{alpha[2, 1] -> (-2*I)*(-1 + z) + eps*(((-16*I)/3)*(-1 + z) + 2*Pi*(-1 + z) + (((2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + G[0, z]*((((2*I)/3)*z*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2))/ (y*(-1 + y + z)) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, y])/y^2) - (((2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1 - y, z])/(y*z) + G[0, y]* ((((2*I)/3)*(-y + y^2 + 3*z - 2*y*z + 2*y^2*z - 6*z^2 + 3*y*z^2 + 3*z^3))/(z*(-1 + y + z)) + (((4*I)/3)*y*(-1 + z)*z*G[0, z])/ (-1 + y + z)^2 - (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, z])/ z^2) + G[1, y]*((((-2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(y*z) + (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, z])/(y^2*z^2)) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, y])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, z])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, z])/ (y^2*z^2)) + eps^2*(((-104*I)/9)*(-1 + z) + (16*Pi*(-1 + z))/3 - (2*Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + ((I/54)*Pi^2*(-1 + z)*(63 - 126*y + 63*y^2 - 126*z + 152*y*z + 63*z^2))/ (-1 + y + z)^2 - (((2*I)/3)*(-y + y^2 + 3*z - 2*y*z + 2*y^2*z - 6*z^2 + 3*y*z^2 + 3*z^3)*G[0, 0, y])/(z*(-1 + y + z)) - (((2*I)/3)*z*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2)*G[0, 0, z])/ (y*(-1 + y + z)) + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1, y] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, z] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 0, y] + G[1 - y, z]* ((((2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) - (((2*I)/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z) + (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)* G[0, 0, y])/z^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, y])/ y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 0, y])/(-1 + y + z)^2) + ((((26*I)/9)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) - (4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2))*G[1, 0, z] + (((2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1, 1, y])/(y*z) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, z]*G[1, 1, y])/(y^2*z^2) + G[0, z]*((((-2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*z*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2))/(3*y*(-1 + y + z)) + (((2*I)/9)*z*(19 - 27*y + 27*y^2 - 38*z + 27*y*z + 19*z^2))/ (y*(-1 + y + z)) + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, y] - (((4*I)/3)*y*(-1 + z)*z*G[0, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, y])/y^2) + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, z] + (((2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1 - y, 1 - y, z])/(y*z) + G[0, y]*((((-2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*(-y + y^2 + 3*z - 2*y*z + 2*y^2*z - 6*z^2 + 3*y*z^2 + 3*z^3))/ (3*z*(-1 + y + z)) + (((2*I)/9)*(-8*y + 8*y^2 + 27*z - 19*y*z + 19*y^2*z - 54*z^2 + 27*y*z^2 + 27*z^3))/(z*(-1 + y + z)) + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, z] + ((2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) - (((2*I)/9)*y*(-1 + y + z)*(5 + 13*z))/z^2)*G[1 - y, z] - (((4*I)/3)*y*(-1 + z)*z*G[0, 0, z])/(-1 + y + z)^2 - (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 1 - y, z])/z^2 + (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, z])/z^2) + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[-y, 1 - y, z] + G[1, y]*((((2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) - (((2*I)/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z) + (((2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)*G[1 - y, z])/(y*z) + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[-y, z] + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, z])/ y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, -y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, z])/(y^2*z^2)) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1, y])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, z])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 0, y])/ (-1 + y + z)^2 - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, y])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, -y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 0, y])/ (-1 + y + z)^2 - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2)) + eps^3*(((-640*I)/27)*(-1 + z) + (104*Pi*(-1 + z))/9 - (((14*I)/135)*Pi^4*y*(-1 + z)*z)/(-1 + y + z)^2 - (Pi^3*(-1 + z)*(27 - 54*y + 27*y^2 - 54*z + 80*y*z + 27*z^2))/ (54*(-1 + y + z)^2) + (((4*I)/81)*Pi^2*(-1 + z)*(63 - 126*y + 63*y^2 - 126*z + 146*y*z + 63*z^2))/(-1 + y + z)^2 + ((((160*I)/27)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) - (26*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(9*y^2*(-1 + y + z)^2) - (((7*I)/9)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2))*G[1, 0, z] - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[0, -y, z]* G[1, 1, y])/(y^2*z^2) + G[0, 0, z]*((((2*I)/9)*Pi^2*y*(-1 + z)*z)/ (-1 + y + z)^2 + (2*Pi*z*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2))/ (3*y*(-1 + y + z)) - (((2*I)/9)*z*(19 - 27*y + 27*y^2 - 38*z + 27*y*z + 19*z^2))/(y*(-1 + y + z)) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, y])/y^2) + G[0, 1 - y, z]*((((-160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 + (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) + ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2) + (((4*I)/3)*y*(-1 + z)*z*G[1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, y])/y^2) + ((((-160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 + (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) + ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[1 - y, 0, z] + ((((2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) + (((2*I)/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z))*G[1 - y, 1 - y, z] + G[1, 0, y]*((((-160*I)/27)*y*(-1 + z)*z)/(-1 + y + z)^2 + (26*Pi*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + (((5*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 0, z])/(-1 + y + z)^2 - (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 1 - y, z])/(-1 + y + z)^2) + G[0, 1, y]*((((160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 - (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) - ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 9*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, z])/y^2) + G[0, 0, y]*((((2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*(-y + y^2 + 3*z - 2*y*z + 2*y^2*z - 6*z^2 + 3*y*z^2 + 3*z^3))/ (3*z*(-1 + y + z)) - (((2*I)/9)*(-8*y + 8*y^2 + 27*z - 19*y*z + 19*y^2*z - 54*z^2 + 27*y*z^2 + 27*z^3))/(z*(-1 + y + z)) + (((4*I)/3)*y*(-1 + z)*z*G[0, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 1 - y, z])/z^2 - (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 0, z])/(-1 + y + z)^2 - (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, z])/z^2) + ((((-7*I)/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) - (2*Pi*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (9*y^2*z^2) + (((8*I)/27)*(-1 + y + z)*(7*y^3 + 20*y^3*z - 20*z^3 + 20*z^4))/(y^2*z^2))*G[-y, 1 - y, z] + G[1, 1, y]*((((2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) + (((2*I)/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, z])/(y^2*z^2)) + (((2*I)/3)*(-y + y^2 + 3*z - 2*y*z + 2*y^2*z - 6*z^2 + 3*y*z^2 + 3*z^3)* G[0, 0, 0, y])/(z*(-1 + y + z)) + (((2*I)/3)*z*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2)*G[0, 0, 0, z])/ (y*(-1 + y + z)) + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, 1, y] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, 1 - y, z] + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, 1, 0, y] + ((((-26*I)/9)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) + (4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2))*G[0, 1, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1, 1, y] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, 0, z] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, 1 - y, z] + ((((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z + 13*z^3 - 13*z^4))/ (y^2*z^2) - (2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (3*y^2*z^2))*G[0, -y, 1 - y, z] + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 0, 0, y] + ((((-26*I)/9)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) + (4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2))*G[1, 0, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, 0, 1, y] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 1, 0, y] + G[1 - y, z]*((-2*Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + (2*Pi*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(9*y*z) - (((2*I)/27)*(-52*y + 52*y^2 + 137*z - 33*y*z + 137*y^2*z - 274*z^2 + 85*y*z^2 + 137*z^3))/(y*z) + ((I/54)*Pi^2*(-21*y + 63*y^2 - 63*y^3 + 21*y^4 + 42*z - 42*y*z - 42*y^3*z + 42*y^4*z - 168*z^2 + 252*y*z^2 - 215*y^2*z^2 + 105*y^3*z^2 + 252*z^3 - 294*y*z^3 + 152*y^2*z^3 - 168*z^4 + 105*y*z^4 + 42*z^5))/(y*z*(-1 + y + z)^2) + ((-2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) + (((2*I)/9)*y*(-1 + y + z)*(5 + 13*z))/z^2)*G[0, 0, y] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1, y] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 0, y] - (((2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1, 1, y])/(y*z) - (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)* G[0, 0, 0, y])/z^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 0, y])/ (-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, y])/ y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 0, y])/(-1 + y + z)^2) - (((2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1, 1, 1, y])/(y*z) + G[0, z]*((2*Pi^3*y*(-1 + z)*z)/ (9*(-1 + y + z)^2) - (2*Pi*z*(19 - 27*y + 27*y^2 - 38*z + 27*y*z + 19*z^2))/(9*y*(-1 + y + z)) + (((2*I)/27)*z*(137 - 189*y + 189*y^2 - 274*z + 189*y*z + 137*z^2))/ (y*(-1 + y + z)) - ((I/54)*Pi^2*z*(-42 + 105*y - 152*y^2 + 63*y^3 + 126*z - 210*y*z + 152*y^2*z - 126*z^2 + 105*y*z^2 + 42*z^3))/ (y*(-1 + y + z)^2) + ((((-160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 + (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) + ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[1, y] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2))*G[0, 0, y] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1, y] + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 0, y] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, 1, y] + (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, y])/y^2) + G[-y, z]*(((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (3*y^2*z^2) - (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/(y^2*z^2))*G[1, 1, y] + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 1, 1, y])/ (y^2*z^2)) + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, 0, z] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, 1 - y, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/ (y^2*(-1 + y + z)^2) + (4*Pi*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2))/(3*y^2*(-1 + y + z)^2))* G[1 - y, 1, 0, z] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 1 - y, 0, z] - (((2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1 - y, 1 - y, 1 - y, z])/(y*z) + G[0, y]*((2*Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) - (2*Pi*(-8*y + 8*y^2 + 27*z - 19*y*z + 19*y^2*z - 54*z^2 + 27*y*z^2 + 27*z^3))/(9*z*(-1 + y + z)) + (((2*I)/27)*(-52*y + 52*y^2 + 189*z - 137*y*z + 137*y^2*z - 378*z^2 + 189*y*z^2 + 189*z^3))/(z*(-1 + y + z)) - ((I/54)*Pi^2*(21*y - 42*y^2 + 21*y^3 - 63*z + 84*y*z - 63*y^2*z + 42*y^3*z + 189*z^2 - 257*y*z^2 + 105*y^2*z^2 - 189*z^3 + 152*y*z^3 + 63*z^4))/(z*(-1 + y + z)^2) + ((((160*I)/27)*y*(-1 + z)*z)/(-1 + y + z)^2 - (26*Pi*y*(-1 + z)*z)/ (9*(-1 + y + z)^2) - (((5*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2)* G[0, z] + ((2*Pi*y*(-1 + y + z)*(5 + 13*z))/(9*z^2) - (((8*I)/27)*y*(-1 + y + z)*(7 + 20*z))/z^2 + ((I/18)*Pi^2*y*(-7 + 21*y - 21*y^2 + 7*y^3 + 7*z - 21*y^2*z + 14*y^3*z + 21*z^2 - 63*y*z^2 + 42*y^2*z^2 - 31*z^3 + 42*y*z^3 + 10*z^4))/(z^2*(-1 + y + z)^2))*G[1 - y, z] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, 0, z] + ((2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) - (((2*I)/9)*y*(-1 + y + z)*(5 + 13*z))/z^2)*G[0, 1 - y, z] + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1 - y, 0, z] + ((-2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) + (((2*I)/9)*y*(-1 + y + z)*(5 + 13*z))/z^2)*G[1 - y, 1 - y, z] + (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 0, z])/(-1 + y + z)^2 - (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, 1 - y, z])/z^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 1 - y, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 1 - y, 1 - y, z])/z^2 - (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 0, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 0, 1 - y, z])/z^2 + (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 1 - y, 0, z])/(-1 + y + z)^2 - (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, 1 - y, z])/z^2) + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[1 - y, -y, 1 - y, z] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[-y, 1 - y, 1 - y, z] + G[1, y]*((-2*Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + (2*Pi*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(9*y*z) - (((2*I)/27)*(-52*y + 52*y^2 + 137*z - 33*y*z + 137*y^2*z - 274*z^2 + 85*y*z^2 + 137*z^3))/(y*z) + ((I/54)*Pi^2*(-21*y + 63*y^2 - 63*y^3 + 21*y^4 + 42*z - 42*y*z - 42*y^3*z + 42*y^4*z - 168*z^2 + 252*y*z^2 - 215*y^2*z^2 + 105*y^3*z^2 + 252*z^3 - 294*y*z^3 + 152*y^2*z^3 - 168*z^4 + 105*y*z^4 + 42*z^5))/(y*z*(-1 + y + z)^2) + ((((2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) + (((2*I)/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z))*G[1 - y, z] + ((((-7*I)/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) - (2*Pi*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/(9*y^2*z^2) + (((8*I)/27)*(-1 + y + z)* (7*y^3 + 20*y^3*z - 20*z^3 + 20*z^4))/(y^2*z^2))*G[-y, z] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, z] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, z] + ((((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z + 13*z^3 - 13*z^4))/ (y^2*z^2) - (2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (3*y^2*z^2))*G[0, -y, z] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/ y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, z] - (((2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1 - y, 1 - y, z])/(y*z) + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[1 - y, -y, z] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[-y, 1 - y, z] - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 0, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 0, -y, z])/(y^2*z^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, 1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[0, -y, 1 - y, z])/(y^2*z^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[1 - y, 0, -y, z])/(y^2*z^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 0, z])/y^2 + (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, 1 - y, -y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2)) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 1, y])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 1 - y, z])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, 1, y])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 0, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 0, -y, 1 - y, z])/(y^2*z^2) - (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, 1, y])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 0, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 1 - y, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[0, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 0, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, -y, 1 - y, 1 - y, z])/(y^2*z^2) - (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 0, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 1 - y, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1 - y, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 0, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1 - y, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 0, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 1 - y, z])/y^2 + (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1 - y, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1 - y, 0, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + ((14*I)/3)*(-1 + z)* Zeta[3]) + eps^4*(((-3872*I)/81)*(-1 + z) + (640*Pi*(-1 + z))/27 + (4*Pi^5*y*(-1 + z)*z)/(135*(-1 + y + z)^2) - (4*Pi^3*(-1 + z)*(27 - 54*y + 27*y^2 - 54*z + 74*y*z + 27*z^2))/ (81*(-1 + y + z)^2) - ((I/6480)*Pi^4*(-1 + z)*(657 - 1314*y + 657*y^2 - 1314*z + 2770*y*z + 657*z^2))/(-1 + y + z)^2 + (((2*I)/243)*Pi^2*(-1 + z)*(819 - 1638*y + 819*y^2 - 1638*z + 1880*y*z + 819*z^2))/(-1 + y + z)^2 + ((((-2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*(-y + y^2 + 3*z - 2*y*z + 2*y^2*z - 6*z^2 + 3*y*z^2 + 3*z^3))/ (3*z*(-1 + y + z)) + (((2*I)/9)*(-8*y + 8*y^2 + 27*z - 19*y*z + 19*y^2*z - 54*z^2 + 27*y*z^2 + 27*z^3))/(z*(-1 + y + z)))* G[0, 0, 0, y] + ((((-2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*z*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2))/(3*y*(-1 + y + z)) + (((2*I)/9)*z*(19 - 27*y + 27*y^2 - 38*z + 27*y*z + 19*z^2))/ (y*(-1 + y + z)))*G[0, 0, 0, z] + ((((160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 - (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) - ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[0, 0, 1, y] + ((((160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 - (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) - ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[0, 0, 1 - y, z] + ((((160*I)/27)*y*(-1 + z)*z)/(-1 + y + z)^2 - (26*Pi*y*(-1 + z)*z)/(9*(-1 + y + z)^2) - (((5*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2)*G[0, 1, 0, y] + ((((-160*I)/27)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) + (26*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(9*y^2*(-1 + y + z)^2) + (((7*I)/9)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2))*G[0, 1, 0, z] + ((((-160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 + (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) + ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[0, 1, 1, y] + ((((160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 - (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) - ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[0, 1 - y, 0, z] + ((((160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 - (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) - ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 9*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[0, 1 - y, 1 - y, z] + ((((8*I)/27)*(-1 + y + z)*(7*y^3 + 20*y^3*z + 20*z^3 - 20*z^4))/ (y^2*z^2) - (2*Pi*(-1 + y + z)*(5*y^3 + 13*y^3*z + 13*z^3 - 13*z^4))/ (9*y^2*z^2) - (((7*I)/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/(y^2*z^2))*G[0, -y, 1 - y, z] + ((((160*I)/27)*y*(-1 + z)*z)/(-1 + y + z)^2 - (26*Pi*y*(-1 + z)*z)/ (9*(-1 + y + z)^2) - (((5*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2)* G[1, 0, 0, y] + ((((-160*I)/27)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(y^2*(-1 + y + z)^2) + (26*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (9*y^2*(-1 + y + z)^2) + (((7*I)/9)*Pi^2*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(y^2*(-1 + y + z)^2))* G[1, 0, 0, z] + ((((-160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 + (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) + ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[1, 0, 1, y] + ((((-160*I)/27)*y*(-1 + z)*z)/(-1 + y + z)^2 + (26*Pi*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + (((5*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2)*G[1, 1, 0, y] + G[1 - y, 1 - y, z]*((-2*Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) - (2*Pi*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(9*y*z) + (((2*I)/27)*(-52*y + 52*y^2 + 137*z - 33*y*z + 137*y^2*z - 274*z^2 + 85*y*z^2 + 137*z^3))/(y*z) - ((I/54)*Pi^2*(-21*y + 63*y^2 - 63*y^3 + 21*y^4 + 42*z - 42*y*z - 42*y^3*z + 42*y^4*z - 168*z^2 + 252*y*z^2 - 163*y^2*z^2 + 105*y^3*z^2 + 252*z^3 - 294*y*z^3 + 100*y^2*z^3 - 168*z^4 + 105*y*z^4 + 42*z^5))/(y*z*(-1 + y + z)^2) + (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, 0, y])/z^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 0, y])/(-1 + y + z)^2) + ((((2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) - (((2*I)/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z))*G[1, 1, 1, y] - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, z]* G[1, 1, 1, y])/(y^2*z^2) + G[0, 0, z]* ((-2*Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + (2*Pi*z*(19 - 27*y + 27*y^2 - 38*z + 27*y*z + 19*z^2))/ (9*y*(-1 + y + z)) - (((2*I)/27)*z*(137 - 189*y + 189*y^2 - 274*z + 189*y*z + 137*z^2))/(y*(-1 + y + z)) + ((I/54)*Pi^2*z*(-42 + 105*y - 152*y^2 + 63*y^3 + 126*z - 210*y*z + 152*y^2*z - 126*z^2 + 105*y*z^2 + 42*z^3))/(y*(-1 + y + z)^2) + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1, y] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 0, y] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, 1, y] - (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, y])/y^2) + G[0, -y, z]*(((((-2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z + 13*z^3 - 13*z^4))/(y^2*z^2) + (2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/(3*y^2*z^2))*G[1, 1, y] + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1, 1, 1, y])/ (y^2*z^2)) + ((((160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 - (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) - ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[1 - y, 0, 0, z] + ((((160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 - (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) - ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 9*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[1 - y, 0, 1 - y, z] + ((((-160*I)/27)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/(y^2*(-1 + y + z)^2) + (26*Pi*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2))/(9*y^2*(-1 + y + z)^2) + (((7*I)/9)*Pi^2*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/(y^2*(-1 + y + z)^2))*G[1 - y, 1, 0, z] + ((((160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 - (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) - ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 9*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[1 - y, 1 - y, 0, z] + ((((2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) - (((2*I)/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z))*G[1 - y, 1 - y, 1 - y, z] + G[0, 0, y]*((-2*Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + (2*Pi*(-8*y + 8*y^2 + 27*z - 19*y*z + 19*y^2*z - 54*z^2 + 27*y*z^2 + 27*z^3))/(9*z*(-1 + y + z)) - (((2*I)/27)*(-52*y + 52*y^2 + 189*z - 137*y*z + 137*y^2*z - 378*z^2 + 189*y*z^2 + 189*z^3))/(z*(-1 + y + z)) + ((I/54)*Pi^2*(21*y - 42*y^2 + 21*y^3 - 63*z + 84*y*z - 63*y^2*z + 42*y^3*z + 189*z^2 - 257*y*z^2 + 105*y^2*z^2 - 189*z^3 + 152*y*z^3 + 63*z^4))/(z*(-1 + y + z)^2) + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, 0, z] + ((-2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) + (((2*I)/9)*y*(-1 + y + z)*(5 + 13*z))/z^2)*G[0, 1 - y, z] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1 - y, 0, z] + ((2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) - (((2*I)/9)*y*(-1 + y + z)*(5 + 13*z))/z^2)*G[1 - y, 1 - y, z] - (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, 1 - y, z])/z^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 1 - y, 0, z])/(-1 + y + z)^2 - (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 1 - y, 1 - y, z])/z^2 + (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 0, 0, z])/(-1 + y + z)^2 - (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 0, 1 - y, z])/z^2 - (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 1 - y, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, 1 - y, z])/z^2) + ((((7*I)/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) + (2*Pi*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (9*y^2*z^2) - (((8*I)/27)*(-1 + y + z)*(7*y^3 + 20*y^3*z - 20*z^3 + 20*z^4))/(y^2*z^2))*G[1 - y, -y, 1 - y, z] + ((((7*I)/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) + (2*Pi*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (9*y^2*z^2) - (((8*I)/27)*(-1 + y + z)*(7*y^3 + 20*y^3*z - 20*z^3 + 20*z^4))/(y^2*z^2))*G[-y, 1 - y, 1 - y, z] + G[1, 1, y]*((-2*Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) - (2*Pi*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(9*y*z) + (((2*I)/27)*(-52*y + 52*y^2 + 137*z - 33*y*z + 137*y^2*z - 274*z^2 + 85*y*z^2 + 137*z^3))/(y*z) - ((I/54)*Pi^2*(-21*y + 63*y^2 - 63*y^3 + 21*y^4 + 42*z - 42*y*z - 42*y^3*z + 42*y^4*z - 168*z^2 + 252*y*z^2 - 163*y^2*z^2 + 105*y^3*z^2 + 252*z^3 - 294*y*z^3 + 100*y^2*z^3 - 168*z^4 + 105*y*z^4 + 42*z^5))/(y*z*(-1 + y + z)^2) + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, z] + (((2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1 - y, 1 - y, z])/(y*z) + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[1 - y, -y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[-y, 1 - y, z] + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 0, -y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, 1 - y, -y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[0, -y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[1 - y, 0, -y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 0, z])/y^2 - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, 1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2)) - (((2*I)/3)*(-y + y^2 + 3*z - 2*y*z + 2*y^2*z - 6*z^2 + 3*y*z^2 + 3*z^3)* G[0, 0, 0, 0, y])/(z*(-1 + y + z)) - (((2*I)/3)*z*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2)*G[0, 0, 0, 0, z])/ (y*(-1 + y + z)) + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, 0, 1, y] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, 0, 1 - y, z] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, 0, 1, 0, y] + ((((26*I)/9)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) - (4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2))*G[0, 0, 1, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, 1, 1, y] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, 1 - y, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, 1 - y, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[0, 0, -y, 1 - y, z] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, 1, 0, 0, y] + ((((26*I)/9)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) - (4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2))*G[0, 1, 0, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1, 0, 1, y] + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, 1, 1, 0, y] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1, 1, 1, y] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, 0, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, 0, 1 - y, z] + ((((26*I)/9)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/ (y^2*(-1 + y + z)^2) - (4*Pi*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2))/(3*y^2*(-1 + y + z)^2))* G[0, 1 - y, 1, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, 1 - y, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, 1 - y, 1 - y, z] + ((((-2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z + 13*z^3 - 13*z^4))/ (y^2*z^2) + (2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (3*y^2*z^2))*G[0, 1 - y, -y, 1 - y, z] + ((((-2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z + 13*z^3 - 13*z^4))/ (y^2*z^2) + (2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (3*y^2*z^2))*G[0, -y, 1 - y, 1 - y, z] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 0, 0, 0, y] + ((((26*I)/9)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) - (4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2))*G[1, 0, 0, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, 0, 0, 1, y] + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 0, 1, 0, y] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, 0, 1, 1, y] + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 1, 0, 0, y] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, 1, 0, 1, y] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 1, 1, 0, y] + (((2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1, 1, 1, 1, y])/(y*z) + G[-y, z]* (((((7*I)/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) + (2*Pi*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/(9*y^2*z^2) - (((8*I)/27)*(-1 + y + z)* (7*y^3 + 20*y^3*z - 20*z^3 + 20*z^4))/(y^2*z^2))*G[1, 1, y] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[1, 1, 1, y] - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 1, 1, 1, y])/(y^2*z^2)) + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, 0, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, 0, 1 - y, z] + ((((26*I)/9)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/ (y^2*(-1 + y + z)^2) - (4*Pi*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2))/(3*y^2*(-1 + y + z)^2))* G[1 - y, 0, 1, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, 1 - y, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, 1 - y, 1 - y, z] + ((((-2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z + 13*z^3 - 13*z^4))/ (y^2*z^2) + (2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (3*y^2*z^2))*G[1 - y, 0, -y, 1 - y, z] + ((((26*I)/9)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/ (y^2*(-1 + y + z)^2) - (4*Pi*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2))/(3*y^2*(-1 + y + z)^2))* G[1 - y, 1, 0, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 1 - y, 0, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 1 - y, 0, 1 - y, z] + ((((26*I)/9)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) - (4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2))*G[1 - y, 1 - y, 1, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 1 - y, 1 - y, 0, z] + (((2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1 - y, 1 - y, 1 - y, 1 - y, z])/(y*z) + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[1 - y, 1 - y, -y, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[1 - y, -y, 1 - y, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[-y, 1 - y, 1 - y, 1 - y, z] + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 0, 1, y])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 0, 1 - y, z])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 0, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 1, 1, y])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 1 - y, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 1 - y, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, 0, 0, -y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 1, 0, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 0, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 1, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, 1, 1, y])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 0, 1 - y, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[0, 0, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 1 - y, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 1 - y, 1 - y, z])/ y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 0, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 0, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 0, 0, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 0, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, 1, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 1, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 1, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, 1, 1, y])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 0, 1 - y, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[0, 1 - y, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 1 - y, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 1 - y, 1 - y, z])/ y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 1 - y, 0, -y, 1 - y, z])/(y^2*z^2) - (((4*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[0, 1 - y, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 0, 1 - y, z])/ y^2 - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1 - y, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 1 - y, 0, z])/ y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 1 - y, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[0, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, -y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 0, 0, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 0, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 0, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 0, 1, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 1, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 1, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, 1, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 0, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 0, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, 1, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 1, 0, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 1, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 0, 1 - y, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1 - y, 0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 1 - y, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 1 - y, 1 - y, z])/ y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, 0, 0, -y, 1 - y, z])/(y^2*z^2) - (((4*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1 - y, 0, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 0, 1 - y, z])/ y^2 - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1 - y, 0, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 1 - y, 0, z])/ y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 1 - y, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1 - y, 0, 1 - y, -y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[1 - y, 0, -y, 1 - y, 1 - y, z])/(y^2*z^2) - (((4*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1 - y, 1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 0, 1 - y, z])/ y^2 - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1 - y, 1 - y, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 1 - y, 0, z])/ y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 1 - y, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1 - y, 1 - y, 0, -y, 1 - y, z])/(y^2*z^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1 - y, 1 - y, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1 - y, 0, 0, z])/ y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1 - y, 0, 1 - y, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2)*G[1 - y, 1 - y, 1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 1 - y, 1 - y, 0, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + (((112*I)/9)*(-1 + z) - (14*Pi*(-1 + z))/3 - (((14*I)/27)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2)*Zeta[3] + G[1, 0, y]*((((-968*I)/81)*y*(-1 + z)*z)/(-1 + y + z)^2 + (160*Pi*y*(-1 + z)*z)/(27*(-1 + y + z)^2) + (((65*I)/54)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1 - y, 0, z] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1 - y, 1 - y, z] + (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 0, z])/(-1 + y + z)^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 1 - y, z])/(-1 + y + z)^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 1 - y, 0, z])/(-1 + y + z)^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 1 - y, 1 - y, z])/(-1 + y + z)^2 - (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 0, 0, z])/(-1 + y + z)^2 + (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 0, 1 - y, z])/(-1 + y + z)^2 + (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 1 - y, 0, z])/(-1 + y + z)^2 - (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 1 - y, 1 - y, z])/(-1 + y + z)^2 + (((28*I)/9)*y*(-1 + z)*z*Zeta[3])/(-1 + y + z)^2) + G[0, 1, y]*((((968*I)/81)*(-1 + z)*z*(-1 + y + z))/y^2 - (160*Pi*(-1 + z)*z*(-1 + y + z))/(27*y^2) + (Pi^3*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 5*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3))/(9*y^2*(-1 + y + z)^2) - (((13*I)/54)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 9*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/ (y^2*(-1 + y + z)^2) + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, z] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, z] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 1 - y, z] - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, z])/y^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1 - y, z])/y^2 - (((28*I)/9)*(-1 + z)*z*(-1 + y + z)*Zeta[3])/y^2) + G[1 - y, 0, z]*((((-968*I)/81)*(-1 + z)*z*(-1 + y + z))/y^2 + (160*Pi*(-1 + z)*z*(-1 + y + z))/(27*y^2) - (Pi^3*(-1 + z)*z*(-3 + 9*y - 9*y^2 + y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3))/(9*y^2*(-1 + y + z)^2) + (((13*I)/54)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/ (y^2*(-1 + y + z)^2) + (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 0, y])/ (-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, y])/ y^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, y])/y^2 + (((28*I)/9)*(-1 + z)*z*(-1 + y + z)*Zeta[3])/y^2) + G[0, 1 - y, z]*((((-968*I)/81)*(-1 + z)*z*(-1 + y + z))/y^2 + (160*Pi*(-1 + z)*z*(-1 + y + z))/(27*y^2) - (Pi^3*(-1 + z)*z*(-3 + 9*y - 9*y^2 + y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3))/(9*y^2*(-1 + y + z)^2) + (((13*I)/54)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/ (y^2*(-1 + y + z)^2) + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2))*G[1, 0, y] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, 1, y] - (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, 0, y])/z^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, y])/y^2 + (((28*I)/9)*(-1 + z)*z*(-1 + y + z)*Zeta[3])/y^2) + G[1, 0, z]*((((968*I)/81)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(y^2*(-1 + y + z)^2) - (160*Pi*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(27*y^2*(-1 + y + z)^2) - (((91*I)/54)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) + (Pi^3*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2) - (((28*I)/9)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1 - y, z]* ((((-14*I)/135)*Pi^4*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*(-52*y + 52*y^2 + 137*z - 33*y*z + 137*y^2*z - 274*z^2 + 85*y*z^2 + 137*z^3))/(27*y*z) - (((10*I)/81)*(-64*y + 64*y^2 + 179*z - 51*y*z + 179*y^2*z - 358*z^2 + 115*y*z^2 + 179*z^3))/(y*z) - (Pi^3*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 + 18*z - 18*y*z - 18*y^3*z + 18*y^4*z - 72*z^2 + 108*y*z^2 - 107*y^2*z^2 + 45*y^3*z^2 + 108*z^3 - 126*y*z^3 + 80*y^2*z^3 - 72*z^4 + 45*y*z^4 + 18*z^5))/ (54*y*z*(-1 + y + z)^2) + ((I/162)*Pi^2*(-168*y + 504*y^2 - 504*y^3 + 168*y^4 + 399*z - 525*y*z + 252*y^2*z - 525*y^3*z + 399*y^4*z - 1596*z^2 + 2583*y*z^2 - 2176*y^2*z^2 + 1029*y^3*z^2 + 2394*z^3 - 2919*y*z^3 + 1420*y^2*z^3 - 1596*z^4 + 1029*y*z^4 + 399*z^5))/ (y*z*(-1 + y + z)^2) + ((-2*Pi*y*(-1 + y + z)*(5 + 13*z))/(9*z^2) + (((8*I)/27)*y*(-1 + y + z)*(7 + 20*z))/z^2 - ((I/18)*Pi^2*y*(-7 + 21*y - 21*y^2 + 7*y^3 + 7*z - 21*y^2*z + 14*y^3*z + 21*z^2 - 63*y*z^2 + 42*y^2*z^2 - 31*z^3 + 42*y*z^3 + 10*z^4))/(z^2*(-1 + y + z)^2))*G[0, 0, y] + ((((-160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 + (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) + ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[0, 1, y] + ((((-160*I)/27)*y*(-1 + z)*z)/(-1 + y + z)^2 + (26*Pi*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + (((5*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2)*G[1, 0, y] + ((((2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) - (((2*I)/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z))*G[1, 1, y] + ((2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) - (((2*I)/9)*y*(-1 + y + z)*(5 + 13*z))/z^2)*G[0, 0, 0, y] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, 1, y] + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, 1, 0, y] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1, 1, y] + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 0, 0, y] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, 0, 1, y] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 1, 0, y] + (((2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1, 1, 1, y])/(y*z) + (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)* G[0, 0, 0, 0, y])/z^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 1, 0, y])/ (-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, 1, y])/ y^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 0, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 1, 0, y])/(-1 + y + z)^2 + (((14*I)/9)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* Zeta[3])/(y*z)) + G[-y, 1 - y, z]* ((Pi^3*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(6*y^2*z^2) - (((7*I)/54)*Pi^2*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2) - (8*Pi*(-1 + y + z)*(7*y^3 + 20*y^3*z - 20*z^3 + 20*z^4))/ (27*y^2*z^2) + (((8*I)/81)*(-1 + y + z)*(41*y^3 + 121*y^3*z - 121*z^3 + 121*z^4))/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 1, 1, y])/(y^2*z^2) - (((14*I)/9)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*Zeta[3])/ (y^2*z^2)) + G[0, z]*((((14*I)/135)*Pi^4*y*(-1 + z)*z)/ (-1 + y + z)^2 - (2*Pi*z*(137 - 189*y + 189*y^2 - 274*z + 189*y*z + 137*z^2))/(27*y*(-1 + y + z)) + (((10*I)/81)*z*(179 - 243*y + 243*y^2 - 358*z + 243*y*z + 179*z^2))/ (y*(-1 + y + z)) + (Pi^3*z*(-18 + 45*y - 80*y^2 + 27*y^3 + 54*z - 90*y*z + 80*y^2*z - 54*z^2 + 45*y*z^2 + 18*z^3))/ (54*y*(-1 + y + z)^2) - ((I/162)*Pi^2*z*(-399 + 966*y - 1294*y^2 + 567*y^3 + 1197*z - 1932*y*z + 1294*y^2*z - 1197*z^2 + 966*y*z^2 + 399*z^3))/(y*(-1 + y + z)^2) + ((((-160*I)/27)*y*(-1 + z)*z)/(-1 + y + z)^2 + (26*Pi*y*(-1 + z)*z)/ (9*(-1 + y + z)^2) + (((5*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2)* G[0, 0, y] + ((((-160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 + (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) + ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 9*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[0, 1, y] + ((((160*I)/27)*y*(-1 + z)*z)/(-1 + y + z)^2 - (26*Pi*y*(-1 + z)*z)/(9*(-1 + y + z)^2) - (((5*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2)*G[1, 0, y] + ((((160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 - (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) - ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 9*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[1, 1, y] + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2))*G[0, 0, 0, y] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, 1, y] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, 1, 0, y] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1, 1, y] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 0, 0, y] + ((((26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, 0, 1, y] + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 1, 0, y] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, 1, 1, y] - (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 0, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 1, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 0, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 0, 1, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, 1, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 0, 0, y])/(-1 + y + z)^2 - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, 1, y])/y^2 + (((4*I)/3)*y*(-1 + z)*z*G[1, 1, 1, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, 1, y])/y^2 - (((14*I)/9)*z*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2)*Zeta[3])/ (y*(-1 + y + z)) + G[1, y]*((((-968*I)/81)*(-1 + z)*z*(-1 + y + z))/ y^2 + (160*Pi*(-1 + z)*z*(-1 + y + z))/(27*y^2) - (Pi^3*(-1 + z)*z*(-3 + 9*y - 9*y^2 + y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3))/(9*y^2*(-1 + y + z)^2) + (((13*I)/54)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/ (y^2*(-1 + y + z)^2) + (((28*I)/9)*(-1 + z)*z*(-1 + y + z)*Zeta[3])/ y^2)) + G[0, y]*((((14*I)/135)*Pi^4*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*(-52*y + 52*y^2 + 189*z - 137*y*z + 137*y^2*z - 378*z^2 + 189*y*z^2 + 189*z^3))/(27*z*(-1 + y + z)) + (((10*I)/81)*(-64*y + 64*y^2 + 243*z - 179*y*z + 179*y^2*z - 486*z^2 + 243*y*z^2 + 243*z^3))/(z*(-1 + y + z)) + (Pi^3*(9*y - 18*y^2 + 9*y^3 - 27*z + 36*y*z - 27*y^2*z + 18*y^3*z + 81*z^2 - 125*y*z^2 + 45*y^2*z^2 - 81*z^3 + 80*y*z^3 + 27*z^4))/ (54*z*(-1 + y + z)^2) - ((I/162)*Pi^2*(168*y - 336*y^2 + 168*y^3 - 567*z + 798*y*z - 630*y^2*z + 399*y^3*z + 1701*z^2 - 2260*y*z^2 + 966*y^2*z^2 - 1701*z^3 + 1294*y*z^3 + 567*z^4))/ (z*(-1 + y + z)^2) + ((((-160*I)/27)*y*(-1 + z)*z)/(-1 + y + z)^2 + (26*Pi*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + (((5*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2)*G[0, 0, z] + ((2*Pi*y*(-1 + y + z)*(5 + 13*z))/(9*z^2) - (((8*I)/27)*y*(-1 + y + z)*(7 + 20*z))/z^2 + ((I/18)*Pi^2*y*(-7 + 21*y - 21*y^2 + 7*y^3 + 7*z - 21*y^2*z + 14*y^3*z + 21*z^2 - 63*y*z^2 + 42*y^2*z^2 - 39*z^3 + 42*y*z^3 + 18*z^4))/(z^2*(-1 + y + z)^2))*G[0, 1 - y, z] + ((((160*I)/27)*y*(-1 + z)*z)/(-1 + y + z)^2 - (26*Pi*y*(-1 + z)*z)/ (9*(-1 + y + z)^2) - (((5*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2)* G[1 - y, 0, z] + ((-2*Pi*y*(-1 + y + z)*(5 + 13*z))/(9*z^2) + (((8*I)/27)*y*(-1 + y + z)*(7 + 20*z))/z^2 - ((I/18)*Pi^2*y*(-7 + 21*y - 21*y^2 + 7*y^3 + 7*z - 21*y^2*z + 14*y^3*z + 21*z^2 - 63*y*z^2 + 42*y^2*z^2 - 39*z^3 + 42*y*z^3 + 18*z^4))/(z^2*(-1 + y + z)^2))*G[1 - y, 1 - y, z] + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, 0, 0, z] + ((2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) - (((2*I)/9)*y*(-1 + y + z)*(5 + 13*z))/z^2)*G[0, 0, 1 - y, z] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, 1 - y, 0, z] + ((-2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) + (((2*I)/9)*y*(-1 + y + z)*(5 + 13*z))/z^2)*G[0, 1 - y, 1 - y, z] + ((((-26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1 - y, 0, 0, z] + ((-2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) + (((2*I)/9)*y*(-1 + y + z)*(5 + 13*z))/z^2)*G[1 - y, 0, 1 - y, z] + ((((26*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (4*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1 - y, 1 - y, 0, z] + ((2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) - (((2*I)/9)*y*(-1 + y + z)*(5 + 13*z))/z^2)*G[1 - y, 1 - y, 1 - y, z] - (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 0, 0, z])/(-1 + y + z)^2 - (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, 0, 1 - y, z])/z^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 1 - y, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, 1 - y, 1 - y, z])/z^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 1 - y, 0, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 1 - y, 0, 1 - y, z])/z^2 - (((4*I)/3)*y*(-1 + z)*z*G[0, 1 - y, 1 - y, 0, z])/(-1 + y + z)^2 - (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 1 - y, 1 - y, 1 - y, z])/ z^2 + (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 0, 0, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 0, 0, 1 - y, z])/z^2 - (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 0, 1 - y, 0, z])/(-1 + y + z)^2 - (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 0, 1 - y, 1 - y, z])/ z^2 - (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 1 - y, 0, 0, z])/ (-1 + y + z)^2 - (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)* G[1 - y, 1 - y, 0, 1 - y, z])/z^2 + (((4*I)/3)*y*(-1 + z)*z*G[1 - y, 1 - y, 1 - y, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, 1 - y, 1 - y, z])/ z^2 - (((14*I)/9)*(-y + y^2 + 3*z - 2*y*z + 2*y^2*z - 6*z^2 + 3*y*z^2 + 3*z^3)*Zeta[3])/(z*(-1 + y + z)) + G[0, z]*((((968*I)/81)*y*(-1 + z)*z)/(-1 + y + z)^2 - (160*Pi*y*(-1 + z)*z)/(27*(-1 + y + z)^2) - (((65*I)/54)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) - (((28*I)/9)*y*(-1 + z)*z*Zeta[3])/(-1 + y + z)^2) + G[1 - y, z]*((8*Pi*y*(-1 + y + z)*(7 + 20*z))/(27*z^2) - (((8*I)/81)*y*(-1 + y + z)*(41 + 121*z))/z^2 - (Pi^3*y*(-3 + 9*y - 9*y^2 + 3*y^3 + 3*z - 9*y^2*z + 6*y^3*z + 9*z^2 - 27*y*z^2 + 18*y^2*z^2 - 11*z^3 + 18*y*z^3 + 2*z^4))/ (18*z^2*(-1 + y + z)^2) + ((I/54)*Pi^2*y*(-35 + 105*y - 105*y^2 + 35*y^3 + 14*z + 63*y*z - 168*y^2*z + 91*y^3*z + 168*z^2 - 441*y*z^2 + 273*y^2*z^2 - 212*z^3 + 273*y*z^3 + 65*z^4))/ (z^2*(-1 + y + z)^2) + (((14*I)/9)*y*(-1 + y + z)*(1 + 2*z)* Zeta[3])/z^2)) + G[1, y]*((((-14*I)/135)*Pi^4*y*(-1 + z)*z)/ (-1 + y + z)^2 + (2*Pi*(-52*y + 52*y^2 + 137*z - 33*y*z + 137*y^2*z - 274*z^2 + 85*y*z^2 + 137*z^3))/(27*y*z) - (((10*I)/81)*(-64*y + 64*y^2 + 179*z - 51*y*z + 179*y^2*z - 358*z^2 + 115*y*z^2 + 179*z^3))/(y*z) - (Pi^3*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 + 18*z - 18*y*z - 18*y^3*z + 18*y^4*z - 72*z^2 + 108*y*z^2 - 107*y^2*z^2 + 45*y^3*z^2 + 108*z^3 - 126*y*z^3 + 80*y^2*z^3 - 72*z^4 + 45*y*z^4 + 18*z^5))/ (54*y*z*(-1 + y + z)^2) + ((I/162)*Pi^2*(-168*y + 504*y^2 - 504*y^3 + 168*y^4 + 399*z - 525*y*z + 252*y^2*z - 525*y^3*z + 399*y^4*z - 1596*z^2 + 2583*y*z^2 - 2176*y^2*z^2 + 1029*y^3*z^2 + 2394*z^3 - 2919*y*z^3 + 1420*y^2*z^3 - 1596*z^4 + 1029*y*z^4 + 399*z^5))/ (y*z*(-1 + y + z)^2) + ((-2*Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) - (2*Pi*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(9*y*z) + (((2*I)/27)*(-52*y + 52*y^2 + 137*z - 33*y*z + 137*y^2*z - 274*z^2 + 85*y*z^2 + 137*z^3))/(y*z) - ((I/54)*Pi^2*(-21*y + 63*y^2 - 63*y^3 + 21*y^4 + 42*z - 42*y*z - 42*y^3*z + 42*y^4*z - 168*z^2 + 252*y*z^2 - 163*y^2*z^2 + 105*y^3*z^2 + 252*z^3 - 294*y*z^3 + 100*y^2*z^3 - 168*z^4 + 105*y*z^4 + 42*z^5))/(y*z*(-1 + y + z)^2))*G[1 - y, z] + ((((160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 - (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) - ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[0, 0, z] + ((((160*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 - (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) - ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 9*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[0, 1 - y, z] + ((((8*I)/27)*(-1 + y + z)*(7*y^3 + 20*y^3*z + 20*z^3 - 20*z^4))/(y^2*z^2) - (2*Pi*(-1 + y + z)* (5*y^3 + 13*y^3*z + 13*z^3 - 13*z^4))/(9*y^2*z^2) - (((7*I)/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (y^2*z^2))*G[0, -y, z] + ((((160*I)/27)*(-1 + z)*z*(-1 + y + z))/ y^2 - (26*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) - ((I/9)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 9*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(y^2*(-1 + y + z)^2))* G[1 - y, 0, z] + ((((2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) - (((2*I)/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z))*G[1 - y, 1 - y, z] + ((((7*I)/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) + (2*Pi*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/(9*y^2*z^2) - (((8*I)/27)*(-1 + y + z)* (7*y^3 + 20*y^3*z - 20*z^3 + 20*z^4))/(y^2*z^2))*G[1 - y, -y, z] + ((((7*I)/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) + (2*Pi*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/(9*y^2*z^2) - (((8*I)/27)*(-1 + y + z)* (7*y^3 + 20*y^3*z - 20*z^3 + 20*z^4))/(y^2*z^2))*G[-y, 1 - y, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[0, 0, -y, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/ y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, 1 - y, z] + ((((-2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z + 13*z^3 - 13*z^4))/ (y^2*z^2) + (2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (3*y^2*z^2))*G[0, 1 - y, -y, z] + ((((-2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z + 13*z^3 - 13*z^4))/ (y^2*z^2) + (2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (3*y^2*z^2))*G[0, -y, 1 - y, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, 0, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, 1 - y, z] + ((((-2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z + 13*z^3 - 13*z^4))/ (y^2*z^2) + (2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (3*y^2*z^2))*G[1 - y, 0, -y, z] + ((((-26*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 1 - y, 0, z] + (((2*I)/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1 - y, 1 - y, 1 - y, z])/(y*z) + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[1 - y, 1 - y, -y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[1 - y, -y, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + (((2*I)/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[-y, 1 - y, 1 - y, z] + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, 0, 0, -y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 0, 1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 0, -y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 1 - y, 0, -y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, 1 - y, 1 - y, -y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, 1 - y, -y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, 0, 0, -y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[1 - y, 0, 1 - y, -y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[1 - y, 1 - y, 0, -y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1 - y, 0, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, 1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + (((14*I)/9)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* Zeta[3])/(y*z) + G[-y, z]*((Pi^3*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(6*y^2*z^2) - (((7*I)/54)*Pi^2*(-1 + y + z)* (5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/(y^2*z^2) - (8*Pi*(-1 + y + z)*(7*y^3 + 20*y^3*z - 20*z^3 + 20*z^4))/ (27*y^2*z^2) + (((8*I)/81)*(-1 + y + z)*(41*y^3 + 121*y^3*z - 121*z^3 + 121*z^4))/(y^2*z^2) - (((14*I)/9)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*Zeta[3])/(y^2*z^2)))), alpha[2, 2] -> ((3*I)*Nc*(-1 + z))/eps^2 + Nf*(((-8*I)/3)*(-1 + z) + Pi*(-1 + z) + ((I/9)*Pi^2*y*(-1 + z)*z)/ (-1 + y + z)^2 + G[0, z]*(((I/3)*z*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2))/(y*(-1 + y + z)) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1, y])/y^2) - ((I/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)*G[1 - y, z])/(y*z) + G[0, y]*(((I/3)*(-y + y^2 + 3*z - 2*y*z + 2*y^2*z - 6*z^2 + 3*y*z^2 + 3*z^3))/(z*(-1 + y + z)) + (((2*I)/3)*y*(-1 + z)*z*G[0, z])/ (-1 + y + z)^2 - ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, z])/z^2) + G[1, y]*(((-1/3*I)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/ (y*z) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, z])/ (y^2*z^2)) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, y])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, z])/y^2 - (((2*I)/3)*y*(-1 + z)*z*G[1, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, z])/y^2 + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, z])/ (y^2*z^2)) + (((-1/12*I)*Pi^2*z*(1 + y^2 - 2*z + z^2))/(-1 + y + z)^2 + (I*(-2*y + 2*y^2 - z + 2*y*z + z^2))/((-1 + y)*(y + z)) + G[0, z]*((I*z*(1 - y + y^2 - 2*z + y*z + z^2))/(y*(-1 + y + z)) - ((I/2)*z*(2 - 2*y + y^2 - 4*z + 2*y*z + 2*z^2)*G[1, y])/y^2) - (I*(-1 + y + z)*(y^3 - 2*y*z + 2*y^2*z - z^2 + 2*y*z^2 + z^3)* G[1 - y, z])/(y*(y + z)^2) + G[0, y]*((I*y*(-1 + 3*y - 3*y^2 + y^3 + 3*z - 4*y*z + y^2*z - 2*z^2 + y*z^2))/((-1 + y)^2*(-1 + y + z)) - ((I/2)*z*(1 + y^2 - 2*z + z^2)*G[0, z])/(-1 + y + z)^2 - ((I/2)*(1 - 2*y + 2*y^2 - 2*z + 2*y*z + z^2)*G[1 - y, z])/z) + G[1, y]*(((-I)*(-1 + y + z)*(y^3 - 2*y*z + 2*y^2*z - z^2 + 2*y*z^2 + z^3))/(y*(y + z)^2) + ((I/2)*(y^2 - 2*y^3 + 2*y^4 - 2*y^2*z + 2*y^3*z + 2*z^2 - 2*y*z^2 + 2*y^2*z^2 - 4*z^3 + 2*y*z^3 + 2*z^4)* G[-y, z])/(y^2*z)) + ((I/2)*z*(2 - 2*y + y^2 - 4*z + 2*y*z + 2*z^2)* G[0, 1, y])/y^2 - ((I/2)*z*(2 - 2*y + y^2 - 4*z + 2*y*z + 2*z^2)* G[0, 1 - y, z])/y^2 + ((I/2)*z*(1 + y^2 - 2*z + z^2)*G[1, 0, y])/ (-1 + y + z)^2 + (I*z*(1 - 3*y + 4*y^2 - 2*y^3 + y^4 - 4*z + 9*y*z - 8*y^2*z + 2*y^3*z + 6*z^2 - 9*y*z^2 + 4*y^2*z^2 - 4*z^3 + 3*y*z^3 + z^4)*G[1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/2)*z*(2 - 2*y + y^2 - 4*z + 2*y*z + 2*z^2)*G[1 - y, 0, z])/y^2 + ((I/2)*(y^2 - 2*y^3 + 2*y^4 - 2*y^2*z + 2*y^3*z + 2*z^2 - 2*y*z^2 + 2*y^2*z^2 - 4*z^3 + 2*y*z^3 + 2*z^4)*G[-y, 1 - y, z])/(y^2*z))/Nc + ((-I)*Nf*(-1 + z) + Nc*(((27*I)/2)*(-1 + z) - 6*Pi*(-1 + z) - ((I/3)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + G[0, z]*(((-I)*(y - y^2 + 2*z - 5*y*z + 4*y^2*z - 4*z^2 + 4*y*z^2 + 2*z^3))/(y*(-1 + y + z)) + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[1, y])/y^2) + (I*(-y + y^2 + 2*z + y*z + 2*y^2*z - 4*z^2 + 2*z^3)*G[1 - y, z])/(y*z) + G[0, y]* (((-I)*(-y + y^2 + 4*z - 3*y*z + 2*y^2*z - 8*z^2 + 4*y*z^2 + 4*z^3))/ (z*(-1 + y + z)) - ((2*I)*y*(-1 + z)*z*G[0, z])/(-1 + y + z)^2 + (I*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, z])/z^2) + G[1, y]*((I*(-y + y^2 + 2*z + y*z + 2*y^2*z - 4*z^2 + 2*z^3))/(y*z) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, z])/ (y^2*z^2)) - ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1, y])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, z])/y^2 + ((2*I)*y*(-1 + z)*z*G[1, 0, y])/(-1 + y + z)^2 - ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, z])/ (y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, z])/ y^2 - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, z])/(y^2*z^2)))/eps + Nc*((-43*Pi*(-1 + z))/2 + (2*Pi^3*y*(-1 + z)*z)/(3*(-1 + y + z)^2) + (I*(30*y - 30*y^2 + 31*z - 62*y*z + 32*y^2*z - 31*z^2 + 32*y*z^2))/ ((-1 + y)*(y + z)) - ((I/12)*Pi^2*(-76 + 154*y - 78*y^2 + 231*z - 314*y*z + 79*y^2*z - 234*z^2 + 160*y*z^2 + 79*z^3))/(-1 + y + z)^2 + ((I/3)*(-5*y + 5*y^2 + 18*z - 13*y*z + 10*y^2*z - 36*z^2 + 18*y*z^2 + 18*z^3)*G[0, 0, y])/(z*(-1 + y + z)) + ((I/3)*(3*y - 3*y^2 + 10*z - 21*y*z + 18*y^2*z - 20*z^2 + 18*y*z^2 + 10*z^3)*G[0, 0, z])/(y*(-1 + y + z)) + ((4*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/6)*(-2*y^2 + 2*y^3 - 2*y*z + 10*y^2*z - 2*y^3*z + 6*z^2 - 12*y*z^2 - 5*y^2*z^2 + 3*y^3*z^2 - 18*z^3 + 30*y*z^3 - 3*y^2*z^3 + 18*z^4 - 16*y*z^4 - 6*z^5))/(y^2*z*(-1 + y + z)))*G[0, 1, y] + ((-4*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z + 6*z^2 + 8*y*z^2 - 7*y^2*z^2 + 3*y^3*z^2 - 18*z^3 + 14*y*z^3 - 3*y^2*z^3 + 18*z^4 - 12*y*z^4 - 6*z^5))/(y^2*z*(-1 + y + z)))* G[0, 1 - y, z] + ((-4*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 + ((I/6)*(2*y - 4*y^2 + 2*y^3 - 4*z + 4*y*z + 2*y^2*z - 2*y^3*z + 16*z^2 - 15*y*z^2 - 10*y^2*z^2 + 3*y^3*z^2 - 24*z^3 + 10*y*z^3 + 12*y^2*z^3 + 16*z^4 - y*z^4 - 4*z^5))/(y*z*(-1 + y + z)^2))* G[1, 0, y] + G[1 - y, z]*((((-2*I)/9)*Pi^2*y*(-1 + z)*z)/ (-1 + y + z)^2 - (2*Pi*(-y + y^2 + 2*z + y*z + 2*y^2*z - 4*z^2 + 2*z^3))/(y*z) + ((I/6)*(-27*y^3 + 27*y^4 - 30*y^2*z + 106*y^3*z + 18*y^4*z + 9*y*z^2 + 95*y^2*z^2 + 11*y^3*z^2 + 18*z^3 - 20*y*z^3 - 14*y^2*z^3 - 36*z^4 + 11*y*z^4 + 18*z^5))/(y*z*(y + z)^2) - (((5*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, y])/z^2 - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 8*z^3 - 8*z^4)*G[0, 1, y])/ (y^2*z^2) - ((I/3)*y*(-1 + 3*y - 3*y^2 + y^3 + z - 3*y^2*z + 2*y^3*z + 3*z^2 - 9*y*z^2 + 6*y^2*z^2 - z^3 + 6*y*z^3 - 2*z^4)* G[1, 0, y])/(z^2*(-1 + y + z)^2)) + ((4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) + (I*(y - y^2 - z - 2*y^3*z + y^4*z + 4*z^2 - 6*y*z^2 + 3*y^2*z^2 + 2*y^3*z^2 - 6*z^3 + 8*y*z^3 - 2*y^2*z^3 + 4*z^4 - 3*y*z^4 - z^5))/(y^2*(-1 + y + z)^2))*G[1, 0, z] - ((I/3)*(-5*y + 5*y^2 + 10*z + 3*y*z + 10*y^2*z - 20*z^2 + 2*y*z^2 + 10*z^3)*G[1, 1, y])/(y*z) + G[0, z]*((((4*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*(y - y^2 + 2*z - 5*y*z + 4*y^2*z - 4*z^2 + 4*y*z^2 + 2*z^3))/ (y*(-1 + y + z)) - ((I/6)*(16*y - 16*y^2 + 18*z - 77*y*z + 61*y^2*z - 36*z^2 + 61*y*z^2 + 18*z^3))/(y*(-1 + y + z)) + ((-4*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z + 6*z^2 + 8*y*z^2 - 7*y^2*z^2 + 3*y^3*z^2 - 18*z^3 + 14*y*z^3 - 3*y^2*z^3 + 18*z^4 - 12*y*z^4 - 6*z^5))/ (y^2*z*(-1 + y + z)))*G[1, y] + (((10*I)/3)*y*(-1 + z)*z* G[0, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z* (-3 + 9*y - 9*y^2 + 4*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)*G[0, 1, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 4*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3)*G[1, 0, y])/(y^2*(-1 + y + z)^2) - (((10*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, y])/y^2) + G[-y, z]*(((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 1, y])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 0, y])/(y^2*z^2) + (((5*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 1, y])/(y^2*z^2)) + ((-4*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z + 6*z^2 + 8*y*z^2 - 7*y^2*z^2 + 3*y^3*z^2 - 18*z^3 + 14*y*z^3 - 3*y^2*z^3 + 18*z^4 - 12*y*z^4 - 6*z^5))/(y^2*z*(-1 + y + z)))* G[1 - y, 0, z] - ((I/3)*(-5*y + 5*y^2 + 10*z + 3*y*z + 10*y^2*z - 20*z^2 + 2*y*z^2 + 10*z^3)*G[1 - y, 1 - y, z])/(y*z) + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(y^2*z^2) - ((I/2)*(-7*y^3 + 7*y^4 - 3*y^2*z + 5*y^3*z + 2*y^4*z - 2*y*z^2 + 4*y^2*z^2 + 2*y^3*z^2 + 2*z^3 - 2*y^2*z^3 - 4*z^4 + 2*y*z^4 + 2*z^5))/(y^2*z^2))*G[-y, 1 - y, z] + G[0, y]*((((4*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*(-y + y^2 + 4*z - 3*y*z + 2*y^2*z - 8*z^2 + 4*y*z^2 + 4*z^3))/ (z*(-1 + y + z)) - ((I/6)*(-27*y + 81*y^2 - 81*y^3 + 27*y^4 + 67*z - 168*y*z + 153*y^2*z - 70*y^3*z + 18*y^4*z - 134*z^2 + 317*y*z^2 - 244*y^2*z^2 + 61*y^3*z^2 + 67*z^3 - 122*y*z^3 + 61*y^2*z^3))/ ((-1 + y)^2*z*(-1 + y + z)) + ((4*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 + ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 12*y*z + 14*y^2*z - 6*y^3*z + 4*y^4*z - 4*z^2 + 37*y*z^2 - 28*y^2*z^2 + 13*y^3*z^2 + 12*z^3 - 38*y*z^3 + 12*y^2*z^3 - 12*z^4 + 13*y*z^4 + 4*z^5))/ (y*z*(-1 + y + z)^2))*G[0, z] + ((-2*Pi*y*(-1 + y + z)*(1 + 2*z))/z^2 + ((I/6)*(21*y^2 - 42*y^3 + 21*y^4 + 7*y*z - 43*y^2*z + 30*y^3*z + 6*y^4*z + 4*z^2 - 17*y*z^2 + 19*y^2*z^2 + 12*y^3*z^2 - 12*z^3 + 13*y*z^3 + 3*y^2*z^3 + 12*z^4 - 3*y*z^4 - 4*z^5))/ (y*z^2*(-1 + y + z)))*G[1 - y, z] + (((10*I)/3)*y*(-1 + z)*z*G[0, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*(-y + y^2 - z + y*z + z^2)*(y^2 - 2*y^3 + y^4 - y*z + y^2*z - 2*y^3*z + 2*y^4*z + z^2 - 2*y^2*z^2 + 4*y^3*z^2 - 3*z^3 + 3*y*z^3 + 3*z^4 - 2*y*z^4 - z^5)*G[0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 2*z^3 - 6*y*z^3 + 6*y^2*z^3 - 11*y^3*z^3 + 6*y^4*z^3 - 8*z^4 + 18*y*z^4 - 12*y^2*z^4 + 8*y^3*z^4 + 12*z^5 - 18*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7)*G[1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) - (((5*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, z])/z^2 + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, z])/ (y^2*z^2)) + G[1, y]*((((-2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*(-y + y^2 + 2*z + y*z + 2*y^2*z - 4*z^2 + 2*z^3))/(y*z) + ((I/6)*(-27*y^3 + 27*y^4 - 30*y^2*z + 106*y^3*z + 18*y^4*z + 9*y*z^2 + 95*y^2*z^2 + 11*y^3*z^2 + 18*z^3 - 20*y*z^3 - 14*y^2*z^3 - 36*z^4 + 11*y*z^4 + 18*z^5))/(y*z*(y + z)^2) - ((I/3)*(-5*y + 5*y^2 + 10*z + 3*y*z + 10*y^2*z - 20*z^2 + 2*y*z^2 + 10*z^3)*G[1 - y, z])/(y*z) + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(y^2*z^2) - ((I/2)*(-7*y^3 + 7*y^4 - 3*y^2*z + 5*y^3*z + 2*y^4*z - 2*y*z^2 + 4*y^2*z^2 + 2*y^3*z^2 + 2*z^3 - 2*y^2*z^3 - 4*z^4 + 2*y*z^4 + 2*z^5))/(y^2*z^2))*G[-y, z] - (((10*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, z])/y^2 - (((10*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4)*G[0, -y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, z])/(y^2*(-1 + y + z)^2) - (((10*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, z])/y^2 + (((4*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, z])/(y^2*z^2) + (((5*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, z])/(y^2*z^2)) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1, y])/y^2 - (((10*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + z)*z* (1 - 3*y + 3*y^2 + 3*y^3 - 3*z + 6*y*z - 3*y^2*z + 3*z^2 - 3*y*z^2 - z^3)*G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((8*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((10*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, y])/y^2 - (((10*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, z])/y^2 - (((10*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4)* G[0, -y, 1 - y, z])/(y^2*z^2) - (((10*I)/3)*y*(-1 + z)*z* G[1, 0, 0, y])/(-1 + y + z)^2 + (((10*I)/3)*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-4 + 12*y - 12*y^2 + 3*y^3 + 12*z - 24*y*z + 12*y^2*z - 12*z^2 + 12*y*z^2 + 4*z^3)* G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*y*(-1 + z)*z*G[1, 1, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - (((10*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, z])/y^2 - (((10*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (((10*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 0, z])/y^2 + (((4*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 1 - y, z])/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 0, z])/(y^2*z^2) + (((5*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2)) + eps*(Nf*(((-52*I)/9)*(-1 + z) + (8*Pi*(-1 + z))/3 - (Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + ((I/108)*Pi^2*(-1 + z)*(63 - 126*y + 63*y^2 - 126*z + 152*y*z + 63*z^2))/(-1 + y + z)^2 - ((I/3)*(-y + y^2 + 3*z - 2*y*z + 2*y^2*z - 6*z^2 + 3*y*z^2 + 3*z^3)*G[0, 0, y])/(z*(-1 + y + z)) - ((I/3)*z*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2)*G[0, 0, z])/ (y*(-1 + y + z)) + ((((13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1, y] + ((((-13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, z] + ((((-13*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 0, y] + G[1 - y, z]* (((I/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) - ((I/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z) + ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, y])/ z^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, y])/y^2 - (((2*I)/3)*y*(-1 + z)*z*G[1, 0, y])/(-1 + y + z)^2) + ((((13*I)/9)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) - (2*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2))*G[1, 0, z] + ((I/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)*G[1, 1, y])/ (y*z) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, z]* G[1, 1, y])/(y^2*z^2) + G[0, z]*(((-1/9*I)*Pi^2*y*(-1 + z)*z)/ (-1 + y + z)^2 - (Pi*z*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2))/ (3*y*(-1 + y + z)) + ((I/9)*z*(19 - 27*y + 27*y^2 - 38*z + 27*y*z + 19*z^2))/(y*(-1 + y + z)) + ((((-13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, y] - (((2*I)/3)*y*(-1 + z)*z*G[0, 0, y])/(-1 + y + z)^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, y])/y^2 + (((2*I)/3)*y*(-1 + z)*z*G[1, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, y])/y^2) + ((((-13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, z] + ((I/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1 - y, 1 - y, z])/(y*z) + G[0, y]*(((-1/9*I)*Pi^2*y*(-1 + z)*z)/ (-1 + y + z)^2 - (Pi*(-y + y^2 + 3*z - 2*y*z + 2*y^2*z - 6*z^2 + 3*y*z^2 + 3*z^3))/(3*z*(-1 + y + z)) + ((I/9)*(-8*y + 8*y^2 + 27*z - 19*y*z + 19*y^2*z - 54*z^2 + 27*y*z^2 + 27*z^3))/(z*(-1 + y + z)) + ((((13*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, z] + ((Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) - ((I/9)*y*(-1 + y + z)* (5 + 13*z))/z^2)*G[1 - y, z] - (((2*I)/3)*y*(-1 + z)*z* G[0, 0, z])/(-1 + y + z)^2 - ((I/3)*y*(-1 + y + z)*(1 + 2*z)* G[0, 1 - y, z])/z^2 + (((2*I)/3)*y*(-1 + z)*z*G[1 - y, 0, z])/ (-1 + y + z)^2 + ((I/3)*y*(-1 + y + z)*(1 + 2*z)* G[1 - y, 1 - y, z])/z^2) + (-1/3*(Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(y^2*z^2) + ((I/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/(y^2*z^2))* G[-y, 1 - y, z] + G[1, y]*(((I/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) - ((I/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z) + ((I/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)*G[1 - y, z])/(y*z) + (-1/3*(Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(y^2*z^2) + ((I/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[-y, z] + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, z])/y^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, z])/y^2 + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[0, -y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + z)*z* (-1 + y + z)*G[1 - y, 0, z])/y^2 - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, z])/ (y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, z])/(y^2*z^2)) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1, y])/y^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, z])/y^2 + (((2*I)/3)*y*(-1 + z)*z*G[0, 1, 0, y])/ (-1 + y + z)^2 - (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, y])/y^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, z])/y^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, z])/y^2 + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, -y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*y*(-1 + z)*z* G[1, 0, 0, y])/(-1 + y + z)^2 - (((2*I)/3)*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1, 0, 1, y])/y^2 - (((2*I)/3)*y*(-1 + z)*z*G[1, 1, 0, y])/ (-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 0, z])/y^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2)*G[1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 0, z])/y^2 - ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2)) + (((-1/180*I)*Pi^4*y*(-7 + 7*y + 20*z - 13*z^2))/(-1 + y + z)^2 + (Pi^3*z*(1 + y^2 - 2*z + z^2))/(6*(-1 + y + z)^2) + ((5*I)*(-2*y + 2*y^2 - z + 2*y*z + z^2))/((-1 + y)*(y + z)) - (2*Pi*(-2*y + 2*y^2 - z + 2*y*z + z^2))/((-1 + y)*(y + z)) - ((I/36)*Pi^2*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - 4*y^2*z + 12*y^3*z - 8*y^4*z - 4*y^5*z + 4*y^6*z + 5*y*z^2 - 12*y^2*z^2 + 10*y^3*z^2 - 16*y^4*z^2 + 13*y^5*z^2 + 4*z^3 - 27*y*z^3 + 43*y^2*z^3 - 29*y^3*z^3 + 6*y^4*z^3 - 12*z^4 + 43*y*z^4 - 40*y^2*z^4 + 6*y^3*z^4 + 12*z^5 - 25*y*z^5 + 13*y^2*z^5 - 4*z^6 + 4*y*z^6))/ ((-1 + y)*y*z*(-1 + y + z)^2*(y + z)) + G[0, 1 - y, z]* ((Pi*z*(2 - 2*y + y^2 - 4*z + 2*y*z + 2*z^2))/y^2 + ((I/6)*(y^2 - 3*y^3 + 2*y^4 + 2*y*z - 6*y^2*z + y^4*z + 13*z^2 - 41*y*z^2 + 37*y^2*z^2 - 12*y^3*z^2 - 26*z^3 + 52*y*z^3 - 26*y^2*z^3 + 13*z^4 - 13*y*z^4))/((-1 + y)*y^2*(y + z)) + ((I/18)*Pi^2*(-3*y^3 + 3*y^4 - 2*z + 6*y*z - 6*y^2*z + 11*y^3*z + 8*z^2 - 18*y*z^2 + 12*y^2*z^2 - 8*y^3*z^2 - 12*z^3 + 18*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5))/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1, 0, y])/(y^2*(-1 + y + z)^2)) + (((I/9)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) - (2*Pi*z*(1 - 3*y + 4*y^2 - 2*y^3 + y^4 - 4*z + 9*y*z - 8*y^2*z + 2*y^3*z + 6*z^2 - 9*y*z^2 + 4*y^2*z^2 - 4*z^3 + 3*y*z^3 + z^4))/(y^2*(-1 + y + z)^2) + ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 8*y^3*z - 12*y^4*z + 4*y^6*z - 6*y*z^2 + 31*y^2*z^2 - 54*y^3*z^2 + 25*y^4*z^2 + 4*y^6*z^2 - 13*z^3 + 87*y*z^3 - 211*y^2*z^3 + 214*y^3*z^3 - 92*y^4*z^3 + 12*y^5*z^3 + 52*z^4 - 238*y*z^4 + 385*y^2*z^4 - 254*y^3*z^4 + 55*y^4*z^4 - 78*z^5 + 252*y*z^5 - 261*y^2*z^5 + 90*y^3*z^5 + 52*z^6 - 108*y*z^6 + 56*y^2*z^6 - 13*z^7 + 13*y*z^7))/((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)))*G[1, 0, z] + G[0, 0, z]*(((I/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - ((I/3)*z*(8 - 9*y + 9*y^2 - 16*z + 9*y*z + 8*z^2))/ (y*(-1 + y + z)) + (((2*I)/3)*y*(-1 + z)*z*G[0, 1, y])/ (-1 + y + z)^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, y])/ y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, y])/y^2) + G[0, -y, z]*(((-1/3*I)*(-1 + y + z)*(3*y - 2*z + 2*z^2)*G[1, 0, y])/ y^2 + ((I/3)*(-1 + y + z)*(3*y - 4*z + 4*z^2)*G[1, 1, y])/y^2) + (((2*I)/9)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, z])/(y^2*(-1 + y + z)^2) - ((I/6)*Pi^2*(-y + 3*y^2 - 4*y^3 + 2*y^4 + 2*z - 3*y*z + 4*y^3*z - 8*z^2 + 15*y*z^2 - 9*y^2*z^2 + 12*z^3 - 17*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((Pi*z*(2 - 2*y + y^2 - 4*z + 2*y*z + 2*z^2))/y^2 - ((I/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) + ((I/6)*(y^2 - 3*y^3 + 2*y^4 + 2*y*z - 6*y^2*z + y^4*z + 13*z^2 - 41*y*z^2 + 37*y^2*z^2 - 12*y^3*z^2 - 26*z^3 + 52*y*z^3 - 26*y^2*z^3 + 13*z^4 - 13*y*z^4))/((-1 + y)*y^2*(y + z)))* G[1 - y, 0, z] - (((2*I)/9)*Pi^2*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1, z])/y^2 + (((I/6)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z + y*z^2 - 2*z^3 + 2*z^4))/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 3*y^2*z + 8*y^3*z - 15*y*z^2 + 15*y^2*z^2 - 8*z^3 + 15*y*z^3 + 8*z^4))/ (y*z*(y + z)^2))*G[1 - y, 1 - y, z] + G[0, 0, y]*(((-1/18*I)*Pi^2*y*(-3 + 3*y + 5*z - 2*z^2))/ (-1 + y + z)^2 - ((I/3)*y*(-1 + 3*y - 3*y^2 + y^3 - 8*z + 24*y*z - 24*y^2*z + 8*y^3*z + 27*z^2 - 36*y*z^2 + 9*y^2*z^2 - 18*z^3 + 9*y*z^3))/((-1 + y)^2*z*(-1 + y + z)) + (((2*I)/3)*y*(-1 + z)*z*G[0, 0, z])/(-1 + y + z)^2 - ((I/3)*y*(-3 + 3*y + 5*z - 2*z^2)*G[0, 1 - y, z])/(-1 + y + z)^2 - ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 0, z])/z^2 - ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, z])/z^2) + (((I/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) - (Pi*(y^2 - 2*y^3 + 2*y^4 - 2*y^2*z + 2*y^3*z + 2*z^2 - 2*y*z^2 + 2*y^2*z^2 - 4*z^3 + 2*y*z^3 + 2*z^4))/(y^2*z) + ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 7*y^2*z - 25*y^3*z + 42*y^4*z - 37*y^5*z + 13*y^6*z - 11*y*z^2 + 16*y^2*z^2 + 5*y^3*z^2 - 32*y^4*z^2 + 22*y^5*z^2 + 13*z^3 - 13*y*z^3 - 10*y^2*z^3 + 8*y^3*z^3 + 5*y^4*z^3 - 39*z^4 + 72*y*z^4 - 35*y^2*z^4 + 5*y^3*z^4 + 39*z^5 - 61*y*z^5 + 22*y^2*z^5 - 13*z^6 + 13*y*z^6))/((-1 + y)*y^2*z^2*(-1 + y + z)))* G[-y, 1 - y, z] + G[0, 1, y]* (-((Pi*z*(2 - 2*y + y^2 - 4*z + 2*y*z + 2*z^2))/y^2) + ((I/18)*Pi^2*(-3*y^3 + 3*y^4 + 2*z - 6*y*z + 6*y^2*z + 7*y^3*z - 8*z^2 + 18*y*z^2 - 12*y^2*z^2 - 4*y^3*z^2 + 12*z^3 - 18*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/(y^2*(-1 + y + z)^2) - ((I/6)*(2*y^4 - 4*y^5 + 2*y^6 - y^2*z + 9*y^3*z - 14*y^4*z + 2*y^5*z + 4*y^6*z - 2*y*z^2 + 8*y^2*z^2 - 7*y^3*z^2 - y^4*z^2 + 11*y^5*z^2 - 13*z^3 + 52*y*z^3 - 69*y^2*z^3 + 35*y^3*z^3 + y^4*z^3 + 39*z^4 - 111*y*z^4 + 97*y^2*z^4 - 28*y^3*z^4 - 39*z^5 + 74*y*z^5 - 35*y^2*z^5 + 13*z^6 - 13*y*z^6))/((-1 + y)*y^2*z* (-1 + y + z)*(y + z)) + ((I/3)*(-3*y^3 + 3*y^4 + 2*z - 6*y*z + 6*y^2*z + 5*y^3*z - 8*z^2 + 18*y*z^2 - 12*y^2*z^2 - 2*y^3*z^2 + 12*z^3 - 18*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)* G[0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, -y, z])/y^2 - (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[1 - y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, -y, z])/ (y^2*z^2)) + G[1, 0, y]*(-((Pi*z*(1 + y^2 - 2*z + z^2))/ (-1 + y + z)^2) - ((I/18)*Pi^2*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 2*z + 3*y*z - 12*y^2*z + 5*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 4*y^3*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/(y^2*(-1 + y + z)^2) + ((I/6)*(2*y^2 - 8*y^3 + 12*y^4 - 8*y^5 + 2*y^6 + y*z - 2*y^2*z - 5*y^3*z + 16*y^4*z - 14*y^5*z + 4*y^6*z + 8*z^2 - 24*y*z^2 + 4*y^2*z^2 + 45*y^3*z^2 - 46*y^4*z^2 + 13*y^5*z^2 - 24*z^3 + 48*y*z^3 + y^2*z^3 - 43*y^3*z^3 + 6*y^4*z^3 + 24*z^4 - 28*y*z^4 - 10*y^2*z^4 + 2*y^3*z^4 - 8*z^5 + 3*y*z^5 + 5*y^2*z^5))/ ((-1 + y)*y*z*(-1 + y + z)^2*(y + z)) - (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, z])/y^2 - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)*G[1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, z])/ (y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)*G[-y, -y, z])/ (y^2*z^2)) + G[1, 1, y]*(((I/3)*(-1 + y + z)*(y^3 + 3*y^2*z + 8*y^3*z - 15*y*z^2 + 15*y^2*z^2 - 8*z^3 + 15*y*z^3 + 8*z^4))/ (y*z*(y + z)^2) + ((I/18)*Pi^2*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 6*z - 9*y*z + y^3*z - 24*z^2 + 45*y*z^2 - 27*y^2*z^2 + 8*y^3*z^2 + 36*z^3 - 51*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5))/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[-y, -y, z])/(y^2*z^2)) - ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 15*y^2*z - 46*y^3*z + 51*y^4*z - 24*y^5*z + 4*y^6*z + 12*z^2 - 47*y*z^2 + 52*y^2*z^2 - 14*y^3*z^2 - 3*y^5*z^2 - 36*z^3 + 118*y*z^3 - 137*y^2*z^3 + 64*y^3*z^3 - 6*y^4*z^3 + 36*z^4 - 95*y*z^4 + 82*y^2*z^4 - 23*y^3*z^4 - 12*z^5 + 24*y*z^5 - 12*y^2*z^5)*G[0, 0, 1, y])/ ((-1 + y)^2*y^2*z*(-1 + y + z)) + ((I/6)*z*(-12 + 25*y - 18*y^2 + 9*y^3 + 36*z - 50*y*z + 18*y^2*z - 36*z^2 + 25*y*z^2 + 12*z^3)*G[0, 0, 1 - y, z])/(y^2*(-1 + y + z)) - ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - 3*y^2*z - 5*y^3*z + 38*y^4*z - 49*y^5*z + 19*y^6*z - 24*y^2*z^2 + 109*y^3*z^2 - 161*y^4*z^2 + 70*y^5*z^2 + 6*y^6*z^2 + 4*z^3 - 24*y*z^3 + 92*y^2*z^3 - 161*y^3*z^3 + 80*y^4*z^3 + 15*y^5*z^3 - 8*z^4 + 27*y*z^4 - 37*y^2*z^4 + 5*y^3*z^4 + 25*y^4*z^4 + 22*y*z^5 - 49*y^2*z^5 + 33*y^3*z^5 + 8*z^6 - 29*y*z^6 + 21*y^2*z^6 - 4*z^7 + 4*y*z^7)*G[0, 1, 0, y])/((-1 + y)*y*z*(-1 + y + z)^2*(y + z)^2) - ((I/6)*(4*y^4 - 16*y^5 + 24*y^6 - 16*y^7 + 4*y^8 + 9*y^3*z - 35*y^4*z + 43*y^5*z - 9*y^6*z - 16*y^7*z + 8*y^8*z + 24*y^2*z^2 - 121*y^3*z^2 + 220*y^4*z^2 - 165*y^5*z^2 + 46*y^6*z^2 - 16*y^7*z^2 + 12*y^8*z^2 + 28*y*z^3 - 219*y^2*z^3 + 599*y^3*z^3 - 762*y^4*z^3 + 502*y^5*z^3 - 196*y^6*z^3 + 48*y^7*z^3 + 12*z^4 - 171*y*z^4 + 698*y^2*z^4 - 1262*y^3*z^4 + 1144*y^4*z^4 - 529*y^5*z^4 + 111*y^6*z^4 - 48*z^5 + 369*y*z^5 - 985*y^2*z^5 + 1205*y^3*z^5 - 700*y^4*z^5 + 165*y^5*z^5 + 72*z^6 - 361*y*z^6 + 644*y^2*z^6 - 493*y^3*z^6 + 141*y^4*z^6 - 48*z^7 + 159*y*z^7 - 174*y^2*z^7 + 63*y^3*z^7 + 12*z^8 - 24*y*z^8 + 12*y^2*z^8)*G[0, 1, 0, z])/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) + ((I/6)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5)*G[0, 1, 1, y])/(y^2*z*(y + z)) + ((I/6)*z*(-12 + 25*y - 18*y^2 + 9*y^3 + 36*z - 50*y*z + 18*y^2*z - 36*z^2 + 25*y*z^2 + 12*z^3)*G[0, 1 - y, 0, z])/(y^2*(-1 + y + z)) - ((I/6)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5)*G[0, 1 - y, 1 - y, z])/(y^2*z*(y + z)) + ((I/6)*(-11*y^3 + 43*y^4 - 75*y^5 + 77*y^6 - 46*y^7 + 12*y^8 - 13*y^2*z + 96*y^3*z - 238*y^4*z + 280*y^5*z - 165*y^6*z + 40*y^7*z + 16*y*z^2 - 21*y^2*z^2 - 86*y^3*z^2 + 211*y^4*z^2 - 154*y^5*z^2 + 34*y^6*z^2 + 12*z^3 - 98*y*z^3 + 207*y^2*z^3 - 171*y^3*z^3 + 59*y^4*z^3 - 6*y^5*z^3 - 36*z^4 + 172*y*z^4 - 281*y^2*z^4 + 190*y^3*z^4 - 42*y^4*z^4 + 36*z^5 - 114*y*z^5 + 120*y^2*z^5 - 42*y^3*z^5 - 12*z^6 + 24*y*z^6 - 12*y^2*z^6)* G[0, -y, 1 - y, z])/((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)) - ((I/6)*(-2*y + 6*y^2 - 6*y^3 + 2*y^4 + y*z + 2*y^2*z - 7*y^3*z + 4*y^4*z - 9*z^2 + 13*y*z^2 - 20*y^2*z^2 + 16*y^3*z^2 + 18*z^3 - 21*y*z^3 + 9*y^2*z^3 - 9*z^4 + 9*y*z^4)*G[1, 0, 0, y])/ ((-1 + y)*z*(-1 + y + z)^2) - ((I/6)*z*(12 - 41*y + 59*y^2 - 36*y^3 + 18*y^4 - 48*z + 123*y*z - 118*y^2*z + 36*y^3*z + 72*z^2 - 123*y*z^2 + 59*y^2*z^2 - 48*z^3 + 41*y*z^3 + 12*z^4)*G[1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - y^2*z - 13*y^3*z + 48*y^4*z - 53*y^5*z + 19*y^6*z - 17*y*z^2 + 52*y^2*z^2 - 33*y^3*z^2 - 16*y^4*z^2 + 8*y^5*z^2 + 6*y^6*z^2 - 12*z^3 + 95*y*z^3 - 208*y^2*z^3 + 197*y^3*z^3 - 90*y^4*z^3 + 21*y^5*z^3 + 36*z^4 - 163*y*z^4 + 255*y^2*z^4 - 165*y^3*z^4 + 40*y^4*z^4 - 36*z^5 + 109*y*z^5 - 110*y^2*z^5 + 37*y^3*z^5 + 12*z^6 - 24*y*z^6 + 12*y^2*z^6)*G[1, 0, 1, y])/ ((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)) - ((I/3)*(-1 + z)*z*(-1 + 3*y + z)*G[1, 0, 1 - y, z])/(y*(-1 + y + z)) + ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - 3*y^2*z + 26*y^3*z - 39*y^4*z + 12*y^5*z + 4*y^6*z + 22*y^2*z^2 - 52*y^3*z^2 + 15*y^4*z^2 + 27*y^5*z^2 + 4*z^3 - 22*y*z^3 + 37*y^2*z^3 - 60*y^3*z^3 + 69*y^4*z^3 - 24*z^4 + 104*y*z^4 - 167*y^2*z^4 + 109*y^3*z^4 + 48*z^5 - 142*y*z^5 + 111*y^2*z^5 - 40*z^6 + 60*y*z^6 + 12*z^7)*G[1, 1, 0, y])/(y*z*(-1 + y + z)^2*(y + z)^2) + G[-y, z]*(((I/6)*(-2*y^2 + 2*y^3 - 4*y*z + 2*y^2*z + y^3*z - 8*z^2 + 13*y*z^2 - 3*y^2*z^2 + 13*z^3 - 9*y*z^3 - 5*z^4)*G[0, 1, y])/ (y*z*(y + z)) + ((I/6)*(2*y^2 + y^3 + 4*y*z - 5*y^2*z + 2*y^3*z - 4*z^2 + 2*y*z^2 + 8*z^3 - 6*y*z^3 - 4*z^4)*G[1, 0, y])/ (y*z*(y + z)) - ((I/6)*(10*y^2 - 13*y^3 + 12*y^4 + y*z - 15*y^2*z + 7*y^3*z + 12*z^2 - 8*y*z^2 + 8*y^2*z^2 - 24*z^3 + 7*y*z^3 + 12*z^4)*G[1, 1, y])/(y^2*z) - ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 1, 0, y])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 1, 1, y])/ (y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1, 0, 1, y])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 1, 0, y])/(y^2*z^2)) + ((I/6)*(-3 + z)*(-1 + z)^2*G[1, 1, 0, z])/(y*(-1 + y + z)) - ((I/3)*(-1 + z)*z*(-1 + 3*y + z)*G[1, 1 - y, 0, z])/(y*(-1 + y + z)) + ((I/6)*z*(-12 + 25*y - 18*y^2 + 9*y^3 + 36*z - 50*y*z + 18*y^2*z - 36*z^2 + 25*y*z^2 + 12*z^3)*G[1 - y, 0, 0, z])/(y^2*(-1 + y + z)) - ((I/6)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5)*G[1 - y, 0, 1 - y, z])/(y^2*z*(y + z)) + ((I/6)*(-4*y^4 + 24*y^5 - 56*y^6 + 64*y^7 - 36*y^8 + 8*y^9 - 9*y^3*z + 57*y^4*z - 129*y^5*z + 119*y^6*z - 18*y^7*z - 36*y^8*z + 16*y^9*z - 24*y^2*z^2 + 132*y^3*z^2 - 257*y^4*z^2 + 168*y^5*z^2 + 99*y^6*z^2 - 190*y^7*z^2 + 72*y^8*z^2 - 28*y*z^3 + 207*y^2*z^3 - 516*y^3*z^3 + 516*y^4*z^3 - 67*y^5*z^3 - 226*y^6*z^3 + 114*y^7*z^3 - 12*z^4 + 162*y*z^4 - 605*y^2*z^4 + 934*y^3*z^4 - 598*y^4*z^4 + 58*y^5*z^4 + 64*y^6*z^4 + 48*z^5 - 342*y*z^5 + 817*y^2*z^5 - 851*y^3*z^5 + 370*y^4*z^5 - 36*y^5*z^5 - 72*z^6 + 334*y*z^6 - 539*y^2*z^6 + 364*y^3*z^6 - 84*y^4*z^6 + 48*z^7 - 150*y*z^7 + 156*y^2*z^7 - 54*y^3*z^7 - 12*z^8 + 24*y*z^8 - 12*y^2*z^8)*G[1 - y, 1, 0, z])/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) - ((I/6)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5)*G[1 - y, 1 - y, 0, z])/(y^2*z*(y + z)) - ((I/6)*(-13*y^2 + 51*y^3 - 87*y^4 + 85*y^5 - 48*y^6 + 12*y^7 - y*z + 19*y^2*z - 60*y^3*z + 88*y^4*z - 67*y^5*z + 21*y^6*z - 12*z^2 + 47*y*z^2 - 74*y^2*z^2 + 76*y^3*z^2 - 52*y^4*z^2 + 15*y^5*z^2 + 36*z^3 - 115*y*z^3 + 134*y^2*z^3 - 67*y^3*z^3 + 15*y^4*z^3 - 36*z^4 + 93*y*z^4 - 78*y^2*z^4 + 21*y^3*z^4 + 12*z^5 - 24*y*z^5 + 12*y^2*z^5)*G[1 - y, -y, 1 - y, z])/((-1 + y)^2*y^2*z* (-1 + y + z)) - ((I/6)*(-2*y^2 + 2*y^3 - 4*y*z - y^2*z + 4*y^3*z - 8*z^2 + 7*y*z^2 + 6*y^2*z^2 + 10*z^3 - 2*z^4)*G[-y, 0, 1 - y, z])/ (y*z*(y + z)) - ((I/6)*(-2*y^2 + 2*y^3 - 4*y*z - y^2*z + 4*y^3*z - 8*z^2 + 7*y*z^2 + 6*y^2*z^2 + 10*z^3 - 2*z^4)*G[-y, 1 - y, 0, z])/ (y*z*(y + z)) - ((I/6)*(10*y^2 - 13*y^3 + 12*y^4 + y*z - 15*y^2*z + 7*y^3*z + 12*z^2 - 8*y*z^2 + 8*y^2*z^2 - 24*z^3 + 7*y*z^3 + 12*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z) - ((I/6)*(-1 + z)*(-4 + y + z)* (y + z)*G[-y, -y, 1 - y, z])/(y*z) - ((I/3)*y*(-3 + 3*y + 7*z - 4*z^2)*G[0, 0, 0, 1, y])/(-1 + y + z)^2 + ((I/3)*(-3*y^3 + 3*y^4 - 2*z + 6*y*z - 6*y^2*z + 9*y^3*z + 8*z^2 - 18*y*z^2 + 12*y^2*z^2 - 6*y^3*z^2 - 12*z^3 + 18*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[0, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, 1, y])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 1 - y, z])/y^2 - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 14*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 - 2*y^3*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)* G[0, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y^3 + 3*y^4 - 2*z + 6*y*z - 6*y^2*z + 9*y^3*z + 8*z^2 - 18*y*z^2 + 12*y^2*z^2 - 6*y^3*z^2 - 12*z^3 + 18*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[0, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y^3 + 3*y^4 + 2*z - 6*y*z + 6*y^2*z + 5*y^3*z - 8*z^2 + 18*y*z^2 - 12*y^2*z^2 - 2*y^3*z^2 + 12*z^3 - 18*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[0, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 1 - y, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[0, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 0, z])/y^2 + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 1 - y, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, -y, 0, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, -y, 1 - y, 0, z])/y^2 + ((I/3)*(-1 + y + z)*(3*y - 4*z + 4*z^2)* G[0, -y, 1 - y, 1 - y, z])/y^2 + ((I/3)*(-1 + y + z)*(3*y - 4*z + 4*z^2)*G[0, -y, -y, 1 - y, z])/y^2 - ((I/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 4*z - 3*y*z - 6*y^2*z + 7*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 2*y^3*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)* G[1, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 4*z - 3*y*z - 6*y^2*z + 3*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 6*y^3*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)* G[1, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 0, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*y*(-1 + z)*z*G[1, 1, 0, 0, y])/ (-1 + y + z)^2 - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 4*z - 3*y*z - 6*y^2*z + 3*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 6*y^3*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)* G[1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(3*y - 4*z + 4*z^2)*G[1, 1, 1, 0, y])/y^2 - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 1 - y, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 0, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, 0, 1, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 0, z])/y^2 - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 + 4*z^3 - 4*z^4)* G[1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, 0, 0, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, 0, 1 - y, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, 1, 0, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, 1 - y, 0, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 0, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - z^3 + z^4)* G[1 - y, 1 - y, 1, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 1, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 1 - y, 1 - y, z])/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)*G[-y, 0, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 0, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[-y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, 0, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, 1 - y, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[-y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[-y, -y, -y, 1 - y, z])/(y^2*z^2) - ((I/6)*(-4*y^2 + 12*y^3 - 12*y^4 + 4*y^5 - 9*y*z + 25*y^2*z - 15*y^3*z - 9*y^4*z + 8*y^5*z + 8*z^2 - 43*y*z^2 + 113*y^2*z^2 - 123*y^3*z^2 + 45*y^4*z^2 - 16*z^3 + 68*y*z^3 - 88*y^2*z^3 + 45*y^3*z^3 + 8*z^4 - 16*y*z^4 + 8*y^2*z^4)*Zeta[3])/ ((-1 + y)^2*y*z*(-1 + y + z)) + G[0, z]*((-2*Pi*z*(1 - y + y^2 - 2*z + y*z + z^2))/(y*(-1 + y + z)) + ((I/6)*(-2*y + 2*y^2 + 25*z - 23*y*z + 25*y^2*z - 50*z^2 + 25*y*z^2 + 25*z^3))/(y*(-1 + y + z)) + ((I/36)*Pi^2*(2*y^2 - 8*y^3 + 12*y^4 - 8*y^5 + 2*y^6 - y^2*z - y^3*z + 9*y^4*z - 11*y^5*z + 4*y^6*z - 4*z^2 + 24*y*z^2 - 46*y^2*z^2 + 49*y^3*z^2 - 36*y^4*z^2 + 13*y^5*z^2 + 12*z^3 - 56*y*z^3 + 85*y^2*z^3 - 53*y^3*z^3 + 12*y^4*z^3 - 12*z^4 + 40*y*z^4 - 44*y^2*z^4 + 19*y^3*z^4 + 4*z^5 - 8*y*z^5 + 4*y^2*z^5))/((-1 + y)^2*y*z*(-1 + y + z)^2) + (((-1/9*I)*Pi^2*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/(y^2*(-1 + y + z)^2) + (Pi*z*(2 - 2*y + y^2 - 4*z + 2*y*z + 2*z^2))/y^2 + ((I/6)*(y^2 - 3*y^3 + 2*y^4 + 2*y*z - 6*y^2*z + y^4*z + 13*z^2 - 41*y*z^2 + 37*y^2*z^2 - 12*y^3*z^2 - 26*z^3 + 52*y*z^3 - 26*y^2*z^3 + 13*z^4 - 13*y*z^4))/ ((-1 + y)*y^2*(y + z)))*G[1, y] + ((I/6)*(-2*y + 6*y^2 - 6*y^3 + 2*y^4 + y*z + 2*y^2*z - 7*y^3*z + 4*y^4*z - 9*z^2 + 13*y*z^2 - 20*y^2*z^2 + 16*y^3*z^2 + 18*z^3 - 21*y*z^3 + 9*y^2*z^3 - 9*z^4 + 9*y*z^4)*G[0, 0, y])/ ((-1 + y)*z*(-1 + y + z)^2) + ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - y^3*z + 6*y^4*z - 9*y^5*z + 4*y^6*z + 12*z^2 - 46*y*z^2 + 68*y^2*z^2 - 49*y^3*z^2 + 18*y^4*z^2 - 3*y^5*z^2 - 36*z^3 + 116*y*z^3 - 136*y^2*z^3 + 68*y^3*z^3 - 9*y^4*z^3 + 36*z^4 - 94*y*z^4 + 80*y^2*z^4 - 22*y^3*z^4 - 12*z^5 + 24*y*z^5 - 12*y^2*z^5)*G[0, 1, y])/((-1 + y)^2*y^2*z*(-1 + y + z)) - ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - 3*y^2*z + 11*y^3*z - 9*y^4*z - 3*y^5*z + 4*y^6*z - 4*y^2*z^2 + 31*y^3*z^2 - 42*y^4*z^2 + 27*y^5*z^2 + 4*z^3 - 29*y*z^3 + 101*y^2*z^3 - 130*y^3*z^3 + 66*y^4*z^3 - 20*z^4 + 103*y*z^4 - 184*y^2*z^4 + 96*y^3*z^4 + 36*z^5 - 119*y*z^5 + 90*y^2*z^5 - 28*z^6 + 45*y*z^6 + 8*z^7)*G[1, 0, y])/(y*z*(-1 + y + z)^2*(y + z)^2) - ((I/6)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5)*G[1, 1, y])/(y^2*z*(y + z)) - (((2*I)/3)*y*(-1 + z)*z*G[0, 0, 1, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, y])/y^2 - (((2*I)/3)*y*(-1 + z)*z*G[1, 0, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, y])/y^2 - (((4*I)/3)*y*(-1 + z)*z*Zeta[3])/(-1 + y + z)^2) + G[0, y]*((-2*Pi*y*(-1 + 3*y - 3*y^2 + y^3 + 3*z - 4*y*z + y^2*z - 2*z^2 + y*z^2))/((-1 + y)^2*(-1 + y + z)) + ((I/6)*(-2*y + 6*y^2 - 6*y^3 + 2*y^4 + 7*z - 49*y*z + 102*y^2*z - 85*y^3*z + 25*y^4*z - 14*z^2 + 113*y*z^2 - 124*y^2*z^2 + 25*y^3*z^2 + 7*z^3 - 62*y*z^3 + 25*y^2*z^3))/ ((-1 + y)^2*z*(-1 + y + z)) + ((I/36)*Pi^2*(-2*y^2 + 6*y^3 - 6*y^4 + 2*y^5 - 18*y*z + 52*y^2*z - 46*y^3*z + 8*y^4*z + 4*y^5*z + 4*z^2 + 19*y*z^2 - 49*y^2*z^2 + 7*y^3*z^2 + 19*y^4*z^2 - 12*z^3 + 20*y*z^3 - 14*y^2*z^3 + 12*y^3*z^3 + 12*z^4 - 25*y*z^4 + 13*y^2*z^4 - 4*z^5 + 4*y*z^5))/ ((-1 + y)*y*z*(-1 + y + z)^2) + (((I/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (Pi*z*(1 + y^2 - 2*z + z^2))/(-1 + y + z)^2 + ((I/6)*(-y + 4*y^2 - 5*y^3 + 2*y^4 - 4*z + 14*y*z - 15*y^2*z + 4*y^3*z + y^4*z + 7*z^2 - 12*y*z^2 + y^2*z^2 + 16*y^3*z^2 - 2*z^3 - 2*y*z^3 + 16*y^2*z^3 - z^4 + y*z^4))/ ((-1 + y)*(-1 + y + z)^2*(y + z)))*G[0, z] + ((I/18)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, z])/ (y^2*(-1 + y + z)^2) + ((Pi*(1 - 2*y + 2*y^2 - 2*z + 2*y*z + z^2))/ z - ((I/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4))/(y^2*z^2) - ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 5*y*z + 14*y^2*z - 22*y^3*z + 13*y^4*z + 5*z^2 - 19*y^2*z^2 + 26*y^3*z^2 - 6*z^3 + 6*y*z^3 + 12*y^2*z^3 + z^4 - y*z^4))/ ((-1 + y)*z^2*(y + z)))*G[1 - y, z] + ((I/6)*z*(-4 + 16*y - 9*y^2 + 9*y^3 + 12*z - 32*y*z + 9*y^2*z - 12*z^2 + 16*y*z^2 + 4*z^3)*G[0, 0, z])/(y*(-1 + y + z)^2) - ((I/6)*(11*y^2 - 34*y^3 + 47*y^4 - 36*y^5 + 12*y^6 + 13*y*z - 85*y^2*z + 158*y^3*z - 122*y^4*z + 36*y^5*z - 4*z^2 - 29*y*z^2 + 124*y^2*z^2 - 130*y^3*z^2 + 33*y^4*z^2 + 16*z^3 - 7*y*z^3 - 21*y^2*z^3 + 6*y^3*z^3 - 20*z^4 + 31*y*z^4 - 11*y^2*z^4 + 8*z^5 - 8*y*z^5)*G[0, 1 - y, z])/((-1 + y)*y*z*(-1 + y + z)*(y + z)) + ((I/3)*(-1 + z)*z*(-2 + 3*y + 2*z)*G[1, 0, z])/(y*(-1 + y + z)) - ((I/6)*(2*y^3 - 10*y^4 + 18*y^5 - 14*y^6 + 4*y^7 + 3*y^2*z - 21*y^3*z + 39*y^4*z - 19*y^5*z - 10*y^6*z + 8*y^7*z - 4*y^2*z^2 - 9*y^3*z^2 + 57*y^4*z^2 - 89*y^5*z^2 + 45*y^6*z^2 - 4*z^3 + 30*y*z^3 - 111*y^2*z^3 + 211*y^3*z^3 - 216*y^4*z^3 + 96*y^5*z^3 + 20*z^4 - 117*y*z^4 + 273*y^2*z^4 - 282*y^3*z^4 + 118*y^4*z^4 - 36*z^5 + 152*y*z^5 - 206*y^2*z^5 + 96*y^3*z^5 + 28*z^6 - 73*y*z^6 + 45*y^2*z^6 - 8*z^7 + 8*y*z^7)*G[1 - y, 0, z])/ ((-1 + y)*y*z*(-1 + y + z)^2*(y + z)^2) + ((I/6)*(8*y^2 - 11*y^3 + 12*y^4 + 10*y*z - 29*y^2*z + 23*y^3*z - 4*z^2 - 10*y*z^2 + 15*y^2*z^2 + 8*z^3 - 4*z^4)* G[1 - y, 1 - y, z])/(y*z*(y + z)) + ((I/6)*(2*y^2 + y^3 + 4*y*z - 5*y^2*z + 2*y^3*z - 4*z^2 + 2*y*z^2 + 8*z^3 - 6*y*z^3 - 4*z^4)*G[-y, 1 - y, z])/(y*z*(y + z)) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2)*G[0, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(3*y - 2*z + 2*z^2)* G[0, 1 - y, 1 - y, z])/y^2 - ((I/3)*(-1 + y + z)* (3*y - 2*z + 2*z^2)*G[0, -y, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, z])/y^2 + ((I/3)*(y - z)*(-1 + y + z)*(y^2 + y*z + 2*y^2*z - 2*z^2 + 2*y*z^2 + 2*z^3)*G[1 - y, 0, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, 0, z])/y^2 + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, 0, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*y*(-9 + 9*y + 13*z - 4*z^2)*Zeta[3])/(-1 + y + z)^2) + G[1 - y, z]*((2*Pi*(-1 + y + z)*(y^3 - 2*y*z + 2*y^2*z - z^2 + 2*y*z^2 + z^3))/(y*(y + z)^2) - ((I/6)*(-2*y^3 + 2*y^4 - 9*y^2*z - 7*y^3*z + 25*y^4*z + 48*y*z^2 - 82*y^2*z^2 + 75*y^3*z^2 + 25*z^3 - 123*y*z^3 + 100*y^2*z^3 - 50*z^4 + 75*y*z^4 + 25*z^5))/(y*z*(y + z)^2) - ((I/36)*Pi^2*(y^3 + y^4 - 14*y^5 + 26*y^6 - 19*y^7 + 5*y^8 + 20*y^3*z - 82*y^4*z + 119*y^5*z - 65*y^6*z + y^7*z + 7*y^8*z - 3*y*z^2 + 39*y^2*z^2 - 141*y^3*z^2 + 195*y^4*z^2 - 69*y^5*z^2 - 60*y^6*z^2 + 39*y^7*z^2 + z^3 + 4*y*z^3 - 41*y^2*z^3 + 49*y^3*z^3 + 82*y^4*z^3 - 176*y^5*z^3 + 81*y^6*z^3 - 10*z^4 + 53*y*z^4 - 151*y^2*z^4 + 272*y^3*z^4 - 259*y^4*z^4 + 98*y^5*z^4 + 24*z^5 - 120*y*z^5 + 240*y^2*z^5 - 219*y^3*z^5 + 81*y^4*z^5 - 22*z^6 + 80*y*z^6 - 94*y^2*z^6 + 39*y^3*z^6 + 7*z^7 - 14*y*z^7 + 7*y^2*z^7))/((-1 + y)^2*y*z*(-1 + y + z)^2*(y + z)^2) + ((I/6)*(9 - 31*y + 47*y^2 - 37*y^3 + 12*y^4 - 27*z + 73*y*z - 71*y^2*z + 25*y^3*z + 27*z^2 - 51*y*z^2 + 18*y^2*z^2 - 9*z^3 + 9*y*z^3)*G[0, 0, y])/((-1 + y)*z*(-1 + y + z)) + ((I/6)*(5*y^3 - 16*y^4 + 18*y^5 - 8*y^6 + y^7 + 4*y^2*z - 3*y^3*z - 20*y^4*z + 35*y^5*z - 18*y^6*z + 2*y^7*z + 17*y*z^2 - 58*y^2*z^2 + 52*y^3*z^2 - 2*y^4*z^2 - 11*y^5*z^2 + 2*y^6*z^2 + 12*z^3 - 95*y*z^3 + 211*y^2*z^3 - 203*y^3*z^3 + 87*y^4*z^3 - 15*y^5*z^3 - 36*z^4 + 163*y*z^4 - 255*y^2*z^4 + 165*y^3*z^4 - 40*y^4*z^4 + 36*z^5 - 109*y*z^5 + 110*y^2*z^5 - 37*y^3*z^5 - 12*z^6 + 24*y*z^6 - 12*y^2*z^6)*G[0, 1, y])/((-1 + y)^2*y^2*z* (-1 + y + z)*(y + z)) + ((I/6)*(2*y^3 - 10*y^4 + 18*y^5 - 14*y^6 + 4*y^7 + 3*y^2*z - 36*y^3*z + 87*y^4*z - 73*y^5*z + 14*y^6*z + 5*y^7*z - 30*y^2*z^2 + 106*y^3*z^2 - 104*y^4*z^2 - 8*y^5*z^2 + 36*y^6*z^2 - 4*z^3 + 23*y*z^3 - 37*y^2*z^3 + 62*y^3*z^3 - 128*y^4*z^3 + 90*y^5*z^3 + 24*z^4 - 122*y*z^4 + 254*y^2*z^4 - 272*y^3*z^4 + 128*y^4*z^4 - 48*z^5 + 187*y*z^5 - 250*y^2*z^5 + 117*y^3*z^5 + 40*z^6 - 100*y*z^6 + 60*y^2*z^6 - 12*z^7 + 12*y*z^7)*G[1, 0, y])/((-1 + y)*y*z*(-1 + y + z)^2*(y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 3*y*z^2 + 4*z^3 - 4*z^4)* G[0, 0, 1, y])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)*G[0, 1, 0, y])/(y^2*z^2) + ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[1, 0, 0, y])/z^2 + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[1, 0, 1, y])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(3*y - 4*z + 4*z^2)* G[1, 1, 0, y])/y^2 + ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 9*y*z^2 - 4*z^3 + 4*z^4)*Zeta[3])/(y^2*z^2)) + G[1, z]*(((-1/36*I)*Pi^2*(-3 + z)*(-1 + z)^2)/(y*(-1 + y + z)) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 0, 1, y])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 0, 1, y])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 + 4*z + 15*y*z - 42*y^2*z + 36*y^3*z - 16*z^2 + 9*y*z^2 + 3*y^2*z^2 + 24*z^3 - 27*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*Zeta[3])/ (y^2*(-1 + y + z)^2)) + G[1, y]* ((2*Pi*(-1 + y + z)*(y^3 - 2*y*z + 2*y^2*z - z^2 + 2*y*z^2 + z^3))/ (y*(y + z)^2) - ((I/6)*(-2*y^3 + 2*y^4 - 9*y^2*z - 7*y^3*z + 25*y^4*z + 48*y*z^2 - 82*y^2*z^2 + 75*y^3*z^2 + 25*z^3 - 123*y*z^3 + 100*y^2*z^3 - 50*z^4 + 75*y*z^4 + 25*z^5))/ (y*z*(y + z)^2) - ((I/36)*Pi^2*(-2*y^3 + 12*y^4 - 28*y^5 + 32*y^6 - 18*y^7 + 4*y^8 - 6*y^2*z + 48*y^3*z - 129*y^4*z + 151*y^5*z - 69*y^6*z - 3*y^7*z + 8*y^8*z - 6*y*z^2 + 62*y^2*z^2 - 196*y^3*z^2 + 249*y^4*z^2 - 86*y^5*z^2 - 65*y^6*z^2 + 42*y^7*z^2 + z^3 + 10*y*z^3 - 66*y^2*z^3 + 85*y^3*z^3 + 64*y^4*z^3 - 178*y^5*z^3 + 84*y^6*z^3 - 10*z^4 + 50*y*z^4 - 143*y^2*z^4 + 266*y^3*z^4 - 259*y^4*z^4 + 99*y^5*z^4 + 24*z^5 - 120*y*z^5 + 240*y^2*z^5 - 219*y^3*z^5 + 81*y^4*z^5 - 22*z^6 + 80*y*z^6 - 94*y^2*z^6 + 39*y^3*z^6 + 7*z^7 - 14*y*z^7 + 7*y^2*z^7))/((-1 + y)^2*y*z*(-1 + y + z)^2*(y + z)^2) - ((I/6)*Pi^2*(-y + 3*y^2 - 4*y^3 + 2*y^4 + 2*z - 3*y*z + 4*y^3*z - 8*z^2 + 15*y*z^2 - 9*y^2*z^2 + 12*z^3 - 17*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, z])/(y^2*(-1 + y + z)^2) + (((I/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 6*z^3 + 6*z^4))/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 3*y^2*z + 8*y^3*z - 15*y*z^2 + 15*y^2*z^2 - 8*z^3 + 15*y*z^3 + 8*z^4))/ (y*z*(y + z)^2))*G[1 - y, z] + (((I/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) - (Pi*(y^2 - 2*y^3 + 2*y^4 - 2*y^2*z + 2*y^3*z + 2*z^2 - 2*y*z^2 + 2*y^2*z^2 - 4*z^3 + 2*y*z^3 + 2*z^4))/ (y^2*z) + ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 7*y^2*z - 25*y^3*z + 42*y^4*z - 37*y^5*z + 13*y^6*z - 11*y*z^2 + 16*y^2*z^2 + 5*y^3*z^2 - 32*y^4*z^2 + 22*y^5*z^2 + 13*z^3 - 13*y*z^3 - 10*y^2*z^3 + 8*y^3*z^3 + 5*y^4*z^3 - 39*z^4 + 72*y*z^4 - 35*y^2*z^4 + 5*y^3*z^4 + 39*z^5 - 61*y*z^5 + 22*y^2*z^5 - 13*z^6 + 13*y*z^6))/((-1 + y)*y^2*z^2* (-1 + y + z)))*G[-y, z] + ((I/6)*z*(-12 + 25*y - 18*y^2 + 9*y^3 + 36*z - 50*y*z + 18*y^2*z - 36*z^2 + 25*y*z^2 + 12*z^3)* G[0, 0, z])/(y^2*(-1 + y + z)) - ((I/6)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5)*G[0, 1 - y, z])/(y^2*z*(y + z)) + ((I/6)*(-11*y^3 + 43*y^4 - 75*y^5 + 77*y^6 - 46*y^7 + 12*y^8 - 13*y^2*z + 96*y^3*z - 238*y^4*z + 280*y^5*z - 165*y^6*z + 40*y^7*z + 16*y*z^2 - 21*y^2*z^2 - 86*y^3*z^2 + 211*y^4*z^2 - 154*y^5*z^2 + 34*y^6*z^2 + 12*z^3 - 98*y*z^3 + 207*y^2*z^3 - 171*y^3*z^3 + 59*y^4*z^3 - 6*y^5*z^3 - 36*z^4 + 172*y*z^4 - 281*y^2*z^4 + 190*y^3*z^4 - 42*y^4*z^4 + 36*z^5 - 114*y*z^5 + 120*y^2*z^5 - 42*y^3*z^5 - 12*z^6 + 24*y*z^6 - 12*y^2*z^6)* G[0, -y, z])/((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)) - ((I/3)*(-1 + z)*z*(-1 + 3*y + z)*G[1, 0, z])/(y*(-1 + y + z)) - ((I/6)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5)*G[1 - y, 0, z])/(y^2*z*(y + z)) - ((I/6)*(-13*y^2 + 51*y^3 - 87*y^4 + 85*y^5 - 48*y^6 + 12*y^7 - y*z + 19*y^2*z - 60*y^3*z + 88*y^4*z - 67*y^5*z + 21*y^6*z - 12*z^2 + 47*y*z^2 - 74*y^2*z^2 + 76*y^3*z^2 - 52*y^4*z^2 + 15*y^5*z^2 + 36*z^3 - 115*y*z^3 + 134*y^2*z^3 - 67*y^3*z^3 + 15*y^4*z^3 - 36*z^4 + 93*y*z^4 - 78*y^2*z^4 + 21*y^3*z^4 + 12*z^5 - 24*y*z^5 + 12*y^2*z^5)*G[1 - y, -y, z])/((-1 + y)^2*y^2*z*(-1 + y + z)) - ((I/6)*(-2*y^2 + 2*y^3 - 4*y*z - y^2*z + 4*y^3*z - 8*z^2 + 7*y*z^2 + 6*y^2*z^2 + 10*z^3 - 2*z^4)*G[-y, 0, z])/(y*z*(y + z)) - ((I/6)*(10*y^2 - 13*y^3 + 12*y^4 + y*z - 15*y^2*z + 7*y^3*z + 12*z^2 - 8*y*z^2 + 8*y^2*z^2 - 24*z^3 + 7*y*z^3 + 12*z^4)* G[-y, 1 - y, z])/(y^2*z) - ((I/6)*(-1 + z)*(-4 + y + z)*(y + z)* G[-y, -y, z])/(y*z) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, z])/y^2 - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 14*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 - 2*y^3*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[0, 0, -y, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, z])/y^2 + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 1 - y, -y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, -y, 0, z])/y^2 + ((I/3)*(-1 + y + z)*(3*y - 4*z + 4*z^2)* G[0, -y, 1 - y, z])/y^2 + ((I/3)*(-1 + y + z)*(3*y - 4*z + 4*z^2)* G[0, -y, -y, z])/y^2 + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 0, -y, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 1 - y, -y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 0, z])/y^2 - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 + 4*z^3 - 4*z^4)*G[1 - y, 0, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, 0, z])/y^2 + ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[1 - y, 1 - y, -y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)*G[-y, 0, -y, z])/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)* (2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)*G[-y, 1 - y, -y, z])/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)* (2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)*G[-y, -y, 1 - y, z])/ (y^2*z^2) - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)*G[-y, -y, -y, z])/(y^2*z^2) + ((I/3)*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 + 4*z + 15*y*z - 42*y^2*z + 19*y^3*z - 16*z^2 + 9*y*z^2 + 3*y^2*z^2 + 8*y^3*z^2 + 24*z^3 - 27*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*Zeta[3])/ (y^2*(-1 + y + z)^2)))/Nc + Nc*(((I/1080)*Pi^4*y*(-21 + 21*y - 941*z + 962*z^2))/(-1 + y + z)^2 - (2*Pi*(68*y - 68*y^2 + 71*z - 142*y*z + 74*y^2*z - 71*z^2 + 74*y*z^2))/ (3*(-1 + y)*(y + z)) + ((I/3)*(172*y - 172*y^2 + 187*z - 374*y*z + 202*y^2*z - 187*z^2 + 202*y*z^2))/((-1 + y)*(y + z)) + (Pi^3*(-84 + 174*y - 90*y^2 + 261*z - 355*y*z + 93*y^2*z - 270*z^2 + 181*y*z^2 + 93*z^3))/(18*(-1 + y + z)^2) - ((I/216)*Pi^2*(4*y - 12*y^2 - 37*y^3 + 135*y^4 - 135*y^5 + 45*y^6 + 4*z - 24*y*z + 4201*y^2*z - 12692*y^3*z + 12945*y^4*z - 4524*y^5*z + 90*y^6*z - 12*z^2 + 4183*y*z^2 - 25417*y^2*z^2 + 42057*y^3*z^2 - 25410*y^4*z^2 + 4599*y^5*z^2 + 98*z^3 - 13013*y*z^3 + 42336*y^2*z^3 - 41757*y^3*z^3 + 12489*y^4*z^3 - 270*z^4 + 13629*y*z^4 - 25695*y^2*z^4 + 12489*y^3*z^4 + 270*z^5 - 4869*y*z^5 + 4599*y^2*z^5 - 90*z^6 + 90*y*z^6))/ ((-1 + y)*y*z*(-1 + y + z)^2*(y + z)) - (((4*I)/9)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, z])/(y^2*(-1 + y + z)^2) + G[0, 0, z]* (((I/18)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + ((I/6)*(16*y - 16*y^2 - 25*z - 29*y*z + 13*y^2*z + 50*z^2 + 13*y*z^2 - 25*z^3))/(y*(-1 + y + z)) - (2*Pi*(3*y - 3*y^2 + 10*z - 21*y*z + 18*y^2*z - 20*z^2 + 18*y*z^2 + 10*z^3))/(3*y*(-1 + y + z)) + ((I/3)*(-1 + z)*z* (8 - 24*y + 24*y^2 + y^3 - 24*z + 48*y*z - 24*y^2*z + 24*z^2 - 24*y*z^2 - 8*z^3)*G[0, 1, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-9 + 27*y - 27*y^2 + y^3 + 27*z - 54*y*z + 27*y^2*z - 27*z^2 + 27*y*z^2 + 9*z^3)*G[1, 0, y])/ (y^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[1, 1, y])/ y^2) + G[0, 1 - y, z]*((Pi*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 5*z^2 + 30*y*z^2 - 18*y^2*z^2 + 3*y^3*z^2 + 15*z^3 - 30*y*z^3 + 8*y^2*z^3 - 15*z^4 + 10*y*z^4 + 5*z^5))/(3*y^2*z*(-1 + y + z)) - ((I/36)*(4*y - 12*y^2 - 50*y^3 + 190*y^4 - 198*y^5 + 66*y^6 + 4*z - 22*y*z + 240*y^2*z - 427*y^3*z + 346*y^4*z - 285*y^5*z + 144*y^6*z - 10*z^2 + 980*y*z^2 - 3189*y^2*z^2 + 3532*y^3*z^2 - 1349*y^4*z^2 + 36*y^5*z^2 + 870*z^3 - 5332*y*z^3 + 9074*y^2*z^3 - 5407*y^3*z^3 + 642*y^4*z^3 - 2580*z^4 + 8660*y*z^4 - 8699*y^2*z^4 + 2466*y^3*z^4 + 2574*z^5 - 5148*y*z^5 + 2574*y^2*z^5 - 858*z^6 + 858*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)* (y + z)) - ((I/36)*Pi^2*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 3*y^3*z^2 - 15*y^4*z^2 + 12*y^5*z^2 + 166*z^3 - 498*y*z^3 + 498*y^2*z^3 - 209*y^3*z^3 + 12*y^4*z^3 - 664*z^4 + 1494*y*z^4 - 996*y^2*z^4 + 206*y^3*z^4 + 996*z^5 - 1494*y*z^5 + 498*y^2*z^5 - 664*z^6 + 498*y*z^6 + 166*z^7))/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 13*z^3 - 39*y*z^3 + 39*y^2*z^3 - 12*y^3*z^3 + 6*y^4*z^3 - 52*z^4 + 117*y*z^4 - 78*y^2*z^4 + 9*y^3*z^4 + 78*z^5 - 117*y*z^5 + 39*y^2*z^5 - 52*z^6 + 39*y*z^6 + 13*z^7)*G[1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)* G[1, 1, y])/y^2) + G[1, 0, z]* (((I/18)*Pi^2*(-1 + z)*z*(-83 + 249*y - 249*y^2 + 9*y^3 + 249*z - 498*y*z + 249*y^2*z - 249*z^2 + 249*y*z^2 + 83*z^3))/ (y^2*(-1 + y + z)^2) - (Pi*(6*y - 6*y^2 + 5*z - 33*y*z + 33*y^2*z - 12*y^3*z + 6*y^4*z - 20*z^2 + 63*y*z^2 - 48*y^2*z^2 + 12*y^3*z^2 + 30*z^3 - 51*y*z^3 + 21*y^2*z^3 - 20*z^4 + 15*y*z^4 + 5*z^5))/(3*y^2*(-1 + y + z)^2) - ((I/36)*(4*y - 16*y^2 + 156*y^3 - 408*y^4 + 396*y^5 - 132*y^6 + 4*z - 30*y*z + 209*y^2*z - 606*y^3*z + 555*y^4*z - 132*y^6*z - 14*z^2 + 1086*y*z^2 - 4234*y^2*z^2 + 5814*y^3*z^2 - 1872*y^4*z^2 - 972*y^5*z^2 + 192*y^6*z^2 + 880*z^3 - 7486*y*z^3 + 17706*y^2*z^3 - 15714*y^3*z^3 + 3885*y^4*z^3 + 576*y^5*z^3 - 3450*z^4 + 17052*y*z^4 - 27000*y^2*z^4 + 15486*y^3*z^4 - 2088*y^4*z^4 + 5154*z^5 - 16722*y*z^5 + 16857*y^2*z^5 - 5136*y^3*z^5 - 3432*z^6 + 6954*y*z^6 - 3522*y^2*z^6 + 858*z^7 - 858*y*z^7))/((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)) - (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, y])/(y^2*(-1 + y + z)^2)) + G[0, -y, z]* (((I/2)*(-1 + y + z)*(y + 10*z - 10*z^2)*G[1, 0, y])/y^2 + ((I/6)*(-1 + y + z)*(6*y^3 + 12*y^3*z - 3*y*z^2 + 10*z^3 - 10*z^4)* G[1, 1, y])/(y^2*z^2)) + (((7*I)/6)*Pi^2*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, z])/ (y^2*(-1 + y + z)^2) + ((I/12)*Pi^2*(-y + 3*y^2 - 4*y^3 + 2*y^4 - 16*z + 51*y*z - 54*y^2*z + 4*y^3*z + 64*z^2 - 147*y*z^2 + 99*y^2*z^2 - 96*z^3 + 145*y*z^3 - 48*y^2*z^3 + 64*z^4 - 48*y*z^4 - 16*z^5)*G[1, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((Pi*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 5*z^2 + 30*y*z^2 - 18*y^2*z^2 + 3*y^3*z^2 + 15*z^3 - 30*y*z^3 + 8*y^2*z^3 - 15*z^4 + 10*y*z^4 + 5*z^5))/(3*y^2*z*(-1 + y + z)) - ((I/36)*(4*y - 12*y^2 - 50*y^3 + 190*y^4 - 198*y^5 + 66*y^6 + 4*z - 22*y*z + 240*y^2*z - 427*y^3*z + 346*y^4*z - 285*y^5*z + 144*y^6*z - 10*z^2 + 980*y*z^2 - 3189*y^2*z^2 + 3532*y^3*z^2 - 1349*y^4*z^2 + 36*y^5*z^2 + 870*z^3 - 5332*y*z^3 + 9074*y^2*z^3 - 5407*y^3*z^3 + 642*y^4*z^3 - 2580*z^4 + 8660*y*z^4 - 8699*y^2*z^4 + 2466*y^3*z^4 + 2574*z^5 - 5148*y*z^5 + 2574*y^2*z^5 - 858*z^6 + 858*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)* (y + z)) - ((I/36)*Pi^2*(-11*y^3 + 33*y^4 - 33*y^5 + 11*y^6 + 11*y^3*z - 33*y^5*z + 22*y^6*z + 33*y^3*z^2 - 99*y^4*z^2 + 66*y^5*z^2 + 166*z^3 - 498*y*z^3 + 498*y^2*z^3 - 205*y^3*z^3 + 66*y^4*z^3 - 664*z^4 + 1494*y*z^4 - 996*y^2*z^4 + 172*y^3*z^4 + 996*z^5 - 1494*y*z^5 + 498*y^2*z^5 - 664*z^6 + 498*y*z^6 + 166*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[1 - y, 0, z] - ((I/18)*Pi^2*(-1 + z)*z*(-15 + 45*y - 45*y^2 + 17*y^3 + 45*z - 90*y*z + 45*y^2*z - 45*z^2 + 45*y*z^2 + 15*z^3)*G[1 - y, 1, z])/ (y^2*(-1 + y + z)^2) + ((2*Pi*(-5*y + 5*y^2 + 10*z + 3*y*z + 10*y^2*z - 20*z^2 + 2*y*z^2 + 10*z^3))/(3*y*z) + ((I/12)*(49*y^3 - 49*y^4 + 112*y^2*z - 273*y^3*z + 50*y^4*z + 149*y*z^2 - 499*y^2*z^2 + 226*y^3*z^2 + 50*z^3 - 375*y*z^3 + 352*y^2*z^3 - 100*z^4 + 226*y*z^4 + 50*z^5))/ (y*z*(y + z)^2) + ((I/36)*Pi^2*(-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 + 18*y^3*z - 54*y^5*z + 36*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 63*y^3*z^2 - 165*y^4*z^2 + 108*y^5*z^2 + 36*z^3 - 117*y*z^3 + 126*y^2*z^3 - 127*y^3*z^3 + 108*y^4*z^3 - 144*z^4 + 333*y*z^4 - 225*y^2*z^4 + 64*y^3*z^4 + 216*z^5 - 327*y*z^5 + 108*y^2*z^5 - 144*z^6 + 108*y*z^6 + 36*z^7))/(y^2*z^2*(-1 + y + z)^2))* G[1 - y, 1 - y, z] + ((((91*I)/36)*Pi^2*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(y^2*z^2) - (Pi*(31*y^3 - 31*y^4 + 18*y^2*z - 41*y^3*z + 10*y^4*z + 12*y*z^2 - 24*y^2*z^2 + 10*y^3*z^2 + 10*z^3 - 22*y*z^3 + 12*y^2*z^3 - 20*z^4 + 10*y*z^4 + 10*z^5))/(6*y^2*z^2) + ((I/36)*(4*y - 10*y^2 + 123*y^3 - 339*y^4 + 333*y^5 - 111*y^6 + 4*z - 20*y*z + 184*y^2*z - 1455*y^3*z + 3270*y^4*z - 2841*y^5*z + 858*y^6*z - 10*z^2 + 94*y*z^2 - 393*y^2*z^2 + 2061*y^3*z^2 - 3378*y^4*z^2 + 1626*y^5*z^2 + 870*z^3 - 2622*y*z^3 + 2436*y^2*z^3 - 1233*y^3*z^3 + 396*y^4*z^3 - 2580*z^4 + 5886*y*z^4 - 3855*y^2*z^4 + 396*y^3*z^4 + 2574*z^5 - 4200*y*z^5 + 1626*y^2*z^5 - 858*z^6 + 858*y*z^6))/((-1 + y)*y^2*z^2* (-1 + y + z)))*G[-y, 1 - y, z] + G[0, 0, y]* (((I/36)*Pi^2*y*(-3 + 3*y + z + 2*z^2))/(-1 + y + z)^2 - (2*Pi*(-5*y + 5*y^2 + 18*z - 13*y*z + 10*y^2*z - 36*z^2 + 18*y*z^2 + 18*z^3))/(3*z*(-1 + y + z)) - ((I/12)*(49*y - 147*y^2 + 147*y^3 - 49*y^4 - 62*z + 101*y*z + 34*y^2*z - 123*y^3*z + 50*y^4*z + 124*z^2 - 202*y*z^2 + 104*y^2*z^2 - 26*y^3*z^2 - 62*z^3 + 52*y*z^3 - 26*y^2*z^3))/((-1 + y)^2*z*(-1 + y + z)) - ((6*I)*y*(-1 + z)*z*G[0, 0, z])/(-1 + y + z)^2 - ((I/6)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 21*y^3*z^2 - 57*y^4*z^2 + 36*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 11*y^3*z^3 + 36*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 10*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)*G[0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 29*y^3*z^3 + 54*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 + 2*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)* G[1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) + ((3*I)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, z])/z^2 - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, z])/ (y^2*z^2)) + G[1, 1, y]*((2*Pi*(-5*y + 5*y^2 + 10*z + 3*y*z + 10*y^2*z - 20*z^2 + 2*y*z^2 + 10*z^3))/(3*y*z) - ((I/12)*Pi^2*(-y + 3*y^2 - 3*y^3 + y^4 - 12*z + 39*y*z - 42*y^2*z + 13*y^3*z + 48*z^2 - 111*y*z^2 + 75*y^2*z^2 - 10*y^3*z^2 - 72*z^3 + 109*y*z^3 - 36*y^2*z^3 + 48*z^4 - 36*y*z^4 - 12*z^5))/ (y^2*(-1 + y + z)^2) + ((I/12)*(49*y^3 - 49*y^4 + 112*y^2*z - 273*y^3*z + 50*y^4*z + 149*y*z^2 - 499*y^2*z^2 + 226*y^3*z^2 + 50*z^3 - 375*y*z^3 + 352*y^2*z^3 - 100*z^4 + 226*y*z^4 + 50*z^5))/ (y*z*(y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, z])/ y^2 - (((8*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)* (9*y^3 + 18*y^3*z + 16*z^3 - 16*z^4)*G[-y, 0, z])/(y^2*z^2) - ((3*I)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, z])/ (y^2*z^2) - ((I/6)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4)*G[-y, -y, z])/(y^2*z^2)) + G[0, 1, y]*(((-1/36*I)*Pi^2*(-3*y^3 + 3*y^4 - 178*z + 534*y*z - 534*y^2*z + 161*y^3*z + 712*z^2 - 1602*y*z^2 + 1068*y^2*z^2 - 158*y^3*z^2 - 1068*z^3 + 1602*y*z^3 - 534*y^2*z^3 + 712*z^4 - 534*y*z^4 - 178*z^5))/(y^2*(-1 + y + z)^2) - (Pi*(-2*y^2 + 2*y^3 - 2*y*z + 10*y^2*z - 2*y^3*z - 5*z^2 + 10*y*z^2 - 16*y^2*z^2 + 3*y^3*z^2 + 15*z^3 - 14*y*z^3 + 8*y^2*z^3 - 15*z^4 + 6*y*z^4 + 5*z^5))/(3*y^2*z*(-1 + y + z)) - ((I/36)*(-4*y + 8*y^2 - 8*y^3 + 53*y^4 - 94*y^5 + 45*y^6 - 4*z + 18*y*z - 122*y^2*z + 636*y^3*z - 826*y^4*z + 208*y^5*z + 90*y^6*z + 10*z^2 - 804*y*z^2 + 2585*y^2*z^2 - 2984*y^3*z^2 + 1082*y^4*z^2 + 444*y^5*z^2 - 870*z^3 + 4762*y*z^3 - 7706*y^2*z^3 + 4450*y^3*z^3 - 150*y^4*z^3 + 2580*z^4 - 8028*y*z^4 + 7587*y^2*z^4 - 1986*y^3*z^4 - 2574*z^5 + 4914*y*z^5 - 2340*y^2*z^5 + 858*z^6 - 858*y*z^6))/ ((-1 + y)*y^2*z*(-1 + y + z)*(y + z)) - ((I/6)*(-3*y^3 + 3*y^4 + 20*z - 60*y*z + 60*y^2*z - 65*y^3*z - 80*z^2 + 180*y*z^2 - 120*y^2*z^2 + 68*y^3*z^2 + 120*z^3 - 180*y*z^3 + 60*y^2*z^3 - 80*z^4 + 60*y*z^4 + 20*z^5)* G[0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, -y, z])/z^2 + ((3*I)*y*(-1 + z)*z*G[1, 0, z])/(-1 + y + z)^2 + ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 18*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[1, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/6)*(-13*y^3 + 39*y^4 - 39*y^5 + 13*y^6 + 13*y^3*z - 39*y^5*z + 26*y^6*z + 39*y^3*z^2 - 117*y^4*z^2 + 78*y^5*z^2 + 20*z^3 - 60*y*z^3 + 60*y^2*z^3 - 77*y^3*z^3 + 78*y^4*z^3 - 80*z^4 + 180*y*z^4 - 120*y^2*z^4 + 38*y^3*z^4 + 120*z^5 - 180*y*z^5 + 60*y^2*z^5 - 80*z^6 + 60*y*z^6 + 20*z^7)*G[1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/2)*(-1 + y + z)*(5*y^3 + 10*y^3*z - y*z^2 + 2*z^3 - 2*z^4)*G[1 - y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(13*y^3 + 26*y^3*z + 8*z^3 - 8*z^4)* G[-y, 1 - y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)* (19*y^3 + 38*y^3*z - 20*z^3 + 20*z^4)*G[-y, -y, z])/(y^2*z^2)) + G[1, 0, y]*(((I/36)*Pi^2*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 22*z + 75*y*z - 84*y^2*z + 163*y^3*z + 88*z^2 - 207*y*z^2 + 141*y^2*z^2 - 154*y^3*z^2 - 132*z^3 + 201*y*z^3 - 66*y^2*z^3 + 88*z^4 - 66*y*z^4 - 22*z^5))/(y^2*(-1 + y + z)^2) - (Pi*(2*y - 4*y^2 + 2*y^3 - 4*z + 4*y*z + 2*y^2*z - 2*y^3*z + 16*z^2 - 15*y*z^2 + y^2*z^2 + 3*y^3*z^2 - 24*z^3 + 10*y*z^3 + y^2*z^3 + 16*z^4 - y*z^4 - 4*z^5))/(3*y*z*(-1 + y + z)^2) + ((I/36)*(37*y^2 - 164*y^3 + 258*y^4 - 176*y^5 + 45*y^6 + 116*y*z - 232*y^2*z - 180*y^3*z + 684*y^4*z - 478*y^5*z + 90*y^6*z + 412*z^2 - 1934*y*z^2 + 2477*y^2*z^2 - 1288*y^3*z^2 + 237*y^4*z^2 + 96*y^5*z^2 - 1380*z^3 + 4426*y*z^3 - 4984*y^2*z^3 + 2778*y^3*z^3 - 1020*y^4*z^3 + 1664*z^4 - 3676*y*z^4 + 3086*y^2*z^4 - 1254*y^3*z^4 - 840*z^5 + 1212*y*z^5 - 372*y^2*z^5 + 144*z^6 - 144*y*z^6))/((-1 + y)*y*z*(-1 + y + z)^2* (y + z)) - ((3*I)*(-1 + z)*z*(-1 + y + z)*G[1, 0, z])/y^2 - ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 44*z + 141*y*z - 150*y^2*z + 30*y^3*z + 176*z^2 - 405*y*z^2 + 273*y^2*z^2 - 18*y^3*z^2 - 264*z^3 + 399*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y*z^4 - 44*z^5)* G[1, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 13*z^3 + 39*y*z^3 - 39*y^2*z^3 + 4*y^3*z^3 + 6*y^4*z^3 + 52*z^4 - 117*y*z^4 + 78*y^2*z^4 - 7*y^3*z^4 - 78*z^5 + 117*y*z^5 - 39*y^2*z^5 + 52*z^6 - 39*y*z^6 - 13*z^7)*G[1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 18*y^3*z^2 - 30*y^4*z^2 + 18*y^5*z^2 + 44*z^3 - 141*y*z^3 + 150*y^2*z^3 - 60*y^3*z^3 + 18*y^4*z^3 - 176*z^4 + 405*y*z^4 - 273*y^2*z^4 + 42*y^3*z^4 + 264*z^5 - 399*y*z^5 + 132*y^2*z^5 - 176*z^6 + 132*y*z^6 + 44*z^7)*G[1 - y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, z])/(y^2*z^2) + (((13*I)/6)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(21*y^3 + 42*y^3*z - 26*z^3 + 26*z^4)*G[-y, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 - 22*z^3 + 22*z^4)* G[-y, -y, z])/(y^2*z^2)) - (I*(-3*y + 3*y^2 + 10*z - 7*y*z + 6*y^2*z - 20*z^2 + 10*y*z^2 + 10*z^3)*G[0, 0, 0, y])/ (z*(-1 + y + z)) - (I*(y - y^2 + 6*z - 11*y*z + 10*y^2*z - 12*z^2 + 10*y*z^2 + 6*z^3)*G[0, 0, 0, z])/(y*(-1 + y + z)) + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/36)*(60*y^2 - 174*y^3 + 96*y^4 + 156*y^5 - 204*y^6 + 66*y^7 - 120*y*z + 432*y^2*z - 747*y^3*z + 717*y^4*z - 189*y^5*z - 225*y^6*z + 132*y^7*z - 402*z^2 + 2430*y*z^2 - 5574*y^2*z^2 + 6127*y^3*z^2 - 3200*y^4*z^2 + 577*y^5*z^2 + 42*y^6*z^2 + 1584*z^3 - 7374*y*z^3 + 13068*y^2*z^3 - 10381*y^3*z^3 + 3497*y^4*z^3 - 394*y^5*z^3 - 2364*z^4 + 8718*y*z^4 - 11724*y^2*z^4 + 6417*y^3*z^4 - 1200*y^4*z^4 + 1576*z^5 - 4442*y*z^5 + 4156*y^2*z^5 - 1290*y^3*z^5 - 394*z^6 + 788*y*z^6 - 394*y^2*z^6))/((-1 + y)^2*y^2*z*(-1 + y + z)^2))*G[0, 0, 1, y] + ((20*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 19*z^2 + 44*y*z^2 - 2*y^2*z^2 + 9*y^3*z^2 + 57*z^3 - 58*y*z^3 - 8*y^2*z^3 - 57*z^4 + 24*y*z^4 + 19*z^5))/ (y^2*z*(-1 + y + z)))*G[0, 0, 1 - y, z] + ((4*Pi*(-1 + z)*z*(1 - 3*y + 3*y^2 + 3*y^3 - 3*z + 6*y*z - 3*y^2*z + 3*z^2 - 3*y*z^2 - z^3))/(3*y^2*(-1 + y + z)^2) - ((I/36)*(-78*y^4 + 234*y^5 - 234*y^6 + 78*y^7 - 135*y^3*z + 426*y^4*z - 399*y^5*z + 60*y^6*z + 48*y^7*z + 274*y^2*z^2 - 841*y^3*z^2 + 1083*y^4*z^2 - 752*y^5*z^2 + 2*y^6*z^2 + 234*y^7*z^2 + 254*y*z^3 - 1650*y^2*z^3 + 3058*y^3*z^3 - 2086*y^4*z^3 - 162*y^5*z^3 + 646*y^6*z^3 + 76*z^4 - 1062*y*z^4 + 3152*y^2*z^4 - 2924*y^3*z^4 + 180*y^4*z^4 + 698*y^5*z^4 - 292*z^5 + 1774*y*z^5 - 2718*y^2*z^5 + 1010*y^3*z^5 + 286*y^4*z^5 + 432*z^6 - 1434*y*z^6 + 1182*y^2*z^6 - 180*y^3*z^6 - 288*z^7 + 540*y*z^7 - 252*y^2*z^7 + 72*z^8 - 72*y*z^8))/ ((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[0, 1, 0, y] + ((-16*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) - ((I/36)*(132*y^4 - 528*y^5 + 792*y^6 - 528*y^7 + 132*y^8 + 288*y^3*z - 1128*y^4*z + 1392*y^5*z - 288*y^6*z - 528*y^7*z + 264*y^8*z + 178*y^2*z^2 - 920*y^3*z^2 + 814*y^4*z^2 + 1332*y^5*z^2 - 2244*y^6*z^2 + 768*y^7*z^2 + 72*y^8*z^2 + 371*y*z^3 - 2345*y^2*z^3 + 4816*y^3*z^3 - 3694*y^4*z^3 + 1104*y^5*z^3 - 540*y^6*z^3 + 288*y^7*z^3 + 196*z^4 - 2515*y*z^4 + 8936*y^2*z^4 - 13742*y^3*z^4 + 11292*y^4*z^4 - 5334*y^5*z^4 + 1014*y^6*z^4 - 796*z^5 + 5687*y*z^5 - 13881*y^2*z^5 + 15910*y^3*z^5 - 9260*y^4*z^5 + 2034*y^5*z^5 + 1200*z^6 - 5725*y*z^6 + 9688*y^2*z^6 - 7334*y^3*z^6 + 2018*y^4*z^6 - 800*z^7 + 2582*y*z^7 - 2764*y^2*z^7 + 982*y^3*z^7 + 200*z^8 - 400*y*z^8 + 200*y^2*z^8))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[0, 1, 0, z] + ((-20*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/12)*(26*y^3 - 48*y^4 + 22*y^5 + 37*y^2*z - 58*y^3*z - 35*y^4*z + 44*y^5*z + 69*y*z^2 - 168*y^2*z^2 + 15*y^3*z^2 + 86*y^4*z^2 + 38*z^3 - 272*y*z^3 + 295*y^2*z^3 - 26*y^3*z^3 - 114*z^4 + 337*y*z^4 - 164*y^2*z^4 + 114*z^5 - 134*y*z^5 - 38*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[0, 1, 1, y] + ((20*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 19*z^2 + 44*y*z^2 - 2*y^2*z^2 + 9*y^3*z^2 + 57*z^3 - 58*y*z^3 - 8*y^2*z^3 - 57*z^4 + 24*y*z^4 + 19*z^5))/ (y^2*z*(-1 + y + z)))*G[0, 1 - y, 0, z] + ((20*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/12)*(18*y^3 - 36*y^4 + 18*y^5 + 45*y^2*z - 42*y^3*z - 39*y^4*z + 36*y^5*z + 85*y*z^2 - 204*y^2*z^2 + 19*y^3*z^2 + 78*y^4*z^2 + 38*z^3 - 312*y*z^3 + 331*y^2*z^3 - 26*y^3*z^3 - 114*z^4 + 369*y*z^4 - 172*y^2*z^4 + 114*z^5 - 142*y*z^5 - 38*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[0, 1 - y, 1 - y, z] + ((4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4))/(3*y^2*z^2) + ((I/36)*(-70*y^4 + 280*y^5 - 420*y^6 + 280*y^7 - 70*y^8 - 244*y^3*z + 1216*y^4*z - 2524*y^5*z + 2716*y^6*z - 1504*y^7*z + 340*y^8*z - 6*y^2*z^2 + 750*y^3*z^2 - 3049*y^4*z^2 + 5024*y^5*z^2 - 3871*y^6*z^2 + 1152*y^7*z^2 + 386*y*z^3 - 1592*y^2*z^3 + 1635*y^3*z^3 + 1186*y^4*z^3 - 2569*y^5*z^3 + 954*y^6*z^3 + 182*z^4 - 1880*y*z^4 + 4964*y^2*z^4 - 4966*y^3*z^4 + 1587*y^4*z^4 - 40*y^5*z^4 - 546*z^5 + 2966*y*z^5 - 5218*y^2*z^5 + 3389*y^3*z^5 - 744*y^4*z^5 + 546*z^6 - 1836*y*z^6 + 2034*y^2*z^6 - 744*y^3*z^6 - 182*z^7 + 364*y*z^7 - 182*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[0, -y, 1 - y, z] + ((20*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2) - ((I/12)*(-4*y - 10*y^2 + 54*y^3 - 62*y^4 + 22*y^5 + 8*z - 40*y*z + 69*y^2*z - 6*y^3*z - 75*y^4*z + 44*y^5*z - 32*z^2 + 98*y*z^2 - 39*y^2*z^2 - 161*y^3*z^2 + 134*y^4*z^2 + 48*z^3 - 68*y*z^3 - 30*y^2*z^3 + 70*y^3*z^3 - 32*z^4 + 22*y*z^4 + 10*y^2*z^4 + 8*z^5 - 8*y*z^5))/((-1 + y)*y*z*(-1 + y + z)^2))*G[1, 0, 0, y] + ((-20*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) - ((I/6)*(6*y - 6*y^2 + 19*z - 83*y*z + 95*y^2*z - 36*y^3*z + 18*y^4*z - 76*z^2 + 213*y*z^2 - 172*y^2*z^2 + 36*y^3*z^2 + 114*z^3 - 201*y*z^3 + 83*y^2*z^3 - 76*z^4 + 65*y*z^4 + 19*z^5))/(y^2*(-1 + y + z)^2))* G[1, 0, 0, z] + ((-4*Pi*(-1 + z)*z*(-4 + 12*y - 12*y^2 + 3*y^3 + 12*z - 24*y*z + 12*y^2*z - 12*z^2 + 12*y*z^2 + 4*z^3))/ (3*y^2*(-1 + y + z)^2) - ((I/36)*(78*y^3 - 312*y^4 + 468*y^5 - 312*y^6 + 78*y^7 + 165*y^2*z - 789*y^3*z + 1329*y^4*z - 903*y^5*z + 150*y^6*z + 48*y^7*z + 343*y*z^2 - 2168*y^2*z^2 + 4837*y^3*z^2 - 5378*y^4*z^2 + 3436*y^5*z^2 - 1304*y^6*z^2 + 234*y^7*z^2 + 196*z^3 - 2367*y*z^3 + 8139*y^2*z^3 - 12708*y^3*z^3 + 10866*y^4*z^3 - 5118*y^5*z^3 + 992*y^6*z^3 - 796*z^4 + 5423*y*z^4 - 12646*y^2*z^4 + 14150*y^3*z^4 - 8020*y^4*z^4 + 1736*y^5*z^4 + 1200*z^5 - 5525*y*z^5 + 8974*y^2*z^5 - 6506*y^3*z^5 + 1704*y^4*z^5 - 800*z^6 + 2526*y*z^6 - 2652*y^2*z^6 + 926*y^3*z^6 + 200*z^7 - 400*y*z^7 + 200*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)))* G[1, 0, 1, y] + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)* (-2 + 6*y - 6*y^2 + 4*y^3 + 6*z - 6*y*z - 12*y^2*z + 12*y^3*z - 6*z^2 + 21*y*z^2 - 63*y^2*z^2 + 54*y^3*z^2 + 45*z^3 - 144*y*z^3 + 78*y^2*z^3 + 92*y^3*z^3 - 129*z^4 + 219*y*z^4 + 3*y^2*z^4 + 129*z^5 - 96*y*z^5 - 43*z^6))/(y^2*z^2*(-1 + y + z)^2))* G[1, 0, 1 - y, z] + ((-4*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2) + ((I/36)*(-126*y^4 + 318*y^5 - 258*y^6 + 66*y^7 - 153*y^3*z + 573*y^4*z - 315*y^5*z - 237*y^6*z + 132*y^7*z + 290*y^2*z^2 - 951*y^3*z^2 + 1980*y^4*z^2 - 1979*y^5*z^2 + 882*y^6*z^2 + 172*y*z^3 - 2078*y^2*z^3 + 5577*y^3*z^3 - 5557*y^4*z^3 + 2126*y^5*z^3 + 8*z^4 - 880*y*z^4 + 5244*y^2*z^4 - 7871*y^3*z^4 + 3220*y^4*z^4 - 8*z^5 + 1704*y*z^5 - 5406*y^2*z^5 + 3350*y^3*z^5 - 1416*y*z^6 + 1926*y^2*z^6 + 420*y*z^7))/(y^2*z*(-1 + y + z)^2* (y + z)^2))*G[1, 1, 0, y] - ((I/18)*(-1 + z)^2* (-2 + 6*y - 6*y^2 + 4*z - 6*y^2*z - 2*z^2 - 15*y*z^2 + 9*y^2*z^2 + 9*z^3 - 60*y*z^3 + 69*y^2*z^3 - 18*z^4 + 69*y*z^4 + 9*z^5)* G[1, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) + (I*(-3*y + 3*y^2 + 6*z + y*z + 6*y^2*z - 12*z^2 + 2*y*z^2 + 6*z^3)* G[1, 1, 1, y])/(y*z) + G[-y, z]* (((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/36)*(-28*y^4 + 84*y^5 - 84*y^6 + 28*y^7 - 142*y^3*z + 454*y^4*z - 414*y^5*z + 34*y^6*z + 68*y^7*z - 75*y^2*z^2 + 367*y^3*z^2 - 195*y^4*z^2 - 519*y^5*z^2 + 422*y^6*z^2 + 65*y*z^3 - 102*y^2*z^3 + 519*y^3*z^3 - 1394*y^4*z^3 + 960*y^5*z^3 + 62*z^4 - 323*y*z^4 + 711*y^2*z^4 - 1364*y^3*z^4 + 1034*y^4*z^4 - 224*z^5 + 651*y*z^5 - 840*y^2*z^5 + 596*y^3*z^5 + 324*z^6 - 561*y*z^6 + 282*y^2*z^6 - 216*z^7 + 168*y*z^7 + 54*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))* G[0, 1, y] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (3*y^2*z^2) + ((I/36)*(-41*y^4 + 111*y^5 - 111*y^6 + 37*y^7 - 29*y^3*z + 134*y^4*z - 87*y^5*z - 104*y^6*z + 86*y^7*z - 138*y^2*z^2 + 299*y^3*z^2 + 87*y^4*z^2 - 666*y^5*z^2 + 410*y^6*z^2 - 110*y*z^3 + 762*y^2*z^3 - 759*y^3*z^3 - 494*y^4*z^3 + 648*y^5*z^3 + 76*z^4 + 194*y*z^4 - 1140*y^2*z^4 + 631*y^3*z^4 + 284*y^4*z^4 - 292*z^5 + 114*y*z^5 + 534*y^2*z^5 - 154*y^3*z^5 + 432*z^6 - 354*y*z^6 - 30*y^2*z^6 - 288*z^7 + 156*y*z^7 + 72*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))* G[1, 0, y] + ((-10*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (3*y^2*z^2) - ((I/12)*(55*y^3 - 55*y^4 + 54*y^2*z - 93*y^3*z + 38*y^4*z - 5*y*z^2 - 15*y^2*z^2 + 22*y^3*z^2 + 38*z^3 - 17*y*z^3 + 4*y^2*z^3 - 76*z^4 + 22*y*z^4 + 38*z^5))/(y^2*z^2))* G[1, 1, y] - (((5*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 0, 1, y])/(y^2*z^2) - (((13*I)/6)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 1, 0, y])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(13*y^3 + 26*y^3*z + 8*z^3 - 8*z^4)* G[0, 1, 1, y])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 0, 0, y])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(13*y^3 + 26*y^3*z + 8*z^3 - 8*z^4)* G[1, 0, 1, y])/(y^2*z^2) - ((I/6)*(-1 + y + z)* (21*y^3 + 42*y^3*z - 26*z^3 + 26*z^4)*G[1, 1, 0, y])/(y^2*z^2) - ((3*I)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 1, 1, y])/ (y^2*z^2)) + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)* (-2 + 6*y - 6*y^2 + 4*y^3 + 6*z - 6*y*z - 12*y^2*z + 12*y^3*z - 6*z^2 + 21*y*z^2 - 63*y^2*z^2 + 54*y^3*z^2 + 45*z^3 - 144*y*z^3 + 78*y^2*z^3 + 92*y^3*z^3 - 129*z^4 + 219*y*z^4 + 3*y^2*z^4 + 129*z^5 - 96*y*z^5 - 43*z^6))/(y^2*z^2*(-1 + y + z)^2))* G[1, 1 - y, 0, z] + ((20*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 19*z^2 + 44*y*z^2 - 2*y^2*z^2 + 9*y^3*z^2 + 57*z^3 - 58*y*z^3 - 8*y^2*z^3 - 57*z^4 + 24*y*z^4 + 19*z^5))/ (y^2*z*(-1 + y + z)))*G[1 - y, 0, 0, z] + ((20*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/12)*(18*y^3 - 36*y^4 + 18*y^5 + 45*y^2*z - 42*y^3*z - 39*y^4*z + 36*y^5*z + 85*y*z^2 - 204*y^2*z^2 + 19*y^3*z^2 + 78*y^4*z^2 + 38*z^3 - 312*y*z^3 + 331*y^2*z^3 - 26*y^3*z^3 - 114*z^4 + 369*y*z^4 - 172*y^2*z^4 + 114*z^5 - 142*y*z^5 - 38*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 0, 1 - y, z] + ((-8*Pi*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3))/(3*y^2*(-1 + y + z)^2) + ((I/36)*(-132*y^4 + 792*y^5 - 1848*y^6 + 2112*y^7 - 1188*y^8 + 264*y^9 - 270*y^3*z + 1746*y^4*z - 4014*y^5*z + 3738*y^6*z - 540*y^7*z - 1188*y^8*z + 528*y^9*z - 128*y^2*z^2 + 1036*y^3*z^2 - 1976*y^4*z^2 - 1116*y^5*z^2 + 7032*y^6*z^2 - 7224*y^7*z^2 + 2376*y^8*z^2 - 325*y*z^3 + 1711*y^2*z^3 - 2594*y^3*z^3 - 2446*y^4*z^3 + 11838*y^5*z^3 - 12216*y^6*z^3 + 4032*y^7*z^3 - 182*z^4 + 2051*y*z^4 - 6106*y^2*z^4 + 5758*y^3*z^4 + 3324*y^4*z^4 - 8292*y^5*z^4 + 3294*y^6*z^4 + 728*z^5 - 4567*y*z^5 + 9379*y^2*z^5 - 6970*y^3*z^5 + 116*y^4*z^5 + 1008*y^5*z^5 - 1092*z^6 + 4645*y*z^6 - 6826*y^2*z^6 + 3752*y^3*z^6 - 632*y^4*z^6 + 728*z^7 - 2168*y*z^7 + 2152*y^2*z^7 - 712*y^3*z^7 - 182*z^8 + 364*y*z^8 - 182*y^2*z^8))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[1 - y, 1, 0, z] + ((20*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/12)*(18*y^3 - 36*y^4 + 18*y^5 + 45*y^2*z - 42*y^3*z - 39*y^4*z + 36*y^5*z + 85*y*z^2 - 204*y^2*z^2 + 19*y^3*z^2 + 78*y^4*z^2 + 38*z^3 - 312*y*z^3 + 331*y^2*z^3 - 26*y^3*z^3 - 114*z^4 + 369*y*z^4 - 172*y^2*z^4 + 114*z^5 - 142*y*z^5 - 38*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 1 - y, 0, z] + (I*(-3*y + 3*y^2 + 6*z + y*z + 6*y^2*z - 12*z^2 + 2*y*z^2 + 6*z^3)* G[1 - y, 1 - y, 1 - y, z])/(y*z) + ((-8*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/36)*(4 - 16*y + 24*y^2 - 144*y^3 + 516*y^4 - 768*y^5 + 512*y^6 - 128*y^7 - 12*z + 28*y*z - 180*y^2*z + 888*y^3*z - 1884*y^4*z + 1956*y^5*z - 996*y^6*z + 200*y^7*z + 12*z^2 - 47*y*z^2 + 442*y^2*z^2 - 1319*y^3*z^2 + 1858*y^4*z^2 - 1364*y^5*z^2 + 418*y^6*z^2 - 204*z^3 + 892*y*z^3 - 1546*y^2*z^3 + 1828*y^3*z^3 - 1296*y^4*z^3 + 326*y^5*z^3 + 600*z^4 - 2075*y*z^4 + 2496*y^2*z^4 - 1500*y^3*z^4 + 326*y^4*z^4 - 600*z^5 + 1618*y*z^5 - 1436*y^2*z^5 + 418*y^3*z^5 + 200*z^6 - 400*y*z^6 + 200*y^2*z^6))/((-1 + y)^2*y^2*z^2*(-1 + y + z)))* G[1 - y, -y, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/36)*(-26*y^4 + 90*y^5 - 90*y^6 + 30*y^7 + 40*y^3*z - 106*y^4*z + 156*y^5*z - 162*y^6*z + 72*y^7*z + 105*y^2*z^2 - 289*y^3*z^2 + 321*y^4*z^2 - 285*y^5*z^2 + 156*y^6*z^2 + 157*y*z^3 - 654*y^2*z^3 + 507*y^3*z^3 + 58*y^4*z^3 - 30*y^5*z^3 + 82*z^4 - 901*y*z^4 + 1641*y^2*z^4 - 530*y^3*z^4 - 154*y^4*z^4 - 340*z^5 + 1725*y*z^5 - 1728*y^2*z^5 + 284*y^3*z^5 + 516*z^6 - 1391*y*z^6 + 648*y^2*z^6 - 344*z^7 + 410*y*z^7 + 86*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 0, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/36)*(-26*y^4 + 90*y^5 - 90*y^6 + 30*y^7 + 40*y^3*z - 106*y^4*z + 156*y^5*z - 162*y^6*z + 72*y^7*z + 105*y^2*z^2 - 289*y^3*z^2 + 321*y^4*z^2 - 285*y^5*z^2 + 156*y^6*z^2 + 157*y*z^3 - 654*y^2*z^3 + 507*y^3*z^3 + 58*y^4*z^3 - 30*y^5*z^3 + 82*z^4 - 901*y*z^4 + 1641*y^2*z^4 - 530*y^3*z^4 - 154*y^4*z^4 - 340*z^5 + 1725*y*z^5 - 1728*y^2*z^5 + 284*y^3*z^5 + 516*z^6 - 1391*y*z^6 + 648*y^2*z^6 - 344*z^7 + 410*y*z^7 + 86*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 1 - y, 0, z] + ((-10*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/12)*(55*y^3 - 55*y^4 + 54*y^2*z - 93*y^3*z + 38*y^4*z - 5*y*z^2 - 15*y^2*z^2 + 22*y^3*z^2 + 38*z^3 - 17*y*z^3 + 4*y^2*z^3 - 76*z^4 + 22*y*z^4 + 38*z^5))/(y^2*z^2))* G[-y, 1 - y, 1 - y, z] - ((I/36)*(-13*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 126*y^2*z - 347*y^3*z + 354*y^4*z - 147*y^5*z + 18*y^6*z - 189*y*z^2 + 279*y^2*z^2 - 72*y^3*z^2 - 30*y^5*z^2 + 14*z^3 + 585*y*z^3 - 1206*y^2*z^3 + 900*y^3*z^3 - 282*y^4*z^3 - 68*z^4 - 645*y*z^4 + 1095*y^2*z^4 - 468*y^3*z^4 + 108*z^5 + 279*y*z^5 - 282*y^2*z^5 - 72*z^6 - 30*y*z^6 + 18*z^7)*G[-y, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-3*y^3 + 3*y^4 - 24*z + 72*y*z - 72*y^2*z - 17*y^3*z + 96*z^2 - 216*y*z^2 + 144*y^2*z^2 + 20*y^3*z^2 - 144*z^3 + 216*y*z^3 - 72*y^2*z^3 + 96*z^4 - 72*y*z^4 - 24*z^5)*G[0, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 1 - y, z])/y^2 - ((I/2)*(-y^3 + y^4 + 6*z - 18*y*z + 18*y^2*z - 3*y^3*z - 24*z^2 + 54*y*z^2 - 36*y^2*z^2 + 4*y^3*z^2 + 36*z^3 - 54*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5)*G[0, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) - (I*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((10*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, 1, y])/y^2 + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 0, z])/y^2 + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 1 - y, z])/y^2 - ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 24*y^3*z^2 - 42*y^4*z^2 + 24*y^5*z^2 + 42*z^3 - 135*y*z^3 + 144*y^2*z^3 - 30*y^3*z^3 + 24*y^4*z^3 - 168*z^4 + 387*y*z^4 - 261*y^2*z^4 + 6*y^3*z^4 + 252*z^5 - 381*y*z^5 + 126*y^2*z^5 - 168*z^6 + 126*y*z^6 + 42*z^7)* G[0, 0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(1 + y - z)*(-1 + z)*z*(1 - 4*y + 7*y^2 - 2*z + 4*y*z + z^2)*G[0, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) - (((16*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((I/6)*(-3*y^3 + 3*y^4 - 20*z + 60*y*z - 60*y^2*z - 13*y^3*z + 80*z^2 - 180*y*z^2 + 120*y^2*z^2 + 16*y^3*z^2 - 120*z^3 + 180*y*z^3 - 60*y^2*z^3 + 80*z^4 - 60*y*z^4 - 20*z^5)* G[0, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/6)*(-3*y^3 + 3*y^4 - 26*z + 78*y*z - 78*y^2*z + 23*y^3*z + 104*z^2 - 234*y*z^2 + 156*y^2*z^2 - 20*y^3*z^2 - 156*z^3 + 234*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[0, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((8*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((6*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, 1, y])/y^2 - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 0, z])/y^2 + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 1 - y, z])/y^2 + ((I/3)*(-1 + z)*z*(1 - 3*y + 3*y^2 + 6*y^3 - 3*z + 6*y*z - 3*y^2*z + 3*z^2 - 3*y*z^2 - z^3)*G[0, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 0, z])/y^2 + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 1 - y, z])/y^2 + ((I/6)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 30*y^3*z^2 - 60*y^4*z^2 + 36*y^5*z^2 - 2*z^3 - 3*y*z^3 + 12*y^2*z^3 + 4*y^3*z^3 + 36*y^4*z^3 + 8*z^4 - 9*y*z^4 + 3*y^2*z^4 - 34*y^3*z^4 - 12*z^5 + 15*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7)* G[0, 1 - y, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + z^3 - z^4)* G[0, -y, 0, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + z^3 - z^4)* G[0, -y, 1 - y, 0, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(6*y^3 + 12*y^3*z - 3*y*z^2 + 10*z^3 - 10*z^4)* G[0, -y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 + 30*z^3 - 30*z^4)* G[0, -y, -y, 1 - y, z])/(y^2*z^2) + ((6*I)*y*(-1 + z)*z*G[1, 0, 0, 0, y])/(-1 + y + z)^2 - ((6*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 6*z + 27*y*z - 36*y^2*z - 11*y^3*z + 24*z^2 - 63*y*z^2 + 45*y^2*z^2 + 20*y^3*z^2 - 36*z^3 + 57*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)* G[1, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-8 + 24*y - 24*y^2 + 17*y^3 + 24*z - 48*y*z + 24*y^2*z - 24*z^2 + 24*y*z^2 + 8*z^3)*G[1, 0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((I/6)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 36*z + 117*y*z - 126*y^2*z + 25*y^3*z + 144*z^2 - 333*y*z^2 + 225*y^2*z^2 - 16*y^3*z^2 - 216*z^3 + 327*y*z^3 - 108*y^2*z^3 + 144*z^4 - 108*y*z^4 - 36*z^5)*G[1, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) - (((5*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-2 + y + 2*z)*(4 - 10*y + 7*y^2 - 8*z + 10*y*z + 4*z^2)*G[1, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-8 + 24*y - 24*y^2 + 17*y^3 + 24*z - 48*y*z + 24*y^2*z - 24*z^2 + 24*y*z^2 + 8*z^3)*G[1, 0, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 18*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((10*I)/3)*y*(-1 + z)*z*G[1, 1, 0, 0, y])/(-1 + y + z)^2 - (((5*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((I/2)*(-y + 3*y^2 - 3*y^3 + y^4 + 2*z - 3*y*z + 7*y^3*z - 8*z^2 + 15*y*z^2 - 9*y^2*z^2 - 4*y^3*z^2 + 12*z^3 - 17*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(2 - 6*y + 6*y^2 + 9*y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3)*G[1, 1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 44*z + 141*y*z - 150*y^2*z + 29*y^3*z + 176*z^2 - 405*y*z^2 + 273*y^2*z^2 - 20*y^3*z^2 - 264*z^3 + 399*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y*z^4 - 44*z^5)*G[1, 1, 1, 0, y])/ (y^2*(-1 + y + z)^2) - ((7*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(2 - 6*y + 6*y^2 + 9*y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3)*G[1, 1, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-8 + 24*y - 24*y^2 + 17*y^3 + 24*z - 48*y*z + 24*y^2*z - 24*z^2 + 24*y*z^2 + 8*z^3)* G[1, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-11 + 33*y - 33*y^2 + 9*y^3 + 33*z - 66*y*z + 33*y^2*z - 33*z^2 + 33*y*z^2 + 11*z^3)*G[1, 1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1 - y, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 18*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 0, z])/y^2 + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 1 - y, z])/y^2 + ((I/3)*(-11*y^3 + 33*y^4 - 33*y^5 + 11*y^6 + 11*y^3*z - 33*y^5*z + 22*y^6*z + 33*y^3*z^2 - 99*y^4*z^2 + 66*y^5*z^2 - z^3 + 3*y*z^3 - 3*y^2*z^3 - 48*y^3*z^3 + 66*y^4*z^3 + 4*z^4 - 9*y*z^4 + 6*y^2*z^4 + 15*y^3*z^4 - 6*z^5 + 9*y*z^5 - 3*y^2*z^5 + 4*z^6 - 3*y*z^6 - z^7)* G[1 - y, 0, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 0, z])/y^2 + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 1 - y, z])/y^2 - ((I/6)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[1 - y, 0, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 11*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[1 - y, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 3*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3)* G[1 - y, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-15 + 45*y - 45*y^2 + 17*y^3 + 45*z - 90*y*z + 45*y^2*z - 45*z^2 + 45*y*z^2 + 15*z^3)*G[1 - y, 1, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 3*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3)* G[1 - y, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 0, z])/y^2 + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 1 - y, z])/y^2 - ((I/3)*(-11*y^3 + 33*y^4 - 33*y^5 + 11*y^6 + 11*y^3*z - 33*y^5*z + 22*y^6*z + 33*y^3*z^2 - 99*y^4*z^2 + 66*y^5*z^2 + 21*z^3 - 63*y*z^3 + 63*y^2*z^3 - 72*y^3*z^3 + 66*y^4*z^3 - 84*z^4 + 189*y*z^4 - 126*y^2*z^4 + 39*y^3*z^4 + 126*z^5 - 189*y*z^5 + 63*y^2*z^5 - 84*z^6 + 63*y*z^6 + 21*z^7)*G[1 - y, 1 - y, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 1 - y, 0, z])/y^2 - ((I/2)*(-1 + y + z)*(y^3 + 2*y^3*z + y*z^2 - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 0, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, 0, z])/(y^2*z^2) - (((8*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 0, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z - 13*z^3 + 13*z^4)* G[-y, 0, 1, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 1 - y, 0, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(9*y^3 + 18*y^3*z + 16*z^3 - 16*z^4)* G[-y, 0, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 - 22*z^3 + 22*z^4)* G[-y, 0, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 0, 0, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(9*y^3 + 18*y^3*z + 16*z^3 - 16*z^4)* G[-y, 1 - y, 0, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z - 13*z^3 + 13*z^4)* G[-y, 1 - y, 1, 0, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(9*y^3 + 18*y^3*z + 16*z^3 - 16*z^4)* G[-y, 1 - y, 1 - y, 0, z])/(y^2*z^2) - ((3*I)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4)* G[-y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(11*y^3 + 22*y^3*z - 4*z^3 + 4*z^4)* G[-y, -y, 0, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(11*y^3 + 22*y^3*z - 4*z^3 + 4*z^4)* G[-y, -y, 1 - y, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4)* G[-y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/2)*(-1 + y + z)*(7*y^3 + 14*y^3*z - y*z^2 - 14*z^3 + 14*z^4)* G[-y, -y, -y, 1 - y, z])/(y^2*z^2) - ((I/12)*(44*y^2 - 176*y^3 + 264*y^4 - 176*y^5 + 44*y^6 - 312*y*z + 1202*y^2*z - 1822*y^3*z + 1374*y^4*z - 530*y^5*z + 88*y^6*z - 88*z^2 + 1248*y*z^2 - 4012*y^2*z^2 + 5260*y^3*z^2 - 3036*y^4*z^2 + 628*y^5*z^2 + 264*z^3 - 1736*y*z^3 + 4171*y^2*z^3 - 3791*y^3*z^3 + 1092*y^4*z^3 - 264*z^4 + 976*y*z^4 - 1493*y^2*z^4 + 628*y^3*z^4 + 88*z^5 - 176*y*z^5 + 88*y^2*z^5)*Zeta[3])/((-1 + y)^2*y*z* (-1 + y + z)^2) + G[0, z]*((-8*Pi^3*y*(-1 + z)*z)/ (9*(-1 + y + z)^2) + (Pi*(32*y - 32*y^2 + 14*z - 121*y*z + 89*y^2*z - 28*z^2 + 89*y*z^2 + 14*z^3))/(6*y*(-1 + y + z)) + ((I/36)*(2 - 297*y + 297*y^2 + 956*z - 69*y*z + 366*y^2*z - 1916*z^2 + 366*y*z^2 + 958*z^3))/(y*(-1 + y + z)) + ((I/216)*Pi^2*(66*y^2 - 264*y^3 + 396*y^4 - 264*y^5 + 66*y^6 - 432*y*z + 1749*y^2*z - 2787*y^3*z + 2187*y^4*z - 849*y^5*z + 132*y^6*z - 996*z^2 + 5922*y*z^2 - 13981*y^2*z^2 + 16364*y^3*z^2 - 9493*y^4*z^2 + 2184*y^5*z^2 + 2988*z^3 - 12540*y*z^3 + 20623*y^2*z^3 - 15191*y^3*z^3 + 4120*y^4*z^3 - 2988*z^4 + 9042*y*z^4 - 9453*y^2*z^4 + 3246*y^3*z^4 + 996*z^5 - 1992*y*z^5 + 996*y^2*z^5))/((-1 + y)^2*y*z*(-1 + y + z)^2) + (((-1/18*I)*Pi^2*(-1 + z)*z*(-83 + 249*y - 249*y^2 + 86*y^3 + 249*z - 498*y*z + 249*y^2*z - 249*z^2 + 249*y*z^2 + 83*z^3))/ (y^2*(-1 + y + z)^2) + (Pi*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 5*z^2 + 30*y*z^2 - 18*y^2*z^2 + 3*y^3*z^2 + 15*z^3 - 30*y*z^3 + 8*y^2*z^3 - 15*z^4 + 10*y*z^4 + 5*z^5))/(3*y^2*z*(-1 + y + z)) - ((I/36)*(4*y - 12*y^2 - 50*y^3 + 190*y^4 - 198*y^5 + 66*y^6 + 4*z - 22*y*z + 240*y^2*z - 427*y^3*z + 346*y^4*z - 285*y^5*z + 144*y^6*z - 10*z^2 + 980*y*z^2 - 3189*y^2*z^2 + 3532*y^3*z^2 - 1349*y^4*z^2 + 36*y^5*z^2 + 870*z^3 - 5332*y*z^3 + 9074*y^2*z^3 - 5407*y^3*z^3 + 642*y^4*z^3 - 2580*z^4 + 8660*y*z^4 - 8699*y^2*z^4 + 2466*y^3*z^4 + 2574*z^5 - 5148*y*z^5 + 2574*y^2*z^5 - 858*z^6 + 858*y*z^6))/ ((-1 + y)*y^2*z*(-1 + y + z)*(y + z)))*G[1, y] + ((-20*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2) + ((I/12)*(-18*y^2 + 54*y^3 - 54*y^4 + 18*y^5 - 48*y*z + 117*y^2*z - 54*y^3*z - 51*y^4*z + 36*y^5*z - 8*z^2 + 118*y*z^2 - 159*y^2*z^2 - 53*y^3*z^2 + 102*y^4*z^2 + 24*z^3 - 100*y*z^3 + 74*y^2*z^3 + 22*y^3*z^3 - 24*z^4 + 38*y*z^4 - 14*y^2*z^4 + 8*z^5 - 8*y*z^5))/((-1 + y)*y*z*(-1 + y + z)^2))*G[0, 0, y] + ((-4*Pi*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 4*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3))/(3*y^2*(-1 + y + z)^2) + ((I/36)*(12*y^2 + 18*y^3 - 192*y^4 + 348*y^5 - 252*y^6 + 66*y^7 - 42*y*z + 162*y^2*z - 273*y^3*z + 135*y^4*z + 243*y^5*z - 357*y^6*z + 132*y^7*z - 258*z^2 + 1326*y*z^2 - 2628*y^2*z^2 + 2057*y^3*z^2 - 4*y^4*z^2 - 733*y^5*z^2 + 240*y^6*z^2 + 1020*z^3 - 4242*y*z^3 + 6666*y^2*z^3 - 4067*y^3*z^3 + 391*y^4*z^3 + 232*y^5*z^3 - 1524*z^4 + 5178*y*z^4 - 6354*y^2*z^4 + 2937*y^3*z^4 - 390*y^4*z^4 + 1016*z^5 - 2728*y*z^5 + 2408*y^2*z^5 - 696*y^3*z^5 - 254*z^6 + 508*y*z^6 - 254*y^2*z^6))/((-1 + y)^2*y^2*z*(-1 + y + z)^2))*G[0, 1, y] + ((4*Pi*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 4*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3))/(3*y^2*(-1 + y + z)^2) - ((I/36)*(-78*y^4 + 222*y^5 - 210*y^6 + 66*y^7 - 135*y^3*z + 495*y^4*z - 387*y^5*z - 105*y^6*z + 132*y^7*z + 274*y^2*z^2 - 729*y^3*z^2 + 1284*y^4*z^2 - 1309*y^5*z^2 + 684*y^6*z^2 + 254*y*z^3 - 2068*y^2*z^3 + 4623*y^3*z^3 - 4211*y^4*z^3 + 1564*y^5*z^3 + 76*z^4 - 1358*y*z^4 + 5328*y^2*z^4 - 6787*y^3*z^4 + 2570*y^4*z^4 - 292*z^5 + 2598*y*z^5 - 5544*y^2*z^5 + 3004*y^3*z^5 + 432*z^6 - 2118*y*z^6 + 1998*y^2*z^6 - 288*z^7 + 624*y*z^7 + 72*z^8))/ (y^2*z*(-1 + y + z)^2*(y + z)^2))*G[1, 0, y] + ((20*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/12)*(18*y^3 - 36*y^4 + 18*y^5 + 45*y^2*z - 42*y^3*z - 39*y^4*z + 36*y^5*z + 85*y*z^2 - 204*y^2*z^2 + 19*y^3*z^2 + 78*y^4*z^2 + 38*z^3 - 312*y*z^3 + 331*y^2*z^3 - 26*y^3*z^3 - 114*z^4 + 369*y*z^4 - 172*y^2*z^4 + 114*z^5 - 142*y*z^5 - 38*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1, 1, y] - ((6*I)*y*(-1 + z)*z*G[0, 0, 0, y])/(-1 + y + z)^2 - ((I/3)*(-1 + z)*z*(6 - 18*y + 18*y^2 + 7*y^3 - 18*z + 36*y*z - 18*y^2*z + 18*z^2 - 18*y*z^2 - 6*z^3)*G[0, 0, 1, y])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-9 + 27*y - 27*y^2 + 19*y^3 + 27*z - 54*y*z + 27*y^2*z - 27*z^2 + 27*y*z^2 + 9*z^3)* G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 8*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3)*G[0, 1, 1, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 8*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3)* G[1, 0, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-10 + 30*y - 30*y^2 + 19*y^3 + 30*z - 60*y*z + 30*y^2*z - 30*z^2 + 30*y*z^2 + 10*z^3)*G[1, 0, 1, y])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-13 + 39*y - 39*y^2 + 7*y^3 + 39*z - 78*y*z + 39*y^2*z - 39*z^2 + 39*y*z^2 + 13*z^3)* G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, y])/y^2 - (((29*I)/3)*y*(-1 + z)*z*Zeta[3])/(-1 + y + z)^2) + G[0, y]*((-8*Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + (Pi*(-43*y + 129*y^2 - 129*y^3 + 43*y^4 + 101*z - 248*y*z + 207*y^2*z - 74*y^3*z + 14*y^4*z - 202*z^2 + 469*y*z^2 - 356*y^2*z^2 + 89*y^3*z^2 + 101*z^3 - 178*y*z^3 + 89*y^2*z^3))/ (6*(-1 + y)^2*z*(-1 + y + z)) + ((I/36)*(2 + 291*y - 883*y^2 + 885*y^3 - 295*y^4 + 256*z - 1245*y*z + 2680*y^2*z - 2649*y^3*z + 958*y^4*z - 516*z^2 + 1758*y*z^2 - 1608*y^2*z^2 + 366*y^3*z^2 + 258*z^3 - 804*y*z^3 + 366*y^2*z^3))/((-1 + y)^2*z*(-1 + y + z)) + ((I/216)*Pi^2*(-498*y^2 + 1494*y^3 - 1494*y^4 + 498*y^5 + 1782*y*z - 4539*y^2*z + 4728*y^3*z - 2967*y^4*z + 996*y^5*z + 132*z^2 - 5880*y*z^2 + 13087*y^2*z^2 - 10585*y^3*z^2 + 3246*y^4*z^2 - 396*z^3 + 6546*y*z^3 - 10234*y^2*z^3 + 4120*y^3*z^3 + 396*z^4 - 2580*y*z^4 + 2184*y^2*z^4 - 132*z^5 + 132*y*z^5))/ ((-1 + y)*y*z*(-1 + y + z)^2) + ((((10*I)/3)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (Pi*(2*y^2 - 4*y^3 + 2*y^4 - 12*y*z + 14*y^2*z - 6*y^3*z + 4*y^4*z - 4*z^2 + 37*y*z^2 - 39*y^2*z^2 + 13*y^3*z^2 + 12*z^3 - 38*y*z^3 + 23*y^2*z^3 - 12*z^4 + 13*y*z^4 + 4*z^5))/ (3*y*z*(-1 + y + z)^2) + ((I/36)*(4*y - 12*y^2 - 50*y^3 + 190*y^4 - 198*y^5 + 66*y^6 + 4*z - 24*y*z + 195*y^2*z - 227*y^3*z + 91*y^4*z - 183*y^5*z + 144*y^6*z - 12*z^2 + 558*y*z^2 - 2148*y^2*z^2 + 3848*y^3*z^2 - 3074*y^4*z^2 + 828*y^5*z^2 + 160*z^3 - 2018*y*z^3 + 5723*y^2*z^3 - 6307*y^3*z^3 + 2622*y^4*z^3 - 440*z^4 + 2596*y*z^4 - 4598*y^2*z^4 + 2622*y^3*z^4 + 432*z^5 - 1260*y*z^5 + 828*y^2*z^5 - 144*z^6 + 144*y*z^6))/((-1 + y)*y*z* (-1 + y + z)^2*(y + z)))*G[0, z] - ((I/36)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 22*z + 75*y*z - 84*y^2*z + 12*y^3*z + 88*z^2 - 207*y*z^2 + 141*y^2*z^2 - 132*z^3 + 201*y*z^3 - 66*y^2*z^3 + 88*z^4 - 66*y*z^4 - 22*z^5)* G[1, z])/(y^2*(-1 + y + z)^2) + ((Pi*(-31*y^2 + 62*y^3 - 31*y^4 - 14*y*z + 86*y^2*z - 82*y^3*z + 10*y^4*z - 8*z^2 + 34*y*z^2 - 71*y^2*z^2 + 20*y^3*z^2 + 24*z^3 - 26*y*z^3 + 16*y^2*z^3 - 24*z^4 + 6*y*z^4 + 8*z^5))/ (6*y*z^2*(-1 + y + z)) - ((I/36)*(4*y - 10*y^2 + 123*y^3 - 339*y^4 + 333*y^5 - 111*y^6 + 4*z - 22*y*z + 299*y^2*z - 1741*y^3*z + 3509*y^4*z - 2907*y^5*z + 858*y^6*z - 12*z^2 + 156*y*z^2 - 1212*y^2*z^2 + 4505*y^3*z^2 - 6011*y^4*z^2 + 2574*y^5*z^2 + 160*z^3 - 430*y*z^3 + 1513*y^2*z^3 - 3529*y^3*z^3 + 2466*y^4*z^3 - 440*z^4 + 616*y*z^4 - 638*y^2*z^4 + 642*y^3*z^4 + 432*z^5 - 468*y*z^5 + 36*y^2*z^5 - 144*z^6 + 144*y*z^6))/((-1 + y)*y*z^2*(-1 + y + z)*(y + z)) - ((I/36)*Pi^2*(-83*y^3 + 249*y^4 - 249*y^5 + 83*y^6 + 83*y^3*z - 249*y^5*z + 166*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 258*y^3*z^2 - 750*y^4*z^2 + 498*y^5*z^2 + 22*z^3 - 75*y*z^3 + 84*y^2*z^3 - 430*y^3*z^3 + 498*y^4*z^3 - 88*z^4 + 207*y*z^4 - 141*y^2*z^4 + 172*y^3*z^4 + 132*z^5 - 201*y*z^5 + 66*y^2*z^5 - 88*z^6 + 66*y*z^6 + 22*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[1 - y, z] + ((-20*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2) - ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 12*y*z + 14*y^2*z - 6*y^3*z + 4*y^4*z + 18*z^2 - 27*y*z^2 - 5*y^2*z^2 + 7*y^3*z^2 - 54*z^3 + 90*y*z^3 - 11*y^2*z^3 + 54*z^4 - 51*y*z^4 - 18*z^5))/ (y*z*(-1 + y + z)^2))*G[0, 0, z] + ((-4*Pi*(-y + y^2 - z + y*z + z^2)*(y^2 - 2*y^3 + y^4 - y*z + y^2*z - 2*y^3*z + 2*y^4*z + z^2 - 2*y^2*z^2 + 4*y^3*z^2 - 3*z^3 + 3*y*z^3 + 3*z^4 - 2*y*z^4 - z^5))/(3*y^2*z^2* (-1 + y + z)^2) - ((I/18)*(-35*y^4 + 140*y^5 - 210*y^6 + 140*y^7 - 35*y^8 - 116*y^3*z + 658*y^4*z - 1448*y^5*z + 1556*y^6*z - 820*y^7*z + 170*y^8*z - 18*y^2*z^2 + 572*y^3*z^2 - 2168*y^4*z^2 + 3372*y^5*z^2 - 2438*y^6*z^2 + 680*y^7*z^2 + 43*y*z^3 - 199*y^2*z^3 - 411*y^3*z^3 + 1985*y^4*z^3 - 2285*y^5*z^3 + 867*y^6*z^3 - 38*z^4 - 89*y*z^4 + 694*y^2*z^4 - 727*y^3*z^4 - 79*y^4*z^4 + 221*y^5*z^4 + 146*z^5 - 41*y*z^5 - 693*y^2*z^5 + 883*y^3*z^5 - 313*y^4*z^5 - 216*z^6 + 207*y*z^6 + 210*y^2*z^6 - 201*y^3*z^6 + 144*z^7 - 156*y*z^7 + 12*y^2*z^7 - 36*z^8 + 36*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[0, 1 - y, z] + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)*(-2 + 6*y - 6*y^2 + 4*y^3 + 6*z - 6*y*z - 12*y^2*z + 12*y^3*z - 6*z^2 + 21*y*z^2 - 63*y^2*z^2 + 54*y^3*z^2 - 34*z^3 + 126*y*z^3 - 192*y^2*z^3 + 92*y^3*z^3 + 108*z^4 - 321*y*z^4 + 273*y^2*z^4 - 108*z^5 + 174*y*z^5 + 36*z^6))/(y^2*z^2*(-1 + y + z)^2))*G[1, 0, z] + ((2*Pi*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 2*z^3 - 6*y*z^3 + 6*y^2*z^3 - 11*y^3*z^3 + 6*y^4*z^3 - 8*z^4 + 18*y*z^4 - 12*y^2*z^4 + 8*y^3*z^4 + 12*z^5 - 18*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7))/(3*y^2*z^2*(-1 + y + z)^2) - ((I/36)*(-4*y^2 + 16*y^3 - 24*y^4 + 46*y^5 - 124*y^6 + 180*y^7 - 120*y^8 + 30*y^9 - 8*y*z + 48*y^2*z - 88*y^3*z + 182*y^4*z - 588*y^5*z + 928*y^6*z - 540*y^7*z - 6*y^8*z + 72*y^9*z - 4*z^2 + 48*y*z^2 - 128*y^2*z^2 + 229*y^3*z^2 - 864*y^4*z^2 + 1343*y^5*z^2 - 6*y^6*z^2 - 1242*y^7*z^2 + 624*y^8*z^2 + 16*z^3 - 88*y*z^3 - 194*y^2*z^3 + 919*y^3*z^3 - 1763*y^4*z^3 + 3512*y^5*z^3 - 4400*y^6*z^3 + 1998*y^7*z^3 - 24*z^4 - 190*y*z^4 + 2316*y^2*z^4 - 6506*y^3*z^4 + 9322*y^4*z^4 - 8070*y^5*z^4 + 3188*y^6*z^4 - 56*z^5 + 1434*y*z^5 - 6622*y^2*z^5 + 12038*y^3*z^5 - 10206*y^4*z^5 + 3484*y^5*z^5 + 284*z^6 - 2906*y*z^6 + 8076*y^2*z^6 - 8606*y^3*z^6 + 3188*y^4*z^6 - 432*z^7 + 2550*y*z^7 - 4116*y^2*z^7 + 1998*y^3*z^7 + 288*z^8 - 912*y*z^8 + 624*y^2*z^8 - 72*z^9 + 72*y*z^9))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)^2))* G[1 - y, 0, z] + ((10*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) + ((I/12)*(-55*y^3 + 110*y^4 - 55*y^5 - 83*y^2*z + 264*y^3*z - 219*y^4*z + 38*y^5*z - 12*y*z^2 + 208*y^2*z^2 - 351*y^3*z^2 + 142*y^4*z^2 + 36*z^3 - 54*y*z^3 - 151*y^2*z^3 + 172*y^3*z^3 - 108*z^4 + 144*y*z^4 + 26*y^2*z^4 + 108*z^5 - 78*y*z^5 - 36*z^6))/(y*z^2*(-1 + y + z)*(y + z)))*G[1 - y, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/36)*(-41*y^4 + 111*y^5 - 111*y^6 + 37*y^7 - 29*y^3*z + 134*y^4*z - 87*y^5*z - 104*y^6*z + 86*y^7*z - 138*y^2*z^2 + 299*y^3*z^2 + 87*y^4*z^2 - 666*y^5*z^2 + 410*y^6*z^2 - 110*y*z^3 + 762*y^2*z^3 - 759*y^3*z^3 - 494*y^4*z^3 + 648*y^5*z^3 + 76*z^4 + 194*y*z^4 - 1140*y^2*z^4 + 631*y^3*z^4 + 284*y^4*z^4 - 292*z^5 + 114*y*z^5 + 534*y^2*z^5 - 154*y^3*z^5 + 432*z^6 - 354*y*z^6 - 30*y^2*z^6 - 288*z^7 + 156*y*z^7 + 72*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 1 - y, z] - ((6*I)*y*(-1 + z)*z*G[0, 0, 0, z])/(-1 + y + z)^2 + ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 24*y^3*z^2 - 42*y^4*z^2 + 24*y^5*z^2 + 26*z^3 - 87*y*z^3 + 96*y^2*z^3 - 32*y^3*z^3 + 24*y^4*z^3 - 104*z^4 + 243*y*z^4 - 165*y^2*z^4 + 8*y^3*z^4 + 156*z^5 - 237*y*z^5 + 78*y^2*z^5 - 104*z^6 + 78*y*z^6 + 26*z^7)* G[0, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y^3*z^2 - 18*y^4*z^2 + 12*y^5*z^2 + 9*z^3 - 27*y*z^3 + 27*y^2*z^3 - 13*y^3*z^3 + 12*y^4*z^3 - 36*z^4 + 81*y*z^4 - 54*y^2*z^4 + 7*y^3*z^4 + 54*z^5 - 81*y*z^5 + 27*y^2*z^5 - 36*z^6 + 27*y*z^6 + 9*z^7)*G[0, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 27*y^3*z^2 - 57*y^4*z^2 + 36*y^5*z^2 + 18*z^3 - 63*y*z^3 + 72*y^2*z^3 - 61*y^3*z^3 + 36*y^4*z^3 - 72*z^4 + 171*y*z^4 - 117*y^2*z^4 + 34*y^3*z^4 + 108*z^5 - 165*y*z^5 + 54*y^2*z^5 - 72*z^6 + 54*y*z^6 + 18*z^7)*G[0, 1 - y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/2)*(-1 + y + z)*(y + 10*z - 10*z^2)* G[0, -y, 1 - y, z])/y^2 + ((I/3)*(-1 + z)*z*(-9 + 27*y - 27*y^2 + 17*y^3 + 27*z - 54*y*z + 27*y^2*z - 27*z^2 + 27*y*z^2 + 9*z^3)* G[1, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z + 12*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-11 + 33*y - 33*y^2 + 9*y^3 + 33*z - 66*y*z + 33*y^2*z - 33*z^2 + 33*y*z^2 + 11*z^3)*G[1, 1, 0, z])/ (y^2*(-1 + y + z)^2) - ((3*I)*(-1 + z)*z*(-1 + y + z)* G[1, 1 - y, 0, z])/y^2 + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 9*z^3 + 27*y*z^3 - 27*y^2*z^3 - 2*y^3*z^3 + 6*y^4*z^3 + 36*z^4 - 81*y*z^4 + 54*y^2*z^4 - y^3*z^4 - 54*z^5 + 81*y*z^5 - 27*y^2*z^5 + 36*z^6 - 27*y*z^6 - 9*z^7)*G[1 - y, 0, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 27*y^3*z^2 - 57*y^4*z^2 + 36*y^5*z^2 + 18*z^3 - 63*y*z^3 + 72*y^2*z^3 - 49*y^3*z^3 + 36*y^4*z^3 - 72*z^4 + 171*y*z^4 - 117*y^2*z^4 + 22*y^3*z^4 + 108*z^5 - 165*y*z^5 + 54*y^2*z^5 - 72*z^6 + 54*y*z^6 + 18*z^7)*G[1 - y, 0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - ((5*I)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1, 0, z])/y^2 + ((I/6)*(-13*y^3 + 39*y^4 - 39*y^5 + 13*y^6 + 13*y^3*z - 39*y^5*z + 26*y^6*z + 39*y^3*z^2 - 117*y^4*z^2 + 78*y^5*z^2 + 26*z^3 - 78*y*z^3 + 78*y^2*z^3 - 83*y^3*z^3 + 78*y^4*z^3 - 104*z^4 + 234*y*z^4 - 156*y^2*z^4 + 44*y^3*z^4 + 156*z^5 - 234*y*z^5 + 78*y^2*z^5 - 104*z^6 + 78*y*z^6 + 26*z^7)*G[1 - y, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((3*I)*y*(-1 + y + z)*(1 + 2*z)* G[1 - y, 1 - y, 1 - y, z])/z^2 - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, 1 - y, z])/ (y^2*z^2) + ((I/2)*(-1 + y + z)*(y + 6*z - 6*z^2)* G[-y, 0, 1 - y, z])/y^2 + (((13*I)/6)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(8*y^3 + 16*y^3*z + 3*y*z^2 + 18*z^3 - 18*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 - 22*z^3 + 22*z^4)* G[-y, -y, 1 - y, z])/(y^2*z^2) - ((I/6)*y*(-9 + 9*y - 49*z + 58*z^2)*Zeta[3])/(-1 + y + z)^2) + G[1, y]*((4*Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) - (Pi*(-43*y^3 + 43*y^4 - 60*y^2*z + 190*y^3*z + 14*y^4*z - 15*y*z^2 + 223*y^2*z^2 - 33*y^3*z^2 + 14*z^3 + 48*y*z^3 - 94*y^2*z^3 - 28*z^4 - 33*y*z^4 + 14*z^5))/(6*y*z*(y + z)^2) - ((I/36)*(2*y^2 + 295*y^3 - 295*y^4 + 4*y*z + 1366*y^2*z - 2363*y^3*z + 958*y^4*z + 2*z^2 + 2207*y*z^2 - 5829*y^2*z^2 + 3466*y^3*z^2 + 956*z^3 - 5677*y*z^3 + 5016*y^2*z^3 - 1916*z^4 + 3466*y*z^4 + 958*z^5))/(y*z*(y + z)^2) - ((I/216)*Pi^2*(-546*y^4 + 2748*y^5 - 5532*y^6 + 5568*y^7 - 2802*y^8 + 564*y^9 - 99*y^3*z + 3003*y^4*z - 9831*y^5*z + 11337*y^6*z - 3570*y^7*z - 1968*y^8*z + 1128*y^9*z + 1696*y^2*z^2 - 7505*y^3*z^2 + 12226*y^4*z^2 - 13439*y^5*z^2 + 16582*y^6*z^2 - 14402*y^7*z^2 + 4842*y^8*z^2 + 1118*y*z^3 - 12050*y^2*z^3 + 38032*y^3*z^3 - 59252*y^4*z^3 + 56317*y^5*z^3 - 33077*y^6*z^3 + 8912*y^7*z^3 + 22*z^4 - 4672*y*z^4 + 28928*y^2*z^4 - 66046*y^3*z^4 + 75014*y^4*z^4 - 43933*y^5*z^4 + 10534*y^6*z^4 - 76*z^5 + 7376*y*z^5 - 31162*y^2*z^5 + 49853*y^3*z^5 - 35623*y^4*z^5 + 9326*y^5*z^5 + 108*z^6 - 5232*y*z^6 + 15234*y^2*z^6 - 15537*y^3*z^6 + 5274*y^4*z^6 - 72*z^7 + 1446*y*z^7 - 2676*y^2*z^7 + 1302*y^3*z^7 + 18*z^8 - 36*y*z^8 + 18*y^2*z^8))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)^2) + ((I/12)*Pi^2*(-y + 3*y^2 - 4*y^3 + 2*y^4 - 16*z + 51*y*z - 54*y^2*z + 4*y^3*z + 64*z^2 - 147*y*z^2 + 99*y^2*z^2 - 96*z^3 + 145*y*z^3 - 48*y^2*z^3 + 64*z^4 - 48*y*z^4 - 16*z^5)* G[1, z])/(y^2*(-1 + y + z)^2) + ((2*Pi*(-5*y + 5*y^2 + 10*z + 3*y*z + 10*y^2*z - 20*z^2 + 2*y*z^2 + 10*z^3))/(3*y*z) + ((I/12)*(49*y^3 - 49*y^4 + 112*y^2*z - 273*y^3*z + 50*y^4*z + 149*y*z^2 - 499*y^2*z^2 + 226*y^3*z^2 + 50*z^3 - 375*y*z^3 + 352*y^2*z^3 - 100*z^4 + 226*y*z^4 + 50*z^5))/(y*z*(y + z)^2) + ((I/12)*Pi^2*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + y*z^2 - 3*y^2*z^2 + 6*y^3*z^2 - 10*y^4*z^2 + 6*y^5*z^2 + 12*z^3 - 39*y*z^3 + 42*y^2*z^3 - 16*y^3*z^3 + 6*y^4*z^3 - 48*z^4 + 111*y*z^4 - 75*y^2*z^4 + 10*y^3*z^4 + 72*z^5 - 109*y*z^5 + 36*y^2*z^5 - 48*z^6 + 36*y*z^6 + 12*z^7))/(y^2*z^2*(-1 + y + z)^2))* G[1 - y, z] + ((((91*I)/36)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(y^2*z^2) - (Pi*(31*y^3 - 31*y^4 + 18*y^2*z - 41*y^3*z + 10*y^4*z + 12*y*z^2 - 24*y^2*z^2 + 10*y^3*z^2 + 10*z^3 - 22*y*z^3 + 12*y^2*z^3 - 20*z^4 + 10*y*z^4 + 10*z^5))/ (6*y^2*z^2) + ((I/36)*(4*y - 10*y^2 + 123*y^3 - 339*y^4 + 333*y^5 - 111*y^6 + 4*z - 20*y*z + 184*y^2*z - 1455*y^3*z + 3270*y^4*z - 2841*y^5*z + 858*y^6*z - 10*z^2 + 94*y*z^2 - 393*y^2*z^2 + 2061*y^3*z^2 - 3378*y^4*z^2 + 1626*y^5*z^2 + 870*z^3 - 2622*y*z^3 + 2436*y^2*z^3 - 1233*y^3*z^3 + 396*y^4*z^3 - 2580*z^4 + 5886*y*z^4 - 3855*y^2*z^4 + 396*y^3*z^4 + 2574*z^5 - 4200*y*z^5 + 1626*y^2*z^5 - 858*z^6 + 858*y*z^6))/((-1 + y)*y^2*z^2*(-1 + y + z)))*G[-y, z] + ((20*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 19*z^2 + 44*y*z^2 - 2*y^2*z^2 + 9*y^3*z^2 + 57*z^3 - 58*y*z^3 - 8*y^2*z^3 - 57*z^4 + 24*y*z^4 + 19*z^5))/ (y^2*z*(-1 + y + z)))*G[0, 0, z] + ((20*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/12)*(18*y^3 - 36*y^4 + 18*y^5 + 45*y^2*z - 42*y^3*z - 39*y^4*z + 36*y^5*z + 85*y*z^2 - 204*y^2*z^2 + 19*y^3*z^2 + 78*y^4*z^2 + 38*z^3 - 312*y*z^3 + 331*y^2*z^3 - 26*y^3*z^3 - 114*z^4 + 369*y*z^4 - 172*y^2*z^4 + 114*z^5 - 142*y*z^5 - 38*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[0, 1 - y, z] + ((4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4))/(3*y^2*z^2) + ((I/36)*(-70*y^4 + 280*y^5 - 420*y^6 + 280*y^7 - 70*y^8 - 244*y^3*z + 1216*y^4*z - 2524*y^5*z + 2716*y^6*z - 1504*y^7*z + 340*y^8*z - 6*y^2*z^2 + 750*y^3*z^2 - 3049*y^4*z^2 + 5024*y^5*z^2 - 3871*y^6*z^2 + 1152*y^7*z^2 + 386*y*z^3 - 1592*y^2*z^3 + 1635*y^3*z^3 + 1186*y^4*z^3 - 2569*y^5*z^3 + 954*y^6*z^3 + 182*z^4 - 1880*y*z^4 + 4964*y^2*z^4 - 4966*y^3*z^4 + 1587*y^4*z^4 - 40*y^5*z^4 - 546*z^5 + 2966*y*z^5 - 5218*y^2*z^5 + 3389*y^3*z^5 - 744*y^4*z^5 + 546*z^6 - 1836*y*z^6 + 2034*y^2*z^6 - 744*y^3*z^6 - 182*z^7 + 364*y*z^7 - 182*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)* (y + z)))*G[0, -y, z] + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)*(-2 + 6*y - 6*y^2 + 4*y^3 + 6*z - 6*y*z - 12*y^2*z + 12*y^3*z - 6*z^2 + 21*y*z^2 - 63*y^2*z^2 + 54*y^3*z^2 + 45*z^3 - 144*y*z^3 + 78*y^2*z^3 + 92*y^3*z^3 - 129*z^4 + 219*y*z^4 + 3*y^2*z^4 + 129*z^5 - 96*y*z^5 - 43*z^6))/(y^2*z^2*(-1 + y + z)^2))*G[1, 0, z] + ((20*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/12)*(18*y^3 - 36*y^4 + 18*y^5 + 45*y^2*z - 42*y^3*z - 39*y^4*z + 36*y^5*z + 85*y*z^2 - 204*y^2*z^2 + 19*y^3*z^2 + 78*y^4*z^2 + 38*z^3 - 312*y*z^3 + 331*y^2*z^3 - 26*y^3*z^3 - 114*z^4 + 369*y*z^4 - 172*y^2*z^4 + 114*z^5 - 142*y*z^5 - 38*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 0, z] + (I*(-3*y + 3*y^2 + 6*z + y*z + 6*y^2*z - 12*z^2 + 2*y*z^2 + 6*z^3)* G[1 - y, 1 - y, z])/(y*z) + ((-8*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/36)*(4 - 16*y + 24*y^2 - 144*y^3 + 516*y^4 - 768*y^5 + 512*y^6 - 128*y^7 - 12*z + 28*y*z - 180*y^2*z + 888*y^3*z - 1884*y^4*z + 1956*y^5*z - 996*y^6*z + 200*y^7*z + 12*z^2 - 47*y*z^2 + 442*y^2*z^2 - 1319*y^3*z^2 + 1858*y^4*z^2 - 1364*y^5*z^2 + 418*y^6*z^2 - 204*z^3 + 892*y*z^3 - 1546*y^2*z^3 + 1828*y^3*z^3 - 1296*y^4*z^3 + 326*y^5*z^3 + 600*z^4 - 2075*y*z^4 + 2496*y^2*z^4 - 1500*y^3*z^4 + 326*y^4*z^4 - 600*z^5 + 1618*y*z^5 - 1436*y^2*z^5 + 418*y^3*z^5 + 200*z^6 - 400*y*z^6 + 200*y^2*z^6))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)))*G[1 - y, -y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/36)*(-26*y^4 + 90*y^5 - 90*y^6 + 30*y^7 + 40*y^3*z - 106*y^4*z + 156*y^5*z - 162*y^6*z + 72*y^7*z + 105*y^2*z^2 - 289*y^3*z^2 + 321*y^4*z^2 - 285*y^5*z^2 + 156*y^6*z^2 + 157*y*z^3 - 654*y^2*z^3 + 507*y^3*z^3 + 58*y^4*z^3 - 30*y^5*z^3 + 82*z^4 - 901*y*z^4 + 1641*y^2*z^4 - 530*y^3*z^4 - 154*y^4*z^4 - 340*z^5 + 1725*y*z^5 - 1728*y^2*z^5 + 284*y^3*z^5 + 516*z^6 - 1391*y*z^6 + 648*y^2*z^6 - 344*z^7 + 410*y*z^7 + 86*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))* G[-y, 0, z] + ((-10*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/12)*(55*y^3 - 55*y^4 + 54*y^2*z - 93*y^3*z + 38*y^4*z - 5*y*z^2 - 15*y^2*z^2 + 22*y^3*z^2 + 38*z^3 - 17*y*z^3 + 4*y^2*z^3 - 76*z^4 + 22*y*z^4 + 38*z^5))/ (y^2*z^2))*G[-y, 1 - y, z] - ((I/36)*(-13*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 126*y^2*z - 347*y^3*z + 354*y^4*z - 147*y^5*z + 18*y^6*z - 189*y*z^2 + 279*y^2*z^2 - 72*y^3*z^2 - 30*y^5*z^2 + 14*z^3 + 585*y*z^3 - 1206*y^2*z^3 + 900*y^3*z^3 - 282*y^4*z^3 - 68*z^4 - 645*y*z^4 + 1095*y^2*z^4 - 468*y^3*z^4 + 108*z^5 + 279*y*z^5 - 282*y^2*z^5 - 72*z^6 - 30*y*z^6 + 18*z^7)* G[-y, -y, z])/(y^2*z^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, z])/y^2 + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, z])/y^2 - ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 24*y^3*z^2 - 42*y^4*z^2 + 24*y^5*z^2 + 42*z^3 - 135*y*z^3 + 144*y^2*z^3 - 30*y^3*z^3 + 24*y^4*z^3 - 168*z^4 + 387*y*z^4 - 261*y^2*z^4 + 6*y^3*z^4 + 252*z^5 - 381*y*z^5 + 126*y^2*z^5 - 168*z^6 + 126*y*z^6 + 42*z^7)* G[0, 0, -y, z])/(y^2*z^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, z])/(y^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, z])/y^2 + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, z])/y^2 + ((I/6)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 30*y^3*z^2 - 60*y^4*z^2 + 36*y^5*z^2 - 2*z^3 - 3*y*z^3 + 12*y^2*z^3 + 4*y^3*z^3 + 36*y^4*z^3 + 8*z^4 - 9*y*z^4 + 3*y^2*z^4 - 34*y^3*z^4 - 12*z^5 + 15*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7)* G[0, 1 - y, -y, z])/(y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + z^3 - z^4)*G[0, -y, 0, z])/ (y^2*z^2) + ((I/6)*(-1 + y + z)*(6*y^3 + 12*y^3*z - 3*y*z^2 + 10*z^3 - 10*z^4)*G[0, -y, 1 - y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 + 30*z^3 - 30*z^4)* G[0, -y, -y, z])/(y^2*z^2) - ((I/3)*(-1 + z)*z* (-8 + 24*y - 24*y^2 + 17*y^3 + 24*z - 48*y*z + 24*y^2*z - 24*z^2 + 24*y*z^2 + 8*z^3)*G[1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 18*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[1, 0, -y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(2 - 6*y + 6*y^2 + 9*y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3)*G[1, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 18*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[1, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, z])/y^2 + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, z])/y^2 - ((I/6)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[1 - y, 0, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + z)*z* (-1 + 3*y - 3*y^2 + 3*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3)*G[1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) + ((6*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, z])/y^2 - ((I/2)*(-1 + y + z)*(y^3 + 2*y^3*z + y*z^2 - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, 0, z])/(y^2*z^2) - (((8*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, -y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 0, z])/ (y^2*z^2) + ((I/6)*(-1 + y + z)*(9*y^3 + 18*y^3*z + 16*z^3 - 16*z^4)*G[-y, 0, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 - 22*z^3 + 22*z^4)* G[-y, 0, -y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)* (9*y^3 + 18*y^3*z + 16*z^3 - 16*z^4)*G[-y, 1 - y, 0, z])/ (y^2*z^2) - ((3*I)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4)* G[-y, 1 - y, -y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)* (11*y^3 + 22*y^3*z - 4*z^3 + 4*z^4)*G[-y, -y, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4)* G[-y, -y, 1 - y, z])/(y^2*z^2) - ((I/2)*(-1 + y + z)* (7*y^3 + 14*y^3*z - y*z^2 - 14*z^3 + 14*z^4)*G[-y, -y, -y, z])/ (y^2*z^2) - ((I/6)*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 - 44*z + 159*y*z - 186*y^2*z + 125*y^3*z + 176*z^2 - 423*y*z^2 + 291*y^2*z^2 - 98*y^3*z^2 - 264*z^3 + 405*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y*z^4 - 44*z^5)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1, z]*(((I/108)*Pi^2*(-1 + z)^2*(-2 + 6*y - 6*y^2 + 4*z - 6*y^2*z - 2*z^2 - 15*y*z^2 + 9*y^2*z^2 + 9*z^3 - 60*y*z^3 + 69*y^2*z^3 - 18*z^4 + 69*y*z^4 + 9*z^5))/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 18*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[0, 0, 1, y])/(y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 44*z + 141*y*z - 150*y^2*z + 30*y^3*z + 176*z^2 - 405*y*z^2 + 273*y^2*z^2 - 18*y^3*z^2 - 264*z^3 + 399*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y*z^4 - 44*z^5)* G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 18*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) - ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 44*z + 141*y*z - 150*y^2*z + 30*y^3*z + 176*z^2 - 405*y*z^2 + 273*y^2*z^2 - 18*y^3*z^2 - 264*z^3 + 399*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y*z^4 - 44*z^5)* G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) + ((I/6)*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 - 44*z + 159*y*z - 186*y^2*z + 18*y^3*z + 176*z^2 - 423*y*z^2 + 291*y^2*z^2 + 18*y^3*z^2 - 264*z^3 + 405*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y*z^4 - 44*z^5)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1 - y, z]*((4*Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) - (Pi*(-43*y^3 + 43*y^4 - 60*y^2*z + 190*y^3*z + 14*y^4*z - 15*y*z^2 + 223*y^2*z^2 - 33*y^3*z^2 + 14*z^3 + 48*y*z^3 - 94*y^2*z^3 - 28*z^4 - 33*y*z^4 + 14*z^5))/(6*y*z*(y + z)^2) - ((I/36)*(2*y^2 + 295*y^3 - 295*y^4 + 4*y*z + 1366*y^2*z - 2363*y^3*z + 958*y^4*z + 2*z^2 + 2207*y*z^2 - 5829*y^2*z^2 + 3466*y^3*z^2 + 956*z^3 - 5677*y*z^3 + 5016*y^2*z^3 - 1916*z^4 + 3466*y*z^4 + 958*z^5))/(y*z*(y + z)^2) - ((I/216)*Pi^2*(-4*y^2 + 20*y^3 - 40*y^4 + 31*y^5 + 25*y^6 - 86*y^7 + 90*y^8 - 45*y^9 + 9*y^10 - 8*y*z + 56*y^2*z - 136*y^3*z - 426*y^4*z + 2935*y^5*z - 6254*y^6*z + 6482*y^7*z - 3306*y^8*z + 639*y^9*z + 18*y^10*z - 4*z^2 + 52*y*z^2 - 176*y^2*z^2 + 96*y^3*z^2 + 3326*y^4*z^2 - 11455*y^5*z^2 + 13807*y^6*z^2 - 5007*y^7*z^2 - 1941*y^8*z^2 + 1302*y^9*z^2 + 16*z^3 - 104*y*z^3 + 1862*y^2*z^3 - 7332*y^3*z^3 + 10770*y^4*z^3 - 10635*y^5*z^3 + 14764*y^6*z^3 - 14615*y^7*z^3 + 5274*y^8*z^3 - 24*z^4 + 1190*y*z^4 - 12050*y^2*z^4 + 37534*y^3*z^4 - 57848*y^4*z^4 + 55201*y^5*z^4 - 33329*y^6*z^4 + 9326*y^7*z^4 + 34*z^5 - 4684*y*z^5 + 28898*y^2*z^5 - 65800*y^3*z^5 + 74738*y^4*z^5 - 44011*y^5*z^5 + 10672*y^6*z^5 - 76*z^6 + 7376*y*z^6 - 31162*y^2*z^6 + 49853*y^3*z^6 - 35623*y^4*z^6 + 9326*y^5*z^6 + 108*z^7 - 5232*y*z^7 + 15234*y^2*z^7 - 15537*y^3*z^7 + 5274*y^4*z^7 - 72*z^8 + 1446*y*z^8 - 2676*y^2*z^8 + 1302*y^3*z^8 + 18*z^9 - 36*y*z^9 + 18*y^2*z^9))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2) + ((10*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) + ((I/12)*(55*y^2 - 165*y^3 + 165*y^4 - 55*y^5 + 50*y*z - 270*y^2*z + 428*y^3*z - 246*y^4*z + 38*y^5*z + 8*z^2 - 126*y*z^2 + 287*y^2*z^2 - 217*y^3*z^2 + 48*y^4*z^2 - 24*z^3 + 110*y*z^3 - 90*y^2*z^3 - 16*y^3*z^3 + 24*z^4 - 42*y*z^4 + 18*y^2*z^4 - 8*z^5 + 8*y*z^5))/((-1 + y)*y*z^2*(-1 + y + z)))* G[0, 0, y] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 8*z^3 - 8*z^4))/ (3*y^2*z^2) - ((I/36)*(4*y - 16*y^2 + 24*y^3 + 21*y^4 - 144*y^5 + 222*y^6 - 148*y^7 + 37*y^8 + 4*z - 28*y*z + 52*y^2*z - 75*y^3*z + 114*y^4*z - 162*y^5*z + 248*y^6*z - 239*y^7*z + 86*y^8*z - 12*z^2 + 40*y*z^2 - 191*y^2*z^2 + 634*y^3*z^2 - 866*y^4*z^2 + 658*y^5*z^2 - 455*y^6*z^2 + 192*y^7*z^2 + 12*z^3 - 359*y*z^3 + 1712*y^2*z^3 - 2844*y^3*z^3 + 2426*y^4*z^3 - 1175*y^5*z^3 + 228*y^6*z^3 - 204*z^4 + 1816*y*z^4 - 4701*y^2*z^4 + 5434*y^3*z^4 - 3072*y^4*z^4 + 574*y^5*z^4 + 600*z^5 - 2999*y*z^5 + 4996*y^2*z^5 - 3728*y^3*z^5 + 978*y^4*z^5 - 600*z^6 + 1926*y*z^6 - 2052*y^2*z^6 + 726*y^3*z^6 + 200*z^7 - 400*y*z^7 + 200*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[0, 1, y] + ((2*Pi*y*(-1 + 3*y - 3*y^2 + y^3 + z - 3*y^2*z + 2*y^3*z + 3*z^2 - 9*y*z^2 + 6*y^2*z^2 - z^3 + 6*y*z^3 - 2*z^4))/ (3*z^2*(-1 + y + z)^2) - ((I/36)*(28*y^4 - 112*y^5 + 168*y^6 - 112*y^7 + 28*y^8 - 82*y^3*z + 366*y^4*z - 674*y^5*z + 646*y^6*z - 324*y^7*z + 68*y^8*z - 149*y^2*z^2 + 1020*y^3*z^2 - 2167*y^4*z^2 + 1928*y^5*z^2 - 690*y^6*z^2 + 58*y^7*z^2 + 270*y*z^3 - 883*y^2*z^3 + 1195*y^3*z^3 - 1350*y^4*z^3 + 1618*y^5*z^3 - 850*y^6*z^3 + 156*z^4 - 2160*y*z^4 + 6804*y^2*z^4 - 9552*y^3*z^4 + 7260*y^4*z^4 - 2544*y^5*z^4 - 888*z^5 + 6012*y*z^5 - 12660*y^2*z^5 + 11196*y^3*z^5 - 3732*y^4*z^5 + 1728*z^6 - 7044*y*z^6 + 8814*y^2*z^6 - 3534*y^3*z^6 - 1416*z^7 + 3342*y*z^7 - 1926*y^2*z^7 + 420*z^8 - 420*y*z^8))/((-1 + y)*y*z^2*(-1 + y + z)^2*(y + z)^2))* G[1, 0, y] + (I*(-3*y + 3*y^2 + 6*z + y*z + 6*y^2*z - 12*z^2 + 2*y*z^2 + 6*z^3)*G[1, 1, y])/(y*z) + ((3*I)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, 0, y])/z^2 + ((I/2)*(-1 + y + z)*(7*y^3 + 14*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[0, 0, 1, y])/(y^2*z^2) + ((I/6)*(-13*y^3 + 39*y^4 - 39*y^5 + 13*y^6 + 13*y^3*z - 39*y^5*z + 26*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 48*y^3*z^2 - 120*y^4*z^2 + 78*y^5*z^2 + 36*z^3 - 117*y*z^3 + 126*y^2*z^3 - 98*y^3*z^3 + 78*y^4*z^3 - 144*z^4 + 333*y*z^4 - 225*y^2*z^4 + 50*y^3*z^4 + 216*z^5 - 327*y*z^5 + 108*y^2*z^5 - 144*z^6 + 108*y*z^6 + 36*z^7)*G[0, 1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 16*z^3 - 16*z^4)*G[0, 1, 1, y])/(y^2*z^2) + ((I/6)*y*(-13 + 39*y - 39*y^2 + 13*y^3 + 13*z - 39*y^2*z + 26*y^3*z + 39*z^2 - 117*y*z^2 + 78*y^2*z^2 - 53*z^3 + 78*y*z^3 + 14*z^4)*G[1, 0, 0, y])/(z^2*(-1 + y + z)^2) + ((I/6)*(-13*y^3 + 39*y^4 - 39*y^5 + 13*y^6 + 13*y^3*z - 39*y^5*z + 26*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 48*y^3*z^2 - 120*y^4*z^2 + 78*y^5*z^2 - 6*z^3 + 9*y*z^3 - 60*y^3*z^3 + 78*y^4*z^3 + 24*z^4 - 45*y*z^4 + 27*y^2*z^4 + 12*y^3*z^4 - 36*z^5 + 51*y*z^5 - 18*y^2*z^5 + 24*z^6 - 18*y*z^6 - 6*z^7)*G[1, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-10*y^3 + 30*y^4 - 30*y^5 + 10*y^6 + 10*y^3*z - 30*y^5*z + 20*y^6*z - 3*y*z^2 + 9*y^2*z^2 + 21*y^3*z^2 - 87*y^4*z^2 + 60*y^5*z^2 - 44*z^3 + 141*y*z^3 - 150*y^2*z^3 - y^3*z^3 + 60*y^4*z^3 + 176*z^4 - 405*y*z^4 + 273*y^2*z^4 - 20*y^3*z^4 - 264*z^5 + 399*y*z^5 - 132*y^2*z^5 + 176*z^6 - 132*y*z^6 - 44*z^7)*G[1, 1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-22*y^3 + 66*y^4 - 66*y^5 + 22*y^6 + 22*y^3*z - 66*y^5*z + 44*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 93*y^3*z^2 - 207*y^4*z^2 + 132*y^5*z^2 + 44*z^3 - 159*y*z^3 + 186*y^2*z^3 - 173*y^3*z^3 + 132*y^4*z^3 - 176*z^4 + 423*y*z^4 - 291*y^2*z^4 + 80*y^3*z^4 + 264*z^5 - 405*y*z^5 + 132*y^2*z^5 - 176*z^6 + 132*y*z^6 + 44*z^7)*Zeta[3])/ (y^2*z^2*(-1 + y + z)^2)))) + eps^2*(Nf*(((-320*I)/27)*(-1 + z) + (52*Pi*(-1 + z))/9 - (((7*I)/135)*Pi^4*y*(-1 + z)*z)/(-1 + y + z)^2 - (Pi^3*(-1 + z)*(27 - 54*y + 27*y^2 - 54*z + 80*y*z + 27*z^2))/ (108*(-1 + y + z)^2) + (((2*I)/81)*Pi^2*(-1 + z)* (63 - 126*y + 63*y^2 - 126*z + 146*y*z + 63*z^2))/(-1 + y + z)^2 + ((((80*I)/27)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) - (13*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(9*y^2*(-1 + y + z)^2) - (((7*I)/18)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2))*G[1, 0, z] - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[0, -y, z]* G[1, 1, y])/(y^2*z^2) + G[0, 0, z]*(((I/9)*Pi^2*y*(-1 + z)*z)/ (-1 + y + z)^2 + (Pi*z*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2))/ (3*y*(-1 + y + z)) - ((I/9)*z*(19 - 27*y + 27*y^2 - 38*z + 27*y*z + 19*z^2))/(y*(-1 + y + z)) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 1, y])/y^2 - (((2*I)/3)*y*(-1 + z)*z*G[1, 0, y])/ (-1 + y + z)^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, y])/ y^2) + G[0, 1 - y, z]*((((-80*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 + (13*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) + ((I/18)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*y*(-1 + z)*z*G[1, 0, y])/ (-1 + y + z)^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, y])/ y^2) + ((((-80*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 + (13*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) + ((I/18)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/ (y^2*(-1 + y + z)^2))*G[1 - y, 0, z] + (((I/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) + ((I/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z))*G[1 - y, 1 - y, z] + G[1, 0, y]*((((-80*I)/27)*y*(-1 + z)*z)/(-1 + y + z)^2 + (13*Pi*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + (((5*I)/18)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (((2*I)/3)*y*(-1 + z)*z*G[1 - y, 0, z])/(-1 + y + z)^2 - (((2*I)/3)*y*(-1 + z)*z*G[1 - y, 1 - y, z])/(-1 + y + z)^2) + G[0, 1, y]*((((80*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 - (13*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) - ((I/18)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 9*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, z])/y^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, z])/y^2) + G[0, 0, y]* (((I/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (Pi*(-y + y^2 + 3*z - 2*y*z + 2*y^2*z - 6*z^2 + 3*y*z^2 + 3*z^3))/ (3*z*(-1 + y + z)) - ((I/9)*(-8*y + 8*y^2 + 27*z - 19*y*z + 19*y^2*z - 54*z^2 + 27*y*z^2 + 27*z^3))/(z*(-1 + y + z)) + (((2*I)/3)*y*(-1 + z)*z*G[0, 0, z])/(-1 + y + z)^2 + ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 1 - y, z])/z^2 - (((2*I)/3)*y*(-1 + z)*z*G[1 - y, 0, z])/(-1 + y + z)^2 - ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, z])/z^2) + ((((-7*I)/36)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) - (Pi*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (9*y^2*z^2) + (((4*I)/27)*(-1 + y + z)*(7*y^3 + 20*y^3*z - 20*z^3 + 20*z^4))/(y^2*z^2))*G[-y, 1 - y, z] + G[1, 1, y]*(((I/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) + ((I/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, z])/y^2 + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, z])/ (y^2*z^2)) + ((I/3)*(-y + y^2 + 3*z - 2*y*z + 2*y^2*z - 6*z^2 + 3*y*z^2 + 3*z^3)*G[0, 0, 0, y])/(z*(-1 + y + z)) + ((I/3)*z*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2)*G[0, 0, 0, z])/ (y*(-1 + y + z)) + ((((13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, 1, y] + ((((13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, 1 - y, z] + ((((13*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, 1, 0, y] + ((((-13*I)/9)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) + (2*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2))*G[0, 1, 0, z] + ((((-13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1, 1, y] + ((((13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, 0, z] + ((((13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, 1 - y, z] + (((I/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z + 13*z^3 - 13*z^4))/(y^2*z^2) - (Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/(3*y^2*z^2))* G[0, -y, 1 - y, z] + ((((13*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2))*G[1, 0, 0, y] + ((((-13*I)/9)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) + (2*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2))*G[1, 0, 0, z] + ((((-13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, 0, 1, y] + ((((-13*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 1, 0, y] + G[1 - y, z]* (-1/9*(Pi^3*y*(-1 + z)*z)/(-1 + y + z)^2 + (Pi*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(9*y*z) - ((I/27)*(-52*y + 52*y^2 + 137*z - 33*y*z + 137*y^2*z - 274*z^2 + 85*y*z^2 + 137*z^3))/(y*z) + ((I/108)*Pi^2*(-21*y + 63*y^2 - 63*y^3 + 21*y^4 + 42*z - 42*y*z - 42*y^3*z + 42*y^4*z - 168*z^2 + 252*y*z^2 - 215*y^2*z^2 + 105*y^3*z^2 + 252*z^3 - 294*y*z^3 + 152*y^2*z^3 - 168*z^4 + 105*y*z^4 + 42*z^5))/(y*z*(-1 + y + z)^2) + (-1/3*(Pi*y*(-1 + y + z)*(1 + 2*z))/z^2 + ((I/9)*y*(-1 + y + z)*(5 + 13*z))/z^2)*G[0, 0, y] + ((((-13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1, y] + ((((-13*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 0, y] - ((I/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1, 1, y])/(y*z) - ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, 0, y])/ z^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, y])/y^2 + (((2*I)/3)*y*(-1 + z)*z*G[0, 1, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, y])/y^2 + (((2*I)/3)*y*(-1 + z)*z*G[1, 0, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, y])/y^2 - (((2*I)/3)*y*(-1 + z)*z*G[1, 1, 0, y])/(-1 + y + z)^2) - ((I/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1, 1, 1, y])/(y*z) + G[0, z]*((Pi^3*y*(-1 + z)*z)/ (9*(-1 + y + z)^2) - (Pi*z*(19 - 27*y + 27*y^2 - 38*z + 27*y*z + 19*z^2))/(9*y*(-1 + y + z)) + ((I/27)*z*(137 - 189*y + 189*y^2 - 274*z + 189*y*z + 137*z^2))/(y*(-1 + y + z)) - ((I/108)*Pi^2*z*(-42 + 105*y - 152*y^2 + 63*y^3 + 126*z - 210*y*z + 152*y^2*z - 126*z^2 + 105*y*z^2 + 42*z^3))/(y*(-1 + y + z)^2) + ((((-80*I)/27)*(-1 + z)*z*(-1 + y + z))/y^2 + (13*Pi*(-1 + z)*z*(-1 + y + z))/(9*y^2) + ((I/18)*Pi^2*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 5*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/ (y^2*(-1 + y + z)^2))*G[1, y] + ((((-13*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, 0, y] + ((((-13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 + (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1, y] + ((((13*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1, 0, y] + ((((13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1, 1, y] + (((2*I)/3)*y*(-1 + z)*z*G[0, 0, 0, y])/(-1 + y + z)^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, y])/y^2 - (((2*I)/3)*y*(-1 + z)*z*G[0, 1, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, y])/y^2 - (((2*I)/3)*y*(-1 + z)*z*G[1, 0, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, y])/y^2 + (((2*I)/3)*y*(-1 + z)*z*G[1, 1, 0, y])/(-1 + y + z)^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, y])/y^2) + G[-y, z]*(((Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (3*y^2*z^2) - ((I/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/(y^2*z^2))*G[1, 1, y] + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 1, 1, y])/ (y^2*z^2)) + ((((13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, 0, z] + ((((13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, 1 - y, z] + ((((-13*I)/9)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/(y^2*(-1 + y + z)^2) + (2*Pi*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2))/(3*y^2*(-1 + y + z)^2))* G[1 - y, 1, 0, z] + ((((13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 1 - y, 0, z] - ((I/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1 - y, 1 - y, 1 - y, z])/(y*z) + G[0, y]*((Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) - (Pi*(-8*y + 8*y^2 + 27*z - 19*y*z + 19*y^2*z - 54*z^2 + 27*y*z^2 + 27*z^3))/(9*z*(-1 + y + z)) + ((I/27)*(-52*y + 52*y^2 + 189*z - 137*y*z + 137*y^2*z - 378*z^2 + 189*y*z^2 + 189*z^3))/ (z*(-1 + y + z)) - ((I/108)*Pi^2*(21*y - 42*y^2 + 21*y^3 - 63*z + 84*y*z - 63*y^2*z + 42*y^3*z + 189*z^2 - 257*y*z^2 + 105*y^2*z^2 - 189*z^3 + 152*y*z^3 + 63*z^4))/(z*(-1 + y + z)^2) + ((((80*I)/27)*y*(-1 + z)*z)/(-1 + y + z)^2 - (13*Pi*y*(-1 + z)*z)/ (9*(-1 + y + z)^2) - (((5*I)/18)*Pi^2*y*(-1 + z)*z)/ (-1 + y + z)^2)*G[0, z] + ((Pi*y*(-1 + y + z)*(5 + 13*z))/ (9*z^2) - (((4*I)/27)*y*(-1 + y + z)*(7 + 20*z))/z^2 + ((I/36)*Pi^2*y*(-7 + 21*y - 21*y^2 + 7*y^3 + 7*z - 21*y^2*z + 14*y^3*z + 21*z^2 - 63*y*z^2 + 42*y^2*z^2 - 31*z^3 + 42*y*z^3 + 10*z^4))/(z^2*(-1 + y + z)^2))*G[1 - y, z] + ((((-13*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[0, 0, z] + ((Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) - ((I/9)*y*(-1 + y + z)* (5 + 13*z))/z^2)*G[0, 1 - y, z] + ((((13*I)/9)*y*(-1 + z)*z)/(-1 + y + z)^2 - (2*Pi*y*(-1 + z)*z)/ (3*(-1 + y + z)^2))*G[1 - y, 0, z] + (-1/3*(Pi*y*(-1 + y + z)*(1 + 2*z))/z^2 + ((I/9)*y*(-1 + y + z)*(5 + 13*z))/z^2)*G[1 - y, 1 - y, z] + (((2*I)/3)*y*(-1 + z)*z*G[0, 0, 0, z])/(-1 + y + z)^2 - ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, 1 - y, z])/z^2 - (((2*I)/3)*y*(-1 + z)*z*G[0, 1 - y, 0, z])/(-1 + y + z)^2 + ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 1 - y, 1 - y, z])/z^2 - (((2*I)/3)*y*(-1 + z)*z*G[1 - y, 0, 0, z])/(-1 + y + z)^2 + ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 0, 1 - y, z])/z^2 + (((2*I)/3)*y*(-1 + z)*z*G[1 - y, 1 - y, 0, z])/(-1 + y + z)^2 - ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, 1 - y, z])/z^2) + ((Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/(y^2*z^2))* G[1 - y, -y, 1 - y, z] + ((Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/(y^2*z^2))* G[-y, 1 - y, 1 - y, z] + G[1, y]* (-1/9*(Pi^3*y*(-1 + z)*z)/(-1 + y + z)^2 + (Pi*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(9*y*z) - ((I/27)*(-52*y + 52*y^2 + 137*z - 33*y*z + 137*y^2*z - 274*z^2 + 85*y*z^2 + 137*z^3))/(y*z) + ((I/108)*Pi^2*(-21*y + 63*y^2 - 63*y^3 + 21*y^4 + 42*z - 42*y*z - 42*y^3*z + 42*y^4*z - 168*z^2 + 252*y*z^2 - 215*y^2*z^2 + 105*y^3*z^2 + 252*z^3 - 294*y*z^3 + 152*y^2*z^3 - 168*z^4 + 105*y*z^4 + 42*z^5))/(y*z*(-1 + y + z)^2) + (((I/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (Pi*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3))/(3*y*z) + ((I/9)*(-8*y + 8*y^2 + 19*z - 3*y*z + 19*y^2*z - 38*z^2 + 11*y*z^2 + 19*z^3))/(y*z))*G[1 - y, z] + ((((-7*I)/36)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) - (Pi*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/(9*y^2*z^2) + (((4*I)/27)*(-1 + y + z)* (7*y^3 + 20*y^3*z - 20*z^3 + 20*z^4))/(y^2*z^2))*G[-y, z] + ((((13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 0, z] + ((((13*I)/9)*(-1 + z)*z*(-1 + y + z))/y^2 - (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[0, 1 - y, z] + (((I/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z + 13*z^3 - 13*z^4))/ (y^2*z^2) - (Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (3*y^2*z^2))*G[0, -y, z] + ((((13*I)/9)*(-1 + z)*z*(-1 + y + z))/ y^2 - (2*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2))*G[1 - y, 0, z] - ((I/3)*(-y + y^2 + 2*z + 2*y^2*z - 4*z^2 + y*z^2 + 2*z^3)* G[1 - y, 1 - y, z])/(y*z) + ((Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[1 - y, -y, z] + ((Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/9)*(-1 + y + z)*(5*y^3 + 13*y^3*z - 13*z^3 + 13*z^4))/ (y^2*z^2))*G[-y, 1 - y, z] - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 0, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, z])/y^2 + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 0, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, z])/y^2 - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, 1 - y, -y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[0, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, z])/y^2 - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[1 - y, 0, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 0, z])/y^2 + ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, 1 - y, -y, z])/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2)) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 1, y])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 1 - y, z])/y^2 - (((2*I)/3)*y*(-1 + z)*z*G[0, 0, 1, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, 1, y])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 0, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 1 - y, z])/y^2 + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 0, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*y*(-1 + z)*z*G[0, 1, 0, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, 1, y])/y^2 + (((2*I)/3)*y*(-1 + z)*z*G[0, 1, 1, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, 1, y])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 0, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[0, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 0, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 1 - y, z])/y^2 - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, 1 - y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, -y, 1 - y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*y*(-1 + z)*z*G[1, 0, 0, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 0, 1, y])/y^2 + (((2*I)/3)*y*(-1 + z)*z*G[1, 0, 1, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, 1, y])/y^2 + (((2*I)/3)*y*(-1 + z)*z*G[1, 1, 0, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, 1, y])/y^2 - (((2*I)/3)*y*(-1 + z)*z*G[1, 1, 1, 0, y])/(-1 + y + z)^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 0, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1 - y, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 0, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 1 - y, z])/y^2 - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1 - y, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 0, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1 - y, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1 - y, 0, z])/y^2 + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + ((7*I)/3)*(-1 + z)* Zeta[3]) + ((Pi^5*y*(-7 + 7*y + 20*z - 13*z^2))/(90*(-1 + y + z)^2) + ((17*I)*(-2*y + 2*y^2 - z + 2*y*z + z^2))/((-1 + y)*(y + z)) - (10*Pi*(-2*y + 2*y^2 - z + 2*y*z + z^2))/((-1 + y)*(y + z)) - ((I/2160)*Pi^4*(12*y^2 - 48*y^3 + 72*y^4 - 48*y^5 + 12*y^6 + 717*y*z - 3054*y^2*z + 4908*y^3*z - 3498*y^4*z + 903*y^5*z + 24*y^6*z - 24*z^2 - 1704*y*z^2 + 5093*y^2*z^2 - 5071*y^3*z^2 + 1871*y^4*z^2 - 165*y^5*z^2 + 72*z^3 + 1209*y*z^3 - 2495*y^2*z^3 + 880*y^3*z^3 + 334*y^4*z^3 - 72*z^4 - 174*y*z^4 + 564*y^2*z^4 - 165*y^3*z^4 + 24*z^5 - 48*y*z^5 + 24*y^2*z^5))/((-1 + y)^2*y*z*(-1 + y + z)^2) + (Pi^3*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - 4*y^2*z + 12*y^3*z - 8*y^4*z - 4*y^5*z + 4*y^6*z + 5*y*z^2 - 12*y^2*z^2 + 10*y^3*z^2 - 16*y^4*z^2 + 13*y^5*z^2 + 4*z^3 - 27*y*z^3 + 43*y^2*z^3 - 29*y^3*z^3 + 6*y^4*z^3 - 12*z^4 + 43*y*z^4 - 40*y^2*z^4 + 6*y^3*z^4 + 12*z^5 - 25*y*z^5 + 13*y^2*z^5 - 4*z^6 + 4*y*z^6))/ (18*(-1 + y)*y*z*(-1 + y + z)^2*(y + z)) - ((I/216)*Pi^2*(-12*y^2 + 13*y^3 + 33*y^4 - 57*y^5 + 23*y^6 + 12*y*z - 964*y^2*z + 2850*y^3*z - 2798*y^4*z + 842*y^5*z + 58*y^6*z + 24*z^2 - 298*y*z^2 + 3015*y^2*z^2 - 4952*y^3*z^2 + 2006*y^4*z^2 + 205*y^5*z^2 - 14*z^3 + 789*y*z^3 - 3035*y^2*z^3 + 1807*y^3*z^3 + 228*y^4*z^3 - 102*z^4 - 674*y*z^4 + 791*y^2*z^4 + 228*y^3*z^4 + 150*z^5 + 113*y*z^5 + 205*y^2*z^5 - 58*z^6 + 58*y*z^6))/ ((-1 + y)*y*z*(-1 + y + z)^2*(y + z)) + (((I/6)*Pi^2*y*(-3 + 3*y + 5*z - 2*z^2))/(-1 + y + z)^2 + (I*y*(-1 + 3*y - 3*y^2 + y^3 - 6*z + 18*y*z - 18*y^2*z + 6*y^3*z + 21*z^2 - 28*y*z^2 + 7*y^2*z^2 - 14*z^3 + 7*y*z^3))/ ((-1 + y)^2*z*(-1 + y + z)))*G[0, 0, 0, y] + (((-1/3*I)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (I*z*(6 - 7*y + 7*y^2 - 12*z + 7*y*z + 6*z^2))/(y*(-1 + y + z)))* G[0, 0, 0, z] + (((-1/18*I)*Pi^2*(-9*y^3 + 9*y^4 - 2*z + 6*y*z - 6*y^2*z + 21*y^3*z + 8*z^2 - 18*y*z^2 + 12*y^2*z^2 - 12*y^3*z^2 - 12*z^3 + 18*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5))/ (y^2*(-1 + y + z)^2) + (Pi*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 15*y^2*z - 46*y^3*z + 51*y^4*z - 24*y^5*z + 4*y^6*z + 12*z^2 - 47*y*z^2 + 52*y^2*z^2 - 14*y^3*z^2 - 3*y^5*z^2 - 36*z^3 + 118*y*z^3 - 137*y^2*z^3 + 64*y^3*z^3 - 6*y^4*z^3 + 36*z^4 - 95*y*z^4 + 82*y^2*z^4 - 23*y^3*z^4 - 12*z^5 + 24*y*z^5 - 12*y^2*z^5))/(3*(-1 + y)^2*y^2*z*(-1 + y + z)) - ((I/36)*(-2*y^4 + 6*y^5 - 6*y^6 + 2*y^7 + 12*y^2*z + 310*y^3*z - 973*y^4*z + 984*y^5*z - 349*y^6*z + 16*y^7*z + 6*y*z^2 + 388*y^2*z^2 - 1629*y^3*z^2 + 2020*y^4*z^2 - 843*y^5*z^2 + 58*y^6*z^2 + 138*z^3 - 614*y*z^3 + 530*y^2*z^3 + 236*y^3*z^3 - 287*y^4*z^3 + 150*y^5*z^3 - 402*z^4 + 1426*y*z^4 - 1738*y^2*z^4 + 923*y^3*z^4 - 56*y^4*z^4 + 390*z^5 - 1070*y*z^5 + 970*y^2*z^5 - 290*y^3*z^5 - 126*z^6 + 252*y*z^6 - 126*y^2*z^6))/ ((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)))*G[0, 0, 1, y] + ((I/9)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 0, 1, z])/(y^2*(-1 + y + z)^2) + (-1/3*(Pi*z*(-12 + 25*y - 18*y^2 + 9*y^3 + 36*z - 50*y*z + 18*y^2*z - 36*z^2 + 25*y*z^2 + 12*z^3))/(y^2*(-1 + y + z)) + ((I/18)*Pi^2*(-3*y^3 + 3*y^4 + 4*z - 12*y*z + 12*y^2*z - 13*y^3*z - 16*z^2 + 36*y*z^2 - 24*y^2*z^2 + 16*y^3*z^2 + 24*z^3 - 36*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/(y^2*(-1 + y + z)^2) + ((I/18)*(6*y^2 - 24*y^3 + 30*y^4 - 12*y^5 + 3*y*z - 35*y^2*z + 44*y^3*z - 33*y^4*z + 21*y^5*z + 69*z^2 - 296*y*z^2 + 471*y^2*z^2 - 337*y^3*z^2 + 111*y^4*z^2 - 213*z^3 + 676*y*z^3 - 699*y^2*z^3 + 254*y^3*z^3 + 219*z^4 - 458*y*z^4 + 239*y^2*z^4 - 75*z^5 + 75*y*z^5))/((-1 + y)*y^2*(-1 + y + z)*(y + z)))* G[0, 0, 1 - y, z] + (((I/9)*Pi^2*(-3*y^3 + 3*y^4 - z + 3*y*z - 3*y^2*z + 3*y^3*z + 4*z^2 - 9*y*z^2 + 6*y^2*z^2 - 6*z^3 + 9*y*z^3 - 3*y^2*z^3 + 4*z^4 - 3*y*z^4 - z^5))/ (y^2*(-1 + y + z)^2) + (Pi*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - 3*y^2*z - 5*y^3*z + 38*y^4*z - 49*y^5*z + 19*y^6*z - 24*y^2*z^2 + 109*y^3*z^2 - 161*y^4*z^2 + 70*y^5*z^2 + 6*y^6*z^2 + 4*z^3 - 24*y*z^3 + 92*y^2*z^3 - 161*y^3*z^3 + 80*y^4*z^3 + 15*y^5*z^3 - 8*z^4 + 27*y*z^4 - 37*y^2*z^4 + 5*y^3*z^4 + 25*y^4*z^4 + 22*y*z^5 - 49*y^2*z^5 + 33*y^3*z^5 + 8*z^6 - 29*y*z^6 + 21*y^2*z^6 - 4*z^7 + 4*y*z^7))/(3*(-1 + y)*y*z*(-1 + y + z)^2* (y + z)^2) - ((I/36)*(-26*y^3 + 60*y^4 - 30*y^5 - 16*y^6 + 12*y^7 + 21*y^2*z - 500*y^3*z + 1403*y^4*z - 1348*y^5*z + 400*y^6*z + 24*y^7*z - 42*y*z^2 - 639*y^2*z^2 + 2971*y^3*z^2 - 3920*y^4*z^2 + 1600*y^5*z^2 + 30*y^6*z^2 + 64*z^3 - 384*y*z^3 + 2216*y^2*z^3 - 4112*y^3*z^3 + 2330*y^4*z^3 - 150*y^5*z^3 - 152*z^4 + 750*y*z^4 - 1720*y^2*z^4 + 1256*y^3*z^4 - 206*y^4*z^4 + 72*z^5 - 140*y*z^5 - 46*y^2*z^5 + 78*y^3*z^5 + 56*z^6 - 224*y*z^6 + 168*y^2*z^6 - 40*z^7 + 40*y*z^7))/ ((-1 + y)*y*z*(-1 + y + z)^2*(y + z)^2))*G[0, 1, 0, y] + (((-1/9*I)*Pi^2*(-1 + z)*z*(-2 + 6*y - 6*y^2 + y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3))/(y^2*(-1 + y + z)^2) + (Pi*(4*y^4 - 16*y^5 + 24*y^6 - 16*y^7 + 4*y^8 + 9*y^3*z - 35*y^4*z + 43*y^5*z - 9*y^6*z - 16*y^7*z + 8*y^8*z + 24*y^2*z^2 - 121*y^3*z^2 + 220*y^4*z^2 - 165*y^5*z^2 + 46*y^6*z^2 - 16*y^7*z^2 + 12*y^8*z^2 + 28*y*z^3 - 219*y^2*z^3 + 599*y^3*z^3 - 762*y^4*z^3 + 502*y^5*z^3 - 196*y^6*z^3 + 48*y^7*z^3 + 12*z^4 - 171*y*z^4 + 698*y^2*z^4 - 1262*y^3*z^4 + 1144*y^4*z^4 - 529*y^5*z^4 + 111*y^6*z^4 - 48*z^5 + 369*y*z^5 - 985*y^2*z^5 + 1205*y^3*z^5 - 700*y^4*z^5 + 165*y^5*z^5 + 72*z^6 - 361*y*z^6 + 644*y^2*z^6 - 493*y^3*z^6 + 141*y^4*z^6 - 48*z^7 + 159*y*z^7 - 174*y^2*z^7 + 63*y^3*z^7 + 12*z^8 - 24*y*z^8 + 12*y^2*z^8))/ (3*(-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) - ((I/36)*(40*y^4 - 160*y^5 + 240*y^6 - 160*y^7 + 40*y^8 + 108*y^3*z - 416*y^4*z + 532*y^5*z - 180*y^6*z - 112*y^7*z + 68*y^8*z + 426*y^2*z^2 - 2272*y^3*z^2 + 4402*y^4*z^2 - 3564*y^5*z^2 + 952*y^6*z^2 - 16*y^7*z^2 + 72*y^8*z^2 + 337*y*z^3 - 3243*y^2*z^3 + 9620*y^3*z^3 - 12138*y^4*z^3 + 6640*y^5*z^3 - 1504*y^6*z^3 + 288*y^7*z^3 + 132*z^4 - 2073*y*z^4 + 9356*y^2*z^4 - 17366*y^3*z^4 + 14500*y^4*z^4 - 5374*y^5*z^4 + 978*y^6*z^4 - 540*z^5 + 4521*y*z^5 - 12667*y^2*z^5 + 15362*y^3*z^5 - 8296*y^4*z^5 + 1926*y^5*z^5 + 828*z^6 - 4459*y*z^6 + 8216*y^2*z^6 - 6286*y^3*z^6 + 1854*y^4*z^6 - 564*z^7 + 1962*y*z^7 - 2232*y^2*z^7 + 834*y^3*z^7 + 144*z^8 - 288*y*z^8 + 144*y^2*z^8))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)^2))*G[0, 1, 0, z] + (((-1/18*I)*Pi^2*(9*y^3 + 2*z - 4*y*z + 2*y^2*z - 6*z^2 + 8*y*z^2 - 2*y^2*z^2 + 6*z^3 - 4*y*z^3 - 2*z^4))/(y^2*(-1 + y + z)) - (Pi*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5))/(3*y^2*z*(y + z)) + ((I/36)*(-6*y^2 + 16*y^3 + 12*y^4 - 48*y^5 + 26*y^6 + 6*y*z - 109*y^2*z + 363*y^3*z - 395*y^4*z + 71*y^5*z + 64*y^6*z + 12*z^2 - 275*y*z^2 + 921*y^2*z^2 - 1003*y^3*z^2 + 287*y^4*z^2 + 166*y^5*z^2 - 186*z^3 + 1092*y*z^3 - 1727*y^2*z^3 + 851*y^3*z^3 + 42*y^4*z^3 + 486*z^4 - 1533*y*z^4 + 1319*y^2*z^4 - 308*y^3*z^4 - 462*z^5 + 860*y*z^5 - 398*y^2*z^5 + 150*z^6 - 150*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)*(y + z)))* G[0, 1, 1, y] - ((I/3)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[0, 1, 1, z])/(y^2*(-1 + y + z)^2) + ((I/9)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 6*z - 9*y*z + 11*y^3*z - 24*z^2 + 45*y*z^2 - 27*y^2*z^2 + y^3*z^2 + 36*z^3 - 51*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5)*G[0, 1, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (-1/3*(Pi*z*(-12 + 25*y - 18*y^2 + 9*y^3 + 36*z - 50*y*z + 18*y^2*z - 36*z^2 + 25*y*z^2 + 12*z^3))/(y^2*(-1 + y + z)) - ((I/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4))/ (y^2*z^2) + ((I/18)*(6*y^2 - 24*y^3 + 30*y^4 - 12*y^5 + 3*y*z - 35*y^2*z + 44*y^3*z - 33*y^4*z + 21*y^5*z + 69*z^2 - 296*y*z^2 + 471*y^2*z^2 - 337*y^3*z^2 + 111*y^4*z^2 - 213*z^3 + 676*y*z^3 - 699*y^2*z^3 + 254*y^3*z^3 + 219*z^4 - 458*y*z^4 + 239*y^2*z^4 - 75*z^5 + 75*y*z^5))/((-1 + y)*y^2*(-1 + y + z)*(y + z)))* G[0, 1 - y, 0, z] + ((I/9)*Pi^2*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)* G[0, 1 - y, 1, z])/(y^2*(-1 + y + z)^2) + ((Pi*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5))/(3*y^2*z*(y + z)) - ((I/36)*(6*y^2 + 2*y^3 - 22*y^4 + 14*y^5 - 6*y*z + 97*y^2*z - 204*y^3*z + 73*y^4*z + 40*y^5*z - 12*z^2 + 233*y*z^2 - 495*y^2*z^2 + 172*y^3*z^2 + 66*y^4*z^2 + 174*z^3 - 661*y*z^3 + 547*y^2*z^3 - 96*y^3*z^3 - 312*z^4 + 584*y*z^4 - 272*y^2*z^4 + 150*z^5 - 150*y*z^5))/ ((-1 + y)*y^2*z*(y + z)) + ((I/18)*Pi^2*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 27*y^3*z^2 - 39*y^4*z^2 + 18*y^5*z^2 - 12*z^3 + 27*y*z^3 - 18*y^2*z^3 - 23*y^3*z^3 + 18*y^4*z^3 + 48*z^4 - 99*y*z^4 + 63*y^2*z^4 - 4*y^3*z^4 - 72*z^5 + 105*y*z^5 - 36*y^2*z^5 + 48*z^6 - 36*y*z^6 - 12*z^7))/(y^2*z^2*(-1 + y + z)^2))* G[0, 1 - y, 1 - y, z] + (((I/18)*Pi^2*(y^3 - 2*y^4 + y^5 - 2*y^4*z + 2*y^5*z + 3*y*z^2 - 6*y^2*z^2 + 3*y^3*z^2 + 4*y^4*z^2 + 6*z^3 - 18*y*z^3 + 12*y^2*z^3 + 2*y^3*z^3 - 18*z^4 + 27*y*z^4 - 6*y^2*z^4 + 18*z^5 - 12*y*z^5 - 6*z^6))/(y^2*z^2*(-1 + y + z)) - (Pi*(-11*y^3 + 43*y^4 - 75*y^5 + 77*y^6 - 46*y^7 + 12*y^8 - 13*y^2*z + 96*y^3*z - 238*y^4*z + 280*y^5*z - 165*y^6*z + 40*y^7*z + 16*y*z^2 - 21*y^2*z^2 - 86*y^3*z^2 + 211*y^4*z^2 - 154*y^5*z^2 + 34*y^6*z^2 + 12*z^3 - 98*y*z^3 + 207*y^2*z^3 - 171*y^3*z^3 + 59*y^4*z^3 - 6*y^5*z^3 - 36*z^4 + 172*y*z^4 - 281*y^2*z^4 + 190*y^3*z^4 - 42*y^4*z^4 + 36*z^5 - 114*y*z^5 + 120*y^2*z^5 - 42*y^3*z^5 - 12*z^6 + 24*y*z^6 - 12*y^2*z^6))/ (3*(-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)) + ((I/36)*(12*y^4 - 48*y^5 + 72*y^6 - 48*y^7 + 12*y^8 - 188*y^3*z + 646*y^4*z - 942*y^5*z + 830*y^6*z - 478*y^7*z + 132*y^8*z - 184*y^2*z^2 + 1410*y^3*z^2 - 3283*y^4*z^2 + 3508*y^5*z^2 - 1887*y^6*z^2 + 436*y^7*z^2 + 46*y*z^3 + 546*y^2*z^3 - 2603*y^3*z^3 + 3676*y^4*z^3 - 2083*y^5*z^3 + 418*y^6*z^3 + 138*z^4 - 800*y*z^4 + 1098*y^2*z^4 - 432*y^3*z^4 + 89*y^4*z^4 + 60*y^5*z^4 - 414*z^5 + 1738*y*z^5 - 2600*y^2*z^5 + 1777*y^3*z^5 - 348*y^4*z^5 + 414*z^6 - 1260*y*z^6 + 1278*y^2*z^6 - 432*y^3*z^6 - 138*z^7 + 276*y*z^7 - 138*y^2*z^7))/((-1 + y)^2*y^2*z^2* (-1 + y + z)*(y + z)))*G[0, -y, 1 - y, z] + ((Pi*(-2*y + 6*y^2 - 6*y^3 + 2*y^4 + y*z + 2*y^2*z - 7*y^3*z + 4*y^4*z - 9*z^2 + 13*y*z^2 - 20*y^2*z^2 + 16*y^3*z^2 + 18*z^3 - 21*y*z^3 + 9*y^2*z^3 - 9*z^4 + 9*y*z^4))/(3*(-1 + y)*z* (-1 + y + z)^2) + ((I/18)*Pi^2*(-6*y + 18*y^2 - 21*y^3 + 9*y^4 + 4*z + 6*y*z - 24*y^2*z + 13*y^3*z - 16*z^2 + 18*y*z^2 - 6*y^2*z^2 + 8*y^3*z^2 + 24*z^3 - 30*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/(y^2*(-1 + y + z)^2) - ((I/36)*(24*y^2 - 104*y^3 + 162*y^4 - 108*y^5 + 26*y^6 + 12*y*z - 32*y^2*z - 125*y^3*z + 380*y^4*z - 299*y^5*z + 64*y^6*z + 96*z^2 - 288*y*z^2 - 53*y^2*z^2 + 795*y^3*z^2 - 768*y^4*z^2 + 218*y^5*z^2 - 288*z^3 + 558*y*z^3 + 103*y^2*z^3 - 581*y^3*z^3 + 172*y^4*z^3 + 288*z^4 - 300*y*z^4 - 120*y^2*z^4 + 96*y^3*z^4 - 96*z^5 + 18*y*z^5 + 78*y^2*z^5))/((-1 + y)*y*z*(-1 + y + z)^2* (y + z)))*G[1, 0, 0, y] + (((-1/9*I)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) + (Pi*z*(12 - 41*y + 59*y^2 - 36*y^3 + 18*y^4 - 48*z + 123*y*z - 118*y^2*z + 36*y^3*z + 72*z^2 - 123*y*z^2 + 59*y^2*z^2 - 48*z^3 + 41*y*z^3 + 12*z^4))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(-24*y^3 + 72*y^4 - 72*y^5 + 24*y^6 + 48*y^3*z - 72*y^4*z + 24*y^6*z - 27*y*z^2 + 172*y^2*z^2 - 350*y^3*z^2 + 253*y^4*z^2 - 108*y^5*z^2 + 60*y^6*z^2 - 69*z^3 + 478*y*z^3 - 1265*y^2*z^3 + 1470*y^3*z^3 - 812*y^4*z^3 + 180*y^5*z^3 + 282*z^4 - 1365*y*z^4 + 2378*y^2*z^4 - 1746*y^3*z^4 + 451*y^4*z^4 - 432*z^5 + 1479*y*z^5 - 1631*y^2*z^5 + 602*y^3*z^5 + 294*z^6 - 640*y*z^6 + 346*y^2*z^6 - 75*z^7 + 75*y*z^7))/((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)))* G[1, 0, 0, z] + (((-1/18*I)*Pi^2*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 6*z - 9*y*z - 5*y^3*z - 24*z^2 + 45*y*z^2 - 27*y^2*z^2 + 14*y^3*z^2 + 36*z^3 - 51*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5))/(y^2*(-1 + y + z)^2) + ((I/36)*(6*y^2 + 14*y^3 - 90*y^4 + 126*y^5 - 68*y^6 + 12*y^7 - 6*y*z + 79*y^2*z + 112*y^3*z - 873*y^4*z + 1148*y^5*z - 484*y^6*z + 24*y^7*z - 12*z^2 + 209*y*z^2 - 328*y^2*z^2 - 861*y^3*z^2 + 2230*y^4*z^2 - 1376*y^5*z^2 + 138*y^6*z^2 + 180*z^3 - 1070*y*z^3 + 1555*y^2*z^3 - 212*y^3*z^3 - 780*y^4*z^3 + 174*y^5*z^3 - 468*z^4 + 1825*y*z^4 - 2328*y^2*z^4 + 972*y^3*z^4 - 154*y^4*z^4 + 444*z^5 - 1246*y*z^5 + 1160*y^2*z^5 - 358*y^3*z^5 - 144*z^6 + 288*y*z^6 - 144*y^2*z^6))/((-1 + y)^2*y^2*z* (-1 + y + z)*(y + z)) + (Pi*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - y^2*z - 13*y^3*z + 48*y^4*z - 53*y^5*z + 19*y^6*z - 17*y*z^2 + 52*y^2*z^2 - 33*y^3*z^2 - 16*y^4*z^2 + 8*y^5*z^2 + 6*y^6*z^2 - 12*z^3 + 95*y*z^3 - 208*y^2*z^3 + 197*y^3*z^3 - 90*y^4*z^3 + 21*y^5*z^3 + 36*z^4 - 163*y*z^4 + 255*y^2*z^4 - 165*y^3*z^4 + 40*y^4*z^4 - 36*z^5 + 109*y*z^5 - 110*y^2*z^5 + 37*y^3*z^5 + 12*z^6 - 24*y*z^6 + 12*y^2*z^6))/(3*(-1 + y)^2*y^2*z*(-1 + y + z)* (y + z)))*G[1, 0, 1, y] - (((2*I)/3)*Pi^2*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 1, z])/ (y^2*(-1 + y + z)^2) + ((2*Pi*(-1 + z)*z*(-1 + 3*y + z))/ (3*y*(-1 + y + z)) - ((I/18)*(-1 + z)*z*(3 - 37*y + 54*y^2 - 6*z + 37*y*z + 3*z^2))/(y^2*(-1 + y + z)) + ((I/18)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 14*z - 33*y*z + 24*y^2*z + 12*y^3*z - 56*z^2 + 117*y*z^2 - 75*y^2*z^2 + 84*z^3 - 123*y*z^3 + 42*y^2*z^3 - 56*z^4 + 42*y*z^4 + 14*z^5))/ (y^2*(-1 + y + z)^2))*G[1, 0, 1 - y, z] + ((((2*I)/9)*Pi^2*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + z + 6*y*z - 15*y^2*z + 9*y^3*z - 4*z^2 + 3*y^2*z^2 + 6*z^3 - 6*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5))/(y^2*(-1 + y + z)^2) - (Pi*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - 3*y^2*z + 26*y^3*z - 39*y^4*z + 12*y^5*z + 4*y^6*z + 22*y^2*z^2 - 52*y^3*z^2 + 15*y^4*z^2 + 27*y^5*z^2 + 4*z^3 - 22*y*z^3 + 37*y^2*z^3 - 60*y^3*z^3 + 69*y^4*z^3 - 24*z^4 + 104*y*z^4 - 167*y^2*z^4 + 109*y^3*z^4 + 48*z^5 - 142*y*z^5 + 111*y^2*z^5 - 40*z^6 + 60*y*z^6 + 12*z^7))/(3*y*z*(-1 + y + z)^2*(y + z)^2) + ((I/36)*(2*y^3 - 8*y^4 + 12*y^5 - 8*y^6 + 2*y^7 - 39*y^2*z - 194*y^3*z + 788*y^4*z - 822*y^5*z + 251*y^6*z + 16*y^7*z + 24*y*z^2 - 595*y^2*z^2 + 2213*y^3*z^2 - 2665*y^4*z^2 + 969*y^5*z^2 + 54*y^6*z^2 - 88*z^3 + 116*y*z^3 + 1015*y^2*z^3 - 2012*y^3*z^3 + 687*y^4*z^3 + 138*y^5*z^3 + 372*z^4 - 1022*y*z^4 + 1159*y^2*z^4 - 1293*y^3*z^4 + 496*y^4*z^4 - 600*z^5 + 1756*y*z^5 - 2134*y^2*z^5 + 834*y^3*z^5 + 436*z^6 - 994*y*z^6 + 558*y^2*z^6 - 120*z^7 + 120*y*z^7))/((-1 + y)*y*z*(-1 + y + z)^2* (y + z)^2))*G[1, 1, 0, y] + G[1 - y, -y, z]* (((-1/3*I)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, 1, y])/z^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 1, 0, y])/(y^2*z^2) + (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 1, 1, y])/(y^2*z^2) + ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[1, 0, 0, y])/z^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1, 0, 1, y])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 4*z^3 + 4*z^4)*G[1, 1, 0, y])/(y^2*z^2)) + (-1/3*(Pi*(-3 + z)*(-1 + z)^2)/(y*(-1 + y + z)) - (((5*I)/9)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)*(-3*y^2 + 15*y^4 - 18*y^5 + 6*y^6 + 3*y*z + 9*y^2*z - 12*y^3*z + 6*y^4*z - 18*y^5*z + 12*y^6*z + 6*z^2 - 3*y*z^2 - 89*y^2*z^2 + 178*y^3*z^2 - 128*y^4*z^2 + 36*y^5*z^2 - 21*z^3 - 26*y*z^3 + 215*y^2*z^3 - 248*y^3*z^3 + 71*y^4*z^3 + 27*z^4 + 46*y*z^4 - 164*y^2*z^4 + 82*y^3*z^4 - 15*z^5 - 17*y*z^5 + 32*y^2*z^5 + 3*z^6 - 3*y*z^6))/ ((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)))*G[1, 1, 0, z] + (((-I)*(-1 + y + z)*(y^3 + 3*y^2*z + 6*y^3*z - 11*y*z^2 + 11*y^2*z^2 - 6*z^3 + 11*y*z^3 + 6*z^4))/(y*z*(y + z)^2) - ((I/6)*Pi^2*(-5*y + 15*y^2 - 15*y^3 + 5*y^4 + 4*z + 3*y*z - 18*y^2*z + 13*y^3*z - 16*z^2 + 21*y*z^2 - 9*y^2*z^2 + 2*y^3*z^2 + 24*z^3 - 31*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (y^2*(-1 + y + z)^2))*G[1, 1, 1, y] + G[0, -y, z]* (((2*Pi*(-1 + y + z)*(3*y - 2*z + 2*z^2))/(3*y^2) - ((I/18)*(-12*y^3 + 3*y^4 - 69*y^2*z + 102*y^3*z + 6*y^4*z - 49*y*z^2 + 133*y^2*z^2 + 18*y^3*z^2 - 28*z^3 + 90*y*z^3 - y^2*z^3 + 56*z^4 - 41*y*z^4 - 28*z^5))/(y^2*z*(y + z)))* G[1, 0, y] + ((-2*Pi*(-1 + y + z)*(3*y - 4*z + 4*z^2))/(3*y^2) - ((I/18)*(-66*y^3 + 249*y^4 - 423*y^5 + 435*y^6 - 267*y^7 + 72*y^8 - 141*y^2*z + 873*y^3*z - 1941*y^4*z + 2076*y^5*z - 1116*y^6*z + 249*y^7*z + 121*y*z^2 - 55*y^2*z^2 - 933*y^3*z^2 + 1805*y^4*z^2 - 1160*y^5*z^2 + 222*y^6*z^2 + 88*z^3 - 727*y*z^3 + 1480*y^2*z^3 - 1165*y^3*z^3 + 394*y^4*z^3 - 52*y^5*z^3 - 264*z^4 + 1267*y*z^4 - 2078*y^2*z^4 + 1411*y^3*z^4 - 318*y^4*z^4 + 264*z^5 - 837*y*z^5 + 882*y^2*z^5 - 309*y^3*z^5 - 88*z^6 + 176*y*z^6 - 88*y^2*z^6))/ ((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)))*G[1, 1, y] - ((I/3)*(-3*y^3 + 3*y^4 - 4*z + 12*y*z - 12*y^2*z + 9*y^3*z + 16*z^2 - 36*y*z^2 + 24*y^2*z^2 - 6*y^3*z^2 - 24*z^3 + 36*y*z^3 - 12*y^2*z^3 + 16*z^4 - 12*y*z^4 - 4*z^5)*G[0, 0, 1, y])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)*G[0, 1, 0, y])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 1, 1, y])/ (y^2*z^2) + ((I/3)*(-6*y + 18*y^2 - 21*y^3 + 9*y^4 + 4*z + 6*y*z - 24*y^2*z + 19*y^3*z - 16*z^2 + 18*y*z^2 - 6*y^2*z^2 + 2*y^3*z^2 + 24*z^3 - 30*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)* G[1, 0, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(y^3 - 2*y^4 + y^5 - 2*y^4*z + 2*y^5*z - 6*y^3*z^2 + 4*y^4*z^2 - 2*z^3 + 4*y*z^3 - 2*y^2*z^3 + 2*y^3*z^3 + 6*z^4 - 8*y*z^4 + 2*y^2*z^4 - 6*z^5 + 4*y*z^5 + 2*z^6)*G[1, 0, 1, y])/ (y^2*z^2*(-1 + y + z)) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 9*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 12*z^3 + 27*y*z^3 - 18*y^2*z^3 + 3*y^3*z^3 + 6*y^4*z^3 + 48*z^4 - 99*y*z^4 + 63*y^2*z^4 - 12*y^3*z^4 - 72*z^5 + 105*y*z^5 - 36*y^2*z^5 + 48*z^6 - 36*y*z^6 - 12*z^7)*G[1, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) - (I*(-1 + y + z)*(3*y - 4*z + 4*z^2)*G[1, 1, 1, y])/y^2) + G[-y, 0, z]*((((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 1, 0, y])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 1, 1, y])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1, 0, 0, y])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 0, 1, y])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 1, 0, y])/ (y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1, 1, 1, y])/(y^2*z^2)) + G[-y, -y, z]* ((((-2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 0, 1, y])/(y^2*z^2) - (((4*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 1, 0, y])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 1, 1, y])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)*G[1, 0, 0, y])/ (y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1, 0, 1, y])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 3*y*z^2 - 10*z^3 + 10*z^4)*G[1, 1, 0, y])/(y^2*z^2) + (I*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[1, 1, 1, y])/(y^2*z^2)) + (((2*I)/9)*Pi^2*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 1, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/9)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((2*Pi*(-1 + z)*z*(-1 + 3*y + z))/(3*y*(-1 + y + z)) + (((2*I)/3)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)*z*(3 - 37*y + 54*y^2 - 6*z + 37*y*z + 3*z^2))/(y^2*(-1 + y + z)))*G[1, 1 - y, 0, z] - ((I/9)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 1, z])/(y^2*(-1 + y + z)^2) + ((I/9)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + z + 6*y*z - 15*y^2*z + 12*y^3*z - 4*z^2 + 3*y^2*z^2 + 6*z^3 - 6*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5)*G[1, 1 - y, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (-1/3*(Pi*z*(-12 + 25*y - 18*y^2 + 9*y^3 + 36*z - 50*y*z + 18*y^2*z - 36*z^2 + 25*y*z^2 + 12*z^3))/(y^2*(-1 + y + z)) + ((I/18)*(6*y^2 - 24*y^3 + 30*y^4 - 12*y^5 + 3*y*z - 35*y^2*z + 44*y^3*z - 33*y^4*z + 21*y^5*z + 69*z^2 - 296*y*z^2 + 471*y^2*z^2 - 337*y^3*z^2 + 111*y^4*z^2 - 213*z^3 + 676*y*z^3 - 699*y^2*z^3 + 254*y^3*z^3 + 219*z^4 - 458*y*z^4 + 239*y^2*z^4 - 75*z^5 + 75*y*z^5))/((-1 + y)*y^2*(-1 + y + z)*(y + z)) + ((I/9)*Pi^2*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + z^3 - 3*y*z^3 + 3*y^2*z^3 - 7*y^3*z^3 + 6*y^4*z^3 - 4*z^4 + 9*y*z^4 - 6*y^2*z^4 + 4*y^3*z^4 + 6*z^5 - 9*y*z^5 + 3*y^2*z^5 - 4*z^6 + 3*y*z^6 + z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1 - y, 0, 0, z] + ((I/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 10*z^3 + 10*z^4)* G[1 - y, 0, 1, z])/(y^2*z^2) + ((Pi*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5))/(3*y^2*z*(y + z)) - ((I/36)*(6*y^2 + 2*y^3 - 22*y^4 + 14*y^5 - 6*y*z + 97*y^2*z - 204*y^3*z + 73*y^4*z + 40*y^5*z - 12*z^2 + 233*y*z^2 - 495*y^2*z^2 + 172*y^3*z^2 + 66*y^4*z^2 + 174*z^3 - 661*y*z^3 + 547*y^2*z^3 - 96*y^3*z^3 - 312*z^4 + 584*y*z^4 - 272*y^2*z^4 + 150*z^5 - 150*y*z^5))/ ((-1 + y)*y^2*z*(y + z)) - ((I/18)*Pi^2*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z - 3*y*z^2 + 9*y^2*z^2 + 3*y^3*z^2 - 27*y^4*z^2 + 18*y^5*z^2 + 10*z^3 - 21*y*z^3 + 12*y^2*z^3 - 25*y^3*z^3 + 18*y^4*z^3 - 40*z^4 + 81*y*z^4 - 51*y^2*z^4 + 22*y^3*z^4 + 60*z^5 - 87*y*z^5 + 30*y^2*z^5 - 40*z^6 + 30*y*z^6 + 10*z^7))/(y^2*z^2*(-1 + y + z)^2))* G[1 - y, 0, 1 - y, z] + (((I/18)*Pi^2*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 8*z^3 - 24*y*z^3 + 24*y^2*z^3 - 11*y^3*z^3 + 6*y^4*z^3 - 32*z^4 + 72*y*z^4 - 48*y^2*z^4 + 8*y^3*z^4 + 48*z^5 - 72*y*z^5 + 24*y^2*z^5 - 32*z^6 + 24*y*z^6 + 8*z^7))/(y^2*z^2*(-1 + y + z)^2) + ((I/36)*(-28*y^4 + 168*y^5 - 392*y^6 + 448*y^7 - 252*y^8 + 56*y^9 - 108*y^3*z + 600*y^4*z - 1164*y^5*z + 812*y^6*z + 168*y^7*z - 468*y^8*z + 160*y^9*z - 468*y^2*z^2 + 2532*y^3*z^2 - 4958*y^4*z^2 + 3948*y^5*z^2 - 90*y^6*z^2 - 1684*y^7*z^2 + 720*y^8*z^2 - 373*y*z^3 + 3309*y^2*z^3 - 9270*y^3*z^3 + 11202*y^4*z^3 - 5248*y^5*z^3 - 688*y^6*z^3 + 1068*y^7*z^3 - 138*z^4 + 2067*y*z^4 - 8648*y^2*z^4 + 14986*y^3*z^4 - 11968*y^4*z^4 + 3496*y^5*z^4 + 358*y^6*z^4 + 552*z^5 - 4239*y*z^5 + 10861*y^2*z^5 - 12404*y^3*z^5 + 6340*y^4*z^5 - 804*y^5*z^5 - 828*z^6 + 4045*y*z^6 - 6812*y^2*z^6 + 4936*y^3*z^6 - 1188*y^4*z^6 + 552*z^7 - 1776*y*z^7 + 1896*y^2*z^7 - 672*y^3*z^7 - 138*z^8 + 276*y*z^8 - 138*y^2*z^8))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) - (Pi*(-4*y^4 + 24*y^5 - 56*y^6 + 64*y^7 - 36*y^8 + 8*y^9 - 9*y^3*z + 57*y^4*z - 129*y^5*z + 119*y^6*z - 18*y^7*z - 36*y^8*z + 16*y^9*z - 24*y^2*z^2 + 132*y^3*z^2 - 257*y^4*z^2 + 168*y^5*z^2 + 99*y^6*z^2 - 190*y^7*z^2 + 72*y^8*z^2 - 28*y*z^3 + 207*y^2*z^3 - 516*y^3*z^3 + 516*y^4*z^3 - 67*y^5*z^3 - 226*y^6*z^3 + 114*y^7*z^3 - 12*z^4 + 162*y*z^4 - 605*y^2*z^4 + 934*y^3*z^4 - 598*y^4*z^4 + 58*y^5*z^4 + 64*y^6*z^4 + 48*z^5 - 342*y*z^5 + 817*y^2*z^5 - 851*y^3*z^5 + 370*y^4*z^5 - 36*y^5*z^5 - 72*z^6 + 334*y*z^6 - 539*y^2*z^6 + 364*y^3*z^6 - 84*y^4*z^6 + 48*z^7 - 150*y*z^7 + 156*y^2*z^7 - 54*y^3*z^7 - 12*z^8 + 24*y*z^8 - 12*y^2*z^8))/(3*(-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2))* G[1 - y, 1, 0, z] - (((2*I)/9)*Pi^2*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)* G[1 - y, 1, 1, z])/(y^2*(-1 + y + z)^2) - ((I/18)*Pi^2*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 45*y^3*z^2 - 21*y^4*z^2 + 6*y^5*z^2 - 14*z^3 - 3*y*z^3 + 48*y^2*z^3 - 27*y^3*z^3 + 6*y^4*z^3 + 56*z^4 - 81*y*z^4 + 39*y^2*z^4 - 18*y^3*z^4 - 84*z^5 + 111*y*z^5 - 42*y^2*z^5 + 56*z^6 - 42*y*z^6 - 14*z^7)*G[1 - y, 1, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + (((I/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4))/ (y^2*z^2) + (Pi*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5))/(3*y^2*z*(y + z)) - ((I/36)*(6*y^2 + 2*y^3 - 22*y^4 + 14*y^5 - 6*y*z + 97*y^2*z - 204*y^3*z + 73*y^4*z + 40*y^5*z - 12*z^2 + 233*y*z^2 - 495*y^2*z^2 + 172*y^3*z^2 + 66*y^4*z^2 + 174*z^3 - 661*y*z^3 + 547*y^2*z^3 - 96*y^3*z^3 - 312*z^4 + 584*y*z^4 - 272*y^2*z^4 + 150*z^5 - 150*y*z^5))/((-1 + y)*y^2*z*(y + z)))* G[1 - y, 1 - y, 0, z] - ((I/18)*Pi^2*(-1 + y + z)* (y^3 + 2*y^3*z + 6*z^3 - 6*z^4)*G[1 - y, 1 - y, 1, z])/(y^2*z^2) + (((-I)*(-1 + y + z)*(y^3 + 3*y^2*z + 6*y^3*z - 11*y*z^2 + 11*y^2*z^2 - 6*z^3 + 11*y*z^3 + 6*z^4))/(y*z*(y + z)^2) - ((I/18)*Pi^2*(-1 + y + z)*(4*y^3 + 8*y^3*z + 9*y*z^2 - 8*z^3 + 8*z^4))/(y^2*z^2))*G[1 - y, 1 - y, 1 - y, z] + (((-1/18*I)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) + (Pi*(-13*y^2 + 51*y^3 - 87*y^4 + 85*y^5 - 48*y^6 + 12*y^7 - y*z + 19*y^2*z - 60*y^3*z + 88*y^4*z - 67*y^5*z + 21*y^6*z - 12*z^2 + 47*y*z^2 - 74*y^2*z^2 + 76*y^3*z^2 - 52*y^4*z^2 + 15*y^5*z^2 + 36*z^3 - 115*y*z^3 + 134*y^2*z^3 - 67*y^3*z^3 + 15*y^4*z^3 - 36*z^4 + 93*y*z^4 - 78*y^2*z^4 + 21*y^3*z^4 + 12*z^5 - 24*y*z^5 + 12*y^2*z^5))/ (3*(-1 + y)^2*y^2*z*(-1 + y + z)) - ((I/36)*(-6*y^2 + 42*y^3 - 108*y^4 + 132*y^5 - 78*y^6 + 18*y^7 + 6*y*z - 244*y^2*z + 810*y^3*z - 1170*y^4*z + 1000*y^5*z - 546*y^6*z + 144*y^7*z + 12*z^2 - 25*y*z^2 + 10*y^2*z^2 + 141*y^3*z^2 - 98*y^4*z^2 - 214*y^5*z^2 + 174*y^6*z^2 - 180*z^3 + 518*y*z^3 - 56*y^2*z^3 - 974*y^3*z^3 + 818*y^4*z^3 - 126*y^5*z^3 + 468*z^4 - 1273*y*z^4 + 944*y^2*z^4 + 140*y^3*z^4 - 126*y^4*z^4 - 444*z^5 + 1062*y*z^5 - 792*y^2*z^5 + 174*y^3*z^5 + 144*z^6 - 288*y*z^6 + 144*y^2*z^6))/((-1 + y)^2*y^2*z^2* (-1 + y + z)))*G[1 - y, -y, 1 - y, z] - ((I/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 1, z])/(y^2*z^2) + ((Pi*(-2*y^2 + 2*y^3 - 4*y*z - y^2*z + 4*y^3*z - 8*z^2 + 7*y*z^2 + 6*y^2*z^2 + 10*z^3 - 2*z^4))/(3*y*z*(y + z)) - ((I/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) - ((I/36)*(-1 + y + z)*(14*y^3 + 103*y^2*z + 40*y^3*z + 263*y*z^2 - 22*y^2*z^2 - 6*z^3 - 56*y*z^3 + 6*z^4))/ (y^2*z*(y + z)))*G[-y, 0, 1 - y, z] + ((Pi*(-2*y^2 + 2*y^3 - 4*y*z - y^2*z + 4*y^3*z - 8*z^2 + 7*y*z^2 + 6*y^2*z^2 + 10*z^3 - 2*z^4))/(3*y*z*(y + z)) - ((I/36)*(-1 + y + z)*(14*y^3 + 103*y^2*z + 40*y^3*z + 263*y*z^2 - 22*y^2*z^2 - 6*z^3 - 56*y*z^3 + 6*z^4))/(y^2*z*(y + z)))* G[-y, 1 - y, 0, z] - ((I/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 1, z])/(y^2*z^2) + (((-1/18*I)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4))/(y^2*z^2) + (Pi*(10*y^2 - 13*y^3 + 12*y^4 + y*z - 15*y^2*z + 7*y^3*z + 12*z^2 - 8*y*z^2 + 8*y^2*z^2 - 24*z^3 + 7*y*z^3 + 12*z^4))/(3*y^2*z) - ((I/36)*(6*y^2 - 39*y^3 + 81*y^4 - 69*y^5 + 21*y^6 - 6*y*z + 202*y^2*z - 612*y^3*z + 792*y^4*z - 526*y^5*z + 150*y^6*z - 12*z^2 + 85*y*z^2 - 603*y^2*z^2 + 982*y^3*z^2 - 660*y^4*z^2 + 208*y^5*z^2 + 186*z^3 - 522*y*z^3 + 622*y^2*z^3 - 244*y^3*z^3 - 6*y^4*z^3 - 486*z^4 + 963*y*z^4 - 435*y^2*z^4 - 6*y^3*z^4 + 462*z^5 - 670*y*z^5 + 208*y^2*z^5 - 150*z^6 + 150*y*z^6))/ ((-1 + y)*y^2*z^2*(-1 + y + z)))*G[-y, 1 - y, 1 - y, z] + ((Pi*(-1 + z)*(-4 + y + z)*(y + z))/(3*y*z) + ((I/18)*Pi^2*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 - 4*z^3 + 4*z^4))/(y^2*z^2) - ((I/36)*(3*y^3 - 3*y^4 - 3*y^5 + 3*y^6 + 112*y^2*z - 372*y^3*z + 396*y^4*z - 142*y^5*z + 6*y^6*z + 229*y*z^2 - 1017*y^2*z^2 + 1408*y^3*z^2 - 720*y^4*z^2 + 100*y^5*z^2 - 6*z^3 - 516*y*z^3 + 1390*y^2*z^3 - 1096*y^3*z^3 + 246*y^4*z^3 + 6*z^4 + 387*y*z^4 - 621*y^2*z^4 + 246*y^3*z^4 + 6*z^5 - 106*y*z^5 + 100*y^2*z^5 - 6*z^6 + 6*y*z^6))/ ((-1 + y)*y^2*z^2*(-1 + y + z)))*G[-y, -y, 1 - y, z] + ((2*Pi*y*(-3 + 3*y + 7*z - 4*z^2))/(3*(-1 + y + z)^2) + ((I/18)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 171*y^2*z - 564*y^3*z + 627*y^4*z - 246*y^5*z + 12*y^6*z - 72*z^2 + 246*y*z^2 - 672*y^2*z^2 + 949*y^3*z^2 - 499*y^4*z^2 + 48*y^5*z^2 + 288*z^3 - 810*y*z^3 + 1005*y^2*z^3 - 535*y^3*z^3 + 34*y^4*z^3 - 432*z^4 + 954*y*z^4 - 678*y^2*z^4 + 156*y^3*z^4 + 288*z^5 - 462*y*z^5 + 174*y^2*z^5 - 72*z^6 + 72*y*z^6))/((-1 + y)*y^2*z* (-1 + y + z)^2))*G[0, 0, 0, 1, y] - ((I/2)*z*(-8 + 17*y - 12*y^2 + 7*y^3 + 24*z - 34*y*z + 12*y^2*z - 24*z^2 + 17*y*z^2 + 8*z^3)*G[0, 0, 0, 1 - y, z])/ (y^2*(-1 + y + z)) + ((-2*Pi*(-3*y^3 + 3*y^4 - 2*z + 6*y*z - 6*y^2*z + 9*y^3*z + 8*z^2 - 18*y*z^2 + 12*y^2*z^2 - 6*y^3*z^2 - 12*z^3 + 18*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5))/(3*y^2*(-1 + y + z)^2) + ((I/18)*(12*y^4 - 48*y^5 + 72*y^6 - 48*y^7 + 12*y^8 + 18*y^3*z - 210*y^4*z + 543*y^5*z - 513*y^6*z + 138*y^7*z + 24*y^8*z - 10*y^2*z^2 - 173*y^3*z^2 + 798*y^4*z^2 - 1062*y^5*z^2 + 258*y^6*z^2 + 180*y^7*z^2 - 44*y*z^3 + 246*y^2*z^3 - 304*y^3*z^3 + 60*y^4*z^3 - 384*y^5*z^3 + 462*y^6*z^3 - 10*z^4 + 303*y*z^4 - 1244*y^2*z^4 + 2049*y^3*z^4 - 1752*y^4*z^4 + 753*y^5*z^4 + 64*z^5 - 739*y*z^5 + 2047*y^2*z^5 - 2185*y^3*z^5 + 867*y^4*z^5 - 126*z^6 + 755*y*z^6 - 1224*y^2*z^6 + 595*y^3*z^6 + 100*z^7 - 303*y*z^7 + 203*y^2*z^7 - 28*z^8 + 28*y*z^8))/ ((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[0, 0, 1, 0, y] + ((-8*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(30*y^4 - 120*y^5 + 180*y^6 - 120*y^7 + 30*y^8 + 63*y^3*z - 249*y^4*z + 309*y^5*z - 63*y^6*z - 120*y^7*z + 60*y^8*z + 196*y^2*z^2 - 980*y^3*z^2 + 1783*y^4*z^2 - 1314*y^5*z^2 + 291*y^6*z^2 - 48*y^7*z^2 + 72*y^8*z^2 + 251*y*z^3 - 1877*y^2*z^3 + 4987*y^3*z^3 - 6088*y^4*z^3 + 3684*y^5*z^3 - 1245*y^6*z^3 + 288*y^7*z^3 + 106*z^4 - 1462*y*z^4 + 5765*y^2*z^4 - 10010*y^3*z^4 + 8592*y^4*z^4 - 3684*y^5*z^4 + 711*y^6*z^4 - 400*z^5 + 2984*y*z^5 - 7709*y^2*z^5 + 9083*y^3*z^5 - 5047*y^4*z^5 + 1125*y^5*z^5 + 570*z^6 - 2780*y*z^6 + 4829*y^2*z^6 - 3598*y^3*z^6 + 997*y^4*z^6 - 364*z^7 + 1183*y*z^7 - 1274*y^2*z^7 + 455*y^3*z^7 + 88*z^8 - 176*y*z^8 + 88*y^2*z^8))/((-1 + y)^2*y^2*z* (-1 + y + z)^2*(y + z)^2))*G[0, 0, 1, 0, z] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/9)*(6*y^3 - 30*y^4 + 54*y^5 - 42*y^6 + 12*y^7 + 3*y^2*z + 27*y^3*z - 114*y^4*z + 159*y^5*z - 99*y^6*z + 24*y^7*z + 73*y*z^2 - 235*y^2*z^2 + 189*y^3*z^2 + 68*y^4*z^2 - 128*y^5*z^2 + 33*y^6*z^2 + 58*z^3 - 430*y*z^3 + 922*y^2*z^3 - 817*y^3*z^3 + 298*y^4*z^3 - 22*y^5*z^3 - 174*z^4 + 757*y*z^4 - 1142*y^2*z^4 + 709*y^3*z^4 - 141*y^4*z^4 + 174*z^5 - 516*y*z^5 + 510*y^2*z^5 - 168*y^3*z^5 - 58*z^6 + 116*y*z^6 - 58*y^2*z^6))/ ((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)))*G[0, 0, 1, 1, y] - ((I/2)*z*(-8 + 17*y - 12*y^2 + 7*y^3 + 24*z - 34*y*z + 12*y^2*z - 24*z^2 + 17*y*z^2 + 8*z^3)*G[0, 0, 1 - y, 0, z])/ (y^2*(-1 + y + z)) + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/9)*(6*y^3 - 12*y^4 + 6*y^5 + 3*y^2*z - 6*y^3*z - 9*y^4*z + 12*y^5*z + 73*y*z^2 - 140*y^2*z^2 + 58*y^3*z^2 + 3*y^4*z^2 + 58*z^3 - 320*y*z^3 + 320*y^2*z^3 - 76*y^3*z^3 - 174*z^4 + 421*y*z^4 - 183*y^2*z^4 + 174*z^5 - 174*y*z^5 - 58*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[0, 0, 1 - y, 1 - y, z] + ((2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 14*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 - 2*y^3*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(87*y^3 - 432*y^4 + 930*y^5 - 1140*y^6 + 855*y^7 - 372*y^8 + 72*y^9 + 156*y^2*z - 1197*y^3*z + 3417*y^4*z - 4893*y^5*z + 3807*y^6*z - 1554*y^7*z + 264*y^8*z + 97*y*z^2 - 1061*y^2*z^2 + 4012*y^3*z^2 - 7058*y^4*z^2 + 6223*y^5*z^2 - 2597*y^6*z^2 + 384*y^7*z^2 + 100*z^3 - 846*y*z^3 + 3165*y^2*z^3 - 6030*y^3*z^3 + 5820*y^4*z^3 - 2490*y^5*z^3 + 281*y^6*z^3 - 406*z^4 + 2180*y*z^4 - 4711*y^2*z^4 + 4925*y^3*z^4 - 2317*y^4*z^4 + 311*y^5*z^4 + 612*z^5 - 2392*y*z^5 + 3437*y^2*z^5 - 2146*y^3*z^5 + 471*y^4*z^5 - 406*z^6 + 1161*y*z^6 - 1104*y^2*z^6 + 349*y^3*z^6 + 100*z^7 - 200*y*z^7 + 100*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)))*G[0, 0, -y, 1 - y, z] + ((I/6)*(-4*y^3 + 8*y^4 - 8*y^6 + 4*y^7 - 6*y^2*z - 18*y^3*z + 105*y^4*z - 121*y^5*z + 32*y^6*z + 8*y^7*z - 52*y^2*z^2 + 234*y^3*z^2 - 315*y^4*z^2 + 88*y^5*z^2 + 48*y^6*z^2 + 8*z^3 - 48*y*z^3 + 177*y^2*z^3 - 275*y^3*z^3 + 66*y^4*z^3 + 96*y^5*z^3 - 16*z^4 + 48*y*z^4 - 33*y^2*z^4 - 72*y^3*z^4 + 112*y^4*z^4 + 56*y*z^5 - 134*y^2*z^5 + 96*y^3*z^5 + 16*z^6 - 64*y*z^6 + 48*y^2*z^6 - 8*z^7 + 8*y*z^7)*G[0, 1, 0, 0, y])/ ((-1 + y)*y*z*(-1 + y + z)^2*(y + z)^2) + ((I/3)*(4*y^4 - 16*y^5 + 24*y^6 - 16*y^7 + 4*y^8 + 9*y^3*z - 35*y^4*z + 43*y^5*z - 9*y^6*z - 16*y^7*z + 8*y^8*z + 24*y^2*z^2 - 126*y^3*z^2 + 241*y^4*z^2 - 204*y^5*z^2 + 87*y^6*z^2 - 40*y^7*z^2 + 18*y^8*z^2 + 28*y*z^3 - 228*y^2*z^3 + 651*y^3*z^3 - 882*y^4*z^3 + 646*y^5*z^3 - 287*y^6*z^3 + 72*y^7*z^3 + 12*z^4 - 174*y*z^4 + 737*y^2*z^4 - 1393*y^3*z^4 + 1342*y^4*z^4 - 673*y^5*z^4 + 152*y^6*z^4 - 47*z^5 + 375*y*z^5 - 1042*y^2*z^5 + 1336*y^3*z^5 - 820*y^4*z^5 + 204*y^5*z^5 + 70*z^6 - 367*y*z^6 + 683*y^2*z^6 - 545*y^3*z^6 + 162*y^4*z^6 - 47*z^7 + 162*y*z^7 - 183*y^2*z^7 + 68*y^3*z^7 + 12*z^8 - 24*y*z^8 + 12*y^2*z^8)*G[0, 1, 0, 0, z])/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) + ((-2*Pi*(-3*y^3 + 3*y^4 - 2*z + 6*y*z - 6*y^2*z + 9*y^3*z + 8*z^2 - 18*y*z^2 + 12*y^2*z^2 - 6*y^3*z^2 - 12*z^3 + 18*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5))/(3*y^2*(-1 + y + z)^2) + ((I/18)*(-12*y^3 + 66*y^4 - 144*y^5 + 156*y^6 - 84*y^7 + 18*y^8 - 6*y^2*z + 174*y^3*z - 669*y^4*z + 987*y^5*z - 597*y^6*z + 75*y^7*z + 36*y^8*z - 146*y*z^2 + 817*y^2*z^2 - 2087*y^3*z^2 + 2754*y^4*z^2 - 1713*y^5*z^2 + 303*y^6*z^2 + 72*y^7*z^2 - 116*z^3 + 1095*y*z^3 - 3459*y^2*z^3 + 5141*y^3*z^3 - 3720*y^4*z^3 + 1038*y^5*z^3 + 21*y^6*z^3 + 458*z^4 - 2617*y*z^4 + 5543*y^2*z^4 - 5406*y^3*z^4 + 2325*y^4*z^4 - 285*y^5*z^4 - 684*z^5 + 2783*y*z^5 - 4117*y^2*z^5 + 2621*y^3*z^5 - 585*y^4*z^5 + 458*z^6 - 1347*y*z^6 + 1320*y^2*z^6 - 431*y^3*z^6 - 116*z^7 + 232*y*z^7 - 116*y^2*z^7))/((-1 + y)^2*y^2*z* (-1 + y + z)^2*(y + z)))*G[0, 1, 0, 1, y] + (((2*I)/3)*(-1 + z)*z*(-1 + 3*y + z)*G[0, 1, 0, 1 - y, z])/ (y*(-1 + y + z)) + ((2*Pi*(-3*y^3 + 3*y^4 + 2*z - 6*y*z + 6*y^2*z + 5*y^3*z - 8*z^2 + 18*y*z^2 - 12*y^2*z^2 - 2*y^3*z^2 + 12*z^3 - 18*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(6*y^4 - 24*y^5 + 36*y^6 - 24*y^7 + 6*y^8 + 9*y^3*z + 39*y^4*z - 237*y^5*z + 333*y^6*z - 156*y^7*z + 12*y^8*z - 10*y^2*z^2 + 133*y^3*z^2 - 588*y^4*z^2 + 1004*y^5*z^2 - 548*y^6*z^2 + 9*y^7*z^2 - 32*y*z^3 + 162*y^2*z^3 - 448*y^3*z^3 + 838*y^4*z^3 - 519*y^5*z^3 - 37*y^6*z^3 - 10*z^4 + 147*y*z^4 - 350*y^2*z^4 + 299*y^3*z^4 - 24*y^4*z^4 - 134*y^5*z^4 + 64*z^5 - 343*y*z^5 + 391*y^2*z^5 + 6*y^3*z^5 - 154*y^4*z^5 - 126*z^6 + 383*y*z^6 - 258*y^2*z^6 + y^3*z^6 + 100*z^7 - 183*y*z^7 + 83*y^2*z^7 - 28*z^8 + 28*y*z^8))/ ((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[0, 1, 1, 0, y] + ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y*z^2 - 17*y^2*z^2 + 28*y^3*z^2 - 29*y^4*z^2 + 12*y^5*z^2 + 7*z^3 - 31*y*z^3 + 56*y^2*z^3 - 50*y^3*z^3 + 21*y^4*z^3 - 12*z^4 + 34*y*z^4 - 36*y^2*z^4 + 18*y^3*z^4 + 2*y^4*z^4 + 3*z^5 - 5*y*z^5 + y^2*z^5 + 4*y^3*z^5 + 2*z^6 - 4*y*z^6 + 2*y^2*z^6)* G[0, 1, 1, 0, z])/((-1 + y)^2*y*z*(-1 + y + z)*(y + z)^2) - ((I/2)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 13*y*z^2 + 9*y^2*z^2 + 2*y^3*z^2 - 8*z^3 + 28*y*z^3 - 9*y^2*z^3 + 16*z^4 - 15*y*z^4 - 8*z^5)*G[0, 1, 1, 1, y])/(y^2*z*(y + z)) + (((2*I)/3)*(-1 + z)*z*(-1 + 3*y + z)*G[0, 1, 1 - y, 0, z])/ (y*(-1 + y + z)) - ((I/2)*z*(-8 + 17*y - 12*y^2 + 7*y^3 + 24*z - 34*y*z + 12*y^2*z - 24*z^2 + 17*y*z^2 + 8*z^3)* G[0, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)) + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/9)*(6*y^3 - 12*y^4 + 6*y^5 + 3*y^2*z - 6*y^3*z - 9*y^4*z + 12*y^5*z + 73*y*z^2 - 140*y^2*z^2 + 58*y^3*z^2 + 3*y^4*z^2 + 58*z^3 - 320*y*z^3 + 320*y^2*z^3 - 76*y^3*z^3 - 174*z^4 + 421*y*z^4 - 183*y^2*z^4 + 174*z^5 - 174*y*z^5 - 58*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[0, 1 - y, 0, 1 - y, z] + ((-8*Pi*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(-30*y^4 + 180*y^5 - 420*y^6 + 480*y^7 - 270*y^8 + 60*y^9 - 63*y^3*z + 405*y^4*z - 927*y^5*z + 861*y^6*z - 126*y^7*z - 270*y^8*z + 120*y^9*z - 196*y^2*z^2 + 1067*y^3*z^2 - 2092*y^4*z^2 + 1481*y^5*z^2 + 566*y^6*z^2 - 1366*y^7*z^2 + 540*y^8*z^2 - 251*y*z^3 + 1829*y^2*z^3 - 4606*y^3*z^3 + 4916*y^4*z^3 - 1315*y^5*z^3 - 1405*y^6*z^3 + 832*y^7*z^3 - 106*z^4 + 1429*y*z^4 - 5360*y^2*z^4 + 8464*y^3*z^4 - 5798*y^4*z^4 + 991*y^5*z^4 + 398*y^6*z^4 + 406*z^5 - 2903*y*z^5 + 6977*y^2*z^5 - 7351*y^3*z^5 + 3281*y^4*z^5 - 374*y^5*z^5 - 582*z^6 + 2699*y*z^6 - 4352*y^2*z^6 + 2935*y^3*z^6 - 682*y^4*z^6 + 370*z^7 - 1150*y*z^7 + 1190*y^2*z^7 - 410*y^3*z^7 - 88*z^8 + 176*y*z^8 - 88*y^2*z^8))/((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2))* G[0, 1 - y, 1, 0, z] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/9)*(6*y^3 - 12*y^4 + 6*y^5 + 3*y^2*z - 6*y^3*z - 9*y^4*z + 12*y^5*z + 73*y*z^2 - 140*y^2*z^2 + 58*y^3*z^2 + 3*y^4*z^2 + 58*z^3 - 320*y*z^3 + 320*y^2*z^3 - 76*y^3*z^3 - 174*z^4 + 421*y*z^4 - 183*y^2*z^4 + 174*z^5 - 174*y*z^5 - 58*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[0, 1 - y, 1 - y, 0, z] + ((I/2)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 13*y*z^2 + 9*y^2*z^2 + 2*y^3*z^2 - 8*z^3 + 28*y*z^3 - 9*y^2*z^3 + 16*z^4 - 15*y*z^4 - 8*z^5)*G[0, 1 - y, 1 - y, 1 - y, z])/(y^2*z*(y + z)) + ((-2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(75*y^3 - 372*y^4 + 810*y^5 - 1020*y^6 + 795*y^7 - 360*y^8 + 72*y^9 + 150*y^2*z - 1200*y^3*z + 3504*y^4*z - 5091*y^5*z + 3999*y^6*z - 1641*y^7*z + 279*y^8*z - 121*y*z^2 - 31*y^2*z^2 + 2189*y^3*z^2 - 5538*y^4*z^2 + 5571*y^5*z^2 - 2403*y^6*z^2 + 333*y^7*z^2 - 88*z^3 + 927*y*z^3 - 2088*y^2*z^3 + 1159*y^3*z^3 + 723*y^4*z^3 - 588*y^5*z^3 - 45*y^6*z^3 + 346*z^4 - 2207*y*z^4 + 4591*y^2*z^4 - 4332*y^3*z^4 + 2079*y^4*z^4 - 495*y^5*z^4 - 516*z^5 + 2311*y*z^5 - 3686*y^2*z^5 + 2503*y^3*z^5 - 630*y^4*z^5 + 346*z^6 - 1086*y*z^6 + 1134*y^2*z^6 - 394*y^3*z^6 - 88*z^7 + 176*y*z^7 - 88*y^2*z^7))/((-1 + y)^2*y^2*z* (-1 + y + z)^2*(y + z)))*G[0, 1 - y, -y, 1 - y, z] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/18)*(-18*y^3 + 18*y^4 - 27*y^2*z - 9*y^3*z + 36*y^4*z - 107*y*z^2 + 89*y^2*z^2 + 54*y^3*z^2 - 44*z^3 + 204*y*z^3 - 35*y^2*z^3 + 88*z^4 - 97*y*z^4 - 44*z^5))/(y^2*z*(y + z)))* G[0, -y, 0, 1 - y, z] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/18)*(-18*y^3 + 18*y^4 - 27*y^2*z - 9*y^3*z + 36*y^4*z - 107*y*z^2 + 89*y^2*z^2 + 54*y^3*z^2 - 44*z^3 + 204*y*z^3 - 35*y^2*z^3 + 88*z^4 - 97*y*z^4 - 44*z^5))/(y^2*z*(y + z)))* G[0, -y, 1 - y, 0, z] + ((-2*Pi*(-1 + y + z)*(3*y - 4*z + 4*z^2))/ (3*y^2) - ((I/18)*(-66*y^3 + 249*y^4 - 423*y^5 + 435*y^6 - 267*y^7 + 72*y^8 - 141*y^2*z + 873*y^3*z - 1941*y^4*z + 2076*y^5*z - 1116*y^6*z + 249*y^7*z + 121*y*z^2 - 55*y^2*z^2 - 933*y^3*z^2 + 1805*y^4*z^2 - 1160*y^5*z^2 + 222*y^6*z^2 + 88*z^3 - 727*y*z^3 + 1480*y^2*z^3 - 1165*y^3*z^3 + 394*y^4*z^3 - 52*y^5*z^3 - 264*z^4 + 1267*y*z^4 - 2078*y^2*z^4 + 1411*y^3*z^4 - 318*y^4*z^4 + 264*z^5 - 837*y*z^5 + 882*y^2*z^5 - 309*y^3*z^5 - 88*z^6 + 176*y*z^6 - 88*y^2*z^6))/((-1 + y)^2*y^2*z*(-1 + y + z)* (y + z)))*G[0, -y, 1 - y, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(3*y - 4*z + 4*z^2))/(3*y^2) - ((I/18)*(6*y^3 - 39*y^4 + 81*y^5 - 69*y^6 + 21*y^7 - 42*y^2*z + 279*y^3*z - 618*y^4*z + 618*y^5*z - 288*y^6*z + 51*y^7*z + 58*y*z^2 - 55*y^2*z^2 - 357*y^3*z^2 + 743*y^4*z^2 - 485*y^5*z^2 + 96*y^6*z^2 + 16*z^3 - 241*y*z^3 + 544*y^2*z^3 - 436*y^3*z^3 + 124*y^4*z^3 + 2*y^5*z^3 - 48*z^4 + 340*y*z^4 - 665*y^2*z^4 + 502*y^3*z^4 - 120*y^4*z^4 + 48*z^5 - 189*y*z^5 + 234*y^2*z^5 - 93*y^3*z^5 - 16*z^6 + 32*y*z^6 - 16*y^2*z^6))/ ((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)))*G[0, -y, -y, 1 - y, z] + ((I/2)*(-2*y + 6*y^2 - 6*y^3 + 2*y^4 + y*z + 2*y^2*z - 7*y^3*z + 4*y^4*z - 7*z^2 + 11*y*z^2 - 18*y^2*z^2 + 14*y^3*z^2 + 14*z^3 - 17*y*z^3 + 9*y^2*z^3 - 7*z^4 + 7*y*z^4)*G[1, 0, 0, 0, y])/ ((-1 + y)*z*(-1 + y + z)^2) + ((I/2)*z*(8 - 29*y + 43*y^2 - 28*y^3 + 14*y^4 - 32*z + 87*y*z - 86*y^2*z + 28*y^3*z + 48*z^2 - 87*y*z^2 + 43*y^2*z^2 - 32*z^3 + 29*y*z^3 + 8*z^4)*G[1, 0, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((2*Pi*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 4*z - 3*y*z - 6*y^2*z + 7*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 2*y^3*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(6*y^4 - 24*y^5 + 36*y^6 - 24*y^7 + 6*y^8 - 54*y^2*z + 357*y^3*z - 891*y^4*z + 1059*y^5*z - 591*y^6*z + 108*y^7*z + 12*y^8*z + 70*y*z^2 - 95*y^2*z^2 - 500*y^3*z^2 + 1282*y^4*z^2 - 947*y^5*z^2 + 103*y^6*z^2 + 87*y^7*z^2 + 88*z^3 - 720*y*z^3 + 1707*y^2*z^3 - 1716*y^3*z^3 + 978*y^4*z^3 - 573*y^5*z^3 + 236*y^6*z^3 - 346*z^4 + 1892*y*z^4 - 3727*y^2*z^4 + 3539*y^3*z^4 - 1744*y^4*z^4 + 395*y^5*z^4 + 516*z^5 - 2098*y*z^5 + 3125*y^2*z^5 - 2020*y^3*z^5 + 486*y^4*z^5 - 346*z^6 + 1032*y*z^6 - 1026*y^2*z^6 + 340*y^3*z^6 + 88*z^7 - 176*y*z^7 + 88*y^2*z^7))/((-1 + y)^2*y^2*z* (-1 + y + z)^2*(y + z)))*G[1, 0, 0, 1, y] + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)*z*(-44 + 135*y - 153*y^2 + 90*y^3 + 132*z - 270*y*z + 153*y^2*z - 132*z^2 + 135*y*z^2 + 44*z^3))/(y^2*(-1 + y + z)^2))*G[1, 0, 0, 1 - y, z] + ((-2*Pi*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 4*z - 3*y*z - 6*y^2*z + 3*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 6*y^3*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(6*y^4 - 36*y^5 + 72*y^6 - 60*y^7 + 18*y^8 - 45*y^3*z + 276*y^4*z - 564*y^5*z + 516*y^6*z - 219*y^7*z + 36*y^8*z - 164*y^2*z^2 + 1085*y^3*z^2 - 2646*y^4*z^2 + 2739*y^5*z^2 - 1230*y^6*z^2 + 216*y^7*z^2 - 205*y*z^3 + 1578*y^2*z^3 - 4565*y^3*z^3 + 5640*y^4*z^3 - 2937*y^5*z^3 + 525*y^6*z^3 - 74*z^4 + 1059*y*z^4 - 4114*y^2*z^4 + 6546*y^3*z^4 - 4260*y^4*z^4 + 915*y^5*z^4 + 272*z^5 - 1937*y*z^5 + 4424*y^2*z^5 - 3878*y^3*z^5 + 1155*y^4*z^5 - 378*z^6 + 1591*y*z^6 - 2070*y^2*z^6 + 857*y^3*z^6 + 236*z^7 - 564*y*z^7 + 328*y^2*z^7 - 56*z^8 + 56*y*z^8))/ ((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[1, 0, 1, 0, y] + ((8*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)^2*(-3*y + 3*y^2 + 6*z - 24*y*z + 27*y^2*z - 18*z^2 + 54*y*z^2 - 27*y^2*z^2 + 34*z^3 - 60*y*z^3 + 33*y^2*z^3 - 38*z^4 + 33*y*z^4 + 16*z^5))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, 1, 0, z] - ((I/6)*(8*y^3 - 28*y^4 + 36*y^5 - 20*y^6 + 4*y^7 - 3*y*z + 16*y^2*z - 80*y^4*z + 119*y^5*z - 60*y^6*z + 8*y^7*z - 6*z^2 + 74*y*z^2 - 192*y^2*z^2 + 134*y^3*z^2 + 50*y^4*z^2 - 68*y^5*z^2 + 8*y^6*z^2 + 42*z^3 - 271*y*z^3 + 534*y^2*z^3 - 441*y^3*z^3 + 154*y^4*z^3 - 24*y^5*z^3 - 90*z^4 + 380*y*z^4 - 556*y^2*z^4 + 332*y^3*z^4 - 72*y^4*z^4 + 78*z^5 - 228*y*z^5 + 222*y^2*z^5 - 72*y^3*z^5 - 24*z^6 + 48*y*z^6 - 24*y^2*z^6)*G[1, 0, 1, 1, y])/ ((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)) + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)*z*(-44 + 135*y - 153*y^2 + 90*y^3 + 132*z - 270*y*z + 153*y^2*z - 132*z^2 + 135*y*z^2 + 44*z^3))/(y^2*(-1 + y + z)^2))*G[1, 0, 1 - y, 0, z] + ((I/6)*(-1 + z)*(y - 3*y^3 + 2*y^4 - 2*z + 6*y*z - 5*y^2*z - 3*y^3*z + 4*y^4*z + 6*z^2 - 14*y*z^2 + 2*y^2*z^2 + 6*y^3*z^2 - 6*z^3 + 2*y*z^3 + 15*y^2*z^3 + 2*z^4 + 5*y*z^4)*G[1, 0, 1 - y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)) + ((2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(9*y^2 - 27*y^3 + 24*y^4 - 6*y^5 - 9*y*z + 27*y^2*z - 48*y^3*z + 45*y^4*z - 6*y^5*z + 18*z^2 - 81*y*z^2 + 297*y^2*z^2 - 444*y^3*z^2 + 225*y^4*z^2 + 12*y^5*z^2 - 56*z^3 + 222*y*z^3 - 609*y^2*z^3 + 384*y^3*z^3 + 48*y^4*z^3 + 44*z^4 - 90*y*z^4 + 174*y^2*z^4 + 135*y^3*z^4 + 24*z^5 - 117*y*z^5 + 102*y^2*z^5 - 46*z^6 + 75*y*z^6 + 16*z^7))/(y^2*z^2*(-1 + y + z)^2))* G[1, 0, -y, 1 - y, z] + ((-4*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2) - ((I/9)*(6*y^3 - 30*y^4 + 54*y^5 - 42*y^6 + 12*y^7 + 9*y^2*z - 99*y^3*z + 234*y^4*z - 183*y^5*z + 15*y^6*z + 24*y^7*z - 72*y^2*z^2 + 237*y^3*z^2 - 208*y^4*z^2 - 92*y^5*z^2 + 135*y^6*z^2 - 12*z^3 + 78*y*z^3 - 192*y^2*z^3 + 313*y^3*z^3 - 453*y^4*z^3 + 284*y^5*z^3 + 72*z^4 - 393*y*z^4 + 848*y^2*z^4 - 867*y^3*z^4 + 376*y^4*z^4 - 144*z^5 + 588*y*z^5 - 782*y^2*z^5 + 356*y^3*z^5 + 120*z^6 - 309*y*z^6 + 189*y^2*z^6 - 36*z^7 + 36*y*z^7))/((-1 + y)*y*z*(-1 + y + z)^2*(y + z)^2))* G[1, 1, 0, 0, y] + ((8*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2) - ((I/9)*(-1 + z)^2*(9*y - 9*y^2 + 8*z - 36*y*z + 27*y^2*z - 16*z^2 + 27*y*z^2 + 8*z^3))/(y^2*(-1 + y + z)^2))*G[1, 1, 0, 0, z] + ((-2*Pi*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 4*z - 3*y*z - 6*y^2*z + 3*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 6*y^3*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(12*y^4 - 48*y^5 + 72*y^6 - 48*y^7 + 12*y^8 - 9*y*z + 99*y^2*z - 474*y^3*z + 1080*y^4*z - 1275*y^5*z + 789*y^6*z - 234*y^7*z + 24*y^8*z - 18*z^2 + 47*y*z^2 - 205*y^2*z^2 + 941*y^3*z^2 - 1797*y^4*z^2 + 1476*y^5*z^2 - 456*y^6*z^2 + 12*y^7*z^2 - 16*z^3 + 432*y*z^3 - 1353*y^2*z^3 + 1666*y^3*z^3 - 1065*y^4*z^3 + 462*y^5*z^3 - 126*y^6*z^3 + 250*z^4 - 1688*y*z^4 + 3871*y^2*z^4 - 4131*y^3*z^4 + 2133*y^4*z^4 - 417*y^5*z^4 - 468*z^5 + 2095*y*z^5 - 3392*y^2*z^5 + 2371*y^3*z^5 - 588*y^4*z^5 + 340*z^6 - 1053*y*z^6 + 1086*y^2*z^6 - 373*y^3*z^6 - 88*z^7 + 176*y*z^7 - 88*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)))*G[1, 1, 0, 1, y] + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)*z*(-44 + 117*y - 81*y^2 + 36*y^3 + 132*z - 234*y*z + 81*y^2*z - 132*z^2 + 117*y*z^2 + 44*z^3))/(y^2*(-1 + y + z)^2))*G[1, 1, 0, 1 - y, z] + ((2*Pi*(-1 + y + z)*(3*y - 4*z + 4*z^2))/(3*y^2) - ((I/18)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - 57*y^2*z + 348*y^3*z - 513*y^4*z + 210*y^5*z + 12*y^6*z - 89*y*z^2 + 597*y^2*z^2 - 1305*y^3*z^2 + 701*y^4*z^2 + 24*y^5*z^2 - 56*z^3 + 491*y*z^3 - 1413*y^2*z^3 + 1223*y^3*z^3 - 26*y^4*z^3 + 224*z^4 - 939*y*z^4 + 1263*y^2*z^4 - 260*y^3*z^4 - 336*z^5 + 761*y*z^5 - 390*y^2*z^5 + 224*z^6 - 224*y*z^6 - 56*z^7))/(y^2*z*(-1 + y + z)^2*(y + z)))* G[1, 1, 1, 0, y] + G[-y, z]* ((-1/3*(Pi*(-2*y^2 + 2*y^3 - 4*y*z + 2*y^2*z + y^3*z - 8*z^2 + 13*y* z^2 - 3*y^2*z^2 + 13*z^3 - 9*y*z^3 - 5*z^4))/(y*z*(y + z)) - ((I/36)*(6*y^5 - 12*y^6 + 6*y^7 + 14*y^3*z - 72*y^4*z + 96*y^5*z - 50*y^6*z + 12*y^7*z + 103*y^2*z^2 - 417*y^3*z^2 + 527*y^4*z^2 - 275*y^5*z^2 + 62*y^6*z^2 + 263*y*z^3 - 1155*y^2*z^3 + 1687*y^3*z^3 - 995*y^4*z^3 + 218*y^5*z^3 - 6*z^4 - 630*y*z^4 + 1775*y^2*z^4 - 1535*y^3*z^4 + 432*y^4*z^4 + 6*z^5 + 513*y*z^5 - 905*y^2*z^5 + 404*y^3*z^5 + 6*z^6 - 152*y*z^6 + 146*y^2*z^6 - 6*z^7 + 6*y*z^7))/((-1 + y)*y^2*z^2*(-1 + y + z)*(y + z)))* G[0, 1, y] + (((I/6)*Pi^2*(-1 + y + z))/y - (Pi*(2*y^2 + y^3 + 4*y*z - 5*y^2*z + 2*y^3*z - 4*z^2 + 2*y*z^2 + 8*z^3 - 6*y*z^3 - 4*z^4))/(3*y*z*(y + z)) - ((I/36)*(-1 + y + z)*(3*y^3 + 101*y^2*z + 6*y^3*z + 238*y*z^2 - 56*y^2*z^2 - 40*z^3 - 22*y*z^3 + 40*z^4))/(y*z^2*(y + z)))* G[1, 0, y] + (((-1/18*I)*Pi^2*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/(y^2*z^2) + (Pi*(10*y^2 - 13*y^3 + 12*y^4 + y*z - 15*y^2*z + 7*y^3*z + 12*z^2 - 8*y*z^2 + 8*y^2*z^2 - 24*z^3 + 7*y*z^3 + 12*z^4))/ (3*y^2*z) - ((I/36)*(6*y^2 - 39*y^3 + 81*y^4 - 69*y^5 + 21*y^6 - 6*y*z + 202*y^2*z - 612*y^3*z + 792*y^4*z - 526*y^5*z + 150*y^6*z - 12*z^2 + 85*y*z^2 - 603*y^2*z^2 + 982*y^3*z^2 - 660*y^4*z^2 + 208*y^5*z^2 + 186*z^3 - 522*y*z^3 + 622*y^2*z^3 - 244*y^3*z^3 - 6*y^4*z^3 - 486*z^4 + 963*y*z^4 - 435*y^2*z^4 - 6*y^3*z^4 + 462*z^5 - 670*y*z^5 + 208*y^2*z^5 - 150*z^6 + 150*y*z^6))/((-1 + y)*y^2*z^2*(-1 + y + z)))*G[1, 1, y] + ((I/6)*(-y^4 + y^5 - 4*y^2*z + 7*y^3*z - 5*y^4*z + 5*y^5*z - 8*y*z^2 + 9*y^2*z^2 + 23*y^3*z^2 - 24*y^4*z^2 + 12*y^5*z^2 - 16*z^3 + 50*y*z^3 + 14*y^2*z^3 - 87*y^3*z^3 + 45*y^4*z^3 + 49*z^4 - 66*y*z^4 - 63*y^2*z^4 + 66*y^3*z^4 - 51*z^5 + 14*y*z^5 + 44*y^2*z^5 + 19*z^6 + 10*y*z^6 - z^7)*G[0, 0, 1, y])/ (y*z^2*(-1 + y + z)^2*(y + z)) + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/18)*(-8*y^5 + 36*y^6 - 45*y^7 + 17*y^8 - 58*y^4*z + 242*y^5*z - 297*y^6*z + 76*y^7*z + 28*y^8*z - 80*y^3*z^2 + 418*y^4*z^2 - 612*y^5*z^2 + 98*y^6*z^2 + 167*y^7*z^2 - 8*y^2*z^3 + 197*y^3*z^3 - 423*y^4*z^3 - 101*y^5*z^3 + 424*y^6*z^3 + 68*y*z^4 - 280*y^2*z^4 + 414*y^3*z^4 - 631*y^4*z^4 + 641*y^5*z^4 + 10*z^5 - 329*y*z^5 + 990*y^2*z^5 - 1190*y^3*z^5 + 712*y^4*z^5 - 64*z^6 + 639*y*z^6 - 1144*y^2*z^6 + 641*y^3*z^6 + 126*z^7 - 545*y*z^7 + 424*y^2*z^7 - 100*z^8 + 167*y*z^8 + 28*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[0, 1, 0, y] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/18)*(-17*y^4 + 17*y^5 + 13*y^3*z - 51*y^4*z + 28*y^5*z + 15*y^2*z^2 - 77*y^3*z^2 + 59*y^4*z^2 - 23*y*z^3 - 7*y^2*z^3 + 55*y^3*z^3 - 44*z^4 + 90*y*z^4 + y^2*z^4 + 88*z^5 - 67*y*z^5 - 44*z^6))/(y^2*z^2*(y + z)))*G[0, 1, 1, y] - ((I/6)*(-y^4 + y^5 + 4*y^2*z - 11*y^3*z + 7*y^4*z + 3*y^5*z + 8*y*z^2 - 44*y^2*z^2 + 62*y^3*z^2 - 19*y^4*z^2 + 5*y^5*z^2 - 8*z^3 - 2*y*z^3 + 59*y^2*z^3 - 47*y^3*z^3 + 10*y^4*z^3 + 32*z^4 - 45*y*z^4 + 7*y^2*z^4 - 4*y^3*z^4 - 48*z^5 + 64*y*z^5 - 26*y^2*z^5 + 32*z^6 - 25*y*z^6 - 8*z^7)*G[1, 0, 0, y])/ (y*z^2*(-1 + y + z)^2*(y + z)) + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/18)*(-17*y^4 + 54*y^5 - 54*y^6 + 17*y^7 + 13*y^3*z - 28*y^4*z + 54*y^5*z - 76*y^6*z + 28*y^7*z + 15*y^2*z^2 - 85*y^3*z^2 + 207*y^4*z^2 - 267*y^5*z^2 + 94*y^6*z^2 - 23*y*z^3 + 66*y^2*z^3 - 27*y^3*z^3 - 158*y^4*z^3 + 96*y^5*z^3 - 44*z^4 + 239*y*z^4 - 441*y^2*z^4 + 283*y^3*z^4 - 40*y^4*z^4 + 170*z^5 - 567*y*z^5 + 624*y^2*z^5 - 220*y^3*z^5 - 252*z^6 + 527*y*z^6 - 282*y^2*z^6 + 170*z^7 - 176*y*z^7 - 44*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[1, 0, 1, y] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/18)*(-8*y^5 + 33*y^6 - 42*y^7 + 17*y^8 - 64*y^4*z + 233*y^5*z - 273*y^6*z + 76*y^7*z + 28*y^8*z - 98*y^3*z^2 + 433*y^4*z^2 - 567*y^5*z^2 + 104*y^6*z^2 + 164*y^7*z^2 - 8*y^2*z^3 + 194*y^3*z^3 - 330*y^4*z^3 - 137*y^5*z^3 + 415*y^6*z^3 + 80*y*z^4 - 352*y^2*z^4 + 618*y^3*z^4 - 823*y^4*z^4 + 659*y^5*z^4 + 10*z^5 - 377*y*z^5 + 1197*y^2*z^5 - 1490*y^3*z^5 + 802*y^4*z^5 - 64*z^6 + 711*y*z^6 - 1342*y^2*z^6 + 758*y^3*z^6 + 126*z^7 - 593*y*z^7 + 487*y^2*z^7 - 100*z^8 + 179*y*z^8 + 28*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[1, 1, 0, y] + ((I/2)*(8*y^2 - 9*y^3 + 8*y^4 + y*z - 11*y^2*z + 3*y^3*z + 8*z^2 - 4*y*z^2 + 4*y^2*z^2 - 16*z^3 + 3*y*z^3 + 8*z^4)*G[1, 1, 1, y])/ (y^2*z) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 0, 1, 0, y])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 0, 1, 1, y])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 1, 0, 0, y])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 1, 0, 1, y])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 1, 1, 0, y])/(y^2*z^2) + (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 1, 1, 1, y])/(y^2*z^2) + (I*(-1 + y + z)*G[1, 0, 0, 1, y])/y + ((I/3)*(-1 + y + z)*(y + z)* (y^2 - y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3)*G[1, 0, 1, 0, y])/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(4*y^3 + 8*y^3*z + 3*y*z^2 - 8*z^3 + 8*z^4)*G[1, 0, 1, 1, y])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1, 1, 0, 0, y])/(y^2*z^2) - ((2*I)*(-1 + y + z)* G[1, 1, 0, 1, y])/y + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)*G[1, 1, 1, 0, y])/(y^2*z^2)) + ((8*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)^2*(3*y - 3*y^2 - 6*z + 24*y*z - 27*y^2*z + 18*z^2 - 45*y*z^2 + 18*y^2*z^2 - 2*z^3 - 48*y*z^3 + 66*y^2*z^3 - 26*z^4 + 66*y*z^4 + 16*z^5))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1, 1, 0, z] + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)*z*(-44 + 117*y - 81*y^2 + 36*y^3 + 132*z - 234*y*z + 81*y^2*z - 132*z^2 + 117*y*z^2 + 44*z^3))/(y^2*(-1 + y + z)^2))*G[1, 1, 1 - y, 0, z] + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)*z*(-44 + 135*y - 153*y^2 + 90*y^3 + 132*z - 270*y*z + 153*y^2*z - 132*z^2 + 135*y*z^2 + 44*z^3))/(y^2*(-1 + y + z)^2))*G[1, 1 - y, 0, 0, z] + ((I/6)*(-1 + z)*(y - 3*y^3 + 2*y^4 - 2*z + 6*y*z - 5*y^2*z - 3*y^3*z + 4*y^4*z + 6*z^2 - 14*y*z^2 + 2*y^2*z^2 + 6*y^3*z^2 - 6*z^3 + 2*y*z^3 + 15*y^2*z^3 + 2*z^4 + 5*y*z^4)*G[1, 1 - y, 0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)) + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)*(-3*y + 3*y^2 + 18*y^3 - 30*y^4 + 12*y^5 + 6*z - 21*y*z + 42*y^2*z - 30*y^3*z - 30*y^4*z + 24*y^5*z - 24*z^2 + 78*y*z^2 - 72*y^2*z^2 - 42*y^3*z^2 + 60*y^4*z^2 + 8*z^3 + 21*y*z^3 - 129*y^2*z^3 + 162*y^3*z^3 + 60*z^4 - 177*y*z^4 + 156*y^2*z^4 - 78*z^5 + 102*y*z^5 + 28*z^6))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, 1, 0, z] + ((I/6)*(-1 + z)*(y - 3*y^3 + 2*y^4 - 2*z + 6*y*z - 5*y^2*z - 3*y^3*z + 4*y^4*z + 6*z^2 - 14*y*z^2 + 2*y^2*z^2 + 6*y^3*z^2 - 6*z^3 + 2*y*z^3 + 15*y^2*z^3 + 2*z^4 + 5*y*z^4)*G[1, 1 - y, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)) + ((2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(9*y^2 - 27*y^3 + 24*y^4 - 6*y^5 - 9*y*z + 27*y^2*z - 48*y^3*z + 45*y^4*z - 6*y^5*z + 18*z^2 - 81*y*z^2 + 297*y^2*z^2 - 444*y^3*z^2 + 225*y^4*z^2 + 12*y^5*z^2 - 56*z^3 + 222*y*z^3 - 609*y^2*z^3 + 384*y^3*z^3 + 48*y^4*z^3 + 44*z^4 - 90*y*z^4 + 174*y^2*z^4 + 135*y^3*z^4 + 24*z^5 - 117*y*z^5 + 102*y^2*z^5 - 46*z^6 + 75*y*z^6 + 16*z^7))/(y^2*z^2*(-1 + y + z)^2))* G[1, 1 - y, -y, 1 - y, z] - ((I/2)*z*(-8 + 17*y - 12*y^2 + 7*y^3 + 24*z - 34*y*z + 12*y^2*z - 24*z^2 + 17*y*z^2 + 8*z^3)* G[1 - y, 0, 0, 0, z])/(y^2*(-1 + y + z)) + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/9)*(6*y^3 - 12*y^4 + 6*y^5 + 3*y^2*z - 6*y^3*z - 9*y^4*z + 12*y^5*z + 73*y*z^2 - 140*y^2*z^2 + 58*y^3*z^2 + 3*y^4*z^2 + 58*z^3 - 320*y*z^3 + 320*y^2*z^3 - 76*y^3*z^3 - 174*z^4 + 421*y*z^4 - 183*y^2*z^4 + 174*z^5 - 174*y*z^5 - 58*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 0, 0, 1 - y, z] + ((-4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(3*y^3 - 9*y^4 - 34*y^5 + 200*y^6 - 385*y^7 + 367*y^8 - 176*y^9 + 34*y^10 + 12*y^3*z - 179*y^4*z + 746*y^5*z - 1378*y^6*z + 1212*y^7*z - 395*y^8*z - 74*y^9*z + 56*y^10*z - 9*y*z^2 + 81*y^2*z^2 - 445*y^3*z^2 + 1405*y^4*z^2 - 2204*y^5*z^2 + 1230*y^6*z^2 + 710*y^7*z^2 - 1144*y^8*z^2 + 376*y^9*z^2 - 6*z^3 + 90*y*z^3 - 691*y^2*z^3 + 2427*y^3*z^3 - 3843*y^4*z^3 + 1821*y^5*z^3 + 2155*y^6*z^3 - 2972*y^7*z^3 + 1019*y^8*z^3 + 30*z^4 - 521*y*z^4 + 2819*y^2*z^4 - 6241*y^3*z^4 + 5627*y^4*z^4 - 127*y^5*z^4 - 2896*y^6*z^4 + 1309*y^7*z^4 - 148*z^5 + 1699*y*z^5 - 5981*y^2*z^5 + 8800*y^3*z^5 - 5132*y^4*z^5 + 73*y^5*z^5 + 671*y^6*z^5 + 412*z^6 - 2912*y*z^6 + 6842*y^2*z^6 - 6889*y^3*z^6 + 2786*y^4*z^6 - 275*y^5*z^6 - 558*z^7 + 2591*y*z^7 - 4136*y^2*z^7 + 2731*y^3*z^7 - 646*y^4*z^7 + 358*z^8 - 1114*y*z^8 + 1154*y^2*z^8 - 398*y^3*z^8 - 88*z^9 + 176*y*z^9 - 88*y^2*z^9))/((-1 + y)^2*y^2*z^2* (-1 + y + z)^2*(y + z)^2))*G[1 - y, 0, 1, 0, z] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/9)*(6*y^3 - 12*y^4 + 6*y^5 + 3*y^2*z - 6*y^3*z - 9*y^4*z + 12*y^5*z + 73*y*z^2 - 140*y^2*z^2 + 58*y^3*z^2 + 3*y^4*z^2 + 58*z^3 - 320*y*z^3 + 320*y^2*z^3 - 76*y^3*z^3 - 174*z^4 + 421*y*z^4 - 183*y^2*z^4 + 174*z^5 - 174*y*z^5 - 58*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 0, 1 - y, 0, z] + ((I/2)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 13*y*z^2 + 9*y^2*z^2 + 2*y^3*z^2 - 8*z^3 + 28*y*z^3 - 9*y^2*z^3 + 16*z^4 - 15*y*z^4 - 8*z^5)*G[1 - y, 0, 1 - y, 1 - y, z])/(y^2*z*(y + z)) + ((2*Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 + 4*z^3 - 4*z^4))/ (3*y^2*z^2) - ((I/18)*(9*y^3 - 34*y^4 + 46*y^5 - 24*y^6 + y^7 + 2*y^8 - 55*y^3*z + 175*y^4*z - 283*y^5*z + 349*y^6*z - 274*y^7*z + 88*y^8*z + 9*y*z^2 - 186*y^2*z^2 + 879*y^3*z^2 - 1783*y^4*z^2 + 1910*y^5*z^2 - 1111*y^6*z^2 + 282*y^7*z^2 + 18*z^3 - 23*y*z^3 + 329*y^2*z^3 - 1356*y^3*z^3 + 2009*y^4*z^3 - 1205*y^5*z^3 + 228*y^6*z^3 + 34*z^4 - 415*y*z^4 + 853*y^2*z^4 - 597*y^3*z^4 + 179*y^4*z^4 - 36*y^5*z^4 - 210*z^5 + 1039*y*z^5 - 1742*y^2*z^5 + 1207*y^3*z^5 - 276*y^4*z^5 + 246*z^6 - 786*y*z^6 + 834*y^2*z^6 - 294*y^3*z^6 - 88*z^7 + 176*y*z^7 - 88*y^2*z^7))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))*G[1 - y, 0, -y, 1 - y, z] + ((-8*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/18)*(-24*y^4 + 144*y^5 - 336*y^6 + 384*y^7 - 216*y^8 + 48*y^9 - 54*y^3*z + 342*y^4*z - 774*y^5*z + 714*y^6*z - 108*y^7*z - 216*y^8*z + 96*y^9*z - 160*y^2*z^2 + 863*y^3*z^2 - 1657*y^4*z^2 + 1087*y^5*z^2 + 577*y^6*z^2 - 1142*y^7*z^2 + 432*y^8*z^2 - 200*y*z^3 + 1448*y^2*z^3 - 3571*y^3*z^3 + 3594*y^4*z^3 - 635*y^5*z^3 - 1322*y^6*z^3 + 686*y^7*z^3 - 88*z^4 + 1171*y*z^4 - 4331*y^2*z^4 + 6672*y^3*z^4 - 4354*y^4*z^4 + 581*y^5*z^4 + 367*y^6*z^4 + 352*z^5 - 2489*y*z^5 + 5924*y^2*z^5 - 6174*y^3*z^5 + 2718*y^4*z^5 - 295*y^5*z^5 - 528*z^6 + 2441*y*z^6 - 3935*y^2*z^6 + 2659*y^3*z^6 - 619*y^4*z^6 + 352*z^7 - 1099*y*z^7 + 1142*y^2*z^7 - 395*y^3*z^7 - 88*z^8 + 176*y*z^8 - 88*y^2*z^8))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)^2))*G[1 - y, 1, 0, 0, z] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/18)*z*(-44 + 79*y - 8*y^2 + 9*y^3 + 132*z - 158*y*z + 8*y^2*z - 132*z^2 + 79*y*z^2 + 44*z^3))/(y^2*(-1 + y + z)))* G[1 - y, 1, 0, 1 - y, z] + ((-8*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/18)*(6*y^4 - 30*y^5 + 54*y^6 - 42*y^7 + 12*y^8 - 12*y^4*z + 30*y^5*z - 42*y^7*z + 24*y^8*z - 2*y^2*z^2 + 62*y^3*z^2 - 246*y^4*z^2 + 398*y^5*z^2 - 296*y^6*z^2 + 84*y^7*z^2 + 11*y*z^3 + 37*y^2*z^3 - 380*y^3*z^3 + 784*y^4*z^3 - 631*y^5*z^3 + 188*y^6*z^3 + 16*z^4 - 73*y*z^4 - 52*y^2*z^4 + 474*y^3*z^4 - 580*y^4*z^4 + 233*y^5*z^4 - 48*z^5 + 145*y*z^5 - 53*y^2*z^5 - 137*y^3*z^5 + 102*y^4*z^5 + 48*z^6 - 115*y*z^6 + 86*y^2*z^6 - 19*y^3*z^6 - 16*z^7 + 32*y*z^7 - 16*y^2*z^7))/ ((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)^2))*G[1 - y, 1, 1, 0, z] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/18)*z*(-44 + 79*y - 8*y^2 + 9*y^3 + 132*z - 158*y*z + 8*y^2*z - 132*z^2 + 79*y*z^2 + 44*z^3))/(y^2*(-1 + y + z)))* G[1 - y, 1, 1 - y, 0, z] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/9)*(6*y^3 - 12*y^4 + 6*y^5 + 3*y^2*z - 6*y^3*z - 9*y^4*z + 12*y^5*z + 73*y*z^2 - 140*y^2*z^2 + 58*y^3*z^2 + 3*y^4*z^2 + 58*z^3 - 320*y*z^3 + 320*y^2*z^3 - 76*y^3*z^3 - 174*z^4 + 421*y*z^4 - 183*y^2*z^4 + 174*z^5 - 174*y*z^5 - 58*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 1 - y, 0, 0, z] + ((I/2)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 13*y*z^2 + 9*y^2*z^2 + 2*y^3*z^2 - 8*z^3 + 28*y*z^3 - 9*y^2*z^3 + 16*z^4 - 15*y*z^4 - 8*z^5)*G[1 - y, 1 - y, 0, 1 - y, z])/(y^2*z*(y + z)) + ((4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - z^3 + z^4))/(3*y^2*z^2) + ((I/18)*(3*y^3 - 9*y^4 - 34*y^5 + 200*y^6 - 385*y^7 + 367*y^8 - 176*y^9 + 34*y^10 + 12*y^3*z - 131*y^4*z + 506*y^5*z - 898*y^6*z + 732*y^7*z - 155*y^8*z - 122*y^9*z + 56*y^10*z - 9*y*z^2 + 81*y^2*z^2 - 337*y^3*z^2 + 853*y^4*z^2 - 1172*y^5*z^2 + 462*y^6*z^2 + 722*y^7*z^2 - 880*y^8*z^2 + 280*y^9*z^2 - 6*z^3 + 90*y*z^3 - 305*y^2*z^3 + 419*y^3*z^3 + 26*y^4*z^3 - 1238*y^5*z^3 + 2408*y^6*z^3 - 2053*y^7*z^3 + 659*y^8*z^3 + 30*z^4 - 16*y*z^4 - 947*y^2*z^4 + 3724*y^3*z^4 - 6421*y^4*z^4 + 6315*y^5*z^4 - 3696*y^6*z^4 + 1011*y^7*z^4 + 40*z^5 - 1141*y*z^5 + 5414*y^2*z^5 - 10931*y^3*z^5 + 11256*y^4*z^5 - 6018*y^5*z^5 + 1362*y^6*z^5 - 340*z^6 + 2954*y*z^6 - 8468*y^2*z^6 + 11030*y^3*z^6 - 6826*y^4*z^6 + 1614*y^5*z^6 + 570*z^7 - 3017*y*z^7 + 5621*y^2*z^7 - 4471*y^3*z^7 + 1279*y^4*z^7 - 394*z^8 + 1339*y*z^8 - 1496*y^2*z^8 + 551*y^3*z^8 + 100*z^9 - 200*y*z^9 + 100*y^2*z^9))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2))* G[1 - y, 1 - y, 1, 0, z] + ((I/2)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 13*y*z^2 + 9*y^2*z^2 + 2*y^3*z^2 - 8*z^3 + 28*y*z^3 - 9*y^2*z^3 + 16*z^4 - 15*y*z^4 - 8*z^5)*G[1 - y, 1 - y, 1 - y, 0, z])/(y^2*z*(y + z)) + ((-2*Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/ (3*y^2*z^2) + ((I/18)*(3*y^2 - 6*y^3 - 4*y^4 + 16*y^5 - 9*y^6 - 2*y^7 + 2*y^8 - 3*y*z + 21*y^2*z - 118*y^3*z + 277*y^4*z - 376*y^5*z + 394*y^6*z - 283*y^7*z + 88*y^8*z - 6*z^2 + 42*y*z^2 - 177*y^2*z^2 + 381*y^3*z^2 - 550*y^4*z^2 + 740*y^5*z^2 - 679*y^6*z^2 + 249*y^7*z^2 + 6*z^3 - 115*y*z^3 + 394*y^2*z^3 - 588*y^3*z^3 + 754*y^4*z^3 - 727*y^5*z^3 + 276*y^6*z^3 - 70*z^4 + 517*y*z^4 - 1171*y^2*z^4 + 1337*y^3*z^4 - 825*y^4*z^4 + 230*y^5*z^4 + 234*z^5 - 1018*y*z^5 + 1592*y^2*z^5 - 1066*y^3*z^5 + 276*y^4*z^5 - 252*z^6 + 753*y*z^6 - 750*y^2*z^6 + 249*y^3*z^6 + 88*z^7 - 176*y*z^7 + 88*y^2*z^7))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))*G[1 - y, 1 - y, -y, 1 - y, z] + ((I/3)*(-2*y^2 + 2*y^3 - 4*y*z - y^2*z + 4*y^3*z - 8*z^2 + 7*y*z^2 + 6*y^2*z^2 + 10*z^3 - 2*z^4)* G[1 - y, -y, 0, 1 - y, z])/(y*z*(y + z)) + ((I/3)*(-2*y^2 + 2*y^3 - 4*y*z - y^2*z + 4*y^3*z - 8*z^2 + 7*y*z^2 + 6*y^2*z^2 + 10*z^3 - 2*z^4)*G[1 - y, -y, 1 - y, 0, z])/ (y*z*(y + z)) + ((I/6)*(y^2 - 5*y^3 + 10*y^4 - 10*y^5 + 5*y^6 - y^7 - y*z + 7*y^2*z - 51*y^3*z + 149*y^4*z - 220*y^5*z + 192*y^6*z - 100*y^7*z + 24*y^8*z - 2*z^2 + 17*y*z^2 - 90*y^2*z^2 + 261*y^3*z^2 - 412*y^4*z^2 + 384*y^5*z^2 - 214*y^6*z^2 + 56*y^7*z^2 + 8*z^3 - 71*y*z^3 + 228*y^2*z^3 - 347*y^3*z^3 + 310*y^4*z^3 - 172*y^5*z^3 + 44*y^6*z^3 - 36*z^4 + 203*y*z^4 - 390*y^2*z^4 + 345*y^3*z^4 - 140*y^4*z^4 + 24*y^5*z^4 + 80*z^5 - 304*y*z^5 + 406*y^2*z^5 - 220*y^3*z^5 + 44*y^4*z^5 - 74*z^6 + 204*y*z^6 - 186*y^2*z^6 + 56*y^3*z^6 + 24*z^7 - 48*y*z^7 + 24*y^2*z^7)*G[1 - y, -y, 1 - y, 1 - y, z])/((-1 + y)^2*y^2*z^2* (-1 + y + z)*(y + z)) - ((I/6)*(12*y - 37*y^2 + 39*y^3 - 15*y^4 + y^5 + 9*z - 36*y*z + 40*y^2*z - 6*y^3*z - 9*y^4*z + 2*y^5*z - 16*z^2 + 29*y*z^2 - 4*y^2*z^2 - 15*y^3*z^2 + 6*y^4*z^2 + 5*z^3 - y*z^3 - 13*y^2*z^3 + 6*y^3*z^3 + 2*z^4 - 4*y*z^4 + 2*y^2*z^4)* G[1 - y, -y, -y, 1 - y, z])/((-1 + y)^2*y*z*(-1 + y + z)) + ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 - 8*y^2*z + 22*y^3*z - 12*y^4*z - 10*y^5*z + 8*y^6*z - 16*y*z^2 + 63*y^2*z^2 - 49*y^3*z^2 - 29*y^4*z^2 + 25*y^5*z^2 + 51*y*z^3 - 106*y^2*z^3 + 15*y^3*z^3 + 26*y^4*z^3 - 2*z^4 - 53*y*z^4 + 55*y^2*z^4 + 4*y^3*z^4 + 4*z^5 + 23*y*z^5 - 10*y^2*z^5 - 2*z^6 - 5*y*z^6)* G[-y, 0, 0, 1 - y, z])/(y^2*z*(-1 + y + z)^2*(y + z)) + ((4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/18)*(-25*y^5 + 87*y^6 - 96*y^7 + 34*y^8 - 68*y^4*z + 268*y^5*z - 291*y^6*z + 26*y^7*z + 56*y^8*z - 70*y^3*z^2 + 311*y^4*z^2 - 288*y^5*z^2 - 266*y^6*z^2 + 304*y^7*z^2 - 52*y^2*z^3 + 250*y^3*z^3 - 144*y^4*z^3 - 652*y^5*z^3 + 695*y^6*z^3 - 23*y*z^4 + 178*y^2*z^4 - 144*y^3*z^4 - 620*y^4*z^4 + 859*y^5*z^4 - 34*z^5 + 176*y*z^5 - 279*y^2*z^5 - 202*y^3*z^5 + 602*y^4*z^5 + 118*z^6 - 336*y*z^6 + 178*y^2*z^6 + 202*y^3*z^6 - 150*z^7 + 236*y*z^7 - 25*y^2*z^7 + 82*z^8 - 53*y*z^8 - 16*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, 0, 1, 0, z] + ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 - 8*y^2*z + 22*y^3*z - 12*y^4*z - 10*y^5*z + 8*y^6*z - 16*y*z^2 + 63*y^2*z^2 - 49*y^3*z^2 - 29*y^4*z^2 + 25*y^5*z^2 + 51*y*z^3 - 106*y^2*z^3 + 15*y^3*z^3 + 26*y^4*z^3 - 2*z^4 - 53*y*z^4 + 55*y^2*z^4 + 4*y^3*z^4 + 4*z^5 + 23*y*z^5 - 10*y^2*z^5 - 2*z^6 - 5*y*z^6)* G[-y, 0, 1 - y, 0, z])/(y^2*z*(-1 + y + z)^2*(y + z)) + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-17*y^4 + 17*y^5 + 13*y^3*z - 51*y^4*z + 28*y^5*z + 15*y^2*z^2 - 59*y^3*z^2 + 41*y^4*z^2 - 23*y*z^3 + 29*y^2*z^3 + y^3*z^3 - 44*z^4 + 108*y*z^4 - 53*y^2*z^4 + 88*z^5 - 85*y*z^5 - 44*z^6))/(y^2*z^2*(y + z)))*G[-y, 0, 1 - y, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4))/ (3*y^2*z^2) + ((I/18)*(-19*y^4 + 60*y^5 - 60*y^6 + 19*y^7 - 13*y^3*z + 67*y^4*z - 42*y^5*z - 65*y^6*z + 44*y^7*z - 33*y^2*z^2 + 190*y^3*z^2 - 201*y^4*z^2 - 144*y^5*z^2 + 152*y^6*z^2 - 13*y*z^3 + 204*y^2*z^3 - 507*y^3*z^3 + 137*y^4*z^3 + 198*y^5*z^3 - 28*z^4 + 139*y*z^4 - 459*y^2*z^4 + 434*y^3*z^4 + 88*y^4*z^4 + 118*z^5 - 351*y*z^5 + 438*y^2*z^5 - 68*y^3*z^5 - 180*z^6 + 319*y*z^6 - 132*y^2*z^6 + 118*z^7 - 94*y*z^7 - 28*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))* G[-y, 0, -y, 1 - y, z] + ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 - 8*y^2*z + 22*y^3*z - 12*y^4*z - 10*y^5*z + 8*y^6*z - 16*y*z^2 + 63*y^2*z^2 - 49*y^3*z^2 - 29*y^4*z^2 + 25*y^5*z^2 + 51*y*z^3 - 106*y^2*z^3 + 15*y^3*z^3 + 26*y^4*z^3 - 2*z^4 - 53*y*z^4 + 55*y^2*z^4 + 4*y^3*z^4 + 4*z^5 + 23*y*z^5 - 10*y^2*z^5 - 2*z^6 - 5*y*z^6)*G[-y, 1 - y, 0, 0, z])/(y^2*z*(-1 + y + z)^2*(y + z)) + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-17*y^4 + 17*y^5 + 13*y^3*z - 51*y^4*z + 28*y^5*z + 15*y^2*z^2 - 59*y^3*z^2 + 41*y^4*z^2 - 23*y*z^3 + 29*y^2*z^3 + y^3*z^3 - 44*z^4 + 108*y*z^4 - 53*y^2*z^4 + 88*z^5 - 85*y*z^5 - 44*z^6))/(y^2*z^2*(y + z)))*G[-y, 1 - y, 0, 1 - y, z] + ((4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/18)*(-25*y^5 + 87*y^6 - 96*y^7 + 34*y^8 - 68*y^4*z + 268*y^5*z - 291*y^6*z + 26*y^7*z + 56*y^8*z - 70*y^3*z^2 + 311*y^4*z^2 - 288*y^5*z^2 - 266*y^6*z^2 + 304*y^7*z^2 - 52*y^2*z^3 + 250*y^3*z^3 - 144*y^4*z^3 - 652*y^5*z^3 + 695*y^6*z^3 - 23*y*z^4 + 178*y^2*z^4 - 144*y^3*z^4 - 620*y^4*z^4 + 859*y^5*z^4 - 34*z^5 + 176*y*z^5 - 279*y^2*z^5 - 202*y^3*z^5 + 602*y^4*z^5 + 118*z^6 - 336*y*z^6 + 178*y^2*z^6 + 202*y^3*z^6 - 150*z^7 + 236*y*z^7 - 25*y^2*z^7 + 82*z^8 - 53*y*z^8 - 16*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, 1 - y, 1, 0, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-17*y^4 + 17*y^5 + 13*y^3*z - 51*y^4*z + 28*y^5*z + 15*y^2*z^2 - 59*y^3*z^2 + 41*y^4*z^2 - 23*y*z^3 + 29*y^2*z^3 + y^3*z^3 - 44*z^4 + 108*y*z^4 - 53*y^2*z^4 + 88*z^5 - 85*y*z^5 - 44*z^6))/(y^2*z^2*(y + z)))*G[-y, 1 - y, 1 - y, 0, z] + ((I/2)*(8*y^2 - 9*y^3 + 8*y^4 + y*z - 11*y^2*z + 3*y^3*z + 8*z^2 - 4*y*z^2 + 4*y^2*z^2 - 16*z^3 + 3*y*z^3 + 8*z^4)* G[-y, 1 - y, 1 - y, 1 - y, z])/(y^2*z) + ((2*Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/ (3*y^2*z^2) - ((I/18)*(-2*y^3 + 3*y^4 - 3*y^5 + 2*y^6 - 42*y^2*z + 122*y^3*z - 108*y^4*z + 21*y^5*z + 16*y^6*z - 42*y*z^2 + 240*y^2*z^2 - 312*y^3*z^2 + 78*y^4*z^2 + 63*y^5*z^2 + 16*z^3 + 63*y*z^3 - 246*y^2*z^3 + 88*y^3*z^3 + 108*y^4*z^3 - 58*z^4 + 45*y*z^4 - 42*y^2*z^4 + 122*y^3*z^4 + 84*z^5 - 129*y*z^5 + 108*y^2*z^5 - 58*z^6 + 63*y*z^6 + 16*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[-y, 1 - y, -y, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-17*y^4 + 17*y^5 - 5*y^3*z - 33*y^4*z + 28*y^5*z - 21*y^2*z^2 - 68*y^3*z^2 + 77*y^4*z^2 - 95*y*z^3 + 92*y^2*z^3 + 55*y^3*z^3 - 44*z^4 + 198*y*z^4 - 53*y^2*z^4 + 88*z^5 - 103*y*z^5 - 44*z^6))/(y^2*z^2*(y + z)))*G[-y, -y, 0, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-17*y^4 + 17*y^5 - 5*y^3*z - 33*y^4*z + 28*y^5*z - 21*y^2*z^2 - 68*y^3*z^2 + 77*y^4*z^2 - 95*y*z^3 + 92*y^2*z^3 + 55*y^3*z^3 - 44*z^4 + 198*y*z^4 - 53*y^2*z^4 + 88*z^5 - 103*y*z^5 - 44*z^6))/(y^2*z^2*(y + z)))*G[-y, -y, 1 - y, 0, z] + ((2*Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/ (3*y^2*z^2) - ((I/9)*(-y^3 + y^4 - 21*y^2*z + 23*y^3*z + 8*y^4*z - 21*y*z^2 + 54*y^2*z^2 + 5*y^3*z^2 + 8*z^3 + 16*y*z^3 - 6*y^2*z^3 - 16*z^4 + 5*y*z^4 + 8*z^5))/(y^2*z^2))* G[-y, -y, 1 - y, 1 - y, z] + ((2*Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/ (3*y^2*z^2) - ((I/18)*(-2*y^3 + 9*y^4 - 9*y^5 + 2*y^6 - 6*y^2*z + 65*y^3*z - 90*y^4*z + 6*y^5*z + 16*y^6*z - 6*y*z^2 + 114*y^2*z^2 - 297*y^3*z^2 + 132*y^4*z^2 + 30*y^5*z^2 + 16*z^3 - 12*y*z^3 - 234*y^2*z^3 + 292*y^3*z^3 - 24*y^4*z^3 - 70*z^4 + 90*y*z^4 + 132*y^2*z^4 - 76*y^3*z^4 + 108*z^5 - 102*y*z^5 - 24*y^2*z^5 - 70*z^6 + 30*y*z^6 + 16*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[-y, -y, -y, 1 - y, z] + ((I/3)*y*(-15 + 15*y + 19*z - 4*z^2)*G[0, 0, 0, 0, 1, y])/ (-1 + y + z)^2 - ((I/3)*(-9*y^3 + 9*y^4 + 6*z - 18*y*z + 18*y^2*z + 17*y^3*z - 24*z^2 + 54*y*z^2 - 36*y^2*z^2 - 8*y^3*z^2 + 36*z^3 - 54*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5)* G[0, 0, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) - (((14*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y^3 + 3*y^4 - 3*z + 9*y*z - 9*y^2*z + 10*y^3*z + 12*z^2 - 27*y*z^2 + 18*y^2*z^2 - 7*y^3*z^2 - 18*z^3 + 27*y*z^3 - 9*y^2*z^3 + 12*z^4 - 9*y*z^4 - 3*z^5)*G[0, 0, 0, 1, 1, y])/ (y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 0, 1 - y, 1 - y, z])/y^2 - (I*(3*y - 6*y^2 + 6*y^3 - 2*z - 2*y*z + 4*y^2*z + 6*z^2 - 5*y*z^2 + 2*y^2*z^2 - 6*z^3 + 4*y*z^3 + 2*z^4)*G[0, 0, 0, -y, 1 - y, z])/ (y^2*(-1 + y + z)) - ((I/3)*(-9*y^3 + 9*y^4 - 4*z + 12*y*z - 12*y^2*z + 23*y^3*z + 16*z^2 - 36*y*z^2 + 24*y^2*z^2 - 14*y^3*z^2 - 24*z^3 + 36*y*z^3 - 12*y^2*z^3 + 16*z^4 - 12*y*z^4 - 4*z^5)* G[0, 0, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) - (((8*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 0, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((2*I)*(2*y^3 - z + 2*y*z - y^2*z + 3*z^2 - 4*y*z^2 + y^2*z^2 - 3*z^3 + 2*y*z^3 + z^4)*G[0, 0, 1, 0, 1, y])/(y^2*(-1 + y + z)) + ((I/3)*(-9*y^3 + 9*y^4 - 4*z + 12*y*z - 12*y^2*z + 27*y^3*z + 16*z^2 - 36*y*z^2 + 24*y^2*z^2 - 18*y^3*z^2 - 24*z^3 + 36*y*z^3 - 12*y^2*z^3 + 16*z^4 - 12*y*z^4 - 4*z^5)*G[0, 0, 1, 1, 0, y])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[0, 0, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, 1, 1, y])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 0, 1 - y, z])/y^2 - (((14*I)/3)*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[0, 0, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 1 - y, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 1 - y, 1 - y, z])/y^2 + ((3*I)*(1 - 2*y + 2*y^2 - 2*z + 2*y*z + z^2)*G[0, 0, 1 - y, -y, 1 - y, z])/(y*(-1 + y + z)) + (((8*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, -y, 0, 1 - y, z])/y^2 + (((8*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, -y, 1 - y, 0, z])/y^2 + ((I/3)*(-9 + 27*y - 33*y^2 + 15*y^3 + 27*z - 54*y*z + 41*y^2*z - 27*z^2 + 27*y*z^2 - 8*y^2*z^2 + 9*z^3)*G[0, 0, -y, 1 - y, 1 - y, z])/(y*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 6*z + 27*y*z - 36*y^2*z + 17*y^3*z + 24*z^2 - 63*y*z^2 + 45*y^2*z^2 - 8*y^3*z^2 - 36*z^3 + 57*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)*G[0, 0, -y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y^3 + 3*y^4 - 4*z + 12*y*z - 12*y^2*z + 19*y^3*z + 16*z^2 - 36*y*z^2 + 24*y^2*z^2 - 16*y^3*z^2 - 24*z^3 + 36*y*z^3 - 12*y^2*z^3 + 16*z^4 - 12*y*z^4 - 4*z^5)*G[0, 1, 0, 0, 1, y])/ (y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[0, 1, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-3*y^3 + 3*y^4 - 3*z + 9*y*z - 9*y^2*z + 2*y^3*z + 12*z^2 - 27*y*z^2 + 18*y^2*z^2 + y^3*z^2 - 18*z^3 + 27*y*z^3 - 9*y^2*z^3 + 12*z^4 - 9*y*z^4 - 3*z^5)*G[0, 1, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (((8*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[0, 1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(3*y - 9*y^2 + 3*y^3 + 3*y^4 - 8*z + 15*y*z - 6*y^2*z + 13*y^3*z + 32*z^2 - 63*y*z^2 + 39*y^2*z^2 - 16*y^3*z^2 - 48*z^3 + 69*y*z^3 - 24*y^2*z^3 + 32*z^4 - 24*y*z^4 - 8*z^5)* G[0, 1, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, 1 - y, 1 - y, z])/y^2 + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 3*z - 9*y^2*z + 13*y^3*z - 12*z^2 + 18*y*z^2 - 9*y^2*z^2 - y^3*z^2 + 18*z^3 - 24*y*z^3 + 9*y^2*z^3 - 12*z^4 + 9*y*z^4 + 3*z^5)*G[0, 1, 0, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y^3 + 3*y^4 + 2*z - 6*y*z + 6*y^2*z + 8*y^3*z - 8*z^2 + 18*y*z^2 - 12*y^2*z^2 - 5*y^3*z^2 + 12*z^3 - 18*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)* G[0, 1, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) + (((10*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 15*y^3 + 9*y^4 - 4*z + 21*y*z - 30*y^2*z + 25*y^3*z + 16*z^2 - 45*y*z^2 + 33*y^2*z^2 - 10*y^3*z^2 - 24*z^3 + 39*y*z^3 - 12*y^2*z^3 + 16*z^4 - 12*y*z^4 - 4*z^5)* G[0, 1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-9*y^3 + 9*y^4 - 2*z + 6*y*z - 6*y^2*z + 9*y^3*z + 8*z^2 - 18*y*z^2 + 12*y^2*z^2 - 12*z^3 + 18*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[0, 1, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1 - y, 0, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 2*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)*G[0, 1, 1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 1, 1 - y, 1 - y, 0, z])/y^2 + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 3*z - 9*y^2*z + 13*y^3*z - 12*z^2 + 18*y*z^2 - 9*y^2*z^2 - y^3*z^2 + 18*z^3 - 24*y*z^3 + 9*y^2*z^3 - 12*z^4 + 9*y*z^4 + 3*z^5)*G[0, 1, 1 - y, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, 0, 0, 1 - y, z])/y^2 + (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 8*z^3 + 24*y*z^3 - 24*y^2*z^3 + 5*y^3*z^3 + 6*y^4*z^3 + 32*z^4 - 72*y*z^4 + 48*y^2*z^4 - 8*y^3*z^4 - 48*z^5 + 72*y*z^5 - 24*y^2*z^5 + 32*z^6 - 24*y*z^6 - 8*z^7)*G[0, 1 - y, 0, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 1 - y, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 1 - y, 1 - y, z])/y^2 - ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 33*y^3*z^2 - 33*y^4*z^2 + 12*y^5*z^2 + 2*z^3 - 24*y*z^3 + 42*y^2*z^3 - 49*y^3*z^3 + 12*y^4*z^3 - 8*z^4 + 36*y*z^4 - 30*y^2*z^4 + 16*y^3*z^4 + 12*z^5 - 24*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7)*G[0, 1 - y, 0, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - (((8*I)/3)*(-1 + z)*z* (-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[0, 1 - y, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1, 0, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[0, 1 - y, 1, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, 1, 1 - y, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, 1 - y, 0, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, 1 - y, 0, 1 - y, z])/y^2 - (((2*I)/3)*y*(-1 + 3*y - 3*y^2 + y^3 + z - 3*y^2*z + 2*y^3*z + 3*z^2 - 9*y*z^2 + 6*y^2*z^2 - 3*z^3 + 6*y*z^3)*G[0, 1 - y, 1 - y, 1, 0, z])/ (z^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, 1 - y, 1 - y, 0, z])/y^2 + ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 42*y^3*z^2 - 36*y^4*z^2 + 12*y^5*z^2 - 14*z^3 + 15*y*z^3 + 12*y^2*z^3 - 42*y^3*z^3 + 12*y^4*z^3 + 56*z^4 - 99*y*z^4 + 57*y^2*z^4 - 84*z^5 + 117*y*z^5 - 42*y^2*z^5 + 56*z^6 - 42*y*z^6 - 14*z^7)*G[0, 1 - y, 1 - y, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, -y, 0, 1 - y, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, -y, 1 - y, 0, z])/y^2 - (((2*I)/3)*(-6*y + 18*y^2 - 21*y^3 + 9*y^4 + 8*z - 6*y*z - 12*y^2*z + 17*y^3*z - 32*z^2 + 54*y*z^2 - 30*y^2*z^2 + 4*y^3*z^2 + 48*z^3 - 66*y*z^3 + 24*y^2*z^3 - 32*z^4 + 24*y*z^4 + 8*z^5)* G[0, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 + 10*z - 3*y*z - 24*y^2*z + 19*y^3*z - 40*z^2 + 63*y*z^2 - 33*y^2*z^2 + 8*y^3*z^2 + 60*z^3 - 81*y*z^3 + 30*y^2*z^3 - 40*z^4 + 30*y*z^4 + 10*z^5)* G[0, 1 - y, -y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[0, -y, 0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 5*z^3 + 15*y*z^3 - 15*y^2*z^3 - y^3*z^3 + 6*y^4*z^3 + 20*z^4 - 45*y*z^4 + 30*y^2*z^4 - 2*y^3*z^4 - 30*z^5 + 45*y*z^5 - 15*y^2*z^5 + 20*z^6 - 15*y*z^6 - 5*z^7)*G[0, -y, 0, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z* (-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[0, -y, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, -y, 0, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 6*y^4*z^2 + 6*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 + 6*y^3*z^3 + 6*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 6*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)* G[0, -y, 0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[0, -y, 1 - y, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, -y, 1 - y, 0, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 5*z^3 + 15*y*z^3 - 15*y^2*z^3 - y^3*z^3 + 6*y^4*z^3 + 20*z^4 - 45*y*z^4 + 30*y^2*z^4 - 2*y^3*z^4 - 30*z^5 + 45*y*z^5 - 15*y^2*z^5 + 20*z^6 - 15*y*z^6 - 5*z^7)* G[0, -y, 1 - y, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, -y, 1 - y, 1 - y, 0, z])/(y^2*z^2) - (I*(-1 + y + z)*(3*y - 4*z + 4*z^2)*G[0, -y, 1 - y, 1 - y, 1 - y, z])/ y^2 - ((I/3)*(2*y^3 - 4*y^4 + 2*y^5 - 4*y^4*z + 4*y^5*z + 3*y*z^2 - 6*y^2*z^2 - 6*y^3*z^2 + 8*y^4*z^2 - 4*z^3 + 2*y*z^3 + 2*y^2*z^3 + 4*y^3*z^3 + 12*z^4 - 13*y*z^4 + 4*y^2*z^4 - 12*z^5 + 8*y*z^5 + 4*z^6)*G[0, -y, 1 - y, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4)* G[0, -y, -y, 0, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4)* G[0, -y, -y, 1 - y, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[0, -y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/3)*(2*y^3 - 4*y^4 + 2*y^5 - 4*y^4*z + 4*y^5*z - 6*y*z^2 + 12*y^2*z^2 - 9*y^3*z^2 + 8*y^4*z^2 + 8*z^3 - 4*y*z^3 - 4*y^2*z^3 + 4*y^3*z^3 - 24*z^4 + 26*y*z^4 - 8*y^2*z^4 + 24*z^5 - 16*y*z^5 - 8*z^6)*G[0, -y, -y, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)) + ((I/3)*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 - 2*z + 33*y*z - 60*y^2*z + 27*y^3*z + 8*z^2 - 45*y*z^2 + 39*y^2*z^2 - 12*z^3 + 27*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[1, 0, 0, 0, 1, y])/ (y^2*(-1 + y + z)^2) - ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-6*y + 18*y^2 - 21*y^3 + 9*y^4 + 6*z - 18*y^2*z + 11*y^3*z - 24*z^2 + 36*y*z^2 - 18*y^2*z^2 + 10*y^3*z^2 + 36*z^3 - 48*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5)*G[1, 0, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 7*z - 12*y*z + 3*y^2*z + 4*y^3*z - 28*z^2 + 54*y*z^2 - 33*y^2*z^2 + 5*y^3*z^2 + 42*z^3 - 60*y*z^3 + 21*y^2*z^3 - 28*z^4 + 21*y*z^4 + 7*z^5)* G[1, 0, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) - ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (I*(-y + 3*y^2 - 4*y^3 + 2*y^4 - 2*z + 9*y*z - 12*y^2*z + 4*y^3*z + 8*z^2 - 21*y*z^2 + 15*y^2*z^2 - 12*z^3 + 19*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[1, 0, 0, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-6*y + 18*y^2 - 15*y^3 + 3*y^4 + 8*z - 6*y*z - 12*y^2*z - y^3*z - 32*z^2 + 54*y*z^2 - 30*y^2*z^2 + 16*y^3*z^2 + 48*z^3 - 66*y*z^3 + 24*y^2*z^3 - 32*z^4 + 24*y*z^4 + 8*z^5)*G[1, 0, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) + (((14*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 4*z + 21*y*z - 30*y^2*z + 10*y^3*z + 16*z^2 - 45*y*z^2 + 33*y^2*z^2 - y^3*z^2 - 24*z^3 + 39*y*z^3 - 12*y^2*z^3 + 16*z^4 - 12*y*z^4 - 4*z^5)* G[1, 0, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 12*z - 27*y*z + 18*y^2*z - 7*y^3*z - 48*z^2 + 99*y*z^2 - 63*y^2*z^2 + 16*y^3*z^2 + 72*z^3 - 105*y*z^3 + 36*y^2*z^3 - 48*z^4 + 36*y*z^4 + 12*z^5)* G[1, 0, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + ((4*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1 - y, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1 - y, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 5*z - 6*y*z - 3*y^2*z + 12*y^3*z - 20*z^2 + 36*y*z^2 - 21*y^2*z^2 + 30*z^3 - 42*y*z^3 + 15*y^2*z^3 - 20*z^4 + 15*y*z^4 + 5*z^5)*G[1, 0, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 0, -y, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 0, -y, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((2*I)*y*(-1 + z)*z*G[1, 1, 0, 0, 0, y])/ (-1 + y + z)^2 + ((4*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 + 14*z - 15*y*z - 12*y^2*z + 9*y^3*z - 56*z^2 + 99*y*z^2 - 57*y^2*z^2 + 18*y^3*z^2 + 84*z^3 - 117*y*z^3 + 42*y^2*z^3 - 56*z^4 + 42*y*z^4 + 14*z^5)* G[1, 1, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((2*I)*(-2 + 6*y - 6*y^2 + 2*y^3 + 6*z - 12*y*z + 7*y^2*z - 6*z^2 + 6*y*z^2 - y^2*z^2 + 2*z^3)*G[1, 1, 0, 1, 0, y])/ (y*(-1 + y + z)^2) + (((8*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 + 10*z - 3*y*z - 24*y^2*z + 13*y^3*z - 40*z^2 + 63*y*z^2 - 33*y^2*z^2 + 14*y^3*z^2 + 60*z^3 - 81*y*z^3 + 30*y^2*z^3 - 40*z^4 + 30*y*z^4 + 10*z^5)* G[1, 1, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 0, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((2*I)*(-2*y + 6*y^2 - 8*y^3 + 4*y^4 + z + 3*y*z - 9*y^2*z + 8*y^3*z - 4*z^2 + 3*y*z^2 + 6*z^3 - 7*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5)*G[1, 1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 4*z - 3*y*z - 6*y^2*z + 2*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 7*y^3*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)* G[1, 1, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) + (((8*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 + 14*z - 15*y*z - 12*y^2*z + 19*y^3*z - 56*z^2 + 99*y*z^2 - 57*y^2*z^2 + 8*y^3*z^2 + 84*z^3 - 117*y*z^3 + 42*y^2*z^3 - 56*z^4 + 42*y*z^4 + 14*z^5)* G[1, 1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(15*y - 4*z + 4*z^2)*G[1, 1, 1, 1, 0, y])/y^2 - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1 - y, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1 - y, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((2*I)*(-2*y + 6*y^2 - 8*y^3 + 4*y^4 + z + 3*y*z - 9*y^2*z + 8*y^3*z - 4*z^2 + 3*y*z^2 + 6*z^3 - 7*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5)*G[1, 1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 5*z - 6*y*z - 3*y^2*z + 12*y^3*z - 20*z^2 + 36*y*z^2 - 21*y^2*z^2 + 30*z^3 - 42*y*z^3 + 15*y^2*z^3 - 20*z^4 + 15*y*z^4 + 5*z^5)*G[1, 1 - y, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1 - y, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1 - y, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((8*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 5*z - 6*y*z - 3*y^2*z + 12*y^3*z - 20*z^2 + 36*y*z^2 - 21*y^2*z^2 + 30*z^3 - 42*y*z^3 + 15*y^2*z^3 - 20*z^4 + 15*y*z^4 + 5*z^5)*G[1, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 1 - y, -y, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 0, 0, 1 - y, z])/y^2 - ((I/3)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 + 14*z^3 - 42*y*z^3 + 42*y^2*z^3 - 43*y^3*z^3 + 30*y^4*z^3 - 56*z^4 + 126*y*z^4 - 84*y^2*z^4 + 28*y^3*z^4 + 84*z^5 - 126*y*z^5 + 42*y^2*z^5 - 56*z^6 + 42*y*z^6 + 14*z^7)*G[1 - y, 0, 0, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 0, 1 - y, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 0, 1 - y, 1 - y, z])/y^2 - ((I/3)*(-2*y^2 + 6*y^3 - 6*y^4 + 2*y^5 + 2*y^2*z - 6*y^4*z + 4*y^5*z + 9*z^2 - 27*y*z^2 + 30*y^2*z^2 - 24*y^3*z^2 + 12*y^4*z^2 - 27*z^3 + 54*y*z^3 - 30*y^2*z^3 + 12*y^3*z^3 + 27*z^4 - 27*y*z^4 - 9*z^5)* G[1 - y, 0, 0, -y, 1 - y, z])/(y*z^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 4*z^3 + 4*z^4)* G[1 - y, 0, 1, 0, 0, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1, 0, 1 - y, z])/y^2 - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 10*z^3 + 10*z^4)* G[1 - y, 0, 1, 1, 0, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1, 1 - y, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 0, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 0, 1 - y, z])/y^2 + ((I/3)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 - 2*z^3 + 6*y*z^3 - 6*y^2*z^3 - 27*y^3*z^3 + 30*y^4*z^3 + 8*z^4 - 18*y*z^4 + 12*y^2*z^4 + 12*y^3*z^4 - 12*z^5 + 18*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7)*G[1 - y, 0, 1 - y, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 1 - y, 1 - y, 0, z])/y^2 + ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 12*y*z^2 - 36*y^2*z^2 + 39*y^3*z^2 - 27*y^4*z^2 + 12*y^5*z^2 - 16*z^3 + 12*y*z^3 + 24*y^2*z^3 - 23*y^3*z^3 + 12*y^4*z^3 + 64*z^4 - 108*y*z^4 + 60*y^2*z^4 - 16*y^3*z^4 - 96*z^5 + 132*y*z^5 - 48*y^2*z^5 + 64*z^6 - 48*y*z^6 - 16*z^7)*G[1 - y, 0, 1 - y, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, -y, 0, 1 - y, z])/y^2 + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, -y, 1 - y, 0, z])/y^2 + (((4*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 3*y*z^2 + 4*z^3 - 4*z^4)* G[1 - y, 0, -y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 9*y*z^2 + 10*z^3 - 10*z^4)* G[1 - y, 0, -y, -y, 1 - y, z])/(y^2*z^2) - ((4*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, 0, 0, 0, z])/y^2 + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1 - y, 1, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1 - y, 1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1 - y, 1, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4)* G[1 - y, 1, 0, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 39*y^3*z^2 + 3*y^4*z^2 + 6*y^5*z^2 + 10*z^3 + 15*y*z^3 - 60*y^2*z^3 + 23*y^3*z^3 + 6*y^4*z^3 - 40*z^4 + 45*y*z^4 - 15*y^2*z^4 + 16*y^3*z^4 + 60*z^5 - 75*y*z^5 + 30*y^2*z^5 - 40*z^6 + 30*y*z^6 + 10*z^7)*G[1 - y, 1, 0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1 - y, 1, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)* G[1 - y, 1, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[1 - y, 1, 1, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)* G[1 - y, 1, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1 - y, 1, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4)* G[1 - y, 1, 1 - y, 0, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 2*z^3 + 6*y*z^3 - 6*y^2*z^3 - 2*y^3*z^3 + 6*y^4*z^3 + 8*z^4 - 18*y*z^4 + 12*y^2*z^4 - y^3*z^4 - 12*z^5 + 18*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7)* G[1 - y, 1, 1 - y, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4)* G[1 - y, 1, 1 - y, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 39*y^3*z^2 + 3*y^4*z^2 + 6*y^5*z^2 + 10*z^3 + 15*y*z^3 - 60*y^2*z^3 + 23*y^3*z^3 + 6*y^4*z^3 - 40*z^4 + 45*y*z^4 - 15*y^2*z^4 + 16*y^3*z^4 + 60*z^5 - 75*y*z^5 + 30*y^2*z^5 - 40*z^6 + 30*y*z^6 + 10*z^7)*G[1 - y, 1, 1 - y, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 0, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 0, 1 - y, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 1 - y, 0, z])/y^2 + ((I/3)*(-1 + y + z)*(7*y^3 + 14*y^3*z - 9*y*z^2 + 14*z^3 - 14*z^4)* G[1 - y, 1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, 1, 0, 0, z])/z^2 + (((8*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1, 0, 1 - y, z])/ y^2 + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 6*z^3 - 6*z^4)* G[1 - y, 1 - y, 1, 1, 0, z])/(y^2*z^2) + (((8*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1, 1 - y, 0, z])/ y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1 - y, 0, 0, z])/ y^2 - ((2*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1 - y, 1, 0, z])/ y^2 - ((I/3)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 9*y*z^2 - 14*z^3 + 14*z^4)*G[1 - y, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[1 - y, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, -y, -y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, -y, 0, 0, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*z^3 + 3*z^4)* G[1 - y, -y, 0, 1, 0, z])/(y^2*z^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, -y, 0, 1 - y, 0, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 0, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 6*y*z^2 - 6*z^3 + 6*z^4)* G[1 - y, -y, 0, -y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, -y, 1 - y, 0, 0, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, 0, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*z^3 + 3*z^4)* G[1 - y, -y, 1 - y, 1, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, 1 - y, 0, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[1 - y, -y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, -y, 0, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, -y, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 6*y*z^2 - 10*z^3 + 10*z^4)* G[1 - y, -y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (I*(-1 + y + z)*(y^3 + 2*y^3*z + 2*y*z^2 - 2*z^3 + 2*z^4)* G[1 - y, -y, -y, -y, 1 - y, z])/(y^2*z^2) + (((5*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 0, 1, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 0, 1 - y, 1 - y, z])/ (y^2*z^2) + (((4*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)*G[-y, 0, 0, -y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 1, 0, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 1, 1, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 1 - y, 0, 1 - y, z])/ (y^2*z^2) + (((5*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 1 - y, 1, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 1 - y, 1 - y, 0, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 6*y*z^2 - 2*z^3 + 2*z^4)*G[-y, 0, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, -y, 0, 1 - y, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, -y, 1 - y, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 6*y*z^2 - 2*z^3 + 2*z^4)*G[-y, 0, -y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 6*y*z^2 - 2*z^3 + 2*z^4)* G[-y, 0, -y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 0, 0, 1 - y, z])/(y^2*z^2) + (((5*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 0, 1, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 0, 1 - y, 0, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 0, 1 - y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 6*y*z^2 - 2*z^3 + 2*z^4)*G[-y, 1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 1, 0, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1, 1, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, 0, 0, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 1 - y, 0, 1 - y, z])/(y^2*z^2) + (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 1 - y, 1, 0, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 1 - y, 1 - y, 0, z])/(y^2*z^2) + (I*(-1 + y + z)*(y^3 + 2*y^3*z + y*z^2 - 2*z^3 + 2*z^4)*G[-y, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, -y, 0, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, -y, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 12*y*z^2 - 14*z^3 + 14*z^4)* G[-y, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (I*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[-y, 1 - y, -y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, 0, 0, 1 - y, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, -y, 0, 1, 0, z])/ (y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, 0, 1 - y, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, 0, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y + z)*(y^2 - y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3)*G[-y, -y, 0, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, 1 - y, 0, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, 1 - y, 0, 1 - y, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, -y, 1 - y, 1, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, -y, 1 - y, 1 - y, 0, z])/(y^2*z^2) + (I*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[-y, -y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[-y, -y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, -y, 0, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, -y, 1 - y, 0, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[-y, -y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[-y, -y, -y, -y, 1 - y, z])/(y^2*z^2) + (((I/6)*Pi^2*y*(-3 + 3*y - z + 4*z^2))/(-1 + y + z)^2 + (Pi*(-4*y^2 + 12*y^3 - 12*y^4 + 4*y^5 - 9*y*z + 25*y^2*z - 15*y^3*z - 9*y^4*z + 8*y^5*z + 8*z^2 - 43*y*z^2 + 113*y^2*z^2 - 123*y^3*z^2 + 45*y^4*z^2 - 16*z^3 + 68*y*z^3 - 88*y^2*z^3 + 45*y^3*z^3 + 8*z^4 - 16*y*z^4 + 8*y^2*z^4))/(3*(-1 + y)^2*y*z* (-1 + y + z)) - ((I/36)*(108*y^2 - 434*y^3 + 650*y^4 - 426*y^5 + 98*y^6 + 4*y^7 - 108*y*z + 658*y^2*z - 2094*y^3*z + 3400*y^4*z - 2578*y^5*z + 690*y^6*z + 32*y^7*z - 216*z^2 + 1756*y*z^2 - 5132*y^2*z^2 + 7100*y^3*z^2 - 3916*y^4*z^2 - 424*y^5*z^2 + 832*y^6*z^2 + 628*z^3 - 2892*y*z^3 + 3954*y^2*z^3 - 287*y^3*z^3 - 3751*y^4*z^3 + 2348*y^5*z^3 - 576*z^4 + 848*y*z^4 + 1381*y^2*z^4 - 3542*y^3*z^4 + 2348*y^4*z^4 + 132*z^5 + 460*y*z^5 - 965*y^2*z^5 + 832*y^3*z^5 + 32*z^6 - 64*y*z^6 + 32*y^2*z^6))/((-1 + y)^2*y*z*(-1 + y + z)^2*(y + z)))*Zeta[3] + G[0, 0, z]*((-2*Pi^3*y*(-1 + z)*z)/(9*(-1 + y + z)^2) + (2*Pi*z*(8 - 9*y + 9*y^2 - 16*z + 9*y*z + 8*z^2))/ (3*y*(-1 + y + z)) - ((I/18)*(-12*y + 12*y^2 + 179*z - 183*y*z + 195*y^2*z - 358*z^2 + 195*y*z^2 + 179*z^3))/(y*(-1 + y + z)) - ((I/108)*Pi^2*(12*y^2 - 48*y^3 + 72*y^4 - 48*y^5 + 12*y^6 - 6*y^2*z - 6*y^3*z + 54*y^4*z - 66*y^5*z + 24*y^6*z - 12*z^2 + 90*y*z^2 - 187*y^2*z^2 + 221*y^3*z^2 - 181*y^4*z^2 + 69*y^5*z^2 + 36*z^3 - 204*y*z^3 + 355*y^2*z^3 - 260*y^3*z^3 + 73*y^4*z^3 - 36*z^4 + 138*y*z^4 - 168*y^2*z^4 + 84*y^3*z^4 + 12*z^5 - 24*y*z^5 + 12*y^2*z^5))/((-1 + y)^2*y*z*(-1 + y + z)^2) + ((-4*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2) - ((I/18)*(12*y^3 - 48*y^4 + 72*y^5 - 48*y^6 + 12*y^7 - 6*y^3*z - 6*y^4*z + 54*y^5*z - 66*y^6*z + 24*y^7*z - 72*z^2 + 360*y*z^2 - 738*y^2*z^2 + 785*y^3*z^2 - 439*y^4*z^2 + 107*y^5*z^2 - 3*y^6*z^2 + 294*z^3 - 1254*y*z^3 + 2112*y^2*z^3 - 1727*y^3*z^3 + 646*y^4*z^3 - 71*y^5*z^3 - 444*z^4 + 1554*y*z^4 - 2010*y^2*z^4 + 1134*y^3*z^4 - 216*y^4*z^4 + 294*z^5 - 804*y*z^5 + 726*y^2*z^5 - 216*y^3*z^5 - 72*z^6 + 144*y*z^6 - 72*y^2*z^6))/((-1 + y)^2*y^2*z*(-1 + y + z)^2))* G[0, 1, y] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/18)*(-12*y^4 + 36*y^5 - 36*y^6 + 12*y^7 - 18*y^3*z + 66*y^4*z - 54*y^5*z - 18*y^6*z + 24*y^7*z + 10*y^2*z^2 - 57*y^3*z^2 + 219*y^4*z^2 - 271*y^5*z^2 + 171*y^6*z^2 + 44*y*z^3 - 304*y^2*z^3 + 843*y^3*z^3 - 956*y^4*z^3 + 451*y^5*z^3 + 10*z^4 - 281*y*z^4 + 1119*y^2*z^4 - 1624*y^3*z^4 + 746*y^4*z^4 - 64*z^5 + 639*y*z^5 - 1402*y^2*z^5 + 838*y^3*z^5 + 126*z^6 - 593*y*z^6 + 559*y^2*z^6 - 100*z^7 + 191*y*z^7 + 28*z^8))/ (y^2*z*(-1 + y + z)^2*(y + z)^2))*G[1, 0, y] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/9)*(6*y^3 - 12*y^4 + 6*y^5 + 3*y^2*z - 6*y^3*z - 9*y^4*z + 12*y^5*z + 73*y*z^2 - 140*y^2*z^2 + 58*y^3*z^2 + 3*y^4*z^2 + 58*z^3 - 320*y*z^3 + 320*y^2*z^3 - 76*y^3*z^3 - 174*z^4 + 421*y*z^4 - 183*y^2*z^4 + 174*z^5 - 174*y*z^5 - 58*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[1, 1, y] - ((2*I)*y*(-1 + z)*z*G[0, 0, 0, y])/(-1 + y + z)^2 + (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 1, y])/(-1 + y + z)^2 - ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 5*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)*G[0, 1, 1, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 5*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)* G[1, 0, 0, y])/(y^2*(-1 + y + z)^2) - ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, y])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, y])/y^2 + (((14*I)/3)*y*(-1 + z)*z*Zeta[3])/(-1 + y + z)^2) + G[0, 0, y]*((Pi^3*y*(-3 + 3*y + 5*z - 2*z^2))/(9*(-1 + y + z)^2) + (2*Pi*y*(-1 + 3*y - 3*y^2 + y^3 - 8*z + 24*y*z - 24*y^2*z + 8*y^3*z + 27*z^2 - 36*y*z^2 + 9*y^2*z^2 - 18*z^3 + 9*y*z^3))/ (3*(-1 + y)^2*z*(-1 + y + z)) - ((I/36)*(-47*y + 141*y^2 - 141*y^3 + 47*y^4 - 6*z - 475*y*z + 1326*y^2*z - 1203*y^3*z + 358*y^4*z + 12*z^2 + 1446*y*z^2 - 1848*y^2*z^2 + 390*y^3*z^2 - 6*z^3 - 924*y*z^3 + 390*y^2*z^3))/ ((-1 + y)^2*z*(-1 + y + z)) - ((I/108)*Pi^2*(-6*y^2 + 18*y^3 - 18*y^4 + 6*y^5 - 144*y*z + 462*y^2*z - 489*y^3*z + 159*y^4*z + 12*y^5*z + 24*z^2 + 195*y*z^2 - 530*y^2*z^2 + 218*y^3*z^2 + 84*y^4*z^2 - 72*z^3 + 66*y*z^3 + 5*y^2*z^3 + 73*y^3*z^3 + 72*z^4 - 141*y*z^4 + 69*y^2*z^4 - 24*z^5 + 24*y*z^5))/ ((-1 + y)*y*z*(-1 + y + z)^2) + ((-4*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2) - ((I/9)*(-6*y^2 + 18*y^3 - 18*y^4 + 6*y^5 + 3*y^2*z + 6*y^3*z - 21*y^4*z + 12*y^5*z + 12*z^2 - 69*y*z^2 + 74*y^2*z^2 - 74*y^3*z^2 + 57*y^4*z^2 - 36*z^3 + 150*y*z^3 - 128*y^2*z^3 + 32*y^3*z^3 + 36*z^4 - 93*y*z^4 + 57*y^2*z^4 - 12*z^5 + 12*y*z^5))/((-1 + y)*y*z*(-1 + y + z)^2))*G[0, 0, z] + ((2*Pi*y*(-3 + 3*y + 5*z - 2*z^2))/(3*(-1 + y + z)^2) + ((I/18)*(-75*y^2 + 294*y^3 - 504*y^4 + 498*y^5 - 285*y^6 + 72*y^7 - 87*y*z + 750*y^2*z - 1944*y^3*z + 2289*y^4*z - 1311*y^5*z + 303*y^6*z + 24*z^2 + 300*y*z^2 - 1827*y^2*z^2 + 3155*y^3*z^2 - 2114*y^4*z^2 + 462*y^5*z^2 - 120*z^3 - 171*y*z^3 + 1274*y^2*z^3 - 1330*y^3*z^3 + 275*y^4*z^3 + 216*z^4 - 258*y*z^4 - 26*y^2*z^4 - 4*y^3*z^4 - 168*z^5 + 264*y*z^5 - 96*y^2*z^5 + 48*z^6 - 48*y*z^6))/ ((-1 + y)*y*z*(-1 + y + z)^2*(y + z)))*G[0, 1 - y, z] - ((I/6)*(-1 + z)*(3*y^2 - 5*y^3 + 2*y^4 + 3*y*z - 5*y^2*z - 5*y^3*z + 4*y^4*z - 3*y*z^2 - 7*y^2*z^2 + 10*y^3*z^2 + 8*z^3 - 23*y*z^3 + 21*y^2*z^3 - 16*z^4 + 23*y*z^4 + 8*z^5)*G[1, 0, z])/ (y*z^2*(-1 + y + z)^2) + ((2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) + ((I/18)*(17*y^4 - 68*y^5 + 102*y^6 - 68*y^7 + 17*y^8 + 73*y^3*z - 357*y^4*z + 605*y^5*z - 403*y^6*z + 54*y^7*z + 28*y^8*z + 89*y^2*z^2 - 588*y^3*z^2 + 1183*y^4*z^2 - 755*y^5*z^2 - 132*y^6*z^2 + 203*y^7*z^2 + 27*y*z^3 - 329*y^2*z^3 + 806*y^3*z^3 - 344*y^4*z^3 - 773*y^5*z^3 + 613*y^6*z^3 - 24*z^4 + 108*y*z^4 - 315*y^2*z^4 + 899*y^3*z^4 - 1569*y^4*z^4 + 973*y^5*z^4 + 120*z^5 - 657*y*z^5 + 1585*y^2*z^5 - 1875*y^3*z^5 + 971*y^4*z^5 - 216*z^6 + 930*y*z^6 - 1318*y^2*z^6 + 676*y^3*z^6 + 168*z^7 - 456*y*z^7 + 288*y^2*z^7 - 48*z^8 + 48*y*z^8))/((-1 + y)*y*z^2* (-1 + y + z)^2*(y + z)^2))*G[1 - y, 0, z] + ((2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) - ((I/18)*(-19*y^3 + 57*y^4 - 57*y^5 + 19*y^6 + 47*y^2*z - 153*y^3*z + 281*y^4*z - 291*y^5*z + 116*y^6*z + 78*y*z^2 - 444*y^2*z^2 + 929*y^3*z^2 - 911*y^4*z^2 + 348*y^5*z^2 - 24*z^3 - 126*y*z^3 + 657*y^2*z^3 - 909*y^3*z^3 + 366*y^4*z^3 + 72*z^4 - 6*y*z^4 - 254*y^2*z^4 + 152*y^3*z^4 - 72*z^5 + 78*y*z^5 - 6*y^2*z^5 + 24*z^6 - 24*y*z^6))/((-1 + y)*y*z^2* (-1 + y + z)*(y + z)))*G[1 - y, 1 - y, z] - ((I/6)*(-y^4 + y^5 + 4*y^2*z - 11*y^3*z + 7*y^4*z + 3*y^5*z + 8*y*z^2 - 44*y^2*z^2 + 62*y^3*z^2 - 19*y^4*z^2 + 5*y^5*z^2 - 8*z^3 - 2*y*z^3 + 59*y^2*z^3 - 47*y^3*z^3 + 10*y^4*z^3 + 32*z^4 - 45*y*z^4 + 7*y^2*z^4 - 4*y^3*z^4 - 48*z^5 + 64*y*z^5 - 26*y^2*z^5 + 32*z^6 - 25*y*z^6 - 8*z^7)*G[-y, 1 - y, z])/ (y*z^2*(-1 + y + z)^2*(y + z)) - ((2*I)*y*(-1 + z)*z*G[0, 0, 0, z])/ (-1 + y + z)^2 - ((I/3)*(-6*y + 18*y^2 - 27*y^3 + 15*y^4 + 4*z + 6*y*z - 24*y^2*z + 29*y^3*z - 16*z^2 + 18*y*z^2 - 6*y^2*z^2 - 2*y^3*z^2 + 24*z^3 - 30*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*y*(-1 + z)*z*G[0, 1, 0, z])/(-1 + y + z)^2 - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 + 7*y^3*z^3 + 6*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 10*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)*G[0, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 27*y^3*z^2 - 21*y^4*z^2 + 6*y^5*z^2 - 4*z^3 - 6*y*z^3 + 24*y^2*z^3 - 29*y^3*z^3 + 6*y^4*z^3 + 16*z^4 - 18*y*z^4 + 6*y^2*z^4 + 2*y^3*z^4 - 24*z^5 + 30*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)*G[0, 1 - y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-6*y + 18*y^2 - 21*y^3 + 9*y^4 + 4*z + 6*y*z - 24*y^2*z + 19*y^3*z - 16*z^2 + 18*y*z^2 - 6*y^2*z^2 + 2*y^3*z^2 + 24*z^3 - 30*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)* G[0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 2*z^3 - 6*y*z^3 + 6*y^2*z^3 - 8*y^3*z^3 + 6*y^4*z^3 - 8*z^4 + 18*y*z^4 - 12*y^2*z^4 + 5*y^3*z^4 + 12*z^5 - 18*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7)*G[1 - y, 0, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 27*y^3*z^2 - 39*y^4*z^2 + 24*y^5*z^2 - 4*z^3 - 6*y*z^3 + 24*y^2*z^3 - 29*y^3*z^3 + 24*y^4*z^3 + 16*z^4 - 18*y*z^4 + 6*y^2*z^4 + 2*y^3*z^4 - 24*z^5 + 30*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)* G[1 - y, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 4*z^3 + 4*z^4)* G[1 - y, 1, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)* (3*y^3 + 6*y^3*z - 4*z^3 + 4*z^4)*G[1 - y, 1 - y, 0, z])/ (y^2*z^2) + (I*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, 1 - y, z])/ z^2 + ((I/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, -y, 1 - y, z])/z^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, 0, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)*G[-y, -y, 1 - y, z])/ (y^2*z^2) - (((2*I)/3)*y*(-15 + 15*y + 22*z - 7*z^2)*Zeta[3])/ (-1 + y + z)^2) + G[1, 0, z]* ((-2*Pi^3*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (9*y^2*(-1 + y + z)^2) - ((I/108)*Pi^2*(3*y - 3*y^2 - 9*y^3 + 15*y^4 - 6*y^5 - 6*z + 18*y*z - 30*y^2*z + 24*y^3*z - 6*y^5*z + 30*z^2 - 99*y*z^2 + 96*y^2*z^2 + 6*y^3*z^2 - 45*y^4*z^2 + 12*y^5*z^2 + 202*z^3 - 645*y*z^3 + 957*y^2*z^3 - 588*y^3*z^3 + 264*y^4*z^3 - 988*z^4 + 2304*y*z^4 - 2067*y^2*z^4 + 567*y^3*z^4 + 1542*z^5 - 2385*y*z^5 + 1047*y^2*z^5 - 1042*z^6 + 804*y*z^6 + 262*z^7))/(y^2*z^2*(-1 + y + z)^2) - ((I/36)*(64*y^3 - 192*y^4 + 192*y^5 - 64*y^6 - 24*y^2*z - 56*y^3*z + 96*y^4*z + 72*y^5*z - 88*y^6*z - 216*y*z^2 + 629*y^2*z^2 - 858*y^3*z^2 + 725*y^4*z^2 - 288*y^5*z^2 + 8*y^6*z^2 + 97*z^3 + 105*y*z^3 - 491*y^2*z^3 + 650*y^3*z^3 - 160*y^4*z^3 + 24*y^5*z^3 - 388*z^4 + 1078*y*z^4 - 1255*y^2*z^4 + 890*y^3*z^4 - 325*y^4*z^4 + 582*z^5 - 1704*y*z^5 + 1587*y^2*z^5 - 690*y^3*z^5 - 388*z^6 + 834*y*z^6 - 446*y^2*z^6 + 97*z^7 - 97*y*z^7))/ ((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)) - (Pi*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 8*y^3*z - 12*y^4*z + 4*y^6*z - 6*y*z^2 + 31*y^2*z^2 - 54*y^3*z^2 + 25*y^4*z^2 + 4*y^6*z^2 - 13*z^3 + 87*y*z^3 - 211*y^2*z^3 + 214*y^3*z^3 - 92*y^4*z^3 + 12*y^5*z^3 + 52*z^4 - 238*y*z^4 + 385*y^2*z^4 - 254*y^3*z^4 + 55*y^4*z^4 - 78*z^5 + 252*y*z^5 - 261*y^2*z^5 + 90*y^3*z^5 + 52*z^6 - 108*y*z^6 + 56*y^2*z^6 - 13*z^7 + 13*y*z^7))/(3*(-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)) + ((I/6)*(-1 + z)*(y - 3*y^3 + 2*y^4 - 2*z + 6*y*z - 5*y^2*z - 3*y^3*z + 4*y^4*z + 6*z^2 - 14*y*z^2 + 2*y^2*z^2 + 6*y^3*z^2 - 6*z^3 + 2*y*z^3 + 15*y^2*z^3 + 2*z^4 + 5*y*z^4)*G[1, 1, y])/ (y^2*z^2*(-1 + y + z)) - (((8*I)/3)*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[0, 0, 1, y])/ (y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 1, y])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, y])/(y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (((8*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*Zeta[3])/ (y^2*(-1 + y + z)^2)) + G[0, 1, y]* (-1/9*(Pi^3*(-3*y^3 + 3*y^4 + 2*z - 6*y*z + 6*y^2*z + 7*y^3*z - 8*z^2 + 18*y*z^2 - 12*y^2*z^2 - 4*y^3*z^2 + 12*z^3 - 18*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/(y^2*(-1 + y + z)^2) - ((I/36)*(6*y^3 + 11*y^4 - 40*y^5 + 23*y^6 - 19*y^2*z + 135*y^3*z - 203*y^4*z + 29*y^5*z + 58*y^6*z + 274*y*z^2 - 781*y^2*z^2 + 995*y^3*z^2 - 508*y^4*z^2 + 191*y^5*z^2 - 97*z^3 - 218*y*z^3 + 966*y^2*z^3 - 874*y^3*z^3 + 169*y^4*z^3 + 291*z^4 - 483*y*z^4 + 67*y^2*z^4 - 100*y^3*z^4 - 291*z^5 + 524*y*z^5 - 233*y^2*z^5 + 97*z^6 - 97*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)*(y + z)) + (Pi*(2*y^4 - 4*y^5 + 2*y^6 - y^2*z + 9*y^3*z - 14*y^4*z + 2*y^5*z + 4*y^6*z - 2*y*z^2 + 8*y^2*z^2 - 7*y^3*z^2 - y^4*z^2 + 11*y^5*z^2 - 13*z^3 + 52*y*z^3 - 69*y^2*z^3 + 35*y^3*z^3 + y^4*z^3 + 39*z^4 - 111*y*z^4 + 97*y^2*z^4 - 28*y^3*z^4 - 39*z^5 + 74*y*z^5 - 35*y^2*z^5 + 13*z^6 - 13*y*z^6))/(3*(-1 + y)*y^2*z* (-1 + y + z)*(y + z)) + ((I/108)*Pi^2*(6*y^5 - 24*y^6 + 36*y^7 - 24*y^8 + 6*y^9 + 93*y^4*z - 429*y^5*z + 717*y^6*z - 507*y^7*z + 114*y^8*z + 12*y^9*z - 262*y^2*z^2 + 1418*y^3*z^2 - 3379*y^4*z^2 + 4435*y^5*z^2 - 3140*y^6*z^2 + 973*y^7*z^2 - 45*y^8*z^2 - 515*y*z^3 + 3593*y^2*z^3 - 9796*y^3*z^3 + 13782*y^4*z^3 - 10538*y^5*z^3 + 3994*y^6*z^3 - 520*y^7*z^3 - 244*z^4 + 3238*y*z^4 - 12497*y^2*z^4 + 22125*y^3*z^4 - 20173*y^4*z^4 + 9143*y^5*z^4 - 1583*y^6*z^4 + 994*z^5 - 7202*y*z^5 + 18341*y^2*z^5 - 21696*y^3*z^5 + 12162*y^4*z^5 - 2581*y^5*z^5 - 1518*z^6 + 7274*y*z^6 - 12461*y^2*z^6 + 9172*y^3*z^6 - 2458*y^4*z^6 + 1030*z^7 - 3319*y*z^7 + 3548*y^2*z^7 - 1259*y^3*z^7 - 262*z^8 + 524*y*z^8 - 262*y^2*z^8))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) + ((-2*Pi*(-3*y^3 + 3*y^4 + 2*z - 6*y*z + 6*y^2*z + 5*y^3*z - 8*z^2 + 18*y*z^2 - 12*y^2*z^2 - 2*y^3*z^2 + 12*z^3 - 18*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(-3*y^3 + 15*y^4 - 30*y^5 + 30*y^6 - 15*y^7 + 3*y^8 + 3*y^2*z - 66*y^3*z + 303*y^4*z - 549*y^5*z + 444*y^6*z - 141*y^7*z + 6*y^8*z - 146*y*z^2 + 640*y^2*z^2 - 896*y^3*z^2 + 271*y^4*z^2 + 292*y^5*z^2 - 137*y^6*z^2 - 24*y^7*z^2 - 116*z^3 + 1107*y*z^3 - 3162*y^2*z^3 + 3957*y^3*z^3 - 2433*y^4*z^3 + 858*y^5*z^3 - 211*y^6*z^3 + 458*z^4 - 2653*y*z^4 + 5468*y^2*z^4 - 5218*y^3*z^4 + 2408*y^4*z^4 - 481*y^5*z^4 - 684*z^5 + 2819*y*z^5 - 4195*y^2*z^5 + 2669*y^3*z^5 - 627*y^4*z^5 + 458*z^6 - 1359*y*z^6 + 1344*y^2*z^6 - 443*y^3*z^6 - 116*z^7 + 232*y*z^7 - 116*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)))* G[0, 1 - y, z] + ((-4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/18)*(18*y^3 - 78*y^4 + 126*y^5 - 90*y^6 + 24*y^7 + 27*y^2*z - 42*y^3*z - 84*y^4*z + 243*y^5*z - 201*y^6*z + 57*y^7*z + 107*y*z^2 - 404*y^2*z^2 + 411*y^3*z^2 + 82*y^4*z^2 - 316*y^5*z^2 + 120*y^6*z^2 + 44*z^3 - 464*y*z^3 + 1130*y^2*z^3 - 1034*y^3*z^3 + 314*y^4*z^3 + 19*y^5*z^3 - 132*z^4 + 695*y*z^4 - 1165*y^2*z^4 + 773*y^3*z^4 - 162*y^4*z^4 + 132*z^5 - 426*y*z^5 + 456*y^2*z^5 - 162*y^3*z^5 - 44*z^6 + 88*y*z^6 - 44*y^2*z^6))/((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)))* G[0, -y, z] + ((4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)* (-3*y + 3*y^2 + 9*y^3 - 15*y^4 + 6*y^5 + 6*z - 21*y*z + 33*y^2*z - 15*y^3*z - 15*y^4*z + 12*y^5*z - 24*z^2 + 78*y*z^2 - 63*y^2*z^2 - 21*y^3*z^2 + 30*y^4*z^2 - 8*z^3 + 51*y*z^3 - 114*y^2*z^3 + 99*y^3*z^3 + 108*z^4 - 237*y*z^4 + 141*y^2*z^4 - 126*z^5 + 132*y*z^5 + 44*z^6))/(y^2*z^2*(-1 + y + z)^2))* G[1, 0, z] + ((2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(9*y^2 - 27*y^3 + 24*y^4 - 6*y^5 - 9*y*z + 27*y^2*z - 48*y^3*z + 45*y^4*z - 6*y^5*z + 18*z^2 - 81*y*z^2 + 297*y^2*z^2 - 444*y^3*z^2 + 225*y^4*z^2 + 12*y^5*z^2 - 56*z^3 + 222*y*z^3 - 609*y^2*z^3 + 384*y^3*z^3 + 48*y^4*z^3 + 44*z^4 - 90*y*z^4 + 174*y^2*z^4 + 135*y^3*z^4 + 24*z^5 - 117*y*z^5 + 102*y^2*z^5 - 46*z^6 + 75*y*z^6 + 16*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, z] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/(3*y^2*z^2) + ((I/18)*(-3*y^2 + 6*y^3 + 23*y^4 - 92*y^5 + 123*y^6 - 74*y^7 + 17*y^8 + 3*y*z - 21*y^2*z + 44*y^3*z + 16*y^4*z - 175*y^5*z + 241*y^6*z - 136*y^7*z + 28*y^8*z + 6*z^2 - 51*y*z^2 + 162*y^2*z^2 - 135*y^3*z^2 - 232*y^4*z^2 + 497*y^5*z^2 - 304*y^6*z^2 + 57*y^7*z^2 - 24*z^3 + 25*y*z^3 + 143*y^2*z^3 - 444*y^3*z^3 + 554*y^4*z^3 - 329*y^5*z^3 + 75*y^6*z^3 - 80*z^4 + 638*y*z^4 - 1526*y^2*z^4 + 1602*y^3*z^4 - 778*y^4*z^4 + 126*y^5*z^4 + 324*z^5 - 1394*y*z^5 + 2125*y^2*z^5 - 1364*y^3*z^5 + 291*y^4*z^5 - 342*z^6 + 1011*y*z^6 - 996*y^2*z^6 + 327*y^3*z^6 + 116*z^7 - 232*y*z^7 + 116*y^2*z^7))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))*G[1 - y, 0, z] + ((-2*Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/ (3*y^2*z^2) + ((I/18)*(3*y^2 - 6*y^3 - 4*y^4 + 16*y^5 - 9*y^6 - 2*y^7 + 2*y^8 - 3*y*z + 21*y^2*z - 64*y^3*z + 52*y^4*z + 47*y^5*z - 65*y^6*z - 4*y^7*z + 16*y^8*z - 6*z^2 + 42*y*z^2 - 105*y^2*z^2 - 78*y^3*z^2 + 539*y^4*z^2 - 556*y^5*z^2 + 122*y^6*z^2 + 42*y^7*z^2 + 6*z^3 - 151*y*z^3 + 376*y^2*z^3 - 120*y^3*z^3 - 200*y^4*z^3 + 29*y^5*z^3 + 60*y^6*z^3 - 70*z^4 + 625*y*z^4 - 1423*y^2*z^4 + 1454*y^3*z^4 - 735*y^4*z^4 + 167*y^5*z^4 + 234*z^5 - 1126*y*z^5 + 1862*y^2*z^5 - 1282*y^3*z^5 + 330*y^4*z^5 - 252*z^6 + 789*y*z^6 - 822*y^2*z^6 + 285*y^3*z^6 + 88*z^7 - 176*y*z^7 + 88*y^2*z^7))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))*G[1 - y, 1 - y, z] - ((I/6)*(8*y^2 - 27*y^3 + 33*y^4 - 17*y^5 + 3*y^6 + 13*y*z - 35*y^2*z + 15*y^3*z + 29*y^4*z - 28*y^5*z + 6*y^6*z + 17*z^2 - 72*y*z^2 + 79*y^2*z^2 + 2*y^3*z^2 - 38*y^4*z^2 + 12*y^5*z^2 - 40*z^3 + 114*y*z^3 - 105*y^2*z^3 + 28*y^3*z^3 + 29*z^4 - 67*y*z^4 + 47*y^2*z^4 - 12*y^3*z^4 - 6*z^5 + 12*y*z^5 - 6*y^2*z^5)*G[1 - y, -y, z])/((-1 + y)^2*y*z*(-1 + y + z)* (y + z)) - ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 - 8*y^2*z + 22*y^3*z - 12*y^4*z - 10*y^5*z + 8*y^6*z - 16*y*z^2 + 63*y^2*z^2 - 49*y^3*z^2 - 29*y^4*z^2 + 25*y^5*z^2 + 51*y*z^3 - 106*y^2*z^3 + 15*y^3*z^3 + 26*y^4*z^3 - 2*z^4 - 53*y*z^4 + 55*y^2*z^4 + 4*y^3*z^4 + 4*z^5 + 23*y*z^5 - 10*y^2*z^5 - 2*z^6 - 5*y*z^6)*G[-y, 0, z])/(y^2*z*(-1 + y + z)^2*(y + z)) + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/18)*(-17*y^4 + 54*y^5 - 54*y^6 + 17*y^7 + 13*y^3*z - 28*y^4*z + 54*y^5*z - 76*y^6*z + 28*y^7*z + 15*y^2*z^2 - 85*y^3*z^2 + 207*y^4*z^2 - 267*y^5*z^2 + 94*y^6*z^2 - 23*y*z^3 + 66*y^2*z^3 - 27*y^3*z^3 - 158*y^4*z^3 + 96*y^5*z^3 - 44*z^4 + 239*y*z^4 - 441*y^2*z^4 + 283*y^3*z^4 - 40*y^4*z^4 + 170*z^5 - 567*y*z^5 + 624*y^2*z^5 - 220*y^3*z^5 - 252*z^6 + 527*y*z^6 - 282*y^2*z^6 + 170*z^7 - 176*y*z^7 - 44*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 1 - y, z] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/18)*(-17*y^4 + 48*y^5 - 48*y^6 + 17*y^7 - 5*y^3*z - 4*y^4*z + 42*y^5*z - 52*y^6*z + 28*y^7*z - 21*y^2*z^2 - 55*y^3*z^2 + 336*y^4*z^2 - 369*y^5*z^2 + 145*y^6*z^2 - 95*y*z^3 + 285*y^2*z^3 + 54*y^3*z^3 - 515*y^4*z^3 + 297*y^5*z^3 - 44*z^4 + 470*y*z^4 - 768*y^2*z^4 + 76*y^3*z^4 + 254*y^4*z^4 + 182*z^5 - 852*y*z^5 + 765*y^2*z^5 - 34*y^3*z^5 - 276*z^6 + 656*y*z^6 - 243*y^2*z^6 + 182*z^7 - 179*y*z^7 - 44*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, -y, z] - ((2*I)*y*(-1 + z)*z*G[0, 0, 0, z])/(-1 + y + z)^2 + ((I/3)*(-3*y^3 + 3*y^4 - 6*z + 18*y*z - 18*y^2*z + 5*y^3*z + 24*z^2 - 54*y*z^2 + 36*y^2*z^2 - 2*y^3*z^2 - 36*z^3 + 54*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)*G[0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-4 + 12*y - 12*y^2 + 5*y^3 + 12*z - 24*y*z + 12*y^2*z - 12*z^2 + 12*y*z^2 + 4*z^3)* G[0, 0, -y, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(1 - 3*y + 3*y^2 + y^3 - 3*z + 6*y*z - 3*y^2*z + 3*z^2 - 3*y*z^2 - z^3)*G[0, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 3*z - 9*y^2*z + 13*y^3*z - 12*z^2 + 18*y*z^2 - 9*y^2*z^2 - y^3*z^2 + 18*z^3 - 24*y*z^3 + 9*y^2*z^3 - 12*z^4 + 9*y*z^4 + 3*z^5)*G[0, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 6*z^3 - 18*y*z^3 + 18*y^2*z^3 - 15*y^3*z^3 + 6*y^4*z^3 - 24*z^4 + 54*y*z^4 - 36*y^2*z^4 + 12*y^3*z^4 + 36*z^5 - 54*y*z^5 + 18*y^2*z^5 - 24*z^6 + 18*y*z^6 + 6*z^7)*G[0, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 15*y^3*z^2 - 27*y^4*z^2 + 12*y^5*z^2 - 8*z^3 + 24*y*z^3 - 24*y^2*z^3 - 21*y^3*z^3 + 12*y^4*z^3 + 32*z^4 - 72*y*z^4 + 48*y^2*z^4 + 6*y^3*z^4 - 48*z^5 + 72*y*z^5 - 24*y^2*z^5 + 32*z^6 - 24*y*z^6 - 8*z^7)* G[0, 1 - y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 6*z - 9*y*z + 5*y^3*z - 24*z^2 + 45*y*z^2 - 27*y^2*z^2 + 4*y^3*z^2 + 36*z^3 - 51*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5)*G[0, 1 - y, -y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)* G[0, -y, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(y^3 - 2*y^4 + y^5 - 2*y^4*z + 2*y^5*z - 6*y^3*z^2 + 4*y^4*z^2 - 2*z^3 + 4*y*z^3 - 2*y^2*z^3 + 2*y^3*z^3 + 6*z^4 - 8*y*z^4 + 2*y^2*z^4 - 6*z^5 + 4*y*z^5 + 2*z^6)* G[0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)) - ((I/3)*(y^3 - 2*y^4 + y^5 - 2*y^4*z + 2*y^5*z + 4*y^4*z^2 + 4*z^3 - 8*y*z^3 + 4*y^2*z^3 + 2*y^3*z^3 - 12*z^4 + 16*y*z^4 - 4*y^2*z^4 + 12*z^5 - 8*y*z^5 - 4*z^6)*G[0, -y, -y, z])/ (y^2*z^2*(-1 + y + z)) + (((8*I)/3)*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 0, -y, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((2*I)*(-2*y + 6*y^2 - 8*y^3 + 4*y^4 + z + 3*y*z - 9*y^2*z + 8*y^3*z - 4*z^2 + 3*y*z^2 + 6*z^3 - 7*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5)*G[1, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 5*z - 6*y*z - 3*y^2*z + 12*y^3*z - 20*z^2 + 36*y*z^2 - 21*y^2*z^2 + 30*z^3 - 42*y*z^3 + 15*y^2*z^3 - 20*z^4 + 15*y*z^4 + 5*z^5)*G[1, 1 - y, 1 - y, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)* G[1, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 3*z^3 + 9*y*z^3 - 9*y^2*z^3 - 3*y^3*z^3 + 6*y^4*z^3 + 12*z^4 - 27*y*z^4 + 18*y^2*z^4 - 18*z^5 + 27*y*z^5 - 9*y^2*z^5 + 12*z^6 - 9*y*z^6 - 3*z^7)* G[1 - y, 0, 0, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-3*y^3 + 3*y^4 - 8*z + 24*y*z - 24*y^2*z + 15*y^3*z + 32*z^2 - 72*y*z^2 + 48*y^2*z^2 - 12*y^3*z^2 - 48*z^3 + 72*y*z^3 - 24*y^2*z^3 + 32*z^4 - 24*y*z^4 - 8*z^5)*G[1 - y, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 3*y*z^2 + 6*z^3 - 6*z^4)*G[1 - y, 0, -y, z])/(y^2*z^2) + ((I/3)*y*(-1 + 3*y - 3*y^2 + y^3 + z - 3*y^2*z + 2*y^3*z + 3*z^2 - 9*y*z^2 + 6*y^2*z^2 - 7*z^3 + 6*y*z^3 + 4*z^4)*G[1 - y, 1, 0, z])/ (z^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 39*y^3*z^2 + 3*y^4*z^2 + 6*y^5*z^2 + 10*z^3 + 15*y*z^3 - 60*y^2*z^3 + 23*y^3*z^3 + 6*y^4*z^3 - 40*z^4 + 45*y*z^4 - 15*y^2*z^4 + 16*y^3*z^4 + 60*z^5 - 75*y*z^5 + 30*y^2*z^5 - 40*z^6 + 30*y*z^6 + 10*z^7)*G[1 - y, 1, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(3*y^3 + 6*y^3*z + 8*z^3 - 8*z^4)* G[1 - y, 1 - y, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 9*y*z^2 - 14*z^3 + 14*z^4)* G[1 - y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, -y, 0, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, -y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 1 - y, z])/(y^2*z^2) + (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, -y, z])/ (y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 0, z])/(y^2*z^2) - ((2*I)*(-1 + y + z)* G[-y, 1 - y, 1 - y, z])/y + ((I/3)*(-1 + y + z)* (4*y^3 + 8*y^3*z + 3*y*z^2 - 8*z^3 + 8*z^4)*G[-y, 1 - y, -y, z])/ (y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, 0, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, -y, z])/(y^2*z^2) - ((I/3)*(-18 + 54*y - 69*y^2 + 33*y^3 + 54*z - 108*y*z + 71*y^2*z - 54*z^2 + 54*y*z^2 - 2*y^2*z^2 + 18*z^3)*Zeta[3])/(y*(-1 + y + z)^2)) + G[1 - y, 1 - y, z]*(-1/3*(Pi^3*(-1 + y + z)*(y^3 + 2*y^3*z + y*z^2 - 2*z^3 + 2*z^4))/(y^2*z^2) - (2*Pi*(-1 + y + z)* (y^3 + 3*y^2*z + 8*y^3*z - 15*y*z^2 + 15*y^2*z^2 - 8*z^3 + 15*y*z^3 + 8*z^4))/(3*y*z*(y + z)^2) + ((I/36)*(-47*y^3 + 47*y^4 - 276*y^2*z - 41*y^3*z + 358*y^4*z + 669*y*z^2 - 1083*y^2*z^2 + 1042*y^3*z^2 + 358*z^3 - 1711*y*z^3 + 1368*y^2*z^3 - 716*z^4 + 1042*y*z^4 + 358*z^5))/(y*z*(y + z)^2) - ((I/36)*Pi^2*(2*y^3 - 9*y^4 + 10*y^5 + 15*y^6 - 50*y^7 + 53*y^8 - 26*y^9 + 5*y^10 + 5*y^3*z - 50*y^4*z + 175*y^5*z - 296*y^6*z + 259*y^7*z - 106*y^8*z + 9*y^9*z + 4*y^10*z - 6*y*z^2 + 51*y^2*z^2 - 198*y^3*z^2 + 428*y^4*z^2 - 514*y^5*z^2 + 277*y^6*z^2 + 40*y^7*z^2 - 116*y^8*z^2 + 38*y^9*z^2 - 4*z^3 + 51*y*z^3 - 218*y^2*z^3 + 398*y^3*z^3 - 173*y^4*z^3 - 435*y^5*z^3 + 748*y^6*z^3 - 506*y^7*z^3 + 139*y^8*z^3 + 14*z^4 - 89*y*z^4 + 107*y^2*z^4 + 442*y^3*z^4 - 1432*y^4*z^4 + 1689*y^5*z^4 - 985*y^6*z^4 + 254*y^7*z^4 - 12*z^5 - 29*y*z^5 + 525*y^2*z^5 - 1582*y^3*z^5 + 1997*y^4*z^5 - 1203*y^5*z^5 + 298*y^6*z^5 - 12*z^6 + 209*y*z^6 - 840*y^2*z^6 + 1331*y^3*z^6 - 954*y^4*z^6 + 254*y^5*z^6 + 28*z^7 - 202*y*z^7 + 465*y^2*z^7 - 436*y^3*z^7 + 139*y^4*z^7 - 18*z^8 + 74*y*z^8 - 94*y^2*z^8 + 38*y^3*z^8 + 4*z^9 - 8*y*z^9 + 4*y^2*z^9))/((-1 + y)^2*y^2*z^2* (-1 + y + z)^2*(y + z)^2) + (I*y*(-1 + y + z)*(1 + 2*z)* G[0, 0, 0, y])/z^2 - ((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 6*y*z^2 + 12*z^3 - 12*z^4)*G[0, 0, 1, y])/(y^2*z^2) + (I*(-1 + y + z)*(y^2 + 2*y^2*z - 3*z^2)*G[0, 1, 0, y])/(y*z^2) - (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[0, 1, 1, y])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(3*y^3 + 6*y^3*z + 6*y*z^2 - 8*z^3 + 8*z^4)*G[1, 0, 0, y])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(3*y^3 + 6*y^3*z + 9*y*z^2 - 14*z^3 + 14*z^4)* G[1, 0, 1, y])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 6*y*z^2 + z^3 - z^4)*G[1, 1, 0, y])/(y^2*z^2) - (((8*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* Zeta[3])/(y^2*z^2)) + G[-y, 1 - y, z]* (-1/9*(Pi^3*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(y^2*z^2) - (Pi*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 7*y^2*z - 25*y^3*z + 42*y^4*z - 37*y^5*z + 13*y^6*z - 11*y*z^2 + 16*y^2*z^2 + 5*y^3*z^2 - 32*y^4*z^2 + 22*y^5*z^2 + 13*z^3 - 13*y*z^3 - 10*y^2*z^3 + 8*y^3*z^3 + 5*y^4*z^3 - 39*z^4 + 72*y*z^4 - 35*y^2*z^4 + 5*y^3*z^4 + 39*z^5 - 61*y*z^5 + 22*y^2*z^5 - 13*z^6 + 13*y*z^6))/(3*(-1 + y)*y^2*z^2*(-1 + y + z)) + ((I/36)*(-38*y^3 + 114*y^4 - 114*y^5 + 38*y^6 + 97*y^2*z - 238*y^3*z + 282*y^4*z - 238*y^5*z + 97*y^6*z - 371*y*z^2 + 907*y^2*z^2 - 1054*y^3*z^2 + 382*y^4*z^2 + 136*y^5*z^2 + 97*z^3 + 509*y*z^3 - 1549*y^2*z^3 + 1253*y^3*z^3 - 85*y^4*z^3 - 291*z^4 + 192*y*z^4 + 409*y^2*z^4 - 85*y^3*z^4 + 291*z^5 - 427*y*z^5 + 136*y^2*z^5 - 97*z^6 + 97*y*z^6))/((-1 + y)*y^2*z^2* (-1 + y + z)) - ((I/108)*Pi^2*(-8*y^5 + 33*y^6 - 42*y^7 + 17*y^8 + 71*y^4*z - 271*y^5*z + 564*y^6*z - 626*y^7*z + 262*y^8*z + 190*y^3*z^2 - 1142*y^4*z^2 + 2619*y^5*z^2 - 2965*y^6*z^2 + 1334*y^7*z^2 + 379*y^2*z^3 - 2131*y^3*z^3 + 5091*y^4*z^3 - 6032*y^5*z^3 + 2980*y^6*z^3 + 548*y*z^4 - 3223*y^2*z^4 + 7293*y^3*z^4 - 8227*y^4*z^4 + 4106*y^5*z^4 + 244*z^5 - 2924*y*z^5 + 8235*y^2*z^5 - 9422*y^3*z^5 + 4396*y^4*z^5 - 994*z^6 + 5538*y*z^6 - 8371*y^2*z^6 + 4106*y^3*z^6 + 1518*z^7 - 4496*y*z^7 + 2980*y^2*z^7 - 1030*z^8 + 1334*y*z^8 + 262*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2) + (I*(-1 + y + z)*G[0, 0, 1, y])/ y + ((I/3)*(-1 + y + z)*(y + z)*(y^2 - y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3)*G[0, 1, 0, y])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(4*y^3 + 8*y^3*z + 3*y*z^2 - 8*z^3 + 8*z^4)* G[0, 1, 1, y])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 0, 0, y])/(y^2*z^2) - ((2*I)*(-1 + y + z)*G[1, 0, 1, y])/y + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[1, 1, 0, y])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 27*y*z^2 - 4*z^3 + 4*z^4)*Zeta[3])/(y^2*z^2)) + G[1, 1 - y, z]*((Pi^3*(-y + 3*y^2 - 4*y^3 + 2*y^4 + 2*z - 3*y*z + 4*y^3*z - 8*z^2 + 15*y*z^2 - 9*y^2*z^2 + 12*z^3 - 17*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/(3*y^2*(-1 + y + z)^2) + ((I/36)*Pi^2*(y - 4*y^2 + 3*y^3 + 2*y^4 - 2*y^5 - 2*z + 9*y*z - 22*y^2*z + 32*y^3*z - 15*y^4*z - 2*y^5*z + 4*z^2 - 6*y*z^2 - 61*y^2*z^2 + 152*y^3*z^2 - 105*y^4*z^2 + 4*y^5*z^2 + 8*z^3 - 55*y*z^3 + 222*y^2*z^3 - 196*y^3*z^3 + 4*y^4*z^3 - 32*z^4 + 96*y*z^4 - 153*y^2*z^4 + 9*y^3*z^4 + 38*z^5 - 54*y*z^5 + 18*y^2*z^5 - 20*z^6 + 9*y*z^6 + 4*z^7))/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 8*z - 15*y*z + 6*y^2*z + 12*y^3*z - 32*z^2 + 63*y*z^2 - 39*y^2*z^2 + 48*z^3 - 69*y*z^3 + 24*y^2*z^3 - 32*z^4 + 24*y*z^4 + 8*z^5)*G[0, 0, 1, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 2*z + 15*y*z - 24*y^2*z + 12*y^3*z + 8*z^2 - 27*y*z^2 + 21*y^2*z^2 - 12*z^3 + 21*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[0, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 1, 1, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 0, 0, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 5*z - 6*y*z - 3*y^2*z + 12*y^3*z - 20*z^2 + 36*y*z^2 - 21*y^2*z^2 + 30*z^3 - 42*y*z^3 + 15*y^2*z^3 - 20*z^4 + 15*y*z^4 + 5*z^5)*G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 - 2*z + 33*y*z - 60*y^2*z + 36*y^3*z + 8*z^2 - 45*y*z^2 + 39*y^2*z^2 - 12*z^3 + 27*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[1, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (I*(-5*y + 15*y^2 - 20*y^3 + 10*y^4 + 4*z + 3*y*z - 18*y^2*z + 20*y^3*z - 16*z^2 + 21*y*z^2 - 9*y^2*z^2 + 24*z^3 - 31*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)* Zeta[3])/(y^2*(-1 + y + z)^2)) + G[0, 1, z]* (((-1/36*I)*Pi^2*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y*z^2 - 17*y^2*z^2 + 28*y^3*z^2 - 29*y^4*z^2 + 12*y^5*z^2 + 7*z^3 - 31*y*z^3 + 56*y^2*z^3 - 50*y^3*z^3 + 21*y^4*z^3 - 12*z^4 + 34*y*z^4 - 36*y^2*z^4 + 18*y^3*z^4 + 2*y^4*z^4 + 3*z^5 - 5*y*z^5 + y^2*z^5 + 4*y^3*z^5 + 2*z^6 - 4*y*z^6 + 2*y^2*z^6))/((-1 + y)^2*y*z*(-1 + y + z)* (y + z)^2) - (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 3*z - 9*y^2*z + 13*y^3*z - 12*z^2 + 18*y*z^2 - 9*y^2*z^2 - y^3*z^2 + 18*z^3 - 24*y*z^3 + 9*y^2*z^3 - 12*z^4 + 9*y*z^4 + 3*z^5)* G[0, 0, 1, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 11*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + y^3*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 3*z - 9*y^2*z + 13*y^3*z - 12*z^2 + 18*y*z^2 - 9*y^2*z^2 - y^3*z^2 + 18*z^3 - 24*y*z^3 + 9*y^2*z^3 - 12*z^4 + 9*y*z^4 + 3*z^5)*G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 11*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + y^3*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 + 4*z + 15*y*z - 42*y^2*z + 37*y^3*z - 16*z^2 + 9*y*z^2 + 3*y^2*z^2 - y^3*z^2 + 24*z^3 - 27*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1, 0, y]*((Pi^3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 2*z + 3*y*z - 12*y^2*z + 5*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 4*y^3*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/ (9*y^2*(-1 + y + z)^2) - (Pi*(2*y^2 - 8*y^3 + 12*y^4 - 8*y^5 + 2*y^6 + y*z - 2*y^2*z - 5*y^3*z + 16*y^4*z - 14*y^5*z + 4*y^6*z + 8*z^2 - 24*y*z^2 + 4*y^2*z^2 + 45*y^3*z^2 - 46*y^4*z^2 + 13*y^5*z^2 - 24*z^3 + 48*y*z^3 + y^2*z^3 - 43*y^3*z^3 + 6*y^4*z^3 + 24*z^4 - 28*y*z^4 - 10*y^2*z^4 + 2*y^3*z^4 - 8*z^5 + 3*y*z^5 + 5*y^2*z^5))/(3*(-1 + y)*y*z*(-1 + y + z)^2*(y + z)) + ((I/36)*(29*y^2 - 110*y^3 + 156*y^4 - 98*y^5 + 23*y^6 + 10*y*z - 2*y^2*z - 149*y^3*z + 322*y^4*z - 239*y^5*z + 58*y^6*z + 152*z^2 - 294*y*z^2 - 317*y^2*z^2 + 1395*y^3*z^2 - 1093*y^4*z^2 + 157*y^5*z^2 - 456*z^3 + 669*y*z^3 + 631*y^2*z^3 - 1324*y^3*z^3 + 84*y^4*z^3 + 456*z^4 - 496*y*z^4 - 382*y^2*z^4 + 26*y^3*z^4 - 152*z^5 + 111*y*z^5 + 41*y^2*z^5))/((-1 + y)*y*z*(-1 + y + z)^2* (y + z)) + ((I/108)*Pi^2*(-6*y^5 + 18*y^6 - 18*y^7 + 6*y^8 - 54*y^3*z + 330*y^4*z - 663*y^5*z + 564*y^6*z - 189*y^7*z + 12*y^8*z - 118*y^2*z^2 + 880*y^3*z^2 - 2133*y^4*z^2 + 2153*y^5*z^2 - 746*y^6*z^2 - 36*y^7*z^2 - 101*y*z^3 + 921*y^2*z^3 - 2767*y^3*z^3 + 3322*y^4*z^3 - 1287*y^5*z^3 - 70*y^6*z^3 - 28*z^4 + 480*y*z^4 - 2009*y^2*z^4 + 3023*y^3*z^4 - 1503*y^4*z^4 + 73*y^5*z^4 + 112*z^5 - 862*y*z^5 + 1876*y^2*z^5 - 1353*y^3*z^5 + 245*y^4*z^5 - 168*z^6 + 716*y*z^6 - 819*y^2*z^6 + 271*y^3*z^6 + 112*z^7 - 261*y*z^7 + 149*y^2*z^7 - 28*z^8 + 28*y*z^8))/((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2) + ((4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)*(9*y^3 - 15*y^4 + 6*y^5 + 9*y^2*z - 15*y^3*z - 15*y^4*z + 12*y^5*z - 9*y^2*z^2 - 21*y^3*z^2 + 30*y^4*z^2 - 28*z^3 + 87*y*z^3 - 96*y^2*z^3 + 99*y^3*z^3 + 84*z^4 - 174*y*z^4 + 96*y^2*z^4 - 84*z^5 + 87*y*z^5 + 28*z^6))/(y^2*z^2*(-1 + y + z)^2))*G[1, 0, z] + ((-2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(3*y - 12*y^2 + 9*y^3 + 6*y^4 - 6*y^5 - 6*z + 27*y*z - 66*y^2*z + 96*y^3*z - 45*y^4*z - 6*y^5*z + 12*z^2 - 18*y*z^2 - 183*y^2*z^2 + 456*y^3*z^2 - 315*y^4*z^2 + 12*y^5*z^2 + 68*z^3 - 282*y*z^3 + 747*y^2*z^3 - 624*y^3*z^3 + 12*y^4*z^3 - 272*z^4 + 639*y*z^4 - 621*y^2*z^4 + 63*y^3*z^4 + 378*z^5 - 513*y*z^5 + 135*y^2*z^5 - 236*z^6 + 144*y*z^6 + 56*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, z] + ((-4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/18)*(6*y^4 - 36*y^5 + 72*y^6 - 60*y^7 + 18*y^8 + 9*y^3*z - 84*y^4*z + 174*y^5*z - 96*y^6*z - 39*y^7*z + 36*y^8*z - 28*y^2*z^2 + 103*y^3*z^2 - 225*y^4*z^2 + 361*y^5*z^2 - 427*y^6*z^2 + 216*y^7*z^2 - 68*y*z^3 + 471*y^2*z^3 - 1273*y^3*z^3 + 1712*y^4*z^3 - 1311*y^5*z^3 + 505*y^6*z^3 - 28*z^4 + 423*y*z^4 - 1667*y^2*z^4 + 2842*y^3*z^4 - 2256*y^4*z^4 + 758*y^5*z^4 + 112*z^5 - 889*y*z^5 + 2224*y^2*z^5 - 2231*y^3*z^5 + 820*y^4*z^5 - 168*z^6 + 809*y*z^6 - 1191*y^2*z^6 + 550*y^3*z^6 + 112*z^7 - 303*y*z^7 + 191*y^2*z^7 - 28*z^8 + 28*y*z^8))/((-1 + y)*y^2*z* (-1 + y + z)^2*(y + z)^2))*G[1 - y, 0, z] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/ (3*y^2*z^2) + ((I/18)*(-3*y^3 + 15*y^4 - 13*y^5 - 38*y^6 + 87*y^7 - 65*y^8 + 17*y^9 - 3*y^3*z + 76*y^4*z - 339*y^5*z + 563*y^6*z - 370*y^7*z + 45*y^8*z + 28*y^9*z + 9*y*z^2 - 63*y^2*z^2 + 212*y^3*z^2 - 498*y^4*z^2 + 664*y^5*z^2 - 221*y^6*z^2 - 303*y^7*z^2 + 200*y^8*z^2 + 6*z^3 - 57*y*z^3 + 94*y^2*z^3 + 225*y^3*z^3 - 991*y^4*z^3 + 1542*y^5*z^3 - 1396*y^6*z^3 + 577*y^7*z^3 - 12*z^4 - 106*y*z^4 + 1113*y^2*z^4 - 3284*y^3*z^4 + 4278*y^4*z^4 - 2829*y^5*z^4 + 912*y^6*z^4 - 68*z^5 + 954*y*z^5 - 3574*y^2*z^5 + 5577*y^3*z^5 - 3819*y^4*z^5 + 1074*y^5*z^5 + 272*z^6 - 1847*y*z^6 + 4064*y^2*z^6 - 3509*y^3*z^6 + 1092*y^4*z^6 - 378*z^7 + 1543*y*z^7 - 1950*y^2*z^7 + 785*y^3*z^7 + 236*z^8 - 552*y*z^8 + 316*y^2*z^8 - 56*z^9 + 56*y*z^9))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[1 - y, 1 - y, z] - ((I/3)*(2*y^2 + y^3 + 4*y*z - 5*y^2*z + 2*y^3*z - 4*z^2 + 2*y*z^2 + 8*z^3 - 6*y*z^3 - 4*z^4)*G[1 - y, -y, z])/(y*z*(y + z)) + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-8*y^5 + 36*y^6 - 45*y^7 + 17*y^8 - 58*y^4*z + 242*y^5*z - 297*y^6*z + 76*y^7*z + 28*y^8*z - 80*y^3*z^2 + 418*y^4*z^2 - 612*y^5*z^2 + 98*y^6*z^2 + 167*y^7*z^2 - 8*y^2*z^3 + 197*y^3*z^3 - 423*y^4*z^3 - 101*y^5*z^3 + 424*y^6*z^3 + 68*y*z^4 - 280*y^2*z^4 + 414*y^3*z^4 - 631*y^4*z^4 + 641*y^5*z^4 + 10*z^5 - 329*y*z^5 + 990*y^2*z^5 - 1190*y^3*z^5 + 712*y^4*z^5 - 64*z^6 + 639*y*z^6 - 1144*y^2*z^6 + 641*y^3*z^6 + 126*z^7 - 545*y*z^7 + 424*y^2*z^7 - 100*z^8 + 167*y*z^8 + 28*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, 0, z] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/18)*(-8*y^5 + 33*y^6 - 42*y^7 + 17*y^8 - 64*y^4*z + 233*y^5*z - 273*y^6*z + 76*y^7*z + 28*y^8*z - 98*y^3*z^2 + 433*y^4*z^2 - 567*y^5*z^2 + 104*y^6*z^2 + 164*y^7*z^2 - 8*y^2*z^3 + 194*y^3*z^3 - 330*y^4*z^3 - 137*y^5*z^3 + 415*y^6*z^3 + 80*y*z^4 - 352*y^2*z^4 + 618*y^3*z^4 - 823*y^4*z^4 + 659*y^5*z^4 + 10*z^5 - 377*y*z^5 + 1197*y^2*z^5 - 1490*y^3*z^5 + 802*y^4*z^5 - 64*z^6 + 711*y*z^6 - 1342*y^2*z^6 + 758*y^3*z^6 + 126*z^7 - 593*y*z^7 + 487*y^2*z^7 - 100*z^8 + 179*y*z^8 + 28*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4))/ (3*y^2*z^2) + ((I/18)*(-19*y^4 + 19*y^5 - 13*y^3*z + 6*y^4*z + 44*y^5*z - 33*y^2*z^2 + 32*y^3*z^2 + 103*y^4*z^2 - 85*y*z^3 + 151*y^2*z^3 + 53*y^3*z^3 - 28*z^4 + 162*y*z^4 - 55*y^2*z^4 + 56*z^5 - 77*y*z^5 - 28*z^6))/(y^2*z^2*(y + z)))*G[-y, -y, z] + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 7*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)*G[0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(3*y - 2*z + 2*z^2)* G[0, 0, -y, z])/y^2 + (((2*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)* G[0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 11*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + y^3*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)* G[0, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 5*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)*G[0, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 12*y^3*z^2 - 12*y^4*z^2 + 6*y^5*z^2 - 8*z^3 + 15*y*z^3 - 6*y^2*z^3 + 2*y^3*z^3 + 6*y^4*z^3 + 32*z^4 - 63*y*z^4 + 39*y^2*z^4 - 14*y^3*z^4 - 48*z^5 + 69*y*z^5 - 24*y^2*z^5 + 32*z^6 - 24*y*z^6 - 8*z^7)*G[0, 1 - y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + y + z)*(3*y - 2*z + 2*z^2)*G[0, 1 - y, -y, z])/ y^2 + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)* G[0, -y, 0, z])/(y^2*z^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 9*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 12*z^3 + 27*y*z^3 - 18*y^2*z^3 + 3*y^3*z^3 + 6*y^4*z^3 + 48*z^4 - 99*y*z^4 + 63*y^2*z^4 - 12*y^3*z^4 - 72*z^5 + 105*y*z^5 - 36*y^2*z^5 + 48*z^6 - 36*y*z^6 - 12*z^7)*G[0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 6*y*z^2 + 4*z^3 - 4*z^4)* G[0, -y, -y, z])/(y^2*z^2) + (((8*I)/3)*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 10*z - 21*y*z + 12*y^2*z + 12*y^3*z - 40*z^2 + 81*y*z^2 - 51*y^2*z^2 + 60*z^3 - 87*y*z^3 + 30*y^2*z^3 - 40*z^4 + 30*y*z^4 + 10*z^5)*G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 0, z])/(y^2*(-1 + y + z)^2) + ((2*I)*(-2*y + 6*y^2 - 8*y^3 + 4*y^4 + z + 3*y*z - 9*y^2*z + 8*y^3*z - 4*z^2 + 3*y*z^2 + 6*z^3 - 7*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5)*G[1, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((8*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 2*z + 15*y*z - 24*y^2*z + 12*y^3*z + 8*z^2 - 27*y*z^2 + 21*y^2*z^2 - 12*z^3 + 21*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)* G[1, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, z])/y^2 + ((I/3)*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z - 3*y*z^2 + 9*y^2*z^2 - 24*y^4*z^2 + 18*y^5*z^2 + 6*z^3 - 9*y*z^3 - 14*y^3*z^3 + 18*y^4*z^3 - 24*z^4 + 45*y*z^4 - 27*y^2*z^4 + 14*y^3*z^4 + 36*z^5 - 51*y*z^5 + 18*y^2*z^5 - 24*z^6 + 18*y*z^6 + 6*z^7)*G[1 - y, 0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + y + z)* (3*y - 2*z + 2*z^2)*G[1 - y, 0, -y, z])/y^2 - ((I/3)*y*(-1 + 3*y - 3*y^2 + y^3 + z - 3*y^2*z + 2*y^3*z + 3*z^2 - 9*y*z^2 + 6*y^2*z^2 - 3*z^3 + 6*y*z^3)*G[1 - y, 1, 0, z])/ (z^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 45*y^3*z^2 - 21*y^4*z^2 + 6*y^5*z^2 - 10*z^3 - 15*y*z^3 + 60*y^2*z^3 - 33*y^3*z^3 + 6*y^4*z^3 + 40*z^4 - 45*y*z^4 + 15*y^2*z^4 - 12*y^3*z^4 - 60*z^5 + 75*y*z^5 - 30*y^2*z^5 + 40*z^6 - 30*y*z^6 - 10*z^7)*G[1 - y, 1, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 3*z^3 + 3*z^4)* G[1 - y, 1 - y, 0, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^2 + 2*y^2*z - 3*z^2)*G[1 - y, 1 - y, 1 - y, z])/ (y*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 4*z^3 + 4*z^4)*G[1 - y, -y, 1 - y, z])/ (y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)*G[1 - y, -y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 0, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, 0, -y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 0, z])/(y^2*z^2) + (I*(-1 + y + z)*G[-y, 1 - y, 1 - y, z])/y - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, 1 - y, -y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, -y, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 3*y*z^2 - 10*z^3 + 10*z^4)* G[-y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)*G[-y, -y, -y, z])/ (y^2*z^2) - ((I/3)*(-21*y + 63*y^2 - 72*y^3 + 30*y^4 + 10*z + 33*y*z - 96*y^2*z + 52*y^3*z - 40*z^2 + 27*y*z^2 + 3*y^2*z^2 + 20*y^3*z^2 + 60*z^3 - 69*y*z^3 + 30*y^2*z^3 - 40*z^4 + 30*y*z^4 + 10*z^5)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1, 1, z]*((-4*Pi^3*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(9*y^2*(-1 + y + z)^2) + ((I/108)*Pi^2*(-1 + z)^2* (3*y - 3*y^2 - 6*z + 24*y*z - 27*y^2*z + 18*z^2 - 45*y*z^2 + 18*y^2*z^2 - 2*z^3 - 48*y*z^3 + 66*y^2*z^3 - 26*z^4 + 66*y*z^4 + 16*z^5))/(y^2*z^2*(-1 + y + z)^2) + ((2*I)*(-2*y + 6*y^2 - 8*y^3 + 4*y^4 + z + 3*y*z - 9*y^2*z + 8*y^3*z - 4*z^2 + 3*y*z^2 + 6*z^3 - 7*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5)*G[0, 0, 1, y])/(y^2*(-1 + y + z)^2) - ((2*I)*(-2*y + 6*y^2 - 8*y^3 + 4*y^4 + z + 3*y*z - 9*y^2*z + 8*y^3*z - 4*z^2 + 3*y*z^2 + 6*z^3 - 7*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5)*G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) - ((2*I)*(-2*y + 6*y^2 - 8*y^3 + 4*y^4 + z + 3*y*z - 9*y^2*z + 8*y^3*z - 4*z^2 + 3*y*z^2 + 6*z^3 - 7*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5)*G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) + ((2*I)*(-2*y + 6*y^2 - 8*y^3 + 4*y^4 + z + 3*y*z - 9*y^2*z + 8*y^3*z - 4*z^2 + 3*y*z^2 + 6*z^3 - 7*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5)*G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-18*y + 54*y^2 - 72*y^3 + 36*y^4 + 11*z + 21*y*z - 75*y^2*z + 72*y^3*z - 44*z^2 + 45*y*z^2 - 12*y^2*z^2 + 66*z^3 - 81*y*z^3 + 33*y^2*z^3 - 44*z^4 + 33*y*z^4 + 11*z^5)*Zeta[3])/ (y^2*(-1 + y + z)^2)) + G[1, 1, y]* ((-2*Pi*(-1 + y + z)*(y^3 + 3*y^2*z + 8*y^3*z - 15*y*z^2 + 15*y^2*z^2 - 8*z^3 + 15*y*z^3 + 8*z^4))/(3*y*z*(y + z)^2) - (Pi^3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 6*z - 9*y*z + y^3*z - 24*z^2 + 45*y*z^2 - 27*y^2*z^2 + 8*y^3*z^2 + 36*z^3 - 51*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5))/(9*y^2*(-1 + y + z)^2) + ((I/36)*(-47*y^3 + 47*y^4 - 276*y^2*z - 41*y^3*z + 358*y^4*z + 669*y*z^2 - 1083*y^2*z^2 + 1042*y^3*z^2 + 358*z^3 - 1711*y*z^3 + 1368*y^2*z^3 - 716*z^4 + 1042*y*z^4 + 358*z^5))/(y*z*(y + z)^2) + ((I/108)*Pi^2*(-12*y^2 + 48*y^3 - 72*y^4 + 48*y^5 - 12*y^6 - 66*y*z + 495*y^2*z - 1290*y^3*z + 1560*y^4*z - 900*y^5*z + 201*y^6*z - 12*z^2 + 276*y*z^2 - 1341*y^2*z^2 + 2407*y^3*z^2 - 1835*y^4*z^2 + 505*y^5*z^2 + 42*z^3 - 426*y*z^3 + 1317*y^2*z^3 - 1573*y^3*z^3 + 707*y^4*z^3 - 67*y^5*z^3 - 60*z^4 + 330*y*z^4 - 615*y^2*z^4 + 480*y^3*z^4 - 153*y^4*z^4 + 42*z^5 - 138*y*z^5 + 150*y^2*z^5 - 54*y^3*z^5 - 12*z^6 + 24*y*z^6 - 12*y^2*z^6))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2) + ((I/2)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 13*y*z^2 + 9*y^2*z^2 + 2*y^3*z^2 - 8*z^3 + 28*y*z^3 - 9*y^2*z^3 + 16*z^4 - 15*y*z^4 - 8*z^5)*G[1 - y, 0, z])/(y^2*z*(y + z)) + ((I/6)*(y^2 - 5*y^3 + 10*y^4 - 10*y^5 + 5*y^6 - y^7 - y*z + 7*y^2*z - 51*y^3*z + 149*y^4*z - 220*y^5*z + 192*y^6*z - 100*y^7*z + 24*y^8*z - 2*z^2 + 17*y*z^2 - 90*y^2*z^2 + 261*y^3*z^2 - 412*y^4*z^2 + 384*y^5*z^2 - 214*y^6*z^2 + 56*y^7*z^2 + 8*z^3 - 71*y*z^3 + 228*y^2*z^3 - 347*y^3*z^3 + 310*y^4*z^3 - 172*y^5*z^3 + 44*y^6*z^3 - 36*z^4 + 203*y*z^4 - 390*y^2*z^4 + 345*y^3*z^4 - 140*y^4*z^4 + 24*y^5*z^4 + 80*z^5 - 304*y*z^5 + 406*y^2*z^5 - 220*y^3*z^5 + 44*y^4*z^5 - 74*z^6 + 204*y*z^6 - 186*y^2*z^6 + 56*y^3*z^6 + 24*z^7 - 48*y*z^7 + 24*y^2*z^7)*G[1 - y, -y, z])/((-1 + y)^2*y^2*z^2*(-1 + y + z)* (y + z)) + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (3*y^2*z^2) - ((I/18)*(-17*y^4 + 17*y^5 + 13*y^3*z - 51*y^4*z + 28*y^5*z + 15*y^2*z^2 - 59*y^3*z^2 + 41*y^4*z^2 - 23*y*z^3 + 29*y^2*z^3 + y^3*z^3 - 44*z^4 + 108*y*z^4 - 53*y^2*z^4 + 88*z^5 - 85*y*z^5 - 44*z^6))/(y^2*z^2*(y + z)))*G[-y, 0, z] + ((I/2)*(8*y^2 - 9*y^3 + 8*y^4 + y*z - 11*y^2*z + 3*y^3*z + 8*z^2 - 4*y*z^2 + 4*y^2*z^2 - 16*z^3 + 3*y*z^3 + 8*z^4)*G[-y, 1 - y, z])/ (y^2*z) + ((2*Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/(3*y^2*z^2) - ((I/9)*(-y^3 + y^4 - 21*y^2*z + 23*y^3*z + 8*y^4*z - 21*y*z^2 + 54*y^2*z^2 + 5*y^3*z^2 + 8*z^3 + 16*y*z^3 - 6*y^2*z^3 - 16*z^4 + 5*y*z^4 + 8*z^5))/ (y^2*z^2))*G[-y, -y, z] + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, z])/y^2 + ((I/3)*(-9 + 27*y - 33*y^2 + 15*y^3 + 27*z - 54*y*z + 41*y^2*z - 27*z^2 + 27*y*z^2 - 8*y^2*z^2 + 9*z^3)* G[0, 0, -y, z])/(y*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, z])/y^2 - (((2*I)/3)*(-6*y + 18*y^2 - 21*y^3 + 9*y^4 + 8*z - 6*y*z - 12*y^2*z + 17*y^3*z - 32*z^2 + 54*y*z^2 - 30*y^2*z^2 + 4*y^3*z^2 + 48*z^3 - 66*y*z^3 + 24*y^2*z^3 - 32*z^4 + 24*y*z^4 + 8*z^5)*G[0, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, -y, 0, z])/ (y^2*z^2) - (I*(-1 + y + z)*(3*y - 4*z + 4*z^2)*G[0, -y, 1 - y, z])/ y^2 - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)*G[0, -y, -y, z])/(y^2*z^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 0, -y, z])/ (y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 1 - y, -y, z])/ (y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 0, z])/y^2 + (((4*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 3*y*z^2 + 4*z^3 - 4*z^4)*G[1 - y, 0, -y, z])/ (y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4)* G[1 - y, 1, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)*G[1 - y, 1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 6*y*z^2 - 10*z^3 + 10*z^4)* G[1 - y, -y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 0, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 1 - y, z])/ (y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 6*y*z^2 - 2*z^3 + 2*z^4)*G[-y, 0, -y, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 0, z])/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 12*y*z^2 - 14*z^3 + 14*z^4)*G[-y, 1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, 0, z])/(y^2*z^2) + (I*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)*G[-y, -y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[-y, -y, -y, z])/(y^2*z^2) - ((I/3)*(-15*y + 45*y^2 - 45*y^3 + 15*y^4 + 14*z + 3*y*z - 48*y^2*z + 45*y^3*z - 56*z^2 + 81*y*z^2 - 39*y^2*z^2 + 84*z^3 - 111*y*z^3 + 42*y^2*z^3 - 56*z^4 + 42*y*z^4 + 14*z^5)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[0, 1 - y, z]*(((I/36)*(13*y^2 - 45*y^3 + 32*y^4 - 286*y*z + 540*y^2*z - 528*y^3*z + 49*y^4*z + 97*z^2 - 5*y*z^2 - 269*y^2*z^2 - 48*y^3*z^2 - 194*z^3 + 388*y*z^3 - 194*y^2*z^3 + 97*z^4 - 97*y*z^4))/((-1 + y)*y^2*(y + z)) - (Pi*(y^2 - 3*y^3 + 2*y^4 + 2*y*z - 6*y^2*z + y^4*z + 13*z^2 - 41*y*z^2 + 37*y^2*z^2 - 12*y^3*z^2 - 26*z^3 + 52*y*z^3 - 26*y^2*z^3 + 13*z^4 - 13*y*z^4))/(3*(-1 + y)*y^2*(y + z)) - (Pi^3*(-3*y^3 + 3*y^4 - 2*z + 6*y*z - 6*y^2*z + 11*y^3*z + 8*z^2 - 18*y*z^2 + 12*y^2*z^2 - 8*y^3*z^2 - 12*z^3 + 18*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5))/(9*y^2*(-1 + y + z)^2) + ((I/108)*Pi^2*(-15*y^4 + 93*y^5 - 222*y^6 + 258*y^7 - 147*y^8 + 33*y^9 - 27*y^3*z + 303*y^4*z - 957*y^5*z + 1248*y^6*z - 627*y^7*z - 15*y^8*z + 75*y^9*z + 253*y^2*z^2 - 1016*y^3*z^2 + 1432*y^4*z^2 - 1012*y^5*z^2 + 1049*y^6*z^2 - 1228*y^7*z^2 + 522*y^8*z^2 + 527*y*z^3 - 3635*y^2*z^3 + 9472*y^3*z^3 - 12711*y^4*z^3 + 10328*y^5*z^3 - 5506*y^6*z^3 + 1525*y^7*z^3 + 244*z^4 - 3367*y*z^4 + 13286*y^2*z^4 - 24117*y^3*z^4 + 23209*y^4*z^4 - 12056*y^5*z^4 + 2819*y^6*z^4 - 994*z^5 + 7517*y*z^5 - 19943*y^2*z^5 + 24771*y^3*z^5 - 14919*y^4*z^5 + 3604*y^5*z^5 + 1518*z^6 - 7565*y*z^6 + 13511*y^2*z^6 - 10399*y^3*z^6 + 2953*y^4*z^6 - 1030*z^7 + 3412*y*z^7 - 3734*y^2*z^7 + 1352*y^3*z^7 + 262*z^8 - 524*y*z^8 + 262*y^2*z^8))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) + ((-4*Pi*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(12*y^4 - 66*y^5 + 126*y^6 - 102*y^7 + 30*y^8 + 18*y^3*z - 183*y^4*z + 399*y^5*z - 252*y^6*z - 51*y^7*z + 69*y^8*z - 10*y^2*z^2 - 65*y^3*z^2 + 204*y^4*z^2 + 26*y^5*z^2 - 533*y^6*z^2 + 378*y^7*z^2 - 44*y*z^3 + 309*y^2*z^3 - 844*y^3*z^3 + 1336*y^4*z^3 - 1479*y^5*z^3 + 776*y^6*z^3 - 10*z^4 + 303*y*z^4 - 1388*y^2*z^4 + 2651*y^3*z^4 - 2433*y^4*z^4 + 985*y^5*z^4 + 64*z^5 - 739*y*z^5 + 2146*y^2*z^5 - 2373*y^3*z^5 + 956*y^4*z^5 - 126*z^6 + 755*y*z^6 - 1242*y^2*z^6 + 613*y^3*z^6 + 100*z^7 - 303*y*z^7 + 203*y^2*z^7 - 28*z^8 + 28*y*z^8))/((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))* G[1, 0, y] + ((I/2)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 13*y*z^2 + 9*y^2*z^2 + 2*y^3*z^2 - 8*z^3 + 28*y*z^3 - 9*y^2*z^3 + 16*z^4 - 15*y*z^4 - 8*z^5)*G[1, 1, y])/(y^2*z*(y + z)) + (I*y*(-3 + 3*y + 5*z - 2*z^2)*G[0, 0, 0, y])/(-1 + y + z)^2 + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 3*y*z^2 + 9*y^2*z^2 - 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 8*z^3 - 15*y*z^3 + 6*y^2*z^3 - 15*y^3*z^3 + 6*y^4*z^3 - 32*z^4 + 63*y*z^4 - 39*y^2*z^4 + 18*y^3*z^4 + 48*z^5 - 69*y*z^5 + 24*y^2*z^5 - 32*z^6 + 24*y*z^6 + 8*z^7)*G[0, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 12*y^3*z^2 - 12*y^4*z^2 + 6*y^5*z^2 - 10*z^3 + 21*y*z^3 - 12*y^2*z^3 + 4*y^3*z^3 + 6*y^4*z^3 + 40*z^4 - 81*y*z^4 + 51*y^2*z^4 - 16*y^3*z^4 - 60*z^5 + 87*y*z^5 - 30*y^2*z^5 + 40*z^6 - 30*y*z^6 - 10*z^7)*G[0, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 15*y^3 + 9*y^4 + 10*z - 21*y*z + 12*y^2*z + 13*y^3*z - 40*z^2 + 81*y*z^2 - 51*y^2*z^2 + 2*y^3*z^2 + 60*z^3 - 87*y*z^3 + 30*y^2*z^3 - 40*z^4 + 30*y*z^4 + 10*z^5)* G[0, 1, 1, y])/(y^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 + 7*y^3*z^3 + 6*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 10*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)*G[1, 0, 0, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 8*z^3 + 24*y*z^3 - 24*y^2*z^3 - y^3*z^3 + 6*y^4*z^3 + 32*z^4 - 72*y*z^4 + 48*y^2*z^4 - 2*y^3*z^4 - 48*z^5 + 72*y*z^5 - 24*y^2*z^5 + 32*z^6 - 24*y*z^6 - 8*z^7)*G[1, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 6*z - 9*y*z - y^3*z - 24*z^2 + 45*y*z^2 - 27*y^2*z^2 + 10*y^3*z^2 + 36*z^3 - 51*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5)*G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) + ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z - 9*y*z^2 + 27*y^2*z^2 - 24*y^3*z^2 - 6*y^4*z^2 + 12*y^5*z^2 - 4*z^3 + 39*y*z^3 - 66*y^2*z^3 + 12*y^3*z^3 + 12*y^4*z^3 + 16*z^4 - 63*y*z^4 + 51*y^2*z^4 + 12*y^3*z^4 - 24*z^5 + 45*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)* Zeta[3])/(y^2*z^2*(-1 + y + z)^2)) + G[1 - y, 0, z]* ((Pi^3*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(9*y^2*z^2) + ((I/36)*(13*y^2 - 45*y^3 + 32*y^4 - 286*y*z + 540*y^2*z - 528*y^3*z + 49*y^4*z + 97*z^2 - 5*y*z^2 - 269*y^2*z^2 - 48*y^3*z^2 - 194*z^3 + 388*y*z^3 - 194*y^2*z^3 + 97*z^4 - 97*y*z^4))/((-1 + y)*y^2*(y + z)) - (Pi*(y^2 - 3*y^3 + 2*y^4 + 2*y*z - 6*y^2*z + y^4*z + 13*z^2 - 41*y*z^2 + 37*y^2*z^2 - 12*y^3*z^2 - 26*z^3 + 52*y*z^3 - 26*y^2*z^3 + 13*z^4 - 13*y*z^4))/(3*(-1 + y)*y^2*(y + z)) + ((I/108)*Pi^2*(3*y^3 - 9*y^4 - 17*y^5 + 115*y^6 - 215*y^7 + 197*y^8 - 91*y^9 + 17*y^10 + 12*y^3*z - 88*y^4*z + 238*y^5*z - 284*y^6*z + 96*y^7*z + 104*y^8*z - 106*y^9*z + 28*y^10*z - 9*y*z^2 + 81*y^2*z^2 - 311*y^3*z^2 + 536*y^4*z^2 - 148*y^5*z^2 - 849*y^6*z^2 + 1291*y^7*z^2 - 752*y^8*z^2 + 161*y^9*z^2 - 6*z^3 + 90*y*z^3 - 206*y^2*z^3 - 243*y^3*z^3 + 2001*y^4*z^3 - 4188*y^5*z^3 + 4436*y^6*z^3 - 2443*y^7*z^3 + 559*y^8*z^3 + 30*z^4 + 245*y*z^4 - 2723*y^2*z^4 + 8764*y^3*z^4 - 14090*y^4*z^4 + 12709*y^5*z^4 - 6287*y^6*z^4 + 1352*y^7*z^4 + 202*z^5 - 3037*y*z^5 + 12533*y^2*z^5 - 23779*y^3*z^5 + 23597*y^4*z^5 - 12052*y^5*z^5 + 2518*y^6*z^5 - 988*z^6 + 7400*y*z^6 - 19676*y^2*z^6 + 24517*y^3*z^6 - 14684*y^4*z^6 + 3395*y^5*z^6 + 1542*z^7 - 7589*y*z^7 + 13451*y^2*z^7 - 10303*y^3*z^7 + 2881*y^4*z^7 - 1042*z^8 + 3424*y*z^8 - 3722*y^2*z^8 + 1340*y^3*z^8 + 262*z^9 - 524*y*z^9 + 262*y^2*z^9))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2) + (I*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, 0, y])/z^2 - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 6*z^3 + 18*y*z^3 - 18*y^2*z^3 - y^3*z^3 + 6*y^4*z^3 + 24*z^4 - 54*y*z^4 + 36*y^2*z^4 - 2*y^3*z^4 - 36*z^5 + 54*y*z^5 - 18*y^2*z^5 + 24*z^6 - 18*y*z^6 - 6*z^7)*G[0, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 5*z^3 - 15*y*z^3 + 15*y^2*z^3 - 11*y^3*z^3 + 6*y^4*z^3 - 20*z^4 + 45*y*z^4 - 30*y^2*z^4 + 8*y^3*z^4 + 30*z^5 - 45*y*z^5 + 15*y^2*z^5 - 20*z^6 + 15*y*z^6 + 5*z^7)*G[0, 1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 4*z^3 - 4*z^4)*G[0, 1, 1, y])/(y^2*z^2) - (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 2*z^3 - 6*y*z^3 + 6*y^2*z^3 - 8*y^3*z^3 + 6*y^4*z^3 - 8*z^4 + 18*y*z^4 - 12*y^2*z^4 + 5*y^3*z^4 + 12*z^5 - 18*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7)*G[1, 0, 0, y])/(y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 4*z^3 - 12*y*z^3 + 12*y^2*z^3 - 10*y^3*z^3 + 6*y^4*z^3 - 16*z^4 + 36*y*z^4 - 24*y^2*z^4 + 7*y^3*z^4 + 24*z^5 - 36*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7)*G[1, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1, 1, 0, y])/y^2 - ((I/3)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 + 6*z^3 - 18*y*z^3 + 18*y^2*z^3 - 35*y^3*z^3 + 30*y^4*z^3 - 24*z^4 + 54*y*z^4 - 36*y^2*z^4 + 20*y^3*z^4 + 36*z^5 - 54*y*z^5 + 18*y^2*z^5 - 24*z^6 + 18*y*z^6 + 6*z^7)* Zeta[3])/(y^2*z^2*(-1 + y + z)^2)) + G[1 - y, 1, z]* ((4*Pi^3*(-1 + z)*z*(-1 + y + z))/(9*y^2) + ((I/108)*Pi^2*(6*y^4 - 30*y^5 + 54*y^6 - 42*y^7 + 12*y^8 - 12*y^4*z + 30*y^5*z - 42*y^7*z + 24*y^8*z - 2*y^2*z^2 + 62*y^3*z^2 - 246*y^4*z^2 + 398*y^5*z^2 - 296*y^6*z^2 + 84*y^7*z^2 + 11*y*z^3 + 37*y^2*z^3 - 380*y^3*z^3 + 784*y^4*z^3 - 631*y^5*z^3 + 188*y^6*z^3 + 16*z^4 - 73*y*z^4 - 52*y^2*z^4 + 474*y^3*z^4 - 580*y^4*z^4 + 233*y^5*z^4 - 48*z^5 + 145*y*z^5 - 53*y^2*z^5 - 137*y^3*z^5 + 102*y^4*z^5 + 48*z^6 - 115*y*z^6 + 86*y^2*z^6 - 19*y^3*z^6 - 16*z^7 + 32*y*z^7 - 16*y^2*z^7))/ ((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 39*y^3*z^2 + 3*y^4*z^2 + 6*y^5*z^2 + 10*z^3 + 15*y*z^3 - 60*y^2*z^3 + 23*y^3*z^3 + 6*y^4*z^3 - 40*z^4 + 45*y*z^4 - 15*y^2*z^4 + 16*y^3*z^4 + 60*z^5 - 75*y*z^5 + 30*y^2*z^5 - 40*z^6 + 30*y*z^6 + 10*z^7)*G[0, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 45*y^3*z^2 - 21*y^4*z^2 + 6*y^5*z^2 - 10*z^3 - 15*y*z^3 + 60*y^2*z^3 - 33*y^3*z^3 + 6*y^4*z^3 + 40*z^4 - 45*y*z^4 + 15*y^2*z^4 - 12*y^3*z^4 - 60*z^5 + 75*y*z^5 - 30*y^2*z^5 + 40*z^6 - 30*y*z^6 - 10*z^7)*G[0, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 39*y^3*z^2 + 3*y^4*z^2 + 6*y^5*z^2 + 10*z^3 + 15*y*z^3 - 60*y^2*z^3 + 23*y^3*z^3 + 6*y^4*z^3 - 40*z^4 + 45*y*z^4 - 15*y^2*z^4 + 16*y^3*z^4 + 60*z^5 - 75*y*z^5 + 30*y^2*z^5 - 40*z^6 + 30*y*z^6 + 10*z^7)*G[1, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 45*y^3*z^2 - 21*y^4*z^2 + 6*y^5*z^2 - 10*z^3 - 15*y*z^3 + 60*y^2*z^3 - 33*y^3*z^3 + 6*y^4*z^3 + 40*z^4 - 45*y*z^4 + 15*y^2*z^4 - 12*y^3*z^4 - 60*z^5 + 75*y*z^5 - 30*y^2*z^5 + 40*z^6 - 30*y*z^6 - 10*z^7)*G[1, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 45*y*z^2 + 135*y^2*z^2 - 123*y^3*z^2 + 27*y^4*z^2 + 6*y^5*z^2 + 26*z^3 + 57*y*z^3 - 192*y^2*z^3 + 91*y^3*z^3 + 6*y^4*z^3 - 104*z^4 + 99*y*z^4 - 21*y^2*z^4 + 32*y^3*z^4 + 156*z^5 - 189*y*z^5 + 78*y^2*z^5 - 104*z^6 + 78*y*z^6 + 26*z^7)*Zeta[3])/ (y^2*z^2*(-1 + y + z)^2)) + G[1, z]*((Pi^3*(-3 + z)*(-1 + z)^2)/ (18*y*(-1 + y + z)) - ((I/360)*Pi^4*(-51*y + 153*y^2 - 204*y^3 + 102*y^4 + 4*z + 141*y*z - 294*y^2*z + 204*y^3*z - 16*z^2 - 117*y*z^2 + 129*y^2*z^2 + 24*z^3 + 15*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/(y^2*(-1 + y + z)^2) - ((I/108)*Pi^2*(-1 + z)*(-3*y^2 + 15*y^4 - 18*y^5 + 6*y^6 + 3*y*z + 9*y^2*z - 12*y^3*z + 6*y^4*z - 18*y^5*z + 12*y^6*z + 6*z^2 - 3*y*z^2 - 89*y^2*z^2 + 178*y^3*z^2 - 128*y^4*z^2 + 36*y^5*z^2 - 21*z^3 - 26*y*z^3 + 215*y^2*z^3 - 248*y^3*z^3 + 71*y^4*z^3 + 27*z^4 + 46*y*z^4 - 164*y^2*z^4 + 82*y^3*z^4 - 15*z^5 - 17*y*z^5 + 32*y^2*z^5 + 3*z^6 - 3*y*z^6))/((-1 + y)*y^2*z* (-1 + y + z)^2*(y + z)) - ((I/9)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[0, 0, y])/(y^2*(-1 + y + z)^2) + ((I/18)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 1, y])/ (y^2*(-1 + y + z)^2) - ((I/3)*Pi^2*(1 - 2*y + 2*y^2 - 2*z + 2*y*z + z^2)*G[1, 0, y])/(y*(-1 + y + z)) + ((I/18)*Pi^2*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 + 4*z + 15*y*z - 42*y^2*z + 36*y^3*z - 16*z^2 + 9*y*z^2 + 3*y^2*z^2 + 24*z^3 - 27*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 1, y])/ (y^2*(-1 + y + z)^2) + ((-2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/(3*y^2*(-1 + y + z)^2) + ((I/18)*(9*y^2 - 27*y^3 + 24*y^4 - 6*y^5 - 9*y*z + 27*y^2*z - 48*y^3*z + 45*y^4*z - 6*y^5*z + 18*z^2 - 81*y*z^2 + 297*y^2*z^2 - 444*y^3*z^2 + 225*y^4*z^2 + 12*y^5*z^2 - 56*z^3 + 222*y*z^3 - 609*y^2*z^3 + 384*y^3*z^3 + 48*y^4*z^3 + 44*z^4 - 90*y*z^4 + 174*y^2*z^4 + 135*y^3*z^4 + 24*z^5 - 117*y*z^5 + 102*y^2*z^5 - 46*z^6 + 75*y*z^6 + 16*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[0, 0, 1, y] + ((2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(3*y - 12*y^2 + 9*y^3 + 6*y^4 - 6*y^5 - 6*z + 27*y*z - 66*y^2*z + 96*y^3*z - 45*y^4*z - 6*y^5*z + 12*z^2 - 18*y*z^2 - 183*y^2*z^2 + 456*y^3*z^2 - 315*y^4*z^2 + 12*y^5*z^2 + 68*z^3 - 282*y*z^3 + 747*y^2*z^3 - 624*y^3*z^3 + 12*y^4*z^3 - 272*z^4 + 639*y*z^4 - 621*y^2*z^4 + 63*y^3*z^4 + 378*z^5 - 513*y*z^5 + 135*y^2*z^5 - 236*z^6 + 144*y*z^6 + 56*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[0, 1, 0, y] + ((2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(9*y^2 - 27*y^3 + 24*y^4 - 6*y^5 - 9*y*z + 27*y^2*z - 48*y^3*z + 45*y^4*z - 6*y^5*z + 18*z^2 - 81*y*z^2 + 297*y^2*z^2 - 444*y^3*z^2 + 225*y^4*z^2 + 12*y^5*z^2 - 56*z^3 + 222*y*z^3 - 609*y^2*z^3 + 384*y^3*z^3 + 48*y^4*z^3 + 44*z^4 - 90*y*z^4 + 174*y^2*z^4 + 135*y^3*z^4 + 24*z^5 - 117*y*z^5 + 102*y^2*z^5 - 46*z^6 + 75*y*z^6 + 16*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, 1, y] + ((-2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(3*y - 12*y^2 + 9*y^3 + 6*y^4 - 6*y^5 - 6*z + 27*y*z - 66*y^2*z + 96*y^3*z - 45*y^4*z - 6*y^5*z + 12*z^2 - 18*y*z^2 - 183*y^2*z^2 + 456*y^3*z^2 - 315*y^4*z^2 + 12*y^5*z^2 + 68*z^3 - 282*y*z^3 + 747*y^2*z^3 - 624*y^3*z^3 + 12*y^4*z^3 - 272*z^4 + 639*y*z^4 - 621*y^2*z^4 + 63*y^3*z^4 + 378*z^5 - 513*y*z^5 + 135*y^2*z^5 - 236*z^6 + 144*y*z^6 + 56*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[1, 1, 0, y] - ((I/3)*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 - 2*z + 33*y*z - 60*y^2*z + 36*y^3*z + 8*z^2 - 45*y*z^2 + 39*y^2*z^2 - 12*z^3 + 27*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[0, 0, 0, 1, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 5*z - 6*y*z - 3*y^2*z + 12*y^3*z - 20*z^2 + 36*y*z^2 - 21*y^2*z^2 + 30*z^3 - 42*y*z^3 + 15*y^2*z^3 - 20*z^4 + 15*y*z^4 + 5*z^5)*G[0, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 0, 1, 1, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 2*z + 15*y*z - 24*y^2*z + 12*y^3*z + 8*z^2 - 27*y*z^2 + 21*y^2*z^2 - 12*z^3 + 21*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[0, 1, 0, 1, y])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 8*z - 15*y*z + 6*y^2*z + 12*y^3*z - 32*z^2 + 63*y*z^2 - 39*y^2*z^2 + 48*z^3 - 69*y*z^3 + 24*y^2*z^3 - 32*z^4 + 24*y*z^4 + 8*z^5)*G[0, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 8*z - 15*y*z + 6*y^2*z + 12*y^3*z - 32*z^2 + 63*y*z^2 - 39*y^2*z^2 + 48*z^3 - 69*y*z^3 + 24*y^2*z^3 - 32*z^4 + 24*y*z^4 + 8*z^5)*G[1, 0, 0, 1, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 2*z + 15*y*z - 24*y^2*z + 12*y^3*z + 8*z^2 - 27*y*z^2 + 21*y^2*z^2 - 12*z^3 + 21*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[1, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 0, 1, 1, y])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 5*z - 6*y*z - 3*y^2*z + 12*y^3*z - 20*z^2 + 36*y*z^2 - 21*y^2*z^2 + 30*z^3 - 42*y*z^3 + 15*y^2*z^3 - 20*z^4 + 15*y*z^4 + 5*z^5)*G[1, 1, 0, 1, y])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 - 2*z + 33*y*z - 60*y^2*z + 36*y^3*z + 8*z^2 - 45*y*z^2 + 39*y^2*z^2 - 12*z^3 + 27*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[1, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + ((2*Pi*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 + 4*z + 15*y*z - 42*y^2*z + 36*y^3*z - 16*z^2 + 9*y*z^2 + 3*y^2*z^2 + 24*z^3 - 27*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(27*y^2 - 63*y^3 + 42*y^4 - 6*y^5 - 27*y*z + 99*y^2*z - 192*y^3*z + 135*y^4*z - 6*y^5*z + 54*z^2 - 234*y*z^2 + 846*y^2*z^2 - 1344*y^3*z^2 + 765*y^4*z^2 + 12*y^5*z^2 - 272*z^3 + 936*y*z^3 - 2106*y^2*z^3 + 1392*y^3*z^3 + 84*y^4*z^3 + 548*z^4 - 1134*y*z^4 + 1143*y^2*z^4 + 207*y^3*z^4 - 552*z^5 + 531*y*z^5 - 9*y^2*z^5 + 278*z^6 - 72*y*z^6 - 56*z^7))/(y^2*z^2*(-1 + y + z)^2))* Zeta[3]) + G[1 - y, z]*((Pi*(-2*y^3 + 2*y^4 - 9*y^2*z - 7*y^3*z + 25*y^4*z + 48*y*z^2 - 82*y^2*z^2 + 75*y^3*z^2 + 25*z^3 - 123*y*z^3 + 100*y^2*z^3 - 50*z^4 + 75*y*z^4 + 25*z^5))/ (3*y*z*(y + z)^2) - ((I/36)*(-50*y^3 + 50*y^4 - 339*y^2*z + 137*y^3*z + 373*y^4*z + 696*y*z^2 - 982*y^2*z^2 + 1119*y^3*z^2 + 373*z^3 - 1815*y*z^3 + 1492*y^2*z^3 - 746*z^4 + 1119*y*z^4 + 373*z^5))/(y*z*(y + z)^2) + ((I/360)*Pi^4*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z - 51*y*z^2 + 153*y^2*z^2 - 133*y^3*z^2 + 19*y^4*z^2 + 12*y^5*z^2 + 4*z^3 + 141*y*z^3 - 294*y^2*z^3 + 99*y^3*z^3 + 12*y^4*z^3 - 16*z^4 - 117*y*z^4 + 129*y^2*z^4 + 34*y^3*z^4 + 24*z^5 + 15*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7))/ (y^2*z^2*(-1 + y + z)^2) + (Pi^3*(y^3 + y^4 - 14*y^5 + 26*y^6 - 19*y^7 + 5*y^8 + 20*y^3*z - 82*y^4*z + 119*y^5*z - 65*y^6*z + y^7*z + 7*y^8*z - 3*y*z^2 + 39*y^2*z^2 - 141*y^3*z^2 + 195*y^4*z^2 - 69*y^5*z^2 - 60*y^6*z^2 + 39*y^7*z^2 + z^3 + 4*y*z^3 - 41*y^2*z^3 + 49*y^3*z^3 + 82*y^4*z^3 - 176*y^5*z^3 + 81*y^6*z^3 - 10*z^4 + 53*y*z^4 - 151*y^2*z^4 + 272*y^3*z^4 - 259*y^4*z^4 + 98*y^5*z^4 + 24*z^5 - 120*y*z^5 + 240*y^2*z^5 - 219*y^3*z^5 + 81*y^4*z^5 - 22*z^6 + 80*y*z^6 - 94*y^2*z^6 + 39*y^3*z^6 + 7*z^7 - 14*y*z^7 + 7*y^2*z^7))/(18*(-1 + y)^2*y*z* (-1 + y + z)^2*(y + z)^2) - ((I/216)*Pi^2*(6*y^4 - 33*y^5 + 75*y^6 - 90*y^7 + 60*y^8 - 21*y^9 + 3*y^10 + 6*y^3*z - 44*y^4*z + 247*y^5*z - 662*y^6*z + 848*y^7*z - 508*y^8*z + 107*y^9*z + 6*y^10*z - 18*y^2*z^2 - 6*y^3*z^2 + 1322*y^4*z^2 - 5461*y^5*z^2 + 9299*y^6*z^2 - 7883*y^7*z^2 + 3265*y^8*z^2 - 518*y^9*z^2 - 30*y*z^3 - 1056*y^2*z^3 + 7824*y^3*z^3 - 23466*y^4*z^3 + 37209*y^5*z^3 - 32502*y^6*z^3 + 14667*y^7*z^3 - 2646*y^8*z^3 - 12*z^4 - 386*y*z^4 + 7348*y^2*z^4 - 31202*y^3*z^4 + 59926*y^4*z^4 - 59765*y^5*z^4 + 30049*y^6*z^4 - 5958*y^7*z^4 + 54*z^5 + 1820*y*z^5 - 16162*y^2*z^5 + 44912*y^3*z^5 - 56956*y^4*z^5 + 34157*y^5*z^5 - 7672*y^6*z^5 - 96*z^6 - 2832*y*z^6 + 15606*y^2*z^6 - 28569*y^3*z^6 + 22155*y^4*z^6 - 5958*y^5*z^6 + 84*z^7 + 1886*y*z^7 - 6724*y^2*z^7 + 7553*y^3*z^7 - 2646*y^4*z^7 - 36*z^8 - 446*y*z^8 + 1000*y^2*z^8 - 518*y^3*z^8 + 6*z^9 - 12*y*z^9 + 6*y^2*z^9))/((-1 + y)^2*y^2*z^2* (-1 + y + z)^2*(y + z)^2) + (-1/3*(Pi*(9 - 31*y + 47*y^2 - 37*y^3 + 12*y^4 - 27*z + 73*y*z - 71* y^2*z + 25*y^3*z + 27*z^2 - 51*y*z^2 + 18*y^2*z^2 - 9*z^3 + 9* y*z^3))/((-1 + y)*z*(-1 + y + z)) + ((I/36)*(-15*y^2 + 51*y^3 - 57*y^4 + 21*y^5 + 87*y*z - 187*y^2*z + 245*y^3*z - 295*y^4*z + 150*y^5*z - 42*z^2 - 52*y*z^2 + 411*y^2*z^2 - 795*y^3*z^2 + 478*y^4*z^2 + 42*z^3 + 151*y*z^3 - 665*y^2*z^3 + 508*y^3*z^3 + 42*z^4 - 228*y*z^4 + 222*y^2*z^4 - 42*z^5 + 42*y*z^5))/((-1 + y)*z^2*(-1 + y + z)*(y + z)) + ((I/18)*Pi^2*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 6*y*z^2 + 18*y^2*z^2 - 12*y^3*z^2 - 6*y^4*z^2 + 6*y^5*z^2 + 4*z^3 + 6*y*z^3 - 24*y^2*z^3 + 4*y^3*z^3 + 6*y^4*z^3 - 16*z^4 + 18*y*z^4 - 6*y^2*z^4 + 8*y^3*z^4 + 24*z^5 - 30*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[0, 0, y] + (-1/3*(Pi*(5*y^3 - 16*y^4 + 18*y^5 - 8*y^6 + y^7 + 4*y^2*z - 3*y^3* z - 20*y^4*z + 35*y^5*z - 18*y^6*z + 2*y^7*z + 17*y*z^2 - 58* y^2*z^2 + 52*y^3*z^2 - 2*y^4*z^2 - 11*y^5*z^2 + 2*y^6*z^2 + 12*z^3 - 95*y*z^3 + 211*y^2*z^3 - 203*y^3*z^3 + 87*y^4*z^3 - 15*y^5*z^3 - 36*z^4 + 163*y*z^4 - 255*y^2*z^4 + 165*y^3*z^4 - 40*y^4*z^4 + 36*z^5 - 109*y*z^5 + 110*y^2*z^5 - 37*y^3*z^5 - 12*z^6 + 24*y*z^6 - 12*y^2*z^6))/((-1 + y)^2*y^2*z* (-1 + y + z)*(y + z)) - ((I/18)*Pi^2*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 3*y*z^2 + 9*y^2*z^2 - 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 6*z^3 - 9*y*z^3 - 11*y^3*z^3 + 6*y^4*z^3 - 24*z^4 + 45*y*z^4 - 27*y^2*z^4 + 14*y^3*z^4 + 36*z^5 - 51*y*z^5 + 18*y^2*z^5 - 24*z^6 + 18*y*z^6 + 6*z^7))/(y^2*z^2*(-1 + y + z)^2) + ((I/36)*(3*y^4 - 12*y^5 + 18*y^6 - 12*y^7 + 3*y^8 + 6*y^2*z + 17*y^3*z - 4*y^4*z - 156*y^5*z + 232*y^6*z - 101*y^7*z + 6*y^8*z - 6*y*z^2 + 79*y^2*z^2 + 210*y^3*z^2 - 1202*y^4*z^2 + 1592*y^5*z^2 - 777*y^6*z^2 + 104*y^7*z^2 - 12*z^3 + 209*y*z^3 - 328*y^2*z^3 - 890*y^3*z^3 + 2290*y^4*z^3 - 1589*y^5*z^3 + 320*y^6*z^3 + 180*z^4 - 1070*y*z^4 + 1555*y^2*z^4 - 284*y^3*z^4 - 816*y^4*z^4 + 282*y^5*z^4 - 468*z^5 + 1825*y*z^5 - 2328*y^2*z^5 + 972*y^3*z^5 - 154*y^4*z^5 + 444*z^6 - 1246*y*z^6 + 1160*y^2*z^6 - 358*y^3*z^6 - 144*z^7 + 288*y*z^7 - 144*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)* (y + z)))*G[0, 1, y] + (((-1/18*I)*Pi^2*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 12*y*z^2 - 36*y^2*z^2 + 39*y^3*z^2 - 21*y^4*z^2 + 6*y^5*z^2 - 4*z^3 - 24*y*z^3 + 60*y^2*z^3 - 39*y^3*z^3 + 6*y^4*z^3 + 16*z^4 - 12*y^2*z^4 - 24*z^5 + 24*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7))/ (y^2*z^2*(-1 + y + z)^2) - (Pi*(2*y^3 - 10*y^4 + 18*y^5 - 14*y^6 + 4*y^7 + 3*y^2*z - 36*y^3*z + 87*y^4*z - 73*y^5*z + 14*y^6*z + 5*y^7*z - 30*y^2*z^2 + 106*y^3*z^2 - 104*y^4*z^2 - 8*y^5*z^2 + 36*y^6*z^2 - 4*z^3 + 23*y*z^3 - 37*y^2*z^3 + 62*y^3*z^3 - 128*y^4*z^3 + 90*y^5*z^3 + 24*z^4 - 122*y*z^4 + 254*y^2*z^4 - 272*y^3*z^4 + 128*y^4*z^4 - 48*z^5 + 187*y*z^5 - 250*y^2*z^5 + 117*y^3*z^5 + 40*z^6 - 100*y*z^6 + 60*y^2*z^6 - 12*z^7 + 12*y*z^7))/(3*(-1 + y)*y*z*(-1 + y + z)^2*(y + z)^2) + ((I/36)*(-6*y^3 + 30*y^4 - 60*y^5 + 60*y^6 - 30*y^7 + 6*y^8 + 50*y^3*z - 202*y^4*z + 294*y^5*z - 170*y^6*z + 16*y^7*z + 12*y^8*z + 18*y*z^2 - 15*y^2*z^2 - 564*y^3*z^2 + 1479*y^4*z^2 - 1246*y^5*z^2 + 278*y^6*z^2 + 50*y^7*z^2 + 12*z^3 + 30*y*z^3 - 1017*y^2*z^3 + 3241*y^3*z^3 - 3518*y^4*z^3 + 1078*y^5*z^3 + 174*y^6*z^3 - 88*z^4 - 130*y*z^4 + 1916*y^2*z^4 - 3136*y^3*z^4 + 1090*y^4*z^4 + 384*y^5*z^4 + 312*z^5 - 608*y*z^5 + 380*y^2*z^5 - 692*y^3*z^5 + 680*y^4*z^5 - 528*z^6 + 1516*y*z^6 - 1798*y^2*z^6 + 846*y^3*z^6 + 412*z^7 - 946*y*z^7 + 534*y^2*z^7 - 120*z^8 + 120*y*z^8))/((-1 + y)*y*z^2* (-1 + y + z)^2*(y + z)^2))*G[1, 0, y] + (((-I)*(-1 + y + z)*(y^3 + 3*y^2*z + 6*y^3*z - 11*y*z^2 + 11*y^2*z^2 - 6*z^3 + 11*y*z^3 + 6*z^4))/(y*z*(y + z)^2) + ((I/18)*Pi^2*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 51*y^3*z^2 - 33*y^4*z^2 + 12*y^5*z^2 - 12*z^3 - 9*y*z^3 + 54*y^2*z^3 - 45*y^3*z^3 + 12*y^4*z^3 + 48*z^4 - 63*y*z^4 + 27*y^2*z^4 - 6*y^3*z^4 - 72*z^5 + 93*y*z^5 - 36*y^2*z^5 + 48*z^6 - 36*y*z^6 - 12*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1, y] - ((I/2)*(7 - 23*y + 33*y^2 - 25*y^3 + 8*y^4 - 21*z + 55*y*z - 51*y^2*z + 17*y^3*z + 21*z^2 - 39*y*z^2 + 12*y^2*z^2 - 7*z^3 + 7*y*z^3)*G[0, 0, 0, y])/((-1 + y)*z*(-1 + y + z)) + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 3*y*z^2 + 4*z^3 - 4*z^4))/ (3*y^2*z^2) - ((I/18)*(-9*y^3 + 53*y^4 - 122*y^5 + 138*y^6 - 77*y^7 + 17*y^8 + 8*y^3*z + 22*y^4*z - 142*y^5*z + 214*y^6*z - 130*y^7*z + 28*y^8*z - 9*y*z^2 + 99*y^2*z^2 - 270*y^3*z^2 + 197*y^4*z^2 + 137*y^5*z^2 - 226*y^6*z^2 + 72*y^7*z^2 - 18*z^3 + 74*y*z^3 - 293*y^2*z^3 + 564*y^3*z^3 - 347*y^4*z^3 - 106*y^5*z^3 + 126*y^6*z^3 - 34*z^4 + 259*y*z^4 - 511*y^2*z^4 + 506*y^3*z^4 - 363*y^4*z^4 + 116*y^5*z^4 + 210*z^5 - 880*y*z^5 + 1343*y^2*z^5 - 886*y^3*z^5 + 186*y^4*z^5 - 246*z^6 + 732*y*z^6 - 726*y^2*z^6 + 240*y^3*z^6 + 88*z^7 - 176*y*z^7 + 88*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[0, 0, 1, y] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/(3*y^2*z^2) - ((I/18)*(-3*y^3 + 15*y^4 - 13*y^5 - 38*y^6 + 87*y^7 - 65*y^8 + 17*y^9 - 3*y^3*z + 82*y^4*z - 363*y^5*z + 599*y^6*z - 394*y^7*z + 51*y^8*z + 28*y^9*z + 9*y*z^2 - 63*y^2*z^2 + 221*y^3*z^2 - 531*y^4*z^2 + 724*y^5*z^2 - 284*y^6*z^2 - 270*y^7*z^2 + 194*y^8*z^2 + 6*z^3 - 57*y*z^3 + 94*y^2*z^3 + 243*y^3*z^3 - 1063*y^4*z^3 + 1614*y^5*z^3 - 1405*y^6*z^3 + 568*y^7*z^3 - 12*z^4 - 118*y*z^4 + 1197*y^2*z^4 - 3572*y^3*z^4 + 4707*y^4*z^4 - 3087*y^5*z^4 + 957*y^6*z^4 - 68*z^5 + 1002*y*z^5 - 3838*y^2*z^5 + 6135*y^3*z^5 - 4302*y^4*z^5 + 1215*y^5*z^5 + 272*z^6 - 1919*y*z^6 + 4352*y^2*z^6 - 3878*y^3*z^6 + 1245*y^4*z^6 - 378*z^7 + 1591*y*z^7 - 2070*y^2*z^7 + 857*y^3*z^7 + 236*z^8 - 564*y*z^8 + 328*y^2*z^8 - 56*z^9 + 56*y*z^9))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)^2))* G[0, 1, 0, y] - ((I/6)*(-y^2 + 5*y^3 - 10*y^4 + 10*y^5 - 5*y^6 + y^7 + y*z - 7*y^2*z + 33*y^3*z - 74*y^4*z + 79*y^5*z - 39*y^6*z + 7*y^7*z + 2*z^2 - 17*y*z^2 + 66*y^2*z^2 - 108*y^3*z^2 + 49*y^4*z^2 + 48*y^5*z^2 - 53*y^6*z^2 + 13*y^7*z^2 - 8*z^3 + 83*y*z^3 - 222*y^2*z^3 + 191*y^3*z^3 + 8*y^4*z^3 - 80*y^5*z^3 + 28*y^6*z^3 + 36*z^4 - 239*y*z^4 + 474*y^2*z^4 - 384*y^3*z^4 + 110*y^4*z^4 - 3*y^5*z^4 - 80*z^5 + 340*y*z^5 - 496*y^2*z^5 + 292*y^3*z^5 - 62*y^4*z^5 + 74*z^6 - 216*y*z^6 + 210*y^2*z^6 - 68*y^3*z^6 - 24*z^7 + 48*y*z^7 - 24*y^2*z^7)*G[0, 1, 1, y])/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)) + ((-2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) - ((I/18)*(17*y^4 - 68*y^5 + 102*y^6 - 68*y^7 + 17*y^8 + 73*y^3*z - 357*y^4*z + 605*y^5*z - 403*y^6*z + 54*y^7*z + 28*y^8*z + 89*y^2*z^2 - 678*y^3*z^2 + 1471*y^4*z^2 - 1079*y^5*z^2 + 12*y^6*z^2 + 185*y^7*z^2 + 27*y*z^3 - 485*y^2*z^3 + 1496*y^3*z^3 - 1310*y^4*z^3 - 287*y^5*z^3 + 559*y^6*z^3 - 24*z^4 + 66*y*z^4 + 129*y^2*z^4 + 5*y^3*z^4 - 1041*y^4*z^4 + 937*y^5*z^4 + 144*z^5 - 687*y*z^5 + 1471*y^2*z^5 - 1815*y^3*z^5 + 1031*y^4*z^5 - 288*z^6 + 1140*y*z^6 - 1582*y^2*z^6 + 802*y^3*z^6 + 240*z^7 - 618*y*z^7 + 378*y^2*z^7 - 72*z^8 + 72*y*z^8))/((-1 + y)*y*z^2* (-1 + y + z)^2*(y + z)^2))*G[1, 0, 0, y] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/ (3*y^2*z^2) - ((I/18)*(-3*y^2 + 6*y^3 + 23*y^4 - 92*y^5 + 123*y^6 - 74*y^7 + 17*y^8 + 3*y*z - 21*y^2*z + 56*y^3*z - 32*y^4*z - 103*y^5*z + 193*y^6*z - 124*y^7*z + 28*y^8*z + 6*z^2 - 42*y*z^2 + 78*y^2*z^2 + 237*y^3*z^2 - 958*y^4*z^2 + 1148*y^5*z^2 - 550*y^6*z^2 + 81*y^7*z^2 - 6*z^3 + 151*y*z^3 - 313*y^2*z^3 - 174*y^3*z^3 + 740*y^4*z^3 - 425*y^5*z^3 + 27*y^6*z^3 + 70*z^4 - 625*y*z^4 + 1378*y^2*z^4 - 1293*y^3*z^4 + 602*y^4*z^4 - 150*y^5*z^4 - 234*z^5 + 1126*y*z^5 - 1853*y^2*z^5 + 1264*y^3*z^5 - 321*y^4*z^5 + 252*z^6 - 789*y*z^6 + 822*y^2*z^6 - 285*y^3*z^6 - 88*z^7 + 176*y*z^7 - 88*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[1, 0, 1, y] + ((2*Pi*(-1 + y + z)*(3*y - 4*z + 4*z^2))/(3*y^2) + ((I/18)*(-3*y^2 + 15*y^3 - 30*y^4 + 30*y^5 - 15*y^6 + 3*y^7 + 3*y*z - 18*y^2*z + 39*y^3*z - 48*y^4*z + 45*y^5*z - 30*y^6*z + 9*y^7*z + 6*z^2 - 45*y*z^2 + 93*y^2*z^2 + 108*y^3*z^2 - 534*y^4*z^2 + 585*y^5*z^2 - 237*y^6*z^2 + 24*y^7*z^2 - 12*z^3 - 26*y*z^3 + 518*y^2*z^3 - 1644*y^3*z^3 + 1883*y^4*z^3 - 812*y^5*z^3 + 93*y^6*z^3 - 68*z^4 + 622*y*z^4 - 2033*y^2*z^4 + 2762*y^3*z^4 - 1417*y^4*z^4 + 170*y^5*z^4 + 272*z^5 - 1361*y*z^5 + 2484*y^2*z^5 - 1712*y^3*z^5 + 353*y^4*z^5 - 378*z^6 + 1223*y*z^6 - 1277*y^2*z^6 + 432*y^3*z^6 + 236*z^7 - 472*y*z^7 + 236*y^2*z^7 - 56*z^8 + 56*y*z^8))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))*G[1, 1, 0, y] - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 27*y^3*z^2 - 15*y^4*z^2 + 6*y^5*z^2 + 2*z^3 - 33*y*z^3 + 60*y^2*z^3 - 27*y^3*z^3 + 6*y^4*z^3 - 8*z^4 + 45*y*z^4 - 39*y^2*z^4 + 12*z^5 - 27*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7)*G[0, 0, 0, 1, y])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-6*y + 18*y^2 - 15*y^3 + 3*y^4 + 6*z - 18*y^2*z + 5*y^3*z - 24*z^2 + 36*y*z^2 - 18*y^2*z^2 + 10*y^3*z^2 + 36*z^3 - 48*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5)*G[0, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 3*y*z^2 + 7*z^3 - 7*z^4)*G[0, 0, 1, 1, y])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[0, 1, 0, 0, y])/(y^2*z^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 6*y*z^2 + 18*y^2*z^2 - 12*y^3*z^2 - 6*y^4*z^2 + 6*y^5*z^2 - 8*z^3 + 42*y*z^3 - 60*y^2*z^3 + 14*y^3*z^3 + 6*y^4*z^3 + 32*z^4 - 90*y*z^4 + 66*y^2*z^4 - 2*y^3*z^4 - 48*z^5 + 78*y*z^5 - 24*y^2*z^5 + 32*z^6 - 24*y*z^6 - 8*z^7)*G[0, 1, 0, 1, y])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*(3*y - 9*y^2 + 6*y^3 - 12*z + 30*y*z - 27*y^2*z + 16*y^3*z + 36*z^2 - 69*y*z^2 + 36*y^2*z^2 - 36*z^3 + 36*y*z^3 + 12*z^4)*G[0, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) - (I*y*(-1 + y + z)*(1 + 2*z)*G[1, 0, 0, 0, y])/z^2 + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 9*y*z^2 + 27*y^2*z^2 - 24*y^3*z^2 + 6*y^5*z^2 + 14*z^3 - 15*y*z^3 - 12*y^2*z^3 + 6*y^3*z^3 + 6*y^4*z^3 - 56*z^4 + 99*y*z^4 - 57*y^2*z^4 + 18*y^3*z^4 + 84*z^5 - 117*y*z^5 + 42*y^2*z^5 - 56*z^6 + 42*y*z^6 + 14*z^7)*G[1, 0, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-y^2 + 3*y^3 - 3*y^4 + y^5 + y^2*z - 3*y^4*z + 2*y^5*z + 6*z^2 - 18*y*z^2 + 21*y^2*z^2 - 15*y^3*z^2 + 6*y^4*z^2 - 18*z^3 + 36*y*z^3 - 24*y^2*z^3 + 6*y^3*z^3 + 18*z^4 - 18*y*z^4 + 3*y^2*z^4 - 6*z^5)* G[1, 0, 1, 0, y])/(y*z^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 9*y*z^2 - 10*z^3 + 10*z^4)* G[1, 0, 1, 1, y])/(y^2*z^2) + (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 3*y*z^2 + 9*y^2*z^2 - 6*y^3*z^2 - 6*y^4*z^2 + 6*y^5*z^2 + 4*z^3 - 3*y*z^3 - 6*y^2*z^3 - y^3*z^3 + 6*y^4*z^3 - 16*z^4 + 27*y*z^4 - 15*y^2*z^4 + 7*y^3*z^4 + 24*z^5 - 33*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7)*G[1, 1, 0, 0, y])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 33*y^3*z^2 - 27*y^4*z^2 + 12*y^5*z^2 - 14*z^3 + 15*y*z^3 + 12*y^2*z^3 - 25*y^3*z^3 + 12*y^4*z^3 + 56*z^4 - 99*y*z^4 + 57*y^2*z^4 - 8*y^3*z^4 - 84*z^5 + 117*y*z^5 - 42*y^2*z^5 + 56*z^6 - 42*y*z^6 - 14*z^7)* G[1, 1, 0, 1, y])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(15*y - 4*z + 4*z^2)*G[1, 1, 1, 0, y])/y^2 + ((-2*Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z + 9*y*z^2 - 4*z^3 + 4*z^4))/ (3*y^2*z^2) - ((I/18)*(-27*y^4 + 142*y^5 - 298*y^6 + 312*y^7 - 163*y^8 + 34*y^9 - 27*y^3*z + 74*y^4*z + 124*y^5*z - 602*y^6*z + 727*y^7*z - 352*y^8*z + 56*y^9*z + 27*y^2*z^2 - 479*y^3*z^2 + 2378*y^4*z^2 - 4849*y^5*z^2 + 4509*y^6*z^2 - 1750*y^7*z^2 + 164*y^8*z^2 + 81*y*z^3 - 938*y^2*z^3 + 4235*y^3*z^3 - 8639*y^4*z^3 + 8037*y^5*z^3 - 2839*y^6*z^3 + 63*y^7*z^3 + 54*z^4 - 727*y*z^4 + 3508*y^2*z^4 - 7574*y^3*z^4 + 7176*y^4*z^4 - 2243*y^5*z^4 - 239*y^6*z^4 - 218*z^5 + 1595*y*z^5 - 4111*y^2*z^5 + 4214*y^3*z^5 - 1331*y^4*z^5 - 239*y^5*z^5 + 330*z^6 - 1445*y*z^6 + 2008*y^2*z^6 - 1001*y^3*z^6 + 63*y^4*z^6 - 222*z^7 + 608*y*z^7 - 550*y^2*z^7 + 164*y^3*z^7 + 56*z^8 - 112*y*z^8 + 56*y^2*z^8))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)^2))*Zeta[3]) + G[0, z]*(((-1/10*I)*Pi^4*y*(-1 + z)*z)/(-1 + y + z)^2 - (Pi*(-2*y + 2*y^2 + 25*z - 23*y*z + 25*y^2*z - 50*z^2 + 25*y*z^2 + 25*z^3))/(3*y*(-1 + y + z)) + ((I/36)*(-50*y + 50*y^2 + 373*z - 323*y*z + 373*y^2*z - 746*z^2 + 373*y*z^2 + 373*z^3))/ (y*(-1 + y + z)) - (Pi^3*(2*y^2 - 8*y^3 + 12*y^4 - 8*y^5 + 2*y^6 - y^2*z - y^3*z + 9*y^4*z - 11*y^5*z + 4*y^6*z - 4*z^2 + 24*y*z^2 - 46*y^2*z^2 + 49*y^3*z^2 - 36*y^4*z^2 + 13*y^5*z^2 + 12*z^3 - 56*y*z^3 + 85*y^2*z^3 - 53*y^3*z^3 + 12*y^4*z^3 - 12*z^4 + 40*y*z^4 - 44*y^2*z^4 + 19*y^3*z^4 + 4*z^5 - 8*y*z^5 + 4*y^2*z^5))/(18*(-1 + y)^2*y*z*(-1 + y + z)^2) + ((I/216)*Pi^2*(6*y^2 - 10*y^3 - 20*y^4 + 60*y^5 - 50*y^6 + 14*y^7 - 6*y*z + 80*y^2*z - 309*y^3*z + 467*y^4*z - 257*y^5*z - 15*y^6*z + 40*y^7*z - 12*z^2 + 560*y*z^2 - 2257*y^2*z^2 + 4204*y^3*z^2 - 4265*y^4*z^2 + 2218*y^5*z^2 - 448*y^6*z^2 + 488*z^3 - 3396*y*z^3 + 8487*y^2*z^3 - 10489*y^3*z^3 + 6490*y^4*z^3 - 1580*y^5*z^3 - 1392*z^4 + 6040*y*z^4 - 10081*y^2*z^4 + 7556*y^3*z^4 - 1970*y^4*z^4 + 1368*z^5 - 4102*y*z^5 + 4217*y^2*z^5 - 1330*y^3*z^5 - 452*z^6 + 904*y*z^6 - 452*y^2*z^6))/ ((-1 + y)^2*y*z*(-1 + y + z)^2*(y + z)) + ((((-2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (Pi*(-2*y + 6*y^2 - 6*y^3 + 2*y^4 + y*z + 2*y^2*z - 7*y^3*z + 4*y^4*z - 9*z^2 + 13*y*z^2 - 20*y^2*z^2 + 16*y^3*z^2 + 18*z^3 - 21*y*z^3 + 9*y^2*z^3 - 9*z^4 + 9*y*z^4))/(3*(-1 + y)*z* (-1 + y + z)^2) + ((I/36)*(-20*y^2 + 54*y^3 - 48*y^4 + 14*y^5 + 28*y*z - 161*y^2*z + 296*y^3*z - 203*y^4*z + 40*y^5*z + 84*z^2 - 461*y*z^2 + 759*y^2*z^2 - 516*y^3*z^2 + 134*y^4*z^2 - 210*z^3 + 583*y*z^3 - 449*y^2*z^3 + 40*y^3*z^3 + 168*z^4 - 192*y*z^4 - 12*y^2*z^4 - 42*z^5 + 42*y*z^5))/ ((-1 + y)*z*(-1 + y + z)^2*(y + z)))*G[0, 0, y] + (((I/9)*Pi^2*(-1 + z)*z*(1 - 3*y + 3*y^2 + 6*y^3 - 3*z + 6*y*z - 3*y^2*z + 3*z^2 - 3*y*z^2 - z^3))/(y^2*(-1 + y + z)^2) - (Pi*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - y^3*z + 6*y^4*z - 9*y^5*z + 4*y^6*z + 12*z^2 - 46*y*z^2 + 68*y^2*z^2 - 49*y^3*z^2 + 18*y^4*z^2 - 3*y^5*z^2 - 36*z^3 + 116*y*z^3 - 136*y^2*z^3 + 68*y^3*z^3 - 9*y^4*z^3 + 36*z^4 - 94*y*z^4 + 80*y^2*z^4 - 22*y^3*z^4 - 12*z^5 + 24*y*z^5 - 12*y^2*z^5))/ (3*(-1 + y)^2*y^2*z*(-1 + y + z)) + ((I/36)*(-6*y^3 + 4*y^4 + 24*y^5 - 36*y^6 + 14*y^7 + 18*y^2*z - 140*y^3*z + 353*y^4*z - 318*y^5*z + 47*y^6*z + 40*y^7*z + 18*y*z^2 - 106*y^2*z^2 + 271*y^3*z^2 - 406*y^4*z^2 + 171*y^5*z^2 + 52*y^6*z^2 + 138*z^3 - 664*y*z^3 + 1222*y^2*z^3 - 1196*y^3*z^3 + 665*y^4*z^3 - 12*y^5*z^3 - 414*z^4 + 1550*y*z^4 - 2114*y^2*z^4 + 1369*y^3*z^4 - 238*y^4*z^4 + 414*z^5 - 1180*y*z^5 + 1118*y^2*z^5 - 352*y^3*z^5 - 138*z^6 + 276*y*z^6 - 138*y^2*z^6))/((-1 + y)^2*y^2*z*(-1 + y + z)* (y + z)))*G[0, 1, y] + (((I/9)*Pi^2*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 3*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3))/(y^2*(-1 + y + z)^2) + (Pi*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - 3*y^2*z + 11*y^3*z - 9*y^4*z - 3*y^5*z + 4*y^6*z - 4*y^2*z^2 + 31*y^3*z^2 - 42*y^4*z^2 + 27*y^5*z^2 + 4*z^3 - 29*y*z^3 + 101*y^2*z^3 - 130*y^3*z^3 + 66*y^4*z^3 - 20*z^4 + 103*y*z^4 - 184*y^2*z^4 + 96*y^3*z^4 + 36*z^5 - 119*y*z^5 + 90*y^2*z^5 - 28*z^6 + 45*y*z^6 + 8*z^7))/(3*y*z*(-1 + y + z)^2*(y + z)^2) - ((I/36)*(20*y^3 - 74*y^4 + 102*y^5 - 62*y^6 + 14*y^7 - 21*y^2*z + 136*y^3*z - 358*y^4*z + 432*y^5*z - 229*y^6*z + 40*y^7*z + 60*y*z^2 + 91*y^2*z^2 - 1055*y^3*z^2 + 1861*y^4*z^2 - 1185*y^5*z^2 + 228*y^6*z^2 - 52*z^3 + 270*y*z^3 - 1501*y^2*z^3 + 3228*y^3*z^3 - 2605*y^4*z^3 + 516*y^5*z^3 + 236*z^4 - 1302*y*z^4 + 3203*y^2*z^4 - 3223*y^3*z^4 + 798*y^4*z^4 - 396*z^5 + 1634*y*z^5 - 2222*y^2*z^5 + 840*y^3*z^5 + 292*z^6 - 742*y*z^6 + 450*y^2*z^6 - 80*z^7 + 80*y*z^7))/((-1 + y)*y*z*(-1 + y + z)^2*(y + z)^2))* G[1, 0, y] + (((-1/9*I)*Pi^2*(-1 + z)*z*(-4 + 12*y - 12*y^2 + 7*y^3 + 12*z - 24*y*z + 12*y^2*z - 12*z^2 + 12*y*z^2 + 4*z^3))/ (y^2*(-1 + y + z)^2) + (Pi*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5))/(3*y^2*z*(y + z)) - ((I/36)*(6*y^2 + 2*y^3 - 22*y^4 + 14*y^5 - 6*y*z + 97*y^2*z - 204*y^3*z + 73*y^4*z + 40*y^5*z - 12*z^2 + 233*y*z^2 - 495*y^2*z^2 + 172*y^3*z^2 + 66*y^4*z^2 + 174*z^3 - 661*y*z^3 + 547*y^2*z^3 - 96*y^3*z^3 - 312*z^4 + 584*y*z^4 - 272*y^2*z^4 + 150*z^5 - 150*y*z^5))/((-1 + y)*y^2*z*(y + z)))*G[1, 1, y] - ((I/2)*(-2*y + 6*y^2 - 6*y^3 + 2*y^4 + y*z + 2*y^2*z - 7*y^3*z + 4*y^4*z - 7*z^2 + 11*y*z^2 - 18*y^2*z^2 + 14*y^3*z^2 + 14*z^3 - 17*y*z^3 + 9*y^2*z^3 - 7*z^4 + 7*y*z^4)*G[0, 0, 0, y])/ ((-1 + y)*z*(-1 + y + z)^2) + ((4*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2) + ((I/18)*(6*y^3 - 24*y^4 + 36*y^5 - 24*y^6 + 6*y^7 - 3*y^3*z - 3*y^4*z + 27*y^5*z - 33*y^6*z + 12*y^7*z - 72*z^2 + 351*y*z^2 - 693*y^2*z^2 + 707*y^3*z^2 - 394*y^4*z^2 + 116*y^5*z^2 - 15*y^6*z^2 + 294*z^3 - 1227*y*z^3 + 2004*y^2*z^3 - 1574*y^3*z^3 + 565*y^4*z^3 - 62*y^5*z^3 - 444*z^4 + 1527*y*z^4 - 1929*y^2*z^4 + 1053*y^3*z^4 - 198*y^4*z^4 + 294*z^5 - 795*y*z^5 + 708*y^2*z^5 - 207*y^3*z^5 - 72*z^6 + 144*y*z^6 - 72*y^2*z^6))/((-1 + y)^2*y^2*z*(-1 + y + z)^2))* G[0, 0, 1, y] + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2) + ((I/18)*(-12*y^4 + 36*y^5 - 36*y^6 + 12*y^7 - 18*y^3*z + 60*y^4*z - 42*y^5*z - 24*y^6*z + 24*y^7*z + 10*y^2*z^2 + 5*y^3*z^2 - 60*y^4*z^2 - 69*y^5*z^2 + 78*y^6*z^2 + 36*y^7*z^2 + 44*y*z^3 - 180*y^2*z^3 + 133*y^3*z^3 - 69*y^4*z^3 + 54*y^5*z^3 + 54*y^6*z^3 + 10*z^4 - 207*y*z^4 + 512*y^2*z^4 - 354*y^3*z^4 + 72*y^4*z^4 + 39*y^5*z^4 - 64*z^5 + 451*y*z^5 - 685*y^2*z^5 + 325*y^3*z^5 + 9*y^4*z^5 + 126*z^6 - 467*y*z^6 + 432*y^2*z^6 - 91*y^3*z^6 - 100*z^7 + 207*y*z^7 - 107*y^2*z^7 + 28*z^8 - 28*y*z^8))/((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))* G[0, 1, 0, y] + ((-4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/9)*(6*y^3 - 30*y^4 + 54*y^5 - 42*y^6 + 12*y^7 + 3*y^2*z - 18*y^3*z + 21*y^4*z + 24*y^5*z - 54*y^6*z + 24*y^7*z + 73*y*z^2 - 277*y^2*z^2 + 372*y^3*z^2 - 172*y^4*z^2 - 29*y^5*z^2 + 33*y^6*z^2 + 58*z^3 - 427*y*z^3 + 964*y^2*z^3 - 919*y^3*z^3 + 364*y^4*z^3 - 31*y^5*z^3 - 174*z^4 + 751*y*z^4 - 1136*y^2*z^4 + 715*y^3*z^4 - 147*y^4*z^4 + 174*z^5 - 513*y*z^5 + 504*y^2*z^5 - 165*y^3*z^5 - 58*z^6 + 116*y*z^6 - 58*y^2*z^6))/((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)))* G[0, 1, 1, y] + ((4*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2) + ((I/9)*(6*y^3 - 30*y^4 + 54*y^5 - 42*y^6 + 12*y^7 + 9*y^2*z - 54*y^3*z + 99*y^4*z - 48*y^5*z - 30*y^6*z + 24*y^7*z + 6*y^2*z^2 - 90*y^3*z^2 + 212*y^4*z^2 - 263*y^5*z^2 + 135*y^6*z^2 - 12*z^3 + 99*y*z^3 - 405*y^2*z^3 + 715*y^3*z^3 - 654*y^4*z^3 + 275*y^5*z^3 + 60*z^4 - 378*y*z^4 + 896*y^2*z^4 - 879*y^3*z^4 + 337*y^4*z^4 - 108*z^5 + 483*y*z^5 - 650*y^2*z^5 + 293*y^3*z^5 + 84*z^6 - 228*y*z^6 + 144*y^2*z^6 - 24*z^7 + 24*y*z^7))/((-1 + y)*y*z*(-1 + y + z)^2*(y + z)^2))* G[1, 0, 0, y] + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2) + ((I/18)*(12*y^3 - 48*y^4 + 72*y^5 - 48*y^6 + 12*y^7 + 6*y^2*z - 30*y^3*z + 30*y^4*z + 30*y^5*z - 60*y^6*z + 24*y^7*z + 146*y*z^2 - 703*y^2*z^2 + 1295*y^3*z^2 - 1155*y^4*z^2 + 543*y^5*z^2 - 162*y^6*z^2 + 36*y^7*z^2 + 116*z^3 - 1107*y*z^3 + 3270*y^2*z^3 - 4403*y^3*z^3 + 3024*y^4*z^3 - 1098*y^5*z^3 + 198*y^6*z^3 - 458*z^4 + 2653*y*z^4 - 5531*y^2*z^4 + 5370*y^3*z^4 - 2487*y^4*z^4 + 471*y^5*z^4 + 684*z^5 - 2819*y*z^5 + 4204*y^2*z^5 - 2687*y^3*z^5 + 636*y^4*z^5 - 458*z^6 + 1359*y*z^6 - 1344*y^2*z^6 + 443*y^3*z^6 + 116*z^7 - 232*y*z^7 + 116*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)))*G[1, 0, 1, y] + ((-4*Pi*(-1 + z)*z*(-1 + y + z))/ (3*y^2) - ((I/18)*(-6*y^4 + 18*y^5 - 18*y^6 + 6*y^7 - 9*y^3*z + 33*y^4*z - 27*y^5*z - 9*y^6*z + 12*y^7*z + 10*y^2*z^2 - 57*y^3*z^2 + 174*y^4*z^2 - 154*y^5*z^2 + 99*y^6*z^2 + 32*y*z^3 - 241*y^2*z^3 + 672*y^3*z^3 - 680*y^4*z^3 + 280*y^5*z^3 + 10*z^4 - 233*y*z^4 + 930*y^2*z^4 - 1309*y^3*z^4 + 533*y^4*z^4 - 64*z^5 + 567*y*z^5 - 1213*y^2*z^5 + 685*y^3*z^5 + 126*z^6 - 545*y*z^6 + 496*y^2*z^6 - 100*z^7 + 179*y*z^7 + 28*z^8))/(y^2*z*(-1 + y + z)^2*(y + z)^2))*G[1, 1, 0, y] + ((I/2)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 13*y*z^2 + 9*y^2*z^2 + 2*y^3*z^2 - 8*z^3 + 28*y*z^3 - 9*y^2*z^3 + 16*z^4 - 15*y*z^4 - 8*z^5)*G[1, 1, 1, y])/(y^2*z*(y + z)) - (((4*I)/3)*y*(-1 + z)*z*G[0, 0, 0, 1, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 7*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)*G[0, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 5*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)* G[0, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(1 - 3*y + 3*y^2 + y^3 - 3*z + 6*y*z - 3*y^2*z + 3*z^2 - 3*y*z^2 - z^3)*G[0, 1, 0, 0, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 8*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)* G[0, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(2 - 6*y + 6*y^2 + y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3)*G[0, 1, 1, 0, y])/ (y^2*(-1 + y + z)^2) - ((2*I)*(-1 + z)*z*(-1 + y + z)* G[0, 1, 1, 1, y])/y^2 + ((2*I)*y*(-1 + z)*z*G[1, 0, 0, 0, y])/ (-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(-3 + 9*y - 9*y^2 + y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)* G[1, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 8*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[1, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)* G[1, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 5*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[1, 1, 0, 0, y])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-4 + 12*y - 12*y^2 + 7*y^3 + 12*z - 24*y*z + 12*y^2*z - 12*z^2 + 12*y*z^2 + 4*z^3)* G[1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, 0, y])/y^2 + ((8*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2) + ((I/18)*(30*y^2 - 120*y^3 + 180*y^4 - 120*y^5 + 30*y^6 - 15*y^2*z - 15*y^3*z + 135*y^4*z - 165*y^5*z + 60*y^6*z - 36*z^2 + 144*y*z^2 - 494*y^2*z^2 + 913*y^3*z^2 - 740*y^4*z^2 + 213*y^5*z^2 + 108*z^3 - 360*y*z^3 + 749*y^2*z^3 - 877*y^3*z^3 + 380*y^4*z^3 - 108*z^4 + 288*y*z^4 - 252*y^2*z^4 + 135*y^3*z^4 + 36*z^5 - 72*y*z^5 + 36*y^2*z^5))/((-1 + y)^2*y*z* (-1 + y + z)^2))*Zeta[3] + G[1, y]* ((2*Pi^3*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/ (9*y^2*(-1 + y + z)^2) + ((I/36)*(13*y^2 - 45*y^3 + 32*y^4 - 286*y*z + 540*y^2*z - 528*y^3*z + 49*y^4*z + 97*z^2 - 5*y*z^2 - 269*y^2*z^2 - 48*y^3*z^2 - 194*z^3 + 388*y*z^3 - 194*y^2*z^3 + 97*z^4 - 97*y*z^4))/((-1 + y)*y^2*(y + z)) - (Pi*(y^2 - 3*y^3 + 2*y^4 + 2*y*z - 6*y^2*z + y^4*z + 13*z^2 - 41*y*z^2 + 37*y^2*z^2 - 12*y^3*z^2 - 26*z^3 + 52*y*z^3 - 26*y^2*z^3 + 13*z^4 - 13*y*z^4))/(3*(-1 + y)*y^2*(y + z)) + ((I/108)*Pi^2*(12*y^5 - 48*y^6 + 72*y^7 - 48*y^8 + 12*y^9 + 24*y^4*z - 102*y^5*z + 138*y^6*z - 42*y^7*z - 42*y^8*z + 24*y^9*z + 262*y^2*z^2 - 1307*y^3*z^2 + 2731*y^4*z^2 - 3152*y^5*z^2 + 2290*y^6*z^2 - 1085*y^7*z^2 + 261*y^8*z^2 + 515*y*z^3 - 3650*y^2*z^3 + 10012*y^3*z^3 - 14126*y^4*z^3 + 11251*y^5*z^3 - 5030*y^6*z^3 + 1028*y^7*z^3 + 244*z^4 - 3307*y*z^4 + 13109*y^2*z^4 - 23989*y^3*z^4 + 22949*y^4*z^4 - 11332*y^5*z^4 + 2344*y^6*z^4 - 994*z^5 + 7409*y*z^5 - 19532*y^2*z^5 + 24091*y^3*z^5 - 14270*y^4*z^5 + 3332*y^5*z^5 + 1518*z^6 - 7481*y*z^6 + 13235*y^2*z^6 - 10099*y^3*z^6 + 2845*y^4*z^6 - 1030*z^7 + 3388*y*z^7 - 3686*y^2*z^7 + 1328*y^3*z^7 + 262*z^8 - 524*y*z^8 + 262*y^2*z^8))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 10*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)*Zeta[3])/ (y^2*(-1 + y + z)^2))) + G[1, y]* (((I/360)*Pi^4*(-51*y + 153*y^2 - 177*y^3 + 75*y^4 + 4*z + 141*y*z - 294*y^2*z + 143*y^3*z - 16*z^2 - 117*y*z^2 + 129*y^2*z^2 + 34*y^3*z^2 + 24*z^3 + 15*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/(y^2*(-1 + y + z)^2) + (Pi*(-2*y^3 + 2*y^4 - 9*y^2*z - 7*y^3*z + 25*y^4*z + 48*y*z^2 - 82*y^2*z^2 + 75*y^3*z^2 + 25*z^3 - 123*y*z^3 + 100*y^2*z^3 - 50*z^4 + 75*y*z^4 + 25*z^5))/(3*y*z*(y + z)^2) - ((I/36)*(-50*y^3 + 50*y^4 - 339*y^2*z + 137*y^3*z + 373*y^4*z + 696*y*z^2 - 982*y^2*z^2 + 1119*y^3*z^2 + 373*z^3 - 1815*y*z^3 + 1492*y^2*z^3 - 746*z^4 + 1119*y*z^4 + 373*z^5))/(y*z*(y + z)^2) + (Pi^3*(-2*y^3 + 12*y^4 - 28*y^5 + 32*y^6 - 18*y^7 + 4*y^8 - 6*y^2*z + 48*y^3*z - 129*y^4*z + 151*y^5*z - 69*y^6*z - 3*y^7*z + 8*y^8*z - 6*y*z^2 + 62*y^2*z^2 - 196*y^3*z^2 + 249*y^4*z^2 - 86*y^5*z^2 - 65*y^6*z^2 + 42*y^7*z^2 + z^3 + 10*y*z^3 - 66*y^2*z^3 + 85*y^3*z^3 + 64*y^4*z^3 - 178*y^5*z^3 + 84*y^6*z^3 - 10*z^4 + 50*y*z^4 - 143*y^2*z^4 + 266*y^3*z^4 - 259*y^4*z^4 + 99*y^5*z^4 + 24*z^5 - 120*y*z^5 + 240*y^2*z^5 - 219*y^3*z^5 + 81*y^4*z^5 - 22*z^6 + 80*y*z^6 - 94*y^2*z^6 + 39*y^3*z^6 + 7*z^7 - 14*y*z^7 + 7*y^2*z^7))/(18*(-1 + y)^2*y*z*(-1 + y + z)^2* (y + z)^2) + ((I/216)*Pi^2*(-6*y^3 + 2*y^4 + 60*y^5 - 140*y^6 + 130*y^7 - 54*y^8 + 8*y^9 + 3*y^3*z - 753*y^4*z + 3531*y^5*z - 6565*y^6*z + 5994*y^7*z - 2670*y^8*z + 460*y^9*z + 18*y*z^2 + 1062*y^2*z^2 - 7301*y^3*z^2 + 21376*y^4*z^2 - 33855*y^5*z^2 + 29786*y^6*z^2 - 13504*y^7*z^2 + 2418*y^8*z^2 + 12*z^3 + 386*y*z^3 - 7102*y^2*z^3 + 29928*y^3*z^3 - 57526*y^4*z^3 + 57497*y^5*z^3 - 28847*y^6*z^3 + 5652*y^7*z^3 - 54*z^4 - 1760*y*z^4 + 15688*y^2*z^4 - 43762*y^3*z^4 + 55624*y^4*z^4 - 33347*y^5*z^4 + 7458*y^6*z^4 + 96*z^5 + 2760*y*z^5 - 15294*y^2*z^5 + 28065*y^3*z^5 - 21795*y^4*z^5 + 5862*y^5*z^5 - 84*z^6 - 1862*y*z^6 + 6652*y^2*z^6 - 7481*y^3*z^6 + 2622*y^4*z^6 + 36*z^7 + 446*y*z^7 - 1000*y^2*z^7 + 518*y^3*z^7 - 6*z^8 + 12*y*z^8 - 6*y^2*z^8))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)^2) + (((I/9)*Pi^2*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 4*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3))/ (y^2*(-1 + y + z)^2) - (Pi*z*(-12 + 25*y - 18*y^2 + 9*y^3 + 36*z - 50*y*z + 18*y^2*z - 36*z^2 + 25*y*z^2 + 12*z^3))/ (3*y^2*(-1 + y + z)) + ((I/18)*(6*y^2 - 24*y^3 + 30*y^4 - 12*y^5 + 3*y*z - 35*y^2*z + 44*y^3*z - 33*y^4*z + 21*y^5*z + 69*z^2 - 296*y*z^2 + 471*y^2*z^2 - 337*y^3*z^2 + 111*y^4*z^2 - 213*z^3 + 676*y*z^3 - 699*y^2*z^3 + 254*y^3*z^3 + 219*z^4 - 458*y*z^4 + 239*y^2*z^4 - 75*z^5 + 75*y*z^5))/ ((-1 + y)*y^2*(-1 + y + z)*(y + z)))*G[0, 0, z] + ((I/9)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 6*z - 9*y*z + 11*y^3*z - 24*z^2 + 45*y*z^2 - 27*y^2*z^2 + y^3*z^2 + 36*z^3 - 51*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5)*G[0, 1, z])/ (y^2*(-1 + y + z)^2) + (((I/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 3*y*z^2 + 10*z^3 - 10*z^4))/(y^2*z^2) + (Pi*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5))/(3*y^2*z*(y + z)) - ((I/36)*(6*y^2 + 2*y^3 - 22*y^4 + 14*y^5 - 6*y*z + 97*y^2*z - 204*y^3*z + 73*y^4*z + 40*y^5*z - 12*z^2 + 233*y*z^2 - 495*y^2*z^2 + 172*y^3*z^2 + 66*y^4*z^2 + 174*z^3 - 661*y*z^3 + 547*y^2*z^3 - 96*y^3*z^3 - 312*z^4 + 584*y*z^4 - 272*y^2*z^4 + 150*z^5 - 150*y*z^5))/((-1 + y)*y^2*z*(y + z)))* G[0, 1 - y, z] + (((I/18)*Pi^2*(y^3 - 2*y^4 + y^5 - 2*y^4*z + 2*y^5*z + 3*y*z^2 - 6*y^2*z^2 + 3*y^3*z^2 + 4*y^4*z^2 + 6*z^3 - 18*y*z^3 + 12*y^2*z^3 + 2*y^3*z^3 - 18*z^4 + 27*y*z^4 - 6*y^2*z^4 + 18*z^5 - 12*y*z^5 - 6*z^6))/ (y^2*z^2*(-1 + y + z)) - (Pi*(-11*y^3 + 43*y^4 - 75*y^5 + 77*y^6 - 46*y^7 + 12*y^8 - 13*y^2*z + 96*y^3*z - 238*y^4*z + 280*y^5*z - 165*y^6*z + 40*y^7*z + 16*y*z^2 - 21*y^2*z^2 - 86*y^3*z^2 + 211*y^4*z^2 - 154*y^5*z^2 + 34*y^6*z^2 + 12*z^3 - 98*y*z^3 + 207*y^2*z^3 - 171*y^3*z^3 + 59*y^4*z^3 - 6*y^5*z^3 - 36*z^4 + 172*y*z^4 - 281*y^2*z^4 + 190*y^3*z^4 - 42*y^4*z^4 + 36*z^5 - 114*y*z^5 + 120*y^2*z^5 - 42*y^3*z^5 - 12*z^6 + 24*y*z^6 - 12*y^2*z^6))/(3*(-1 + y)^2*y^2*z*(-1 + y + z)* (y + z)) + ((I/36)*(12*y^4 - 48*y^5 + 72*y^6 - 48*y^7 + 12*y^8 - 188*y^3*z + 646*y^4*z - 942*y^5*z + 830*y^6*z - 478*y^7*z + 132*y^8*z - 184*y^2*z^2 + 1410*y^3*z^2 - 3283*y^4*z^2 + 3508*y^5*z^2 - 1887*y^6*z^2 + 436*y^7*z^2 + 46*y*z^3 + 546*y^2*z^3 - 2603*y^3*z^3 + 3676*y^4*z^3 - 2083*y^5*z^3 + 418*y^6*z^3 + 138*z^4 - 800*y*z^4 + 1098*y^2*z^4 - 432*y^3*z^4 + 89*y^4*z^4 + 60*y^5*z^4 - 414*z^5 + 1738*y*z^5 - 2600*y^2*z^5 + 1777*y^3*z^5 - 348*y^4*z^5 + 414*z^6 - 1260*y*z^6 + 1278*y^2*z^6 - 432*y^3*z^6 - 138*z^7 + 276*y*z^7 - 138*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[0, -y, z] + ((2*Pi*(-1 + z)*z*(-1 + 3*y + z))/ (3*y*(-1 + y + z)) + (((2*I)/3)*Pi^2*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)*z*(3 - 37*y + 54*y^2 - 6*z + 37*y*z + 3*z^2))/ (y^2*(-1 + y + z)))*G[1, 0, z] - (((2*I)/9)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 1, z])/ (y^2*(-1 + y + z)^2) + ((I/18)*Pi^2*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 + 4*z + 15*y*z - 42*y^2*z + 36*y^3*z - 16*z^2 + 9*y*z^2 + 3*y^2*z^2 + 24*z^3 - 27*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((Pi*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 17*y*z^2 + 13*y^2*z^2 - 12*z^3 + 40*y*z^3 - 15*y^2*z^3 + 24*z^4 - 23*y*z^4 - 12*z^5))/(3*y^2*z*(y + z)) - ((I/36)*(6*y^2 + 2*y^3 - 22*y^4 + 14*y^5 - 6*y*z + 97*y^2*z - 204*y^3*z + 73*y^4*z + 40*y^5*z - 12*z^2 + 233*y*z^2 - 495*y^2*z^2 + 172*y^3*z^2 + 66*y^4*z^2 + 174*z^3 - 661*y*z^3 + 547*y^2*z^3 - 96*y^3*z^3 - 312*z^4 + 584*y*z^4 - 272*y^2*z^4 + 150*z^5 - 150*y*z^5))/((-1 + y)*y^2*z*(y + z)) - ((I/9)*Pi^2*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 4*z^3 - 12*y*z^3 + 12*y^2*z^3 - 10*y^3*z^3 + 6*y^4*z^3 - 16*z^4 + 36*y*z^4 - 24*y^2*z^4 + 7*y^3*z^4 + 24*z^5 - 36*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1 - y, 0, z] - ((I/18)*Pi^2*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 45*y^3*z^2 - 21*y^4*z^2 + 6*y^5*z^2 - 14*z^3 - 3*y*z^3 + 48*y^2*z^3 - 27*y^3*z^3 + 6*y^4*z^3 + 56*z^4 - 81*y*z^4 + 39*y^2*z^4 - 18*y^3*z^4 - 84*z^5 + 111*y*z^5 - 42*y^2*z^5 + 56*z^6 - 42*y*z^6 - 14*z^7)* G[1 - y, 1, z])/(y^2*z^2*(-1 + y + z)^2) + (((-I)*(-1 + y + z)*(y^3 + 3*y^2*z + 6*y^3*z - 11*y*z^2 + 11*y^2*z^2 - 6*z^3 + 11*y*z^3 + 6*z^4))/(y*z*(y + z)^2) - ((I/18)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z + 12*y*z^2 - 10*z^3 + 10*z^4))/(y^2*z^2))*G[1 - y, 1 - y, z] + (((-1/18*I)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) + (Pi*(-13*y^2 + 51*y^3 - 87*y^4 + 85*y^5 - 48*y^6 + 12*y^7 - y*z + 19*y^2*z - 60*y^3*z + 88*y^4*z - 67*y^5*z + 21*y^6*z - 12*z^2 + 47*y*z^2 - 74*y^2*z^2 + 76*y^3*z^2 - 52*y^4*z^2 + 15*y^5*z^2 + 36*z^3 - 115*y*z^3 + 134*y^2*z^3 - 67*y^3*z^3 + 15*y^4*z^3 - 36*z^4 + 93*y*z^4 - 78*y^2*z^4 + 21*y^3*z^4 + 12*z^5 - 24*y*z^5 + 12*y^2*z^5))/ (3*(-1 + y)^2*y^2*z*(-1 + y + z)) - ((I/36)*(-6*y^2 + 42*y^3 - 108*y^4 + 132*y^5 - 78*y^6 + 18*y^7 + 6*y*z - 244*y^2*z + 810*y^3*z - 1170*y^4*z + 1000*y^5*z - 546*y^6*z + 144*y^7*z + 12*z^2 - 25*y*z^2 + 10*y^2*z^2 + 141*y^3*z^2 - 98*y^4*z^2 - 214*y^5*z^2 + 174*y^6*z^2 - 180*z^3 + 518*y*z^3 - 56*y^2*z^3 - 974*y^3*z^3 + 818*y^4*z^3 - 126*y^5*z^3 + 468*z^4 - 1273*y*z^4 + 944*y^2*z^4 + 140*y^3*z^4 - 126*y^4*z^4 - 444*z^5 + 1062*y*z^5 - 792*y^2*z^5 + 174*y^3*z^5 + 144*z^6 - 288*y*z^6 + 144*y^2*z^6))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)))*G[1 - y, -y, z] + ((Pi*(-2*y^2 + 2*y^3 - 4*y*z - y^2*z + 4*y^3*z - 8*z^2 + 7*y*z^2 + 6*y^2*z^2 + 10*z^3 - 2*z^4))/(3*y*z*(y + z)) - ((I/36)*(-1 + y + z)*(14*y^3 + 103*y^2*z + 40*y^3*z + 263*y*z^2 - 22*y^2*z^2 - 6*z^3 - 56*y*z^3 + 6*z^4))/(y^2*z*(y + z)))* G[-y, 0, z] + (((-1/18*I)*Pi^2*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/(y^2*z^2) + (Pi*(10*y^2 - 13*y^3 + 12*y^4 + y*z - 15*y^2*z + 7*y^3*z + 12*z^2 - 8*y*z^2 + 8*y^2*z^2 - 24*z^3 + 7*y*z^3 + 12*z^4))/ (3*y^2*z) - ((I/36)*(6*y^2 - 39*y^3 + 81*y^4 - 69*y^5 + 21*y^6 - 6*y*z + 202*y^2*z - 612*y^3*z + 792*y^4*z - 526*y^5*z + 150*y^6*z - 12*z^2 + 85*y*z^2 - 603*y^2*z^2 + 982*y^3*z^2 - 660*y^4*z^2 + 208*y^5*z^2 + 186*z^3 - 522*y*z^3 + 622*y^2*z^3 - 244*y^3*z^3 - 6*y^4*z^3 - 486*z^4 + 963*y*z^4 - 435*y^2*z^4 - 6*y^3*z^4 + 462*z^5 - 670*y*z^5 + 208*y^2*z^5 - 150*z^6 + 150*y*z^6))/((-1 + y)*y^2*z^2*(-1 + y + z)))*G[-y, 1 - y, z] + ((Pi*(-1 + z)*(-4 + y + z)*(y + z))/(3*y*z) + ((I/18)*Pi^2*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 - 4*z^3 + 4*z^4))/(y^2*z^2) - ((I/36)*(3*y^3 - 3*y^4 - 3*y^5 + 3*y^6 + 112*y^2*z - 372*y^3*z + 396*y^4*z - 142*y^5*z + 6*y^6*z + 229*y*z^2 - 1017*y^2*z^2 + 1408*y^3*z^2 - 720*y^4*z^2 + 100*y^5*z^2 - 6*z^3 - 516*y*z^3 + 1390*y^2*z^3 - 1096*y^3*z^3 + 246*y^4*z^3 + 6*z^4 + 387*y*z^4 - 621*y^2*z^4 + 246*y^3*z^4 + 6*z^5 - 106*y*z^5 + 100*y^2*z^5 - 6*z^6 + 6*y*z^6))/ ((-1 + y)*y^2*z^2*(-1 + y + z)))*G[-y, -y, z] - ((I/2)*z*(-8 + 17*y - 12*y^2 + 7*y^3 + 24*z - 34*y*z + 12*y^2*z - 24*z^2 + 17*y*z^2 + 8*z^3)*G[0, 0, 0, z])/(y^2*(-1 + y + z)) + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/9)*(6*y^3 - 12*y^4 + 6*y^5 + 3*y^2*z - 6*y^3*z - 9*y^4*z + 12*y^5*z + 73*y*z^2 - 140*y^2*z^2 + 58*y^3*z^2 + 3*y^4*z^2 + 58*z^3 - 320*y*z^3 + 320*y^2*z^3 - 76*y^3*z^3 - 174*z^4 + 421*y*z^4 - 183*y^2*z^4 + 174*z^5 - 174*y*z^5 - 58*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[0, 0, 1 - y, z] + ((2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 14*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 - 2*y^3*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(87*y^3 - 432*y^4 + 930*y^5 - 1140*y^6 + 855*y^7 - 372*y^8 + 72*y^9 + 156*y^2*z - 1197*y^3*z + 3417*y^4*z - 4893*y^5*z + 3807*y^6*z - 1554*y^7*z + 264*y^8*z + 97*y*z^2 - 1061*y^2*z^2 + 4012*y^3*z^2 - 7058*y^4*z^2 + 6223*y^5*z^2 - 2597*y^6*z^2 + 384*y^7*z^2 + 100*z^3 - 846*y*z^3 + 3165*y^2*z^3 - 6030*y^3*z^3 + 5820*y^4*z^3 - 2490*y^5*z^3 + 281*y^6*z^3 - 406*z^4 + 2180*y*z^4 - 4711*y^2*z^4 + 4925*y^3*z^4 - 2317*y^4*z^4 + 311*y^5*z^4 + 612*z^5 - 2392*y*z^5 + 3437*y^2*z^5 - 2146*y^3*z^5 + 471*y^4*z^5 - 406*z^6 + 1161*y*z^6 - 1104*y^2*z^6 + 349*y^3*z^6 + 100*z^7 - 200*y*z^7 + 100*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)))* G[0, 0, -y, z] + (((2*I)/3)*(-1 + z)*z*(-1 + 3*y + z)* G[0, 1, 0, z])/(y*(-1 + y + z)) + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/9)*(6*y^3 - 12*y^4 + 6*y^5 + 3*y^2*z - 6*y^3*z - 9*y^4*z + 12*y^5*z + 73*y*z^2 - 140*y^2*z^2 + 58*y^3*z^2 + 3*y^4*z^2 + 58*z^3 - 320*y*z^3 + 320*y^2*z^3 - 76*y^3*z^3 - 174*z^4 + 421*y*z^4 - 183*y^2*z^4 + 174*z^5 - 174*y*z^5 - 58*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[0, 1 - y, 0, z] + ((I/2)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 13*y*z^2 + 9*y^2*z^2 + 2*y^3*z^2 - 8*z^3 + 28*y*z^3 - 9*y^2*z^3 + 16*z^4 - 15*y*z^4 - 8*z^5)*G[0, 1 - y, 1 - y, z])/(y^2*z*(y + z)) + ((-2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(75*y^3 - 372*y^4 + 810*y^5 - 1020*y^6 + 795*y^7 - 360*y^8 + 72*y^9 + 150*y^2*z - 1200*y^3*z + 3504*y^4*z - 5091*y^5*z + 3999*y^6*z - 1641*y^7*z + 279*y^8*z - 121*y*z^2 - 31*y^2*z^2 + 2189*y^3*z^2 - 5538*y^4*z^2 + 5571*y^5*z^2 - 2403*y^6*z^2 + 333*y^7*z^2 - 88*z^3 + 927*y*z^3 - 2088*y^2*z^3 + 1159*y^3*z^3 + 723*y^4*z^3 - 588*y^5*z^3 - 45*y^6*z^3 + 346*z^4 - 2207*y*z^4 + 4591*y^2*z^4 - 4332*y^3*z^4 + 2079*y^4*z^4 - 495*y^5*z^4 - 516*z^5 + 2311*y*z^5 - 3686*y^2*z^5 + 2503*y^3*z^5 - 630*y^4*z^5 + 346*z^6 - 1086*y*z^6 + 1134*y^2*z^6 - 394*y^3*z^6 - 88*z^7 + 176*y*z^7 - 88*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)))* G[0, 1 - y, -y, z] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/18)*(-18*y^3 + 18*y^4 - 27*y^2*z - 9*y^3*z + 36*y^4*z - 107*y*z^2 + 89*y^2*z^2 + 54*y^3*z^2 - 44*z^3 + 204*y*z^3 - 35*y^2*z^3 + 88*z^4 - 97*y*z^4 - 44*z^5))/(y^2*z*(y + z)))* G[0, -y, 0, z] + ((-2*Pi*(-1 + y + z)*(3*y - 4*z + 4*z^2))/ (3*y^2) - ((I/18)*(-66*y^3 + 249*y^4 - 423*y^5 + 435*y^6 - 267*y^7 + 72*y^8 - 141*y^2*z + 873*y^3*z - 1941*y^4*z + 2076*y^5*z - 1116*y^6*z + 249*y^7*z + 121*y*z^2 - 55*y^2*z^2 - 933*y^3*z^2 + 1805*y^4*z^2 - 1160*y^5*z^2 + 222*y^6*z^2 + 88*z^3 - 727*y*z^3 + 1480*y^2*z^3 - 1165*y^3*z^3 + 394*y^4*z^3 - 52*y^5*z^3 - 264*z^4 + 1267*y*z^4 - 2078*y^2*z^4 + 1411*y^3*z^4 - 318*y^4*z^4 + 264*z^5 - 837*y*z^5 + 882*y^2*z^5 - 309*y^3*z^5 - 88*z^6 + 176*y*z^6 - 88*y^2*z^6))/((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)))* G[0, -y, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(3*y - 4*z + 4*z^2))/ (3*y^2) - ((I/18)*(6*y^3 - 39*y^4 + 81*y^5 - 69*y^6 + 21*y^7 - 42*y^2*z + 279*y^3*z - 618*y^4*z + 618*y^5*z - 288*y^6*z + 51*y^7*z + 58*y*z^2 - 55*y^2*z^2 - 357*y^3*z^2 + 743*y^4*z^2 - 485*y^5*z^2 + 96*y^6*z^2 + 16*z^3 - 241*y*z^3 + 544*y^2*z^3 - 436*y^3*z^3 + 124*y^4*z^3 + 2*y^5*z^3 - 48*z^4 + 340*y*z^4 - 665*y^2*z^4 + 502*y^3*z^4 - 120*y^4*z^4 + 48*z^5 - 189*y*z^5 + 234*y^2*z^5 - 93*y^3*z^5 - 16*z^6 + 32*y*z^6 - 16*y^2*z^6))/ ((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)))*G[0, -y, -y, z] + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)*z*(-44 + 135*y - 153*y^2 + 90*y^3 + 132*z - 270*y*z + 153*y^2*z - 132*z^2 + 135*y*z^2 + 44*z^3))/(y^2*(-1 + y + z)^2))*G[1, 0, 0, z] + ((I/6)*(-1 + z)*(y - 3*y^3 + 2*y^4 - 2*z + 6*y*z - 5*y^2*z - 3*y^3*z + 4*y^4*z + 6*z^2 - 14*y*z^2 + 2*y^2*z^2 + 6*y^3*z^2 - 6*z^3 + 2*y*z^3 + 15*y^2*z^3 + 2*z^4 + 5*y*z^4)* G[1, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)) + ((2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(9*y^2 - 27*y^3 + 24*y^4 - 6*y^5 - 9*y*z + 27*y^2*z - 48*y^3*z + 45*y^4*z - 6*y^5*z + 18*z^2 - 81*y*z^2 + 297*y^2*z^2 - 444*y^3*z^2 + 225*y^4*z^2 + 12*y^5*z^2 - 56*z^3 + 222*y*z^3 - 609*y^2*z^3 + 384*y^3*z^3 + 48*y^4*z^3 + 44*z^4 - 90*y*z^4 + 174*y^2*z^4 + 135*y^3*z^4 + 24*z^5 - 117*y*z^5 + 102*y^2*z^5 - 46*z^6 + 75*y*z^6 + 16*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, -y, z] + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)*z*(-44 + 117*y - 81*y^2 + 36*y^3 + 132*z - 234*y*z + 81*y^2*z - 132*z^2 + 117*y*z^2 + 44*z^3))/(y^2*(-1 + y + z)^2))*G[1, 1, 0, z] + ((I/6)*(-1 + z)*(y - 3*y^3 + 2*y^4 - 2*z + 6*y*z - 5*y^2*z - 3*y^3*z + 4*y^4*z + 6*z^2 - 14*y*z^2 + 2*y^2*z^2 + 6*y^3*z^2 - 6*z^3 + 2*y*z^3 + 15*y^2*z^3 + 2*z^4 + 5*y*z^4)* G[1, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)) + ((2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(9*y^2 - 27*y^3 + 24*y^4 - 6*y^5 - 9*y*z + 27*y^2*z - 48*y^3*z + 45*y^4*z - 6*y^5*z + 18*z^2 - 81*y*z^2 + 297*y^2*z^2 - 444*y^3*z^2 + 225*y^4*z^2 + 12*y^5*z^2 - 56*z^3 + 222*y*z^3 - 609*y^2*z^3 + 384*y^3*z^3 + 48*y^4*z^3 + 44*z^4 - 90*y*z^4 + 174*y^2*z^4 + 135*y^3*z^4 + 24*z^5 - 117*y*z^5 + 102*y^2*z^5 - 46*z^6 + 75*y*z^6 + 16*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, -y, z] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/9)*(6*y^3 - 12*y^4 + 6*y^5 + 3*y^2*z - 6*y^3*z - 9*y^4*z + 12*y^5*z + 73*y*z^2 - 140*y^2*z^2 + 58*y^3*z^2 + 3*y^4*z^2 + 58*z^3 - 320*y*z^3 + 320*y^2*z^3 - 76*y^3*z^3 - 174*z^4 + 421*y*z^4 - 183*y^2*z^4 + 174*z^5 - 174*y*z^5 - 58*z^6))/ (y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 0, 0, z] + ((I/2)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 13*y*z^2 + 9*y^2*z^2 + 2*y^3*z^2 - 8*z^3 + 28*y*z^3 - 9*y^2*z^3 + 16*z^4 - 15*y*z^4 - 8*z^5)*G[1 - y, 0, 1 - y, z])/(y^2*z*(y + z)) + ((2*Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 + 4*z^3 - 4*z^4))/ (3*y^2*z^2) - ((I/18)*(9*y^3 - 34*y^4 + 46*y^5 - 24*y^6 + y^7 + 2*y^8 - 55*y^3*z + 175*y^4*z - 283*y^5*z + 349*y^6*z - 274*y^7*z + 88*y^8*z + 9*y*z^2 - 186*y^2*z^2 + 879*y^3*z^2 - 1783*y^4*z^2 + 1910*y^5*z^2 - 1111*y^6*z^2 + 282*y^7*z^2 + 18*z^3 - 23*y*z^3 + 329*y^2*z^3 - 1356*y^3*z^3 + 2009*y^4*z^3 - 1205*y^5*z^3 + 228*y^6*z^3 + 34*z^4 - 415*y*z^4 + 853*y^2*z^4 - 597*y^3*z^4 + 179*y^4*z^4 - 36*y^5*z^4 - 210*z^5 + 1039*y*z^5 - 1742*y^2*z^5 + 1207*y^3*z^5 - 276*y^4*z^5 + 246*z^6 - 786*y*z^6 + 834*y^2*z^6 - 294*y^3*z^6 - 88*z^7 + 176*y*z^7 - 88*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[1 - y, 0, -y, z] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) - ((I/18)*z*(-44 + 79*y - 8*y^2 + 9*y^3 + 132*z - 158*y*z + 8*y^2*z - 132*z^2 + 79*y*z^2 + 44*z^3))/(y^2*(-1 + y + z)))* G[1 - y, 1, 0, z] + ((I/2)*(-2*y^3 + 2*y^4 - y^2*z - y^3*z + 4*y^4*z - 13*y*z^2 + 9*y^2*z^2 + 2*y^3*z^2 - 8*z^3 + 28*y*z^3 - 9*y^2*z^3 + 16*z^4 - 15*y*z^4 - 8*z^5)*G[1 - y, 1 - y, 0, z])/ (y^2*z*(y + z)) + ((-2*Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/(3*y^2*z^2) + ((I/18)*(3*y^2 - 6*y^3 - 4*y^4 + 16*y^5 - 9*y^6 - 2*y^7 + 2*y^8 - 3*y*z + 21*y^2*z - 118*y^3*z + 277*y^4*z - 376*y^5*z + 394*y^6*z - 283*y^7*z + 88*y^8*z - 6*z^2 + 42*y*z^2 - 177*y^2*z^2 + 381*y^3*z^2 - 550*y^4*z^2 + 740*y^5*z^2 - 679*y^6*z^2 + 249*y^7*z^2 + 6*z^3 - 115*y*z^3 + 394*y^2*z^3 - 588*y^3*z^3 + 754*y^4*z^3 - 727*y^5*z^3 + 276*y^6*z^3 - 70*z^4 + 517*y*z^4 - 1171*y^2*z^4 + 1337*y^3*z^4 - 825*y^4*z^4 + 230*y^5*z^4 + 234*z^5 - 1018*y*z^5 + 1592*y^2*z^5 - 1066*y^3*z^5 + 276*y^4*z^5 - 252*z^6 + 753*y*z^6 - 750*y^2*z^6 + 249*y^3*z^6 + 88*z^7 - 176*y*z^7 + 88*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)* (y + z)))*G[1 - y, 1 - y, -y, z] + ((I/3)*(-2*y^2 + 2*y^3 - 4*y*z - y^2*z + 4*y^3*z - 8*z^2 + 7*y*z^2 + 6*y^2*z^2 + 10*z^3 - 2*z^4)*G[1 - y, -y, 0, z])/(y*z*(y + z)) + ((I/6)*(y^2 - 5*y^3 + 10*y^4 - 10*y^5 + 5*y^6 - y^7 - y*z + 7*y^2*z - 51*y^3*z + 149*y^4*z - 220*y^5*z + 192*y^6*z - 100*y^7*z + 24*y^8*z - 2*z^2 + 17*y*z^2 - 90*y^2*z^2 + 261*y^3*z^2 - 412*y^4*z^2 + 384*y^5*z^2 - 214*y^6*z^2 + 56*y^7*z^2 + 8*z^3 - 71*y*z^3 + 228*y^2*z^3 - 347*y^3*z^3 + 310*y^4*z^3 - 172*y^5*z^3 + 44*y^6*z^3 - 36*z^4 + 203*y*z^4 - 390*y^2*z^4 + 345*y^3*z^4 - 140*y^4*z^4 + 24*y^5*z^4 + 80*z^5 - 304*y*z^5 + 406*y^2*z^5 - 220*y^3*z^5 + 44*y^4*z^5 - 74*z^6 + 204*y*z^6 - 186*y^2*z^6 + 56*y^3*z^6 + 24*z^7 - 48*y*z^7 + 24*y^2*z^7)*G[1 - y, -y, 1 - y, z])/((-1 + y)^2*y^2*z^2* (-1 + y + z)*(y + z)) - ((I/6)*(12*y - 37*y^2 + 39*y^3 - 15*y^4 + y^5 + 9*z - 36*y*z + 40*y^2*z - 6*y^3*z - 9*y^4*z + 2*y^5*z - 16*z^2 + 29*y*z^2 - 4*y^2*z^2 - 15*y^3*z^2 + 6*y^4*z^2 + 5*z^3 - y*z^3 - 13*y^2*z^3 + 6*y^3*z^3 + 2*z^4 - 4*y*z^4 + 2*y^2*z^4)* G[1 - y, -y, -y, z])/((-1 + y)^2*y*z*(-1 + y + z)) + ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 - 8*y^2*z + 22*y^3*z - 12*y^4*z - 10*y^5*z + 8*y^6*z - 16*y*z^2 + 63*y^2*z^2 - 49*y^3*z^2 - 29*y^4*z^2 + 25*y^5*z^2 + 51*y*z^3 - 106*y^2*z^3 + 15*y^3*z^3 + 26*y^4*z^3 - 2*z^4 - 53*y*z^4 + 55*y^2*z^4 + 4*y^3*z^4 + 4*z^5 + 23*y*z^5 - 10*y^2*z^5 - 2*z^6 - 5*y*z^6)* G[-y, 0, 0, z])/(y^2*z*(-1 + y + z)^2*(y + z)) + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-17*y^4 + 17*y^5 + 13*y^3*z - 51*y^4*z + 28*y^5*z + 15*y^2*z^2 - 59*y^3*z^2 + 41*y^4*z^2 - 23*y*z^3 + 29*y^2*z^3 + y^3*z^3 - 44*z^4 + 108*y*z^4 - 53*y^2*z^4 + 88*z^5 - 85*y*z^5 - 44*z^6))/(y^2*z^2*(y + z)))*G[-y, 0, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4))/ (3*y^2*z^2) + ((I/18)*(-19*y^4 + 60*y^5 - 60*y^6 + 19*y^7 - 13*y^3*z + 67*y^4*z - 42*y^5*z - 65*y^6*z + 44*y^7*z - 33*y^2*z^2 + 190*y^3*z^2 - 201*y^4*z^2 - 144*y^5*z^2 + 152*y^6*z^2 - 13*y*z^3 + 204*y^2*z^3 - 507*y^3*z^3 + 137*y^4*z^3 + 198*y^5*z^3 - 28*z^4 + 139*y*z^4 - 459*y^2*z^4 + 434*y^3*z^4 + 88*y^4*z^4 + 118*z^5 - 351*y*z^5 + 438*y^2*z^5 - 68*y^3*z^5 - 180*z^6 + 319*y*z^6 - 132*y^2*z^6 + 118*z^7 - 94*y*z^7 - 28*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))* G[-y, 0, -y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-17*y^4 + 17*y^5 + 13*y^3*z - 51*y^4*z + 28*y^5*z + 15*y^2*z^2 - 59*y^3*z^2 + 41*y^4*z^2 - 23*y*z^3 + 29*y^2*z^3 + y^3*z^3 - 44*z^4 + 108*y*z^4 - 53*y^2*z^4 + 88*z^5 - 85*y*z^5 - 44*z^6))/(y^2*z^2*(y + z)))* G[-y, 1 - y, 0, z] + ((I/2)*(8*y^2 - 9*y^3 + 8*y^4 + y*z - 11*y^2*z + 3*y^3*z + 8*z^2 - 4*y*z^2 + 4*y^2*z^2 - 16*z^3 + 3*y*z^3 + 8*z^4)*G[-y, 1 - y, 1 - y, z])/(y^2*z) + ((2*Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/ (3*y^2*z^2) - ((I/18)*(-2*y^3 + 3*y^4 - 3*y^5 + 2*y^6 - 42*y^2*z + 122*y^3*z - 108*y^4*z + 21*y^5*z + 16*y^6*z - 42*y*z^2 + 240*y^2*z^2 - 312*y^3*z^2 + 78*y^4*z^2 + 63*y^5*z^2 + 16*z^3 + 63*y*z^3 - 246*y^2*z^3 + 88*y^3*z^3 + 108*y^4*z^3 - 58*z^4 + 45*y*z^4 - 42*y^2*z^4 + 122*y^3*z^4 + 84*z^5 - 129*y*z^5 + 108*y^2*z^5 - 58*z^6 + 63*y*z^6 + 16*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[-y, 1 - y, -y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-17*y^4 + 17*y^5 - 5*y^3*z - 33*y^4*z + 28*y^5*z - 21*y^2*z^2 - 68*y^3*z^2 + 77*y^4*z^2 - 95*y*z^3 + 92*y^2*z^3 + 55*y^3*z^3 - 44*z^4 + 198*y*z^4 - 53*y^2*z^4 + 88*z^5 - 103*y*z^5 - 44*z^6))/(y^2*z^2*(y + z)))*G[-y, -y, 0, z] + ((2*Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/ (3*y^2*z^2) - ((I/9)*(-y^3 + y^4 - 21*y^2*z + 23*y^3*z + 8*y^4*z - 21*y*z^2 + 54*y^2*z^2 + 5*y^3*z^2 + 8*z^3 + 16*y*z^3 - 6*y^2*z^3 - 16*z^4 + 5*y*z^4 + 8*z^5))/(y^2*z^2))* G[-y, -y, 1 - y, z] + ((2*Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4))/(3*y^2*z^2) - ((I/18)*(-2*y^3 + 9*y^4 - 9*y^5 + 2*y^6 - 6*y^2*z + 65*y^3*z - 90*y^4*z + 6*y^5*z + 16*y^6*z - 6*y*z^2 + 114*y^2*z^2 - 297*y^3*z^2 + 132*y^4*z^2 + 30*y^5*z^2 + 16*z^3 - 12*y*z^3 - 234*y^2*z^3 + 292*y^3*z^3 - 24*y^4*z^3 - 70*z^4 + 90*y*z^4 + 132*y^2*z^4 - 76*y^3*z^4 + 108*z^5 - 102*y*z^5 - 24*y^2*z^5 - 70*z^6 + 30*y*z^6 + 16*z^7))/(y^2*z^2*(-1 + y + z)^2))* G[-y, -y, -y, z] + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 0, 1 - y, z])/y^2 - (I*(3*y - 6*y^2 + 6*y^3 - 2*z - 2*y*z + 4*y^2*z + 6*z^2 - 5*y*z^2 + 2*y^2*z^2 - 6*z^3 + 4*y*z^3 + 2*z^4)*G[0, 0, 0, -y, z])/(y^2*(-1 + y + z)) + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 1 - y, z])/y^2 + ((3*I)*(1 - 2*y + 2*y^2 - 2*z + 2*y*z + z^2)*G[0, 0, 1 - y, -y, z])/ (y*(-1 + y + z)) + (((8*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, -y, 0, z])/y^2 + ((I/3)*(-9 + 27*y - 33*y^2 + 15*y^3 + 27*z - 54*y*z + 41*y^2*z - 27*z^2 + 27*y*z^2 - 8*y^2*z^2 + 9*z^3)* G[0, 0, -y, 1 - y, z])/(y*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 6*z + 27*y*z - 36*y^2*z + 17*y^3*z + 24*z^2 - 63*y*z^2 + 45*y^2*z^2 - 8*y^3*z^2 - 36*z^3 + 57*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)* G[0, 0, -y, -y, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, 1 - y, z])/y^2 + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 3*z - 9*y^2*z + 13*y^3*z - 12*z^2 + 18*y*z^2 - 9*y^2*z^2 - y^3*z^2 + 18*z^3 - 24*y*z^3 + 9*y^2*z^3 - 12*z^4 + 9*y*z^4 + 3*z^5)* G[0, 1, 0, -y, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1 - y, 0, z])/y^2 + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 3*z - 9*y^2*z + 13*y^3*z - 12*z^2 + 18*y*z^2 - 9*y^2*z^2 - y^3*z^2 + 18*z^3 - 24*y*z^3 + 9*y^2*z^3 - 12*z^4 + 9*y*z^4 + 3*z^5)* G[0, 1, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 1 - y, z])/y^2 - ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 33*y^3*z^2 - 33*y^4*z^2 + 12*y^5*z^2 + 2*z^3 - 24*y*z^3 + 42*y^2*z^3 - 49*y^3*z^3 + 12*y^4*z^3 - 8*z^4 + 36*y*z^4 - 30*y^2*z^4 + 16*y^3*z^4 + 12*z^5 - 24*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7)* G[0, 1 - y, 0, -y, z])/(y^2*z^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 0, z])/y^2 + ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 42*y^3*z^2 - 36*y^4*z^2 + 12*y^5*z^2 - 14*z^3 + 15*y*z^3 + 12*y^2*z^3 - 42*y^3*z^3 + 12*y^4*z^3 + 56*z^4 - 99*y*z^4 + 57*y^2*z^4 - 84*z^5 + 117*y*z^5 - 42*y^2*z^5 + 56*z^6 - 42*y*z^6 - 14*z^7)* G[0, 1 - y, 1 - y, -y, z])/(y^2*z^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, -y, 0, z])/y^2 - (((2*I)/3)*(-6*y + 18*y^2 - 21*y^3 + 9*y^4 + 8*z - 6*y*z - 12*y^2*z + 17*y^3*z - 32*z^2 + 54*y*z^2 - 30*y^2*z^2 + 4*y^3*z^2 + 48*z^3 - 66*y*z^3 + 24*y^2*z^3 - 32*z^4 + 24*y*z^4 + 8*z^5)*G[0, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 + 10*z - 3*y*z - 24*y^2*z + 19*y^3*z - 40*z^2 + 63*y*z^2 - 33*y^2*z^2 + 8*y^3*z^2 + 60*z^3 - 81*y*z^3 + 30*y^2*z^3 - 40*z^4 + 30*y*z^4 + 10*z^5)* G[0, 1 - y, -y, -y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[0, -y, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, -y, 0, 1 - y, z])/(y^2*z^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 6*y^4*z^2 + 6*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 + 6*y^3*z^3 + 6*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 6*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)*G[0, -y, 0, -y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, -y, 1 - y, 0, z])/(y^2*z^2) - (I*(-1 + y + z)*(3*y - 4*z + 4*z^2)*G[0, -y, 1 - y, 1 - y, z])/y^2 - ((I/3)*(2*y^3 - 4*y^4 + 2*y^5 - 4*y^4*z + 4*y^5*z + 3*y*z^2 - 6*y^2*z^2 - 6*y^3*z^2 + 8*y^4*z^2 - 4*z^3 + 2*y*z^3 + 2*y^2*z^3 + 4*y^3*z^3 + 12*z^4 - 13*y*z^4 + 4*y^2*z^4 - 12*z^5 + 8*y*z^5 + 4*z^6)*G[0, -y, 1 - y, -y, z])/(y^2*z^2*(-1 + y + z)) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4)* G[0, -y, -y, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)* (2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)*G[0, -y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(2*y^3 - 4*y^4 + 2*y^5 - 4*y^4*z + 4*y^5*z - 6*y*z^2 + 12*y^2*z^2 - 9*y^3*z^2 + 8*y^4*z^2 + 8*z^3 - 4*y*z^3 - 4*y^2*z^3 + 4*y^3*z^3 - 24*z^4 + 26*y*z^4 - 8*y^2*z^4 + 24*z^5 - 16*y*z^5 - 8*z^6)*G[0, -y, -y, -y, z])/ (y^2*z^2*(-1 + y + z)) - ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (I*(-y + 3*y^2 - 4*y^3 + 2*y^4 - 2*z + 9*y*z - 12*y^2*z + 4*y^3*z + 8*z^2 - 21*y*z^2 + 15*y^2*z^2 - 12*z^3 + 19*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[1, 0, 0, -y, z])/ (y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 5*z - 6*y*z - 3*y^2*z + 12*y^3*z - 20*z^2 + 36*y*z^2 - 21*y^2*z^2 + 30*z^3 - 42*y*z^3 + 15*y^2*z^3 - 20*z^4 + 15*y*z^4 + 5*z^5)*G[1, 0, 1 - y, -y, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 0, -y, -y, z])/ (y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((2*I)*(-2*y + 6*y^2 - 8*y^3 + 4*y^4 + z + 3*y*z - 9*y^2*z + 8*y^3*z - 4*z^2 + 3*y*z^2 + 6*z^3 - 7*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5)*G[1, 1, 0, -y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((2*I)*(-2*y + 6*y^2 - 8*y^3 + 4*y^4 + z + 3*y*z - 9*y^2*z + 8*y^3*z - 4*z^2 + 3*y*z^2 + 6*z^3 - 7*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5)*G[1, 1, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 5*z - 6*y*z - 3*y^2*z + 12*y^3*z - 20*z^2 + 36*y*z^2 - 21*y^2*z^2 + 30*z^3 - 42*y*z^3 + 15*y^2*z^3 - 20*z^4 + 15*y*z^4 + 5*z^5)*G[1, 1 - y, 0, -y, z])/ (y^2*(-1 + y + z)^2) - ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 5*z - 6*y*z - 3*y^2*z + 12*y^3*z - 20*z^2 + 36*y*z^2 - 21*y^2*z^2 + 30*z^3 - 42*y*z^3 + 15*y^2*z^3 - 20*z^4 + 15*y*z^4 + 5*z^5)*G[1, 1 - y, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 4*z - 3*y*z - 6*y^2*z + 12*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 1 - y, -y, -y, z])/ (y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 0, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 0, 1 - y, z])/y^2 - ((I/3)*(-2*y^2 + 6*y^3 - 6*y^4 + 2*y^5 + 2*y^2*z - 6*y^4*z + 4*y^5*z + 9*z^2 - 27*y*z^2 + 30*y^2*z^2 - 24*y^3*z^2 + 12*y^4*z^2 - 27*z^3 + 54*y*z^3 - 30*y^2*z^3 + 12*y^3*z^3 + 27*z^4 - 27*y*z^4 - 9*z^5)*G[1 - y, 0, 0, -y, z])/ (y*z^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 1, 0, z])/y^2 + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 1 - y, 0, z])/y^2 + ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 12*y*z^2 - 36*y^2*z^2 + 39*y^3*z^2 - 27*y^4*z^2 + 12*y^5*z^2 - 16*z^3 + 12*y*z^3 + 24*y^2*z^3 - 23*y^3*z^3 + 12*y^4*z^3 + 64*z^4 - 108*y*z^4 + 60*y^2*z^4 - 16*y^3*z^4 - 96*z^5 + 132*y*z^5 - 48*y^2*z^5 + 64*z^6 - 48*y*z^6 - 16*z^7)* G[1 - y, 0, 1 - y, -y, z])/(y^2*z^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, -y, 0, z])/y^2 + (((4*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 3*y*z^2 + 4*z^3 - 4*z^4)* G[1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 9*y*z^2 + 10*z^3 - 10*z^4)* G[1 - y, 0, -y, -y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1 - y, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4)*G[1 - y, 1, 0, 1 - y, z])/(y^2*z^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 39*y^3*z^2 + 3*y^4*z^2 + 6*y^5*z^2 + 10*z^3 + 15*y*z^3 - 60*y^2*z^3 + 23*y^3*z^3 + 6*y^4*z^3 - 40*z^4 + 45*y*z^4 - 15*y^2*z^4 + 16*y^3*z^4 + 60*z^5 - 75*y*z^5 + 30*y^2*z^5 - 40*z^6 + 30*y*z^6 + 10*z^7)*G[1 - y, 1, 0, -y, z])/ (y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z* (-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[1 - y, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4)* G[1 - y, 1, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 39*y^3*z^2 + 3*y^4*z^2 + 6*y^5*z^2 + 10*z^3 + 15*y*z^3 - 60*y^2*z^3 + 23*y^3*z^3 + 6*y^4*z^3 - 40*z^4 + 45*y*z^4 - 15*y^2*z^4 + 16*y^3*z^4 + 60*z^5 - 75*y*z^5 + 30*y^2*z^5 - 40*z^6 + 30*y*z^6 + 10*z^7)*G[1 - y, 1, 1 - y, -y, z])/(y^2*z^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 0, 0, z])/y^2 + ((I/3)*(-1 + y + z)* (7*y^3 + 14*y^3*z - 9*y*z^2 + 14*z^3 - 14*z^4)*G[1 - y, 1 - y, 0, -y, z])/(y^2*z^2) + (((8*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 1, 0, z])/y^2 - ((I/3)*(-1 + y + z)* (7*y^3 + 14*y^3*z + 9*y*z^2 - 14*z^3 + 14*z^4)* G[1 - y, 1 - y, 1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, -y, -y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, -y, 0, 0, z])/y^2 - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 0, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 6*y*z^2 - 6*z^3 + 6*z^4)* G[1 - y, -y, 0, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, 1 - y, 0, z])/ (y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)*G[1 - y, -y, 1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, -y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 6*y*z^2 - 10*z^3 + 10*z^4)* G[1 - y, -y, -y, 1 - y, z])/(y^2*z^2) + (I*(-1 + y + z)*(y^3 + 2*y^3*z + 2*y*z^2 - 2*z^3 + 2*z^4)* G[1 - y, -y, -y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 0, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)*G[-y, 0, 0, -y, z])/ (y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 1 - y, 0, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 1 - y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 6*y*z^2 - 2*z^3 + 2*z^4)*G[-y, 0, 1 - y, -y, z])/ (y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, -y, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 6*y*z^2 - 2*z^3 + 2*z^4)*G[-y, 0, -y, 1 - y, z])/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 6*y*z^2 - 2*z^3 + 2*z^4)*G[-y, 0, -y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 0, 0, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 0, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z + 6*y*z^2 - 2*z^3 + 2*z^4)*G[-y, 1 - y, 0, -y, z])/ (y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, 0, z])/(y^2*z^2) + (I*(-1 + y + z)*(y^3 + 2*y^3*z + y*z^2 - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, -y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 12*y*z^2 - 14*z^3 + 14*z^4)* G[-y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + (I*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[-y, 1 - y, -y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, 0, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, -y, 0, 1 - y, z])/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(y + z)*(y^2 - y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3)*G[-y, -y, 0, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, 1 - y, 0, z])/(y^2*z^2) + (I*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[-y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)* G[-y, -y, 1 - y, -y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, -y, 0, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)* (2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)*G[-y, -y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 - 4*z^3 + 4*z^4)*G[-y, -y, -y, -y, z])/(y^2*z^2) + ((-2*Pi*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 + 4*z + 15*y*z - 42*y^2*z + 19*y^3*z - 16*z^2 + 9*y*z^2 + 3*y^2*z^2 + 8*y^3*z^2 + 24*z^3 - 27*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(12*y^4 - 30*y^5 + 60*y^7 - 60*y^8 + 18*y^9 - 54*y^2*z + 549*y^3*z - 2013*y^4*z + 3603*y^5*z - 3447*y^6*z + 1752*y^7*z - 426*y^8*z + 36*y^9*z - 162*y*z^2 + 1622*y^2*z^2 - 6499*y^3*z^2 + 13082*y^4*z^2 - 14125*y^5*z^2 + 7880*y^6*z^2 - 1816*y^7*z^2 + 18*y^8*z^2 - 108*z^3 + 1519*y*z^3 - 7675*y^2*z^3 + 18464*y^3*z^3 - 22894*y^4*z^3 + 14063*y^5*z^3 - 3310*y^6*z^3 - 59*y^7*z^3 + 452*z^4 - 3953*y*z^4 + 12922*y^2*z^4 - 19664*y^3*z^4 + 14008*y^4*z^4 - 3713*y^5*z^4 + 11*y^6*z^4 - 758*z^5 + 4567*y*z^5 - 9769*y^2*z^5 + 8927*y^3*z^5 - 3052*y^4*z^5 + 211*y^5*z^5 + 648*z^6 - 2671*y*z^6 + 3670*y^2*z^6 - 1919*y^3*z^6 + 335*y^4*z^6 - 290*z^7 + 812*y*z^7 - 754*y^2*z^7 + 232*y^3*z^7 + 56*z^8 - 112*y*z^8 + 56*y^2*z^8))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2))*Zeta[3] + G[-y, z]*(-1/9*(Pi^3*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) - (Pi*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 7*y^2*z - 25*y^3*z + 42*y^4*z - 37*y^5*z + 13*y^6*z - 11*y*z^2 + 16*y^2*z^2 + 5*y^3*z^2 - 32*y^4*z^2 + 22*y^5*z^2 + 13*z^3 - 13*y*z^3 - 10*y^2*z^3 + 8*y^3*z^3 + 5*y^4*z^3 - 39*z^4 + 72*y*z^4 - 35*y^2*z^4 + 5*y^3*z^4 + 39*z^5 - 61*y*z^5 + 22*y^2*z^5 - 13*z^6 + 13*y*z^6))/(3*(-1 + y)*y^2*z^2* (-1 + y + z)) + ((I/36)*(-38*y^3 + 114*y^4 - 114*y^5 + 38*y^6 + 97*y^2*z - 238*y^3*z + 282*y^4*z - 238*y^5*z + 97*y^6*z - 371*y*z^2 + 907*y^2*z^2 - 1054*y^3*z^2 + 382*y^4*z^2 + 136*y^5*z^2 + 97*z^3 + 509*y*z^3 - 1549*y^2*z^3 + 1253*y^3*z^3 - 85*y^4*z^3 - 291*z^4 + 192*y*z^4 + 409*y^2*z^4 - 85*y^3*z^4 + 291*z^5 - 427*y*z^5 + 136*y^2*z^5 - 97*z^6 + 97*y*z^6))/((-1 + y)*y^2*z^2*(-1 + y + z)) - ((I/108)*Pi^2*(-8*y^5 + 33*y^6 - 42*y^7 + 17*y^8 + 71*y^4*z - 271*y^5*z + 564*y^6*z - 626*y^7*z + 262*y^8*z + 190*y^3*z^2 - 1142*y^4*z^2 + 2619*y^5*z^2 - 2965*y^6*z^2 + 1334*y^7*z^2 + 379*y^2*z^3 - 2131*y^3*z^3 + 5091*y^4*z^3 - 6032*y^5*z^3 + 2980*y^6*z^3 + 548*y*z^4 - 3223*y^2*z^4 + 7293*y^3*z^4 - 8227*y^4*z^4 + 4106*y^5*z^4 + 244*z^5 - 2924*y*z^5 + 8235*y^2*z^5 - 9422*y^3*z^5 + 4396*y^4*z^5 - 994*z^6 + 5538*y*z^6 - 8371*y^2*z^6 + 4106*y^3*z^6 + 1518*z^7 - 4496*y*z^7 + 2980*y^2*z^7 - 1030*z^8 + 1334*y*z^8 + 262*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2) - ((I/3)*(-1 + y + z)* (2*y^3 + 4*y^3*z + 27*y*z^2 - 4*z^3 + 4*z^4)*Zeta[3])/ (y^2*z^2)) + G[1, z]*((Pi^3*(-y + 3*y^2 - 4*y^3 + 2*y^4 + 2*z - 3*y*z + 4*y^3*z - 8*z^2 + 15*y*z^2 - 9*y^2*z^2 + 12*z^3 - 17*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/ (3*y^2*(-1 + y + z)^2) + ((I/36)*Pi^2*(y - 4*y^2 + 3*y^3 + 2*y^4 - 2*y^5 - 2*z + 9*y*z - 22*y^2*z + 32*y^3*z - 15*y^4*z - 2*y^5*z + 4*z^2 - 6*y*z^2 - 61*y^2*z^2 + 152*y^3*z^2 - 105*y^4*z^2 + 4*y^5*z^2 + 8*z^3 - 55*y*z^3 + 222*y^2*z^3 - 196*y^3*z^3 + 4*y^4*z^3 - 32*z^4 + 96*y*z^4 - 153*y^2*z^4 + 9*y^3*z^4 + 38*z^5 - 54*y*z^5 + 18*y^2*z^5 - 20*z^6 + 9*y*z^6 + 4*z^7))/(y^2*z^2*(-1 + y + z)^2) + (I*(-5*y + 15*y^2 - 20*y^3 + 10*y^4 + 4*z + 3*y*z - 18*y^2*z + 20*y^3*z - 16*z^2 + 21*y*z^2 - 9*y^2*z^2 + 24*z^3 - 31*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*Zeta[3])/ (y^2*(-1 + y + z)^2)) + G[1 - y, z]* (-1/9*(Pi^3*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 6*z^3 + 6*z^4))/ (y^2*z^2) - (2*Pi*(-1 + y + z)*(y^3 + 3*y^2*z + 8*y^3*z - 15*y*z^2 + 15*y^2*z^2 - 8*z^3 + 15*y*z^3 + 8*z^4))/ (3*y*z*(y + z)^2) + ((I/36)*(-47*y^3 + 47*y^4 - 276*y^2*z - 41*y^3*z + 358*y^4*z + 669*y*z^2 - 1083*y^2*z^2 + 1042*y^3*z^2 + 358*z^3 - 1711*y*z^3 + 1368*y^2*z^3 - 716*z^4 + 1042*y*z^4 + 358*z^5))/(y*z*(y + z)^2) - ((I/108)*Pi^2*(6*y - 27*y^2 + 28*y^3 + 55*y^4 - 170*y^5 + 179*y^6 - 88*y^7 + 17*y^8 - 12*z + 69*y*z - 150*y^2*z + 113*y^3*z + 116*y^4*z - 337*y^5*z + 322*y^6*z - 149*y^7*z + 28*y^8*z + 42*z^2 - 207*y*z^2 + 162*y^2*z^2 + 705*y^3*z^2 - 1740*y^4*z^2 + 1593*y^5*z^2 - 648*y^6*z^2 + 93*y^7*z^2 - 36*z^3 + 45*y*z^3 + 657*y^2*z^3 - 1921*y^3*z^3 + 1991*y^4*z^3 - 856*y^5*z^3 + 120*y^6*z^3 - 36*z^4 + 351*y*z^4 - 1227*y^2*z^4 + 1621*y^3*z^4 - 803*y^4*z^4 + 94*y^5*z^4 + 84*z^5 - 414*y*z^5 + 759*y^2*z^5 - 612*y^3*z^5 + 165*y^4*z^5 - 54*z^6 + 174*y*z^6 - 186*y^2*z^6 + 66*y^3*z^6 + 12*z^7 - 24*y*z^7 + 12*y^2*z^7))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 60*y^3*z^2 - 60*y^4*z^2 + 30*y^5*z^2 - 14*z^3 - 3*y*z^3 + 48*y^2*z^3 - 60*y^3*z^3 + 30*y^4*z^3 + 56*z^4 - 81*y*z^4 + 39*y^2*z^4 - 84*z^5 + 111*y*z^5 - 42*y^2*z^5 + 56*z^6 - 42*y*z^6 - 14*z^7)*Zeta[3])/ (y^2*z^2*(-1 + y + z)^2))) + G[0, y]*(((I/360)*Pi^4*y*(-55 + 55*y + 91*z - 36*z^2))/ (-1 + y + z)^2 - (Pi*(-2*y + 6*y^2 - 6*y^3 + 2*y^4 + 7*z - 49*y*z + 102*y^2*z - 85*y^3*z + 25*y^4*z - 14*z^2 + 113*y*z^2 - 124*y^2*z^2 + 25*y^3*z^2 + 7*z^3 - 62*y*z^3 + 25*y^2*z^3))/ (3*(-1 + y)^2*z*(-1 + y + z)) + ((I/36)*(-50*y + 150*y^2 - 150*y^3 + 50*y^4 + 121*z - 925*y*z + 1860*y^2*z - 1429*y^3*z + 373*y^4*z - 242*z^2 + 2081*y*z^2 - 2212*y^2*z^2 + 373*y^3*z^2 + 121*z^3 - 1106*y*z^3 + 373*y^2*z^3))/ ((-1 + y)^2*z*(-1 + y + z)) - (Pi^3*(-2*y^2 + 6*y^3 - 6*y^4 + 2*y^5 - 18*y*z + 52*y^2*z - 46*y^3*z + 8*y^4*z + 4*y^5*z + 4*z^2 + 19*y*z^2 - 49*y^2*z^2 + 7*y^3*z^2 + 19*y^4*z^2 - 12*z^3 + 20*y*z^3 - 14*y^2*z^3 + 12*y^3*z^3 + 12*z^4 - 25*y*z^4 + 13*y^2*z^4 - 4*z^5 + 4*y*z^5))/(18*(-1 + y)*y*z*(-1 + y + z)^2) - ((I/216)*Pi^2*(-6*y^2 + 22*y^3 - 28*y^4 + 12*y^5 + 2*y^6 - 2*y^7 + 6*y*z - 446*y^2*z + 2079*y^3*z - 4073*y^4*z + 4115*y^5*z - 2133*y^6*z + 452*y^7*z + 12*z^2 - 446*y*z^2 + 2953*y^2*z^2 - 8638*y^3*z^2 + 11471*y^4*z^2 - 6682*y^5*z^2 + 1330*y^6*z^2 + 4*z^3 + 798*y*z^3 - 4881*y^2*z^3 + 10762*y^3*z^3 - 8653*y^4*z^3 + 1970*y^5*z^3 - 84*z^4 - 202*y*z^4 + 3208*y^2*z^4 - 4970*y^3*z^4 + 1580*y^4*z^4 + 108*z^5 - 236*y*z^5 - 788*y^2*z^5 + 448*y^3*z^5 - 40*z^6 + 80*y*z^6 - 40*y^2*z^6))/((-1 + y)^2*y*z*(-1 + y + z)^2* (y + z)) + ((((-2*I)/9)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (Pi*z*(-4 + 16*y - 9*y^2 + 9*y^3 + 12*z - 32*y*z + 9*y^2*z - 12*z^2 + 16*y*z^2 + 4*z^3))/(3*y*(-1 + y + z)^2) + ((I/18)*(6*y^2 - 24*y^3 + 30*y^4 - 12*y^5 + 50*y*z - 181*y^2*z + 242*y^3*z - 132*y^4*z + 21*y^5*z + 26*z^2 - 211*y*z^2 + 420*y^2*z^2 - 301*y^3*z^2 - 6*y^4*z^2 - 72*z^3 + 274*y*z^3 - 294*y^2*z^3 + 20*y^3*z^3 + 66*z^4 - 133*y*z^4 + 67*y^2*z^4 - 20*z^5 + 20*y*z^5))/((-1 + y)*y*(-1 + y + z)^2*(y + z)))* G[0, 0, z] - ((I/9)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 11*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + y^3*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[0, 1, z])/(y^2*(-1 + y + z)^2) + ((Pi*(11*y^2 - 34*y^3 + 47*y^4 - 36*y^5 + 12*y^6 + 13*y*z - 85*y^2*z + 158*y^3*z - 122*y^4*z + 36*y^5*z - 4*z^2 - 29*y*z^2 + 124*y^2*z^2 - 130*y^3*z^2 + 33*y^4*z^2 + 16*z^3 - 7*y*z^3 - 21*y^2*z^3 + 6*y^3*z^3 - 20*z^4 + 31*y*z^4 - 11*y^2*z^4 + 8*z^5 - 8*y*z^5))/(3*(-1 + y)*y*z*(-1 + y + z)* (y + z)) - ((I/18)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 91*y^2*z - 230*y^3*z + 253*y^4*z - 180*y^5*z + 66*y^6*z + 101*y*z^2 - 674*y^2*z^2 + 1144*y^3*z^2 - 769*y^4*z^2 + 198*y^5*z^2 - 14*z^3 - 340*y*z^3 + 1097*y^2*z^3 - 944*y^3*z^3 + 183*y^4*z^3 + 68*z^4 + 130*y*z^4 - 252*y^2*z^4 + 36*y^3*z^4 - 94*z^5 + 149*y*z^5 - 55*y^2*z^5 + 40*z^6 - 40*y*z^6))/ ((-1 + y)*y*z^2*(-1 + y + z)*(y + z)) - ((I/18)*Pi^2*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 6*y^3*z^2 - 6*y^4*z^2 + 6*y^5*z^2 - 4*z^3 + 3*y*z^3 + 6*y^2*z^3 + 8*y^3*z^3 + 6*y^4*z^3 + 16*z^4 - 27*y*z^4 + 15*y^2*z^4 - 14*y^3*z^4 - 24*z^5 + 33*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[0, 1 - y, z] + ((-2*Pi*(-1 + z)*z*(-2 + 3*y + 2*z))/(3*y*(-1 + y + z)) - ((I/9)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)*z*(20 - 71*y + 54*y^2 - 40*z + 71*y*z + 20*z^2))/(y*(-1 + y + z)^2))*G[1, 0, z] + (((2*I)/9)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + z + 6*y*z - 15*y^2*z + 12*y^3*z - 4*z^2 + 3*y^2*z^2 + 6*z^3 - 6*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5)*G[1, 1, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*Pi^2*(1 - 2*y + 2*y^2 - 2*z + 2*y*z + z^2)*G[1, 1 - y, z])/(y*(-1 + y + z)) + (((I/18)*Pi^2*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 2*z^3 - 6*y*z^3 + 6*y^2*z^3 - 9*y^3*z^3 + 6*y^4*z^3 - 8*z^4 + 18*y*z^4 - 12*y^2*z^4 + 6*y^3*z^4 + 12*z^5 - 18*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7))/(y^2*z^2*(-1 + y + z)^2) + (Pi*(2*y^3 - 10*y^4 + 18*y^5 - 14*y^6 + 4*y^7 + 3*y^2*z - 21*y^3*z + 39*y^4*z - 19*y^5*z - 10*y^6*z + 8*y^7*z - 4*y^2*z^2 - 9*y^3*z^2 + 57*y^4*z^2 - 89*y^5*z^2 + 45*y^6*z^2 - 4*z^3 + 30*y*z^3 - 111*y^2*z^3 + 211*y^3*z^3 - 216*y^4*z^3 + 96*y^5*z^3 + 20*z^4 - 117*y*z^4 + 273*y^2*z^4 - 282*y^3*z^4 + 118*y^4*z^4 - 36*z^5 + 152*y*z^5 - 206*y^2*z^5 + 96*y^3*z^5 + 28*z^6 - 73*y*z^6 + 45*y^2*z^6 - 8*z^7 + 8*y*z^7))/ (3*(-1 + y)*y*z*(-1 + y + z)^2*(y + z)^2) - ((I/36)*(20*y^3 - 88*y^4 + 144*y^5 - 104*y^6 + 28*y^7 - 21*y^2*z + 108*y^3*z - 375*y^4*z + 590*y^5*z - 382*y^6*z + 80*y^7*z + 60*y*z^2 + 77*y^2*z^2 - 1215*y^3*z^2 + 2346*y^4*z^2 - 1718*y^5*z^2 + 450*y^6*z^2 - 52*z^3 + 270*y*z^3 - 1602*y^2*z^3 + 3556*y^3*z^3 - 3084*y^4*z^3 + 948*y^5*z^3 + 236*z^4 - 1302*y*z^4 + 3246*y^2*z^4 - 3264*y^3*z^4 + 1156*y^4*z^4 - 396*z^5 + 1634*y*z^5 - 2150*y^2*z^5 + 948*y^3*z^5 + 292*z^6 - 742*y*z^6 + 450*y^2*z^6 - 80*z^7 + 80*y*z^7))/((-1 + y)*y*z*(-1 + y + z)^2*(y + z)^2))* G[1 - y, 0, z] + ((I/18)*Pi^2*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 45*y^3*z^2 - 21*y^4*z^2 + 6*y^5*z^2 - 6*z^3 - 27*y*z^3 + 72*y^2*z^3 - 39*y^3*z^3 + 6*y^4*z^3 + 24*z^4 - 9*y*z^4 - 9*y^2*z^4 - 6*y^3*z^4 - 36*z^5 + 39*y*z^5 - 18*y^2*z^5 + 24*z^6 - 18*y*z^6 - 6*z^7)*G[1 - y, 1, z])/(y^2*z^2*(-1 + y + z)^2) + (-1/3*(Pi*(8*y^2 - 11*y^3 + 12*y^4 + 10*y*z - 29*y^2*z + 23*y^3*z - 4*z^2 - 10*y*z^2 + 15*y^2*z^2 + 8*z^3 - 4*z^4))/ (y*z*(y + z)) - ((I/18)*Pi^2*(-1 + y + z)*(5*y^3 + 10*y^3*z - 9*y*z^2 + 2*z^3 - 2*z^4))/(y^2*z^2) + ((I/36)*(-6*y^2 + 33*y^3 - 48*y^4 + 21*y^5 + 6*y*z - 179*y^2*z + 373*y^3*z - 350*y^4*z + 150*y^5*z + 12*z^2 - 160*y*z^2 + 513*y^2*z^2 - 493*y^3*z^2 + 272*y^4*z^2 + 16*z^3 + 60*y*z^3 - 28*y^2*z^3 + 96*y^3*z^3 - 68*z^4 + 134*y*z^4 - 66*y^2*z^4 + 40*z^5 - 40*y*z^5))/((-1 + y)*y*z^2*(y + z)))* G[1 - y, 1 - y, z] + (((I/6)*Pi^2*(-1 + y + z))/y - (Pi*(2*y^2 + y^3 + 4*y*z - 5*y^2*z + 2*y^3*z - 4*z^2 + 2*y*z^2 + 8*z^3 - 6*y*z^3 - 4*z^4))/(3*y*z*(y + z)) - ((I/36)*(-1 + y + z)*(3*y^3 + 101*y^2*z + 6*y^3*z + 238*y*z^2 - 56*y^2*z^2 - 40*z^3 - 22*y*z^3 + 40*z^4))/(y*z^2*(y + z)))* G[-y, 1 - y, z] - ((I/2)*z*(-4 + 14*y - 9*y^2 + 7*y^3 + 12*z - 28*y*z + 9*y^2*z - 12*z^2 + 14*y*z^2 + 4*z^3)*G[0, 0, 0, z])/ (y*(-1 + y + z)^2) + ((-2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(-87*y^3 + 333*y^4 - 549*y^5 + 519*y^6 - 288*y^7 + 72*y^8 - 156*y^2*z + 1029*y^3*z - 2334*y^4*z + 2493*y^5*z - 1320*y^6*z + 288*y^7*z - 25*y*z^2 + 676*y^2*z^2 - 2592*y^3*z^2 + 3687*y^4*z^2 - 2151*y^5*z^2 + 405*y^6*z^2 - 28*z^3 + 164*y*z^3 - 1009*y^2*z^3 + 2124*y^3*z^3 - 1530*y^4*z^3 + 207*y^5*z^3 + 112*z^4 - 370*y*z^4 + 675*y^2*z^4 - 513*y^3*z^4 + 24*y^4*z^4 - 168*z^5 + 376*y*z^5 - 247*y^2*z^5 + 39*y^3*z^5 + 112*z^6 - 173*y*z^6 + 61*y^2*z^6 - 28*z^7 + 28*y*z^7))/((-1 + y)*y^2*z*(-1 + y + z)^2* (y + z)))*G[0, 0, 1 - y, z] - (((2*I)/3)*(-1 + z)*z* (-2 + 3*y + 2*z)*G[0, 1, 0, z])/(y*(-1 + y + z)) + ((4*Pi*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(12*y^4 - 66*y^5 + 126*y^6 - 102*y^7 + 30*y^8 + 18*y^3*z - 138*y^4*z + 273*y^5*z - 144*y^6*z - 69*y^7*z + 60*y^8*z - 10*y^2*z^2 + 13*y^3*z^2 - 105*y^4*z^2 + 365*y^5*z^2 - 596*y^6*z^2 + 333*y^7*z^2 - 44*y*z^3 + 330*y^2*z^3 - 1048*y^3*z^3 + 1657*y^4*z^3 - 1527*y^5*z^3 + 686*y^6*z^3 - 10*z^4 + 291*y*z^4 - 1373*y^2*z^4 + 2672*y^3*z^4 - 2355*y^4*z^4 + 883*y^5*z^4 + 64*z^5 - 703*y*z^5 + 2041*y^2*z^5 - 2223*y^3*z^5 + 875*y^4*z^5 - 126*z^6 + 719*y*z^6 - 1161*y^2*z^6 + 568*y^3*z^6 + 100*z^7 - 291*y*z^7 + 191*y^2*z^7 - 28*z^8 + 28*y*z^8))/((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))* G[0, 1 - y, 0, z] + ((2*Pi*(-1 + y + z)*(3*y - 2*z + 2*z^2))/ (3*y^2) + ((I/18)*(78*y^3 - 231*y^4 + 300*y^5 - 219*y^6 + 72*y^7 + 147*y^2*z - 762*y^3*z + 1221*y^4*z - 807*y^5*z + 201*y^6*z + 25*y*z^2 - 474*y^2*z^2 + 1203*y^3*z^2 - 946*y^4*z^2 + 156*y^5*z^2 + 28*z^3 - 99*y*z^3 + 349*y^2*z^3 - 324*y^3*z^3 + 10*y^4*z^3 - 84*z^4 + 151*y*z^4 - 43*y^2*z^4 - 24*y^3*z^4 + 84*z^5 - 105*y*z^5 + 21*y^2*z^5 - 28*z^6 + 28*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)*(y + z)))* G[0, 1 - y, 1 - y, z] + ((2*Pi*(-1 + y + z)*(3*y - 2*z + 2*z^2))/ (3*y^2) - ((I/18)*(-12*y^3 + 3*y^4 - 69*y^2*z + 102*y^3*z + 6*y^4*z - 49*y*z^2 + 133*y^2*z^2 + 18*y^3*z^2 - 28*z^3 + 90*y*z^3 - y^2*z^3 + 56*z^4 - 41*y*z^4 - 28*z^5))/ (y^2*z*(y + z)))*G[0, -y, 1 - y, z] + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)*z*(-28 + 99*y - 117*y^2 + 90*y^3 + 84*z - 198*y*z + 117*y^2*z - 84*z^2 + 99*y*z^2 + 28*z^3))/(y^2*(-1 + y + z)^2))*G[1, 0, 0, z] + ((-2*Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/(3*y^2*(-1 + y + z)^2) + ((I/18)*(-3*y + 12*y^2 - 18*y^3 + 9*y^4 + 6*z - 27*y*z + 57*y^2*z - 72*y^3*z + 45*y^4*z - 12*z^2 + 18*y*z^2 + 201*y^2*z^2 - 450*y^3*z^2 + 270*y^4*z^2 - 40*z^3 + 195*y*z^3 - 660*y^2*z^3 + 504*y^3*z^3 + 18*y^4*z^3 + 160*z^4 - 378*y*z^4 + 429*y^2*z^4 + 36*y^3*z^4 - 210*z^5 + 252*y*z^5 - 39*y^2*z^5 + 124*z^6 - 57*y*z^6 - 28*z^7))/(y^2*z^2*(-1 + y + z)^2))* G[1, 0, 1 - y, z] + ((-4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)*z*(-28 + 63*y - 27*y^2 + 36*y^3 + 84*z - 126*y*z + 27*y^2*z - 84*z^2 + 63*y*z^2 + 28*z^3))/ (y^2*(-1 + y + z)^2))*G[1, 1, 0, z] + ((4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)*(9*y^3 - 15*y^4 + 6*y^5 + 9*y^2*z - 15*y^3*z - 15*y^4*z + 12*y^5*z - 9*y^2*z^2 - 21*y^3*z^2 + 30*y^4*z^2 - 28*z^3 + 87*y*z^3 - 96*y^2*z^3 + 99*y^3*z^3 + 84*z^4 - 174*y*z^4 + 96*y^2*z^4 - 84*z^5 + 87*y*z^5 + 28*z^6))/(y^2*z^2*(-1 + y + z)^2))* G[1, 1 - y, 0, z] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/18)*(12*y^4 - 60*y^5 + 108*y^6 - 84*y^7 + 24*y^8 + 18*y^3*z - 126*y^4*z + 234*y^5*z - 114*y^6*z - 60*y^7*z + 48*y^8*z - 28*y^2*z^2 + 103*y^3*z^2 - 270*y^4*z^2 + 523*y^5*z^2 - 616*y^6*z^2 + 288*y^7*z^2 - 80*y*z^3 + 546*y^2*z^3 - 1507*y^3*z^3 + 2159*y^4*z^3 - 1758*y^5*z^3 + 676*y^6*z^3 - 28*z^4 + 471*y*z^4 - 1904*y^2*z^4 + 3346*y^3*z^4 - 2784*y^4*z^4 + 971*y^5*z^4 + 112*z^5 - 961*y*z^5 + 2485*y^2*z^5 - 2573*y^3*z^5 + 973*y^4*z^5 - 168*z^6 + 857*y*z^6 - 1302*y^2*z^6 + 613*y^3*z^6 + 112*z^7 - 315*y*z^7 + 203*y^2*z^7 - 28*z^8 + 28*y*z^8))/((-1 + y)*y^2*z* (-1 + y + z)^2*(y + z)^2))*G[1 - y, 0, 0, z] + ((-2*Pi*(y - z)*(-1 + y + z)*(y^2 + y*z + 2*y^2*z - 2*z^2 + 2*y*z^2 + 2*z^3))/(3*y^2*z^2) + ((I/18)*(3*y^2 - 12*y^3 - y^4 + 45*y^5 - 54*y^6 + 19*y^7 - 3*y*z + 18*y^2*z + 29*y^3*z - 162*y^4*z + 296*y^5*z - 294*y^6*z + 116*y^7*z - 6*z^2 + 36*y*z^2 + 60*y^2*z^2 - 684*y^3*z^2 + 1331*y^4*z^2 - 1076*y^5*z^2 + 339*y^6*z^2 + 6*z^3 + 4*y*z^3 - 468*y^2*z^3 + 1332*y^3*z^3 - 1231*y^4*z^3 + 303*y^5*z^3 + 46*z^4 - 177*y*z^4 + 496*y^2*z^4 - 509*y^3*z^4 + 90*y^4*z^4 - 114*z^5 + 241*y*z^5 - 142*y^2*z^5 + 15*y^3*z^5 + 96*z^6 - 129*y*z^6 + 33*y^2*z^6 - 28*z^7 + 28*y*z^7))/((-1 + y)*y^2*z^2* (-1 + y + z)*(y + z)))*G[1 - y, 0, 1 - y, z] + ((4*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/18)*z*(-28 + 71*y - 46*y^2 + 9*y^3 + 84*z - 142*y*z + 46*y^2*z - 84*z^2 + 71*y*z^2 + 28*z^3))/(y^2*(-1 + y + z)))* G[1 - y, 1, 0, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(17*y^5 - 68*y^6 + 102*y^7 - 68*y^8 + 17*y^9 + 67*y^4*z - 333*y^5*z + 569*y^6*z - 379*y^7*z + 48*y^8*z + 28*y^9*z + 80*y^3*z^2 - 555*y^4*z^2 + 1141*y^5*z^2 - 746*y^6*z^2 - 111*y^7*z^2 + 191*y^8*z^2 - y^2*z^3 - 220*y^3*z^3 + 698*y^4*z^3 - 388*y^5*z^3 - 648*y^6*z^3 + 559*y^7*z^3 - 68*y*z^4 + 390*y^2*z^4 - 850*y^3*z^4 + 1219*y^4*z^4 - 1512*y^5*z^4 + 893*y^6*z^4 - 28*z^5 + 423*y*z^5 - 1595*y^2*z^5 + 2690*y^3*z^5 - 2340*y^4*z^5 + 994*y^5*z^5 + 112*z^6 - 889*y*z^6 + 2215*y^2*z^6 - 2259*y^3*z^6 + 893*y^4*z^6 - 168*z^7 + 809*y*z^7 - 1200*y^2*z^7 + 559*y^3*z^7 + 112*z^8 - 303*y*z^8 + 191*y^2*z^8 - 28*z^9 + 28*y*z^9))/((-1 + y)*y^2*z^2* (-1 + y + z)^2*(y + z)^2))*G[1 - y, 1 - y, 0, z] - ((I/2)*(6*y^2 - 7*y^3 + 8*y^4 + 8*y*z - 21*y^2*z + 15*y^3*z - 4*z^2 - 6*y*z^2 + 9*y^2*z^2 + 8*z^3 - 2*y*z^3 - 4*z^4)* G[1 - y, 1 - y, 1 - y, z])/(y*z*(y + z)) - ((I/3)*(2*y^2 + y^3 + 4*y*z - 5*y^2*z + 2*y^3*z - 4*z^2 + 2*y*z^2 + 8*z^3 - 6*y*z^3 - 4*z^4)*G[1 - y, -y, 1 - y, z])/(y*z*(y + z)) + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4))/ (3*y^2*z^2) - ((I/18)*(-19*y^4 + 60*y^5 - 60*y^6 + 19*y^7 - 25*y^3*z + 103*y^4*z - 78*y^5*z - 53*y^6*z + 44*y^7*z - 57*y^2*z^2 + 256*y^3*z^2 - 237*y^4*z^2 - 174*y^5*z^2 + 176*y^6*z^2 - 61*y*z^3 + 393*y^2*z^3 - 654*y^3*z^3 + 50*y^4*z^3 + 273*y^5*z^3 - 28*z^4 + 292*y*z^4 - 777*y^2*z^4 + 479*y^3*z^4 + 166*y^4*z^4 + 112*z^5 - 510*y*z^5 + 603*y^2*z^5 - 56*y^3*z^5 - 168*z^6 + 388*y*z^6 - 162*y^2*z^6 + 112*z^7 - 109*y*z^7 - 28*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))* G[-y, 0, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-8*y^5 + 36*y^6 - 45*y^7 + 17*y^8 - 58*y^4*z + 242*y^5*z - 297*y^6*z + 76*y^7*z + 28*y^8*z - 80*y^3*z^2 + 418*y^4*z^2 - 612*y^5*z^2 + 98*y^6*z^2 + 167*y^7*z^2 - 8*y^2*z^3 + 197*y^3*z^3 - 423*y^4*z^3 - 101*y^5*z^3 + 424*y^6*z^3 + 68*y*z^4 - 280*y^2*z^4 + 414*y^3*z^4 - 631*y^4*z^4 + 641*y^5*z^4 + 10*z^5 - 329*y*z^5 + 990*y^2*z^5 - 1190*y^3*z^5 + 712*y^4*z^5 - 64*z^6 + 639*y*z^6 - 1144*y^2*z^6 + 641*y^3*z^6 + 126*z^7 - 545*y*z^7 + 424*y^2*z^7 - 100*z^8 + 167*y*z^8 + 28*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, 1 - y, 0, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4))/ (3*y^2*z^2) + ((I/18)*(-19*y^4 + 19*y^5 - 31*y^3*z - 3*y^4*z + 44*y^5*z - 69*y^2*z^2 + 77*y^3*z^2 + 85*y^4*z^2 - 49*y*z^3 + 133*y^2*z^3 + 53*y^3*z^3 - 28*z^4 + 90*y*z^4 - y^2*z^4 + 56*z^5 - 41*y*z^5 - 28*z^6))/(y^2*z^2*(y + z)))* G[-y, 1 - y, 1 - y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4))/ (3*y^2*z^2) + ((I/18)*(-19*y^4 + 19*y^5 - 13*y^3*z + 6*y^4*z + 44*y^5*z - 33*y^2*z^2 + 32*y^3*z^2 + 103*y^4*z^2 - 85*y*z^3 + 151*y^2*z^3 + 53*y^3*z^3 - 28*z^4 + 162*y*z^4 - 55*y^2*z^4 + 56*z^5 - 77*y*z^5 - 28*z^6))/(y^2*z^2*(y + z)))* G[-y, -y, 1 - y, z] + (I*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)* G[0, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 7*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)*G[0, 0, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-9*y + 27*y^2 - 33*y^3 + 15*y^4 + 6*z + 9*y*z - 36*y^2*z + 31*y^3*z - 24*z^2 + 27*y*z^2 - 9*y^2*z^2 + 2*y^3*z^2 + 36*z^3 - 45*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5)*G[0, 0, 1 - y, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(3*y - 2*z + 2*z^2)* G[0, 0, -y, 1 - y, z])/y^2 - (((4*I)/3)*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[0, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)* G[0, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[0, 1, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)* G[0, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 30*y^3*z^2 - 24*y^4*z^2 + 6*y^5*z^2 - 4*z^3 - 6*y*z^3 + 24*y^2*z^3 - 34*y^3*z^3 + 6*y^4*z^3 + 16*z^4 - 18*y*z^4 + 6*y^2*z^4 + 4*y^3*z^4 - 24*z^5 + 30*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)*G[0, 1 - y, 0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, 1, 0, z])/y^2 + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 6*z^3 + 18*y*z^3 - 18*y^2*z^3 + 9*y^3*z^3 + 6*y^4*z^3 + 24*z^4 - 54*y*z^4 + 36*y^2*z^4 - 12*y^3*z^4 - 36*z^5 + 54*y*z^5 - 18*y^2*z^5 + 24*z^6 - 18*y*z^6 - 6*z^7)*G[0, 1 - y, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + (I*(-1 + y + z)*(3*y - 2*z + 2*z^2)* G[0, 1 - y, 1 - y, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)* (3*y - 2*z + 2*z^2)*G[0, 1 - y, -y, 1 - y, z])/y^2 - ((I/3)*y*(-1 + 3*y - 3*y^2 + y^3 + z - 3*y^2*z + 2*y^3*z - 6*y*z^2 + 6*y^2*z^2 + 6*y*z^3)*G[0, -y, 0, 1 - y, z])/ (z^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)*G[0, -y, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[0, -y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 6*y*z^2 + 4*z^3 - 4*z^4)* G[0, -y, -y, 1 - y, z])/(y^2*z^2) - ((2*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((8*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 0, 1 - y, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((8*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 1 - y, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((8*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((2*I)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 0, z])/y^2 + ((I/3)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 36*y^3*z^2 - 42*y^4*z^2 + 24*y^5*z^2 - 6*z^3 - 9*y*z^3 + 36*y^2*z^3 - 36*y^3*z^3 + 24*y^4*z^3 + 24*z^4 - 27*y*z^4 + 9*y^2*z^4 - 36*z^5 + 45*y*z^5 - 18*y^2*z^5 + 24*z^6 - 18*y*z^6 - 6*z^7)*G[1 - y, 0, 0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 1, 0, z])/y^2 - ((I/3)*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z + 9*y^3*z^2 - 27*y^4*z^2 + 18*y^5*z^2 + 4*z^3 - 12*y*z^3 + 12*y^2*z^3 - 21*y^3*z^3 + 18*y^4*z^3 - 16*z^4 + 36*y*z^4 - 24*y^2*z^4 + 12*y^3*z^4 + 24*z^5 - 36*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7)* G[1 - y, 0, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 6*y*z^2 + 4*z^3 - 4*z^4)* G[1 - y, 0, 1 - y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(3*y - 2*z + 2*z^2)*G[1 - y, 0, -y, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1 - y, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-15*y + 45*y^2 - 42*y^3 + 12*y^4 + 10*z + 15*y*z - 60*y^2*z + 30*y^3*z - 40*z^2 + 45*y*z^2 - 15*y^2*z^2 + 12*y^3*z^2 + 60*z^3 - 75*y*z^3 + 30*y^2*z^3 - 40*z^4 + 30*y*z^4 + 10*z^5)*G[1 - y, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[1 - y, 1, 1, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*y*(-1 + 3*y - 3*y^2 + y^3 + z - 3*y^2*z + 2*y^3*z + 3*z^2 - 9*y*z^2 + 6*y^2*z^2 - 3*z^3 + 6*y*z^3)*G[1 - y, 1, 1 - y, 0, z])/(z^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 3*z^3 + 3*z^4)* G[1 - y, 1 - y, 0, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(4*y^3 + 8*y^3*z - 9*y*z^2 + 6*z^3 - 6*z^4)* G[1 - y, 1 - y, 0, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1, 0, z])/y^2 + (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, 1 - y, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 6*y*z^2 - 4*z^3 + 4*z^4)*G[1 - y, -y, 0, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, 0, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[1 - y, -y, -y, 1 - y, z])/(y^2*z^2) - (((4*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, 0, 0, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 1 - y, 0, z])/(y^2*z^2) + (((4*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, 0, 1 - y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, 0, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 0, 0, z])/(y^2*z^2) + (((4*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, 1 - y, 0, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, 0, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, -y, 0, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, -y, 1 - y, 0, z])/ (y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)*G[-y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4)* G[-y, -y, -y, 1 - y, z])/(y^2*z^2) + ((-2*Pi*y*(-9 + 9*y + 13*z - 4*z^2))/(3*(-1 + y + z)^2) + ((I/18)*(-18*y^2 + 54*y^3 - 54*y^4 + 18*y^5 - 216*y*z + 891*y^2*z - 1125*y^3*z + 414*y^4*z + 36*y^5*z + 60*z^2 + 159*y*z^2 - 496*y^2*z^2 + 115*y^3*z^2 + 135*y^4*z^2 - 180*z^3 + 390*y*z^3 - 590*y^2*z^3 + 380*y^3*z^3 + 180*z^4 - 393*y*z^4 + 213*y^2*z^4 - 60*z^5 + 60*y*z^5))/((-1 + y)*y*z* (-1 + y + z)^2))*Zeta[3] + G[0, z]*((-2*Pi^3*y*(-1 + z)*z)/ (9*(-1 + y + z)^2) - (Pi*(-y + 4*y^2 - 5*y^3 + 2*y^4 - 4*z + 14*y*z - 15*y^2*z + 4*y^3*z + y^4*z + 7*z^2 - 12*y*z^2 + y^2*z^2 + 16*y^3*z^2 - 2*z^3 - 2*y*z^3 + 16*y^2*z^3 - z^4 + y*z^4))/(3*(-1 + y)*(-1 + y + z)^2*(y + z)) + ((I/36)*(-19*y + 70*y^2 - 83*y^3 + 32*y^4 - 244*z + 734*y*z - 999*y^2*z + 460*y^3*z + 49*y^4*z + 439*z^2 - 1062*y*z^2 + 775*y^2*z^2 + 244*y^3*z^2 - 146*z^3 + 298*y*z^3 + 244*y^2*z^3 - 49*z^4 + 49*y*z^4))/((-1 + y)*(-1 + y + z)^2*(y + z)) - ((I/108)*Pi^2*(-6*y^2 + 18*y^3 - 18*y^4 + 6*y^5 + 3*y^2*z + 6*y^3*z - 21*y^4*z + 12*y^5*z + 12*z^2 + 30*y*z^2 - 47*y^2*z^2 + 47*y^3*z^2 - 42*y^4*z^2 - 36*z^3 - 48*y*z^3 + 92*y^2*z^3 + 10*y^3*z^3 + 36*z^4 + 6*y*z^4 - 42*y^2*z^4 - 12*z^5 + 12*y*z^5))/((-1 + y)*y*z*(-1 + y + z)^2) + (((16*I)/3)*y*(-1 + z)*z*Zeta[3])/(-1 + y + z)^2) + G[1, z]*(-1/9*(Pi^3*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z + 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/ (y^2*(-1 + y + z)^2) - ((I/108)*Pi^2*(3*y - 12*y^2 + 9*y^3 + 6*y^4 - 6*y^5 - 6*z + 27*y*z - 66*y^2*z + 96*y^3*z - 45*y^4*z - 6*y^5*z + 12*z^2 - 18*y*z^2 - 183*y^2*z^2 + 456*y^3*z^2 - 315*y^4*z^2 + 12*y^5*z^2 + 40*z^3 - 219*y*z^3 + 720*y^2*z^3 - 588*y^3*z^3 + 12*y^4*z^3 - 160*z^4 + 450*y*z^4 - 567*y^2*z^4 + 27*y^3*z^4 + 210*z^5 - 324*y*z^5 + 108*y^2*z^5 - 124*z^6 + 81*y*z^6 + 28*z^7))/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-21*y + 63*y^2 - 84*y^3 + 42*y^4 + 10*z + 33*y*z - 96*y^2*z + 84*y^3*z - 40*z^2 + 27*y*z^2 + 3*y^2*z^2 + 60*z^3 - 69*y*z^3 + 30*y^2*z^3 - 40*z^4 + 30*y*z^4 + 10*z^5)*Zeta[3])/ (y^2*(-1 + y + z)^2)) + G[1 - y, z]* ((Pi^3*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4))/ (9*y^2*z^2) - ((I/36)*(38*y^2 - 76*y^3 + 38*y^4 - 65*y*z + 86*y^2*z - 118*y^3*z + 97*y^4*z + 293*z^2 - 576*y*z^2 + 485*y^2*z^2 + 194*y^3*z^2 - 342*z^3 + 690*y*z^3 + 48*y^2*z^3 + 49*z^4 - 49*y*z^4))/((-1 + y)*z^2*(y + z)) + (Pi*(2*y^2 - 4*y^3 + 2*y^4 - 5*y*z + 14*y^2*z - 22*y^3*z + 13*y^4*z + 5*z^2 - 19*y^2*z^2 + 26*y^3*z^2 - 6*z^3 + 6*y*z^3 + 12*y^2*z^3 + z^4 - y*z^4))/(3*(-1 + y)*z^2*(y + z)) + ((I/108)*Pi^2*(-3*y^3 + 15*y^4 - 13*y^5 - 38*y^6 + 87*y^7 - 65*y^8 + 17*y^9 - 3*y^3*z - 59*y^4*z + 306*y^5*z - 796*y^6*z + 1187*y^7*z - 897*y^8*z + 262*y^9*z + 9*y*z^2 - 63*y^2*z^2 - 58*y^3*z^2 + 1314*y^4*z^2 - 4046*y^5*z^2 + 5983*y^6*z^2 - 4479*y^7*z^2 + 1340*y^8*z^2 + 6*z^3 - 57*y*z^3 - 13*y^2*z^3 + 1787*y^3*z^3 - 6874*y^4*z^3 + 11273*y^5*z^3 - 9003*y^6*z^3 + 2881*y^7*z^3 - 12*z^4 - 50*y*z^4 + 1269*y^2*z^4 - 5947*y^3*z^4 + 11311*y^4*z^4 - 9930*y^5*z^4 + 3395*y^6*z^4 - 40*z^5 + 603*y*z^5 - 3128*y^2*z^5 + 7016*y^3*z^5 - 6897*y^4*z^5 + 2518*y^5*z^5 + 160*z^6 - 1102*y*z^6 + 2977*y^2*z^6 - 3351*y^3*z^6 + 1352*y^4*z^6 - 210*z^7 + 854*y*z^7 - 1203*y^2*z^7 + 559*y^3*z^7 + 124*z^8 - 285*y*z^8 + 161*y^2*z^8 - 28*z^9 + 28*y*z^9))/((-1 + y)*y^2*z^2* (-1 + y + z)^2*(y + z)^2) - ((I/3)*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z - 21*y*z^2 + 63*y^2*z^2 - 45*y^3*z^2 - 15*y^4*z^2 + 18*y^5*z^2 + 10*z^3 + 33*y*z^3 - 96*y^2*z^3 + 25*y^3*z^3 + 18*y^4*z^3 - 40*z^4 + 27*y*z^4 + 3*y^2*z^4 + 20*y^3*z^4 + 60*z^5 - 69*y*z^5 + 30*y^2*z^5 - 40*z^6 + 30*y*z^6 + 10*z^7)*Zeta[3])/(y^2*z^2* (-1 + y + z)^2))) - (((2*I)/3)*y*(-33 + 33*y + 70*z - 37*z^2)* Zeta[5])/(-1 + y + z)^2)/Nc + Nc*(-1/540*(Pi^5*y*(-21 + 21*y - 461*z + 482*z^2))/(-1 + y + z)^2 - (2*Pi*(373*y - 373*y^2 + 418*z - 836*y*z + 463*y^2*z - 418*z^2 + 463*y*z^2))/(9*(-1 + y)*(y + z)) + ((I/9)*(926*y - 926*y^2 + 1079*z - 2158*y*z + 1232*y^2*z - 1079*z^2 + 1232*y*z^2))/((-1 + y)*(y + z)) - ((I/4320)*Pi^4*(372*y^2 - 1488*y^3 + 2232*y^4 - 1488*y^5 + 372*y^6 + 9048*y*z - 36552*y^2*z + 54912*y^3*z - 35616*y^4*z + 7464*y^5*z + 744*y^6*z - 744*z^2 - 27000*y*z^2 + 90398*y^2*z^2 - 103864*y^3*z^2 + 48542*y^4*z^2 - 7332*y^5*z^2 + 2232*z^3 + 25368*y*z^3 - 67277*y^2*z^3 + 56025*y^3*z^3 - 16348*y^4*z^3 - 2232*z^4 - 5928*y*z^4 + 12891*y^2*z^4 - 7332*y^3*z^4 + 744*z^5 - 1488*y*z^5 + 744*y^2*z^5))/((-1 + y)^2*y*z*(-1 + y + z)^2) + (Pi^3*(8*y - 24*y^2 - 74*y^3 + 270*y^4 - 270*y^5 + 90*y^6 + 8*z - 48*y*z + 2705*y^2*z - 8293*y^3*z + 8799*y^4*z - 3351*y^5*z + 180*y^6*z - 24*z^2 + 2669*y*z^2 - 16652*y^2*z^2 + 26858*y^3*z^2 - 16352*y^4*z^2 + 3501*y^5*z^2 + 196*z^3 - 8935*y*z^3 + 27416*y^2*z^3 - 25972*y^3*z^3 + 7601*y^4*z^3 - 540*z^4 + 10167*y*z^4 - 16922*y^2*z^4 + 7601*y^3*z^4 + 540*z^5 - 4041*y*z^5 + 3501*y^2*z^5 - 180*z^6 + 180*y*z^6))/(216*(-1 + y)*y*z* (-1 + y + z)^2*(y + z)) - ((I/1296)*Pi^2*(56*y - 525*y^2 + 340*y^3 + 1299*y^4 - 1998*y^5 + 828*y^6 + 56*z - 15*y*z + 50114*y^2*z - 153175*y^3*z + 157287*y^4*z - 56193*y^5*z + 1926*y^6*z + 510*z^2 + 45749*y*z^2 - 299180*y^2*z^2 + 483405*y^3*z^2 - 292080*y^4*z^2 + 61596*y^5*z^2 - 434*z^3 - 151309*y*z^3 + 486501*y^2*z^3 - 472011*y^3*z^3 + 143652*y^4*z^3 - 3012*z^4 + 167187*y*z^4 - 298620*y^2*z^4 + 143652*y^3*z^4 + 4806*z^5 - 63594*y*z^5 + 61596*y^2*z^5 - 1926*z^6 + 1926*y*z^6))/((-1 + y)*y*z* (-1 + y + z)^2*(y + z)) + (((-1/36*I)*Pi^2*y*(-9 + 9*y - 29*z + 38*z^2))/(-1 + y + z)^2 + (2*Pi*(-3*y + 3*y^2 + 10*z - 7*y*z + 6*y^2*z - 20*z^2 + 10*y*z^2 + 10*z^3))/(z*(-1 + y + z)) + ((I/12)*(39*y - 117*y^2 + 117*y^3 - 39*y^4 + 82*z - 369*y*z + 714*y^2*z - 649*y^3*z + 222*y^4*z - 164*z^2 + 662*y*z^2 - 664*y^2*z^2 + 166*y^3*z^2 + 82*z^3 - 332*y*z^3 + 166*y^2*z^3))/((-1 + y)^2*z*(-1 + y + z)))* G[0, 0, 0, y] + ((((-19*I)/18)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (2*Pi*(y - y^2 + 6*z - 11*y*z + 10*y^2*z - 12*z^2 + 10*y*z^2 + 6*z^3))/(y*(-1 + y + z)) + ((I/6)*(-16*y + 16*y^2 + 111*z - 67*y*z + 83*y^2*z - 222*z^2 + 83*y*z^2 + 111*z^3))/ (y*(-1 + y + z)))*G[0, 0, 0, z] + (((I/36)*Pi^2*(-9*y^3 + 9*y^4 + 76*z - 228*y*z + 228*y^2*z - 45*y^3*z - 304*z^2 + 684*y*z^2 - 456*y^2*z^2 + 54*y^3*z^2 + 456*z^3 - 684*y*z^3 + 228*y^2*z^3 - 304*z^4 + 228*y*z^4 + 76*z^5))/(y^2*(-1 + y + z)^2) + (Pi*(60*y^2 - 174*y^3 + 96*y^4 + 156*y^5 - 204*y^6 + 66*y^7 - 120*y*z + 432*y^2*z - 747*y^3*z + 717*y^4*z - 189*y^5*z - 225*y^6*z + 132*y^7*z - 468*z^2 + 2760*y*z^2 - 6234*y^2*z^2 + 6787*y^3*z^2 - 3530*y^4*z^2 + 643*y^5*z^2 + 42*y^6*z^2 + 1848*z^3 - 8496*y*z^3 + 14916*y^2*z^3 - 11833*y^3*z^3 + 4025*y^4*z^3 - 460*y^5*z^3 - 2760*z^4 + 10104*y*z^4 - 13506*y^2*z^4 + 7407*y^3*z^4 - 1398*y^4*z^4 + 1840*z^5 - 5168*y*z^5 + 4816*y^2*z^5 - 1488*y^3*z^5 - 460*z^6 + 920*y*z^6 - 460*y^2*z^6))/(18*(-1 + y)^2*y^2*z*(-1 + y + z)^2) - ((I/216)*(48*y - 108*y^2 + 1542*y^3 - 4656*y^4 + 3612*y^5 + 2292*y^6 - 4194*y^7 + 1464*y^8 + 48*z - 384*y*z - 726*y^2*z + 6024*y^3*z - 16035*y^4*z + 20721*y^5*z - 8511*y^6*z - 4461*y^7*z + 3324*y^8*z - 276*z^2 - 16798*y*z^2 + 95288*y^2*z^2 - 207745*y^3*z^2 + 216096*y^4*z^2 - 98319*y^5*z^2 + 5610*y^6*z^2 + 6144*y^7*z^2 - 16690*z^3 + 156000*y*z^3 - 486366*y^2*z^3 + 698755*y^3*z^3 - 478839*y^4*z^3 + 136056*y^5*z^3 - 8916*y^6*z^3 + 67072*z^4 - 396164*y*z^4 + 860596*y^2*z^4 - 855435*y^3*z^4 + 379938*y^4*z^4 - 58734*y^5*z^4 - 100056*z^5 + 425952*y*z^5 - 655794*y^2*z^5 + 426477*y^3*z^5 - 99306*y^4*z^5 + 66444*z^6 - 201738*y*z^6 + 204144*y^2*z^6 - 68850*y^3*z^6 - 16542*z^7 + 33084*y*z^7 - 16542*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)))*G[0, 0, 1, y] + (((23*I)/18)*Pi^2*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[0, 0, 1, z])/ (y^2*(-1 + y + z)^2) + (-1/3*(Pi*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 30*z^2 + 66*y*z^2 - 13*y^2*z^2 + 9*y^3*z^2 + 90*z^3 - 102*y*z^3 + 3*y^2*z^3 - 90*z^4 + 46*y*z^4 + 30*z^5))/ (y^2*z*(-1 + y + z)) + ((I/108)*(-18*y^2 - 228*y^3 + 774*y^4 - 792*y^5 + 264*y^6 + 36*y*z + 552*y^2*z - 1314*y^3*z + 1464*y^4*z - 1302*y^5*z + 564*y^6*z + 54*z^2 + 5791*y*z^2 - 17616*y^2*z^2 + 16449*y^3*z^2 - 4900*y^4*z^2 + 222*y^5*z^2 + 6091*z^3 - 35253*y*z^3 + 55066*y^2*z^3 - 29214*y^3*z^3 + 2392*y^4*z^3 - 18645*z^4 + 59698*y*z^4 - 56152*y^2*z^4 + 14181*y^3*z^4 + 18825*z^5 - 36597*y*z^5 + 17772*y^2*z^5 - 6325*z^6 + 6325*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)*(y + z)) - ((I/36)*Pi^2*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 3*y^3*z^2 - 15*y^4*z^2 + 12*y^5*z^2 - 294*z^3 + 882*y*z^3 - 882*y^2*z^3 + 311*y^3*z^3 + 12*y^4*z^3 + 1176*z^4 - 2646*y*z^4 + 1764*y^2*z^4 - 314*y^3*z^4 - 1764*z^5 + 2646*y*z^5 - 882*y^2*z^5 + 1176*z^6 - 882*y*z^6 - 294*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[0, 0, 1 - y, z] + (((-1/18*I)*Pi^2*(-3*y^3 + 3*y^4 + 33*z - 99*y*z + 99*y^2*z + 34*y^3*z - 132*z^2 + 297*y*z^2 - 198*y^2*z^2 - 31*y^3*z^2 + 198*z^3 - 297*y*z^3 + 99*y^2*z^3 - 132*z^4 + 99*y*z^4 + 33*z^5))/ (y^2*(-1 + y + z)^2) - ((I/216)*(-72*y^2 + 162*y^3 - 2646*y^4 + 6996*y^5 - 6054*y^6 + 1206*y^7 + 408*y^8 - 144*y*z + 612*y^2*z - 5040*y^3*z + 14226*y^4*z - 12177*y^5*z + 690*y^6*z + 1017*y^7*z + 816*y^8*z - 72*z^2 + 738*y*z^2 + 4318*y^2*z^2 - 15478*y^3*z^2 + 23586*y^4*z^2 - 28603*y^5*z^2 + 8473*y^6*z^2 + 7038*y^7*z^2 + 288*z^3 + 5099*y*z^3 - 37704*y^2*z^3 + 74029*y^3*z^3 - 72794*y^4*z^3 + 24822*y^5*z^3 + 5132*y^6*z^3 + 1114*z^4 - 23115*y*z^4 + 72305*y^2*z^4 - 79102*y^3*z^4 + 31308*y^4*z^4 - 4766*y^5*z^4 - 5392*z^5 + 36163*y*z^5 - 55940*y^2*z^5 + 26325*y^3*z^5 - 2284*y^4*z^5 + 8178*z^6 - 27037*y*z^6 + 20271*y^2*z^6 - 1412*y^3*z^6 - 5492*z^7 + 9672*y*z^7 - 4180*y^2*z^7 + 1376*z^8 - 1376*y*z^8))/((-1 + y)*y^2*z* (-1 + y + z)^2*(y + z)^2) + (Pi*(-78*y^4 + 234*y^5 - 234*y^6 + 78*y^7 - 135*y^3*z + 426*y^4*z - 399*y^5*z + 60*y^6*z + 48*y^7*z + 274*y^2*z^2 - 841*y^3*z^2 + 1083*y^4*z^2 - 818*y^5*z^2 + 68*y^6*z^2 + 234*y^7*z^2 + 254*y*z^3 - 1650*y^2*z^3 + 3058*y^3*z^3 - 2218*y^4*z^3 + 36*y^5*z^3 + 580*y^6*z^3 + 76*z^4 - 1062*y*z^4 + 3152*y^2*z^4 - 2990*y^3*z^4 + 378*y^4*z^4 + 566*y^5*z^4 - 292*z^5 + 1774*y*z^5 - 2718*y^2*z^5 + 1076*y^3*z^5 + 220*y^4*z^5 + 432*z^6 - 1434*y*z^6 + 1182*y^2*z^6 - 180*y^3*z^6 - 288*z^7 + 540*y*z^7 - 252*y^2*z^7 + 72*z^8 - 72*y*z^8))/(18*(-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))* G[0, 1, 0, y] + (((-1/9*I)*Pi^2*(-1 + z)*z*(-55 + 165*y - 165*y^2 + 8*y^3 + 165*z - 330*y*z + 165*y^2*z - 165*z^2 + 165*y*z^2 + 55*z^3))/(y^2*(-1 + y + z)^2) + ((I/216)*(-72*y^2 + 342*y^3 - 4440*y^4 + 15690*y^5 - 22842*y^6 + 15096*y^7 - 3774*y^8 - 144*y*z + 864*y^2*z - 10107*y^3*z + 34107*y^4*z - 40917*y^5*z + 9081*y^6*z + 14520*y^7*z - 7404*y^8*z - 72*z^2 + 702*y*z^2 - 14112*y^2*z^2 + 62895*y^3*z^2 - 89040*y^4*z^2 + 9693*y^5*z^2 + 64734*y^6*z^2 - 36528*y^7*z^2 + 1728*y^8*z^2 + 180*z^3 - 24816*y*z^3 + 164616*y^2*z^3 - 392634*y^3*z^3 + 406662*y^4*z^3 - 173127*y^5*z^3 + 12207*y^6*z^3 + 6912*y^7*z^3 - 13644*z^4 + 169500*y*z^4 - 628062*y^2*z^4 + 1029204*y^3*z^4 - 831660*y^4*z^4 + 309657*y^5*z^4 - 32268*y^6*z^4 + 54816*z^5 - 391986*y*z^5 + 983174*y^2*z^5 - 1133971*y^3*z^5 + 614417*y^4*z^5 - 120996*y^5*z^5 - 82866*z^6 + 400468*y*z^6 - 689560*y^2*z^6 + 514823*y^3*z^6 - 140138*y^4*z^6 + 55544*z^7 - 181640*y*z^7 + 196648*y^2*z^7 - 70552*y^3*z^7 - 13958*z^8 + 27916*y*z^8 - 13958*y^2*z^8))/((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) + (Pi*(132*y^4 - 528*y^5 + 792*y^6 - 528*y^7 + 132*y^8 + 288*y^3*z - 1128*y^4*z + 1392*y^5*z - 288*y^6*z - 528*y^7*z + 264*y^8*z + 244*y^2*z^2 - 1250*y^3*z^2 + 1474*y^4*z^2 + 738*y^5*z^2 - 2046*y^6*z^2 + 768*y^7*z^2 + 72*y^8*z^2 + 503*y*z^3 - 3269*y^2*z^3 + 7258*y^3*z^3 - 6730*y^4*z^3 + 2886*y^5*z^3 - 936*y^6*z^3 + 288*y^7*z^3 + 262*z^4 - 3373*y*z^4 + 12236*y^2*z^4 - 19418*y^3*z^4 + 16044*y^4*z^4 - 7116*y^5*z^4 + 1212*y^6*z^4 - 1060*z^5 + 7601*y*z^5 - 18765*y^2*z^5 + 21586*y^3*z^5 - 12296*y^4*z^5 + 2628*y^5*z^5 + 1596*z^6 - 7639*y*z^6 + 12988*y^2*z^6 - 9776*y^3*z^6 + 2678*y^4*z^6 - 1064*z^7 + 3440*y*z^7 - 3688*y^2*z^7 + 1312*y^3*z^7 + 266*z^8 - 532*y*z^8 + 266*y^2*z^8))/(18*(-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)^2))*G[0, 1, 0, z] + (((I/36)*Pi^2*(-9*y^3 + 9*y^4 - 250*z + 750*y*z - 750*y^2*z + 155*y^3*z + 1000*z^2 - 2250*y*z^2 + 1500*y^2*z^2 - 146*y^3*z^2 - 1500*z^3 + 2250*y*z^3 - 750*y^2*z^3 + 1000*z^4 - 750*y*z^4 - 250*z^5))/(y^2*(-1 + y + z)^2) - (Pi*(26*y^3 - 48*y^4 + 22*y^5 + 37*y^2*z - 58*y^3*z - 35*y^4*z + 44*y^5*z + 91*y*z^2 - 212*y^2*z^2 + 37*y^3*z^2 + 86*y^4*z^2 + 60*z^3 - 382*y*z^3 + 405*y^2*z^3 - 48*y^3*z^3 - 180*z^4 + 491*y*z^4 - 230*y^2*z^4 + 180*z^5 - 200*y*z^5 - 60*z^6))/ (6*y^2*z*(-1 + y + z)*(y + z)) + ((I/108)*(-24*y - 6*y^2 - 501*y^3 + 2109*y^4 - 2571*y^5 + 993*y^6 - 24*z + 162*y*z - 1836*y^2*z + 4860*y^3*z - 2664*y^4*z - 2682*y^5*z + 2184*y^6*z + 168*z^2 - 7510*y*z^2 + 23418*y^2*z^2 - 21624*y^3*z^2 + 1393*y^4*z^2 + 6153*y^5*z^2 - 6739*z^3 + 40626*y*z^3 - 67972*y^2*z^3 + 38637*y^3*z^3 - 1636*y^4*z^3 + 19395*z^4 - 65566*y*z^4 + 65845*y^2*z^4 - 18756*y^3*z^4 - 19125*z^5 + 38601*y*z^5 - 19476*y^2*z^5 + 6325*z^6 - 6325*y*z^6))/ ((-1 + y)*y^2*z*(-1 + y + z)*(y + z)))*G[0, 1, 1, y] - (((14*I)/9)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 1, z])/(y^2*(-1 + y + z)^2) - ((I/18)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 44*z + 141*y*z - 150*y^2*z + 10*y^3*z + 176*z^2 - 405*y*z^2 + 273*y^2*z^2 + 2*y^3*z^2 - 264*z^3 + 399*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y*z^4 - 44*z^5)*G[0, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) + (-1/3*(Pi*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 30*z^2 + 66*y*z^2 - 13*y^2*z^2 + 9*y^3*z^2 + 90*z^3 - 102*y*z^3 + 3*y^2*z^3 - 90*z^4 + 46*y*z^4 + 30*z^5))/ (y^2*z*(-1 + y + z)) + ((I/108)*(-18*y^2 - 228*y^3 + 774*y^4 - 792*y^5 + 264*y^6 + 36*y*z + 552*y^2*z - 1314*y^3*z + 1464*y^4*z - 1302*y^5*z + 564*y^6*z + 54*z^2 + 5791*y*z^2 - 17616*y^2*z^2 + 16449*y^3*z^2 - 4900*y^4*z^2 + 222*y^5*z^2 + 6091*z^3 - 35253*y*z^3 + 55066*y^2*z^3 - 29214*y^3*z^3 + 2392*y^4*z^3 - 18645*z^4 + 59698*y*z^4 - 56152*y^2*z^4 + 14181*y^3*z^4 + 18825*z^5 - 36597*y*z^5 + 17772*y^2*z^5 - 6325*z^6 + 6325*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)*(y + z)) - ((I/36)*Pi^2*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 302*z^3 + 906*y*z^3 - 906*y^2*z^3 + 237*y^3*z^3 + 6*y^4*z^3 + 1208*z^4 - 2718*y*z^4 + 1812*y^2*z^4 - 240*y^3*z^4 - 1812*z^5 + 2718*y*z^5 - 906*y^2*z^5 + 1208*z^6 - 906*y*z^6 - 302*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[0, 1 - y, 0, z] + ((I/18)*Pi^2*(-1 + z)*z*(-33 + 99*y - 99*y^2 + 40*y^3 + 99*z - 198*y*z + 99*y^2*z - 99*z^2 + 99*y*z^2 + 33*z^3)*G[0, 1 - y, 1, z])/ (y^2*(-1 + y + z)^2) + ((Pi*(18*y^3 - 36*y^4 + 18*y^5 + 45*y^2*z - 42*y^3*z - 39*y^4*z + 36*y^5*z + 107*y*z^2 - 248*y^2*z^2 + 41*y^3*z^2 + 78*y^4*z^2 + 60*z^3 - 422*y*z^3 + 441*y^2*z^3 - 48*y^3*z^3 - 180*z^4 + 523*y*z^4 - 238*y^2*z^4 + 180*z^5 - 208*y*z^5 - 60*z^6))/ (6*y^2*z*(-1 + y + z)*(y + z)) - ((I/108)*(-24*y + 18*y^2 - 579*y^3 + 1824*y^4 - 1899*y^5 + 660*y^6 - 24*z + 186*y*z - 2046*y^2*z + 3672*y^3*z - 411*y^4*z - 2859*y^5*z + 1482*y^6*z + 168*z^2 - 7642*y*z^2 + 23409*y^2*z^2 - 20622*y^3*z^2 - 26*y^4*z^2 + 4713*y^5*z^2 - 6739*z^3 + 41520*y*z^3 - 70039*y^2*z^3 + 39288*y^3*z^3 - 3112*y^4*z^3 + 19395*z^4 - 67054*y*z^4 + 68773*y^2*z^4 - 20196*y^3*z^4 - 19125*z^5 + 39303*y*z^5 - 20178*y^2*z^5 + 6325*z^6 - 6325*y*z^6))/ ((-1 + y)*y^2*z*(-1 + y + z)*(y + z)) + ((I/36)*Pi^2*(-12*y^3 + 36*y^4 - 36*y^5 + 12*y^6 + 12*y^3*z - 36*y^5*z + 24*y^6*z - 3*y*z^2 + 9*y^2*z^2 + 18*y^3*z^2 - 96*y^4*z^2 + 72*y^5*z^2 + 152*z^3 - 447*y*z^3 + 438*y^2*z^3 - 320*y^3*z^3 + 72*y^4*z^3 - 608*z^4 + 1359*y*z^4 - 903*y^2*z^4 + 302*y^3*z^4 + 912*z^5 - 1365*y*z^5 + 456*y^2*z^5 - 608*z^6 + 456*y*z^6 + 152*z^7))/(y^2*z^2*(-1 + y + z)^2))* G[0, 1 - y, 1 - y, z] + (((I/36)*Pi^2*(59*y^3 - 118*y^4 + 59*y^5 - 118*y^4*z + 118*y^5*z - 3*y*z^2 + 6*y^2*z^2 - 183*y^3*z^2 + 236*y^4*z^2 + 284*z^3 - 562*y*z^3 + 278*y^2*z^3 + 118*y^3*z^3 - 852*z^4 + 1133*y*z^4 - 284*y^2*z^4 + 852*z^5 - 568*y*z^5 - 284*z^6))/ (y^2*z^2*(-1 + y + z)) + ((I/216)*(24*y^2 - 48*y^3 + 806*y^4 - 3128*y^5 + 4692*y^6 - 3128*y^7 + 782*y^8 + 72*y*z - 474*y^2*z - 3526*y^3*z + 24580*y^4*z - 64912*y^5*z + 88030*y^6*z - 59674*y^7*z + 15904*y^8*z + 48*z^2 - 474*y*z^2 + 3153*y^2*z^2 + 10506*y^3*z^2 - 84061*y^4*z^2 + 177374*y^5*z^2 - 157846*y^6*z^2 + 51300*y^7*z^2 - 48*z^3 + 17465*y*z^3 - 76472*y^2*z^3 + 96615*y^3*z^3 + 16840*y^4*z^3 - 100408*y^5*z^3 + 46008*y^6*z^3 + 13220*z^4 - 105410*y*z^4 + 260531*y^2*z^4 - 260860*y^3*z^4 + 91536*y^4*z^4 - 1744*y^5*z^4 - 39660*z^5 + 185879*y*z^5 - 302308*y^2*z^5 + 197222*y^3*z^5 - 43860*y^4*z^5 + 39660*z^6 - 124044*y*z^6 + 129108*y^2*z^6 - 44724*y^3*z^6 - 13220*z^7 + 26440*y*z^7 - 13220*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)* (y + z)) - (Pi*(-37*y^4 + 148*y^5 - 222*y^6 + 148*y^7 - 37*y^8 - 211*y^3*z + 1084*y^4*z - 2392*y^5*z + 2782*y^6*z - 1669*y^7*z + 406*y^8*z - 6*y^2*z^2 + 750*y^3*z^2 - 3214*y^4*z^2 + 5552*y^5*z^2 - 4432*y^6*z^2 + 1350*y^7*z^2 + 452*y*z^3 - 1856*y^2*z^3 + 1932*y^3*z^3 + 1318*y^4*z^3 - 2998*y^5*z^3 + 1152*y^6*z^3 + 248*z^4 - 2342*y*z^4 + 6020*y^2*z^4 - 5956*y^3*z^4 + 1917*y^4*z^4 - 40*y^5*z^4 - 744*z^5 + 3824*y*z^5 - 6538*y^2*z^5 + 4247*y^3*z^5 - 942*y^4*z^5 + 744*z^6 - 2430*y*z^6 + 2628*y^2*z^6 - 942*y^3*z^6 - 248*z^7 + 496*y*z^7 - 248*y^2*z^7))/(18*(-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[0, -y, 1 - y, z] + (((-1/36*I)*Pi^2*(-6*y + 18*y^2 - 21*y^3 + 9*y^4 - 40*z + 138*y*z - 156*y^2*z + 243*y^3*z + 160*z^2 - 378*y*z^2 + 258*y^2*z^2 - 222*y^3*z^2 - 240*z^3 + 366*y*z^3 - 120*y^2*z^3 + 160*z^4 - 120*y*z^4 - 40*z^5))/(y^2*(-1 + y + z)^2) + (Pi*(-4*y - 10*y^2 + 54*y^3 - 62*y^4 + 22*y^5 + 8*z - 40*y*z + 69*y^2*z - 6*y^3*z - 75*y^4*z + 44*y^5*z - 32*z^2 + 98*y*z^2 - 61*y^2*z^2 - 139*y^3*z^2 + 134*y^4*z^2 + 48*z^3 - 68*y*z^3 - 8*y^2*z^3 + 48*y^3*z^3 - 32*z^4 + 22*y*z^4 + 10*y^2*z^4 + 8*z^5 - 8*y*z^5))/(6*(-1 + y)*y*z*(-1 + y + z)^2) - ((I/108)*(330*y^2 - 2085*y^3 + 4149*y^4 - 3387*y^5 + 993*y^6 + 552*y*z - 3555*y^2*z + 5532*y^3*z - 249*y^4*z - 4464*y^5*z + 2184*y^6*z + 2220*z^2 - 11646*y*z^2 + 20136*y^2*z^2 - 12604*y^3*z^2 - 5057*y^4*z^2 + 6951*y^5*z^2 - 7260*z^3 + 26223*y*z^3 - 32065*y^2*z^3 + 12179*y^3*z^3 + 359*y^4*z^3 + 8388*z^4 - 20235*y*z^4 + 16921*y^2*z^4 - 5638*y^3*z^4 - 3912*z^5 + 5706*y*z^5 - 1794*y^2*z^5 + 564*z^6 - 564*y*z^6))/ ((-1 + y)*y*z*(-1 + y + z)^2*(y + z)))*G[1, 0, 0, y] + (((-1/9*I)*Pi^2*(-1 + z)*z*(-71 + 213*y - 213*y^2 + 26*y^3 + 213*z - 426*y*z + 213*y^2*z - 213*z^2 + 213*y*z^2 + 71*z^3))/ (y^2*(-1 + y + z)^2) + (2*Pi*(3*y - 3*y^2 + 15*z - 58*y*z + 64*y^2*z - 18*y^3*z + 9*y^4*z - 60*z^2 + 156*y*z^2 - 119*y^2*z^2 + 18*y^3*z^2 + 90*z^3 - 150*y*z^3 + 58*y^2*z^3 - 60*z^4 + 49*y*z^4 + 15*z^5))/(3*y^2*(-1 + y + z)^2) + ((I/108)*(-18*y^2 + 864*y^3 - 2502*y^4 + 2484*y^5 - 828*y^6 + 36*y*z + 306*y^2*z - 2304*y^3*z + 2790*y^4*z - 828*y^6*z + 54*z^2 + 6397*y*z^2 - 26533*y^2*z^2 + 38544*y^3*z^2 - 13962*y^4*z^2 - 5508*y^5*z^2 + 1008*y^6*z^2 + 6037*z^3 - 51467*y*z^3 + 124066*y^2*z^3 - 113832*y^3*z^3 + 31254*y^4*z^3 + 3024*y^5*z^3 - 24736*z^4 + 122380*y*z^4 - 196344*y^2*z^4 + 115632*y^3*z^4 - 16932*y^4*z^4 + 37470*z^5 - 122452*y*z^5 + 124804*y^2*z^5 - 38904*y^3*z^5 - 25150*z^6 + 51431*y*z^6 - 26281*y^2*z^6 + 6325*z^7 - 6325*y*z^7))/((-1 + y)*y^2*z* (-1 + y + z)^2*(y + z)))*G[1, 0, 0, z] + (((I/36)*Pi^2*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 328*z + 993*y*z - 1002*y^2*z + 277*y^3*z + 1312*z^2 - 2961*y*z^2 + 1977*y^2*z^2 - 268*y^3*z^2 - 1968*z^3 + 2955*y*z^3 - 984*y^2*z^3 + 1312*z^4 - 984*y*z^4 - 328*z^5))/(y^2*(-1 + y + z)^2) + ((I/216)*(-120*y + 438*y^2 - 3516*y^3 + 12294*y^4 - 18846*y^5 + 13812*y^6 - 4470*y^7 + 408*y^8 - 120*z + 1110*y*z - 6915*y^2*z + 23991*y^3*z - 37824*y^4*z + 23856*y^5*z - 633*y^6*z - 4281*y^7*z + 816*y^8*z + 672*z^2 - 17655*y*z^2 + 86472*y^2*z^2 - 171462*y^3*z^2 + 166096*y^4*z^2 - 79961*y^5*z^2 + 16348*y^6*z^2 - 510*y^7*z^2 - 15384*z^3 + 134643*y*z^3 - 403083*y^2*z^3 + 568351*y^3*z^3 - 418464*y^4*z^3 + 155223*y^5*z^3 - 21286*y^6*z^3 + 57612*z^4 - 334437*y*z^4 + 715044*y^2*z^4 - 728926*y^3*z^4 + 359978*y^4*z^4 - 66544*y^5*z^4 - 84966*z^5 + 358889*y*z^5 - 550648*y^2*z^5 + 370136*y^3*z^5 - 90684*y^4*z^5 + 56144*z^6 - 170346*y*z^6 + 172260*y^2*z^6 - 58058*y^3*z^6 - 13958*z^7 + 27916*y*z^7 - 13958*y^2*z^7))/((-1 + y)^2*y^2*z* (-1 + y + z)^2*(y + z)) + (Pi*(78*y^3 - 312*y^4 + 468*y^5 - 312*y^6 + 78*y^7 + 165*y^2*z - 789*y^3*z + 1329*y^4*z - 903*y^5*z + 150*y^6*z + 48*y^7*z + 409*y*z^2 - 2498*y^2*z^2 + 5497*y^3*z^2 - 6038*y^4*z^2 + 3766*y^5*z^2 - 1370*y^6*z^2 + 234*y^7*z^2 + 262*z^3 - 2961*y*z^3 + 9921*y^2*z^3 - 15216*y^3*z^3 + 12648*y^4*z^3 - 5712*y^5*z^3 + 1058*y^6*z^3 - 1060*z^4 + 6941*y*z^4 - 15880*y^2*z^4 + 17384*y^3*z^4 - 9538*y^4*z^4 + 2000*y^5*z^4 + 1596*z^5 - 7175*y*z^5 + 11482*y^2*z^5 - 8156*y^3*z^5 + 2100*y^4*z^5 - 1064*z^6 + 3318*y*z^6 - 3444*y^2*z^6 + 1190*y^3*z^6 + 266*z^7 - 532*y*z^7 + 266*y^2*z^7))/(18*(-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)))* G[1, 0, 1, y] - (((31*I)/18)*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 1, z])/(y^2*(-1 + y + z)^2) + (((-1/36*I)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 74*z + 231*y*z - 240*y^2*z + 104*y^3*z + 296*z^2 - 675*y*z^2 + 453*y^2*z^2 - 92*y^3*z^2 - 444*z^3 + 669*y*z^3 - 222*y^2*z^3 + 296*z^4 - 222*y*z^4 - 74*z^5))/(y^2*(-1 + y + z)^2) - ((I/216)*(-1 + z)*(-152 + 507*y - 615*y^2 + 430*y^3 - 30*y^4 + 12*y^5 + 426*z - 426*y*z - 969*y^2*z + 1056*y^3*z - 30*y^4*z + 24*y^5*z - 354*z^2 + 1320*y*z^2 - 4437*y^2*z^2 + 3954*y^3*z^2 + 60*y^4*z^2 + 1406*z^3 - 5106*y*z^3 + 1401*y^2*z^3 + 6296*y^3*z^3 - 3930*z^4 + 5133*y*z^4 + 4620*y^2*z^4 + 3912*z^5 - 1572*y*z^5 - 1308*z^6))/(y^2*z^2*(-1 + y + z)^2) + (Pi*(-1 + z)*(-2 + 6*y - 6*y^2 + 4*y^3 + 6*z - 6*y*z - 12*y^2*z + 12*y^3*z - 6*z^2 + 21*y*z^2 - 63*y^2*z^2 + 54*y^3*z^2 + 45*z^3 - 144*y*z^3 + 78*y^2*z^3 + 92*y^3*z^3 - 129*z^4 + 219*y*z^4 + 3*y^2*z^4 + 129*z^5 - 96*y*z^5 - 43*z^6))/ (9*y^2*z^2*(-1 + y + z)^2))*G[1, 0, 1 - y, z] + (((-1/9*I)*Pi^2*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 8*z + 33*y*z - 42*y^2*z + 15*y^3*z + 32*z^2 - 81*y*z^2 + 57*y^2*z^2 - 6*y^3*z^2 - 48*z^3 + 75*y*z^3 - 24*y^2*z^3 + 32*z^4 - 24*y*z^4 - 8*z^5))/(y^2*(-1 + y + z)^2) - (Pi*(-126*y^4 + 318*y^5 - 258*y^6 + 66*y^7 - 153*y^3*z + 573*y^4*z - 315*y^5*z - 237*y^6*z + 132*y^7*z + 290*y^2*z^2 - 951*y^3*z^2 + 1980*y^4*z^2 - 1913*y^5*z^2 + 882*y^6*z^2 + 172*y*z^3 - 2078*y^2*z^3 + 5577*y^3*z^3 - 5425*y^4*z^3 + 2060*y^5*z^3 + 8*z^4 - 880*y*z^4 + 5244*y^2*z^4 - 7805*y^3*z^4 + 3088*y^4*z^4 - 8*z^5 + 1704*y*z^5 - 5406*y^2*z^5 + 3284*y^3*z^5 - 1416*y*z^6 + 1926*y^2*z^6 + 420*y*z^7))/(18*y^2*z*(-1 + y + z)^2*(y + z)^2) + ((I/216)*(-72*y^3 + 3474*y^4 - 11274*y^5 + 13926*y^6 - 7518*y^7 + 1464*y^8 - 144*y^2*z + 5013*y^3*z - 19920*y^4*z + 21438*y^5*z + 708*y^6*z - 10419*y^7*z + 3324*y^8*z - 72*y*z^2 - 7192*y^2*z^2 + 32371*y^3*z^2 - 78009*y^4*z^2 + 97761*y^5*z^2 - 65307*y^6*z^2 + 20448*y^7*z^2 - 6488*y*z^3 + 67578*y^2*z^3 - 213535*y^3*z^3 + 282756*y^4*z^3 - 173619*y^5*z^3 + 41148*y^6*z^3 - 484*z^4 + 29928*y*z^4 - 180482*y^2*z^4 + 353727*y^3*z^4 - 269367*y^4*z^4 + 62358*y^5*z^4 + 640*z^5 - 52600*y*z^5 + 201558*y^2*z^5 - 230022*y^3*z^5 + 78264*y^4*z^5 - 132*z^6 + 41028*y*z^6 - 92646*y^2*z^6 + 51750*y^3*z^6 - 24*z^7 - 11796*y*z^7 + 11820*y^2*z^7))/((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))* G[1, 1, 0, y] + (((-1/18*I)*Pi^2*(-1 + z)*z*(-41 + 123*y - 123*y^2 + 9*y^3 + 123*z - 246*y*z + 123*y^2*z - 123*z^2 + 123*y*z^2 + 41*z^3))/(y^2*(-1 + y + z)^2) + (Pi*(-1 + z)^2*(-2 + 6*y - 6*y^2 + 4*z - 6*y^2*z - 2*z^2 - 15*y*z^2 + 9*y^2*z^2 + 9*z^3 - 60*y*z^3 + 69*y^2*z^3 - 18*z^4 + 69*y*z^4 + 9*z^5))/(9*y^2*z^2*(-1 + y + z)^2) + ((I/216)*(-1 + z)*(152*y - 659*y^2 + 1122*y^3 - 831*y^4 + 324*y^5 - 108*y^6 + 152*z - 1085*y*z + 1812*y^2*z - 1500*y^3*z + 1809*y^4*z - 1620*y^5*z + 432*y^6*z - 426*z^2 + 1332*y*z^2 + 717*y^2*z^2 - 1932*y^3*z^2 + 165*y^4*z^2 - 432*y^5*z^2 + 576*y^6*z^2 + 642*z^3 - 1196*y*z^3 + 2117*y^2*z^3 - 5292*y^3*z^3 + 2001*y^4*z^3 + 1728*y^5*z^3 - 1664*z^4 + 7676*y*z^4 - 17856*y^2*z^4 + 15042*y^3*z^4 - 2280*y^4*z^4 + 3060*z^5 - 13389*y*z^5 + 18687*y^2*z^5 - 7440*y^3*z^5 - 2502*z^6 + 7248*y*z^6 - 4746*y^2*z^6 + 738*z^7 - 738*y*z^7))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))*G[1, 1, 0, z] + ((-2*Pi*(-3*y + 3*y^2 + 6*z + y*z + 6*y^2*z - 12*z^2 + 2*y*z^2 + 6*z^3))/(y*z) + ((I/36)*Pi^2*(-15*y + 45*y^2 - 45*y^3 + 15*y^4 + 8*z + 21*y*z - 66*y^2*z - 21*y^3*z - 32*z^2 + 27*y*z^2 - 3*y^2*z^2 + 66*y^3*z^2 + 48*z^3 - 57*y*z^3 + 24*y^2*z^3 - 32*z^4 + 24*y*z^4 + 8*z^5))/(y^2*(-1 + y + z)^2) - ((I/12)*(39*y^3 - 39*y^4 + 216*y^2*z - 395*y^3*z + 222*y^4*z + 483*y*z^2 - 1117*y^2*z^2 + 722*y^3*z^2 + 222*z^3 - 1205*y*z^3 + 1000*y^2*z^3 - 444*z^4 + 722*y*z^4 + 222*z^5))/(y*z*(y + z)^2))* G[1, 1, 1, y] + G[-y, 0, z]*((((5*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 0, 1, y])/(y^2*z^2) + (((13*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 1, 0, y])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(9*y^3 + 18*y^3*z + 8*z^3 - 8*z^4)*G[0, 1, 1, y])/(y^2*z^2) - (((13*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1, 0, 0, y])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)* (8*y^3 + 16*y^3*z + 7*z^3 - 7*z^4)*G[1, 0, 1, y])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(23*y^3 + 46*y^3*z - 22*z^3 + 22*z^4)* G[1, 1, 0, y])/(y^2*z^2) - ((I/6)*(-1 + y + z)* (31*y^3 + 62*y^3*z + 40*z^3 - 40*z^4)*G[1, 1, 1, y])/(y^2*z^2)) + G[1 - y, -y, z]*(((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 8*z^3 + 8*z^4)*G[0, 0, 1, y])/(y^2*z^2) + (((13*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 1, 0, y])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(3*y^3 + 6*y^3*z + 7*z^3 - 7*z^4)* G[0, 1, 1, y])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(3*y^3 + 6*y^3*z - 8*z^3 + 8*z^4)*G[1, 0, 0, y])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 4*z^3 - 4*z^4)* G[1, 0, 1, y])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)* (9*y^3 + 18*y^3*z - 13*z^3 + 13*z^4)*G[1, 1, 0, y])/(y^2*z^2) + (((16*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1, 1, 1, y])/(y^2*z^2)) + G[0, -y, z]* ((-((Pi*(-1 + y + z)*(y + 10*z - 10*z^2))/y^2) - ((I/36)*(41*y^4 - 128*y^5 + 156*y^6 - 88*y^7 + 19*y^8 + 89*y^3*z - 289*y^4*z + 245*y^5*z + 35*y^6*z - 118*y^7*z + 38*y^8*z - 111*y^2*z^2 + 481*y^3*z^2 - 1042*y^4*z^2 + 1137*y^5*z^2 - 527*y^6*z^2 + 62*y^7*z^2 - 603*y*z^3 + 3051*y^2*z^3 - 5946*y^3*z^3 + 5276*y^4*z^3 - 1826*y^5*z^3 + 48*y^6*z^3 - 348*z^4 + 3633*y*z^4 - 10317*y^2*z^4 + 11954*y^3*z^4 - 5512*y^4*z^4 + 566*y^5*z^4 + 1320*z^5 - 7410*y*z^5 + 13158*y^2*z^5 - 8960*y^3*z^5 + 1868*y^4*z^5 - 1908*z^6 + 6706*y*z^6 - 7198*y^2*z^6 + 2400*y^3*z^6 + 1240*z^7 - 2618*y*z^7 + 1378*y^2*z^7 - 304*z^8 + 304*y*z^8))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))*G[1, 0, y] + (-1/3*(Pi*(-1 + y + z)*(6*y^3 + 12*y^3*z - 3*y*z^2 + 10*z^3 - 10* z^4))/(y^2*z^2) - ((I/36)*(-53*y^4 + 212*y^5 - 318*y^6 + 212*y^7 - 53*y^8 - 245*y^3*z + 1406*y^4*z - 3614*y^5*z + 4856*y^6*z - 3269*y^7*z + 866*y^8*z + 207*y^2*z^2 + 576*y^3*z^2 - 5417*y^4*z^2 + 11536*y^5*z^2 - 10160*y^6*z^2 + 3258*y^7*z^2 + 1247*y*z^3 - 5522*y^2*z^3 + 6579*y^3*z^3 + 2272*y^4*z^3 - 7888*y^5*z^3 + 3312*y^6*z^3 + 536*z^4 - 5888*y*z^4 + 15887*y^2*z^4 - 15906*y^3*z^4 + 4897*y^4*z^4 + 168*y^5*z^4 - 1608*z^5 + 9107*y*z^5 - 16288*y^2*z^5 + 11021*y^3*z^5 - 2538*y^4*z^5 + 1608*z^6 - 5538*y*z^6 + 6252*y^2*z^6 - 2322*y^3*z^6 - 536*z^7 + 1072*y*z^7 - 536*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[1, 1, y] - ((I/2)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 13*y^3*z^2 - 37*y^4*z^2 + 24*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 11*y^3*z^3 + 24*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 2*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)*G[0, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-1 + y + z)*(9*y^3 + 18*y^3*z + 106*z^3 - 106*z^4)*G[0, 1, 0, y])/(y^2*z^2) - ((I/6)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 + 16*z^3 - 48*y*z^3 + 48*y^2*z^3 - 33*y^3*z^3 + 30*y^4*z^3 - 64*z^4 + 144*y*z^4 - 96*y^2*z^4 + 18*y^3*z^4 + 96*z^5 - 144*y*z^5 + 48*y^2*z^5 - 64*z^6 + 48*y*z^6 + 16*z^7)*G[0, 1, 1, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 27*y^3*z^2 - 27*y^4*z^2 + 12*y^5*z^2 + 60*z^3 - 198*y*z^3 + 216*y^2*z^3 - 73*y^3*z^3 + 12*y^4*z^3 - 240*z^4 + 558*y*z^4 - 378*y^2*z^4 + 46*y^3*z^4 + 360*z^5 - 546*y*z^5 + 180*y^2*z^5 - 240*z^6 + 180*y*z^6 + 60*z^7)*G[1, 0, 0, y])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 24*y^3*z^2 - 78*y^4*z^2 + 54*y^5*z^2 + 8*z^3 - 24*y*z^3 + 24*y^2*z^3 - 42*y^3*z^3 + 54*y^4*z^3 - 32*z^4 + 72*y*z^4 - 48*y^2*z^4 + 18*y^3*z^4 + 48*z^5 - 72*y*z^5 + 24*y^2*z^5 - 32*z^6 + 24*y*z^6 + 8*z^7)*G[1, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-17*y^3 + 51*y^4 - 51*y^5 + 17*y^6 + 17*y^3*z - 51*y^5*z + 34*y^6*z - 3*y*z^2 + 9*y^2*z^2 + 45*y^3*z^2 - 153*y^4*z^2 + 102*y^5*z^2 - 124*z^3 + 381*y*z^3 - 390*y^2*z^3 + 71*y^3*z^3 + 102*y^4*z^3 + 496*z^4 - 1125*y*z^4 + 753*y^2*z^4 - 116*y^3*z^4 - 744*z^5 + 1119*y*z^5 - 372*y^2*z^5 + 496*z^6 - 372*y*z^6 - 124*z^7)*G[1, 1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-1 + y + z)*(10*y^3 + 20*y^3*z - 9*y*z^2 - 2*z^3 + 2*z^4)*G[1, 1, 1, y])/(y^2*z^2)) + G[-y, -y, z]*(((-1/3*I)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 8*z^3 - 8*z^4)*G[0, 0, 1, y])/(y^2*z^2) - (((22*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 1, 0, y])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(17*y^3 + 34*y^3*z - 8*z^3 + 8*z^4)* G[0, 1, 1, y])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(4*y^3 + 8*y^3*z - 3*y*z^2 - 26*z^3 + 26*z^4)*G[1, 0, 0, y])/(y^2*z^2) + (((13*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1, 0, 1, y])/z^2 - ((I/6)*(-1 + y + z)*(38*y^3 + 76*y^3*z - 3*y*z^2 - 110*z^3 + 110*z^4)*G[1, 1, 0, y])/(y^2*z^2) + ((I/2)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4)* G[1, 1, 1, y])/(y^2*z^2)) - ((I/6)*Pi^2*(-1 + z)^2*z* (1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 1, z])/ (y^2*(-1 + y + z)^2) + ((I/18)*Pi^2*(-6*y + 18*y^2 - 24*y^3 + 12*y^4 - 31*z + 111*y*z - 129*y^2*z + 6*y^3*z + 124*z^2 - 297*y*z^2 + 204*y^2*z^2 + 18*y^3*z^2 - 186*z^3 + 285*y*z^3 - 93*y^2*z^3 + 124*z^4 - 93*y*z^4 - 31*z^5)*G[1, 1, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (((I/9)*Pi^2*(-1 + z)*z*(-13 + 39*y - 39*y^2 + 17*y^3 + 39*z - 78*y*z + 39*y^2*z - 39*z^2 + 39*y*z^2 + 13*z^3))/ (y^2*(-1 + y + z)^2) - ((I/216)*(-1 + z)*(-152 + 507*y - 615*y^2 + 430*y^3 - 30*y^4 + 12*y^5 + 426*z - 426*y*z - 969*y^2*z + 1056*y^3*z - 30*y^4*z + 24*y^5*z - 354*z^2 + 1320*y*z^2 - 4437*y^2*z^2 + 3954*y^3*z^2 + 60*y^4*z^2 + 1406*z^3 - 5106*y*z^3 + 1401*y^2*z^3 + 6296*y^3*z^3 - 3930*z^4 + 5133*y*z^4 + 4620*y^2*z^4 + 3912*z^5 - 1572*y*z^5 - 1308*z^6))/ (y^2*z^2*(-1 + y + z)^2) + (Pi*(-1 + z)*(-2 + 6*y - 6*y^2 + 4*y^3 + 6*z - 6*y*z - 12*y^2*z + 12*y^3*z - 6*z^2 + 21*y*z^2 - 63*y^2*z^2 + 54*y^3*z^2 + 45*z^3 - 144*y*z^3 + 78*y^2*z^3 + 92*y^3*z^3 - 129*z^4 + 219*y*z^4 + 3*y^2*z^4 + 129*z^5 - 96*y*z^5 - 43*z^6))/(9*y^2*z^2*(-1 + y + z)^2))* G[1, 1 - y, 0, z] + ((I/18)*Pi^2*(-1 + z)*z*(-20 + 60*y - 60*y^2 + 53*y^3 + 60*z - 120*y*z + 60*y^2*z - 60*z^2 + 60*y*z^2 + 20*z^3)* G[1, 1 - y, 1, z])/(y^2*(-1 + y + z)^2) - ((I/18)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 14*z - 33*y*z + 24*y^2*z - 59*y^3*z - 56*z^2 + 117*y*z^2 - 75*y^2*z^2 + 71*y^3*z^2 + 84*z^3 - 123*y*z^3 + 42*y^2*z^3 - 56*z^4 + 42*y*z^4 + 14*z^5)*G[1, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (-1/3*(Pi*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 30*z^2 + 66*y*z^2 - 13*y^2*z^2 + 9*y^3*z^2 + 90*z^3 - 102*y*z^3 + 3*y^2*z^3 - 90*z^4 + 46*y*z^4 + 30*z^5))/ (y^2*z*(-1 + y + z)) + ((I/108)*(-18*y^2 - 228*y^3 + 774*y^4 - 792*y^5 + 264*y^6 + 36*y*z + 552*y^2*z - 1314*y^3*z + 1464*y^4*z - 1302*y^5*z + 564*y^6*z + 54*z^2 + 5791*y*z^2 - 17616*y^2*z^2 + 16449*y^3*z^2 - 4900*y^4*z^2 + 222*y^5*z^2 + 6091*z^3 - 35253*y*z^3 + 55066*y^2*z^3 - 29214*y^3*z^3 + 2392*y^4*z^3 - 18645*z^4 + 59698*y*z^4 - 56152*y^2*z^4 + 14181*y^3*z^4 + 18825*z^5 - 36597*y*z^5 + 17772*y^2*z^5 - 6325*z^6 + 6325*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)*(y + z)) + ((I/18)*Pi^2*(-10*y^3 + 30*y^4 - 30*y^5 + 10*y^6 + 10*y^3*z - 30*y^5*z + 20*y^6*z + 30*y^3*z^2 - 90*y^4*z^2 + 60*y^5*z^2 + 142*z^3 - 426*y*z^3 + 426*y^2*z^3 - 193*y^3*z^3 + 60*y^4*z^3 - 568*z^4 + 1278*y*z^4 - 852*y^2*z^4 + 163*y^3*z^4 + 852*z^5 - 1278*y*z^5 + 426*y^2*z^5 - 568*z^6 + 426*y*z^6 + 142*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1 - y, 0, 0, z] + ((I/36)*Pi^2*(-11*y^3 + 33*y^4 - 33*y^5 + 11*y^6 + 11*y^3*z - 33*y^5*z + 22*y^6*z + 33*y^3*z^2 - 99*y^4*z^2 + 66*y^5*z^2 + 66*z^3 - 198*y*z^3 + 198*y^2*z^3 - 137*y^3*z^3 + 66*y^4*z^3 - 264*z^4 + 594*y*z^4 - 396*y^2*z^4 + 104*y^3*z^4 + 396*z^5 - 594*y*z^5 + 198*y^2*z^5 - 264*z^6 + 198*y*z^6 + 66*z^7)* G[1 - y, 0, 1, z])/(y^2*z^2*(-1 + y + z)^2) + ((Pi*(18*y^3 - 36*y^4 + 18*y^5 + 45*y^2*z - 42*y^3*z - 39*y^4*z + 36*y^5*z + 107*y*z^2 - 248*y^2*z^2 + 41*y^3*z^2 + 78*y^4*z^2 + 60*z^3 - 422*y*z^3 + 441*y^2*z^3 - 48*y^3*z^3 - 180*z^4 + 523*y*z^4 - 238*y^2*z^4 + 180*z^5 - 208*y*z^5 - 60*z^6))/ (6*y^2*z*(-1 + y + z)*(y + z)) - ((I/108)*(-24*y + 18*y^2 - 579*y^3 + 1824*y^4 - 1899*y^5 + 660*y^6 - 24*z + 186*y*z - 2046*y^2*z + 3672*y^3*z - 411*y^4*z - 2859*y^5*z + 1482*y^6*z + 168*z^2 - 7642*y*z^2 + 23409*y^2*z^2 - 20622*y^3*z^2 - 26*y^4*z^2 + 4713*y^5*z^2 - 6739*z^3 + 41520*y*z^3 - 70039*y^2*z^3 + 39288*y^3*z^3 - 3112*y^4*z^3 + 19395*z^4 - 67054*y*z^4 + 68773*y^2*z^4 - 20196*y^3*z^4 - 19125*z^5 + 39303*y*z^5 - 20178*y^2*z^5 + 6325*z^6 - 6325*y*z^6))/ ((-1 + y)*y^2*z*(-1 + y + z)*(y + z)) - ((I/36)*Pi^2*(-51*y^3 + 153*y^4 - 153*y^5 + 51*y^6 + 51*y^3*z - 153*y^5*z + 102*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 159*y^3*z^2 - 459*y^4*z^2 + 306*y^5*z^2 - 170*z^3 + 501*y*z^3 - 492*y^2*z^3 - 127*y^3*z^3 + 306*y^4*z^3 + 680*z^4 - 1521*y*z^4 + 1011*y^2*z^4 - 32*y^3*z^4 - 1020*z^5 + 1527*y*z^5 - 510*y^2*z^5 + 680*z^6 - 510*y*z^6 - 170*z^7))/(y^2*z^2*(-1 + y + z)^2))* G[1 - y, 0, 1 - y, z] + (((I/36)*Pi^2*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 - 132*z^3 + 396*y*z^3 - 396*y^2*z^3 + 191*y^3*z^3 + 54*y^4*z^3 + 528*z^4 - 1188*y*z^4 + 792*y^2*z^4 - 218*y^3*z^4 - 792*z^5 + 1188*y*z^5 - 396*y^2*z^5 + 528*z^6 - 396*y*z^6 - 132*z^7))/ (y^2*z^2*(-1 + y + z)^2) + ((I/216)*(-48*y^2 + 366*y^3 - 4416*y^4 + 21498*y^5 - 47502*y^6 + 53244*y^7 - 29754*y^8 + 6612*y^9 - 96*y*z + 828*y^2*z - 10197*y^3*z + 50661*y^4*z - 104913*y^5*z + 87801*y^6*z - 2010*y^7*z - 36882*y^8*z + 14808*y^9*z - 48*z^2 + 558*y*z^2 - 13988*y^2*z^2 + 73957*y^3*z^2 - 137096*y^4*z^2 + 46005*y^5*z^2 + 157014*y^6*z^2 - 193038*y^7*z^2 + 66636*y^8*z^2 + 96*z^3 - 24202*y*z^3 + 155620*y^2*z^3 - 364466*y^3*z^3 + 329456*y^4*z^3 + 39585*y^5*z^3 - 234081*y^6*z^3 + 97992*y^7*z^3 - 13268*z^4 + 158252*y*z^4 - 562204*y^2*z^4 + 862924*y^3*z^4 - 556500*y^4*z^4 + 71301*y^5*z^4 + 36768*y^6*z^4 + 52880*z^5 - 359470*y*z^5 + 857350*y^2*z^5 - 912529*y^3*z^5 + 418847*y^4*z^5 - 62532*y^5*z^5 - 79320*z^6 + 365314*y*z^6 - 599290*y^2*z^6 + 411521*y^3*z^6 - 100952*y^4*z^6 + 52880*z^7 - 166796*y*z^7 + 174952*y^2*z^7 - 61036*y^3*z^7 - 13220*z^8 + 26440*y*z^8 - 13220*y^2*z^8))/((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) - (Pi*(-132*y^4 + 792*y^5 - 1848*y^6 + 2112*y^7 - 1188*y^8 + 264*y^9 - 270*y^3*z + 1746*y^4*z - 4014*y^5*z + 3738*y^6*z - 540*y^7*z - 1188*y^8*z + 528*y^9*z - 194*y^2*z^2 + 1366*y^3*z^2 - 2636*y^4*z^2 - 390*y^5*z^2 + 6570*y^6*z^2 - 7092*y^7*z^2 + 2376*y^8*z^2 - 457*y*z^3 + 2635*y^2*z^3 - 5036*y^3*z^3 + 854*y^4*z^3 + 9396*y^5*z^3 - 11292*y^6*z^3 + 3900*y^7*z^3 - 248*z^4 + 2909*y*z^4 - 9406*y^2*z^4 + 11566*y^3*z^4 - 1956*y^4*z^4 - 5850*y^5*z^4 + 2832*y^6*z^4 + 992*z^5 - 6481*y*z^5 + 14263*y^2*z^5 - 12778*y^3*z^5 + 3416*y^4*z^5 + 282*y^5*z^5 - 1488*z^6 + 6559*y*z^6 - 10126*y^2*z^6 + 6194*y^3*z^6 - 1292*y^4*z^6 + 992*z^7 - 3026*y*z^7 + 3076*y^2*z^7 - 1042*y^3*z^7 - 248*z^8 + 496*y*z^8 - 248*y^2*z^8))/ (18*(-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[1 - y, 1, 0, z] - ((I/18)*Pi^2*(-1 + z)*z*(-30 + 90*y - 90*y^2 + 47*y^3 + 90*z - 180*y*z + 90*y^2*z - 90*z^2 + 90*y*z^2 + 30*z^3)*G[1 - y, 1, 1, z])/ (y^2*(-1 + y + z)^2) - ((I/36)*Pi^2*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 15*y^3*z^2 - 69*y^4*z^2 + 54*y^5*z^2 - 98*z^3 + 339*y*z^3 - 384*y^2*z^3 + 143*y^3*z^3 + 54*y^4*z^3 + 392*z^4 - 927*y*z^4 + 633*y^2*z^4 - 128*y^3*z^4 - 588*z^5 + 897*y*z^5 - 294*y^2*z^5 + 392*z^6 - 294*y*z^6 - 98*z^7)*G[1 - y, 1, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((Pi*(18*y^3 - 36*y^4 + 18*y^5 + 45*y^2*z - 42*y^3*z - 39*y^4*z + 36*y^5*z + 107*y*z^2 - 248*y^2*z^2 + 41*y^3*z^2 + 78*y^4*z^2 + 60*z^3 - 422*y*z^3 + 441*y^2*z^3 - 48*y^3*z^3 - 180*z^4 + 523*y*z^4 - 238*y^2*z^4 + 180*z^5 - 208*y*z^5 - 60*z^6))/ (6*y^2*z*(-1 + y + z)*(y + z)) - ((I/108)*(-24*y + 18*y^2 - 579*y^3 + 1824*y^4 - 1899*y^5 + 660*y^6 - 24*z + 186*y*z - 2046*y^2*z + 3672*y^3*z - 411*y^4*z - 2859*y^5*z + 1482*y^6*z + 168*z^2 - 7642*y*z^2 + 23409*y^2*z^2 - 20622*y^3*z^2 - 26*y^4*z^2 + 4713*y^5*z^2 - 6739*z^3 + 41520*y*z^3 - 70039*y^2*z^3 + 39288*y^3*z^3 - 3112*y^4*z^3 + 19395*z^4 - 67054*y*z^4 + 68773*y^2*z^4 - 20196*y^3*z^4 - 19125*z^5 + 39303*y*z^5 - 20178*y^2*z^5 + 6325*z^6 - 6325*y*z^6))/ ((-1 + y)*y^2*z*(-1 + y + z)*(y + z)) + ((I/36)*Pi^2*(-7*y^3 + 21*y^4 - 21*y^5 + 7*y^6 + 7*y^3*z - 21*y^5*z + 14*y^6*z + 21*y^3*z^2 - 63*y^4*z^2 + 42*y^5*z^2 + 162*z^3 - 486*y*z^3 + 486*y^2*z^3 - 213*y^3*z^3 + 42*y^4*z^3 - 648*z^4 + 1458*y*z^4 - 972*y^2*z^4 + 192*y^3*z^4 + 972*z^5 - 1458*y*z^5 + 486*y^2*z^5 - 648*z^6 + 486*y*z^6 + 162*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1 - y, 1 - y, 0, z] - ((I/36)*Pi^2*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 + 18*z^3 - 54*y*z^3 + 54*y^2*z^3 - 47*y^3*z^3 + 30*y^4*z^3 - 72*z^4 + 162*y*z^4 - 108*y^2*z^4 + 32*y^3*z^4 + 108*z^5 - 162*y*z^5 + 54*y^2*z^5 - 72*z^6 + 54*y*z^6 + 18*z^7)*G[1 - y, 1 - y, 1, z])/ (y^2*z^2*(-1 + y + z)^2) + ((-2*Pi*(-3*y + 3*y^2 + 6*z + y*z + 6*y^2*z - 12*z^2 + 2*y*z^2 + 6*z^3))/(y*z) - ((I/12)*(39*y^3 - 39*y^4 + 216*y^2*z - 395*y^3*z + 222*y^4*z + 483*y*z^2 - 1117*y^2*z^2 + 722*y^3*z^2 + 222*z^3 - 1205*y*z^3 + 1000*y^2*z^3 - 444*z^4 + 722*y*z^4 + 222*z^5))/(y*z*(y + z)^2) + ((I/36)*Pi^2*(-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 + 18*y^3*z - 54*y^5*z + 36*y^6*z - 9*y*z^2 + 27*y^2*z^2 + 27*y^3*z^2 - 153*y^4*z^2 + 108*y^5*z^2 + 36*z^3 - 81*y*z^3 + 54*y^2*z^3 - 91*y^3*z^3 + 108*y^4*z^3 - 144*z^4 + 297*y*z^4 - 189*y^2*z^4 + 64*y^3*z^4 + 216*z^5 - 315*y*z^5 + 108*y^2*z^5 - 144*z^6 + 108*y*z^6 + 36*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1 - y, 1 - y, 1 - y, z] + ((((-31*I)/9)*Pi^2*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (y^2*z^2) + (Pi*(4 - 16*y + 24*y^2 - 111*y^3 + 384*y^4 - 570*y^5 + 380*y^6 - 95*y^7 - 12*z + 28*y*z - 180*y^2*z + 888*y^3*z - 1950*y^4*z + 2154*y^5*z - 1194*y^6*z + 266*y^7*z + 12*z^2 - 47*y*z^2 + 442*y^2*z^2 - 1418*y^3*z^2 + 2188*y^4*z^2 - 1727*y^5*z^2 + 550*y^6*z^2 - 270*z^3 + 1156*y*z^3 - 1942*y^2*z^3 + 2158*y^3*z^3 - 1494*y^4*z^3 + 392*y^5*z^3 + 798*z^4 - 2735*y*z^4 + 3288*y^2*z^4 - 1896*y^3*z^4 + 392*y^4*z^4 - 798*z^5 + 2146*y*z^5 - 1898*y^2*z^5 + 550*y^3*z^5 + 266*z^6 - 532*y*z^6 + 266*y^2*z^6))/(18*(-1 + y)^2*y^2*z^2* (-1 + y + z)) - ((I/216)*(152 - 635*y + 912*y^2 - 247*y^3 - 716*y^4 + 843*y^5 - 364*y^6 + 55*y^7 - 474*z + 1196*y*z - 6342*y^2*z + 29238*y^3*z - 68686*y^4*z + 85848*y^5*z - 54738*y^6*z + 13958*y^7*z + 690*z^2 + 1730*y*z^2 - 3028*y^2*z^2 - 21409*y^3*z^2 + 68686*y^4*z^2 - 73823*y^5*z^2 + 27154*y^6*z^2 - 14884*z^3 + 51480*y*z^3 - 62762*y^2*z^3 + 44830*y^3*z^3 - 28608*y^4*z^3 + 9944*y^5*z^3 + 42720*z^4 - 137261*y*z^4 + 153390*y^2*z^4 - 71520*y^3*z^4 + 9944*y^4*z^4 - 42162*z^5 + 111478*y*z^5 - 96470*y^2*z^5 + 27154*y^3*z^5 + 13958*z^6 - 27916*y*z^6 + 13958*y^2*z^6))/((-1 + y)^2*y^2*z^2*(-1 + y + z)))* G[1 - y, -y, 1 - y, z] - ((I/36)*Pi^2*(-1 + y + z)* (11*y^3 + 22*y^3*z + 2*z^3 - 2*z^4)*G[-y, 0, 1, z])/(y^2*z^2) + (((-1/36*I)*Pi^2*(-1 + y + z)*(31*y^3 + 62*y^3*z - 104*z^3 + 104*z^4))/ (y^2*z^2) - (Pi*(-26*y^4 + 90*y^5 - 90*y^6 + 30*y^7 + 40*y^3*z - 106*y^4*z + 156*y^5*z - 162*y^6*z + 72*y^7*z + 105*y^2*z^2 - 289*y^3*z^2 + 321*y^4*z^2 - 285*y^5*z^2 + 156*y^6*z^2 + 157*y*z^3 - 654*y^2*z^3 + 507*y^3*z^3 + 58*y^4*z^3 - 30*y^5*z^3 + 82*z^4 - 901*y*z^4 + 1641*y^2*z^4 - 530*y^3*z^4 - 154*y^4*z^4 - 340*z^5 + 1725*y*z^5 - 1728*y^2*z^5 + 284*y^3*z^5 + 516*z^6 - 1391*y*z^6 + 648*y^2*z^6 - 344*z^7 + 410*y*z^7 + 86*z^8))/ (18*y^2*z^2*(-1 + y + z)^2*(y + z)) + ((I/216)*(72*y^2 - 198*y^3 - 203*y^4 + 1599*y^5 - 1680*y^6 + 562*y^7 + 144*y*z - 684*y^2*z + 2191*y^3*z - 4084*y^4*z + 4722*y^5*z - 3584*y^6*z + 1376*y^7*z + 72*z^2 - 774*y*z^2 + 5094*y^2*z^2 - 8617*y^3*z^2 + 4890*y^4*z^2 - 1950*y^5*z^2 + 1676*y^6*z^2 - 288*z^3 + 5350*y*z^3 - 18690*y^2*z^3 + 8610*y^3*z^3 + 10258*y^4*z^3 - 4692*y^5*z^3 + 1570*z^4 - 21100*y*z^4 + 37764*y^2*z^4 - 7064*y^3*z^4 - 6736*y^4*z^4 - 5344*z^5 + 35568*y*z^5 - 36654*y^2*z^5 + 5396*y^3*z^5 + 7926*z^6 - 26772*y*z^6 + 13416*y^2*z^6 - 5244*z^7 + 7584*y*z^7 + 1308*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 0, 1 - y, z] + (((-1/18*I)*Pi^2*(-1 + y + z)*(16*y^3 + 32*y^3*z - 41*z^3 + 41*z^4))/ (y^2*z^2) - (Pi*(-26*y^4 + 90*y^5 - 90*y^6 + 30*y^7 + 40*y^3*z - 106*y^4*z + 156*y^5*z - 162*y^6*z + 72*y^7*z + 105*y^2*z^2 - 289*y^3*z^2 + 321*y^4*z^2 - 285*y^5*z^2 + 156*y^6*z^2 + 157*y*z^3 - 654*y^2*z^3 + 507*y^3*z^3 + 58*y^4*z^3 - 30*y^5*z^3 + 82*z^4 - 901*y*z^4 + 1641*y^2*z^4 - 530*y^3*z^4 - 154*y^4*z^4 - 340*z^5 + 1725*y*z^5 - 1728*y^2*z^5 + 284*y^3*z^5 + 516*z^6 - 1391*y*z^6 + 648*y^2*z^6 - 344*z^7 + 410*y*z^7 + 86*z^8))/ (18*y^2*z^2*(-1 + y + z)^2*(y + z)) + ((I/216)*(72*y^2 - 198*y^3 - 203*y^4 + 1599*y^5 - 1680*y^6 + 562*y^7 + 144*y*z - 684*y^2*z + 2191*y^3*z - 4084*y^4*z + 4722*y^5*z - 3584*y^6*z + 1376*y^7*z + 72*z^2 - 774*y*z^2 + 5094*y^2*z^2 - 8617*y^3*z^2 + 4890*y^4*z^2 - 1950*y^5*z^2 + 1676*y^6*z^2 - 288*z^3 + 5350*y*z^3 - 18690*y^2*z^3 + 8610*y^3*z^3 + 10258*y^4*z^3 - 4692*y^5*z^3 + 1570*z^4 - 21100*y*z^4 + 37764*y^2*z^4 - 7064*y^3*z^4 - 6736*y^4*z^4 - 5344*z^5 + 35568*y*z^5 - 36654*y^2*z^5 + 5396*y^3*z^5 + 7926*z^6 - 26772*y*z^6 + 13416*y^2*z^6 - 5244*z^7 + 7584*y*z^7 + 1308*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 1 - y, 0, z] - ((I/36)*Pi^2*(-1 + y + z)*(11*y^3 + 22*y^3*z + 2*z^3 - 2*z^4)* G[-y, 1 - y, 1, z])/(y^2*z^2) + (((-1/12*I)*Pi^2*(-1 + y + z)*(42*y^3 + 84*y^3*z - y*z^2 - 84*z^3 + 84*z^4))/(y^2*z^2) + (Pi*(44*y^3 - 44*y^4 + 54*y^2*z - 104*y^3*z + 60*y^4*z - 5*y*z^2 - 15*y^2*z^2 + 44*y^3*z^2 + 60*z^3 - 39*y*z^3 + 4*y^2*z^3 - 120*z^4 + 44*y*z^4 + 60*z^5))/ (6*y^2*z^2) - ((I/108)*(24*y - 6*y^2 + 127*y^3 - 522*y^4 + 603*y^5 - 226*y^6 + 24*z - 174*y*z + 1749*y^2*z - 9699*y^3*z + 21061*y^4*z - 19286*y^5*z + 6325*y^6*z - 168*z^2 - 261*y*z^2 + 951*y^2*z^2 + 9144*y^3*z^2 - 21335*y^4*z^2 + 11669*y^5*z^2 + 6739*z^3 - 17241*y*z^3 + 11718*y^2*z^3 - 4508*y^3*z^3 + 2374*y^4*z^3 - 19395*z^4 + 42157*y*z^4 - 26054*y^2*z^4 + 2374*y^3*z^4 + 19125*z^5 - 30794*y*z^5 + 11669*y^2*z^5 - 6325*z^6 + 6325*y*z^6))/((-1 + y)*y^2*z^2*(-1 + y + z)))* G[-y, 1 - y, 1 - y, z] + (((I/36)*Pi^2*(-1 + y + z)*(23*y^3 + 46*y^3*z + 3*y*z^2 - 46*z^3 + 46*z^4))/(y^2*z^2) + (Pi*(-13*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 126*y^2*z - 347*y^3*z + 354*y^4*z - 147*y^5*z + 18*y^6*z - 189*y*z^2 + 279*y^2*z^2 - 72*y^3*z^2 - 30*y^5*z^2 + 14*z^3 + 585*y*z^3 - 1206*y^2*z^3 + 900*y^3*z^3 - 282*y^4*z^3 - 68*z^4 - 645*y*z^4 + 1095*y^2*z^4 - 468*y^3*z^4 + 108*z^5 + 279*y*z^5 - 282*y^2*z^5 - 72*z^6 - 30*y*z^6 + 18*z^7))/ (18*y^2*z^2*(-1 + y + z)^2) - ((I/216)*(-24*y + 84*y^2 + 191*y^3 - 926*y^4 + 1557*y^5 - 1224*y^6 + 342*y^7 - 24*z + 168*y*z - 3288*y^2*z + 11317*y^3*z - 16123*y^4*z + 11490*y^5*z - 4278*y^6*z + 738*y^7*z + 84*z^2 + 4767*y*z^2 - 13746*y^2*z^2 + 13512*y^3*z^2 - 4968*y^4*z^2 - 69*y^5*z^2 + 420*y^6*z^2 - 376*z^3 - 15431*y*z^3 + 49305*y^2*z^3 - 56205*y^3*z^3 + 28245*y^4*z^3 - 5538*y^5*z^3 + 1936*z^4 + 14567*y*z^4 - 42888*y^2*z^4 + 35907*y^3*z^4 - 10440*y^4*z^4 - 3546*z^5 - 1701*y*z^5 + 9867*y^2*z^5 - 5538*y^3*z^5 + 2664*z^6 - 3084*y*z^6 + 420*y^2*z^6 - 738*z^7 + 738*y*z^7))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2))*G[-y, -y, 1 - y, z] + ((I/3)*(-17*y + 17*y^2 + 54*z - 37*y*z + 34*y^2*z - 108*z^2 + 54*y*z^2 + 54*z^3)*G[0, 0, 0, 0, y])/(z*(-1 + y + z)) + ((I/3)*(3*y - 3*y^2 + 34*z - 57*y*z + 54*y^2*z - 68*z^2 + 54*y*z^2 + 34*z^3)*G[0, 0, 0, 0, z])/(y*(-1 + y + z)) + (-1/3*(Pi*(-3*y^3 + 3*y^4 - 24*z + 72*y*z - 72*y^2*z - 17*y^3*z + 96*z^2 - 216*y*z^2 + 144*y^2*z^2 + 20*y^3*z^2 - 144*z^3 + 216*y*z^3 - 72*y^2*z^3 + 96*z^4 - 72*y*z^4 - 24*z^5))/ (y^2*(-1 + y + z)^2) - ((I/12)*(4*y^2 - 40*y^3 + 96*y^4 - 88*y^5 + 28*y^6 - 14*y*z + 124*y^2*z - 341*y^3*z + 422*y^4*z - 247*y^5*z + 56*y^6*z + 198*z^2 - 554*y*z^2 + 198*y^2*z^2 + 609*y^3*z^2 - 669*y^4*z^2 + 218*y^5*z^2 - 720*z^3 + 1689*y*z^3 - 834*y^2*z^3 - 349*y^3*z^3 + 234*y^4*z^3 + 1008*z^4 - 1891*y*z^4 + 831*y^2*z^4 + 52*y^3*z^4 - 640*z^5 + 912*y*z^5 - 272*y^2*z^5 + 154*z^6 - 154*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)^2))*G[0, 0, 0, 1, y] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 69*z^2 + 116*y*z^2 + 8*y^2*z^2 + 21*y^3*z^2 + 207*z^3 - 202*y*z^3 - 18*y^2*z^3 - 207*z^4 + 96*y*z^4 + 69*z^5))/ (y^2*z*(-1 + y + z)))*G[0, 0, 0, 1 - y, z] + ((Pi*(-y^3 + y^4 + 6*z - 18*y*z + 18*y^2*z - 3*y^3*z - 24*z^2 + 54*y*z^2 - 36*y^2*z^2 + 4*y^3*z^2 + 36*z^3 - 54*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5))/(y^2*(-1 + y + z)^2) + ((I/18)*(78*y^4 - 327*y^5 + 513*y^6 - 357*y^7 + 93*y^8 + 126*y^3*z - 612*y^4*z + 738*y^5*z + 24*y^6*z - 462*y^7*z + 186*y^8*z - 117*y^2*z^2 + 498*y^3*z^2 - 1794*y^4*z^2 + 3415*y^5*z^2 - 3145*y^6*z^2 + 1125*y^7*z^2 + 87*y*z^3 + 540*y^2*z^3 - 3762*y^3*z^3 + 7586*y^4*z^3 - 6807*y^5*z^3 + 2398*y^6*z^3 + 99*z^4 - 408*y*z^4 - 1668*y^2*z^4 + 7057*y^3*z^4 - 7860*y^4*z^4 + 2918*y^5*z^4 - 318*z^5 + 441*y*z^5 + 2576*y^2*z^5 - 5055*y^3*z^5 + 2434*y^4*z^5 + 366*z^6 - 107*y*z^6 - 1425*y^2*z^6 + 1166*y^3*z^6 - 178*z^7 + 18*y*z^7 + 160*y^2*z^7 + 31*z^8 - 31*y*z^8))/((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))* G[0, 0, 1, 0, y] + ((2*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(y^2*(-1 + y + z)^2) + ((I/36)*(342*y^4 - 1368*y^5 + 2052*y^6 - 1368*y^7 + 342*y^8 + 621*y^3*z - 2547*y^4*z + 3231*y^5*z - 621*y^6*z - 1368*y^7*z + 684*y^8*z + 686*y^2*z^2 - 3601*y^3*z^2 + 4970*y^4*z^2 + 567*y^5*z^2 - 4926*y^6*z^2 + 2160*y^7*z^2 + 144*y^8*z^2 + 1519*y*z^3 - 9943*y^2*z^3 + 23006*y^3*z^3 - 22658*y^4*z^3 + 9693*y^5*z^3 - 2193*y^6*z^3 + 576*y^7*z^3 + 806*z^4 - 9977*y*z^4 + 36082*y^2*z^4 - 57250*y^3*z^4 + 45972*y^4*z^4 - 18855*y^5*z^4 + 2916*y^6*z^4 - 3068*z^5 + 21553*y*z^5 - 52707*y^2*z^5 + 59681*y^3*z^5 - 32803*y^4*z^5 + 6732*y^5*z^5 + 4380*z^6 - 20723*y*z^6 + 34916*y^2*z^6 - 25849*y^3*z^6 + 6970*y^4*z^6 - 2788*z^7 + 8968*y*z^7 - 9572*y^2*z^7 + 3392*y^3*z^7 + 670*z^8 - 1340*y*z^8 + 670*y^2*z^8))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[0, 0, 1, 0, z] + ((-20*Pi*(-1 + z)*z*(-1 + y + z))/(3*y^2) + ((I/18)*(-18*y^3 + 210*y^4 - 660*y^5 + 900*y^6 - 570*y^7 + 138*y^8 - 63*y^2*z + 435*y^3*z - 1152*y^4*z + 1200*y^5*z - 93*y^6*z - 603*y^7*z + 276*y^8*z - 407*y*z^2 + 2272*y^2*z^2 - 4940*y^3*z^2 + 4538*y^4*z^2 - 649*y^5*z^2 - 1474*y^6*z^2 + 660*y^7*z^2 - 302*z^3 + 3099*y*z^3 - 10038*y^2*z^3 + 14278*y^3*z^3 - 8613*y^4*z^3 + 1224*y^5*z^3 + 352*y^6*z^3 + 1172*z^4 - 7372*y*z^4 + 16544*y^2*z^4 - 16349*y^3*z^4 + 6724*y^4*z^4 - 872*y^5*z^4 - 1722*z^5 + 7640*y*z^5 - 12118*y^2*z^5 + 7871*y^3*z^5 - 1824*y^4*z^5 + 1136*z^6 - 3540*y*z^6 + 3672*y^2*z^6 - 1268*y^3*z^6 - 284*z^7 + 568*y*z^7 - 284*y^2*z^7))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)))*G[0, 0, 1, 1, y] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 69*z^2 + 116*y*z^2 + 8*y^2*z^2 + 21*y^3*z^2 + 207*z^3 - 202*y*z^3 - 18*y^2*z^3 - 207*z^4 + 96*y*z^4 + 69*z^5))/ (y^2*z*(-1 + y + z)))*G[0, 0, 1 - y, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/18)*(66*y^3 - 132*y^4 + 66*y^5 + 87*y^2*z - 102*y^3*z - 117*y^4*z + 132*y^5*z + 271*y*z^2 - 512*y^2*z^2 - 137*y^3*z^2 + 240*y^4*z^2 + 190*z^3 - 1112*y*z^3 + 887*y^2*z^3 + 26*y^3*z^3 - 570*z^4 + 1411*y*z^4 - 462*y^2*z^4 + 570*z^5 - 570*y*z^5 - 190*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[0, 0, 1 - y, 1 - y, z] + ((Pi*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 24*y^3*z^2 - 42*y^4*z^2 + 24*y^5*z^2 + 42*z^3 - 135*y*z^3 + 144*y^2*z^3 - 30*y^3*z^3 + 24*y^4*z^3 - 168*z^4 + 387*y*z^4 - 261*y^2*z^4 + 6*y^3*z^4 + 252*z^5 - 381*y*z^5 + 126*y^2*z^5 - 168*z^6 + 126*y*z^6 + 42*z^7))/(3*y^2*z^2*(-1 + y + z)^2) + ((I/36)*(70*y^4 - 350*y^5 + 700*y^6 - 700*y^7 + 350*y^8 - 70*y^9 + 448*y^3*z - 3036*y^4*z + 8508*y^5*z - 12632*y^6*z + 10488*y^7*z - 4620*y^8*z + 844*y^9*z + 45*y^2*z^2 - 2317*y^3*z^2 + 11321*y^4*z^2 - 23647*y^5*z^2 + 25510*y^6*z^2 - 14048*y^7*z^2 + 3136*y^8*z^2 - 19*y*z^3 + 680*y^2*z^3 + 479*y^3*z^3 - 8782*y^4*z^3 + 17294*y^5*z^3 - 13444*y^6*z^3 + 3792*y^7*z^3 + 482*z^4 - 2025*y*z^4 + 1719*y^2*z^4 + 1014*y^3*z^4 - 1011*y^4*z^4 - 1269*y^5*z^4 + 1090*y^6*z^4 - 2000*z^5 + 7693*y*z^5 - 9974*y^2*z^5 + 3679*y^3*z^5 + 1852*y^4*z^5 - 944*y^5*z^5 + 3108*z^6 - 10187*y*z^6 + 11692*y^2*z^6 - 4589*y^3*z^6 + 282*y^4*z^6 - 2132*z^7 + 5622*y*z^7 - 4848*y^2*z^7 + 1358*y^3*z^7 + 542*z^8 - 1084*y*z^8 + 542*y^2*z^8))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[0, 0, -y, 1 - y, z] + ((-4*Pi*(1 + y - z)*(-1 + z)*z*(1 - 4*y + 7*y^2 - 2*z + 4*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/36)*(-132*y^4 + 252*y^5 + 36*y^6 - 300*y^7 + 144*y^8 - 270*y^3*z + 552*y^4*z + 186*y^5*z - 624*y^6*z - 132*y^7*z + 288*y^8*z + 392*y^2*z^2 - 1124*y^3*z^2 + 1566*y^4*z^2 - 306*y^5*z^2 - 2292*y^6*z^2 + 1800*y^7*z^2 + 292*y*z^3 - 1752*y^2*z^3 + 2387*y^3*z^3 + 930*y^4*z^3 - 5343*y^5*z^3 + 3738*y^6*z^3 + 68*z^4 - 822*y*z^4 + 1402*y^2*z^4 + 1953*y^3*z^4 - 6177*y^4*z^4 + 3972*y^5*z^4 - 188*z^5 + 635*y*z^5 + 1108*y^2*z^5 - 4069*y^3*z^5 + 2694*y^4*z^5 + 204*z^6 - 37*y*z^6 - 1299*y^2*z^6 + 1132*y^3*z^6 - 104*z^7 - 60*y*z^7 + 164*y^2*z^7 + 20*z^8 - 20*y*z^8))/ ((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[0, 1, 0, 0, y] + ((32*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(138*y^4 - 552*y^5 + 828*y^6 - 552*y^7 + 138*y^8 + 279*y^3*z - 1113*y^4*z + 1389*y^5*z - 279*y^6*z - 552*y^7*z + 276*y^8*z + 205*y^2*z^2 - 1142*y^3*z^2 + 1396*y^4*z^2 + 702*y^5*z^2 - 1941*y^6*z^2 + 672*y^7*z^2 + 108*y^8*z^2 + 476*y*z^3 - 3128*y^2*z^3 + 7087*y^3*z^3 - 6790*y^4*z^3 + 3234*y^5*z^3 - 1311*y^6*z^3 + 432*y^7*z^3 + 259*z^4 - 3235*y*z^4 + 11774*y^2*z^4 - 18848*y^3*z^4 + 15924*y^4*z^4 - 7410*y^5*z^4 + 1383*y^6*z^4 - 994*z^5 + 7109*y*z^5 - 17640*y^2*z^5 + 20557*y^3*z^5 - 11975*y^4*z^5 + 2637*y^5*z^5 + 1434*z^6 - 6937*y*z^6 + 11932*y^2*z^6 - 9122*y^3*z^6 + 2540*y^4*z^6 - 926*z^7 + 3041*y*z^7 - 3304*y^2*z^7 + 1189*y^3*z^7 + 227*z^8 - 454*y*z^8 + 227*y^2*z^8))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[0, 1, 0, 0, z] + ((Pi*(-3*y^3 + 3*y^4 - 20*z + 60*y*z - 60*y^2*z - 13*y^3*z + 80*z^2 - 180*y*z^2 + 120*y^2*z^2 + 16*y^3*z^2 - 120*z^3 + 180*y*z^3 - 60*y^2*z^3 + 80*z^4 - 60*y*z^4 - 20*z^5))/ (3*y^2*(-1 + y + z)^2) + ((I/36)*(-168*y^3 + 948*y^4 - 2112*y^5 + 2328*y^6 - 1272*y^7 + 276*y^8 - 174*y^2*z + 714*y^3*z - 699*y^4*z - 999*y^5*z + 2661*y^6*z - 2055*y^7*z + 552*y^8*z - 820*y*z^2 + 3602*y^2*z^2 - 4201*y^3*z^2 - 3188*y^4*z^2 + 10639*y^5*z^2 - 8000*y^6*z^2 + 1968*y^7*z^2 - 670*z^3 + 6108*y*z^3 - 15909*y^2*z^3 + 14516*y^3*z^3 + 1035*y^4*z^3 - 7740*y^5*z^3 + 2660*y^6*z^3 + 2560*z^4 - 14129*y*z^4 + 26500*y^2*z^4 - 19531*y^3*z^4 + 3374*y^4*z^4 + 920*y^5*z^4 - 3690*z^5 + 14511*y*z^5 - 20130*y^2*z^5 + 10821*y^3*z^5 - 1818*y^4*z^5 + 2388*z^6 - 6858*y*z^6 + 6552*y^2*z^6 - 2082*y^3*z^6 - 588*z^7 + 1176*y*z^7 - 588*y^2*z^7))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)))*G[0, 1, 0, 1, y] + ((8*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(2*y - 5*y^2 + 6*y^3 - 25*y^4 + 52*y^5 - 42*y^6 + 12*y^7 + 2*z - 22*y*z + 65*y^2*z - 112*y^3*z + 125*y^4*z - 40*y^5*z - 42*y^6*z + 24*y^7*z - 17*z^2 + 107*y*z^2 - 246*y^2*z^2 + 262*y^3*z^2 - 40*y^4*z^2 - 150*y^5*z^2 + 84*y^6*z^2 + 48*z^3 - 280*y*z^3 + 532*y^2*z^3 - 210*y^3*z^3 - 430*y^4*z^3 + 340*y^5*z^3 - 133*z^4 + 701*y*z^4 - 1024*y^2*z^4 + 92*y^3*z^4 + 560*y^4*z^4 - 184*y^5*z^4 + 346*z^5 - 1348*y*z^5 + 1446*y^2*z^5 - 242*y^3*z^5 - 190*y^4*z^5 - 492*z^6 + 1352*y*z^6 - 1046*y^2*z^6 + 186*y^3*z^6 + 332*z^7 - 610*y*z^7 + 278*y^2*z^7 - 86*z^8 + 86*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[0, 1, 0, 1 - y, z] + (-1/3*(Pi*(-3*y^3 + 3*y^4 - 26*z + 78*y*z - 78*y^2*z + 23*y^3*z + 104*z^2 - 234*y*z^2 + 156*y^2*z^2 - 20*y^3*z^2 - 156*z^3 + 234*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5))/ (y^2*(-1 + y + z)^2) - ((I/36)*(-90*y^4 + 186*y^5 - 18*y^6 - 162*y^7 + 84*y^8 - 171*y^3*z + 354*y^4*z + 6*y^5*z - 222*y^6*z - 135*y^7*z + 168*y^8*z - 208*y^2*z^2 + 1531*y^3*z^2 - 3441*y^4*z^2 + 3231*y^5*z^2 - 2301*y^6*z^2 + 1188*y^7*z^2 - 626*y*z^3 + 4734*y^2*z^3 - 13288*y^3*z^3 + 16200*y^4*z^3 - 9996*y^5*z^3 + 3144*y^6*z^3 - 346*z^4 + 4566*y*z^4 - 17774*y^2*z^4 + 29088*y^3*z^4 - 21174*y^4*z^4 + 5976*y^5*z^4 + 1348*z^5 - 9865*y*z^5 + 23834*y^2*z^5 - 23063*y^3*z^5 + 7914*y^4*z^5 - 1914*z^6 + 8851*y*z^6 - 12765*y^2*z^6 + 5828*y^3*z^6 + 1196*z^7 - 3246*y*z^7 + 2050*y^2*z^7 - 284*z^8 + 284*y*z^8))/((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))* G[0, 1, 1, 0, y] + ((-16*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2) + ((I/36)*(-4*y^2 + 14*y^3 - 22*y^4 + 18*y^5 - 6*y^6 - 8*y*z + 62*y^2*z - 196*y^3*z + 382*y^4*z - 516*y^5*z + 474*y^6*z - 264*y^7*z + 66*y^8*z - 4*z^2 + 82*y*z^2 - 422*y^2*z^2 + 1157*y^3*z^2 - 1797*y^4*z^2 + 1425*y^5*z^2 - 309*y^6*z^2 - 264*y^7*z^2 + 132*y^8*z^2 + 34*z^3 - 344*y*z^3 + 1582*y^2*z^3 - 3999*y^3*z^3 + 5130*y^4*z^3 - 2547*y^5*z^3 - 384*y^6*z^3 + 528*y^7*z^3 - 96*z^4 + 1494*y*z^4 - 7446*y^2*z^4 + 16512*y^3*z^4 - 17706*y^4*z^4 + 9129*y^5*z^4 - 1887*y^6*z^4 + 552*z^5 - 6228*y*z^5 + 22500*y^2*z^5 - 36696*y^3*z^5 + 29952*y^4*z^5 - 11595*y^5*z^5 + 1362*y^6*z^5 - 1800*z^6 + 12930*y*z^6 - 32508*y^2*z^6 + 37515*y^3*z^6 - 20529*y^4*z^6 + 4086*y^5*z^6 + 2610*z^7 - 12744*y*z^7 + 21996*y^2*z^7 - 16533*y^3*z^7 + 4518*y^4*z^7 - 1728*z^8 + 5682*y*z^8 - 6180*y^2*z^8 + 2226*y^3*z^8 + 432*z^9 - 864*y*z^9 + 432*y^2*z^9))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[0, 1, 1, 0, z] + ((12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((I/12)*(70*y^3 - 136*y^4 + 66*y^5 + 95*y^2*z - 126*y^3*z - 113*y^4*z + 132*y^5*z + 223*y*z^2 - 512*y^2*z^2 + 17*y^3*z^2 + 270*y^4*z^2 + 138*z^3 - 936*y*z^3 + 985*y^2*z^3 - 78*y^3*z^3 - 414*z^4 + 1203*y*z^4 - 568*y^2*z^4 + 414*z^5 - 490*y*z^5 - 138*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[0, 1, 1, 1, y] + ((8*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(2*y - 5*y^2 + 6*y^3 - 25*y^4 + 52*y^5 - 42*y^6 + 12*y^7 + 2*z - 22*y*z + 65*y^2*z - 112*y^3*z + 125*y^4*z - 40*y^5*z - 42*y^6*z + 24*y^7*z - 17*z^2 + 107*y*z^2 - 246*y^2*z^2 + 262*y^3*z^2 - 40*y^4*z^2 - 150*y^5*z^2 + 84*y^6*z^2 + 48*z^3 - 280*y*z^3 + 532*y^2*z^3 - 210*y^3*z^3 - 430*y^4*z^3 + 340*y^5*z^3 - 133*z^4 + 701*y*z^4 - 1024*y^2*z^4 + 92*y^3*z^4 + 560*y^4*z^4 - 184*y^5*z^4 + 346*z^5 - 1348*y*z^5 + 1446*y^2*z^5 - 242*y^3*z^5 - 190*y^4*z^5 - 492*z^6 + 1352*y*z^6 - 1046*y^2*z^6 + 186*y^3*z^6 + 332*z^7 - 610*y*z^7 + 278*y^2*z^7 - 86*z^8 + 86*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[0, 1, 1 - y, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 69*z^2 + 116*y*z^2 + 8*y^2*z^2 + 21*y^3*z^2 + 207*z^3 - 202*y*z^3 - 18*y^2*z^3 - 207*z^4 + 96*y*z^4 + 69*z^5))/ (y^2*z*(-1 + y + z)))*G[0, 1 - y, 0, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/18)*(66*y^3 - 132*y^4 + 66*y^5 + 87*y^2*z - 102*y^3*z - 117*y^4*z + 132*y^5*z + 271*y*z^2 - 512*y^2*z^2 - 137*y^3*z^2 + 240*y^4*z^2 + 190*z^3 - 1112*y*z^3 + 887*y^2*z^3 + 26*y^3*z^3 - 570*z^4 + 1411*y*z^4 - 462*y^2*z^4 + 570*z^5 - 570*y*z^5 - 190*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[0, 1 - y, 0, 1 - y, z] + ((-2*Pi*(-1 + z)*z*(1 - 3*y + 3*y^2 + 6*y^3 - 3*z + 6*y*z - 3*y^2*z + 3*z^2 - 3*y*z^2 - z^3))/(3*y^2*(-1 + y + z)^2) - ((I/36)*(-318*y^4 + 1908*y^5 - 4452*y^6 + 5088*y^7 - 2862*y^8 + 636*y^9 - 567*y^3*z + 3789*y^4*z - 8919*y^5*z + 8421*y^6*z - 1134*y^7*z - 2862*y^8*z + 1272*y^9*z - 682*y^2*z^2 + 4031*y^3*z^2 - 7222*y^4*z^2 - 219*y^5*z^2 + 15114*y^6*z^2 - 16746*y^7*z^2 + 5724*y^8*z^2 - 1577*y*z^3 + 9449*y^2*z^3 - 19384*y^3*z^3 + 10708*y^4*z^3 + 16635*y^5*z^3 - 24999*y^6*z^3 + 9168*y^7*z^3 - 838*z^4 + 9967*y*z^4 - 33266*y^2*z^4 + 44936*y^3*z^4 - 18912*y^4*z^4 - 8109*y^5*z^4 + 5916*y^6*z^4 + 3280*z^5 - 21755*y*z^5 + 48989*y^2*z^5 - 46859*y^3*z^5 + 16681*y^4*z^5 - 948*y^5*z^5 - 4812*z^6 + 21449*y*z^6 - 33548*y^2*z^6 + 21331*y^3*z^6 - 4726*y^4*z^6 + 3136*z^7 - 9616*y*z^7 + 9824*y^2*z^7 - 3344*y^3*z^7 - 766*z^8 + 1532*y*z^8 - 766*y^2*z^8))/((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2))* G[0, 1 - y, 1, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/18)*(66*y^3 - 132*y^4 + 66*y^5 + 87*y^2*z - 102*y^3*z - 117*y^4*z + 132*y^5*z + 271*y*z^2 - 512*y^2*z^2 - 137*y^3*z^2 + 240*y^4*z^2 + 190*z^3 - 1112*y*z^3 + 887*y^2*z^3 + 26*y^3*z^3 - 570*z^4 + 1411*y*z^4 - 462*y^2*z^4 + 570*z^5 - 570*y*z^5 - 190*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[0, 1 - y, 1 - y, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/12)*(62*y^3 - 124*y^4 + 62*y^5 + 103*y^2*z - 110*y^3*z - 117*y^4*z + 124*y^5*z + 239*y*z^2 - 548*y^2*z^2 + 21*y^3*z^2 + 262*y^4*z^2 + 138*z^3 - 976*y*z^3 + 1021*y^2*z^3 - 78*y^3*z^3 - 414*z^4 + 1235*y*z^4 - 576*y^2*z^4 + 414*z^5 - 498*y*z^5 - 138*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[0, 1 - y, 1 - y, 1 - y, z] + (-1/3*(Pi*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 30*y^3*z^2 - 60*y^4*z^2 + 36*y^5*z^2 - 2*z^3 - 3*y*z^3 + 12*y^2*z^3 + 4*y^3*z^3 + 36*y^4*z^3 + 8*z^4 - 9*y*z^4 + 3*y^2*z^4 - 34*y^3*z^4 - 12*z^5 + 15*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7))/(y^2*z^2*(-1 + y + z)^2) - ((I/36)*(4*y - 14*y^2 + 22*y^3 + 32*y^4 - 280*y^5 + 626*y^6 - 666*y^7 + 348*y^8 - 72*y^9 + 4*z - 48*y*z + 174*y^2*z - 86*y^3*z - 1608*y^4*z + 6096*y^5*z - 10322*y^6*z + 9306*y^7*z - 4344*y^8*z + 828*y^9*z - 34*z^2 + 248*y*z^2 - 967*y^2*z^2 + 391*y^3*z^2 + 7105*y^4*z^2 - 20423*y^5*z^2 + 24978*y^6*z^2 - 14724*y^7*z^2 + 3426*y^8*z^2 + 96*z^3 - 2111*y*z^3 + 9850*y^2*z^3 - 15959*y^3*z^3 + 4500*y^4*z^3 + 13788*y^5*z^3 - 14496*y^6*z^3 + 4332*y^7*z^3 - 950*z^4 + 10815*y*z^4 - 35259*y^2*z^4 + 48596*y^3*z^4 - 29757*y^4*z^4 + 5781*y^5*z^4 + 774*y^6*z^4 + 3308*z^5 - 22735*y*z^5 + 52382*y^2*z^5 - 54393*y^3*z^5 + 26100*y^4*z^5 - 4356*y^5*z^5 - 4758*z^6 + 22153*y*z^6 - 35960*y^2*z^6 + 25159*y^3*z^6 - 6288*y^4*z^6 + 3100*z^7 - 9858*y*z^7 + 10416*y^2*z^7 - 3658*y^3*z^7 - 766*z^8 + 1532*y*z^8 - 766*y^2*z^8))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2* (y + z)))*G[0, 1 - y, -y, 1 - y, z] + ((-4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + z^3 - z^4))/(3*y^2*z^2) + ((I/36)*(108*y^4 - 396*y^5 + 558*y^6 - 356*y^7 + 86*y^8 + 354*y^3*z - 1410*y^4*z + 1860*y^5*z - 734*y^6*z - 266*y^7*z + 196*y^8*z + 159*y^2*z^2 - 876*y^3*z^2 + 528*y^4*z^2 + 2106*y^5*z^2 - 3097*y^6*z^2 + 1180*y^7*z^2 - y*z^3 - 131*y^2*z^3 - 1041*y^3*z^3 + 5069*y^4*z^3 - 6494*y^5*z^3 + 2598*y^6*z^3 - 46*z^4 - 25*y*z^4 + 83*y^2*z^4 + 2249*y^3*z^4 - 4729*y^4*z^4 + 2444*y^5*z^4 + 112*z^5 + 254*y*z^5 - 726*y^2*z^5 - 374*y^3*z^5 + 710*y^4*z^5 - 96*z^6 - 358*y*z^6 + 748*y^2*z^6 - 294*y^3*z^6 + 32*z^7 + 140*y*z^7 - 172*y^2*z^7 - 2*z^8 + 2*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[0, -y, 0, 1 - y, z] + ((-4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + z^3 - z^4))/(3*y^2*z^2) + ((I/36)*(108*y^4 - 396*y^5 + 558*y^6 - 356*y^7 + 86*y^8 + 354*y^3*z - 1410*y^4*z + 1860*y^5*z - 734*y^6*z - 266*y^7*z + 196*y^8*z + 159*y^2*z^2 - 876*y^3*z^2 + 528*y^4*z^2 + 2106*y^5*z^2 - 3097*y^6*z^2 + 1180*y^7*z^2 - y*z^3 - 131*y^2*z^3 - 1041*y^3*z^3 + 5069*y^4*z^3 - 6494*y^5*z^3 + 2598*y^6*z^3 - 46*z^4 - 25*y*z^4 + 83*y^2*z^4 + 2249*y^3*z^4 - 4729*y^4*z^4 + 2444*y^5*z^4 + 112*z^5 + 254*y*z^5 - 726*y^2*z^5 - 374*y^3*z^5 + 710*y^4*z^5 - 96*z^6 - 358*y*z^6 + 748*y^2*z^6 - 294*y^3*z^6 + 32*z^7 + 140*y*z^7 - 172*y^2*z^7 - 2*z^8 + 2*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[0, -y, 1 - y, 0, z] + (-1/3*(Pi*(-1 + y + z)*(6*y^3 + 12*y^3*z - 3*y*z^2 + 10*z^3 - 10*z^4))/ (y^2*z^2) - ((I/36)*(-53*y^4 + 212*y^5 - 318*y^6 + 212*y^7 - 53*y^8 - 245*y^3*z + 1406*y^4*z - 3614*y^5*z + 4856*y^6*z - 3269*y^7*z + 866*y^8*z + 207*y^2*z^2 + 576*y^3*z^2 - 5417*y^4*z^2 + 11536*y^5*z^2 - 10160*y^6*z^2 + 3258*y^7*z^2 + 1247*y*z^3 - 5522*y^2*z^3 + 6579*y^3*z^3 + 2272*y^4*z^3 - 7888*y^5*z^3 + 3312*y^6*z^3 + 536*z^4 - 5888*y*z^4 + 15887*y^2*z^4 - 15906*y^3*z^4 + 4897*y^4*z^4 + 168*y^5*z^4 - 1608*z^5 + 9107*y*z^5 - 16288*y^2*z^5 + 11021*y^3*z^5 - 2538*y^4*z^5 + 1608*z^6 - 5538*y*z^6 + 6252*y^2*z^6 - 2322*y^3*z^6 - 536*z^7 + 1072*y*z^7 - 536*y^2*z^7))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))*G[0, -y, 1 - y, 1 - y, z] + ((Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 + 30*z^3 - 30*z^4))/(3*y^2*z^2) - ((I/36)*(-43*y^4 + 251*y^5 - 556*y^6 + 596*y^7 - 313*y^8 + 65*y^9 - 241*y^3*z + 1266*y^4*z - 2562*y^5*z + 2334*y^6*z - 699*y^7*z - 240*y^8*z + 142*y^9*z - 288*y^2*z^2 + 1771*y^3*z^2 - 3392*y^4*z^2 + 1324*y^5*z^2 + 2980*y^6*z^2 - 3491*y^7*z^2 + 1096*y^8*z^2 - 560*y*z^3 + 3766*y^2*z^3 - 8678*y^3*z^3 + 6420*y^4*z^3 + 3414*y^5*z^3 - 6846*y^6*z^3 + 2484*y^7*z^3 - 242*z^4 + 3594*y*z^4 - 13629*y^2*z^4 + 20525*y^3*z^4 - 11100*y^4*z^4 - 966*y^5*z^4 + 1818*y^6*z^4 + 1040*z^5 - 8197*y*z^5 + 20918*y^2*z^5 - 22272*y^3*z^5 + 9456*y^4*z^5 - 1098*y^5*z^5 - 1632*z^6 + 8347*y*z^6 - 14606*y^2*z^6 + 10366*y^3*z^6 - 2628*y^4*z^6 + 1120*z^7 - 3768*y*z^7 + 4176*y^2*z^7 - 1528*y^3*z^7 - 286*z^8 + 572*y*z^8 - 286*y^2*z^8))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2* (y + z)))*G[0, -y, -y, 1 - y, z] + ((-12*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 + ((I/12)*(-4*y - 54*y^2 + 186*y^3 - 194*y^4 + 66*y^5 + 8*z - 88*y*z + 199*y^2*z - 34*y^3*z - 217*y^4*z + 132*y^5*z - 32*z^2 + 170*y*z^2 - 97*y^2*z^2 - 431*y^3*z^2 + 390*y^4*z^2 + 48*z^3 - 68*y*z^3 - 82*y^2*z^3 + 162*y^3*z^3 - 32*z^4 - 2*y*z^4 + 34*y^2*z^4 + 8*z^5 - 8*y*z^5))/((-1 + y)*y*z*(-1 + y + z)^2))* G[1, 0, 0, 0, y] + ((12*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(y^2*(-1 + y + z)^2) + ((I/2)*(2*y - 2*y^2 + 23*z - 83*y*z + 95*y^2*z - 28*y^3*z + 14*y^4*z - 92*z^2 + 237*y*z^2 - 184*y^2*z^2 + 28*y^3*z^2 + 138*z^3 - 233*y*z^3 + 91*y^2*z^3 - 92*z^4 + 77*y*z^4 + 23*z^5))/ (y^2*(-1 + y + z)^2))*G[1, 0, 0, 0, z] + (-1/3*(Pi*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 6*z + 27*y*z - 36*y^2*z - 11*y^3*z + 24*z^2 - 63*y*z^2 + 45*y^2*z^2 + 20*y^3*z^2 - 36*z^3 + 57*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5))/ (y^2*(-1 + y + z)^2) + ((I/36)*(-174*y^3 + 780*y^4 - 1380*y^5 + 1200*y^6 - 510*y^7 + 84*y^8 - 312*y^2*z + 1572*y^3*z - 2811*y^4*z + 1953*y^5*z - 33*y^6*z - 537*y^7*z + 168*y^8*z - 1180*y*z^2 + 6518*y^2*z^2 - 13081*y^3*z^2 + 11544*y^4*z^2 - 3861*y^5*z^2 - 96*y^6*z^2 + 156*y^7*z^2 - 874*z^3 + 8778*y*z^3 - 26907*y^2*z^3 + 36214*y^3*z^3 - 23280*y^4*z^3 + 6537*y^5*z^3 - 468*y^6*z^3 + 3388*z^4 - 20381*y*z^4 + 43114*y^2*z^4 - 41472*y^3*z^4 + 18156*y^4*z^4 - 2652*y^5*z^4 - 4956*z^5 + 20927*y*z^5 - 31432*y^2*z^5 + 20240*y^3*z^5 - 4626*y^4*z^5 + 3236*z^6 - 9696*y*z^6 + 9684*y^2*z^6 - 3224*y^3*z^6 - 794*z^7 + 1588*y*z^7 - 794*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)))*G[1, 0, 0, 1, y] + ((2*Pi*(-1 + z)*z*(-8 + 24*y - 24*y^2 + 17*y^3 + 24*z - 48*y*z + 24*y^2*z - 24*z^2 + 24*y*z^2 + 8*z^3))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)*(-3*y + 3*y^2 + 18*y^3 - 30*y^4 + 12*y^5 + 9*z - 33*y*z + 60*y^2*z - 42*y^3*z - 30*y^4*z + 24*y^5*z - 27*z^2 + 30*y*z^2 + 90*y^2*z^2 - 162*y^3*z^2 + 60*y^4*z^2 - 169*z^3 + 579*y*z^3 - 546*y^2*z^3 + 128*y^3*z^3 + 579*z^4 - 1101*y*z^4 + 393*y^2*z^4 - 588*z^5 + 528*y*z^5 + 196*z^6))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, 0, 1 - y, z] + ((Pi*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 36*z + 117*y*z - 126*y^2*z + 25*y^3*z + 144*z^2 - 333*y*z^2 + 225*y^2*z^2 - 16*y^3*z^2 - 216*z^3 + 327*y*z^3 - 108*y^2*z^3 + 144*z^4 - 108*y*z^4 - 36*z^5))/(3*y^2*(-1 + y + z)^2) - ((I/36)*(108*y^4 - 600*y^5 + 1152*y^6 - 936*y^7 + 276*y^8 + 297*y^3*z - 2064*y^4*z + 4188*y^5*z - 2820*y^6*z - 153*y^7*z + 552*y^8*z - 168*y^2*z^2 - 573*y^3*z^2 + 2547*y^4*z^2 - 1231*y^5*z^2 - 3023*y^6*z^2 + 2448*y^7*z^2 - 33*y*z^3 + 1014*y^2*z^3 - 3108*y^3*z^3 + 5620*y^4*z^3 - 7689*y^5*z^3 + 4340*y^6*z^3 + 18*z^4 + 117*y*z^4 - 2655*y^2*z^4 + 7985*y^3*z^4 - 9801*y^4*z^4 + 4624*y^5*z^4 - 312*z^5 + 732*y*z^5 + 1994*y^2*z^5 - 5512*y^3*z^5 + 3242*y^4*z^5 + 768*z^6 - 1700*y*z^6 + 90*y^2*z^6 + 842*y^3*z^6 - 676*z^7 + 1098*y*z^7 - 422*y^2*z^7 + 202*z^8 - 202*y*z^8))/((-1 + y)*y^2*z* (-1 + y + z)^2*(y + z)^2))*G[1, 0, 1, 0, y] + ((10*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/36)*(-1 + z)^2*(27*y - 27*y^2 - 48*z + 51*y*z - 78*y^2*z + 36*z^2 + 177*y*z^2 - 255*y^2*z^2 + 250*z^3 - 843*y*z^3 + 588*y^2*z^3 - 416*z^4 + 588*y*z^4 + 178*z^5))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, 1, 0, z] + ((4*Pi*(-1 + z)*z*(-2 + y + 2*z)*(4 - 10*y + 7*y^2 - 8*z + 10*y*z + 4*z^2))/(3*y^2*(-1 + y + z)^2) - ((I/36)*(-276*y^3 + 1248*y^4 - 2232*y^5 + 1968*y^6 - 852*y^7 + 144*y^8 + 36*y*z - 534*y^2*z + 2166*y^3*z - 3498*y^4*z + 2010*y^5*z + 552*y^6*z - 1020*y^7*z + 288*y^8*z + 72*z^2 - 1234*y*z^2 + 5786*y^2*z^2 - 10912*y^3*z^2 + 9186*y^4*z^2 - 2538*y^5*z^2 - 864*y^6*z^2 + 504*y^7*z^2 - 724*z^3 + 6684*y*z^3 - 20439*y^2*z^3 + 28567*y^3*z^3 - 20505*y^4*z^3 + 7215*y^5*z^3 - 798*y^6*z^3 + 2212*z^4 - 13967*y*z^4 + 31084*y^2*z^4 - 32745*y^3*z^4 + 16938*y^4*z^4 - 3216*y^5*z^4 - 2994*z^5 + 13549*y*z^5 - 21692*y^2*z^5 + 15379*y^3*z^5 - 3936*y^4*z^5 + 1888*z^6 - 5964*y*z^6 + 6264*y^2*z^6 - 2188*y^3*z^6 - 454*z^7 + 908*y*z^7 - 454*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)))*G[1, 0, 1, 1, y] + ((2*Pi*(-1 + z)*z*(-8 + 24*y - 24*y^2 + 17*y^3 + 24*z - 48*y*z + 24*y^2*z - 24*z^2 + 24*y*z^2 + 8*z^3))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)*(-3*y + 3*y^2 + 18*y^3 - 30*y^4 + 12*y^5 + 9*z - 33*y*z + 60*y^2*z - 42*y^3*z - 30*y^4*z + 24*y^5*z - 27*z^2 + 30*y*z^2 + 90*y^2*z^2 - 162*y^3*z^2 + 60*y^4*z^2 - 169*z^3 + 579*y*z^3 - 546*y^2*z^3 + 128*y^3*z^3 + 579*z^4 - 1101*y*z^4 + 393*y^2*z^4 - 588*z^5 + 528*y*z^5 + 196*z^6))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, 1 - y, 0, z] + ((4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/36)*(-1 + z)*(-8 + 6*y - 24*y^2 + 119*y^3 - 135*y^4 + 54*y^5 + 60*z - 42*y*z - 48*y^2*z + 78*y^3*z - 135*y^4*z + 108*y^5*z - 96*z^2 + 90*y*z^2 - 102*y^2*z^2 - 105*y^3*z^2 + 270*y^4*z^2 + 48*z^3 - 126*y*z^3 - 192*y^2*z^3 + 556*y^3*z^3 - 48*z^4 + 120*y*z^4 + 366*y^2*z^4 + 84*z^5 - 48*y*z^5 - 40*z^6))/(y^2*z^2*(-1 + y + z)^2))* G[1, 0, 1 - y, 1 - y, z] + (-1/3*(Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 18*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5))/ (y^2*(-1 + y + z)^2) - ((I/36)*(8 - 33*y + 87*y^2 - 191*y^3 + 171*y^4 - 54*y^5 - 20*z + 15*y*z - 42*y^2*z + 221*y^3*z - 54*y^4*z - 54*y^5*z + 96*z^2 - 288*y*z^2 - 144*y^2*z^2 + 1191*y^3*z^2 - 963*y^4*z^2 + 108*y^5*z^2 - 90*z^3 + 102*y*z^3 + 1518*y^2*z^3 - 2101*y^3*z^3 + 630*y^4*z^3 - 480*z^4 + 1767*y*z^4 - 2871*y^2*z^4 + 880*y^3*z^4 + 1152*z^5 - 2565*y*z^5 + 1452*y^2*z^5 - 920*z^6 + 1002*y*z^6 + 254*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, -y, 1 - y, z] + ((20*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2) - ((I/18)*(120*y^4 - 498*y^5 + 774*y^6 - 534*y^7 + 138*y^8 + 162*y^3*z - 822*y^4*z + 1209*y^5*z - 324*y^6*z - 501*y^7*z + 276*y^8*z - 294*y^2*z^2 + 1350*y^3*z^2 - 3282*y^4*z^2 + 4903*y^5*z^2 - 4225*y^6*z^2 + 1548*y^7*z^2 - 231*y*z^3 + 2640*y^2*z^3 - 8844*y^3*z^3 + 13472*y^4*z^3 - 10437*y^5*z^3 + 3460*y^6*z^3 - 48*z^4 + 1227*y*z^4 - 7239*y^2*z^4 + 15241*y^3*z^4 - 13641*y^4*z^4 + 4580*y^5*z^4 + 108*z^5 - 2196*y*z^5 + 8118*y^2*z^5 - 10006*y^3*z^5 + 4036*y^4*z^5 - 84*z^6 + 1680*y*z^6 - 3684*y^2*z^6 + 2088*y^3*z^6 + 24*z^7 - 468*y*z^7 + 444*y^2*z^7))/((-1 + y)*y^2*z*(-1 + y + z)^2* (y + z)^2))*G[1, 1, 0, 0, y] + ((10*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)^2*(3*y - 3*y^2 - 9*z + 36*y*z - 39*y^2*z + 18*z^2 - 84*y*z^2 + 45*y^2*z^2 + 109*z^3 - 330*y*z^3 + 375*y^2*z^3 - 236*z^4 + 375*y*z^4 + 118*z^5))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1, 0, 0, z] + ((Pi*(-y + 3*y^2 - 3*y^3 + y^4 + 2*z - 3*y*z + 7*y^3*z - 8*z^2 + 15*y*z^2 - 9*y^2*z^2 - 4*y^3*z^2 + 12*z^3 - 17*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/(y^2*(-1 + y + z)^2) - ((I/18)*(-15*y^3 + 153*y^4 - 462*y^5 + 618*y^6 - 387*y^7 + 93*y^8 - 18*y*z - 93*y^2*z + 828*y^3*z - 2022*y^4*z + 2112*y^5*z - 711*y^6*z - 282*y^7*z + 186*y^8*z - 36*z^2 - 305*y*z^2 + 2779*y^2*z^2 - 7415*y^3*z^2 + 8771*y^4*z^2 - 4309*y^5*z^2 + 152*y^6*z^2 + 363*y^7*z^2 - 185*z^3 + 3108*y*z^3 - 12063*y^2*z^3 + 19852*y^3*z^3 - 14904*y^4*z^3 + 4461*y^5*z^3 - 269*y^6*z^3 + 1142*z^4 - 8236*y*z^4 + 20303*y^2*z^4 - 21998*y^3*z^4 + 10375*y^4*z^4 - 1739*y^5*z^4 - 1950*z^5 + 9118*y*z^5 - 15107*y^2*z^5 + 10327*y^3*z^5 - 2541*y^4*z^5 + 1390*z^6 - 4389*y*z^6 + 4608*y^2*z^6 - 1609*y^3*z^6 - 361*z^7 + 722*y*z^7 - 361*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)))*G[1, 1, 0, 1, y] + (((-1/2*I)*(-1 + z)*z*(-1 + 2*y + z)*(-2 - 3*y + 11*y^2 + 4*z + 3*y*z - 2*z^2))/(y^2*(-1 + y + z)^2) + (2*Pi*(-1 + z)*z*(2 - 6*y + 6*y^2 + 9*y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3))/(3*y^2*(-1 + y + z)^2))* G[1, 1, 0, 1 - y, z] + (-1/3*(Pi*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 44*z + 141*y*z - 150*y^2*z + 29*y^3*z + 176*z^2 - 405*y*z^2 + 273*y^2*z^2 - 20*y^3*z^2 - 264*z^3 + 399*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y*z^4 - 44*z^5))/(y^2*(-1 + y + z)^2) + ((I/12)*(-24*y^3 + 76*y^4 - 80*y^5 + 28*y^6 - 69*y^2*z + 307*y^3*z - 373*y^4*z + 79*y^5*z + 56*y^6*z - 149*y*z^2 + 656*y^2*z^2 - 805*y^3*z^2 + 396*y^4*z^2 + 118*y^5*z^2 - 84*z^3 + 785*y*z^3 - 1454*y^2*z^3 + 767*y^3*z^3 - 16*y^4*z^3 + 360*z^4 - 1512*y*z^4 + 1282*y^2*z^4 - 176*y^3*z^4 - 570*z^5 + 1252*y*z^5 - 364*y^2*z^5 + 392*z^6 - 364*y*z^6 - 98*z^7))/(y^2*z*(-1 + y + z)^2*(y + z)))* G[1, 1, 1, 0, y] + ((14*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(y^2*(-1 + y + z)^2) - ((I/12)*(-1 + z)^2*(9*y - 9*y^2 - 16*z + 17*y*z - 26*y^2*z + 12*z^2 + 29*y*z^2 - 55*y^2*z^2 + 204*z^3 - 609*y*z^3 + 554*y^2*z^3 - 380*z^4 + 554*y*z^4 + 180*z^5))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1, 1, 0, z] - ((I/3)*(-17*y + 17*y^2 + 34*z + 3*y*z + 34*y^2*z - 68*z^2 + 14*y*z^2 + 34*z^3)*G[1, 1, 1, 1, y])/(y*z) + G[-y, z]*((((-1/18*I)*Pi^2*(-1 + y + z)*(14*y^3 + 28*y^3*z - 19*z^3 + 19*z^4))/(y^2*z^2) - (Pi*(-28*y^4 + 84*y^5 - 84*y^6 + 28*y^7 - 142*y^3*z + 454*y^4*z - 414*y^5*z + 34*y^6*z + 68*y^7*z - 75*y^2*z^2 + 367*y^3*z^2 - 195*y^4*z^2 - 519*y^5*z^2 + 422*y^6*z^2 + 65*y*z^3 - 102*y^2*z^3 + 519*y^3*z^3 - 1394*y^4*z^3 + 960*y^5*z^3 + 62*z^4 - 323*y*z^4 + 711*y^2*z^4 - 1364*y^3*z^4 + 1034*y^4*z^4 - 224*z^5 + 651*y*z^5 - 840*y^2*z^5 + 596*y^3*z^5 + 324*z^6 - 561*y*z^6 + 282*y^2*z^6 - 216*z^7 + 168*y*z^7 + 54*z^8))/(18*y^2*z^2*(-1 + y + z)^2* (y + z)) + ((I/216)*(96*y^2 - 354*y^3 + 873*y^4 - 1548*y^5 + 1578*y^6 - 810*y^7 + 165*y^8 + 192*y*z - 1080*y^2*z + 4917*y^3*z - 14265*y^4*z + 19815*y^5*z - 11757*y^6*z + 1608*y^7*z + 570*y^8*z + 96*z^2 - 1098*y*z^2 + 5442*y^2*z^2 - 13713*y^3*z^2 + 13632*y^4*z^2 + 3951*y^5*z^2 - 14736*y^6*z^2 + 6426*y^7*z^2 - 372*z^3 + 1740*y*z^3 - 4242*y^2*z^3 - 8991*y^3*z^3 + 42293*y^4*z^3 - 48962*y^5*z^3 + 18534*y^6*z^3 - 738*z^4 + 1290*y*z^4 - 6900*y^2*z^4 + 31829*y^3*z^4 - 45937*y^4*z^4 + 21374*y^5*z^4 + 3456*z^5 - 7146*y*z^5 + 9336*y^2*z^5 - 13052*y^3*z^5 + 9242*y^4*z^5 - 4632*z^6 + 7730*y*z^6 - 2606*y^2*z^6 + 426*y^3*z^6 + 2828*z^7 - 3346*y*z^7 + 518*y^2*z^7 - 638*z^8 + 638*y*z^8))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))*G[0, 1, y] + (((-1/36*I)*Pi^2*(-1 + y + z)*(41*y^3 + 82*y^3*z + 3*y*z^2 - 64*z^3 + 64*z^4))/(y^2*z^2) - (Pi*(-41*y^4 + 111*y^5 - 111*y^6 + 37*y^7 - 29*y^3*z + 134*y^4*z - 87*y^5*z - 104*y^6*z + 86*y^7*z - 138*y^2*z^2 + 299*y^3*z^2 + 87*y^4*z^2 - 666*y^5*z^2 + 410*y^6*z^2 - 110*y*z^3 + 762*y^2*z^3 - 759*y^3*z^3 - 494*y^4*z^3 + 648*y^5*z^3 + 76*z^4 + 194*y*z^4 - 1140*y^2*z^4 + 631*y^3*z^4 + 284*y^4*z^4 - 292*z^5 + 114*y*z^5 + 534*y^2*z^5 - 154*y^3*z^5 + 432*z^6 - 354*y*z^6 - 30*y^2*z^6 - 288*z^7 + 156*y*z^7 + 72*z^8))/ (18*y^2*z^2*(-1 + y + z)^2*(y + z)) + ((I/216)*(-72*y^2 + 198*y^3 - 866*y^4 + 1608*y^5 - 1527*y^6 + 507*y^7 - 144*y*z + 684*y^2*z - 1136*y^3*z + 2738*y^4*z - 2511*y^5*z - 1020*y^6*z + 1308*y^7*z - 72*z^2 + 774*y*z^2 - 6147*y^2*z^2 + 9995*y^3*z^2 - 1026*y^4*z^2 - 11499*y^5*z^2 + 7584*y^6*z^2 + 288*z^3 - 5843*y*z^3 + 27576*y^2*z^3 - 26250*y^3*z^3 - 7370*y^4*z^3 + 13416*y^5*z^3 + 1114*z^4 + 13319*y*z^4 - 43653*y^2*z^4 + 23611*y^3*z^4 + 5396*y^4*z^4 - 5392*z^5 - 9267*y*z^5 + 25986*y^2*z^5 - 6736*y^3*z^5 + 8178*z^6 - 515*y*z^6 - 4692*y^2*z^6 - 5492*z^7 + 1676*y*z^7 + 1376*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))*G[1, 0, y] + (((-1/36*I)*Pi^2*(-1 + y + z)*(125*y^3 + 250*y^3*z - 3*y*z^2 - 274*z^3 + 274*z^4))/(y^2*z^2) + (Pi*(44*y^3 - 44*y^4 + 54*y^2*z - 104*y^3*z + 60*y^4*z - 5*y*z^2 - 15*y^2*z^2 + 44*y^3*z^2 + 60*z^3 - 39*y*z^3 + 4*y^2*z^3 - 120*z^4 + 44*y*z^4 + 60*z^5))/(6*y^2*z^2) - ((I/108)*(24*y - 6*y^2 + 127*y^3 - 522*y^4 + 603*y^5 - 226*y^6 + 24*z - 174*y*z + 1749*y^2*z - 9699*y^3*z + 21061*y^4*z - 19286*y^5*z + 6325*y^6*z - 168*z^2 - 261*y*z^2 + 951*y^2*z^2 + 9144*y^3*z^2 - 21335*y^4*z^2 + 11669*y^5*z^2 + 6739*z^3 - 17241*y*z^3 + 11718*y^2*z^3 - 4508*y^3*z^3 + 2374*y^4*z^3 - 19395*z^4 + 42157*y*z^4 - 26054*y^2*z^4 + 2374*y^3*z^4 + 19125*z^5 - 30794*y*z^5 + 11669*y^2*z^5 - 6325*z^6 + 6325*y*z^6))/((-1 + y)*y^2*z^2*(-1 + y + z)))*G[1, 1, y] + ((10*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/36)*(-130*y^4 + 480*y^5 - 516*y^6 + 178*y^7 - 70*y^3*z + 292*y^4*z - 126*y^5*z - 566*y^6*z + 416*y^7*z + 264*y^2*z^2 - 590*y^3*z^2 + 1053*y^4*z^2 - 2271*y^5*z^2 + 1478*y^6*z^2 + 668*y*z^3 - 2586*y^2*z^3 + 2967*y^3*z^3 - 2730*y^4*z^3 + 1980*y^5*z^3 + 392*z^4 - 3824*y*z^4 + 7383*y^2*z^4 - 4722*y^3*z^4 + 1734*y^4*z^4 - 1640*z^5 + 7611*y*z^5 - 8160*y^2*z^5 + 2406*y^3*z^5 + 2532*z^6 - 6361*y*z^6 + 3072*y^2*z^6 - 1720*z^7 + 1918*y*z^7 + 436*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[0, 0, 1, y] + ((13*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/12)*(-64*y^5 + 142*y^6 - 112*y^7 + 30*y^8 - 64*y^4*z + 202*y^5*z - 40*y^6*z - 162*y^7*z + 86*y^8*z + 2*y^3*z^2 + 136*y^4*z^2 + 155*y^5*z^2 - 631*y^6*z^2 + 344*y^7*z^2 - 226*y^2*z^3 + 750*y^3*z^3 - 754*y^4*z^3 - 267*y^5*z^3 + 464*y^6*z^3 + 122*y*z^4 + 310*y^2*z^4 - 1242*y^3*z^4 + 822*y^4*z^4 + 136*y^5*z^4 + 146*z^5 - 872*y*z^5 + 590*y^2*z^5 + 430*y^3*z^5 - 140*y^4*z^5 - 508*z^6 + 1659*y*z^6 - 1089*y^2*z^6 + 136*y^3*z^6 + 664*z^7 - 1257*y*z^7 + 464*y^2*z^7 - 388*z^8 + 344*y*z^8 + 86*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[0, 1, 0, y] + ((Pi*(-1 + y + z)*(13*y^3 + 26*y^3*z + 8*z^3 - 8*z^4))/(3*y^2*z^2) - ((I/36)*(-39*y^4 + 117*y^5 - 117*y^6 + 39*y^7 - 249*y^3*z + 534*y^4*z - 165*y^5*z - 276*y^6*z + 156*y^7*z - 183*y^2*z^2 + 558*y^3*z^2 + 432*y^4*z^2 - 1593*y^5*z^2 + 786*y^6*z^2 - 307*y*z^3 + 1254*y^2*z^3 - 492*y^3*z^3 - 1952*y^4*z^3 + 1476*y^5*z^3 - 262*z^4 + 2233*y*z^4 - 4107*y^2*z^4 + 1501*y^3*z^4 + 794*y^4*z^4 + 1120*z^5 - 4887*y*z^5 + 5292*y^2*z^5 - 1204*y^3*z^5 - 1752*z^6 + 4309*y*z^6 - 2178*y^2*z^6 + 1192*z^7 - 1324*y*z^7 - 298*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[0, 1, 1, y] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/36)*(-58*y^4 + 96*y^5 - 60*y^6 + 14*y^7 - 10*y^3*z + 112*y^4*z + 6*y^5*z - 94*y^6*z + 40*y^7*z - 300*y^2*z^2 + 688*y^3*z^2 - 111*y^4*z^2 - 435*y^5*z^2 + 232*y^6*z^2 - 352*y*z^3 + 2046*y^2*z^3 - 2445*y^3*z^3 + 522*y^4*z^3 + 186*y^5*z^3 + 68*z^4 + 1186*y*z^4 - 4029*y^2*z^4 + 3030*y^3*z^4 - 594*y^4*z^4 - 188*z^5 - 1557*y*z^5 + 3204*y^2*z^5 - 1266*y^3*z^5 + 204*z^6 + 919*y*z^6 - 906*y^2*z^6 - 104*z^7 - 208*y*z^7 + 20*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[1, 0, 0, y] + ((Pi*(-1 + y + z)*(13*y^3 + 26*y^3*z + 8*z^3 - 8*z^4))/(3*y^2*z^2) - ((I/36)*(-137*y^4 + 279*y^5 - 234*y^6 + 68*y^7 - 203*y^3*z + 566*y^4*z - 120*y^5*z - 400*y^6*z + 214*y^7*z - 243*y^2*z^2 + 692*y^3*z^2 + 585*y^4*z^2 - 2025*y^5*z^2 + 1030*y^6*z^2 - 363*y*z^3 + 1602*y^2*z^3 - 897*y^3*z^3 - 2170*y^4*z^3 + 1884*y^5*z^3 - 114*z^4 + 1845*y*z^4 - 4053*y^2*z^4 + 1472*y^3*z^4 + 1204*y^4*z^4 + 648*z^5 - 3879*y*z^5 + 4662*y^2*z^5 - 794*y^3*z^5 - 1194*z^6 + 3477*y*z^6 - 1770*y^2*z^6 + 900*z^7 - 1080*y*z^7 - 240*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[1, 0, 1, y] + ((Pi*(-1 + y + z)*(21*y^3 + 42*y^3*z - 26*z^3 + 26*z^4))/ (3*y^2*z^2) - ((I/36)*(-321*y^5 + 873*y^6 - 828*y^7 + 260*y^8 - 462*y^4*z + 1605*y^5*z - 1086*y^6*z - 716*y^7*z + 646*y^8*z - 213*y^3*z^2 + 1149*y^4*z^2 + 633*y^5*z^2 - 4855*y^6*z^2 + 3110*y^7*z^2 - 862*y^2*z^3 + 2961*y^3*z^3 - 1548*y^4*z^3 - 6327*y^5*z^3 + 5920*y^6*z^3 + 256*y*z^4 + 1858*y^2*z^4 - 4782*y^3*z^4 - 804*y^4*z^4 + 5250*y^5*z^4 + 434*z^5 - 2242*y*z^5 + 156*y^2*z^5 + 1956*y^3*z^5 + 1830*y^4*z^5 - 1556*z^6 + 4581*y*z^6 - 2069*y^2*z^6 + 390*y^3*z^6 + 2082*z^7 - 3625*y*z^7 + 1112*y^2*z^7 - 1244*z^8 + 1042*y*z^8 + 284*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[1, 1, 0, y] + ((6*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(y^2*z^2) + ((I/4)*(27*y^3 - 27*y^4 + 42*y^2*z - 73*y^3*z + 46*y^4*z - 13*y*z^2 + y^2*z^2 + 30*y^3*z^2 + 46*z^3 - 17*y*z^3 - 4*y^2*z^3 - 92*z^4 + 30*y*z^4 + 46*z^5))/(y^2*z^2))* G[1, 1, 1, y] + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[0, 0, 0, 1, y])/(y^2*z^2) - (((13*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 0, 1, 0, y])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z + 4*z^3 - 4*z^4)*G[0, 0, 1, 1, y])/ (y^2*z^2) + (((11*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 1, 0, 0, y])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 5*z^3 - 5*z^4)* G[0, 1, 0, 1, y])/(y^2*z^2) - ((I/6)*(-1 + y + z)* (15*y^3 + 30*y^3*z - 22*z^3 + 22*z^4)*G[0, 1, 1, 0, y])/ (y^2*z^2) + ((I/6)*(-1 + y + z)*(35*y^3 + 70*y^3*z + 32*z^3 - 32*z^4)*G[0, 1, 1, 1, y])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1, 0, 0, 0, y])/(y^2*z^2) - ((I/6)*(-1 + y + z)* (29*y^3 + 58*y^3*z + 3*y*z^2 + 58*z^3 - 58*z^4)*G[1, 0, 0, 1, y])/ (y^2*z^2) + ((I/2)*(-1 + y + z)*(6*y^3 + 12*y^3*z + y*z^2 - 14*z^3 + 14*z^4)*G[1, 0, 1, 0, y])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(46*y^3 + 92*y^3*z - 3*y*z^2 + 10*z^3 - 10*z^4)* G[1, 0, 1, 1, y])/(y^2*z^2) + (((4*I)/3)*(-1 + y + z)* (5*y^3 + 10*y^3*z - 6*z^3 + 6*z^4)*G[1, 1, 0, 0, y])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 6*y*z^2 + 68*z^3 - 68*z^4)* G[1, 1, 0, 1, y])/(y^2*z^2) - ((I/6)*(-1 + y + z)* (12*y^3 + 24*y^3*z + 3*y*z^2 + 26*z^3 - 26*z^4)*G[1, 1, 1, 0, y])/ (y^2*z^2) + (((17*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 1, 1, 1, y])/(y^2*z^2)) + (((-1/2*I)*(-1 + z)*z*(-1 + 2*y + z)*(-2 - 3*y + 11*y^2 + 4*z + 3*y*z - 2*z^2))/(y^2*(-1 + y + z)^2) + (2*Pi*(-1 + z)*z*(2 - 6*y + 6*y^2 + 9*y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3))/(3*y^2*(-1 + y + z)^2))* G[1, 1, 1 - y, 0, z] + ((2*Pi*(-1 + z)*z*(-8 + 24*y - 24*y^2 + 17*y^3 + 24*z - 48*y*z + 24*y^2*z - 24*z^2 + 24*y*z^2 + 8*z^3))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)*(-3*y + 3*y^2 + 18*y^3 - 30*y^4 + 12*y^5 + 9*z - 33*y*z + 60*y^2*z - 42*y^3*z - 30*y^4*z + 24*y^5*z - 27*z^2 + 30*y*z^2 + 90*y^2*z^2 - 162*y^3*z^2 + 60*y^4*z^2 - 169*z^3 + 579*y*z^3 - 546*y^2*z^3 + 128*y^3*z^3 + 579*z^4 - 1101*y*z^4 + 393*y^2*z^4 - 588*z^5 + 528*y*z^5 + 196*z^6))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, 0, 0, z] + ((4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/36)*(-1 + z)*(-8 + 6*y - 24*y^2 + 119*y^3 - 135*y^4 + 54*y^5 + 60*z - 42*y*z - 48*y^2*z + 78*y^3*z - 135*y^4*z + 108*y^5*z - 96*z^2 + 90*y*z^2 - 102*y^2*z^2 - 105*y^3*z^2 + 270*y^4*z^2 + 48*z^3 - 126*y*z^3 - 192*y^2*z^3 + 556*y^3*z^3 - 48*z^4 + 120*y*z^4 + 366*y^2*z^4 + 84*z^5 - 48*y*z^5 - 40*z^6))/(y^2*z^2*(-1 + y + z)^2))* G[1, 1 - y, 0, 1 - y, z] + ((-2*Pi*(-1 + z)*z*(-11 + 33*y - 33*y^2 + 9*y^3 + 33*z - 66*y*z + 33*y^2*z - 33*z^2 + 33*y*z^2 + 11*z^3))/(3*y^2*(-1 + y + z)^2) - ((I/36)*(-1 + z)*(-1 + 2*y + z)*(20 - 11*y + 65*y^2 - 108*y^3 + 54*y^4 - 64*z - 67*y*z + 78*y^2*z - 108*y^3*z + 108*y^4*z + 56*z^2 - 141*y*z^2 + 57*y^2*z^2 + 216*y^3*z^2 - 128*z^3 + 221*y*z^3 + 250*y^2*z^3 + 244*z^4 - 2*y*z^4 - 128*z^5))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, 1, 0, z] + ((4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/36)*(-1 + z)*(-8 + 6*y - 24*y^2 + 119*y^3 - 135*y^4 + 54*y^5 + 60*z - 42*y*z - 48*y^2*z + 78*y^3*z - 135*y^4*z + 108*y^5*z - 96*z^2 + 90*y*z^2 - 102*y^2*z^2 - 105*y^3*z^2 + 270*y^4*z^2 + 48*z^3 - 126*y*z^3 - 192*y^2*z^3 + 556*y^3*z^3 - 48*z^4 + 120*y*z^4 + 366*y^2*z^4 + 84*z^5 - 48*y*z^5 - 40*z^6))/(y^2*z^2*(-1 + y + z)^2))* G[1, 1 - y, 1 - y, 0, z] + (-1/3*(Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 18*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5))/ (y^2*(-1 + y + z)^2) - ((I/36)*(8 - 33*y + 87*y^2 - 191*y^3 + 171*y^4 - 54*y^5 - 20*z + 15*y*z - 42*y^2*z + 221*y^3*z - 54*y^4*z - 54*y^5*z + 96*z^2 - 288*y*z^2 - 144*y^2*z^2 + 1191*y^3*z^2 - 963*y^4*z^2 + 108*y^5*z^2 - 90*z^3 + 102*y*z^3 + 1518*y^2*z^3 - 2101*y^3*z^3 + 630*y^4*z^3 - 480*z^4 + 1767*y*z^4 - 2871*y^2*z^4 + 880*y^3*z^4 + 1152*z^5 - 2565*y*z^5 + 1452*y^2*z^5 - 920*z^6 + 1002*y*z^6 + 254*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, -y, 1 - y, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 69*z^2 + 116*y*z^2 + 8*y^2*z^2 + 21*y^3*z^2 + 207*z^3 - 202*y*z^3 - 18*y^2*z^3 - 207*z^4 + 96*y*z^4 + 69*z^5))/ (y^2*z*(-1 + y + z)))*G[1 - y, 0, 0, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/18)*(66*y^3 - 132*y^4 + 66*y^5 + 87*y^2*z - 102*y^3*z - 117*y^4*z + 132*y^5*z + 271*y*z^2 - 512*y^2*z^2 - 137*y^3*z^2 + 240*y^4*z^2 + 190*z^3 - 1112*y*z^3 + 887*y^2*z^3 + 26*y^3*z^3 - 570*z^4 + 1411*y*z^4 - 462*y^2*z^4 + 570*z^5 - 570*y*z^5 - 190*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 0, 0, 1 - y, z] + ((-2*Pi*(-11*y^3 + 33*y^4 - 33*y^5 + 11*y^6 + 11*y^3*z - 33*y^5*z + 22*y^6*z + 33*y^3*z^2 - 99*y^4*z^2 + 66*y^5*z^2 - z^3 + 3*y*z^3 - 3*y^2*z^3 - 48*y^3*z^3 + 66*y^4*z^3 + 4*z^4 - 9*y*z^4 + 6*y^2*z^4 + 15*y^3*z^4 - 6*z^5 + 9*y*z^5 - 3*y^2*z^5 + 4*z^6 - 3*y*z^6 - z^7))/(3*y^2*z^2*(-1 + y + z)^2) + ((I/36)*(-12*y^2 + 42*y^3 - 84*y^4 + 103*y^5 + 115*y^6 - 608*y^7 + 818*y^8 - 481*y^9 + 107*y^10 - 24*y*z + 168*y^2*z - 408*y^3*z + 596*y^4*z - 1031*y^5*z + 2134*y^6*z - 3258*y^7*z + 3068*y^8*z - 1591*y^9*z + 346*y^10*z - 12*z^2 + 210*y*z^2 - 744*y^2*z^2 + 1225*y^3*z^2 - 2065*y^4*z^2 + 4520*y^5*z^2 - 6996*y^6*z^2 + 6319*y^7*z^2 - 3119*y^8*z^2 + 662*y^9*z^2 + 84*z^3 - 600*y*z^3 + 1638*y^2*z^3 - 2491*y^3*z^3 + 842*y^4*z^3 + 3408*y^5*z^3 - 5938*y^6*z^3 + 4439*y^7*z^3 - 1382*y^8*z^3 - 180*z^4 + 2112*y*z^4 - 8364*y^2*z^4 + 12243*y^3*z^4 - 1759*y^4*z^4 - 12635*y^5*z^4 + 12925*y^6*z^4 - 4342*y^7*z^4 + 900*z^5 - 9216*y*z^5 + 28164*y^2*z^5 - 33941*y^3*z^5 + 14084*y^4*z^5 + 2897*y^5*z^5 - 3194*y^6*z^5 - 3036*z^6 + 19797*y*z^6 - 42853*y^2*z^6 + 40261*y^3*z^6 - 16361*y^4*z^6 + 1580*y^5*z^6 + 4506*z^7 - 20027*y*z^7 + 30776*y^2*z^7 - 20161*y^3*z^7 + 4600*y^4*z^7 - 3028*z^8 + 9292*y*z^8 - 9500*y^2*z^8 + 3236*y^3*z^8 + 766*z^9 - 1532*y*z^9 + 766*y^2*z^9))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2))* G[1 - y, 0, 1, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/18)*(66*y^3 - 132*y^4 + 66*y^5 + 87*y^2*z - 102*y^3*z - 117*y^4*z + 132*y^5*z + 271*y*z^2 - 512*y^2*z^2 - 137*y^3*z^2 + 240*y^4*z^2 + 190*z^3 - 1112*y*z^3 + 887*y^2*z^3 + 26*y^3*z^3 - 570*z^4 + 1411*y*z^4 - 462*y^2*z^4 + 570*z^5 - 570*y*z^5 - 190*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 0, 1 - y, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/12)*(62*y^3 - 124*y^4 + 62*y^5 + 103*y^2*z - 110*y^3*z - 117*y^4*z + 124*y^5*z + 239*y*z^2 - 548*y^2*z^2 + 21*y^3*z^2 + 262*y^4*z^2 + 138*z^3 - 976*y*z^3 + 1021*y^2*z^3 - 78*y^3*z^3 - 414*z^4 + 1235*y*z^4 - 576*y^2*z^4 + 414*z^5 - 498*y*z^5 - 138*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 0, 1 - y, 1 - y, z] + ((Pi*(-1 + y + z)*(7*y^3 + 14*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4))/ (3*y^2*z^2) - ((I/36)*(36*y^3 - 128*y^4 + 152*y^5 - 48*y^6 - 28*y^7 + 16*y^8 - 302*y^3*z + 1748*y^4*z - 4514*y^5*z + 6074*y^6*z - 4088*y^7*z + 1082*y^8*z + 36*y*z^2 - 3*y^2*z^2 + 1194*y^3*z^2 - 6692*y^4*z^2 + 13234*y^5*z^2 - 11369*y^6*z^2 + 3600*y^7*z^2 + 72*z^3 + 1033*y*z^3 - 5290*y^2*z^3 + 6438*y^3*z^3 + 2288*y^4*z^3 - 7727*y^5*z^3 + 3186*y^6*z^3 + 550*z^4 - 6346*y*z^4 + 17107*y^2*z^4 - 17216*y^3*z^4 + 5679*y^4*z^4 - 80*y^5*z^4 - 2082*z^5 + 10981*y*z^5 - 18842*y^2*z^5 + 12403*y^3*z^5 - 2766*y^4*z^5 + 2226*z^6 - 7236*y*z^6 + 7794*y^2*z^6 - 2784*y^3*z^6 - 766*z^7 + 1532*y*z^7 - 766*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[1 - y, 0, -y, 1 - y, z] + ((2*Pi*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 11*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(-138*y^4 + 828*y^5 - 1932*y^6 + 2208*y^7 - 1242*y^8 + 276*y^9 - 252*y^3*z + 1674*y^4*z - 3924*y^5*z + 3696*y^6*z - 504*y^7*z - 1242*y^8*z + 552*y^9*z - 160*y^2*z^2 + 965*y^3*z^2 - 1192*y^4*z^2 - 2701*y^5*z^2 + 8402*y^6*z^2 - 7798*y^7*z^2 + 2484*y^8*z^2 - 467*y*z^3 + 2273*y^2*z^3 - 2527*y^3*z^3 - 4984*y^4*z^3 + 15545*y^5*z^3 - 14242*y^6*z^3 + 4402*y^7*z^3 - 268*z^4 + 2920*y*z^4 - 8060*y^2*z^4 + 6088*y^3*z^4 + 6262*y^4*z^4 - 11171*y^5*z^4 + 4076*y^6*z^4 + 1072*z^5 - 6494*y*z^5 + 12443*y^2*z^5 - 8026*y^3*z^5 - 976*y^4*z^5 + 1675*y^5*z^5 - 1608*z^6 + 6632*y*z^6 - 9266*y^2*z^6 + 4735*y^3*z^6 - 646*y^4*z^6 + 1072*z^7 - 3127*y*z^7 + 3038*y^2*z^7 - 983*y^3*z^7 - 268*z^8 + 536*y*z^8 - 268*y^2*z^8))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[1 - y, 1, 0, 0, z] + ((4*Pi*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 3*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3))/(3*y^2*(-1 + y + z)^2) + ((I/36)*(-8*y + 41*y^2 - 84*y^3 + 113*y^4 - 158*y^5 + 174*y^6 - 104*y^7 + 26*y^8 - 8*z + 61*y*z - 155*y^2*z + 266*y^3*z - 418*y^4*z + 380*y^5*z - 74*y^6*z - 104*y^7*z + 52*y^8*z + 20*z^2 - 95*y*z^2 + 171*y^2*z^2 - 362*y^3*z^2 + 368*y^4*z^2 + 192*y^5*z^2 - 502*y^6*z^2 + 208*y^7*z^2 - 24*z^3 + 48*y*z^3 + 120*y^2*z^3 - 828*y^3*z^3 + 1412*y^4*z^3 - 1058*y^5*z^3 + 330*y^6*z^3 + 54*z^4 + 102*y*z^4 - 1455*y^2*z^4 + 3362*y^3*z^4 - 2683*y^4*z^4 + 644*y^5*z^4 - 96*z^5 - 393*y*z^5 + 2583*y^2*z^5 - 3320*y^3*z^5 + 1250*y^4*z^5 + 72*z^6 + 455*y*z^6 - 1493*y^2*z^6 + 966*y^3*z^6 - 16*z^7 - 172*y*z^7 + 188*y^2*z^7 - 2*z^8 + 2*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[1 - y, 1, 0, 1 - y, z] + ((-2*Pi*(-1 + z)*z*(-15 + 45*y - 45*y^2 + 17*y^3 + 45*z - 90*y*z + 45*y^2*z - 45*z^2 + 45*y*z^2 + 15*z^3))/(3*y^2*(-1 + y + z)^2) - ((I/36)*(-1 + 2*y + z)*(-8*y^2 + 33*y^3 - 59*y^4 + 51*y^5 - 17*y^6 - 16*y*z + 78*y^2*z - 152*y^3*z + 205*y^4*z - 342*y^5*z + 461*y^6*z - 312*y^7*z + 78*y^8*z - 8*z^2 + 57*y*z^2 - 139*y^2*z^2 + 316*y^3*z^2 - 817*y^4*z^2 + 1125*y^5*z^2 - 558*y^6*z^2 - 72*y^7*z^2 + 96*y^8*z^2 + 12*z^3 - 58*y*z^3 + 341*y^2*z^3 - 896*y^3*z^3 + 627*y^4*z^3 + 672*y^5*z^3 - 1082*y^6*z^3 + 384*y^7*z^3 - 12*z^4 + 662*y*z^4 - 2031*y^2*z^4 + 1651*y^3*z^4 + 1384*y^4*z^4 - 2472*y^5*z^4 + 818*y^6*z^4 + 330*z^5 - 2392*y*z^5 + 4219*y^2*z^5 - 1586*y^3*z^5 - 1690*y^4*z^5 + 966*y^5*z^5 - 918*z^6 + 3413*y*z^6 - 4004*y^2*z^6 + 1108*y^3*z^6 + 248*y^4*z^6 + 882*z^7 - 2238*y*z^7 + 1830*y^2*z^7 - 474*y^3*z^7 - 286*z^8 + 572*y*z^8 - 286*y^2*z^8))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2))* G[1 - y, 1, 1, 0, z] + ((4*Pi*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 3*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3))/(3*y^2*(-1 + y + z)^2) + ((I/36)*(-8*y + 41*y^2 - 84*y^3 + 113*y^4 - 158*y^5 + 174*y^6 - 104*y^7 + 26*y^8 - 8*z + 61*y*z - 155*y^2*z + 266*y^3*z - 418*y^4*z + 380*y^5*z - 74*y^6*z - 104*y^7*z + 52*y^8*z + 20*z^2 - 95*y*z^2 + 171*y^2*z^2 - 362*y^3*z^2 + 368*y^4*z^2 + 192*y^5*z^2 - 502*y^6*z^2 + 208*y^7*z^2 - 24*z^3 + 48*y*z^3 + 120*y^2*z^3 - 828*y^3*z^3 + 1412*y^4*z^3 - 1058*y^5*z^3 + 330*y^6*z^3 + 54*z^4 + 102*y*z^4 - 1455*y^2*z^4 + 3362*y^3*z^4 - 2683*y^4*z^4 + 644*y^5*z^4 - 96*z^5 - 393*y*z^5 + 2583*y^2*z^5 - 3320*y^3*z^5 + 1250*y^4*z^5 + 72*z^6 + 455*y*z^6 - 1493*y^2*z^6 + 966*y^3*z^6 - 16*z^7 - 172*y*z^7 + 188*y^2*z^7 - 2*z^8 + 2*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[1 - y, 1, 1 - y, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/18)*(66*y^3 - 132*y^4 + 66*y^5 + 87*y^2*z - 102*y^3*z - 117*y^4*z + 132*y^5*z + 271*y*z^2 - 512*y^2*z^2 - 137*y^3*z^2 + 240*y^4*z^2 + 190*z^3 - 1112*y*z^3 + 887*y^2*z^3 + 26*y^3*z^3 - 570*z^4 + 1411*y*z^4 - 462*y^2*z^4 + 570*z^5 - 570*y*z^5 - 190*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 1 - y, 0, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/12)*(62*y^3 - 124*y^4 + 62*y^5 + 103*y^2*z - 110*y^3*z - 117*y^4*z + 124*y^5*z + 239*y*z^2 - 548*y^2*z^2 + 21*y^3*z^2 + 262*y^4*z^2 + 138*z^3 - 976*y*z^3 + 1021*y^2*z^3 - 78*y^3*z^3 - 414*z^4 + 1235*y*z^4 - 576*y^2*z^4 + 414*z^5 - 498*y*z^5 - 138*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 1 - y, 0, 1 - y, z] + ((2*Pi*(-11*y^3 + 33*y^4 - 33*y^5 + 11*y^6 + 11*y^3*z - 33*y^5*z + 22*y^6*z + 33*y^3*z^2 - 99*y^4*z^2 + 66*y^5*z^2 + 21*z^3 - 63*y*z^3 + 63*y^2*z^3 - 72*y^3*z^3 + 66*y^4*z^3 - 84*z^4 + 189*y*z^4 - 126*y^2*z^4 + 39*y^3*z^4 + 126*z^5 - 189*y*z^5 + 63*y^2*z^5 - 84*z^6 + 63*y*z^6 + 21*z^7))/ (3*y^2*z^2*(-1 + y + z)^2) - ((I/36)*(-12*y^2 + 42*y^3 - 84*y^4 + 103*y^5 + 115*y^6 - 608*y^7 + 818*y^8 - 481*y^9 + 107*y^10 - 24*y*z + 168*y^2*z - 408*y^3*z + 92*y^4*z + 1513*y^5*z - 3002*y^6*z + 1926*y^7*z + 452*y^8*z - 1063*y^9*z + 346*y^10*z - 12*z^2 + 210*y*z^2 - 744*y^2*z^2 + 217*y^3*z^2 + 3203*y^4*z^2 - 5494*y^5*z^2 + 462*y^6*z^2 + 6469*y^7*z^2 - 6029*y^8*z^2 + 1718*y^9*z^2 + 84*z^3 - 600*y*z^3 - 278*y^2*z^3 + 7863*y^3*z^3 - 17898*y^4*z^3 + 12374*y^5*z^3 + 4798*y^6*z^3 - 9245*y^7*z^3 + 2902*y^8*z^3 - 180*z^4 - 775*y*z^4 + 12385*y^2*z^4 - 40088*y^3*z^4 + 54044*y^4*z^4 - 30387*y^5*z^4 + 3921*y^6*z^4 + 1080*y^7*z^4 - 422*z^5 + 8861*y*z^5 - 41746*y^2*z^5 + 82798*y^3*z^5 - 77088*y^4*z^5 + 32211*y^5*z^5 - 4920*y^6*z^5 + 2228*z^6 - 19663*y*z^6 + 58405*y^2*z^6 - 76933*y^3*z^6 + 45773*y^4*z^6 - 10422*y^5*z^6 - 3360*z^7 + 18835*y*z^7 - 36880*y^2*z^7 + 30029*y^3*z^7 - 8930*y^4*z^7 + 2204*z^8 - 7928*y*z^8 + 9244*y^2*z^8 - 3520*y^3*z^8 - 542*z^9 + 1084*y*z^9 - 542*y^2*z^9))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2))* G[1 - y, 1 - y, 1, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/12)*(62*y^3 - 124*y^4 + 62*y^5 + 103*y^2*z - 110*y^3*z - 117*y^4*z + 124*y^5*z + 239*y*z^2 - 548*y^2*z^2 + 21*y^3*z^2 + 262*y^4*z^2 + 138*z^3 - 976*y*z^3 + 1021*y^2*z^3 - 78*y^3*z^3 - 414*z^4 + 1235*y*z^4 - 576*y^2*z^4 + 414*z^5 - 498*y*z^5 - 138*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 1 - y, 1 - y, 0, z] - ((I/3)*(-17*y + 17*y^2 + 34*z + 3*y*z + 34*y^2*z - 68*z^2 + 14*y*z^2 + 34*z^3)*G[1 - y, 1 - y, 1 - y, 1 - y, z])/(y*z) + ((Pi*(-1 + y + z)*(y^3 + 2*y^3*z + y*z^2 - 2*z^3 + 2*z^4))/(y^2*z^2) + ((I/36)*(8*y - 14*y^2 + 30*y^3 - 300*y^4 + 900*y^5 - 1158*y^6 + 694*y^7 - 160*y^8 + 8*z - 74*y*z + 140*y^2*z - 654*y^3*z + 2784*y^4*z - 5556*y^5*z + 5734*y^6*z - 3052*y^7*z + 670*y^8*z - 60*z^2 + 170*y*z^2 - 481*y^2*z^2 + 2816*y^3*z^2 - 7558*y^4*z^2 + 10070*y^5*z^2 - 6925*y^6*z^2 + 1968*y^7*z^2 + 24*z^3 - 517*y*z^3 + 3046*y^2*z^3 - 6936*y^3*z^3 + 9268*y^4*z^3 - 6871*y^5*z^3 + 1986*y^6*z^3 - 462*z^4 + 3872*y*z^4 - 9765*y^2*z^4 + 11378*y^3*z^4 - 6705*y^4*z^4 + 1376*y^5*z^4 + 1722*z^5 - 7891*y*z^5 + 12242*y^2*z^5 - 8365*y^3*z^5 + 1986*y^4*z^5 - 1902*z^6 + 5772*y*z^6 - 5838*y^2*z^6 + 1968*y^3*z^6 + 670*z^7 - 1340*y*z^7 + 670*y^2*z^7))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))*G[1 - y, 1 - y, -y, 1 - y, z] + ((4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (3*y^2*z^2) - ((I/36)*(12*y - 51*y^2 + 96*y^3 - 55*y^4 - 134*y^5 + 300*y^6 - 228*y^7 + 60*y^8 + 12*z - 105*y*z + 285*y^2*z - 466*y^3*z + 578*y^4*z - 580*y^5*z + 576*y^6*z - 444*y^7*z + 144*y^8*z - 54*z^2 + 309*y*z^2 - 741*y^2*z^2 + 1216*y^3*z^2 - 1456*y^4*z^2 + 1356*y^5*z^2 - 942*y^6*z^2 + 312*y^7*z^2 + 120*z^3 - 720*y*z^3 + 1860*y^2*z^3 - 2286*y^3*z^3 + 1078*y^4*z^3 + 8*y^5*z^3 - 60*y^6*z^3 - 366*z^4 + 2232*y*z^4 - 4812*y^2*z^4 + 3982*y^3*z^4 - 752*y^4*z^4 - 308*y^5*z^4 + 900*z^5 - 4254*y*z^5 + 6618*y^2*z^5 - 3856*y^3*z^5 + 568*y^4*z^5 - 1152*z^6 + 3874*y*z^6 - 4018*y^2*z^6 + 1296*y^3*z^6 + 712*z^7 - 1532*y*z^7 + 820*y^2*z^7 - 172*z^8 + 172*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[1 - y, -y, 0, 1 - y, z] + ((4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/36)*(12*y - 51*y^2 + 96*y^3 - 55*y^4 - 134*y^5 + 300*y^6 - 228*y^7 + 60*y^8 + 12*z - 105*y*z + 285*y^2*z - 466*y^3*z + 578*y^4*z - 580*y^5*z + 576*y^6*z - 444*y^7*z + 144*y^8*z - 54*z^2 + 309*y*z^2 - 741*y^2*z^2 + 1216*y^3*z^2 - 1456*y^4*z^2 + 1356*y^5*z^2 - 942*y^6*z^2 + 312*y^7*z^2 + 120*z^3 - 720*y*z^3 + 1860*y^2*z^3 - 2286*y^3*z^3 + 1078*y^4*z^3 + 8*y^5*z^3 - 60*y^6*z^3 - 366*z^4 + 2232*y*z^4 - 4812*y^2*z^4 + 3982*y^3*z^4 - 752*y^4*z^4 - 308*y^5*z^4 + 900*z^5 - 4254*y*z^5 + 6618*y^2*z^5 - 3856*y^3*z^5 + 568*y^4*z^5 - 1152*z^6 + 3874*y*z^6 - 4018*y^2*z^6 + 1296*y^3*z^6 + 712*z^7 - 1532*y*z^7 + 820*y^2*z^7 - 172*z^8 + 172*y*z^8))/((-1 + y)*y^2*z^2* (-1 + y + z)^2*(y + z)))*G[1 - y, -y, 1 - y, 0, z] + ((16*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/36)*(8*y - 14*y^2 - 6*y^3 - 225*y^4 + 960*y^5 - 1428*y^6 + 934*y^7 - 229*y^8 + 8*z - 74*y*z + 140*y^2*z - 759*y^3*z + 3114*y^4*z - 5700*y^5*z + 5236*y^6*z - 2419*y^7*z + 454*y^8*z - 60*z^2 + 206*y*z^2 - 451*y^2*z^2 + 2222*y^3*z^2 - 5695*y^4*z^2 + 7112*y^5*z^2 - 4588*y^6*z^2 + 1254*y^7*z^2 + 96*z^3 - 451*y*z^3 + 1444*y^2*z^3 - 2721*y^3*z^3 + 4120*y^4*z^3 - 3634*y^5*z^3 + 1146*y^6*z^3 - 462*z^4 + 2630*y*z^4 - 5289*y^2*z^4 + 5408*y^3*z^4 - 3285*y^4*z^4 + 692*y^5*z^4 + 1290*z^5 - 5317*y*z^5 + 7550*y^2*z^5 - 4975*y^3*z^5 + 1146*y^4*z^5 - 1326*z^6 + 3906*y*z^6 - 3834*y^2*z^6 + 1254*y^3*z^6 + 454*z^7 - 908*y*z^7 + 454*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)* (y + z)))*G[1 - y, -y, 1 - y, 1 - y, z] + ((-8*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/36)*(-4 + 20*y - 40*y^2 - 153*y^3 + 951*y^4 - 1935*y^5 + 1929*y^6 - 960*y^7 + 192*y^8 + 16*z - 56*y*z + 214*y^2*z - 633*y^3*z + 1398*y^4*z - 2451*y^5*z + 2826*y^6*z - 1746*y^7*z + 432*y^8*z - 24*z^2 - 213*y*z^2 + 891*y^2*z^2 - 324*y^3*z^2 - 3090*y^4*z^2 + 6027*y^5*z^2 - 4497*y^6*z^2 + 1230*y^7*z^2 + 462*z^3 - 1383*y*z^3 + 1080*y^2*z^3 - 600*y^3*z^3 + 2214*y^4*z^3 - 2805*y^5*z^3 + 1032*y^6*z^3 - 1764*z^4 + 6474*y*z^4 - 8700*y^2*z^4 + 5913*y^3*z^4 - 2391*y^4*z^4 + 468*y^5*z^4 + 2610*z^5 - 8652*y*z^5 + 10326*y^2*z^5 - 5469*y^3*z^5 + 1032*y^4*z^5 - 1728*z^6 + 4686*y*z^6 - 4188*y^2*z^6 + 1230*y^3*z^6 + 432*z^7 - 864*y*z^7 + 432*y^2*z^7))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)^2))*G[1 - y, -y, -y, 1 - y, z] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-11*y^4 + 21*y^5 - 12*y^6 + 2*y^7 + 67*y^3*z - 211*y^4*z + 252*y^5*z - 106*y^6*z + 10*y^7*z + 102*y^2*z^2 - 310*y^3*z^2 + 237*y^4*z^2 + 84*y^5*z^2 - 104*y^6*z^2 + 112*y*z^3 - 474*y^2*z^3 + 120*y^3*z^3 + 756*y^4*z^3 - 453*y^5*z^3 + 52*z^4 - 562*y*z^4 + 789*y^2*z^4 + 522*y^3*z^4 - 633*y^4*z^4 - 166*z^5 + 834*y*z^5 - 444*y^2*z^5 - 297*y^3*z^5 + 192*z^6 - 500*y*z^6 + 93*y^2*z^6 - 98*z^7 + 116*y*z^7 + 20*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 0, 0, 1 - y, z] + ((2*Pi*(-1 + y + z)*(11*y^3 + 22*y^3*z - 13*z^3 + 13*z^4))/ (3*y^2*z^2) - ((I/36)*(-191*y^5 + 447*y^6 - 375*y^7 + 107*y^8 - 262*y^4*z + 653*y^5*z + 48*y^6*z - 743*y^7*z + 346*y^8*z - 197*y^3*z^2 + 649*y^4*z^2 + 1251*y^5*z^2 - 3253*y^6*z^2 + 1526*y^7*z^2 - 974*y^2*z^3 + 3197*y^3*z^3 - 1752*y^4*z^3 - 3357*y^5*z^3 + 2506*y^6*z^3 + 134*y*z^4 + 2372*y^2*z^4 - 4815*y^3*z^4 + 267*y^4*z^4 + 1806*y^5*z^4 + 370*z^5 - 1718*y*z^5 - 36*y^2*z^5 + 693*y^3*z^5 + 720*y^4*z^5 - 1336*z^6 + 4023*y*z^6 - 2897*y^2*z^6 + 1014*y^3*z^6 + 1824*z^7 - 3481*y*z^7 + 1550*y^2*z^7 - 1112*z^8 + 1030*y*z^8 + 254*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, 0, 1, 0, z] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-11*y^4 + 21*y^5 - 12*y^6 + 2*y^7 + 67*y^3*z - 211*y^4*z + 252*y^5*z - 106*y^6*z + 10*y^7*z + 102*y^2*z^2 - 310*y^3*z^2 + 237*y^4*z^2 + 84*y^5*z^2 - 104*y^6*z^2 + 112*y*z^3 - 474*y^2*z^3 + 120*y^3*z^3 + 756*y^4*z^3 - 453*y^5*z^3 + 52*z^4 - 562*y*z^4 + 789*y^2*z^4 + 522*y^3*z^4 - 633*y^4*z^4 - 166*z^5 + 834*y*z^5 - 444*y^2*z^5 - 297*y^3*z^5 + 192*z^6 - 500*y*z^6 + 93*y^2*z^6 - 98*z^7 + 116*y*z^7 + 20*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 0, 1 - y, 0, z] + (-1/3*(Pi*(-1 + y + z)*(9*y^3 + 18*y^3*z + 16*z^3 - 16*z^4))/ (y^2*z^2) + ((I/36)*(-7*y^4 + 3*y^5 - 12*y^6 + 4*y^7 - 121*y^3*z + 184*y^4*z + 36*y^5*z - 182*y^6*z + 62*y^7*z - 207*y^2*z^2 + 442*y^3*z^2 + 360*y^4*z^2 - 1062*y^5*z^2 + 422*y^6*z^2 - 539*y*z^3 + 2028*y^2*z^3 - 1446*y^3*z^3 - 1092*y^4*z^3 + 972*y^5*z^3 - 374*z^4 + 3299*y*z^4 - 6102*y^2*z^4 + 2736*y^3*z^4 + 444*y^4*z^4 + 1532*z^5 - 6678*y*z^5 + 7002*y^2*z^5 - 1554*y^3*z^5 - 2334*z^6 + 5618*y*z^6 - 2682*y^2*z^6 + 1568*z^7 - 1688*y*z^7 - 392*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 0, 1 - y, 1 - y, z] + (-1/3*(Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 - 22*z^3 + 22*z^4))/ (y^2*z^2) + ((I/36)*(24*y^4 - 18*y^5 + 2*y^7 + 144*y^3*z - 498*y^4*z + 462*y^5*z - 154*y^6*z + 16*y^7*z + 387*y^2*z^2 - 1209*y^3*z^2 + 864*y^4*z^2 + 108*y^5*z^2 - 206*y^6*z^2 + 519*y*z^3 - 2490*y^2*z^3 + 2334*y^3*z^3 + 600*y^4*z^3 - 750*y^5*z^3 + 144*z^4 - 2337*y*z^4 + 4752*y^2*z^4 - 1158*y^3*z^4 - 816*y^4*z^4 - 576*z^5 + 3648*y*z^5 - 3426*y^2*z^5 + 96*y^3*z^5 + 828*z^6 - 2456*y*z^6 + 894*y^2*z^6 - 524*z^7 + 638*y*z^7 + 128*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))* G[-y, 0, -y, 1 - y, z] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-11*y^4 + 21*y^5 - 12*y^6 + 2*y^7 + 67*y^3*z - 211*y^4*z + 252*y^5*z - 106*y^6*z + 10*y^7*z + 102*y^2*z^2 - 310*y^3*z^2 + 237*y^4*z^2 + 84*y^5*z^2 - 104*y^6*z^2 + 112*y*z^3 - 474*y^2*z^3 + 120*y^3*z^3 + 756*y^4*z^3 - 453*y^5*z^3 + 52*z^4 - 562*y*z^4 + 789*y^2*z^4 + 522*y^3*z^4 - 633*y^4*z^4 - 166*z^5 + 834*y*z^5 - 444*y^2*z^5 - 297*y^3*z^5 + 192*z^6 - 500*y*z^6 + 93*y^2*z^6 - 98*z^7 + 116*y*z^7 + 20*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 1 - y, 0, 0, z] + (-1/3*(Pi*(-1 + y + z)*(9*y^3 + 18*y^3*z + 16*z^3 - 16*z^4))/ (y^2*z^2) + ((I/36)*(-7*y^4 + 3*y^5 - 12*y^6 + 4*y^7 - 121*y^3*z + 184*y^4*z + 36*y^5*z - 182*y^6*z + 62*y^7*z - 207*y^2*z^2 + 442*y^3*z^2 + 360*y^4*z^2 - 1062*y^5*z^2 + 422*y^6*z^2 - 539*y*z^3 + 2028*y^2*z^3 - 1446*y^3*z^3 - 1092*y^4*z^3 + 972*y^5*z^3 - 374*z^4 + 3299*y*z^4 - 6102*y^2*z^4 + 2736*y^3*z^4 + 444*y^4*z^4 + 1532*z^5 - 6678*y*z^5 + 7002*y^2*z^5 - 1554*y^3*z^5 - 2334*z^6 + 5618*y*z^6 - 2682*y^2*z^6 + 1568*z^7 - 1688*y*z^7 - 392*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 1 - y, 0, 1 - y, z] + ((2*Pi*(-1 + y + z)*(11*y^3 + 22*y^3*z - 13*z^3 + 13*z^4))/ (3*y^2*z^2) - ((I/36)*(-191*y^5 + 447*y^6 - 375*y^7 + 107*y^8 - 262*y^4*z + 653*y^5*z + 48*y^6*z - 743*y^7*z + 346*y^8*z - 197*y^3*z^2 + 649*y^4*z^2 + 1251*y^5*z^2 - 3253*y^6*z^2 + 1526*y^7*z^2 - 974*y^2*z^3 + 3197*y^3*z^3 - 1752*y^4*z^3 - 3357*y^5*z^3 + 2506*y^6*z^3 + 134*y*z^4 + 2372*y^2*z^4 - 4815*y^3*z^4 + 267*y^4*z^4 + 1806*y^5*z^4 + 370*z^5 - 1718*y*z^5 - 36*y^2*z^5 + 693*y^3*z^5 + 720*y^4*z^5 - 1336*z^6 + 4023*y*z^6 - 2897*y^2*z^6 + 1014*y^3*z^6 + 1824*z^7 - 3481*y*z^7 + 1550*y^2*z^7 - 1112*z^8 + 1030*y*z^8 + 254*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, 1 - y, 1, 0, z] + (-1/3*(Pi*(-1 + y + z)*(9*y^3 + 18*y^3*z + 16*z^3 - 16*z^4))/ (y^2*z^2) + ((I/36)*(-7*y^4 + 3*y^5 - 12*y^6 + 4*y^7 - 121*y^3*z + 184*y^4*z + 36*y^5*z - 182*y^6*z + 62*y^7*z - 207*y^2*z^2 + 442*y^3*z^2 + 360*y^4*z^2 - 1062*y^5*z^2 + 422*y^6*z^2 - 539*y*z^3 + 2028*y^2*z^3 - 1446*y^3*z^3 - 1092*y^4*z^3 + 972*y^5*z^3 - 374*z^4 + 3299*y*z^4 - 6102*y^2*z^4 + 2736*y^3*z^4 + 444*y^4*z^4 + 1532*z^5 - 6678*y*z^5 + 7002*y^2*z^5 - 1554*y^3*z^5 - 2334*z^6 + 5618*y*z^6 - 2682*y^2*z^6 + 1568*z^7 - 1688*y*z^7 - 392*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 1 - y, 1 - y, 0, z] + ((6*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(y^2*z^2) + ((I/4)*(27*y^3 - 27*y^4 + 42*y^2*z - 73*y^3*z + 46*y^4*z - 13*y*z^2 + y^2*z^2 + 30*y^3*z^2 + 46*z^3 - 17*y*z^3 - 4*y^2*z^3 - 92*z^4 + 30*y*z^4 + 46*z^5))/(y^2*z^2))*G[-y, 1 - y, 1 - y, 1 - y, z] + ((Pi*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4))/(3*y^2*z^2) + ((I/36)*(-38*y^3 + 228*y^4 - 282*y^5 + 104*y^6 + 90*y^2*z - 166*y^3*z - 30*y^4*z - 162*y^5*z + 178*y^6*z - 108*y*z^2 + 252*y^2*z^2 - 303*y^3*z^2 - 315*y^4*z^2 + 480*y^5*z^2 + 70*z^3 + 210*y*z^3 - 822*y^2*z^3 + 433*y^3*z^3 + 318*y^4*z^3 - 436*z^4 + 573*y*z^4 - 9*y^2*z^4 + 32*y^3*z^4 + 840*z^5 - 1143*y*z^5 + 318*y^2*z^5 - 652*z^6 + 480*y*z^6 + 178*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[-y, 1 - y, -y, 1 - y, z] + (-1/3*(Pi*(-1 + y + z)*(11*y^3 + 22*y^3*z - 4*z^3 + 4*z^4))/ (y^2*z^2) + ((I/12)*(-7*y^4 + 7*y^5 + 21*y^3*z - 104*y^4*z + 36*y^5*z + 24*y^2*z^2 - 45*y^3*z^2 - 6*y^4*z^2 + 20*y*z^3 + 16*y^2*z^3 - 90*y^3*z^3 + 12*z^4 - 74*y*z^4 - 6*y^2*z^4 - 24*z^5 + 54*y*z^5 + 12*z^6))/(y^2*z^2*(y + z)))* G[-y, -y, 0, 1 - y, z] + (-1/3*(Pi*(-1 + y + z)*(11*y^3 + 22*y^3*z - 4*z^3 + 4*z^4))/ (y^2*z^2) + ((I/12)*(-7*y^4 + 7*y^5 + 21*y^3*z - 104*y^4*z + 36*y^5*z + 24*y^2*z^2 - 45*y^3*z^2 - 6*y^4*z^2 + 20*y*z^3 + 16*y^2*z^3 - 90*y^3*z^3 + 12*z^4 - 74*y*z^4 - 6*y^2*z^4 - 24*z^5 + 54*y*z^5 + 12*z^6))/(y^2*z^2*(y + z)))* G[-y, -y, 1 - y, 0, z] + ((Pi*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4))/ (3*y^2*z^2) + ((I/36)*(-136*y^3 + 390*y^4 - 399*y^5 + 133*y^6 + 234*y^2*z - 296*y^3*z + 132*y^4*z - 315*y^5*z + 236*y^6*z - 312*y*z^2 + 516*y^2*z^2 - 312*y^3*z^2 - 594*y^4*z^2 + 666*y^5*z^2 + 218*z^3 + 294*y*z^3 - 1218*y^2*z^3 + 494*y^3*z^3 + 540*y^4*z^3 - 908*z^4 + 1023*y*z^4 - 99*y^2*z^4 + 220*y^3*z^4 + 1398*z^5 - 1683*y*z^5 + 540*y^2*z^5 - 944*z^6 + 666*y*z^6 + 236*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[-y, -y, 1 - y, 1 - y, z] + ((Pi*(-1 + y + z)*(7*y^3 + 14*y^3*z - y*z^2 - 14*z^3 + 14*z^4))/ (y^2*z^2) - ((I/12)*(-47*y^3 + 179*y^4 - 197*y^5 + 69*y^6 - 61*y^3*z + 212*y^4*z - 361*y^5*z + 180*y^6*z + 5*y*z^2 - 31*y^2*z^2 + 425*y^3*z^2 - 923*y^4*z^2 + 526*y^5*z^2 + 144*z^3 - 419*y*z^3 + 424*y^2*z^3 - 607*y^3*z^3 + 484*y^4*z^3 - 628*z^4 + 1412*y*z^4 - 934*y^2*z^4 + 276*y^3*z^4 + 1004*z^5 - 1520*y*z^5 + 484*y^2*z^5 - 700*z^6 + 526*y*z^6 + 180*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[-y, -y, -y, 1 - y, z] - ((I/6)*(-15*y^3 + 15*y^4 + 4*z - 12*y*z + 12*y^2*z - 9*y^3*z - 16*z^2 + 36*y*z^2 - 24*y^2*z^2 + 24*y^3*z^2 + 24*z^3 - 36*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 0, 0, 0, 1, y])/ (y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 0, 0, 1 - y, z])/y^2 + ((I/6)*(-9*y^3 + 9*y^4 - 62*z + 186*y*z - 186*y^2*z + 61*y^3*z + 248*z^2 - 558*y*z^2 + 372*y^2*z^2 - 52*y^3*z^2 - 372*z^3 + 558*y*z^3 - 186*y^2*z^3 + 248*z^4 - 186*y*z^4 - 62*z^5)* G[0, 0, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) - (((5*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y^3 + 3*y^4 - 22*z + 66*y*z - 66*y^2*z - 25*y^3*z + 88*z^2 - 198*y*z^2 + 132*y^2*z^2 + 28*y^3*z^2 - 132*z^3 + 198*y*z^3 - 66*y^2*z^3 + 88*z^4 - 66*y*z^4 - 22*z^5)* G[0, 0, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 1 - y, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 1 - y, 1 - y, z])/y^2 - ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 48*y^3*z^2 - 54*y^4*z^2 + 24*y^5*z^2 + 46*z^3 - 165*y*z^3 + 192*y^2*z^3 - 94*y^3*z^3 + 24*y^4*z^3 - 184*z^4 + 441*y*z^4 - 303*y^2*z^4 + 46*y^3*z^4 + 276*z^5 - 423*y*z^5 + 138*y^2*z^5 - 184*z^6 + 138*y*z^6 + 46*z^7)* G[0, 0, 0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y^3 + 9*y^4 + 28*z - 84*y*z + 84*y^2*z - 17*y^3*z - 112*z^2 + 252*y*z^2 - 168*y^2*z^2 + 26*y^3*z^2 + 168*z^3 - 252*y*z^3 + 84*y^2*z^3 - 112*z^4 + 84*y*z^4 + 28*z^5)* G[0, 0, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) + (((10*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 0, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-3*y^3 + 3*y^4 + 8*z - 24*y*z + 24*y^2*z - y^3*z - 32*z^2 + 72*y*z^2 - 48*y^2*z^2 + 4*y^3*z^2 + 48*z^3 - 72*y*z^3 + 24*y^2*z^3 - 32*z^4 + 24*y*z^4 + 8*z^5)*G[0, 0, 1, 0, 1, y])/ (y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)* G[0, 0, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 9*y^4 + 36*z - 108*y*z + 108*y^2*z - 53*y^3*z - 144*z^2 + 324*y*z^2 - 216*y^2*z^2 + 62*y^3*z^2 + 216*z^3 - 324*y*z^3 + 108*y^2*z^3 - 144*z^4 + 108*y*z^4 + 36*z^5)* G[0, 0, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) - (((23*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 0, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((26*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, 1, 1, y])/y^2 + (((4*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[0, 0, 1, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, 0, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, 0, 1 - y, z])/y^2 - ((I/3)*(-1 + z)*z*(-11 + 33*y - 33*y^2 + 38*y^3 + 33*z - 66*y*z + 33*y^2*z - 33*z^2 + 33*y*z^2 + 11*z^3)*G[0, 0, 1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, 1 - y, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, 1 - y, 1 - y, z])/ y^2 + ((I/6)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 54*y^3*z^2 - 72*y^4*z^2 + 36*y^5*z^2 + 110*z^3 - 357*y*z^3 + 384*y^2*z^3 - 160*y^3*z^3 + 36*y^4*z^3 - 440*z^4 + 1017*y*z^4 - 687*y^2*z^4 + 106*y^3*z^4 + 660*z^5 - 999*y*z^5 + 330*y^2*z^5 - 440*z^6 + 330*y*z^6 + 110*z^7)* G[0, 0, 1 - y, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 6*z^3 + 6*z^4)* G[0, 0, -y, 0, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 6*z^3 + 6*z^4)* G[0, 0, -y, 1 - y, 0, z])/(y^2*z^2) + ((I/6)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 51*y^3*z^2 - 69*y^4*z^2 + 36*y^5*z^2 + 114*z^3 - 369*y*z^3 + 396*y^2*z^3 - 85*y^3*z^3 + 36*y^4*z^3 - 456*z^4 + 1053*y*z^4 - 711*y^2*z^4 + 34*y^3*z^4 + 684*z^5 - 1035*y*z^5 + 342*y^2*z^5 - 456*z^6 + 342*y*z^6 + 114*z^7)* G[0, 0, -y, 1 - y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z - 3*y*z^2 + 9*y^2*z^2 - 3*y^3*z^2 - 15*y^4*z^2 + 12*y^5*z^2 - 18*z^3 + 63*y*z^3 - 72*y^2*z^3 + 7*y^3*z^3 + 12*y^4*z^3 + 72*z^4 - 171*y*z^4 + 117*y^2*z^4 - 4*y^3*z^4 - 108*z^5 + 165*y*z^5 - 54*y^2*z^5 + 72*z^6 - 54*y*z^6 - 18*z^7)*G[0, 0, -y, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z* (1 - 3*y + 3*y^2 + 15*y^3 - 3*z + 6*y*z - 3*y^2*z + 3*z^2 - 3*y*z^2 - z^3)*G[0, 1, 0, 0, 0, y])/(y^2*(-1 + y + z)^2) + (((32*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((I/6)*(-3*y^3 + 3*y^4 - 44*z + 132*y*z - 132*y^2*z - 85*y^3*z + 176*z^2 - 396*y*z^2 + 264*y^2*z^2 + 88*y^3*z^2 - 264*z^3 + 396*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y*z^4 - 44*z^5)* G[0, 1, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 13*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)*G[0, 1, 0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-3*y^3 + 3*y^4 + 25*z - 75*y*z + 75*y^2*z - 56*y^3*z - 100*z^2 + 225*y*z^2 - 150*y^2*z^2 + 59*y^3*z^2 + 150*z^3 - 225*y*z^3 + 75*y^2*z^3 - 100*z^4 + 75*y*z^4 + 25*z^5)*G[0, 1, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((10*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + ((I/6)*(3*y - 9*y^2 + 3*y^3 + 3*y^4 - 34*z + 93*y*z - 84*y^2*z - 45*y^3*z + 136*z^2 - 297*y*z^2 + 195*y^2*z^2 + 42*y^3*z^2 - 204*z^3 + 303*y*z^3 - 102*y^2*z^3 + 136*z^4 - 102*y*z^4 - 34*z^5)* G[0, 1, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 13*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)*G[0, 1, 0, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(3 - 9*y + 9*y^2 + y^3 - 9*z + 18*y*z - 9*y^2*z + 9*z^2 - 9*y*z^2 - 3*z^3)* G[0, 1, 0, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 24*z + 81*y*z - 90*y^2*z - 4*y^3*z + 96*z^2 - 225*y*z^2 + 153*y^2*z^2 + 16*y^3*z^2 - 144*z^3 + 219*y*z^3 - 72*y^2*z^3 + 96*z^4 - 72*y*z^4 - 24*z^5)* G[0, 1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y^3 + 3*y^4 - 24*z + 72*y*z - 72*y^2*z + 25*y^3*z + 96*z^2 - 216*y*z^2 + 144*y^2*z^2 - 22*y^3*z^2 - 144*z^3 + 216*y*z^3 - 72*y^2*z^3 + 96*z^4 - 72*y*z^4 - 24*z^5)* G[0, 1, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 15*y^3 + 9*y^4 - 74*z + 231*y*z - 240*y^2*z + 31*y^3*z + 296*z^2 - 675*y*z^2 + 453*y^2*z^2 - 16*y^3*z^2 - 444*z^3 + 669*y*z^3 - 222*y^2*z^3 + 296*z^4 - 222*y*z^4 - 74*z^5)* G[0, 1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(2 - 6*y + 6*y^2 + 9*y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3)*G[0, 1, 1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 9*y^4 + 6*z - 18*y*z + 18*y^2*z - 83*y^3*z - 24*z^2 + 54*y*z^2 - 36*y^2*z^2 + 92*y^3*z^2 + 36*z^3 - 54*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5)* G[0, 1, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((28*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, 1, 1, y])/y^2 + (((2*I)/3)*(-1 + z)*z*(2 - 6*y + 6*y^2 + 9*y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3)*G[0, 1, 1, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 13*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)* G[0, 1, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(3 - 9*y + 9*y^2 + y^3 - 9*z + 18*y*z - 9*y^2*z + 9*z^2 - 9*y*z^2 - 3*z^3)*G[0, 1, 1 - y, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-10 + 30*y - 30*y^2 + 7*y^3 + 30*z - 60*y*z + 30*y^2*z - 30*z^2 + 30*y*z^2 + 10*z^3)* G[0, 1, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(3 - 9*y + 9*y^2 + y^3 - 9*z + 18*y*z - 9*y^2*z + 9*z^2 - 9*y*z^2 - 3*z^3)*G[0, 1, 1 - y, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 24*z + 81*y*z - 90*y^2*z - 4*y^3*z + 96*z^2 - 225*y*z^2 + 153*y^2*z^2 + 16*y^3*z^2 - 144*z^3 + 219*y*z^3 - 72*y^2*z^3 + 96*z^4 - 72*y*z^4 - 24*z^5)*G[0, 1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 0, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 0, 1 - y, z])/y^2 + (((2*I)/3)*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z + 9*y^3*z^2 - 27*y^4*z^2 + 18*y^5*z^2 - 10*z^3 + 30*y*z^3 - 30*y^2*z^3 - 19*y^3*z^3 + 18*y^4*z^3 + 40*z^4 - 90*y*z^4 + 60*y^2*z^4 + 10*y^3*z^4 - 60*z^5 + 90*y*z^5 - 30*y^2*z^5 + 40*z^6 - 30*y*z^6 - 10*z^7)*G[0, 1 - y, 0, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, 0, 1 - y, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 1 - y, 1 - y, z])/ y^2 - ((I/6)*(-7*y^3 + 21*y^4 - 21*y^5 + 7*y^6 + 7*y^3*z - 21*y^5*z + 14*y^6*z - 6*y*z^2 + 18*y^2*z^2 - 6*y^3*z^2 - 48*y^4*z^2 + 42*y^5*z^2 - 92*z^3 + 294*y*z^3 - 312*y^2*z^3 - 22*y^3*z^3 + 42*y^4*z^3 + 368*z^4 - 846*y*z^4 + 570*y^2*z^4 + 28*y^3*z^4 - 552*z^5 + 834*y*z^5 - 276*y^2*z^5 + 368*z^6 - 276*y*z^6 - 92*z^7)* G[0, 1 - y, 0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-9 + 27*y - 27*y^2 + 17*y^3 + 27*z - 54*y*z + 27*y^2*z - 27*z^2 + 27*y*z^2 + 9*z^3)*G[0, 1 - y, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 7*z^3 + 21*y*z^3 - 21*y^2*z^3 + y^3*z^3 + 6*y^4*z^3 + 28*z^4 - 63*y*z^4 + 42*y^2*z^4 - 4*y^3*z^4 - 42*z^5 + 63*y*z^5 - 21*y^2*z^5 + 28*z^6 - 21*y*z^6 - 7*z^7)*G[0, 1 - y, 1, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-33 + 99*y - 99*y^2 + 40*y^3 + 99*z - 198*y*z + 99*y^2*z - 99*z^2 + 99*y*z^2 + 33*z^3)*G[0, 1 - y, 1, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 7*z^3 + 21*y*z^3 - 21*y^2*z^3 + y^3*z^3 + 6*y^4*z^3 + 28*z^4 - 63*y*z^4 + 42*y^2*z^4 - 4*y^3*z^4 - 42*z^5 + 63*y*z^5 - 21*y^2*z^5 + 28*z^6 - 21*y*z^6 - 7*z^7)*G[0, 1 - y, 1, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, 1 - y, 0, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 0, 1 - y, z])/ y^2 - ((I/3)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 18*y^3*z^2 - 54*y^4*z^2 + 36*y^5*z^2 - 55*z^3 + 165*y*z^3 - 165*y^2*z^3 - y^3*z^3 + 36*y^4*z^3 + 220*z^4 - 495*y*z^4 + 330*y^2*z^4 - 17*y^3*z^4 - 330*z^5 + 495*y*z^5 - 165*y^2*z^5 + 220*z^6 - 165*y*z^6 - 55*z^7)*G[0, 1 - y, 1 - y, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 1 - y, 0, z])/ y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1 - y, 1 - y, 1 - y, z])/y^2 + ((I/6)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 9*y*z^2 + 27*y^2*z^2 - 33*y^3*z^2 + 9*y^4*z^2 + 6*y^5*z^2 - 22*z^3 + 93*y*z^3 - 120*y^2*z^3 - 61*y^3*z^3 + 6*y^4*z^3 + 88*z^4 - 225*y*z^4 + 159*y^2*z^4 + 94*y^3*z^4 - 132*z^5 + 207*y*z^5 - 66*y^2*z^5 + 88*z^6 - 66*y*z^6 - 22*z^7)* G[0, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y^3*z^2 - 18*y^4*z^2 + 12*y^5*z^2 - 7*z^3 + 21*y*z^3 - 21*y^2*z^3 - 2*y^3*z^3 + 12*y^4*z^3 + 28*z^4 - 63*y*z^4 + 42*y^2*z^4 - 4*y^3*z^4 - 42*z^5 + 63*y*z^5 - 21*y^2*z^5 + 28*z^6 - 21*y*z^6 - 7*z^7)*G[0, 1 - y, -y, 0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y^3*z^2 - 18*y^4*z^2 + 12*y^5*z^2 - 7*z^3 + 21*y*z^3 - 21*y^2*z^3 - 2*y^3*z^3 + 12*y^4*z^3 + 28*z^4 - 63*y*z^4 + 42*y^2*z^4 - 4*y^3*z^4 - 42*z^5 + 63*y*z^5 - 21*y^2*z^5 + 28*z^6 - 21*y*z^6 - 7*z^7)* G[0, 1 - y, -y, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 39*y^3*z^2 - 63*y^4*z^2 + 36*y^5*z^2 + 18*z^3 - 72*y*z^3 + 90*y^2*z^3 - 23*y^3*z^3 + 36*y^4*z^3 - 72*z^4 + 180*y*z^4 - 126*y^2*z^4 - 16*y^3*z^4 + 108*z^5 - 168*y*z^5 + 54*y^2*z^5 - 72*z^6 + 54*y*z^6 + 18*z^7)* G[0, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-8*y^3 + 24*y^4 - 24*y^5 + 8*y^6 + 8*y^3*z - 24*y^5*z + 16*y^6*z - 9*y*z^2 + 27*y^2*z^2 - 3*y^3*z^2 - 63*y^4*z^2 + 48*y^5*z^2 - 66*z^3 + 225*y*z^3 - 252*y^2*z^3 + 31*y^3*z^3 + 48*y^4*z^3 + 264*z^4 - 621*y*z^4 + 423*y^2*z^4 - 28*y^3*z^4 - 396*z^5 + 603*y*z^5 - 198*y^2*z^5 + 264*z^6 - 198*y*z^6 - 66*z^7)* G[0, 1 - y, -y, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 12*y^3*z^2 - 36*y^4*z^2 + 24*y^5*z^2 - 2*z^3 + 6*y*z^3 - 6*y^2*z^3 - 9*y^3*z^3 + 24*y^4*z^3 + 8*z^4 - 18*y*z^4 + 12*y^2*z^4 - 3*y^3*z^4 - 12*z^5 + 18*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7)*G[0, -y, 0, 0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 18*y^3*z^2 - 54*y^4*z^2 + 36*y^5*z^2 - 55*z^3 + 165*y*z^3 - 165*y^2*z^3 + 16*y^3*z^3 + 36*y^4*z^3 + 220*z^4 - 495*y*z^4 + 330*y^2*z^4 - 34*y^3*z^4 - 330*z^5 + 495*y*z^5 - 165*y^2*z^5 + 220*z^6 - 165*y*z^6 - 55*z^7)* G[0, -y, 0, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 12*y^3*z^2 - 36*y^4*z^2 + 24*y^5*z^2 - 2*z^3 + 6*y*z^3 - 6*y^2*z^3 - 9*y^3*z^3 + 24*y^4*z^3 + 8*z^4 - 18*y*z^4 + 12*y^2*z^4 - 3*y^3*z^4 - 12*z^5 + 18*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7)*G[0, -y, 0, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 + 16*z^3 - 48*y*z^3 + 48*y^2*z^3 - 33*y^3*z^3 + 30*y^4*z^3 - 64*z^4 + 144*y*z^4 - 96*y^2*z^4 + 18*y^3*z^4 + 96*z^5 - 144*y*z^5 + 48*y^2*z^5 - 64*z^6 + 48*y*z^6 + 16*z^7)* G[0, -y, 0, 1 - y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/2)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 13*y^3*z^2 - 37*y^4*z^2 + 24*y^5*z^2 + 4*z^3 - 12*y*z^3 + 12*y^2*z^3 - 13*y^3*z^3 + 24*y^4*z^3 - 16*z^4 + 36*y*z^4 - 24*y^2*z^4 + 24*z^5 - 36*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7)*G[0, -y, 0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 12*y^3*z^2 - 36*y^4*z^2 + 24*y^5*z^2 - 2*z^3 + 6*y*z^3 - 6*y^2*z^3 - 9*y^3*z^3 + 24*y^4*z^3 + 8*z^4 - 18*y*z^4 + 12*y^2*z^4 - 3*y^3*z^4 - 12*z^5 + 18*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7)*G[0, -y, 1 - y, 0, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 + 16*z^3 - 48*y*z^3 + 48*y^2*z^3 - 33*y^3*z^3 + 30*y^4*z^3 - 64*z^4 + 144*y*z^4 - 96*y^2*z^4 + 18*y^3*z^4 + 96*z^5 - 144*y*z^5 + 48*y^2*z^5 - 64*z^6 + 48*y*z^6 + 16*z^7)* G[0, -y, 1 - y, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 18*y^3*z^2 - 54*y^4*z^2 + 36*y^5*z^2 - 55*z^3 + 165*y*z^3 - 165*y^2*z^3 + 16*y^3*z^3 + 36*y^4*z^3 + 220*z^4 - 495*y*z^4 + 330*y^2*z^4 - 34*y^3*z^4 - 330*z^5 + 495*y*z^5 - 165*y^2*z^5 + 220*z^6 - 165*y*z^6 - 55*z^7)*G[0, -y, 1 - y, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 + 16*z^3 - 48*y*z^3 + 48*y^2*z^3 - 33*y^3*z^3 + 30*y^4*z^3 - 64*z^4 + 144*y*z^4 - 96*y^2*z^4 + 18*y^3*z^4 + 96*z^5 - 144*y*z^5 + 48*y^2*z^5 - 64*z^6 + 48*y*z^6 + 16*z^7)*G[0, -y, 1 - y, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-1 + y + z)*(10*y^3 + 20*y^3*z - 9*y*z^2 - 2*z^3 + 2*z^4)* G[0, -y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/6)*(5*y^3 - 10*y^4 + 5*y^5 - 10*y^4*z + 10*y^5*z - 3*y*z^2 + 6*y^2*z^2 - 15*y^3*z^2 + 20*y^4*z^2 - 42*z^3 + 90*y*z^3 - 48*y^2*z^3 + 10*y^3*z^3 + 126*z^4 - 171*y*z^4 + 42*y^2*z^4 - 126*z^5 + 84*y*z^5 + 42*z^6)*G[0, -y, 1 - y, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)) + ((I/6)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 8*z^3 - 8*z^4)*G[0, -y, -y, 0, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 8*z^3 - 8*z^4)* G[0, -y, -y, 1 - y, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(y^3 + 2*y^3*z - 3*y*z^2 - 50*z^3 + 50*z^4)* G[0, -y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/6)*(17*y^3 - 34*y^4 + 17*y^5 - 34*y^4*z + 34*y^5*z + 6*y*z^2 - 12*y^2*z^2 - 48*y^3*z^2 + 68*y^4*z^2 + 60*z^3 - 132*y*z^3 + 72*y^2*z^3 + 34*y^3*z^3 - 180*z^4 + 246*y*z^4 - 60*y^2*z^4 + 180*z^5 - 120*y*z^5 - 60*z^6)*G[0, -y, -y, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)) - (((34*I)/3)*y*(-1 + z)*z* G[1, 0, 0, 0, 0, y])/(-1 + y + z)^2 + (((34*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((I/6)*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 - 86*z + 285*y*z - 312*y^2*z + 119*y^3*z + 344*z^2 - 801*y*z^2 + 543*y^2*z^2 - 92*y^3*z^2 - 516*z^3 + 783*y*z^3 - 258*y^2*z^3 + 344*z^4 - 258*y*z^4 - 86*z^5)* G[1, 0, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-20 + 60*y - 60*y^2 + 51*y^3 + 60*z - 120*y*z + 60*y^2*z - 60*z^2 + 60*y*z^2 + 20*z^3)*G[1, 0, 0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + ((I/6)*(-6*y + 18*y^2 - 21*y^3 + 9*y^4 - 58*z + 192*y*z - 210*y^2*z + 5*y^3*z + 232*z^2 - 540*y*z^2 + 366*y^2*z^2 + 16*y^3*z^2 - 348*z^3 + 528*y*z^3 - 174*y^2*z^3 + 232*z^4 - 174*y*z^4 - 58*z^5)*G[1, 0, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) - (((5*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 2*z + 15*y*z - 24*y^2*z - 13*y^3*z + 8*z^2 - 27*y*z^2 + 21*y^2*z^2 + 22*y^3*z^2 - 12*z^3 + 21*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)* G[1, 0, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-20 + 60*y - 60*y^2 + 51*y^3 + 60*z - 120*y*z + 60*y^2*z - 60*z^2 + 60*y*z^2 + 20*z^3)*G[1, 0, 0, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 17*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)* G[1, 0, 0, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 42*z + 135*y*z - 144*y^2*z + 116*y^3*z + 168*z^2 - 387*y*z^2 + 261*y^2*z^2 - 104*y^3*z^2 - 252*z^3 + 381*y*z^3 - 126*y^2*z^3 + 168*z^4 - 126*y*z^4 - 42*z^5)* G[1, 0, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/6)*(-6*y + 18*y^2 - 15*y^3 + 3*y^4 - 76*z + 246*y*z - 264*y^2*z + 57*y^3*z + 304*z^2 - 702*y*z^2 + 474*y^2*z^2 - 42*y^3*z^2 - 456*z^3 + 690*y*z^3 - 228*y^2*z^3 + 304*z^4 - 228*y*z^4 - 76*z^5)* G[1, 0, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) + (((26*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 34*z + 111*y*z - 120*y^2*z + 68*y^3*z + 136*z^2 - 315*y*z^2 + 213*y^2*z^2 - 59*y^3*z^2 - 204*z^3 + 309*y*z^3 - 102*y^2*z^3 + 136*z^4 - 102*y*z^4 - 34*z^5)* G[1, 0, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-8 + 24*y - 24*y^2 + 3*y^3 + 24*z - 48*y*z + 24*y^2*z - 24*z^2 + 24*y*z^2 + 8*z^3)*G[1, 0, 1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((I/6)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 132*z + 405*y*z - 414*y^2*z + 97*y^3*z + 528*z^2 - 1197*y*z^2 + 801*y^2*z^2 - 88*y^3*z^2 - 792*z^3 + 1191*y*z^3 - 396*y^2*z^3 + 528*z^4 - 396*y*z^4 - 132*z^5)*G[1, 0, 1, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (((31*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-16 + 48*y - 48*y^2 + 15*y^3 + 48*z - 96*y*z + 48*y^2*z - 48*z^2 + 48*y*z^2 + 16*z^3)*G[1, 0, 1, 1, 1, y])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-8 + 24*y - 24*y^2 + 3*y^3 + 24*z - 48*y*z + 24*y^2*z - 24*z^2 + 24*y*z^2 + 8*z^3)* G[1, 0, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-20 + 60*y - 60*y^2 + 51*y^3 + 60*z - 120*y*z + 60*y^2*z - 60*z^2 + 60*y*z^2 + 20*z^3)*G[1, 0, 1 - y, 0, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 17*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)* G[1, 0, 1 - y, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-28 + 84*y - 84*y^2 + 43*y^3 + 84*z - 168*y*z + 84*y^2*z - 84*z^2 + 84*y*z^2 + 28*z^3)*G[1, 0, 1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 17*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)* G[1, 0, 1 - y, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1 - y, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 22*z + 75*y*z - 84*y^2*z - 19*y^3*z + 88*z^2 - 207*y*z^2 + 141*y^2*z^2 + 31*y^3*z^2 - 132*z^3 + 201*y*z^3 - 66*y^2*z^3 + 88*z^4 - 66*y*z^4 - 22*z^5)* G[1, 0, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[1, 0, -y, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)* G[1, 0, -y, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 28*z + 93*y*z - 102*y^2*z - 6*y^3*z + 112*z^2 - 261*y*z^2 + 177*y^2*z^2 + 18*y^3*z^2 - 168*z^3 + 255*y*z^3 - 84*y^2*z^3 + 112*z^4 - 84*y*z^4 - 28*z^5)* G[1, 0, -y, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z - 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 24*y^3*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)* G[1, 0, -y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((26*I)/3)*y*(-1 + z)*z*G[1, 1, 0, 0, 0, y])/(-1 + y + z)^2 + ((5*I)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((I/6)*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 - 26*z + 105*y*z - 132*y^2*z + 89*y^3*z + 104*z^2 - 261*y*z^2 + 183*y^2*z^2 - 62*y^3*z^2 - 156*z^3 + 243*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[1, 1, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) + (((26*I)/3)*y*(-1 + z)*z*G[1, 1, 0, 0, 1 - y, z])/(-1 + y + z)^2 + (((2*I)/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 + 4*z - 3*y*z - 6*y^2*z + 13*y^3*z - 16*z^2 + 27*y*z^2 - 15*y^2*z^2 - 4*y^3*z^2 + 24*z^3 - 33*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)* G[1, 1, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((26*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + ((I/6)*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 + 2*z + 21*y*z - 48*y^2*z + 53*y^3*z - 8*z^2 - 9*y*z^2 + 15*y^2*z^2 - 26*y^3*z^2 + 12*z^3 - 9*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 1, 0, 1, 1, y])/ (y^2*(-1 + y + z)^2) + (((26*I)/3)*y*(-1 + z)*z*G[1, 1, 0, 1 - y, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(4 - 12*y + 12*y^2 + 9*y^3 - 12*z + 24*y*z - 12*y^2*z + 12*z^2 - 12*y*z^2 - 4*z^3)* G[1, 1, 0, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-6*y + 18*y^2 - 24*y^3 + 12*y^4 - 38*z + 132*y*z - 150*y^2*z + 33*y^3*z + 152*z^2 - 360*y*z^2 + 246*y^2*z^2 - 9*y^3*z^2 - 228*z^3 + 348*y*z^3 - 114*y^2*z^3 + 152*z^4 - 114*y*z^4 - 38*z^5)* G[1, 1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 50*z + 159*y*z - 168*y^2*z + 37*y^3*z + 200*z^2 - 459*y*z^2 + 309*y^2*z^2 - 28*y^3*z^2 - 300*z^3 + 453*y*z^3 - 150*y^2*z^3 + 200*z^4 - 150*y*z^4 - 50*z^5)* G[1, 1, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) + (((34*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + ((I/6)*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 - 10*z + 57*y*z - 84*y^2*z - 25*y^3*z + 40*z^2 - 117*y*z^2 + 87*y^2*z^2 + 52*y^3*z^2 - 60*z^3 + 99*y*z^3 - 30*y^2*z^3 + 40*z^4 - 30*y*z^4 - 10*z^5)* G[1, 1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(2 - 6*y + 6*y^2 + 9*y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3)*G[1, 1, 1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((I/6)*(-15*y + 45*y^2 - 45*y^3 + 15*y^4 - 20*z + 105*y*z - 150*y^2*z + 69*y^3*z + 80*z^2 - 225*y*z^2 + 165*y^2*z^2 - 24*y^3*z^2 - 120*z^3 + 195*y*z^3 - 60*y^2*z^3 + 80*z^4 - 60*y*z^4 - 20*z^5)*G[1, 1, 1, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (I*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(2 - 6*y + 6*y^2 + 9*y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3)*G[1, 1, 1, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) + (((26*I)/3)*y*(-1 + z)*z*G[1, 1, 1 - y, 0, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(4 - 12*y + 12*y^2 + 9*y^3 - 12*z + 24*y*z - 12*y^2*z + 12*z^2 - 12*y*z^2 - 4*z^3)* G[1, 1, 1 - y, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 27*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3)*G[1, 1, 1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(4 - 12*y + 12*y^2 + 9*y^3 - 12*z + 24*y*z - 12*y^2*z + 12*z^2 - 12*y*z^2 - 4*z^3)* G[1, 1, 1 - y, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-6*y + 18*y^2 - 24*y^3 + 12*y^4 - 38*z + 132*y*z - 150*y^2*z + 33*y^3*z + 152*z^2 - 360*y*z^2 + 246*y^2*z^2 - 9*y^3*z^2 - 228*z^3 + 348*y*z^3 - 114*y^2*z^3 + 152*z^4 - 114*y*z^4 - 38*z^5)* G[1, 1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-20 + 60*y - 60*y^2 + 51*y^3 + 60*z - 120*y*z + 60*y^2*z - 60*z^2 + 60*y*z^2 + 20*z^3)*G[1, 1 - y, 0, 0, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 17*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)* G[1, 1 - y, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-28 + 84*y - 84*y^2 + 43*y^3 + 84*z - 168*y*z + 84*y^2*z - 84*z^2 + 84*y*z^2 + 28*z^3)*G[1, 1 - y, 0, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 17*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)* G[1, 1 - y, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 22*z + 75*y*z - 84*y^2*z - 19*y^3*z + 88*z^2 - 207*y*z^2 + 141*y^2*z^2 + 31*y^3*z^2 - 132*z^3 + 201*y*z^3 - 66*y^2*z^3 + 88*z^4 - 66*y*z^4 - 22*z^5)* G[1, 1 - y, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((26*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[1, 1 - y, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(10 - 30*y + 30*y^2 + 31*y^3 - 30*z + 60*y*z - 30*y^2*z + 30*z^2 - 30*y*z^2 - 10*z^3)* G[1, 1 - y, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-20 + 60*y - 60*y^2 + 53*y^3 + 60*z - 120*y*z + 60*y^2*z - 60*z^2 + 60*y*z^2 + 20*z^3)*G[1, 1 - y, 1, 1, 0, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(10 - 30*y + 30*y^2 + 31*y^3 - 30*z + 60*y*z - 30*y^2*z + 30*z^2 - 30*y*z^2 - 10*z^3)* G[1, 1 - y, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 17*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)*G[1, 1 - y, 1 - y, 0, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1 - y, 1 - y, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (((40*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1, 1 - y, 1 - y, 1, 0, z])/y^2 + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 1 - y, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 19*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 31*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[1, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[1, 1 - y, -y, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)* G[1, 1 - y, -y, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 28*z + 93*y*z - 102*y^2*z - 6*y^3*z + 112*z^2 - 261*y*z^2 + 177*y^2*z^2 + 18*y^3*z^2 - 168*z^3 + 255*y*z^3 - 84*y^2*z^3 + 112*z^4 - 84*y*z^4 - 28*z^5)* G[1, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z - 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 24*y^3*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)* G[1, 1 - y, -y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 0, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 0, 1 - y, z])/y^2 - ((I/6)*(-57*y^3 + 171*y^4 - 171*y^5 + 57*y^6 + 57*y^3*z - 171*y^5*z + 114*y^6*z + 171*y^3*z^2 - 513*y^4*z^2 + 342*y^5*z^2 + 22*z^3 - 66*y*z^3 + 66*y^2*z^3 - 309*y^3*z^3 + 342*y^4*z^3 - 88*z^4 + 198*y*z^4 - 132*y^2*z^4 + 138*y^3*z^4 + 132*z^5 - 198*y*z^5 + 66*y^2*z^5 - 88*z^6 + 66*y*z^6 + 22*z^7)*G[1 - y, 0, 0, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 0, 1 - y, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 1 - y, 1 - y, z])/ y^2 + ((I/6)*(-26*y^3 + 78*y^4 - 78*y^5 + 26*y^6 + 26*y^3*z - 78*y^5*z + 52*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 102*y^3*z^2 - 240*y^4*z^2 + 156*y^5*z^2 + 110*z^3 - 357*y*z^3 + 384*y^2*z^3 - 288*y^3*z^3 + 156*y^4*z^3 - 440*z^4 + 1017*y*z^4 - 687*y^2*z^4 + 186*y^3*z^4 + 660*z^5 - 999*y*z^5 + 330*y^2*z^5 - 440*z^6 + 330*y*z^6 + 110*z^7)*G[1 - y, 0, 0, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-23*y^3 + 69*y^4 - 69*y^5 + 23*y^6 + 23*y^3*z - 69*y^5*z + 46*y^6*z + 69*y^3*z^2 - 207*y^4*z^2 + 138*y^5*z^2 + 18*z^3 - 54*y*z^3 + 54*y^2*z^3 - 121*y^3*z^3 + 138*y^4*z^3 - 72*z^4 + 162*y*z^4 - 108*y^2*z^4 + 52*y^3*z^4 + 108*z^5 - 162*y*z^5 + 54*y^2*z^5 - 72*z^6 + 54*y*z^6 + 18*z^7)*G[1 - y, 0, 1, 0, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 14*z^3 + 42*y*z^3 - 42*y^2*z^3 + 17*y^3*z^3 + 6*y^4*z^3 + 56*z^4 - 126*y*z^4 + 84*y^2*z^4 - 20*y^3*z^4 - 84*z^5 + 126*y*z^5 - 42*y^2*z^5 + 56*z^6 - 42*y*z^6 - 14*z^7)*G[1 - y, 0, 1, 0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-11*y^3 + 33*y^4 - 33*y^5 + 11*y^6 + 11*y^3*z - 33*y^5*z + 22*y^6*z + 33*y^3*z^2 - 99*y^4*z^2 + 66*y^5*z^2 + 66*z^3 - 198*y*z^3 + 198*y^2*z^3 - 137*y^3*z^3 + 66*y^4*z^3 - 264*z^4 + 594*y*z^4 - 396*y^2*z^4 + 104*y^3*z^4 + 396*z^5 - 594*y*z^5 + 198*y^2*z^5 - 264*z^6 + 198*y*z^6 + 66*z^7)* G[1 - y, 0, 1, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 14*z^3 + 42*y*z^3 - 42*y^2*z^3 + 17*y^3*z^3 + 6*y^4*z^3 + 56*z^4 - 126*y*z^4 + 84*y^2*z^4 - 20*y^3*z^4 - 84*z^5 + 126*y*z^5 - 42*y^2*z^5 + 56*z^6 - 42*y*z^6 - 14*z^7)*G[1 - y, 0, 1, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 1 - y, 0, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 0, 1 - y, z])/ y^2 + ((I/6)*(-53*y^3 + 159*y^4 - 159*y^5 + 53*y^6 + 53*y^3*z - 159*y^5*z + 106*y^6*z + 159*y^3*z^2 - 477*y^4*z^2 + 318*y^5*z^2 + 92*z^3 - 276*y*z^3 + 276*y^2*z^3 - 371*y^3*z^3 + 318*y^4*z^3 - 368*z^4 + 828*y*z^4 - 552*y^2*z^4 + 212*y^3*z^4 + 552*z^5 - 828*y*z^5 + 276*y^2*z^5 - 368*z^6 + 276*y*z^6 + 92*z^7)* G[1 - y, 0, 1 - y, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 1 - y, 0, z])/ y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, 1 - y, 1 - y, z])/y^2 - ((I/6)*(-28*y^3 + 84*y^4 - 84*y^5 + 28*y^6 + 28*y^3*z - 84*y^5*z + 56*y^6*z + 12*y*z^2 - 36*y^2*z^2 + 117*y^3*z^2 - 261*y^4*z^2 + 168*y^5*z^2 + 40*z^3 - 156*y*z^3 + 192*y^2*z^3 - 237*y^3*z^3 + 168*y^4*z^3 - 160*z^4 + 396*y*z^4 - 276*y^2*z^4 + 120*y^3*z^4 + 240*z^5 - 372*y*z^5 + 120*y^2*z^5 - 160*z^6 + 120*y*z^6 + 40*z^7)*G[1 - y, 0, 1 - y, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 14*z^3 - 42*y*z^3 + 42*y^2*z^3 - 23*y^3*z^3 + 6*y^4*z^3 - 56*z^4 + 126*y*z^4 - 84*y^2*z^4 + 20*y^3*z^4 + 84*z^5 - 126*y*z^5 + 42*y^2*z^5 - 56*z^6 + 42*y*z^6 + 14*z^7)*G[1 - y, 0, -y, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 14*z^3 - 42*y*z^3 + 42*y^2*z^3 - 23*y^3*z^3 + 6*y^4*z^3 - 56*z^4 + 126*y*z^4 - 84*y^2*z^4 + 20*y^3*z^4 + 84*z^5 - 126*y*z^5 + 42*y^2*z^5 - 56*z^6 + 42*y*z^6 + 14*z^7)*G[1 - y, 0, -y, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + y + z)* (4*y^3 + 8*y^3*z + 3*y*z^2 + 9*z^3 - 9*z^4)*G[1 - y, 0, -y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 9*y*z^2 + 66*z^3 - 66*z^4)*G[1 - y, 0, -y, -y, 1 - y, z])/ (y^2*z^2) + ((I/3)*(-1 + z)*z*(1 - 3*y + 3*y^2 + 9*y^3 - 3*z + 6*y*z - 3*y^2*z + 3*z^2 - 3*y*z^2 - z^3)*G[1 - y, 1, 0, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y^3*z^2 - 18*y^4*z^2 + 12*y^5*z^2 + 8*z^3 - 24*y*z^3 + 24*y^2*z^3 - 13*y^3*z^3 + 12*y^4*z^3 - 32*z^4 + 72*y*z^4 - 48*y^2*z^4 + 7*y^3*z^4 + 48*z^5 - 72*y*z^5 + 24*y^2*z^5 - 32*z^6 + 24*y*z^6 + 8*z^7)*G[1 - y, 1, 0, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-21 + 63*y - 63*y^2 + 16*y^3 + 63*z - 126*y*z + 63*y^2*z - 63*z^2 + 63*y*z^2 + 21*z^3)*G[1 - y, 1, 0, 1, 0, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y^3*z^2 - 18*y^4*z^2 + 12*y^5*z^2 + 8*z^3 - 24*y*z^3 + 24*y^2*z^3 - 13*y^3*z^3 + 12*y^4*z^3 - 32*z^4 + 72*y*z^4 - 48*y^2*z^4 + 7*y^3*z^4 + 48*z^5 - 72*y*z^5 + 24*y^2*z^5 - 32*z^6 + 24*y*z^6 + 8*z^7)*G[1 - y, 1, 0, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 25*y^3*z^3 + 54*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 2*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)*G[1 - y, 1, 0, 1 - y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 69*y^3*z^2 - 93*y^4*z^2 + 54*y^5*z^2 + 110*z^3 - 375*y*z^3 + 420*y^2*z^3 - 221*y^3*z^3 + 54*y^4*z^3 - 440*z^4 + 1035*y*z^4 - 705*y^2*z^4 + 152*y^3*z^4 + 660*z^5 - 1005*y*z^5 + 330*y^2*z^5 - 440*z^6 + 330*y*z^6 + 110*z^7)* G[1 - y, 1, 0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-25 + 75*y - 75*y^2 + 24*y^3 + 75*z - 150*y*z + 75*y^2*z - 75*z^2 + 75*y*z^2 + 25*z^3)*G[1 - y, 1, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-4 + 12*y - 12*y^2 + 15*y^3 + 12*z - 24*y*z + 12*y^2*z - 12*z^2 + 12*y*z^2 + 4*z^3)* G[1 - y, 1, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-30 + 90*y - 90*y^2 + 47*y^3 + 90*z - 180*y*z + 90*y^2*z - 90*z^2 + 90*y*z^2 + 30*z^3)*G[1 - y, 1, 1, 1, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-4 + 12*y - 12*y^2 + 15*y^3 + 12*z - 24*y*z + 12*y^2*z - 12*z^2 + 12*y*z^2 + 4*z^3)* G[1 - y, 1, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y^3*z^2 - 18*y^4*z^2 + 12*y^5*z^2 + 8*z^3 - 24*y*z^3 + 24*y^2*z^3 - 13*y^3*z^3 + 12*y^4*z^3 - 32*z^4 + 72*y*z^4 - 48*y^2*z^4 + 7*y^3*z^4 + 48*z^5 - 72*y*z^5 + 24*y^2*z^5 - 32*z^6 + 24*y*z^6 + 8*z^7)*G[1 - y, 1, 1 - y, 0, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 25*y^3*z^3 + 54*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 2*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)* G[1 - y, 1, 1 - y, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + (I*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z + 9*y^3*z^2 - 27*y^4*z^2 + 18*y^5*z^2 + 2*z^3 - 6*y*z^3 + 6*y^2*z^3 - 13*y^3*z^3 + 18*y^4*z^3 - 8*z^4 + 18*y*z^4 - 12*y^2*z^4 + 4*y^3*z^4 + 12*z^5 - 18*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7)*G[1 - y, 1, 1 - y, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 25*y^3*z^3 + 54*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 2*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)*G[1 - y, 1, 1 - y, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 69*y^3*z^2 - 93*y^4*z^2 + 54*y^5*z^2 + 110*z^3 - 375*y*z^3 + 420*y^2*z^3 - 221*y^3*z^3 + 54*y^4*z^3 - 440*z^4 + 1035*y*z^4 - 705*y^2*z^4 + 152*y^3*z^4 + 660*z^5 - 1005*y*z^5 + 330*y^2*z^5 - 440*z^6 + 330*y*z^6 + 110*z^7)* G[1 - y, 1, 1 - y, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 0, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 0, 1 - y, z])/ y^2 + ((I/3)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 12*y^3*z^2 - 36*y^4*z^2 + 24*y^5*z^2 + 55*z^3 - 165*y*z^3 + 165*y^2*z^3 - 69*y^3*z^3 + 24*y^4*z^3 - 220*z^4 + 495*y*z^4 - 330*y^2*z^4 + 57*y^3*z^4 + 330*z^5 - 495*y*z^5 + 165*y^2*z^5 - 220*z^6 + 165*y*z^6 + 55*z^7)*G[1 - y, 1 - y, 0, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 1 - y, 0, z])/ y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 1 - y, 1 - y, z])/y^2 + ((I/6)*(-1 + y + z)*(27*y^3 + 54*y^3*z + 9*y*z^2 + 22*z^3 - 22*z^4)*G[1 - y, 1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-23*y^3 + 69*y^4 - 69*y^5 + 23*y^6 + 23*y^3*z - 69*y^5*z + 46*y^6*z + 69*y^3*z^2 - 207*y^4*z^2 + 138*y^5*z^2 + 57*z^3 - 171*y*z^3 + 171*y^2*z^3 - 166*y^3*z^3 + 138*y^4*z^3 - 228*z^4 + 513*y*z^4 - 342*y^2*z^4 + 97*y^3*z^4 + 342*z^5 - 513*y*z^5 + 171*y^2*z^5 - 228*z^6 + 171*y*z^6 + 57*z^7)*G[1 - y, 1 - y, 1, 0, 0, z])/(y^2*z^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 2*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)*G[1 - y, 1 - y, 1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + ((I/6)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 + 18*z^3 - 54*y*z^3 + 54*y^2*z^3 - 47*y^3*z^3 + 30*y^4*z^3 - 72*z^4 + 162*y*z^4 - 108*y^2*z^4 + 32*y^3*z^4 + 108*z^5 - 162*y*z^5 + 54*y^2*z^5 - 72*z^6 + 54*y*z^6 + 18*z^7)* G[1 - y, 1 - y, 1, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 2*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)*G[1 - y, 1 - y, 1, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 1 - y, 0, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1 - y, 0, 1 - y, z])/y^2 - ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y^3*z^2 - 18*y^4*z^2 + 12*y^5*z^2 + 23*z^3 - 69*y*z^3 + 69*y^2*z^3 - 29*y^3*z^3 + 12*y^4*z^3 - 92*z^4 + 207*y*z^4 - 138*y^2*z^4 + 23*y^3*z^4 + 138*z^5 - 207*y*z^5 + 69*y^2*z^5 - 92*z^6 + 69*y*z^6 + 23*z^7)*G[1 - y, 1 - y, 1 - y, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1 - y, 1 - y, 0, z])/y^2 - ((I/6)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 9*y*z^2 - 10*z^3 + 10*z^4)*G[1 - y, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)* G[1 - y, 1 - y, -y, 0, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)* G[1 - y, 1 - y, -y, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 3*y*z^2 - 10*z^3 + 10*z^4)* G[1 - y, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(23*y^3 + 46*y^3*z - 3*y*z^2 - 46*z^3 + 46*z^4)* G[1 - y, 1 - y, -y, -y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*z^3 + 3*z^4)* G[1 - y, -y, 0, 0, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 6*z^3 + 6*z^4)* G[1 - y, -y, 0, 1, 0, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*z^3 + 3*z^4)* G[1 - y, -y, 0, 1 - y, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 12*z^3 - 12*z^4)* G[1 - y, -y, 0, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(3*y^3 + 6*y^3*z - 3*y*z^2 - 20*z^3 + 20*z^4)* G[1 - y, -y, 0, -y, 1 - y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*z^3 + 3*z^4)* G[1 - y, -y, 1 - y, 0, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 12*z^3 - 12*z^4)* G[1 - y, -y, 1 - y, 0, 1 - y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 6*z^3 + 6*z^4)* G[1 - y, -y, 1 - y, 1, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 12*z^3 - 12*z^4)* G[1 - y, -y, 1 - y, 1 - y, 0, z])/(y^2*z^2) + (((16*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4)* G[1 - y, -y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z - 4*z^3 + 4*z^4)* G[1 - y, -y, -y, 0, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z - 4*z^3 + 4*z^4)* G[1 - y, -y, -y, 1 - y, 0, z])/(y^2*z^2) - (I*(-1 + y + z)*G[1 - y, -y, -y, 1 - y, 1 - y, z])/y + ((I/3)*(-1 + y + z)*(14*y^3 + 28*y^3*z - 3*y*z^2 - 28*z^3 + 28*z^4)* G[1 - y, -y, -y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 0, 0, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(57*y^3 + 114*y^3*z - 52*z^3 + 52*z^4)* G[-y, 0, 0, 1, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 0, 1 - y, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 12*z^3 - 12*z^4)* G[-y, 0, 0, 1 - y, 1 - y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(3*y + 20*z - 20*z^2)*G[-y, 0, 0, -y, 1 - y, z])/y^2 + ((I/3)*(-1 + y + z)*(23*y^3 + 46*y^3*z - 28*z^3 + 28*z^4)* G[-y, 0, 1, 0, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)* G[-y, 0, 1, 0, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 2*z^3 - 2*z^4)* G[-y, 0, 1, 1, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)* G[-y, 0, 1, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 1 - y, 0, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 12*z^3 - 12*z^4)* G[-y, 0, 1 - y, 0, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(53*y^3 + 106*y^3*z - 44*z^3 + 44*z^4)* G[-y, 0, 1 - y, 1, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 12*z^3 - 12*z^4)* G[-y, 0, 1 - y, 1 - y, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(31*y^3 + 62*y^3*z + 40*z^3 - 40*z^4)* G[-y, 0, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(15*y^3 + 30*y^3*z + 6*y*z^2 + 56*z^3 - 56*z^4)* G[-y, 0, 1 - y, -y, 1 - y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(41*y^3 + 82*y^3*z - 20*z^3 + 20*z^4)* G[-y, 0, -y, 0, 1 - y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(41*y^3 + 82*y^3*z - 20*z^3 + 20*z^4)* G[-y, 0, -y, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(13*y^3 + 26*y^3*z + 6*y*z^2 + 52*z^3 - 52*z^4)* G[-y, 0, -y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(33*y^3 + 66*y^3*z + 6*y*z^2 + 40*z^3 - 40*z^4)* G[-y, 0, -y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 0, 0, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 12*z^3 - 12*z^4)* G[-y, 1 - y, 0, 0, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(53*y^3 + 106*y^3*z - 44*z^3 + 44*z^4)* G[-y, 1 - y, 0, 1, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 12*z^3 - 12*z^4)* G[-y, 1 - y, 0, 1 - y, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(31*y^3 + 62*y^3*z + 40*z^3 - 40*z^4)* G[-y, 1 - y, 0, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(15*y^3 + 30*y^3*z + 6*y*z^2 + 56*z^3 - 56*z^4)* G[-y, 1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(23*y^3 + 46*y^3*z - 28*z^3 + 28*z^4)* G[-y, 1 - y, 1, 0, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)* G[-y, 1 - y, 1, 0, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 2*z^3 - 2*z^4)* G[-y, 1 - y, 1, 1, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)* G[-y, 1 - y, 1, 1 - y, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 12*z^3 - 12*z^4)* G[-y, 1 - y, 1 - y, 0, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(31*y^3 + 62*y^3*z + 40*z^3 - 40*z^4)* G[-y, 1 - y, 1 - y, 0, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(31*y^3 + 62*y^3*z + 42*z^3 - 42*z^4)* G[-y, 1 - y, 1 - y, 1, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(31*y^3 + 62*y^3*z + 40*z^3 - 40*z^4)* G[-y, 1 - y, 1 - y, 1 - y, 0, z])/(y^2*z^2) + (((17*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 3*y*z^2 - 10*z^3 + 10*z^4)* G[-y, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 16*z^3 + 16*z^4)* G[-y, 1 - y, -y, 0, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 16*z^3 + 16*z^4)* G[-y, 1 - y, -y, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(13*y^3 + 26*y^3*z - 6*y*z^2 - 26*z^3 + 26*z^4)* G[-y, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(31*y^3 + 62*y^3*z - 9*y*z^2 - 62*z^3 + 62*z^4)* G[-y, 1 - y, -y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(13*y^3 + 26*y^3*z - 8*z^3 + 8*z^4)* G[-y, -y, 0, 0, 1 - y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(29*y^3 + 58*y^3*z - 76*z^3 + 76*z^4)* G[-y, -y, 0, 1, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(13*y^3 + 26*y^3*z - 8*z^3 + 8*z^4)* G[-y, -y, 0, 1 - y, 0, z])/(y^2*z^2) - (((13*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[-y, -y, 0, 1 - y, 1 - y, z])/ z^2 + ((I/6)*(-1 + y + z)*(20*y^3 + 40*y^3*z + 3*y*z^2 + 14*z^3 - 14*z^4)*G[-y, -y, 0, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(13*y^3 + 26*y^3*z - 8*z^3 + 8*z^4)* G[-y, -y, 1 - y, 0, 0, z])/(y^2*z^2) - (((13*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[-y, -y, 1 - y, 0, 1 - y, z])/ z^2 - ((I/6)*(-1 + y + z)*(29*y^3 + 58*y^3*z - 76*z^3 + 76*z^4)* G[-y, -y, 1 - y, 1, 0, z])/(y^2*z^2) - (((13*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[-y, -y, 1 - y, 1 - y, 0, z])/ z^2 + ((I/2)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4)*G[-y, -y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(13*y^3 + 26*y^3*z - 3*y*z^2 - 26*z^3 + 26*z^4)* G[-y, -y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(11*y^3 + 22*y^3*z - 4*z^3 + 4*z^4)* G[-y, -y, -y, 0, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(11*y^3 + 22*y^3*z - 4*z^3 + 4*z^4)* G[-y, -y, -y, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(17*y^3 + 34*y^3*z - 3*y*z^2 - 34*z^3 + 34*z^4)* G[-y, -y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/2)*(-1 + y + z)*(y^3 + 2*y^3*z + y*z^2 - 2*z^3 + 2*z^4)* G[-y, -y, -y, -y, 1 - y, z])/(y^2*z^2) + (((-1/12*I)*Pi^2*y*(-3 + 3*y - 25*z + 28*z^2))/(-1 + y + z)^2 + (Pi*(44*y^2 - 176*y^3 + 264*y^4 - 176*y^5 + 44*y^6 - 312*y*z + 1202*y^2*z - 1822*y^3*z + 1374*y^4*z - 530*y^5*z + 88*y^6*z - 88*z^2 + 1248*y*z^2 - 4012*y^2*z^2 + 5260*y^3*z^2 - 3036*y^4*z^2 + 628*y^5*z^2 + 264*z^3 - 1736*y*z^3 + 4171*y^2*z^3 - 3791*y^3*z^3 + 1092*y^4*z^3 - 264*z^4 + 976*y*z^4 - 1493*y^2*z^4 + 628*y^3*z^4 + 88*z^5 - 176*y*z^5 + 88*y^2*z^5))/(6*(-1 + y)^2*y*z*(-1 + y + z)^2) - ((I/72)*(-8*y + 494*y^2 - 1098*y^3 - 500*y^4 + 3236*y^5 - 3002*y^6 + 878*y^7 - 8*z - 406*y*z - 4042*y^2*z + 18907*y^3*z - 30169*y^4*z + 23883*y^5*z - 10185*y^6*z + 2020*y^7*z - 900*z^2 - 2740*y*z^2 + 37853*y^2*z^2 - 107652*y^3*z^2 + 133935*y^4*z^2 - 77226*y^5*z^2 + 16730*y^6*z^2 + 816*z^3 + 20334*y*z^3 - 103817*y^2*z^3 + 191357*y^3*z^3 - 149272*y^4*z^3 + 40582*y^5*z^3 + 3112*z^4 - 35222*y*z^4 + 104345*y^2*z^4 - 115544*y^3*z^4 + 40582*y^4*z^4 - 5040*z^5 + 22058*y*z^5 - 36475*y^2*z^5 + 16730*y^3*z^5 + 2020*z^6 - 4040*y*z^6 + 2020*y^2*z^6))/((-1 + y)^2*y*z*(-1 + y + z)^2*(y + z)))*Zeta[3] + G[0, 0, z]*(-1/9*(Pi^3*y*(-1 + z)*z)/(-1 + y + z)^2 + (Pi*(-32*y + 32*y^2 + 72*z + 25*y*z + 7*y^2*z - 144*z^2 + 7*y*z^2 + 72*z^3))/(6*y*(-1 + y + z)) - ((I/108)*(-1158*y + 1158*y^2 + 10381*z - 8682*y*z + 9840*y^2*z - 20750*z^2 + 9840*y*z^2 + 10369*z^3))/(y*(-1 + y + z)) - ((I/36)*Pi^2*(20*y^2 - 80*y^3 + 120*y^4 - 80*y^5 + 20*y^6 - 72*y*z + 287*y^2*z - 469*y^3*z + 405*y^4*z - 191*y^5*z + 40*y^6*z - 284*z^2 + 1542*y*z^2 - 3372*y^2*z^2 + 3807*y^3*z^2 - 2246*y^4*z^2 + 553*y^5*z^2 + 852*z^3 - 3436*y*z^3 + 5416*y^2*z^3 - 3803*y^3*z^3 + 971*y^4*z^3 - 852*z^4 + 2534*y*z^4 - 2623*y^2*z^4 + 890*y^3*z^4 + 284*z^5 - 568*y*z^5 + 284*y^2*z^5))/((-1 + y)^2*y*z*(-1 + y + z)^2) + ((-2*Pi*(-1 + z)*z*(8 - 24*y + 24*y^2 + y^3 - 24*z + 48*y*z - 24*y^2*z + 24*z^2 - 24*y*z^2 - 8*z^3))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(18*y^2 - 12*y^3 - 132*y^4 + 288*y^5 - 222*y^6 + 60*y^7 - 27*y*z + 99*y^2*z - 192*y^3*z + 132*y^4*z + 171*y^5*z - 303*y^6*z + 120*y^7*z - 381*z^2 + 1860*y*z^2 - 3576*y^2*z^2 + 3168*y^3*z^2 - 960*y^4*z^2 - 294*y^5*z^2 + 183*y^6*z^2 + 1566*z^3 - 6450*y*z^3 + 10179*y^2*z^3 - 6924*y^3*z^3 + 1668*y^4*z^3 - 39*y^5*z^3 - 2406*z^4 + 8196*y*z^4 - 10149*y^2*z^4 + 5001*y^3*z^4 - 795*y^4*z^4 + 1634*z^5 - 4405*y*z^5 + 3908*y^2*z^5 - 1137*y^3*z^5 - 413*z^6 + 826*y*z^6 - 413*y^2*z^6))/((-1 + y)^2*y^2*z*(-1 + y + z)^2))* G[0, 1, y] + ((2*Pi*(-1 + z)*z*(-9 + 27*y - 27*y^2 + y^3 + 27*z - 54*y*z + 27*y^2*z - 27*z^2 + 27*y*z^2 + 9*z^3))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(-78*y^4 + 216*y^5 - 198*y^6 + 60*y^7 - 126*y^3*z + 438*y^4*z - 315*y^5*z - 117*y^6*z + 120*y^7*z + 117*y^2*z^2 - 360*y^3*z^2 + 1080*y^4*z^2 - 1158*y^5*z^2 + 657*y^6*z^2 - 87*y*z^3 - 573*y^2*z^3 + 2868*y^3*z^3 - 3408*y^4*z^3 + 1383*y^5*z^3 - 99*z^4 + 327*y*z^4 + 1860*y^2*z^4 - 4671*y^3*z^4 + 2055*y^4*z^4 + 318*z^5 - 177*y*z^5 - 2627*y^2*z^5 + 2193*y^3*z^5 - 366*z^6 - 205*y*z^6 + 1157*y^2*z^6 + 178*z^7 + 142*y*z^7 - 31*z^8))/ (y^2*z*(-1 + y + z)^2*(y + z)^2))*G[1, 0, y] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/18)*(66*y^3 - 132*y^4 + 66*y^5 + 87*y^2*z - 102*y^3*z - 117*y^4*z + 132*y^5*z + 271*y*z^2 - 512*y^2*z^2 - 137*y^3*z^2 + 240*y^4*z^2 + 190*z^3 - 1112*y*z^3 + 887*y^2*z^3 + 26*y^3*z^3 - 570*z^4 + 1411*y*z^4 - 462*y^2*z^4 + 570*z^5 - 570*y*z^5 - 190*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1, 1, y] + (((34*I)/3)*y*(-1 + z)*z*G[0, 0, 0, y])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(5 - 15*y + 15*y^2 + 8*y^3 - 15*z + 30*y*z - 15*y^2*z + 15*z^2 - 15*y*z^2 - 5*z^3)*G[0, 0, 1, y])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-31 + 93*y - 93*y^2 + 51*y^3 + 93*z - 186*y*z + 93*y^2*z - 93*z^2 + 93*y*z^2 + 31*z^3)* G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((22*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1, 1, y])/(y^2*(-1 + y + z)^2) + (((22*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 0, y])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-20 + 60*y - 60*y^2 + 51*y^3 + 60*z - 120*y*z + 60*y^2*z - 60*z^2 + 60*y*z^2 + 20*z^3)*G[1, 0, 1, y])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-13 + 39*y - 39*y^2 + 8*y^3 + 39*z - 78*y*z + 39*y^2*z - 39*z^2 + 39*y*z^2 + 13*z^3)* G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, y])/y^2 + (((118*I)/3)*y*(-1 + z)*z*Zeta[3])/(-1 + y + z)^2) + G[0, 0, y]*(-1/18*(Pi^3*y*(-3 + 3*y + z + 2*z^2))/(-1 + y + z)^2 + (Pi*(38*y - 114*y^2 + 114*y^3 - 38*y^4 - 29*z + 13*y*z + 133*y^2*z - 189*y^3*z + 72*y^4*z + 58*z^2 - 37*y*z^2 - 28*y^2*z^2 + 7*y^3*z^2 - 29*z^3 - 14*y*z^3 + 7*y^2*z^3))/(6*(-1 + y)^2*z* (-1 + y + z)) - ((I/108)*(18 - 299*y + 801*y^2 - 777*y^3 + 257*y^4 + 8634*z - 27295*y*z + 39057*y^2*z - 30765*y^3*z + 10369*y^4*z - 17304*z^2 + 47688*y*z^2 - 40224*y^2*z^2 + 9840*y^3*z^2 + 8652*z^3 - 20112*y*z^3 + 9840*y^2*z^3))/ ((-1 + y)^2*z*(-1 + y + z)) - ((I/72)*Pi^2*(-284*y^2 + 852*y^3 - 852*y^4 + 284*y^5 + 864*y*z - 2219*y^2*z + 2402*y^3*z - 1615*y^4*z + 568*y^5*z + 80*z^2 - 2914*y*z^2 + 6351*y^2*z^2 - 5309*y^3*z^2 + 1780*y^4*z^2 - 240*z^3 + 3316*y*z^3 - 4954*y^2*z^3 + 1942*y^3*z^3 + 240*z^4 - 1346*y*z^4 + 1106*y^2*z^4 - 80*z^5 + 80*y*z^5))/((-1 + y)*y*z* (-1 + y + z)^2) + ((12*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 - ((I/18)*(-66*y^2 + 198*y^3 - 198*y^4 + 66*y^5 - 72*y*z + 195*y^2*z - 42*y^3*z - 213*y^4*z + 132*y^5*z + 132*z^2 - 408*y*z^2 + 545*y^2*z^2 - 689*y^3*z^2 + 420*y^4*z^2 - 396*z^3 + 1164*y*z^3 - 1094*y^2*z^3 + 386*y^3*z^3 + 396*z^4 - 816*y*z^4 + 420*y^2*z^4 - 132*z^5 + 132*y*z^5))/((-1 + y)*y*z* (-1 + y + z)^2))*G[0, 0, z] + ((Pi*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 21*y^3*z^2 - 57*y^4*z^2 + 36*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 11*y^3*z^3 + 36*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 10*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7))/(3*y^2*z^2* (-1 + y + z)^2) + ((I/36)*(-53*y^4 + 212*y^5 - 318*y^6 + 212*y^7 - 53*y^8 - 443*y^3*z + 2497*y^4*z - 5699*y^5*z + 6545*y^6*z - 3766*y^7*z + 866*y^8*z - 114*y^2*z^2 + 2525*y^3*z^2 - 9401*y^4*z^2 + 15015*y^5*z^2 - 11357*y^6*z^2 + 3332*y^7*z^2 + 280*y*z^3 - 1162*y^2*z^3 - 1338*y^3*z^3 + 8700*y^4*z^3 - 10530*y^5*z^3 + 4050*y^6*z^3 - 68*z^4 - 1142*y*z^4 + 4759*y^2*z^4 - 4656*y^3*z^4 - 159*y^4*z^4 + 1074*y^5*z^4 + 188*z^5 + 1873*y*z^5 - 6141*y^2*z^5 + 5442*y^3*z^5 - 1554*y^4*z^5 - 204*z^6 - 1363*y*z^6 + 3079*y^2*z^6 - 1512*y^3*z^6 + 104*z^7 + 344*y*z^7 - 448*y^2*z^7 - 20*z^8 + 20*y*z^8))/((-1 + y)*y^2*z^2* (-1 + y + z)^2*(y + z)))*G[0, 1 - y, z] + ((4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) - ((I/36)*(-1 + z)*(-12 + 45*y - 63*y^2 + 119*y^3 - 135*y^4 + 54*y^5 + 24*z - 30*y*z - 99*y^2*z + 78*y^3*z - 135*y^4*z + 108*y^5*z - 24*z^2 + 96*y*z^2 - 159*y^2*z^2 - 105*y^3*z^2 + 270*y^4*z^2 + 28*z^3 + 66*y*z^3 - 441*y^2*z^3 + 556*y^3*z^3 - 525*y*z^4 + 762*y^2*z^4 - 36*z^5 + 348*y*z^5 + 20*z^6))/(y^2*z^2*(-1 + y + z)^2))*G[1, 0, z] + ((Pi*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 29*y^3*z^3 + 54*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 + 2*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7))/(3*y^2*z^2* (-1 + y + z)^2) - ((I/36)*(12*y^2 - 57*y^3 + 108*y^4 - 98*y^5 + 32*y^6 + 15*y^7 - 16*y^8 + 4*y^9 + 24*y*z - 150*y^2*z + 327*y^3*z - 319*y^4*z + 429*y^5*z - 959*y^6*z + 1066*y^7*z - 480*y^8*z + 62*y^9*z + 12*z^2 - 129*y*z^2 + 378*y^2*z^2 - 368*y^3*z^2 + 540*y^4*z^2 - 1429*y^5*z^2 + 1118*y^6*z^2 + 270*y^7*z^2 - 392*y^8*z^2 - 36*z^3 + 207*y*z^3 + 245*y^2*z^3 - 2199*y^3*z^3 + 4351*y^4*z^3 - 5542*y^5*z^3 + 5774*y^6*z^3 - 2800*y^7*z^3 + 48*z^4 + 34*y*z^4 - 3102*y^2*z^4 + 10739*y^3*z^4 - 15908*y^4*z^4 + 13587*y^5*z^4 - 5590*y^6*z^4 - 52*z^5 - 1038*y*z^5 + 8188*y^2*z^5 - 18085*y^3*z^5 + 16857*y^4*z^5 - 6254*y^5*z^5 + 28*z^6 + 2291*y*z^6 - 9752*y^2*z^6 + 12435*y^3*z^6 - 5194*y^4*z^6 + 36*z^7 - 2053*y*z^7 + 4809*y^2*z^7 - 2792*y^3*z^7 - 56*z^8 + 684*y*z^8 - 628*y^2*z^8 + 20*z^9 - 20*y*z^9))/((-1 + y)*y^2*z^2* (-1 + y + z)^2*(y + z)^2))*G[1 - y, 0, z] + ((-6*Pi*y*(-1 + y + z)*(1 + 2*z))/z^2 - ((I/9)*(65*y^3 - 195*y^4 + 195*y^5 - 65*y^6 + 140*y^2*z - 570*y^3*z + 815*y^4*z - 480*y^5*z + 95*y^6*z + 39*y*z^2 - 495*y^2*z^2 + 1112*y^3*z^2 - 941*y^4*z^2 + 285*y^5*z^2 - 66*z^3 + 108*y*z^3 + 291*y^2*z^3 - 594*y^3*z^3 + 231*y^4*z^3 + 198*z^4 - 399*y*z^4 + 184*y^2*z^4 - 13*y^3*z^4 - 198*z^5 + 318*y*z^5 - 120*y^2*z^5 + 66*z^6 - 66*y*z^6))/ ((-1 + y)*y*z^2*(-1 + y + z)*(y + z)))*G[1 - y, 1 - y, z] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/36)*(-58*y^4 + 96*y^5 - 60*y^6 + 14*y^7 - 10*y^3*z + 112*y^4*z + 6*y^5*z - 94*y^6*z + 40*y^7*z - 300*y^2*z^2 + 688*y^3*z^2 - 111*y^4*z^2 - 435*y^5*z^2 + 232*y^6*z^2 - 352*y*z^3 + 2046*y^2*z^3 - 2445*y^3*z^3 + 522*y^4*z^3 + 186*y^5*z^3 + 68*z^4 + 1186*y*z^4 - 4029*y^2*z^4 + 3030*y^3*z^4 - 594*y^4*z^4 - 188*z^5 - 1557*y*z^5 + 3204*y^2*z^5 - 1266*y^3*z^5 + 204*z^6 + 919*y*z^6 - 906*y^2*z^6 - 104*z^7 - 208*y*z^7 + 20*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 1 - y, z] + (((34*I)/3)*y*(-1 + z)*z*G[0, 0, 0, z])/(-1 + y + z)^2 - ((I/6)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 45*y^3*z^2 - 69*y^4*z^2 + 36*y^5*z^2 + 48*z^3 - 162*y*z^3 + 180*y^2*z^3 - 35*y^3*z^3 + 36*y^4*z^3 - 192*z^4 + 450*y*z^4 - 306*y^2*z^4 - 10*y^3*z^4 + 288*z^5 - 438*y*z^5 + 144*y^2*z^5 - 192*z^6 + 144*y*z^6 + 48*z^7)* G[0, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-4 + 12*y - 12*y^2 + y^3 + 12*z - 24*y*z + 12*y^2*z - 12*z^2 + 12*y*z^2 + 4*z^3)*G[0, 1, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/6)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 - 36*z^3 + 108*y*z^3 - 108*y^2*z^3 - 17*y^3*z^3 + 30*y^4*z^3 + 144*z^4 - 324*y*z^4 + 216*y^2*z^4 + 2*y^3*z^4 - 216*z^5 + 324*y*z^5 - 108*y^2*z^5 + 144*z^6 - 108*y*z^6 - 36*z^7)* G[0, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 27*y^3*z^2 - 51*y^4*z^2 + 30*y^5*z^2 + 22*z^3 - 75*y*z^3 + 84*y^2*z^3 - 37*y^3*z^3 + 30*y^4*z^3 - 88*z^4 + 207*y*z^4 - 141*y^2*z^4 + 10*y^3*z^4 + 132*z^5 - 201*y*z^5 + 66*y^2*z^5 - 88*z^6 + 66*y*z^6 + 22*z^7)* G[0, 1 - y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 27*y^3*z^2 - 27*y^4*z^2 + 12*y^5*z^2 + 60*z^3 - 198*y*z^3 + 216*y^2*z^3 - 73*y^3*z^3 + 12*y^4*z^3 - 240*z^4 + 558*y*z^4 - 378*y^2*z^4 + 46*y^3*z^4 + 360*z^5 - 546*y*z^5 + 180*y^2*z^5 - 240*z^6 + 180*y*z^6 + 60*z^7)* G[0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-11 + 33*y - 33*y^2 + 17*y^3 + 33*z - 66*y*z + 33*y^2*z - 33*z^2 + 33*y*z^2 + 11*z^3)*G[1, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z + 12*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)*G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-13 + 39*y - 39*y^2 + 9*y^3 + 39*z - 78*y*z + 39*y^2*z - 39*z^2 + 39*y*z^2 + 13*z^3)*G[1, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-10 + 30*y - 30*y^2 + 9*y^3 + 30*z - 60*y*z + 30*y^2*z - 30*z^2 + 30*y*z^2 + 10*z^3)* G[1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-11*y^3 + 33*y^4 - 33*y^5 + 11*y^6 + 11*y^3*z - 33*y^5*z + 22*y^6*z + 33*y^3*z^2 - 99*y^4*z^2 + 66*y^5*z^2 + 22*z^3 - 66*y*z^3 + 66*y^2*z^3 - 67*y^3*z^3 + 66*y^4*z^3 - 88*z^4 + 198*y*z^4 - 132*y^2*z^4 + 34*y^3*z^4 + 132*z^5 - 198*y*z^5 + 66*y^2*z^5 - 88*z^6 + 66*y*z^6 + 22*z^7)*G[1 - y, 0, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-14*y^3 + 42*y^4 - 42*y^5 + 14*y^6 + 14*y^3*z - 42*y^5*z + 28*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 57*y^3*z^2 - 129*y^4*z^2 + 84*y^5*z^2 + 36*z^3 - 126*y*z^3 + 144*y^2*z^3 - 131*y^3*z^3 + 84*y^4*z^3 - 144*z^4 + 342*y*z^4 - 234*y^2*z^4 + 74*y^3*z^4 + 216*z^5 - 330*y*z^5 + 108*y^2*z^5 - 144*z^6 + 108*y*z^6 + 36*z^7)*G[1 - y, 0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 + 60*z^3 - 180*y*z^3 + 180*y^2*z^3 - 101*y^3*z^3 + 54*y^4*z^3 - 240*z^4 + 540*y*z^4 - 360*y^2*z^4 + 74*y^3*z^4 + 360*z^5 - 540*y*z^5 + 180*y^2*z^5 - 240*z^6 + 180*y*z^6 + 60*z^7)* G[1 - y, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-35*y^3 + 105*y^4 - 105*y^5 + 35*y^6 + 35*y^3*z - 105*y^5*z + 70*y^6*z + 105*y^3*z^2 - 315*y^4*z^2 + 210*y^5*z^2 + 48*z^3 - 144*y*z^3 + 144*y^2*z^3 - 211*y^3*z^3 + 210*y^4*z^3 - 192*z^4 + 432*y*z^4 - 288*y^2*z^4 + 106*y^3*z^4 + 288*z^5 - 432*y*z^5 + 144*y^2*z^5 - 192*z^6 + 144*y*z^6 + 48*z^7)* G[1 - y, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) - (((17*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, 1 - y, z])/ z^2 + ((I/3)*(-1 + y + z)*(3*y^3 + 6*y^3*z - 8*z^3 + 8*z^4)* G[1 - y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 3*y*z^2 - 20*z^3 + 20*z^4)* G[-y, 0, 1 - y, z])/(y^2*z^2) - (((13*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(6*y^3 + 12*y^3*z + 3*y*z^2 + 22*z^3 - 22*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(4*y^3 + 8*y^3*z - 3*y*z^2 - 26*z^3 + 26*z^4)* G[-y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*y*(-15 + 15*y - 103*z + 118*z^2)*Zeta[3])/(-1 + y + z)^2) + G[1, 0, z]*(-1/9*(Pi^3*(-1 + z)*z*(-35 + 105*y - 105*y^2 + 9*y^3 + 105*z - 210*y*z + 105*y^2*z - 105*z^2 + 105*y*z^2 + 35*z^3))/ (y^2*(-1 + y + z)^2) - ((I/216)*Pi^2*(12 - 18*y + 36*y^2 - 119*y^3 + 135*y^4 - 54*y^5 - 84*z + 72*y*z + 12*y^2*z + 41*y^3*z - 54*y^5*z + 180*z^2 + 444*y*z^2 - 534*y^2*z^2 + 183*y^3*z^2 - 405*y^4*z^2 + 108*y^5*z^2 + 742*z^3 - 4356*y*z^3 + 4218*y^2*z^3 - 1201*y^3*z^3 + 738*y^4*z^3 - 3508*z^4 + 9954*y*z^4 - 7062*y^2*z^4 + 1096*y^3*z^4 + 5280*z^5 - 8868*y*z^5 + 3330*y^2*z^5 - 3484*z^6 + 2772*y*z^6 + 862*z^7))/ (y^2*z^2*(-1 + y + z)^2) - ((I/216)*(200*y - 869*y^2 + 5652*y^3 - 13611*y^4 + 12942*y^5 - 4314*y^6 + 200*z - 1371*y*z + 3352*y^2*z - 10860*y^3*z + 11409*y^4*z + 2376*y^5*z - 5106*y^6*z - 502*z^2 + 36111*y*z^2 - 132488*y^2*z^2 + 181140*y^3*z^2 - 51831*y^4*z^2 - 40986*y^5*z^2 + 8556*y^6*z^2 + 32012*z^3 - 261569*y*z^3 + 610185*y^2*z^3 - 538368*y^3*z^3 + 125673*y^4*z^3 + 25668*y^5*z^3 - 126330*z^4 + 610251*y*z^4 - 959913*y^2*z^4 + 546768*y^3*z^4 - 70776*y^4*z^4 + 189138*z^5 - 606090*y*z^5 + 607683*y^2*z^5 - 184332*y^3*z^5 - 126024*z^6 + 253974*y*z^6 - 127950*y^2*z^6 + 31506*z^7 - 31506*y*z^7))/ ((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)) + (Pi*(4*y - 16*y^2 + 156*y^3 - 408*y^4 + 396*y^5 - 132*y^6 + 4*z - 30*y*z + 209*y^2*z - 606*y^3*z + 555*y^4*z - 132*y^6*z - 14*z^2 + 1229*y*z^2 - 4806*y^2*z^2 + 6672*y^3*z^2 - 2301*y^4*z^2 - 972*y^5*z^2 + 192*y^6*z^2 + 1023*z^3 - 8630*y*z^3 + 20423*y^2*z^3 - 18288*y^3*z^3 + 4743*y^4*z^3 + 576*y^5*z^3 - 4022*z^4 + 19769*y*z^4 - 31290*y^2*z^4 + 18060*y^3*z^4 - 2517*y^4*z^4 + 6012*z^5 - 19439*y*z^5 + 19574*y^2*z^5 - 5994*y^3*z^5 - 4004*z^6 + 8098*y*z^6 - 4094*y^2*z^6 + 1001*z^7 - 1001*y*z^7))/(18*(-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)) + ((4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/36)*(-1 + z)*(-8 + 6*y - 24*y^2 + 119*y^3 - 135*y^4 + 54*y^5 + 60*z - 42*y*z - 48*y^2*z + 78*y^3*z - 135*y^4*z + 108*y^5*z - 96*z^2 + 90*y*z^2 - 102*y^2*z^2 - 105*y^3*z^2 + 270*y^4*z^2 + 48*z^3 - 126*y*z^3 - 192*y^2*z^3 + 556*y^3*z^3 - 48*z^4 + 120*y*z^4 + 366*y^2*z^4 + 84*z^5 - 48*y*z^5 - 40*z^6))/(y^2*z^2*(-1 + y + z)^2))* G[1, 1, y] + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[0, 0, 0, y])/(y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 13*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3)*G[0, 0, 1, y])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-37 + 111*y - 111*y^2 + 43*y^3 + 111*z - 222*y*z + 111*y^2*z - 111*z^2 + 111*y*z^2 + 37*z^3)*G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(1 - 3*y + 3*y^2 + 9*y^3 - 3*z + 6*y*z - 3*y^2*z + 3*z^2 - 3*y*z^2 - z^3)*G[0, 1, 1, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-10 + 30*y - 30*y^2 + 9*y^3 + 30*z - 60*y*z + 30*y^2*z - 30*z^2 + 30*y*z^2 + 10*z^3)* G[1, 0, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 43*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)*G[1, 0, 1, y])/ (y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-12 + 36*y - 36*y^2 + 13*y^3 + 36*z - 72*y*z + 36*y^2*z - 36*z^2 + 36*y*z^2 + 12*z^3)* G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1, 1, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-15 + 45*y - 45*y^2 + 8*y^3 + 45*z - 90*y*z + 45*y^2*z - 45*z^2 + 45*y*z^2 + 15*z^3)*Zeta[3])/ (y^2*(-1 + y + z)^2)) + G[-y, 1 - y, z]* ((-43*Pi^3*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (18*y^2*z^2) - (Pi*(4*y - 10*y^2 + 68*y^3 - 174*y^4 + 168*y^5 - 56*y^6 + 4*z - 20*y*z + 184*y^2*z - 1488*y^3*z + 3479*y^4*z - 3160*y^5*z + 1001*y^6*z - 10*z^2 + 94*y*z^2 - 393*y^2*z^2 + 2292*y^3*z^2 - 3895*y^4*z^2 + 1912*y^5*z^2 + 1013*z^3 - 3051*y*z^3 + 2865*y^2*z^3 - 1519*y^3*z^3 + 539*y^4*z^3 - 3009*z^4 + 6887*y*z^4 - 4570*y^2*z^4 + 539*y^3*z^4 + 3003*z^5 - 4915*y*z^5 + 1912*y^2*z^5 - 1001*z^6 + 1001*y*z^6))/ (18*(-1 + y)*y^2*z^2*(-1 + y + z)) + ((I/216)*(200*y - 617*y^2 - 1509*y^3 + 6612*y^4 - 7029*y^5 + 2343*y^6 + 200*z - 919*y*z + 2804*y^2*z - 31128*y^3*z + 88197*y^4*z - 90660*y^5*z + 31506*y^6*z - 302*z^2 + 752*y*z^2 - 1110*y^2*z^2 + 56646*y^3*z^2 - 117072*y^4*z^2 + 61086*y^5*z^2 + 31710*z^3 - 92397*y*z^3 + 83364*y^2*z^3 - 46248*y^3*z^3 + 17172*y^4*z^3 - 94620*z^4 + 216462*y*z^4 - 145413*y^2*z^4 + 17172*y^3*z^4 + 94518*z^5 - 155604*y*z^5 + 61086*y^2*z^5 - 31506*z^6 + 31506*y*z^6))/((-1 + y)*y^2*z^2*(-1 + y + z)) - ((I/216)*Pi^2*(1190*y^5 - 3522*y^6 + 3486*y^7 - 1150*y^8 + 3016*y^4*z - 12296*y^5*z + 15870*y^6*z - 7016*y^7*z + 430*y^8*z + 2927*y^3*z^2 - 17443*y^4*z^2 + 30351*y^5*z^2 - 17941*y^6*z^2 + 2258*y^7*z^2 + 2864*y^2*z^3 - 16739*y^3*z^3 + 34932*y^4*z^3 - 26237*y^5*z^3 + 5056*y^6*z^3 + 1513*y*z^4 - 13115*y^2*z^4 + 30978*y^3*z^4 - 27094*y^4*z^4 + 6782*y^5*z^4 + 362*z^5 - 6553*y*z^5 + 22494*y^2*z^5 - 23828*y^3*z^5 + 7108*y^4*z^5 - 1508*z^6 + 10845*y*z^6 - 17311*y^2*z^6 + 6782*y^3*z^6 + 2364*z^7 - 8063*y*z^7 + 5056*y^2*z^7 - 1648*z^8 + 2258*y*z^8 + 430*z^9))/(y^2*z^2*(-1 + y + z)^2*(y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[0, 0, 0, y])/ (y^2*z^2) - ((I/6)*(-1 + y + z)*(29*y^3 + 58*y^3*z + 3*y*z^2 + 58*z^3 - 58*z^4)*G[0, 0, 1, y])/(y^2*z^2) + ((I/2)*(-1 + y + z)*(6*y^3 + 12*y^3*z + y*z^2 - 14*z^3 + 14*z^4)* G[0, 1, 0, y])/(y^2*z^2) + ((I/6)*(-1 + y + z)* (46*y^3 + 92*y^3*z - 3*y*z^2 + 10*z^3 - 10*z^4)*G[0, 1, 1, y])/ (y^2*z^2) + (((4*I)/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 6*z^3 + 6*z^4)*G[1, 0, 0, y])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 6*y*z^2 + 68*z^3 - 68*z^4)* G[1, 0, 1, y])/(y^2*z^2) - ((I/6)*(-1 + y + z)* (12*y^3 + 24*y^3*z + 3*y*z^2 + 26*z^3 - 26*z^4)*G[1, 1, 0, y])/ (y^2*z^2) + (((17*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1, 1, 1, y])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(79*y^3 + 158*y^3*z - 27*y*z^2 - 158*z^3 + 158*z^4)*Zeta[3])/(y^2*z^2)) + G[1, 1, y]* ((Pi^3*(-y + 3*y^2 - 3*y^3 + y^4 - 12*z + 39*y*z - 42*y^2*z + 13*y^3*z + 48*z^2 - 111*y*z^2 + 75*y^2*z^2 - 10*y^3*z^2 - 72*z^3 + 109*y*z^3 - 36*y^2*z^3 + 48*z^4 - 36*y*z^4 - 12*z^5))/ (6*y^2*(-1 + y + z)^2) - (Pi*(38*y^3 - 38*y^4 + 112*y^2*z - 251*y^3*z + 72*y^4*z + 182*y*z^2 - 532*y^2*z^2 + 281*y^3*z^2 + 72*z^3 - 463*y*z^3 + 418*y^2*z^3 - 144*z^4 + 281*y*z^4 + 72*z^5))/ (6*y*z*(y + z)^2) + ((I/108)*(12*y^2 - 251*y^3 + 257*y^4 + 24*y*z + 8223*y^2*z - 9683*y^3*z + 10369*y^4*z + 12*z^2 + 20439*y*z^2 - 41295*y^2*z^2 + 31636*y^3*z^2 + 10345*z^3 - 52081*y*z^3 + 42534*y^2*z^3 - 20726*z^4 + 31636*y*z^4 + 10369*z^5))/ (y*z*(y + z)^2) + ((I/216)*Pi^2*(-750*y^3 + 3582*y^4 - 6828*y^5 + 6492*y^6 - 3078*y^7 + 582*y^8 + 876*y^2*z - 1422*y^3*z - 1470*y^4*z + 3018*y^5*z + 846*y^6*z - 3012*y^7*z + 1164*y^8*z + 1672*y*z^2 - 11234*y^2*z^2 + 25558*y^3*z^2 - 30388*y^4*z^2 + 24482*y^5*z^2 - 13894*y^6*z^2 + 3804*y^7*z^2 + 22*z^3 - 6426*y*z^3 + 29721*y^2*z^3 - 53273*y^3*z^3 + 47475*y^4*z^3 - 22791*y^5*z^3 + 5272*y^6*z^3 - 244*z^4 + 10115*y*z^4 - 33640*y^2*z^4 + 42169*y^3*z^4 - 22766*y^4*z^4 + 4672*y^5*z^4 + 570*z^5 - 7757*y*z^5 + 17740*y^2*z^5 - 13823*y^3*z^5 + 3576*y^4*z^5 - 476*z^6 + 2616*y*z^6 - 3804*y^2*z^6 + 1664*y^3*z^6 + 128*z^7 - 256*y*z^7 + 128*y^2*z^7))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)) + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/12)*(62*y^3 - 124*y^4 + 62*y^5 + 103*y^2*z - 110*y^3*z - 117*y^4*z + 124*y^5*z + 239*y*z^2 - 548*y^2*z^2 + 21*y^3*z^2 + 262*y^4*z^2 + 138*z^3 - 976*y*z^3 + 1021*y^2*z^3 - 78*y^3*z^3 - 414*z^4 + 1235*y*z^4 - 576*y^2*z^4 + 414*z^5 - 498*y*z^5 - 138*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 0, z] - ((I/3)*(-17*y + 17*y^2 + 34*z + 3*y*z + 34*y^2*z - 68*z^2 + 14*y*z^2 + 34*z^3)*G[1 - y, 1 - y, z])/(y*z) + ((16*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/36)*(8*y - 14*y^2 - 6*y^3 - 225*y^4 + 960*y^5 - 1428*y^6 + 934*y^7 - 229*y^8 + 8*z - 74*y*z + 140*y^2*z - 759*y^3*z + 3114*y^4*z - 5700*y^5*z + 5236*y^6*z - 2419*y^7*z + 454*y^8*z - 60*z^2 + 206*y*z^2 - 451*y^2*z^2 + 2222*y^3*z^2 - 5695*y^4*z^2 + 7112*y^5*z^2 - 4588*y^6*z^2 + 1254*y^7*z^2 + 96*z^3 - 451*y*z^3 + 1444*y^2*z^3 - 2721*y^3*z^3 + 4120*y^4*z^3 - 3634*y^5*z^3 + 1146*y^6*z^3 - 462*z^4 + 2630*y*z^4 - 5289*y^2*z^4 + 5408*y^3*z^4 - 3285*y^4*z^4 + 692*y^5*z^4 + 1290*z^5 - 5317*y*z^5 + 7550*y^2*z^5 - 4975*y^3*z^5 + 1146*y^4*z^5 - 1326*z^6 + 3906*y*z^6 - 3834*y^2*z^6 + 1254*y^3*z^6 + 454*z^7 - 908*y*z^7 + 454*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[1 - y, -y, z] + (-1/3*(Pi*(-1 + y + z)*(9*y^3 + 18*y^3*z + 16* z^3 - 16*z^4))/(y^2*z^2) + ((I/36)*(-7*y^4 + 3*y^5 - 12*y^6 + 4*y^7 - 121*y^3*z + 184*y^4*z + 36*y^5*z - 182*y^6*z + 62*y^7*z - 207*y^2*z^2 + 442*y^3*z^2 + 360*y^4*z^2 - 1062*y^5*z^2 + 422*y^6*z^2 - 539*y*z^3 + 2028*y^2*z^3 - 1446*y^3*z^3 - 1092*y^4*z^3 + 972*y^5*z^3 - 374*z^4 + 3299*y*z^4 - 6102*y^2*z^4 + 2736*y^3*z^4 + 444*y^4*z^4 + 1532*z^5 - 6678*y*z^5 + 7002*y^2*z^5 - 1554*y^3*z^5 - 2334*z^6 + 5618*y*z^6 - 2682*y^2*z^6 + 1568*z^7 - 1688*y*z^7 - 392*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 0, z] + ((6*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(y^2*z^2) + ((I/4)*(27*y^3 - 27*y^4 + 42*y^2*z - 73*y^3*z + 46*y^4*z - 13*y*z^2 + y^2*z^2 + 30*y^3*z^2 + 46*z^3 - 17*y*z^3 - 4*y^2*z^3 - 92*z^4 + 30*y*z^4 + 46*z^5))/(y^2*z^2))* G[-y, 1 - y, z] + ((Pi*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4))/(3*y^2*z^2) + ((I/36)*(-136*y^3 + 390*y^4 - 399*y^5 + 133*y^6 + 234*y^2*z - 296*y^3*z + 132*y^4*z - 315*y^5*z + 236*y^6*z - 312*y*z^2 + 516*y^2*z^2 - 312*y^3*z^2 - 594*y^4*z^2 + 666*y^5*z^2 + 218*z^3 + 294*y*z^3 - 1218*y^2*z^3 + 494*y^3*z^3 + 540*y^4*z^3 - 908*z^4 + 1023*y*z^4 - 99*y^2*z^4 + 220*y^3*z^4 + 1398*z^5 - 1683*y*z^5 + 540*y^2*z^5 - 944*z^6 + 666*y*z^6 + 236*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[-y, -y, z] - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, z])/y^2 + ((I/6)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 51*y^3*z^2 - 69*y^4*z^2 + 36*y^5*z^2 + 114*z^3 - 369*y*z^3 + 396*y^2*z^3 - 85*y^3*z^3 + 36*y^4*z^3 - 456*z^4 + 1053*y*z^4 - 711*y^2*z^4 + 34*y^3*z^4 + 684*z^5 - 1035*y*z^5 + 342*y^2*z^5 - 456*z^6 + 342*y*z^6 + 114*z^7)*G[0, 0, -y, z])/(y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(3 - 9*y + 9*y^2 + y^3 - 9*z + 18*y*z - 9*y^2*z + 9*z^2 - 9*y*z^2 - 3*z^3)*G[0, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, 1 - y, z])/y^2 - ((I/3)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 39*y^3*z^2 - 63*y^4*z^2 + 36*y^5*z^2 + 18*z^3 - 72*y*z^3 + 90*y^2*z^3 - 23*y^3*z^3 + 36*y^4*z^3 - 72*z^4 + 180*y*z^4 - 126*y^2*z^4 - 16*y^3*z^4 + 108*z^5 - 168*y*z^5 + 54*y^2*z^5 - 72*z^6 + 54*y*z^6 + 18*z^7)*G[0, 1 - y, -y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 + 16*z^3 - 48*y*z^3 + 48*y^2*z^3 - 33*y^3*z^3 + 30*y^4*z^3 - 64*z^4 + 144*y*z^4 - 96*y^2*z^4 + 18*y^3*z^4 + 96*z^5 - 144*y*z^5 + 48*y^2*z^5 - 64*z^6 + 48*y*z^6 + 16*z^7)* G[0, -y, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-1 + y + z)*(10*y^3 + 20*y^3*z - 9*y*z^2 - 2*z^3 + 2*z^4)* G[0, -y, 1 - y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)* (y^3 + 2*y^3*z - 3*y*z^2 - 50*z^3 + 50*z^4)*G[0, -y, -y, z])/ (y^2*z^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 17*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)* G[1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 28*z + 93*y*z - 102*y^2*z - 6*y^3*z + 112*z^2 - 261*y*z^2 + 177*y^2*z^2 + 18*y^3*z^2 - 168*z^3 + 255*y*z^3 - 84*y^2*z^3 + 112*z^4 - 84*y*z^4 - 28*z^5)* G[1, 0, -y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(4 - 12*y + 12*y^2 + 9*y^3 - 12*z + 24*y*z - 12*y^2*z + 12*z^2 - 12*y*z^2 - 4*z^3)*G[1, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 28*z + 93*y*z - 102*y^2*z - 6*y^3*z + 112*z^2 - 261*y*z^2 + 177*y^2*z^2 + 18*y^3*z^2 - 168*z^3 + 255*y*z^3 - 84*y^2*z^3 + 112*z^4 - 84*y*z^4 - 28*z^5)* G[1, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1 - y, z])/y^2 + (((2*I)/3)*(-1 + y + z)*(4*y^3 + 8*y^3*z + 3*y*z^2 + 9*z^3 - 9*z^4)* G[1 - y, 0, -y, z])/(y^2*z^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 25*y^3*z^3 + 54*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 2*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)*G[1 - y, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 0, z])/y^2 + ((I/3)*(-1 + y + z)* (5*y^3 + 10*y^3*z + 3*y*z^2 - 10*z^3 + 10*z^4)*G[1 - y, 1 - y, -y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 12*z^3 - 12*z^4)*G[1 - y, -y, 0, z])/(y^2*z^2) + (((16*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, z])/(y^2*z^2) - (I*(-1 + y + z)*G[1 - y, -y, -y, z])/y - ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 12*z^3 - 12*z^4)* G[-y, 0, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)* (31*y^3 + 62*y^3*z + 40*z^3 - 40*z^4)*G[-y, 0, 1 - y, z])/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(13*y^3 + 26*y^3*z + 6*y*z^2 + 52*z^3 - 52*z^4)*G[-y, 0, -y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(31*y^3 + 62*y^3*z + 40*z^3 - 40*z^4)* G[-y, 1 - y, 0, z])/(y^2*z^2) + (((17*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 1 - y, z])/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(13*y^3 + 26*y^3*z - 6*y*z^2 - 26*z^3 + 26*z^4)*G[-y, 1 - y, -y, z])/(y^2*z^2) - (((13*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[-y, -y, 0, z])/z^2 + ((I/2)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4)* G[-y, -y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (17*y^3 + 34*y^3*z - 3*y*z^2 - 34*z^3 + 34*z^4)*G[-y, -y, -y, z])/ (y^2*z^2) + ((I/6)*(-15*y + 45*y^2 - 45*y^3 + 15*y^4 - 184*z + 597*y*z - 642*y^2*z + 25*y^3*z + 736*z^2 - 1701*y*z^2 + 1149*y^2*z^2 + 20*y^3*z^2 - 1104*z^3 + 1671*y*z^3 - 552*y^2*z^3 + 736*z^4 - 552*y*z^4 - 184*z^5)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1, 1 - y, z]*(-1/6*(Pi^3*(-y + 3*y^2 - 4*y^3 + 2*y^4 - 16*z + 51*y*z - 54*y^2*z + 4*y^3*z + 64*z^2 - 147*y*z^2 + 99*y^2*z^2 - 96*z^3 + 145*y*z^3 - 48*y^2*z^3 + 64*z^4 - 48*y*z^4 - 16*z^5))/ (y^2*(-1 + y + z)^2) + ((I/216)*Pi^2*(12 - 18*y - 47*y^3 + 99*y^4 - 54*y^5 - 84*z + 108*y*z + 102*y^2*z - 139*y^3*z + 54*y^4*z - 54*y^5*z + 108*z^2 + 30*y*z^2 + 258*y^2*z^2 - 825*y^3*z^2 + 153*y^4*z^2 + 108*y^5*z^2 - 214*z^3 + 702*y*z^3 - 2028*y^2*z^3 + 1175*y^3*z^3 - 90*y^4*z^3 + 1036*z^4 - 3096*y*z^4 + 2874*y^2*z^4 - 164*y^3*z^4 - 1896*z^5 + 3534*y*z^5 - 1206*y^2*z^5 + 1420*z^6 - 1260*y*z^6 - 382*z^7))/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 50*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 62*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)*G[0, 0, 1, y])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 14*z - 33*y*z + 24*y^2*z - 16*y^3*z - 56*z^2 + 117*y*z^2 - 75*y^2*z^2 + 28*y^3*z^2 + 84*z^3 - 123*y*z^3 + 42*y^2*z^3 - 56*z^4 + 42*y*z^4 + 14*z^5)*G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 28*z + 93*y*z - 102*y^2*z - 6*y^3*z + 112*z^2 - 261*y*z^2 + 177*y^2*z^2 + 18*y^3*z^2 - 168*z^3 + 255*y*z^3 - 84*y^2*z^3 + 112*z^4 - 84*y*z^4 - 28*z^5)* G[0, 1, 1, y])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 46*z + 147*y*z - 156*y^2*z + 30*y^3*z + 184*z^2 - 423*y*z^2 + 285*y^2*z^2 - 18*y^3*z^2 - 276*z^3 + 417*y*z^3 - 138*y^2*z^3 + 184*z^4 - 138*y*z^4 - 46*z^5)* G[1, 0, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 28*z + 93*y*z - 102*y^2*z - 7*y^3*z + 112*z^2 - 261*y*z^2 + 177*y^2*z^2 + 19*y^3*z^2 - 168*z^3 + 255*y*z^3 - 84*y^2*z^3 + 112*z^4 - 84*y*z^4 - 28*z^5)* G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) + ((I/6)*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 + 22*z - 39*y*z + 12*y^2*z - 44*y^3*z - 88*z^2 + 171*y*z^2 - 105*y^2*z^2 + 80*y^3*z^2 + 132*z^3 - 189*y*z^3 + 66*y^2*z^3 - 88*z^4 + 66*y*z^4 + 22*z^5)* G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) - ((I/6)*(-15*y + 45*y^2 - 60*y^3 + 30*y^4 - 170*z + 555*y*z - 600*y^2*z + 186*y^3*z + 680*z^2 - 1575*y*z^2 + 1065*y^2*z^2 - 126*y^3*z^2 - 1020*z^3 + 1545*y*z^3 - 510*y^2*z^3 + 680*z^4 - 510*y*z^4 - 170*z^5)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[0, 1, y]*((Pi^3*(-3*y^3 + 3*y^4 - 82*z + 246*y*z - 246*y^2*z + 65*y^3*z + 328*z^2 - 738*y*z^2 + 492*y^2*z^2 - 62*y^3*z^2 - 492*z^3 + 738*y*z^3 - 246*y^2*z^3 + 328*z^4 - 246*y*z^4 - 82*z^5))/(18*y^2*(-1 + y + z)^2) - ((I/216)*(-200*y + 565*y^2 + 811*y^3 - 1797*y^4 - 207*y^5 + 828*y^6 - 200*z + 867*y*z - 2025*y^2*z + 13376*y^3*z - 22986*y^4*z + 9042*y^5*z + 1926*y^6*z + 302*z^2 - 27346*y*z^2 + 85792*y^2*z^2 - 102116*y^3*z^2 + 43635*y^4*z^2 + 13332*y^5*z^2 - 31710*z^3 + 172439*y*z^3 - 281375*y^2*z^3 + 169338*y^3*z^3 - 8694*y^4*z^3 + 94620*z^4 - 296556*y*z^4 + 284713*y^2*z^4 - 76378*y^3*z^4 - 94518*z^5 + 182302*y*z^5 - 87784*y^2*z^5 + 31506*z^6 - 31506*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)*(y + z)) + (Pi*(-4*y + 8*y^2 - 8*y^3 + 53*y^4 - 94*y^5 + 45*y^6 - 4*z + 18*y*z - 122*y^2*z + 636*y^3*z - 826*y^4*z + 208*y^5*z + 90*y^6*z + 10*z^2 - 947*y*z^2 + 3014*y^2*z^2 - 3413*y^3*z^2 + 1225*y^4*z^2 + 444*y^5*z^2 - 1013*z^3 + 5620*y*z^3 - 9136*y^2*z^3 + 5308*y^3*z^3 - 293*y^4*z^3 + 3009*z^4 - 9458*y*z^4 + 9017*y^2*z^4 - 2415*y^3*z^4 - 3003*z^5 + 5772*y*z^5 - 2769*y^2*z^5 + 1001*z^6 - 1001*y*z^6))/ (18*(-1 + y)*y^2*z*(-1 + y + z)*(y + z)) + ((I/216)*Pi^2*(-168*y^4 + 876*y^5 - 1824*y^6 + 1896*y^7 - 984*y^8 + 204*y^9 - 468*y^3*z + 3120*y^4*z - 6987*y^5*z + 6513*y^6*z - 1797*y^7*z - 789*y^8*z + 408*y^9*z - 1250*y^2*z^2 + 6892*y^3*z^2 - 14138*y^4*z^2 + 11683*y^5*z^2 - 254*y^6*z^2 - 4949*y^7*z^2 + 2016*y^8*z^2 - 1345*y*z^3 + 8983*y^2*z^3 - 20648*y^3*z^3 + 18430*y^4*z^3 - 188*y^5*z^3 - 8924*y^6*z^3 + 3692*y^7*z^3 - 548*z^4 + 6821*y*z^4 - 22144*y^2*z^4 + 27536*y^3*z^4 - 9208*y^4*z^4 - 6280*y^5*z^4 + 3670*y^6*z^4 + 2180*z^5 - 13618*y*z^5 + 27286*y^2*z^5 - 20987*y^3*z^5 + 3265*y^4*z^5 + 1568*y^5*z^5 - 3300*z^6 + 13354*y*z^6 - 18298*y^2*z^6 + 9401*y^3*z^6 - 1310*y^4*z^6 + 2240*z^7 - 6344*y*z^7 + 5968*y^2*z^7 - 1864*y^3*z^7 - 572*z^8 + 1144*y*z^8 - 572*y^2*z^8))/((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) + ((Pi*(-3*y^3 + 3*y^4 + 20*z - 60*y*z + 60*y^2*z - 65*y^3*z - 80*z^2 + 180*y*z^2 - 120*y^2*z^2 + 68*y^3*z^2 + 120*z^3 - 180*y*z^3 + 60*y^2*z^3 - 80*z^4 + 60*y*z^4 + 20*z^5))/ (3*y^2*(-1 + y + z)^2) + ((I/36)*(-4*y + 14*y^2 - 22*y^3 + 21*y^4 + 15*y^5 - 96*y^6 + 136*y^7 - 83*y^8 + 19*y^9 - 4*z + 48*y*z - 174*y^2*z + 439*y^3*z - 792*y^4*z + 840*y^5*z - 482*y^6*z + 195*y^7*z - 108*y^8*z + 38*y^9*z + 34*z^2 - 248*y*z^2 + 886*y^2*z^2 - 1827*y^3*z^2 + 2148*y^4*z^2 - 1506*y^5*z^2 + 866*y^6*z^2 - 523*y^7*z^2 + 170*y^8*z^2 - 96*z^3 + 1494*y*z^3 - 6096*y^2*z^3 + 10398*y^3*z^3 - 8536*y^4*z^3 + 4010*y^5*z^3 - 1816*y^6*z^3 + 642*y^7*z^3 + 906*z^4 - 7932*y*z^4 + 22275*y^2*z^4 - 27793*y^3*z^4 + 17613*y^4*z^4 - 6045*y^5*z^4 + 976*y^6*z^4 - 3096*z^5 + 17613*y*z^5 - 35256*y^2*z^5 + 32557*y^3*z^5 - 14306*y^4*z^5 + 2182*y^5*z^5 + 4404*z^6 - 17963*y*z^6 + 26074*y^2*z^6 - 16541*y^3*z^6 + 3720*y^4*z^6 - 2852*z^7 + 8412*y*z^7 - 8268*y^2*z^7 + 2708*y^3*z^7 + 704*z^8 - 1408*y*z^8 + 704*y^2*z^8))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[0, 1 - y, z] + ((2*Pi*y*(-1 + y + z)*(1 + 2*z))/(3*z^2) - ((I/36)*(-84*y^4 + 420*y^5 - 840*y^6 + 840*y^7 - 420*y^8 + 84*y^9 - 330*y^3*z + 1644*y^4*z - 3096*y^5*z + 2544*y^6*z - 546*y^7*z - 396*y^8*z + 180*y^9*z - 177*y^2*z^2 + 1179*y^3*z^2 - 1869*y^4*z^2 - 855*y^5*z^2 + 4644*y^6*z^2 - 4080*y^7*z^2 + 1158*y^8*z^2 + 43*y*z^3 + 112*y^2*z^3 + 319*y^3*z^3 - 4802*y^4*z^3 + 10516*y^5*z^3 - 8720*y^6*z^3 + 2532*y^7*z^3 + 106*z^4 - 387*y*z^4 + 321*y^2*z^4 - 1746*y^3*z^4 + 6366*y^4*z^4 - 7044*y^5*z^4 + 2384*y^6*z^4 - 280*z^5 + 533*y*z^5 + 350*y^2*z^5 - 154*y^3*z^5 - 1372*y^4*z^5 + 770*y^5*z^5 + 276*z^6 - 267*y*z^6 - 702*y^2*z^6 + 768*y^3*z^6 - 228*y^4*z^6 - 120*z^7 + 90*y*z^7 + 180*y^2*z^7 - 150*y^3*z^7 + 18*z^8 - 36*y*z^8 + 18*y^2*z^8))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)))*G[0, -y, z] + ((-6*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 - ((I/36)*(-1 + z)*(-8 + 6*y - 24*y^2 + 119*y^3 - 135*y^4 + 54*y^5 + 60*z - 42*y*z - 48*y^2*z + 78*y^3*z - 135*y^4*z + 108*y^5*z - 96*z^2 + 90*y*z^2 - 102*y^2*z^2 - 105*y^3*z^2 + 270*y^4*z^2 + 12*z^3 - 108*y*z^3 + 114*y^2*z^3 + 160*y^3*z^3 + 60*z^4 + 84*y*z^4 + 60*y^2*z^4 - 24*z^5 - 30*y*z^5 - 4*z^6))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, z] + (-1/3*(Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2* z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 18*y^3* z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5))/(y^2*(-1 + y + z)^2) - ((I/36)*(8 - 33*y + 87*y^2 - 191*y^3 + 171*y^4 - 54*y^5 - 20*z + 15*y*z - 42*y^2*z + 221*y^3*z - 54*y^4*z - 54*y^5*z + 96*z^2 - 288*y*z^2 - 144*y^2*z^2 + 1191*y^3*z^2 - 963*y^4*z^2 + 108*y^5*z^2 - 90*z^3 + 102*y*z^3 + 1518*y^2*z^3 - 2101*y^3*z^3 + 630*y^4*z^3 - 480*z^4 + 1767*y*z^4 - 2871*y^2*z^4 + 880*y^3*z^4 + 1152*z^5 - 2565*y*z^5 + 1452*y^2*z^5 - 920*z^6 + 1002*y*z^6 + 254*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, z] + ((Pi*(-13*y^3 + 39*y^4 - 39*y^5 + 13*y^6 + 13*y^3*z - 39*y^5*z + 26*y^6*z + 39*y^3*z^2 - 117*y^4*z^2 + 78*y^5*z^2 + 20*z^3 - 60*y*z^3 + 60*y^2*z^3 - 77*y^3*z^3 + 78*y^4*z^3 - 80*z^4 + 180*y*z^4 - 120*y^2*z^4 + 38*y^3*z^4 + 120*z^5 - 180*y*z^5 + 60*y^2*z^5 - 80*z^6 + 60*y*z^6 + 20*z^7))/(3*y^2*z^2* (-1 + y + z)^2) - ((I/36)*(-12*y + 36*y^2 - 66*y^3 + 120*y^4 - 30*y^5 - 348*y^6 + 594*y^7 - 384*y^8 + 90*y^9 - 12*z + 138*y*z - 402*y^2*z + 414*y^3*z + 324*y^4*z - 1296*y^5*z + 1014*y^6*z + 294*y^7*z - 732*y^8*z + 258*y^9*z + 102*z^2 - 588*y*z^2 + 1035*y^2*z^2 - 261*y^3*z^2 - 528*y^4*z^2 - 1884*y^5*z^2 + 5397*y^6*z^2 - 4635*y^7*z^2 + 1362*y^8*z^2 - 252*z^3 + 187*y*z^3 + 2698*y^2*z^3 - 6368*y^3*z^3 + 2492*y^4*z^3 + 6365*y^5*z^3 - 7582*y^6*z^3 + 2460*y^7*z^3 - 410*z^4 + 5589*y*z^4 - 17862*y^2*z^4 + 22792*y^3*z^4 - 9846*y^4*z^4 - 1947*y^5*z^4 + 1684*y^6*z^4 + 2564*z^5 - 15202*y*z^5 + 31736*y^2*z^5 - 28562*y^3*z^5 + 10012*y^4*z^5 - 854*y^5*z^5 - 3984*z^6 + 16384*y*z^6 - 24206*y^2*z^6 + 14530*y^3*z^6 - 3030*y^4*z^6 + 2644*z^7 - 7788*y*z^7 + 7644*y^2*z^7 - 2500*y^3*z^7 - 652*z^8 + 1304*y*z^8 - 652*y^2*z^8))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[1 - y, 0, z] + (-((Pi*(-1 + y + z)*(5*y^3 + 10*y^3*z - y*z^2 + 2* z^3 - 2*z^4))/(y^2*z^2)) + ((I/36)*(8*y - 14*y^2 + 30*y^3 - 57*y^4 - 72*y^5 + 300*y^6 - 278*y^7 + 83*y^8 + 8*z - 74*y*z + 140*y^2*z - 243*y^3*z + 606*y^4*z - 1074*y^5*z + 1246*y^6*z - 865*y^7*z + 256*y^8*z - 60*z^2 + 170*y*z^2 - 505*y^2*z^2 + 1712*y^3*z^2 - 2707*y^4*z^2 + 2282*y^5*z^2 - 1366*y^6*z^2 + 474*y^7*z^2 + 24*z^3 - 889*y*z^3 + 4624*y^2*z^3 - 8001*y^3*z^3 + 6424*y^4*z^3 - 2440*y^5*z^3 + 258*y^6*z^3 - 462*z^4 + 4988*y*z^4 - 13593*y^2*z^4 + 15452*y^3*z^4 - 7833*y^4*z^4 + 1142*y^5*z^4 + 1722*z^5 - 9007*y*z^5 + 15260*y^2*z^5 - 11053*y^3*z^5 + 2772*y^4*z^5 - 1902*z^6 + 6144*y*z^6 - 6582*y^2*z^6 + 2340*y^3*z^6 + 670*z^7 - 1340*y*z^7 + 670*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)* (y + z)))*G[1 - y, 1 - y, z] + ((-4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/36)*(-16*y + 83*y^2 - 187*y^3 + 132*y^4 + 360*y^5 - 1029*y^6 + 1117*y^7 - 578*y^8 + 118*y^9 - 16*z + 153*y*z - 486*y^2*z + 790*y^3*z - 738*y^4*z + 573*y^5*z - 926*y^6*z + 1368*y^7*z - 978*y^8*z + 260*y^9*z + 70*z^2 - 443*y*z^2 + 1117*y^2*z^2 - 1851*y^3*z^2 + 3036*y^4*z^2 - 4839*y^5*z^2 + 5399*y^6*z^2 - 3331*y^7*z^2 + 842*y^8*z^2 - 144*z^3 + 995*y*z^3 - 3100*y^2*z^3 + 5744*y^3*z^3 - 7406*y^4*z^3 + 6835*y^5*z^3 - 3890*y^6*z^3 + 966*y^7*z^3 + 512*z^4 - 3699*y*z^4 + 10452*y^2*z^4 - 14878*y^3*z^4 + 12003*y^4*z^4 - 5322*y^5*z^4 + 932*y^6*z^4 - 1400*z^5 + 8032*y*z^5 - 17216*y^2*z^5 + 17999*y^3*z^5 - 9376*y^4*z^5 + 1808*y^5*z^5 + 1866*z^6 - 8124*y*z^6 + 12792*y^2*z^6 - 9009*y^3*z^6 + 2322*y^4*z^6 - 1176*z^7 + 3702*y*z^7 - 3876*y^2*z^7 + 1350*y^3*z^7 + 288*z^8 - 576*y*z^8 + 288*y^2*z^8))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2* (y + z)))*G[1 - y, -y, z] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/18)*(-11*y^4 + 21*y^5 - 12*y^6 + 2*y^7 + 67*y^3*z - 211*y^4*z + 252*y^5*z - 106*y^6*z + 10*y^7*z + 102*y^2*z^2 - 310*y^3*z^2 + 237*y^4*z^2 + 84*y^5*z^2 - 104*y^6*z^2 + 112*y*z^3 - 474*y^2*z^3 + 120*y^3*z^3 + 756*y^4*z^3 - 453*y^5*z^3 + 52*z^4 - 562*y*z^4 + 789*y^2*z^4 + 522*y^3*z^4 - 633*y^4*z^4 - 166*z^5 + 834*y*z^5 - 444*y^2*z^5 - 297*y^3*z^5 + 192*z^6 - 500*y*z^6 + 93*y^2*z^6 - 98*z^7 + 116*y*z^7 + 20*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 0, z] + ((Pi*(-1 + y + z)*(13*y^3 + 26*y^3*z + 8*z^3 - 8*z^4))/(3*y^2*z^2) - ((I/36)*(-137*y^4 + 279*y^5 - 234*y^6 + 68*y^7 - 203*y^3*z + 566*y^4*z - 120*y^5*z - 400*y^6*z + 214*y^7*z - 243*y^2*z^2 + 692*y^3*z^2 + 585*y^4*z^2 - 2025*y^5*z^2 + 1030*y^6*z^2 - 363*y*z^3 + 1602*y^2*z^3 - 897*y^3*z^3 - 2170*y^4*z^3 + 1884*y^5*z^3 - 114*z^4 + 1845*y*z^4 - 4053*y^2*z^4 + 1472*y^3*z^4 + 1204*y^4*z^4 + 648*z^5 - 3879*y*z^5 + 4662*y^2*z^5 - 794*y^3*z^5 - 1194*z^6 + 3477*y*z^6 - 1770*y^2*z^6 + 900*z^7 - 1080*y*z^7 - 240*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 1 - y, z] + ((Pi*(-1 + y + z)*(19*y^3 + 38*y^3*z - 20*z^3 + 20*z^4))/ (3*y^2*z^2) - ((I/12)*(-43*y^4 + 167*y^5 - 185*y^6 + 65*y^7 - 47*y^3*z + 106*y^4*z + 27*y^5*z - 280*y^6*z + 168*y^7*z + 44*y^2*z^2 - 125*y^3*z^2 + 544*y^4*z^2 - 1119*y^5*z^2 + 628*y^6*z^2 + 168*y*z^3 - 618*y^2*z^3 + 966*y^3*z^3 - 1400*y^4*z^3 + 896*y^5*z^3 + 108*z^4 - 1038*y*z^4 + 2121*y^2*z^4 - 1817*y^3*z^4 + 808*y^4*z^4 - 484*z^5 + 2275*y*z^5 - 2676*y^2*z^5 + 952*y^3*z^5 + 788*z^6 - 2041*y*z^6 + 1076*y^2*z^6 - 556*z^7 + 640*y*z^7 + 144*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, -y, z] - ((I/3)*(-1 + z)*z*(12 - 36*y + 36*y^2 + 19*y^3 - 36*z + 72*y*z - 36*y^2*z + 36*z^2 - 36*y*z^2 - 12*z^3)*G[0, 0, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/6)*(-3*y^3 + 3*y^4 - 40*z + 120*y*z - 120*y^2*z + 75*y^3*z + 160*z^2 - 360*y*z^2 + 240*y^2*z^2 - 72*y^3*z^2 - 240*z^3 + 360*y*z^3 - 120*y^2*z^3 + 160*z^4 - 120*y*z^4 - 40*z^5)*G[0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 6*z^3 - 18*y*z^3 + 18*y^2*z^3 - 16*y^3*z^3 + 6*y^4*z^3 - 24*z^4 + 54*y*z^4 - 36*y^2*z^4 + 13*y^3*z^4 + 36*z^5 - 54*y*z^5 + 18*y^2*z^5 - 24*z^6 + 18*y*z^6 + 6*z^7)*G[0, 0, -y, z])/ (y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z* (-1 + 3*y - 3*y^2 + 8*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3)*G[0, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 24*z + 81*y*z - 90*y^2*z - 4*y^3*z + 96*z^2 - 225*y*z^2 + 153*y^2*z^2 + 16*y^3*z^2 - 144*z^3 + 219*y*z^3 - 72*y^2*z^3 + 96*z^4 - 72*y*z^4 - 24*z^5)* G[0, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 - 40*z^3 + 120*y*z^3 - 120*y^2*z^3 - 49*y^3*z^3 + 54*y^4*z^3 + 160*z^4 - 360*y*z^4 + 240*y^2*z^4 + 22*y^3*z^4 - 240*z^5 + 360*y*z^5 - 120*y^2*z^5 + 160*z^6 - 120*y*z^6 - 40*z^7)*G[0, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-11*y^3 + 33*y^4 - 33*y^5 + 11*y^6 + 11*y^3*z - 33*y^5*z + 22*y^6*z + 24*y^3*z^2 - 90*y^4*z^2 + 66*y^5*z^2 + 40*z^3 - 120*y*z^3 + 120*y^2*z^3 - 204*y^3*z^3 + 66*y^4*z^3 - 160*z^4 + 360*y*z^4 - 240*y^2*z^4 + 180*y^3*z^4 + 240*z^5 - 360*y*z^5 + 120*y^2*z^5 - 160*z^6 + 120*y*z^6 + 40*z^7)*G[0, 1 - y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-8*y^3 + 24*y^4 - 24*y^5 + 8*y^6 + 8*y^3*z - 24*y^5*z + 16*y^6*z - 3*y*z^2 + 9*y^2*z^2 + 15*y^3*z^2 - 69*y^4*z^2 + 48*y^5*z^2 - 26*z^3 + 87*y*z^3 - 96*y^2*z^3 - 23*y^3*z^3 + 48*y^4*z^3 + 104*z^4 - 243*y*z^4 + 165*y^2*z^4 + 8*y^3*z^4 - 156*z^5 + 237*y*z^5 - 78*y^2*z^5 + 104*z^6 - 78*y*z^6 - 26*z^7)*G[0, 1 - y, -y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 12*y^3*z^2 - 36*y^4*z^2 + 24*y^5*z^2 - 2*z^3 + 6*y*z^3 - 6*y^2*z^3 - 9*y^3*z^3 + 24*y^4*z^3 + 8*z^4 - 18*y*z^4 + 12*y^2*z^4 - 3*y^3*z^4 - 12*z^5 + 18*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7)*G[0, -y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 24*y^3*z^2 - 78*y^4*z^2 + 54*y^5*z^2 + 8*z^3 - 24*y*z^3 + 24*y^2*z^3 - 42*y^3*z^3 + 54*y^4*z^3 - 32*z^4 + 72*y*z^4 - 48*y^2*z^4 + 18*y^3*z^4 + 48*z^5 - 72*y*z^5 + 24*y^2*z^5 - 32*z^6 + 24*y*z^6 + 8*z^7)* G[0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(15*y^3 - 30*y^4 + 15*y^5 - 30*y^4*z + 30*y^5*z - 48*y^3*z^2 + 60*y^4*z^2 + 16*z^3 - 32*y*z^3 + 16*y^2*z^3 + 30*y^3*z^3 - 48*z^4 + 64*y*z^4 - 16*y^2*z^4 + 48*z^5 - 32*y*z^5 - 16*z^6)*G[0, -y, -y, z])/(y^2*z^2*(-1 + y + z)) - (((4*I)/3)*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 13*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-4 + 12*y - 12*y^2 + 31*y^3 + 12*z - 24*y*z + 12*y^2*z - 12*z^2 + 12*y*z^2 + 4*z^3)* G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/2)*(-y + 3*y^2 - 4*y^3 + 2*y^4 - 6*z + 21*y*z - 24*y^2*z + 4*y^3*z + 24*z^2 - 57*y*z^2 + 39*y^2*z^2 - 36*z^3 + 55*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)*G[1, 0, -y, z])/ (y^2*(-1 + y + z)^2) - (I*(-1 + z)*z*(2 - 6*y + 6*y^2 + 3*y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3)*G[1, 1, 0, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-6*y + 18*y^2 - 24*y^3 + 12*y^4 - 38*z + 132*y*z - 150*y^2*z + 33*y^3*z + 152*z^2 - 360*y*z^2 + 246*y^2*z^2 - 9*y^3*z^2 - 228*z^3 + 348*y*z^3 - 114*y^2*z^3 + 152*z^4 - 114*y*z^4 - 38*z^5)*G[1, 1, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 43*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)* G[1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 19*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 31*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[1, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/2)*(-y + 3*y^2 - 4*y^3 + 2*y^4 - 6*z + 21*y*z - 24*y^2*z + 4*y^3*z + 24*z^2 - 57*y*z^2 + 39*y^2*z^2 - 36*z^3 + 55*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)*G[1, 1 - y, -y, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-13*y^3 + 39*y^4 - 39*y^5 + 13*y^6 + 13*y^3*z - 39*y^5*z + 26*y^6*z + 39*y^3*z^2 - 117*y^4*z^2 + 78*y^5*z^2 + 20*z^3 - 60*y*z^3 + 60*y^2*z^3 - 90*y^3*z^3 + 78*y^4*z^3 - 80*z^4 + 180*y*z^4 - 120*y^2*z^4 + 51*y^3*z^4 + 120*z^5 - 180*y*z^5 + 60*y^2*z^5 - 80*z^6 + 60*y*z^6 + 20*z^7)* G[1 - y, 0, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 + 18*y^3*z - 54*y^5*z + 36*y^6*z + 51*y^3*z^2 - 159*y^4*z^2 + 108*y^5*z^2 - 40*z^3 + 120*y*z^3 - 120*y^2*z^3 - 87*y^3*z^3 + 108*y^4*z^3 + 160*z^4 - 360*y*z^4 + 240*y^2*z^4 + 36*y^3*z^4 - 240*z^5 + 360*y*z^5 - 120*y^2*z^5 + 160*z^6 - 120*y*z^6 - 40*z^7)*G[1 - y, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 18*y^3*z^2 - 30*y^4*z^2 + 18*y^5*z^2 + 26*z^3 - 87*y*z^3 + 96*y^2*z^3 - 58*y^3*z^3 + 18*y^4*z^3 - 104*z^4 + 243*y*z^4 - 165*y^2*z^4 + 40*y^3*z^4 + 156*z^5 - 237*y*z^5 + 78*y^2*z^5 - 104*z^6 + 78*y*z^6 + 26*z^7)* G[1 - y, 0, -y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 + 4*z^3 - 12*y*z^3 + 12*y^2*z^3 - 55*y^3*z^3 + 54*y^4*z^3 - 16*z^4 + 36*y*z^4 - 24*y^2*z^4 + 28*y^3*z^4 + 24*z^5 - 36*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7)*G[1 - y, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 69*y^3*z^2 - 93*y^4*z^2 + 54*y^5*z^2 + 110*z^3 - 375*y*z^3 + 420*y^2*z^3 - 221*y^3*z^3 + 54*y^4*z^3 - 440*z^4 + 1035*y*z^4 - 705*y^2*z^4 + 152*y^3*z^4 + 660*z^5 - 1005*y*z^5 + 330*y^2*z^5 - 440*z^6 + 330*y*z^6 + 110*z^7)*G[1 - y, 1, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-27*y^3 + 81*y^4 - 81*y^5 + 27*y^6 + 27*y^3*z - 81*y^5*z + 54*y^6*z + 81*y^3*z^2 - 243*y^4*z^2 + 162*y^5*z^2 + 40*z^3 - 120*y*z^3 + 120*y^2*z^3 - 183*y^3*z^3 + 162*y^4*z^3 - 160*z^4 + 360*y*z^4 - 240*y^2*z^4 + 102*y^3*z^4 + 240*z^5 - 360*y*z^5 + 120*y^2*z^5 - 160*z^6 + 120*y*z^6 + 40*z^7)*G[1 - y, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-1 + y + z)*(39*y^3 + 78*y^3*z - 9*y*z^2 - 10*z^3 + 10*z^4)*G[1 - y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/2)*(-1 + y + z)*(y^3 + 2*y^3*z - y*z^2 - 18*z^3 + 18*z^4)* G[1 - y, 1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)* (2*y^3 + 4*y^3*z - 3*z^3 + 3*z^4)*G[1 - y, -y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 4*z^3 - 4*z^4)* G[1 - y, -y, 1 - y, z])/(y^2*z^2) + ((2*I)*(-1 + y + z)*(2*y^3 + 4*y^3*z - z^3 + z^4)* G[1 - y, -y, -y, z])/(y^2*z^2) - (I*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 0, z])/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 12*z^3 - 12*z^4)*G[-y, 0, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(41*y^3 + 82*y^3*z - 20*z^3 + 20*z^4)* G[-y, 0, -y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)* (8*y^3 + 16*y^3*z + 7*z^3 - 7*z^4)*G[-y, 1 - y, 0, z])/(y^2*z^2) + ((I/2)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 2*y*z^2 + 24*z^3 - 24*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/2)*(-1 + y + z)*(5*y^3 + 10*y^3*z - y*z^2 - 14*z^3 + 14*z^4)* G[-y, 1 - y, -y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (13*y^3 + 26*y^3*z - 8*z^3 + 8*z^4)*G[-y, -y, 0, z])/(y^2*z^2) + (((13*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[-y, -y, 1 - y, z])/z^2 + ((I/6)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 28*z^3 + 28*z^4)* G[-y, -y, -y, z])/(y^2*z^2) + ((I/6)*(-18*y + 54*y^2 - 69*y^3 + 33*y^4 - 134*z + 456*y*z - 510*y^2*z + 259*y^3*z + 536*z^2 - 1260*y*z^2 + 858*y^2*z^2 - 190*y^3*z^2 - 804*z^3 + 1224*y*z^3 - 402*y^2*z^3 + 536*z^4 - 402*y*z^4 - 134*z^5)*Zeta[3])/ (y^2*(-1 + y + z)^2)) + G[0, 1, z]* ((8*Pi^3*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (9*y^2*(-1 + y + z)^2) - ((I/216)*Pi^2*(-4*y^2 + 14*y^3 - 22*y^4 + 18*y^5 - 6*y^6 - 8*y*z + 62*y^2*z - 196*y^3*z + 382*y^4*z - 516*y^5*z + 474*y^6*z - 264*y^7*z + 66*y^8*z - 4*z^2 + 82*y*z^2 - 422*y^2*z^2 + 1157*y^3*z^2 - 1797*y^4*z^2 + 1425*y^5*z^2 - 309*y^6*z^2 - 264*y^7*z^2 + 132*y^8*z^2 + 34*z^3 - 344*y*z^3 + 1582*y^2*z^3 - 3999*y^3*z^3 + 5130*y^4*z^3 - 2547*y^5*z^3 - 384*y^6*z^3 + 528*y^7*z^3 - 96*z^4 + 1494*y*z^4 - 7446*y^2*z^4 + 16512*y^3*z^4 - 17706*y^4*z^4 + 9129*y^5*z^4 - 1887*y^6*z^4 + 552*z^5 - 6228*y*z^5 + 22500*y^2*z^5 - 36696*y^3*z^5 + 29952*y^4*z^5 - 11595*y^5*z^5 + 1362*y^6*z^5 - 1800*z^6 + 12930*y*z^6 - 32508*y^2*z^6 + 37515*y^3*z^6 - 20529*y^4*z^6 + 4086*y^5*z^6 + 2610*z^7 - 12744*y*z^7 + 21996*y^2*z^7 - 16533*y^3*z^7 + 4518*y^4*z^7 - 1728*z^8 + 5682*y*z^8 - 6180*y^2*z^8 + 2226*y^3*z^8 + 432*z^9 - 864*y*z^9 + 432*y^2*z^9))/ ((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 24*z + 81*y*z - 90*y^2*z - 4*y^3*z + 96*z^2 - 225*y*z^2 + 153*y^2*z^2 + 16*y^3*z^2 - 144*z^3 + 219*y*z^3 - 72*y^2*z^3 + 96*z^4 - 72*y*z^4 - 24*z^5)* G[0, 0, 1, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 40*z + 129*y*z - 138*y^2*z + 28*y^3*z + 160*z^2 - 369*y*z^2 + 249*y^2*z^2 - 16*y^3*z^2 - 240*z^3 + 363*y*z^3 - 120*y^2*z^3 + 160*z^4 - 120*y*z^4 - 40*z^5)* G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 24*z + 81*y*z - 90*y^2*z - 4*y^3*z + 96*z^2 - 225*y*z^2 + 153*y^2*z^2 + 16*y^3*z^2 - 144*z^3 + 219*y*z^3 - 72*y^2*z^3 + 96*z^4 - 72*y*z^4 - 24*z^5)* G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 40*z + 129*y*z - 138*y^2*z + 28*y^3*z + 160*z^2 - 369*y*z^2 + 249*y^2*z^2 - 16*y^3*z^2 - 240*z^3 + 363*y*z^3 - 120*y^2*z^3 + 160*z^4 - 120*y*z^4 - 40*z^5)* G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 - 40*z + 147*y*z - 174*y^2*z + 20*y^3*z + 160*z^2 - 387*y*z^2 + 267*y^2*z^2 + 16*y^3*z^2 - 240*z^3 + 369*y*z^3 - 120*y^2*z^3 + 160*z^4 - 120*y*z^4 - 40*z^5)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1, 0, y]*(-1/18*(Pi^3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 22*z + 75*y*z - 84*y^2*z + 67*y^3*z + 88*z^2 - 207*y*z^2 + 141*y^2*z^2 - 58*y^3*z^2 - 132*z^3 + 201*y*z^3 - 66*y^2*z^3 + 88*z^4 - 66*y*z^4 - 22*z^5))/(y^2*(-1 + y + z)^2) + ((I/216)*(-108*y + 2566*y^2 - 8113*y^3 + 9588*y^4 - 4761*y^5 + 828*y^6 - 108*z + 3365*y*z - 4842*y^2*z - 12020*y^3*z + 27309*y^4*z - 15630*y^5*z + 1926*y^6*z + 14398*z^2 - 64435*y*z^2 + 80986*y^2*z^2 - 48898*y^3*z^2 + 19725*y^4*z^2 - 1776*y^5*z^2 - 47708*z^3 + 153457*y*z^3 - 183683*y^2*z^3 + 117198*y^3*z^3 - 46464*y^4*z^3 + 57262*z^4 - 131367*y*z^4 + 120103*y^2*z^4 - 53198*y^3*z^4 - 28652*z^5 + 43896*y*z^5 - 15244*y^2*z^5 + 4808*z^6 - 4808*y*z^6))/((-1 + y)*y*z* (-1 + y + z)^2*(y + z)) - (Pi*(37*y^2 - 164*y^3 + 258*y^4 - 176*y^5 + 45*y^6 + 116*y*z - 232*y^2*z - 180*y^3*z + 684*y^4*z - 478*y^5*z + 90*y^6*z + 412*z^2 - 1934*y*z^2 + 2477*y^2*z^2 - 1431*y^3*z^2 + 380*y^4*z^2 + 96*y^5*z^2 - 1380*z^3 + 4426*y*z^3 - 5127*y^2*z^3 + 3064*y^3*z^3 - 1163*y^4*z^3 + 1664*z^4 - 3676*y*z^4 + 3229*y^2*z^4 - 1397*y^3*z^4 - 840*z^5 + 1212*y*z^5 - 372*y^2*z^5 + 144*z^6 - 144*y*z^6))/(18*(-1 + y)*y*z* (-1 + y + z)^2*(y + z)) + ((I/216)*Pi^2*(246*y^4 - 894*y^5 + 1206*y^6 - 714*y^7 + 156*y^8 + 234*y^3*z - 1902*y^4*z + 3927*y^5*z - 2772*y^6*z + 201*y^7*z + 312*y^8*z - 244*y^2*z^2 - 140*y^3*z^2 + 2910*y^4*z^2 - 3195*y^5*z^2 - 447*y^6*z^2 + 1116*y^7*z^2 + 145*y*z^3 + 300*y^2*z^3 - 250*y^3*z^3 - 330*y^4*z^3 - 1557*y^5*z^3 + 1776*y^6*z^3 + 224*z^4 - 1335*y*z^4 + 1579*y^2*z^4 - 345*y^3*z^4 - 1461*y^4*z^4 + 1506*y^5*z^4 - 920*z^5 + 3428*y*z^5 - 3856*y^2*z^5 + 1060*y^3*z^5 + 372*y^4*z^5 + 1410*z^6 - 3656*y*z^6 + 2862*y^2*z^6 - 616*y^3*z^6 - 952*z^7 + 1644*y*z^7 - 692*y^2*z^7 + 238*z^8 - 238*y*z^8))/((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2) + ((6*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/36)*(-1 + z)* (-12 + 45*y - 63*y^2 + 119*y^3 - 135*y^4 + 54*y^5 + 24*z - 30*y*z - 99*y^2*z + 78*y^3*z - 135*y^4*z + 108*y^5*z - 24*z^2 + 96*y*z^2 - 159*y^2*z^2 - 105*y^3*z^2 + 270*y^4*z^2 + 136*z^3 - 492*y*z^3 + 441*y^2*z^3 + 160*y^3*z^3 - 324*z^4 + 591*y*z^4 - 120*y^2*z^4 + 288*z^5 - 210*y*z^5 - 88*z^6))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, z] + ((Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 44*z + 141*y*z - 150*y^2*z + 30*y^3*z + 176*z^2 - 405*y*z^2 + 273*y^2*z^2 - 18*y^3*z^2 - 264*z^3 + 399*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y*z^4 - 44*z^5))/(3*y^2*(-1 + y + z)^2) - ((I/36)*(12 - 18*y - 47*y^3 + 99*y^4 - 54*y^5 - 84*z + 108*y*z + 102*y^2*z - 139*y^3*z + 54*y^4*z - 54*y^5*z + 108*z^2 + 30*y*z^2 + 258*y^2*z^2 - 825*y^3*z^2 + 153*y^4*z^2 + 108*y^5*z^2 - 178*z^3 + 684*y*z^3 - 2334*y^2*z^3 + 1571*y^3*z^3 - 90*y^4*z^3 + 892*z^4 - 3042*y*z^4 + 3486*y^2*z^4 - 560*y^3*z^4 - 1680*z^5 + 3480*y*z^5 - 1512*y^2*z^5 + 1276*z^6 - 1242*y*z^6 - 346*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, z] + ((2*Pi*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 13*z^3 + 39*y*z^3 - 39*y^2*z^3 + 4*y^3*z^3 + 6*y^4*z^3 + 52*z^4 - 117*y*z^4 + 78*y^2*z^4 - 7*y^3*z^4 - 78*z^5 + 117*y*z^5 - 39*y^2*z^5 + 52*z^6 - 39*y*z^6 - 13*z^7))/(3*y^2*z^2*(-1 + y + z)^2) - ((I/36)*(6*y^3 - 12*y^4 - 8*y^5 + 32*y^6 - 18*y^7 - 4*y^8 + 4*y^9 - 6*y^2*z + 54*y^3*z - 52*y^4*z - 354*y^5*z + 904*y^6*z - 752*y^7*z + 186*y^8*z + 20*y^9*z - 30*y*z^2 + 216*y^2*z^2 - 437*y^3*z^2 - 456*y^4*z^2 + 1862*y^5*z^2 - 964*y^6*z^2 - 735*y^7*z^2 + 544*y^8*z^2 - 18*z^3 + 222*y*z^3 - 850*y^2*z^3 + 1209*y^3*z^3 - 1451*y^4*z^3 + 3139*y^5*z^3 - 4701*y^6*z^3 + 2450*y^7*z^3 + 72*z^4 - 194*y*z^4 + 744*y^2*z^4 - 3916*y^3*z^4 + 8756*y^4*z^4 - 9732*y^5*z^4 + 4342*y^6*z^4 + 110*z^5 - 1206*y*z^5 + 418*y^2*z^5 + 6478*y^3*z^5 - 10146*y^4*z^5 + 4490*y^5*z^5 - 824*z^6 + 3299*y*z^6 - 1348*y^2*z^6 - 4119*y^3*z^6 + 3064*y^4*z^6 + 1356*z^7 - 3353*y*z^7 + 1329*y^2*z^7 + 668*y^3*z^7 - 928*z^8 + 1482*y*z^8 - 554*y^2*z^8 + 232*z^9 - 232*y*z^9))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[1 - y, 0, z] + ((Pi*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 18*y^3*z^2 - 30*y^4*z^2 + 18*y^5*z^2 + 44*z^3 - 141*y*z^3 + 150*y^2*z^3 - 60*y^3*z^3 + 18*y^4*z^3 - 176*z^4 + 405*y*z^4 - 273*y^2*z^4 + 42*y^3*z^4 + 264*z^5 - 399*y*z^5 + 132*y^2*z^5 - 176*z^6 + 132*y*z^6 + 44*z^7))/ (3*y^2*z^2*(-1 + y + z)^2) + ((I/36)*(-12*y^2 + 30*y^3 - 18*y^4 + 85*y^5 - 340*y^6 + 492*y^7 - 310*y^8 + 73*y^9 - 24*y*z + 144*y^2*z - 228*y^3*z + 44*y^4*z - 117*y^5*z + 583*y^6*z - 419*y^7*z - 111*y^8*z + 128*y^9*z - 12*z^2 + 198*y*z^2 - 510*y^2*z^2 - 20*y^3*z^2 + 1056*y^4*z^2 - 1426*y^5*z^2 + 2408*y^6*z^2 - 2892*y^7*z^2 + 1198*y^8*z^2 + 84*z^3 - 408*y*z^3 + 124*y^2*z^3 + 1330*y^3*z^3 - 3320*y^4*z^3 + 6324*y^5*z^3 - 7934*y^6*z^3 + 3800*y^7*z^3 - 108*z^4 + 434*y*z^4 - 822*y^2*z^4 - 41*y^3*z^4 + 4536*y^4*z^4 - 9069*y^5*z^4 + 5238*y^6*z^4 + 178*z^5 - 2058*y*z^5 + 5612*y^2*z^5 - 3429*y^3*z^5 - 3477*y^4*z^5 + 3510*y^5*z^5 - 892*z^6 + 5530*y*z^6 - 8830*y^2*z^6 + 3730*y^3*z^6 + 630*y^4*z^6 + 1680*z^7 - 5948*y*z^7 + 5640*y^2*z^7 - 1372*y^3*z^7 - 1276*z^8 + 2622*y*z^8 - 1346*y^2*z^8 + 346*z^9 - 346*y*z^9))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)^2))* G[1 - y, 1 - y, z] + ((4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/36)*(-12*y + 51*y^2 - 96*y^3 + 189*y^4 - 402*y^5 + 504*y^6 - 308*y^7 + 74*y^8 - 12*z + 105*y*z - 285*y^2*z + 444*y^3*z - 612*y^4*z + 498*y^5*z + 94*y^6*z - 404*y^7*z + 172*y^8*z + 54*z^2 - 309*y*z^2 + 807*y^2*z^2 - 1302*y^3*z^2 + 660*y^4*z^2 + 1362*y^5*z^2 - 2092*y^6*z^2 + 820*y^7*z^2 - 120*z^3 + 626*y*z^3 - 1982*y^2*z^3 + 3006*y^3*z^3 - 710*y^4*z^3 - 2116*y^5*z^3 + 1296*y^6*z^3 + 50*z^4 - 502*y*z^4 + 2396*y^2*z^4 - 3182*y^3*z^4 + 694*y^4*z^4 + 568*y^5*z^4 + 364*z^5 - 688*y*z^5 - 552*y^2*z^5 + 1208*y^3*z^5 - 308*y^4*z^5 - 744*z^6 + 1512*y*z^6 - 708*y^2*z^6 - 60*y^3*z^6 + 552*z^7 - 864*y*z^7 + 312*y^2*z^7 - 144*z^8 + 144*y*z^8))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))*G[1 - y, -y, z] + ((-13*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/12)*(-64*y^5 + 142*y^6 - 112*y^7 + 30*y^8 - 64*y^4*z + 202*y^5*z - 40*y^6*z - 162*y^7*z + 86*y^8*z + 2*y^3*z^2 + 136*y^4*z^2 + 155*y^5*z^2 - 631*y^6*z^2 + 344*y^7*z^2 - 226*y^2*z^3 + 750*y^3*z^3 - 754*y^4*z^3 - 267*y^5*z^3 + 464*y^6*z^3 + 122*y*z^4 + 310*y^2*z^4 - 1242*y^3*z^4 + 822*y^4*z^4 + 136*y^5*z^4 + 146*z^5 - 872*y*z^5 + 590*y^2*z^5 + 430*y^3*z^5 - 140*y^4*z^5 - 508*z^6 + 1659*y*z^6 - 1089*y^2*z^6 + 136*y^3*z^6 + 664*z^7 - 1257*y*z^7 + 464*y^2*z^7 - 388*z^8 + 344*y*z^8 + 86*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, 0, z] + ((Pi*(-1 + y + z)*(21*y^3 + 42*y^3*z - 26*z^3 + 26*z^4))/ (3*y^2*z^2) - ((I/36)*(-321*y^5 + 873*y^6 - 828*y^7 + 260*y^8 - 462*y^4*z + 1605*y^5*z - 1086*y^6*z - 716*y^7*z + 646*y^8*z - 213*y^3*z^2 + 1149*y^4*z^2 + 633*y^5*z^2 - 4855*y^6*z^2 + 3110*y^7*z^2 - 862*y^2*z^3 + 2961*y^3*z^3 - 1548*y^4*z^3 - 6327*y^5*z^3 + 5920*y^6*z^3 + 256*y*z^4 + 1858*y^2*z^4 - 4782*y^3*z^4 - 804*y^4*z^4 + 5250*y^5*z^4 + 434*z^5 - 2242*y*z^5 + 156*y^2*z^5 + 1956*y^3*z^5 + 1830*y^4*z^5 - 1556*z^6 + 4581*y*z^6 - 2069*y^2*z^6 + 390*y^3*z^6 + 2082*z^7 - 3625*y*z^7 + 1112*y^2*z^7 - 1244*z^8 + 1042*y*z^8 + 284*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, 1 - y, z] + (-1/3*(Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 - 22*z^3 + 22* z^4))/(y^2*z^2) + ((I/12)*(-4*y^4 + 4*y^5 + 4*y^4*z + 12*y^5*z - 39*y^2*z^2 - 45*y^3*z^2 + 54*y^4*z^2 - 19*y*z^3 + 52*y^2*z^3 - 6*y^3*z^3 + 36*z^4 + 25*y*z^4 - 90*y^2*z^4 - 72*z^5 - 6*y*z^5 + 36*z^6))/(y^2*z^2*(y + z)))*G[-y, -y, z] + ((I/3)*(-1 + z)*z*(-31 + 93*y - 93*y^2 + 19*y^3 + 93*z - 186*y*z + 93*y^2*z - 93*z^2 + 93*y*z^2 + 31*z^3)*G[0, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 31*z^3 + 93*y*z^3 - 93*y^2*z^3 + 22*y^3*z^3 + 6*y^4*z^3 + 124*z^4 - 279*y*z^4 + 186*y^2*z^4 - 25*y^3*z^4 - 186*z^5 + 279*y*z^5 - 93*y^2*z^5 + 124*z^6 - 93*y*z^6 - 31*z^7)*G[0, 0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/2)*(-1 + y + z)*(y + 10*z - 10*z^2)* G[0, 0, -y, z])/y^2 + (((2*I)/3)*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 8*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3)* G[0, 1, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 40*z + 129*y*z - 138*y^2*z + 28*y^3*z + 160*z^2 - 369*y*z^2 + 249*y^2*z^2 - 16*y^3*z^2 - 240*z^3 + 363*y*z^3 - 120*y^2*z^3 + 160*z^4 - 120*y*z^4 - 40*z^5)* G[0, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 12*y^3*z^2 - 36*y^4*z^2 + 24*y^5*z^2 + 35*z^3 - 105*y*z^3 + 105*y^2*z^3 - 47*y^3*z^3 + 24*y^4*z^3 - 140*z^4 + 315*y*z^4 - 210*y^2*z^4 + 35*y^3*z^4 + 210*z^5 - 315*y*z^5 + 105*y^2*z^5 - 140*z^6 + 105*y*z^6 + 35*z^7)*G[0, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 3*y*z^2 + 9*y^2*z^2 - 6*y^3*z^2 - 6*y^4*z^2 + 6*y^5*z^2 - 80*z^3 + 249*y*z^3 - 258*y^2*z^3 + 76*y^3*z^3 + 6*y^4*z^3 + 320*z^4 - 729*y*z^4 + 489*y^2*z^4 - 70*y^3*z^4 - 480*z^5 + 723*y*z^5 - 240*y^2*z^5 + 320*z^6 - 240*y*z^6 - 80*z^7)*G[0, 1 - y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 20*z + 69*y*z - 78*y^2*z + 27*y^3*z + 80*z^2 - 189*y*z^2 + 129*y^2*z^2 - 18*y^3*z^2 - 120*z^3 + 183*y*z^3 - 60*y^2*z^3 + 80*z^4 - 60*y*z^4 - 20*z^5)*G[0, 1 - y, -y, z])/ (y^2*(-1 + y + z)^2) + ((I/6)*(-1 + y + z)*(9*y^3 + 18*y^3*z + 106*z^3 - 106*z^4)*G[0, -y, 0, z])/(y^2*z^2) - ((I/6)*(-17*y^3 + 51*y^4 - 51*y^5 + 17*y^6 + 17*y^3*z - 51*y^5*z + 34*y^6*z - 3*y*z^2 + 9*y^2*z^2 + 45*y^3*z^2 - 153*y^4*z^2 + 102*y^5*z^2 - 124*z^3 + 381*y*z^3 - 390*y^2*z^3 + 71*y^3*z^3 + 102*y^4*z^3 + 496*z^4 - 1125*y*z^4 + 753*y^2*z^4 - 116*y^3*z^4 - 744*z^5 + 1119*y*z^5 - 372*y^2*z^5 + 496*z^6 - 372*y*z^6 - 124*z^7)*G[0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 + 22*z^3 - 22*z^4)* G[0, -y, -y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z* (-11 + 33*y - 33*y^2 + 13*y^3 + 33*z - 66*y*z + 33*y^2*z - 33*z^2 + 33*y*z^2 + 11*z^3)*G[1, 0, 0, z])/(y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 114*z + 351*y*z - 360*y^2*z + 116*y^3*z + 456*z^2 - 1035*y*z^2 + 693*y^2*z^2 - 104*y^3*z^2 - 684*z^3 + 1029*y*z^3 - 342*y^2*z^3 + 456*z^4 - 342*y*z^4 - 114*z^5)*G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[1, 0, -y, z])/ (y^2*(-1 + y + z)^2) + (I*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 3*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)* G[1, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-6*y + 18*y^2 - 24*y^3 + 12*y^4 - 29*z + 105*y*z - 123*y^2*z + 15*y^3*z + 116*z^2 - 279*y*z^2 + 192*y^2*z^2 + 9*y^3*z^2 - 174*z^3 + 267*y*z^3 - 87*y^2*z^3 + 116*z^4 - 87*y*z^4 - 29*z^5)*G[1, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z*(-12 + 36*y - 36*y^2 + 13*y^3 + 36*z - 72*y*z + 36*y^2*z - 36*z^2 + 36*y*z^2 + 12*z^3)* G[1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 20*z - 51*y*z + 42*y^2*z - 28*y^3*z - 80*z^2 + 171*y*z^2 - 111*y^2*z^2 + 40*y^3*z^2 + 120*z^3 - 177*y*z^3 + 60*y^2*z^3 - 80*z^4 + 60*y*z^4 + 20*z^5)* G[1, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[1, 1 - y, -y, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z + 9*y^3*z^2 - 27*y^4*z^2 + 18*y^5*z^2 - 26*z^3 + 78*y*z^3 - 78*y^2*z^3 + 7*y^3*z^3 + 18*y^4*z^3 + 104*z^4 - 234*y*z^4 + 156*y^2*z^4 - 16*y^3*z^4 - 156*z^5 + 234*y*z^5 - 78*y^2*z^5 + 104*z^6 - 78*y*z^6 - 26*z^7)* G[1 - y, 0, 0, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-33*y^3 + 99*y^4 - 99*y^5 + 33*y^6 + 33*y^3*z - 99*y^5*z + 66*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 108*y^3*z^2 - 300*y^4*z^2 + 198*y^5*z^2 + 62*z^3 - 195*y*z^3 + 204*y^2*z^3 - 232*y^3*z^3 + 198*y^4*z^3 - 248*z^4 + 567*y*z^4 - 381*y^2*z^4 + 124*y^3*z^4 + 372*z^5 - 561*y*z^5 + 186*y^2*z^5 - 248*z^6 + 186*y*z^6 + 62*z^7)* G[1 - y, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z - 3*y*z^2 + 9*y^2*z^2 + 6*y^3*z^2 - 42*y^4*z^2 + 30*y^5*z^2 - 20*z^3 + 69*y*z^3 - 78*y^2*z^3 + 30*y^4*z^3 + 80*z^4 - 189*y*z^4 + 129*y^2*z^4 - 6*y^3*z^4 - 120*z^5 + 183*y*z^5 - 60*y^2*z^5 + 80*z^6 - 60*y*z^6 - 20*z^7)* G[1 - y, 0, -y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 + 16*z^3 - 48*y*z^3 + 48*y^2*z^3 - 53*y^3*z^3 + 54*y^4*z^3 - 64*z^4 + 144*y*z^4 - 96*y^2*z^4 + 26*y^3*z^4 + 96*z^5 - 144*y*z^5 + 48*y^2*z^5 - 64*z^6 + 48*y*z^6 + 16*z^7)*G[1 - y, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 15*y^3*z^2 - 69*y^4*z^2 + 54*y^5*z^2 - 90*z^3 + 315*y*z^3 - 360*y^2*z^3 + 113*y^3*z^3 + 54*y^4*z^3 + 360*z^4 - 855*y*z^4 + 585*y^2*z^4 - 98*y^3*z^4 - 540*z^5 + 825*y*z^5 - 270*y^2*z^5 + 360*z^6 - 270*y*z^6 - 90*z^7)*G[1 - y, 1, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-10*y^3 + 30*y^4 - 30*y^5 + 10*y^6 + 10*y^3*z - 30*y^5*z + 20*y^6*z + 30*y^3*z^2 - 90*y^4*z^2 + 60*y^5*z^2 + 35*z^3 - 105*y*z^3 + 105*y^2*z^3 - 81*y^3*z^3 + 60*y^4*z^3 - 140*z^4 + 315*y*z^4 - 210*y^2*z^4 + 51*y^3*z^4 + 210*z^5 - 315*y*z^5 + 105*y^2*z^5 - 140*z^6 + 105*y*z^6 + 35*z^7)*G[1 - y, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-57*y^3 + 171*y^4 - 171*y^5 + 57*y^6 + 57*y^3*z - 171*y^5*z + 114*y^6*z - 9*y*z^2 + 27*y^2*z^2 + 144*y^3*z^2 - 504*y^4*z^2 + 342*y^5*z^2 + 8*z^3 + 3*y*z^3 - 30*y^2*z^3 - 258*y^3*z^3 + 342*y^4*z^3 - 32*z^4 + 45*y*z^4 - 21*y^2*z^4 + 114*y^3*z^4 + 48*z^5 - 63*y*z^5 + 24*y^2*z^5 - 32*z^6 + 24*y*z^6 + 8*z^7)*G[1 - y, 1 - y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + y + z)* (5*y^3 + 10*y^3*z + 2*z^3 - 2*z^4)*G[1 - y, 1 - y, -y, z])/ (y^2*z^2) - (((13*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[1 - y, -y, 0, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(9*y^3 + 18*y^3*z - 13*z^3 + 13*z^4)* G[1 - y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 - 22*z^3 + 22*z^4)* G[1 - y, -y, -y, z])/(y^2*z^2) - (((13*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 0, 0, z])/(y^2*z^2) + ((2*I)*(-1 + y + z)*(y^3 + 2*y^3*z - 4*z^3 + 4*z^4)* G[-y, 0, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (4*y^3 + 8*y^3*z - 3*y*z^2 - 30*z^3 + 30*z^4)*G[-y, 0, -y, z])/ (y^2*z^2) + ((I/6)*(-1 + y + z)*(23*y^3 + 46*y^3*z - 22*z^3 + 22*z^4)*G[-y, 1 - y, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(y^2 + 2*y^2*z + 3*z^2)*G[-y, 1 - y, 1 - y, z])/ (y*z^2) - ((I/3)*(-1 + y + z)*(8*y^3 + 16*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4)*G[-y, 1 - y, -y, z])/(y^2*z^2) + (((22*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, -y, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)* (38*y^3 + 76*y^3*z - 3*y*z^2 - 110*z^3 + 110*z^4)* G[-y, -y, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)* (2*y^3 + 4*y^3*z - 3*y*z^2 - 22*z^3 + 22*z^4)*G[-y, -y, -y, z])/ (y^2*z^2) + ((I/2)*(-7*y + 21*y^2 - 24*y^3 + 10*y^4 - 30*z + 111*y*z - 132*y^2*z + 48*y^3*z + 120*z^2 - 291*y*z^2 + 201*y^2*z^2 - 24*y^3*z^2 - 180*z^3 + 277*y*z^3 - 90*y^2*z^3 + 120*z^4 - 90*y*z^4 - 30*z^5)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1, 1, z]*((-7*Pi^3*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2) + ((I/72)*Pi^2*(-1 + z)^2* (9*y - 9*y^2 - 16*z + 17*y*z - 26*y^2*z + 12*z^2 + 29*y*z^2 - 55*y^2*z^2 + 204*z^3 - 609*y*z^3 + 554*y^2*z^3 - 380*z^4 + 554*y*z^4 + 180*z^5))/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-6*y + 18*y^2 - 24*y^3 + 12*y^4 - 38*z + 132*y*z - 150*y^2*z + 33*y^3*z + 152*z^2 - 360*y*z^2 + 246*y^2*z^2 - 9*y^3*z^2 - 228*z^3 + 348*y*z^3 - 114*y^2*z^3 + 152*z^4 - 114*y*z^4 - 38*z^5)*G[0, 0, 1, y])/(y^2*(-1 + y + z)^2) + ((I/3)*(-6*y + 18*y^2 - 24*y^3 + 12*y^4 - 29*z + 105*y*z - 123*y^2*z + 15*y^3*z + 116*z^2 - 279*y*z^2 + 192*y^2*z^2 + 9*y^3*z^2 - 174*z^3 + 267*y*z^3 - 87*y^2*z^3 + 116*z^4 - 87*y*z^4 - 29*z^5)*G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) + ((I/3)*(-6*y + 18*y^2 - 24*y^3 + 12*y^4 - 38*z + 132*y*z - 150*y^2*z + 33*y^3*z + 152*z^2 - 360*y*z^2 + 246*y^2*z^2 - 9*y^3*z^2 - 228*z^3 + 348*y*z^3 - 114*y^2*z^3 + 152*z^4 - 114*y*z^4 - 38*z^5)*G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-6*y + 18*y^2 - 24*y^3 + 12*y^4 - 29*z + 105*y*z - 123*y^2*z + 15*y^3*z + 116*z^2 - 279*y*z^2 + 192*y^2*z^2 + 9*y^3*z^2 - 174*z^3 + 267*y*z^3 - 87*y^2*z^3 + 116*z^4 - 87*y*z^4 - 29*z^5)*G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) + ((3*I)*(-2*y + 6*y^2 - 8*y^3 + 4*y^4 - 14*z + 48*y*z - 54*y^2*z + 9*y^3*z + 56*z^2 - 132*y*z^2 + 90*y^2*z^2 - y^3*z^2 - 84*z^3 + 128*y*z^3 - 42*y^2*z^3 + 56*z^4 - 42*y*z^4 - 14*z^5)*Zeta[3])/ (y^2*(-1 + y + z)^2)) + G[1 - y, 0, z]* ((Pi*(4*y - 12*y^2 - 50*y^3 + 190*y^4 - 198*y^5 + 66*y^6 + 4*z - 22*y*z + 240*y^2*z - 427*y^3*z + 346*y^4*z - 285*y^5*z + 144*y^6*z - 10*z^2 + 1123*y*z^2 - 3618*y^2*z^2 + 3961*y^3*z^2 - 1492*y^4*z^2 + 36*y^5*z^2 + 1013*z^3 - 6190*y*z^3 + 10504*y^2*z^3 - 6265*y^3*z^3 + 785*y^4*z^3 - 3009*z^4 + 10090*y*z^4 - 10129*y^2*z^4 + 2895*y^3*z^4 + 3003*z^5 - 6006*y*z^5 + 3003*y^2*z^5 - 1001*z^6 + 1001*y*z^6))/ (18*(-1 + y)*y^2*z*(-1 + y + z)*(y + z)) - ((I/216)*(200*y - 705*y^2 - 1160*y^3 + 6005*y^4 - 6510*y^5 + 2170*y^6 + 200*z - 1007*y*z + 4126*y^2*z - 6596*y^3*z + 9001*y^4*z - 10532*y^5*z + 4808*y^6*z - 302*z^2 + 29796*y*z^2 - 94270*y^2*z^2 + 109771*y^3*z^2 - 46875*y^4*z^2 + 1880*y^5*z^2 + 31710*z^3 - 183489*y*z^3 + 311772*y^2*z^3 - 192042*y^3*z^3 + 25650*y^4*z^3 - 94620*z^4 + 312030*y*z^4 - 315399*y^2*z^4 + 91590*y^3*z^4 + 94518*z^5 - 189036*y*z^5 + 94518*y^2*z^5 - 31506*z^6 + 31506*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)*(y + z)) + (Pi^3*(-11*y^3 + 33*y^4 - 33*y^5 + 11*y^6 + 11*y^3*z - 33*y^5*z + 22*y^6*z + 33*y^3*z^2 - 99*y^4*z^2 + 66*y^5*z^2 + 70*z^3 - 210*y*z^3 + 210*y^2*z^3 - 109*y^3*z^3 + 66*y^4*z^3 - 280*z^4 + 630*y*z^4 - 420*y^2*z^4 + 76*y^3*z^4 + 420*z^5 - 630*y*z^5 + 210*y^2*z^5 - 280*z^6 + 210*y*z^6 + 70*z^7))/ (18*y^2*z^2*(-1 + y + z)^2) - ((I/216)*Pi^2*(-12*y^2 + 42*y^3 - 84*y^4 + 124*y^5 + 10*y^6 - 398*y^7 + 608*y^8 - 376*y^9 + 86*y^10 - 24*y*z + 168*y^2*z - 408*y^3*z + 674*y^4*z - 1238*y^5*z + 2074*y^6*z - 2508*y^7*z + 2078*y^8*z - 1054*y^9*z + 238*y^10*z - 12*z^2 + 210*y*z^2 - 744*y^2*z^2 + 517*y^3*z^2 + 329*y^4*z^2 + 1652*y^5*z^2 - 5598*y^6*z^2 + 6013*y^7*z^2 - 2951*y^8*z^2 + 584*y^9*z^2 + 84*z^3 - 600*y*z^3 - 1504*y^2*z^3 + 12859*y^3*z^3 - 26204*y^4*z^3 + 23214*y^5*z^3 - 9058*y^6*z^3 + 1547*y^7*z^3 - 338*y^8*z^3 - 180*z^4 - 2060*y*z^4 + 22112*y^2*z^4 - 65479*y^3*z^4 + 88347*y^4*z^4 - 59531*y^5*z^4 + 19843*y^6*z^4 - 3052*y^7*z^4 - 742*z^5 + 14644*y*z^5 - 64910*y^2*z^5 + 121983*y^3*z^5 - 110536*y^4*z^5 + 47021*y^5*z^5 - 7766*y^6*z^5 + 3508*z^6 - 29942*y*z^6 + 83672*y^2*z^6 - 103728*y^3*z^6 + 58182*y^4*z^6 - 12304*y^5*z^6 - 5280*z^7 + 27824*y*z^7 - 51020*y^2*z^7 + 39022*y^3*z^7 - 10852*y^4*z^7 + 3484*z^8 - 11776*y*z^8 + 13100*y^2*z^8 - 4808*y^3*z^8 - 862*z^9 + 1724*y*z^9 - 862*y^2*z^9))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2* (y + z)^2) + ((I/6)*(-31*y^3 + 93*y^4 - 93*y^5 + 31*y^6 + 31*y^3*z - 93*y^5*z + 62*y^6*z + 93*y^3*z^2 - 279*y^4*z^2 + 186*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 131*y^3*z^3 + 186*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 + 38*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)* G[0, 0, 0, y])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-23*y^3 + 69*y^4 - 69*y^5 + 23*y^6 + 23*y^3*z - 69*y^5*z + 46*y^6*z + 69*y^3*z^2 - 207*y^4*z^2 + 138*y^5*z^2 + 32*z^3 - 96*y*z^3 + 96*y^2*z^3 - 169*y^3*z^3 + 138*y^4*z^3 - 128*z^4 + 288*y*z^4 - 192*y^2*z^4 + 100*y^3*z^4 + 192*z^5 - 288*y*z^5 + 96*y^2*z^5 - 128*z^6 + 96*y*z^6 + 32*z^7)*G[0, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-16*y^3 + 48*y^4 - 48*y^5 + 16*y^6 + 16*y^3*z - 48*y^5*z + 32*y^6*z + 48*y^3*z^2 - 144*y^4*z^2 + 96*y^5*z^2 + 55*z^3 - 165*y*z^3 + 165*y^2*z^3 - 133*y^3*z^3 + 96*y^4*z^3 - 220*z^4 + 495*y*z^4 - 330*y^2*z^4 + 85*y^3*z^4 + 330*z^5 - 495*y*z^5 + 165*y^2*z^5 - 220*z^6 + 165*y*z^6 + 55*z^7)*G[0, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-13*y^3 + 39*y^4 - 39*y^5 + 13*y^6 + 13*y^3*z - 39*y^5*z + 26*y^6*z + 39*y^3*z^2 - 117*y^4*z^2 + 78*y^5*z^2 + 22*z^3 - 66*y*z^3 + 66*y^2*z^3 - 79*y^3*z^3 + 78*y^4*z^3 - 88*z^4 + 198*y*z^4 - 132*y^2*z^4 + 40*y^3*z^4 + 132*z^5 - 198*y*z^5 + 66*y^2*z^5 - 88*z^6 + 66*y*z^6 + 22*z^7)*G[0, 1, 1, y])/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 + 28*z^3 - 84*y*z^3 + 84*y^2*z^3 - 63*y^3*z^3 + 54*y^4*z^3 - 112*z^4 + 252*y*z^4 - 168*y^2*z^4 + 36*y^3*z^4 + 168*z^5 - 252*y*z^5 + 84*y^2*z^5 - 112*z^6 + 84*y*z^6 + 28*z^7)* G[1, 0, 0, y])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-13*y^3 + 39*y^4 - 39*y^5 + 13*y^6 + 13*y^3*z - 39*y^5*z + 26*y^6*z + 39*y^3*z^2 - 117*y^4*z^2 + 78*y^5*z^2 - 20*z^3 + 60*y*z^3 - 60*y^2*z^3 - 50*y^3*z^3 + 78*y^4*z^3 + 80*z^4 - 180*y*z^4 + 120*y^2*z^4 + 11*y^3*z^4 - 120*z^5 + 180*y*z^5 - 60*y^2*z^5 + 80*z^6 - 60*y*z^6 - 20*z^7)*G[1, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 - 26*z^3 + 78*y*z^3 - 78*y^2*z^3 - y^3*z^3 + 30*y^4*z^3 + 104*z^4 - 234*y*z^4 + 156*y^2*z^4 - 14*y^3*z^4 - 156*z^5 + 234*y*z^5 - 78*y^2*z^5 + 104*z^6 - 78*y*z^6 - 26*z^7)* G[1, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, y])/y^2 - (((5*I)/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 - 12*z^3 + 36*y*z^3 - 36*y^2*z^3 - 35*y^3*z^3 + 54*y^4*z^3 + 48*z^4 - 108*y*z^4 + 72*y^2*z^4 + 8*y^3*z^4 - 72*z^5 + 108*y*z^5 - 36*y^2*z^5 + 48*z^6 - 36*y*z^6 - 12*z^7)*Zeta[3])/ (y^2*z^2*(-1 + y + z)^2)) + G[0, 1 - y, z]* ((Pi*(4*y - 12*y^2 - 50*y^3 + 190*y^4 - 198*y^5 + 66*y^6 + 4*z - 22*y*z + 240*y^2*z - 427*y^3*z + 346*y^4*z - 285*y^5*z + 144*y^6*z - 10*z^2 + 1123*y*z^2 - 3618*y^2*z^2 + 3961*y^3*z^2 - 1492*y^4*z^2 + 36*y^5*z^2 + 1013*z^3 - 6190*y*z^3 + 10504*y^2*z^3 - 6265*y^3*z^3 + 785*y^4*z^3 - 3009*z^4 + 10090*y*z^4 - 10129*y^2*z^4 + 2895*y^3*z^4 + 3003*z^5 - 6006*y*z^5 + 3003*y^2*z^5 - 1001*z^6 + 1001*y*z^6))/ (18*(-1 + y)*y^2*z*(-1 + y + z)*(y + z)) - ((I/216)*(200*y - 705*y^2 - 1160*y^3 + 6005*y^4 - 6510*y^5 + 2170*y^6 + 200*z - 1007*y*z + 4126*y^2*z - 6596*y^3*z + 9001*y^4*z - 10532*y^5*z + 4808*y^6*z - 302*z^2 + 29796*y*z^2 - 94270*y^2*z^2 + 109771*y^3*z^2 - 46875*y^4*z^2 + 1880*y^5*z^2 + 31710*z^3 - 183489*y*z^3 + 311772*y^2*z^3 - 192042*y^3*z^3 + 25650*y^4*z^3 - 94620*z^4 + 312030*y*z^4 - 315399*y^2*z^4 + 91590*y^3*z^4 + 94518*z^5 - 189036*y*z^5 + 94518*y^2*z^5 - 31506*z^6 + 31506*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)*(y + z)) + (Pi^3*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 3*y^3*z^2 - 15*y^4*z^2 + 12*y^5*z^2 + 70*z^3 - 210*y*z^3 + 210*y^2*z^3 - 113*y^3*z^3 + 12*y^4*z^3 - 280*z^4 + 630*y*z^4 - 420*y^2*z^4 + 110*y^3*z^4 + 420*z^5 - 630*y*z^5 + 210*y^2*z^5 - 280*z^6 + 210*y*z^6 + 70*z^7))/ (18*y^2*z^2*(-1 + y + z)^2) - ((I/216)*Pi^2*(4*y^2 - 14*y^3 + 22*y^4 - 105*y^5 + 405*y^6 - 744*y^7 + 704*y^8 - 337*y^9 + 65*y^10 + 8*y*z - 62*y^2*z + 196*y^3*z - 322*y^4*z - 27*y^5*z + 1272*y^6*z - 2438*y^7*z + 2114*y^8*z - 883*y^9*z + 142*y^10*z + 4*z^2 - 82*y*z^2 + 422*y^2*z^2 - 1622*y^3*z^2 + 2790*y^4*z^2 - 783*y^5*z^2 - 2497*y^6*z^2 + 1909*y^7*z^2 + 253*y^8*z^2 - 394*y^9*z^2 - 34*z^3 + 344*y*z^3 - 4140*y^2*z^3 + 17200*y^3*z^3 - 32366*y^4*z^3 + 33439*y^5*z^3 - 23452*y^6*z^3 + 12755*y^7*z^3 - 3746*y^8*z^3 + 96*z^4 - 3343*y*z^4 + 24979*y^2*z^4 - 70700*y^3*z^4 + 98962*y^4*z^4 - 78497*y^5*z^4 + 36853*y^6*z^4 - 8350*y^7*z^4 - 914*z^5 + 14921*y*z^5 - 65488*y^2*z^5 + 124934*y^3*z^5 - 121390*y^4*z^5 + 60383*y^5*z^5 - 12140*y^6*z^5 + 3308*z^6 - 29023*y*z^6 + 82485*y^2*z^6 - 105519*y^3*z^6 + 63921*y^4*z^6 - 14560*y^5*z^6 - 4974*z^7 + 27095*y*z^7 - 50498*y^2*z^7 + 40273*y^3*z^7 - 11590*y^4*z^7 + 3376*z^8 - 11644*y*z^8 + 13160*y^2*z^8 - 4892*y^3*z^8 - 862*z^9 + 1724*y*z^9 - 862*y^2*z^9))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2* (y + z)^2) + ((-2*Pi*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 13*z^3 - 39*y*z^3 + 39*y^2*z^3 - 12*y^3*z^3 + 6*y^4*z^3 - 52*z^4 + 117*y*z^4 - 78*y^2*z^4 + 9*y^3*z^4 + 78*z^5 - 117*y*z^5 + 39*y^2*z^5 - 52*z^6 + 39*y*z^6 + 13*z^7))/ (3*y^2*z^2*(-1 + y + z)^2) + ((I/36)*(84*y^5 - 336*y^6 + 504*y^7 - 336*y^8 + 84*y^9 + 108*y^4*z - 318*y^5*z + 126*y^6*z + 450*y^7*z - 546*y^8*z + 180*y^9*z + 18*y^3*z^2 + 132*y^4*z^2 - 915*y^5*z^2 + 1668*y^6*z^2 - 1209*y^7*z^2 + 306*y^8*z^2 + 106*y^2*z^3 - 808*y^3*z^3 + 2364*y^4*z^3 - 3017*y^5*z^3 + 2579*y^6*z^3 - 1224*y^7*z^3 - 628*y*z^4 + 1308*y^2*z^4 + 2746*y^3*z^4 - 9496*y^4*z^4 + 9816*y^5*z^4 - 3878*y^6*z^4 - 434*z^5 + 3480*y*z^5 - 4390*y^2*z^5 - 4880*y^3*z^5 + 10836*y^4*z^5 - 4876*y^5*z^5 + 1556*z^6 - 6317*y*z^6 + 4616*y^2*z^6 + 3315*y^3*z^6 - 3302*y^4*z^6 - 2082*z^7 + 5143*y*z^7 - 2553*y^2*z^7 - 508*y^3*z^7 + 1244*z^8 - 1974*y*z^8 + 730*y^2*z^8 - 284*z^9 + 284*y*z^9))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[1, 0, y] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/12)*(62*y^3 - 124*y^4 + 62*y^5 + 103*y^2*z - 110*y^3*z - 117*y^4*z + 124*y^5*z + 239*y*z^2 - 548*y^2*z^2 + 21*y^3*z^2 + 262*y^4*z^2 + 138*z^3 - 976*y*z^3 + 1021*y^2*z^3 - 78*y^3*z^3 - 414*z^4 + 1235*y*z^4 - 576*y^2*z^4 + 414*z^5 - 498*y*z^5 - 138*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1, 1, y] + ((I/6)*(-10*y^3 + 30*y^4 - 30*y^5 + 10*y^6 + 10*y^3*z - 30*y^5*z + 20*y^6*z + 39*y^3*z^2 - 99*y^4*z^2 + 60*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 + 7*y^3*z^3 + 60*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 46*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)*G[0, 0, 0, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-17*y^3 + 51*y^4 - 51*y^5 + 17*y^6 + 17*y^3*z - 51*y^5*z + 34*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 57*y^3*z^2 - 153*y^4*z^2 + 102*y^5*z^2 - 6*z^3 + 9*y*z^3 - 165*y^3*z^3 + 102*y^4*z^3 + 24*z^4 - 45*y*z^4 + 27*y^2*z^4 + 108*y^3*z^4 - 36*z^5 + 51*y*z^5 - 18*y^2*z^5 + 24*z^6 - 18*y*z^6 - 6*z^7)*G[0, 0, 1, y])/(y^2*z^2*(-1 + y + z)^2) + ((I/2)*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z - y*z^2 + 3*y^2*z^2 + 6*y^3*z^2 - 26*y^4*z^2 + 18*y^5*z^2 - 34*z^3 + 105*y*z^3 - 108*y^2*z^3 + 14*y^3*z^3 + 18*y^4*z^3 + 136*z^4 - 309*y*z^4 + 207*y^2*z^4 - 20*y^3*z^4 - 204*z^5 + 307*y*z^5 - 102*y^2*z^5 + 136*z^6 - 102*y*z^6 - 34*z^7)* G[0, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 21*y^3*z^2 - 27*y^4*z^2 + 12*y^5*z^2 - 26*z^3 + 69*y*z^3 - 60*y^2*z^3 + 97*y^3*z^3 + 12*y^4*z^3 + 104*z^4 - 225*y*z^4 + 147*y^2*z^4 - 118*y^3*z^4 - 156*z^5 + 231*y*z^5 - 78*y^2*z^5 + 104*z^6 - 78*y*z^6 - 26*z^7)* G[0, 1, 1, y])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 - 48*z^3 + 144*y*z^3 - 144*y^2*z^3 + 3*y^3*z^3 + 30*y^4*z^3 + 192*z^4 - 432*y*z^4 + 288*y^2*z^4 - 18*y^3*z^4 - 288*z^5 + 432*y*z^5 - 144*y^2*z^5 + 192*z^6 - 144*y*z^6 - 48*z^7)*G[1, 0, 0, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 + 40*z^3 - 120*y*z^3 + 120*y^2*z^3 - 129*y^3*z^3 + 54*y^4*z^3 - 160*z^4 + 360*y*z^4 - 240*y^2*z^4 + 102*y^3*z^4 + 240*z^5 - 360*y*z^5 + 120*y^2*z^5 - 160*z^6 + 120*y*z^6 + 40*z^7)* G[1, 0, 1, y])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-12*y^3 + 36*y^4 - 36*y^5 + 12*y^6 + 12*y^3*z - 36*y^5*z + 24*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 45*y^3*z^2 - 111*y^4*z^2 + 72*y^5*z^2 + 70*z^3 - 219*y*z^3 + 228*y^2*z^3 - 127*y^3*z^3 + 72*y^4*z^3 - 280*z^4 + 639*y*z^4 - 429*y^2*z^4 + 82*y^3*z^4 + 420*z^5 - 633*y*z^5 + 210*y^2*z^5 - 280*z^6 + 210*y*z^6 + 70*z^7)* G[1, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, y])/y^2 + ((I/6)*(-12*y^3 + 36*y^4 - 36*y^5 + 12*y^6 + 12*y^3*z - 36*y^5*z + 24*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 66*y^3*z^2 - 120*y^4*z^2 + 72*y^5*z^2 + 78*z^3 - 261*y*z^3 + 288*y^2*z^3 - 224*y^3*z^3 + 72*y^4*z^3 - 312*z^4 + 729*y*z^4 - 495*y^2*z^4 + 158*y^3*z^4 + 468*z^5 - 711*y*z^5 + 234*y^2*z^5 - 312*z^6 + 234*y*z^6 + 78*z^7)* Zeta[3])/(y^2*z^2*(-1 + y + z)^2)) + G[1 - y, 1 - y, z]* (-1/6*(Pi*(38*y^3 - 38*y^4 + 112*y^2*z - 251*y^3*z + 72*y^4*z + 182*y*z^2 - 532*y^2*z^2 + 281*y^3*z^2 + 72*z^3 - 463*y*z^3 + 418*y^2*z^3 - 144*z^4 + 281*y*z^4 + 72*z^5))/(y*z*(y + z)^2) + ((I/108)*(12*y^2 - 251*y^3 + 257*y^4 + 24*y*z + 8223*y^2*z - 9683*y^3*z + 10369*y^4*z + 12*z^2 + 20439*y*z^2 - 41295*y^2*z^2 + 31636*y^3*z^2 + 10345*z^3 - 52081*y*z^3 + 42534*y^2*z^3 - 20726*z^4 + 31636*y*z^4 + 10369*z^5))/(y*z*(y + z)^2) - (Pi^3*(-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 + 18*y^3*z - 54*y^5*z + 36*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 63*y^3*z^2 - 165*y^4*z^2 + 108*y^5*z^2 + 36*z^3 - 117*y*z^3 + 126*y^2*z^3 - 127*y^3*z^3 + 108*y^4*z^3 - 144*z^4 + 333*y*z^4 - 225*y^2*z^4 + 64*y^3*z^4 + 216*z^5 - 327*y*z^5 + 108*y^2*z^5 - 144*z^6 + 108*y*z^6 + 36*z^7))/(18*y^2*z^2*(-1 + y + z)^2) + ((I/216)*Pi^2*(-20*y^2 + 64*y^3 - 92*y^4 + 190*y^5 - 410*y^6 + 460*y^7 - 224*y^8 + 22*y^9 + 10*y^10 - 40*y*z + 280*y^2*z - 644*y^3*z - 80*y^4*z + 3208*y^5*z - 6584*y^6*z + 6076*y^7*z - 2480*y^8*z + 136*y^9*z + 128*y^10*z - 20*z^2 + 368*y*z^2 - 1276*y^2*z^2 + 1349*y^3*z^2 + 3539*y^4*z^2 - 13051*y^5*z^2 + 14909*y^6*z^2 - 4834*y^7*z^2 - 2476*y^8*z^2 + 1492*y^9*z^2 + 152*z^3 - 988*y*z^3 + 3528*y^2*z^3 - 8517*y^3*z^3 + 9960*y^4*z^3 - 7773*y^5*z^3 + 11208*y^6*z^3 - 11820*y^7*z^3 + 4250*y^8*z^3 - 264*z^4 + 2126*y*z^4 - 13778*y^2*z^4 + 38524*y^3*z^4 - 54650*y^4*z^4 + 47332*y^5*z^4 - 25754*y^6*z^4 + 6464*y^7*z^4 + 64*z^5 - 4990*y*z^5 + 29810*y^2*z^5 - 63172*y^3*z^5 + 65498*y^4*z^5 - 34672*y^5*z^5 + 7156*y^6*z^5 + 44*z^6 + 7670*y*z^6 - 30654*y^2*z^6 + 44940*y^3*z^6 - 29076*y^4*z^6 + 6464*y^5*z^6 + 264*z^7 - 6118*y*z^7 + 15334*y^2*z^7 - 14036*y^3*z^7 + 4250*y^4*z^7 - 368*z^8 + 2228*y*z^8 - 3352*y^2*z^8 + 1492*y^3*z^8 + 128*z^9 - 256*y*z^9 + 128*y^2*z^9))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2) - (((17*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, 0, y])/z^2 - (I*(-1 + y + z)*(8*y^2 + 16*y^2*z + z^2)*G[0, 0, 1, y])/(y*z^2) + ((I/6)*(-41*y^3 + 123*y^4 - 123*y^5 + 41*y^6 + 41*y^3*z - 123*y^5*z + 82*y^6*z - 9*y*z^2 + 27*y^2*z^2 + 96*y^3*z^2 - 360*y^4*z^2 + 246*y^5*z^2 + 8*z^3 + 3*y*z^3 - 30*y^2*z^3 - 174*y^3*z^3 + 246*y^4*z^3 - 32*z^4 + 45*y*z^4 - 21*y^2*z^4 + 78*y^3*z^4 + 48*z^5 - 63*y*z^5 + 24*y^2*z^5 - 32*z^6 + 24*y*z^6 + 8*z^7)*G[0, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(12*y^3 + 24*y^3*z - 3*y*z^2 + 10*z^3 - 10*z^4)* G[0, 1, 1, y])/(y^2*z^2) + ((I/6)*(-23*y^3 + 69*y^4 - 69*y^5 + 23*y^6 + 23*y^3*z - 69*y^5*z + 46*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 87*y^3*z^2 - 213*y^4*z^2 + 138*y^5*z^2 + 92*z^3 - 294*y*z^3 + 312*y^2*z^3 - 213*y^3*z^3 + 138*y^4*z^3 - 368*z^4 + 846*y*z^4 - 570*y^2*z^4 + 126*y^3*z^4 + 552*z^5 - 834*y*z^5 + 276*y^2*z^5 - 368*z^6 + 276*y*z^6 + 92*z^7)*G[1, 0, 0, y])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-27*y^3 + 81*y^4 - 81*y^5 + 27*y^6 + 27*y^3*z - 81*y^5*z + 54*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 108*y^3*z^2 - 252*y^4*z^2 + 162*y^5*z^2 + 10*z^3 - 57*y*z^3 + 84*y^2*z^3 - 180*y^3*z^3 + 162*y^4*z^3 - 40*z^4 + 117*y*z^4 - 87*y^2*z^4 + 72*y^3*z^4 + 60*z^5 - 99*y*z^5 + 30*y^2*z^5 - 40*z^6 + 30*y*z^6 + 10*z^7)*G[1, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 + 18*y^3*z - 54*y^5*z + 36*y^6*z - 6*y*z^2 + 18*y^2*z^2 + 36*y^3*z^2 - 156*y^4*z^2 + 108*y^5*z^2 - z^3 + 21*y*z^3 - 39*y^2*z^3 - 69*y^3*z^3 + 108*y^4*z^3 + 4*z^4 - 27*y*z^4 + 24*y^2*z^4 + 33*y^3*z^4 - 6*z^5 + 15*y*z^5 - 3*y^2*z^5 + 4*z^6 - 3*y*z^6 - z^7)*G[1, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-101*y^3 + 303*y^4 - 303*y^5 + 101*y^6 + 101*y^3*z - 303*y^5*z + 202*y^6*z + 24*y*z^2 - 72*y^2*z^2 + 375*y^3*z^2 - 933*y^4*z^2 + 606*y^5*z^2 + 202*z^3 - 678*y*z^3 + 750*y^2*z^3 - 787*y^3*z^3 + 606*y^4*z^3 - 808*z^4 + 1890*y*z^4 - 1284*y^2*z^4 + 412*y^3*z^4 + 1212*z^5 - 1842*y*z^5 + 606*y^2*z^5 - 808*z^6 + 606*y*z^6 + 202*z^7)*Zeta[3])/(y^2*z^2*(-1 + y + z)^2)) + G[1 - y, 1, z]*((Pi^3*(-1 + z)*z*(-15 + 45*y - 45*y^2 + 17*y^3 + 45*z - 90*y*z + 45*y^2*z - 45*z^2 + 45*y*z^2 + 15*z^3))/ (9*y^2*(-1 + y + z)^2) + ((I/216)*Pi^2*(-1 + 2*y + z)* (-8*y^2 + 33*y^3 - 59*y^4 + 51*y^5 - 17*y^6 - 16*y*z + 78*y^2*z - 152*y^3*z + 205*y^4*z - 342*y^5*z + 461*y^6*z - 312*y^7*z + 78*y^8*z - 8*z^2 + 57*y*z^2 - 139*y^2*z^2 + 316*y^3*z^2 - 817*y^4*z^2 + 1125*y^5*z^2 - 558*y^6*z^2 - 72*y^7*z^2 + 96*y^8*z^2 + 12*z^3 - 58*y*z^3 + 341*y^2*z^3 - 896*y^3*z^3 + 627*y^4*z^3 + 672*y^5*z^3 - 1082*y^6*z^3 + 384*y^7*z^3 - 12*z^4 + 662*y*z^4 - 2031*y^2*z^4 + 1651*y^3*z^4 + 1384*y^4*z^4 - 2472*y^5*z^4 + 818*y^6*z^4 + 330*z^5 - 2392*y*z^5 + 4219*y^2*z^5 - 1586*y^3*z^5 - 1690*y^4*z^5 + 966*y^5*z^5 - 918*z^6 + 3413*y*z^6 - 4004*y^2*z^6 + 1108*y^3*z^6 + 248*y^4*z^6 + 882*z^7 - 2238*y*z^7 + 1830*y^2*z^7 - 474*y^3*z^7 - 286*z^8 + 572*y*z^8 - 286*y^2*z^8))/((-1 + y)^2*y^2*z^2* (-1 + y + z)^2*(y + z)^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 69*y^3*z^2 - 93*y^4*z^2 + 54*y^5*z^2 + 110*z^3 - 375*y*z^3 + 420*y^2*z^3 - 221*y^3*z^3 + 54*y^4*z^3 - 440*z^4 + 1035*y*z^4 - 705*y^2*z^4 + 152*y^3*z^4 + 660*z^5 - 1005*y*z^5 + 330*y^2*z^5 - 440*z^6 + 330*y*z^6 + 110*z^7)*G[0, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 15*y^3*z^2 - 69*y^4*z^2 + 54*y^5*z^2 - 90*z^3 + 315*y*z^3 - 360*y^2*z^3 + 113*y^3*z^3 + 54*y^4*z^3 + 360*z^4 - 855*y*z^4 + 585*y^2*z^4 - 98*y^3*z^4 - 540*z^5 + 825*y*z^5 - 270*y^2*z^5 + 360*z^6 - 270*y*z^6 - 90*z^7)*G[0, 1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 69*y^3*z^2 - 93*y^4*z^2 + 54*y^5*z^2 + 110*z^3 - 375*y*z^3 + 420*y^2*z^3 - 221*y^3*z^3 + 54*y^4*z^3 - 440*z^4 + 1035*y*z^4 - 705*y^2*z^4 + 152*y^3*z^4 + 660*z^5 - 1005*y*z^5 + 330*y^2*z^5 - 440*z^6 + 330*y*z^6 + 110*z^7)*G[1, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 15*y^3*z^2 - 69*y^4*z^2 + 54*y^5*z^2 - 90*z^3 + 315*y*z^3 - 360*y^2*z^3 + 113*y^3*z^3 + 54*y^4*z^3 + 360*z^4 - 855*y*z^4 + 585*y^2*z^4 - 98*y^3*z^4 - 540*z^5 + 825*y*z^5 - 270*y^2*z^5 + 360*z^6 - 270*y*z^6 - 90*z^7)*G[1, 1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 45*y*z^2 - 135*y^2*z^2 + 153*y^3*z^2 - 117*y^4*z^2 + 54*y^5*z^2 + 284*z^3 - 987*y*z^3 + 1122*y^2*z^3 - 477*y^3*z^3 + 54*y^4*z^3 - 1136*z^4 + 2691*y*z^4 - 1839*y^2*z^4 + 324*y^3*z^4 + 1704*z^5 - 2601*y*z^5 + 852*y^2*z^5 - 1136*z^6 + 852*y*z^6 + 284*z^7)*Zeta[3])/ (y^2*z^2*(-1 + y + z)^2)) + G[1, z]* (((I/2160)*Pi^4*(-153*y + 459*y^2 - 612*y^3 + 306*y^4 - 372*z + 1575*y*z - 2034*y^2*z + 650*y^3*z + 1488*z^2 - 3807*y*z^2 + 2691*y^2*z^2 - 38*y^3*z^2 - 2232*z^3 + 3501*y*z^3 - 1116*y^2*z^3 + 1488*z^4 - 1116*y*z^4 - 372*z^5))/ (y^2*(-1 + y + z)^2) - (Pi^3*(-1 + z)^2*(-2 + 6*y - 6*y^2 + 4*z - 6*y^2*z - 2*z^2 - 15*y*z^2 + 9*y^2*z^2 + 9*z^3 - 60*y*z^3 + 69*y^2*z^3 - 18*z^4 + 69*y*z^4 + 9*z^5))/(54*y^2*z^2* (-1 + y + z)^2) - ((I/1296)*Pi^2*(-1 + z)*(152*y - 659*y^2 + 1122*y^3 - 831*y^4 + 324*y^5 - 108*y^6 + 152*z - 1085*y*z + 1812*y^2*z - 1500*y^3*z + 1809*y^4*z - 1620*y^5*z + 432*y^6*z - 426*z^2 + 1332*y*z^2 + 717*y^2*z^2 - 1932*y^3*z^2 + 165*y^4*z^2 - 432*y^5*z^2 + 576*y^6*z^2 + 642*z^3 - 1196*y*z^3 + 2117*y^2*z^3 - 5292*y^3*z^3 + 2001*y^4*z^3 + 1728*y^5*z^3 - 1664*z^4 + 7676*y*z^4 - 17856*y^2*z^4 + 15042*y^3*z^4 - 2280*y^4*z^4 + 3060*z^5 - 13389*y*z^5 + 18687*y^2*z^5 - 7440*y^3*z^5 - 2502*z^6 + 7248*y*z^6 - 4746*y^2*z^6 + 738*z^7 - 738*y*z^7))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)) + ((I/18)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 20*z + 69*y*z - 78*y^2*z + 12*y^3*z + 80*z^2 - 189*y*z^2 + 129*y^2*z^2 - 120*z^3 + 183*y*z^3 - 60*y^2*z^3 + 80*z^4 - 60*y*z^4 - 20*z^5)* G[0, 0, y])/(y^2*(-1 + y + z)^2) - ((I/36)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 76*z + 237*y*z - 246*y^2*z + 94*y^3*z + 304*z^2 - 693*y*z^2 + 465*y^2*z^2 - 82*y^3*z^2 - 456*z^3 + 687*y*z^3 - 228*y^2*z^3 + 304*z^4 - 228*y*z^4 - 76*z^5)*G[0, 1, y])/(y^2*(-1 + y + z)^2) + ((I/18)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 2*z + 15*y*z - 24*y^2*z - 6*y^3*z + 8*z^2 - 27*y*z^2 + 21*y^2*z^2 + 18*y^3*z^2 - 12*z^3 + 21*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)* G[1, 0, y])/(y^2*(-1 + y + z)^2) - ((I/36)*Pi^2*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 + 6*z + 9*y*z - 36*y^2*z - 82*y^3*z - 24*z^2 + 27*y*z^2 - 9*y^2*z^2 + 118*y^3*z^2 + 36*z^3 - 45*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5)*G[1, 1, y])/(y^2*(-1 + y + z)^2) + ((Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 18*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5))/(3*y^2*(-1 + y + z)^2) + ((I/36)*(8 - 33*y + 87*y^2 - 191*y^3 + 171*y^4 - 54*y^5 - 20*z + 15*y*z - 42*y^2*z + 221*y^3*z - 54*y^4*z - 54*y^5*z + 96*z^2 - 288*y*z^2 - 144*y^2*z^2 + 1191*y^3*z^2 - 963*y^4*z^2 + 108*y^5*z^2 - 90*z^3 + 102*y*z^3 + 1518*y^2*z^3 - 2101*y^3*z^3 + 630*y^4*z^3 - 480*z^4 + 1767*y*z^4 - 2871*y^2*z^4 + 880*y^3*z^4 + 1152*z^5 - 2565*y*z^5 + 1452*y^2*z^5 - 920*z^6 + 1002*y*z^6 + 254*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[0, 0, 1, y] + (-1/3*(Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 44*z + 141*y*z - 150*y^2* z + 30*y^3*z + 176*z^2 - 405*y*z^2 + 273*y^2*z^2 - 18*y^3* z^2 - 264*z^3 + 399*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y* z^4 - 44*z^5))/(y^2*(-1 + y + z)^2) + ((I/36)*(12 - 18*y - 47*y^3 + 99*y^4 - 54*y^5 - 84*z + 108*y*z + 102*y^2*z - 139*y^3*z + 54*y^4*z - 54*y^5*z + 108*z^2 + 30*y*z^2 + 258*y^2*z^2 - 825*y^3*z^2 + 153*y^4*z^2 + 108*y^5*z^2 - 178*z^3 + 684*y*z^3 - 2334*y^2*z^3 + 1571*y^3*z^3 - 90*y^4*z^3 + 892*z^4 - 3042*y*z^4 + 3486*y^2*z^4 - 560*y^3*z^4 - 1680*z^5 + 3480*y*z^5 - 1512*y^2*z^5 + 1276*z^6 - 1242*y*z^6 - 346*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[0, 1, 0, y] + (-1/3*(Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2* z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 18*y^3* z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5))/(y^2*(-1 + y + z)^2) - ((I/36)*(8 - 33*y + 87*y^2 - 191*y^3 + 171*y^4 - 54*y^5 - 20*z + 15*y*z - 42*y^2*z + 221*y^3*z - 54*y^4*z - 54*y^5*z + 96*z^2 - 288*y*z^2 - 144*y^2*z^2 + 1191*y^3*z^2 - 963*y^4*z^2 + 108*y^5*z^2 - 90*z^3 + 102*y*z^3 + 1518*y^2*z^3 - 2101*y^3*z^3 + 630*y^4*z^3 - 480*z^4 + 1767*y*z^4 - 2871*y^2*z^4 + 880*y^3*z^4 + 1152*z^5 - 2565*y*z^5 + 1452*y^2*z^5 - 920*z^6 + 1002*y*z^6 + 254*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, 1, y] + ((Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 44*z + 141*y*z - 150*y^2*z + 30*y^3*z + 176*z^2 - 405*y*z^2 + 273*y^2*z^2 - 18*y^3*z^2 - 264*z^3 + 399*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y*z^4 - 44*z^5))/(3*y^2*(-1 + y + z)^2) - ((I/36)*(12 - 18*y - 47*y^3 + 99*y^4 - 54*y^5 - 84*z + 108*y*z + 102*y^2*z - 139*y^3*z + 54*y^4*z - 54*y^5*z + 108*z^2 + 30*y*z^2 + 258*y^2*z^2 - 825*y^3*z^2 + 153*y^4*z^2 + 108*y^5*z^2 - 178*z^3 + 684*y*z^3 - 2334*y^2*z^3 + 1571*y^3*z^3 - 90*y^4*z^3 + 892*z^4 - 3042*y*z^4 + 3486*y^2*z^4 - 560*y^3*z^4 - 1680*z^5 + 3480*y*z^5 - 1512*y^2*z^5 + 1276*z^6 - 1242*y*z^6 - 346*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1, 0, y] + ((I/6)*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 - 58*z + 201*y*z - 228*y^2*z + 116*y^3*z + 232*z^2 - 549*y*z^2 + 375*y^2*z^2 - 80*y^3*z^2 - 348*z^3 + 531*y*z^3 - 174*y^2*z^3 + 232*z^4 - 174*y*z^4 - 58*z^5)*G[0, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 47*z + 150*y*z - 159*y^2*z + 31*y^3*z + 188*z^2 - 432*y*z^2 + 291*y^2*z^2 - 19*y^3*z^2 - 282*z^3 + 426*y*z^3 - 141*y^2*z^3 + 188*z^4 - 141*y*z^4 - 47*z^5)* G[0, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 28*z + 93*y*z - 102*y^2*z - 6*y^3*z + 112*z^2 - 261*y*z^2 + 177*y^2*z^2 + 18*y^3*z^2 - 168*z^3 + 255*y*z^3 - 84*y^2*z^3 + 112*z^4 - 84*y*z^4 - 28*z^5)* G[0, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 46*z + 147*y*z - 156*y^2*z + 30*y^3*z + 184*z^2 - 423*y*z^2 + 285*y^2*z^2 - 18*y^3*z^2 - 276*z^3 + 417*y*z^3 - 138*y^2*z^3 + 184*z^4 - 138*y*z^4 - 46*z^5)* G[0, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 14*z + 51*y*z - 60*y^2*z + 40*y^3*z + 56*z^2 - 135*y*z^2 + 93*y^2*z^2 - 28*y^3*z^2 - 84*z^3 + 129*y*z^3 - 42*y^2*z^3 + 56*z^4 - 42*y*z^4 - 14*z^5)* G[0, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 88*z + 273*y*z - 282*y^2*z + 74*y^3*z + 352*z^2 - 801*y*z^2 + 537*y^2*z^2 - 62*y^3*z^2 - 528*z^3 + 795*y*z^3 - 264*y^2*z^3 + 352*z^4 - 264*y*z^4 - 88*z^5)* G[0, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 50*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 62*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[1, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 14*z - 33*y*z + 24*y^2*z - 16*y^3*z - 56*z^2 + 117*y*z^2 - 75*y^2*z^2 + 28*y^3*z^2 + 84*z^3 - 123*y*z^3 + 42*y^2*z^3 - 56*z^4 + 42*y*z^4 + 14*z^5)* G[1, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 28*z + 93*y*z - 102*y^2*z - 6*y^3*z + 112*z^2 - 261*y*z^2 + 177*y^2*z^2 + 18*y^3*z^2 - 168*z^3 + 255*y*z^3 - 84*y^2*z^3 + 112*z^4 - 84*y*z^4 - 28*z^5)* G[1, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 46*z + 147*y*z - 156*y^2*z + 30*y^3*z + 184*z^2 - 423*y*z^2 + 285*y^2*z^2 - 18*y^3*z^2 - 276*z^3 + 417*y*z^3 - 138*y^2*z^3 + 184*z^4 - 138*y*z^4 - 46*z^5)* G[1, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 28*z + 93*y*z - 102*y^2*z - 7*y^3*z + 112*z^2 - 261*y*z^2 + 177*y^2*z^2 + 19*y^3*z^2 - 168*z^3 + 255*y*z^3 - 84*y^2*z^3 + 112*z^4 - 84*y*z^4 - 28*z^5)* G[1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) + ((I/6)*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 + 22*z - 39*y*z + 12*y^2*z - 44*y^3*z - 88*z^2 + 171*y*z^2 - 105*y^2*z^2 + 80*y^3*z^2 + 132*z^3 - 189*y*z^3 + 66*y^2*z^3 - 88*z^4 + 66*y*z^4 + 22*z^5)* G[1, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + (-1/3*(Pi*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 - 44*z + 159*y*z - 186* y^2*z + 18*y^3*z + 176*z^2 - 423*y*z^2 + 291*y^2*z^2 + 18*y^3* z^2 - 264*z^3 + 405*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y* z^4 - 44*z^5))/(y^2*(-1 + y + z)^2) - ((I/36)*(4 - 27*y + 153*y^2 - 335*y^3 + 243*y^4 - 54*y^5 + 14*z - 141*y*z - 144*y^2*z + 581*y^3*z - 162*y^4*z - 54*y^5*z + 144*z^2 - 108*y*z^2 - 1002*y^2*z^2 + 3207*y^3*z^2 - 2079*y^4*z^2 + 108*y^5*z^2 - 362*z^3 - 570*y*z^3 + 5004*y^2*z^3 - 5773*y^3*z^3 + 1350*y^4*z^3 - 412*z^4 + 4173*y*z^4 - 7191*y^2*z^4 + 2320*y^3*z^4 + 1674*z^5 - 5337*y*z^5 + 3180*y^2*z^5 - 1496*z^6 + 2010*y*z^6 + 434*z^7))/ (y^2*z^2*(-1 + y + z)^2))*Zeta[3]) + G[1 - y, z]*((Pi*(2*y^2 + 207*y^3 - 207*y^4 + 4*y*z + 1399*y^2*z - 2220*y^3*z + 1167*y^4*z + 2*z^2 + 2537*y*z^2 - 6225*y^2*z^2 + 4005*y^3*z^2 + 1165*z^3 - 6546*y*z^3 + 5676*y^2*z^3 - 2334*z^4 + 4005*y*z^4 + 1167*z^5))/(18*y*z*(y + z)^2) - ((I/216)*(76*y^2 + 845*y^3 - 845*y^4 + 152*y*z + 42704*y^2*z - 52545*y^3*z + 44762*y^4*z + 76*z^2 + 90217*y*z^2 - 194239*y^2*z^2 + 141694*y^3*z^2 + 44686*z^3 - 232063*y*z^3 + 193864*y^2*z^3 - 89524*z^4 + 141694*y*z^4 + 44762*z^5))/ (y*z*(y + z)^2) + ((I/720)*Pi^4*(-62*y^3 + 186*y^4 - 186*y^5 + 62*y^6 + 62*y^3*z - 186*y^5*z + 124*y^6*z + 51*y*z^2 - 153*y^2*z^2 + 325*y^3*z^2 - 595*y^4*z^2 + 372*y^5*z^2 + 124*z^3 - 525*y*z^3 + 678*y^2*z^3 - 929*y^3*z^3 + 372*y^4*z^3 - 496*z^4 + 1269*y*z^4 - 897*y^2*z^4 + 604*y^3*z^4 + 744*z^5 - 1167*y*z^5 + 372*y^2*z^5 - 496*z^6 + 372*y*z^6 + 124*z^7))/ (y^2*z^2*(-1 + y + z)^2) + (Pi^3*(-4*y^2 + 20*y^3 - 40*y^4 + 31*y^5 + 25*y^6 - 86*y^7 + 90*y^8 - 45*y^9 + 9*y^10 - 8*y*z + 56*y^2*z - 136*y^3*z - 138*y^4*z + 1495*y^5*z - 3374*y^6*z + 3602*y^7*z - 1866*y^8*z + 351*y^9*z + 18*y^10*z - 4*z^2 + 52*y*z^2 - 176*y^2*z^2 + 96*y^3*z^2 + 1886*y^4*z^2 - 6271*y^5*z^2 + 7471*y^6*z^2 - 2703*y^7*z^2 - 1077*y^8*z^2 + 726*y^9*z^2 + 16*z^3 - 104*y*z^3 + 998*y^2*z^3 - 3588*y^3*z^3 + 5298*y^4*z^3 - 5673*y^5*z^3 + 8296*y^6*z^3 - 8213*y^7*z^3 + 2970*y^8*z^3 - 24*z^4 + 614*y*z^4 - 6002*y^2*z^4 + 19102*y^3*z^4 - 30356*y^4*z^4 + 30103*y^5*z^4 - 18665*y^6*z^4 + 5228*y^7*z^4 + 34*z^5 - 2380*y*z^5 + 14786*y^2*z^5 - 34342*y^3*z^5 + 40202*y^4*z^5 - 24385*y^5*z^5 + 5932*y^6*z^5 - 76*z^6 + 3920*y*z^6 - 16474*y^2*z^6 + 26747*y^3*z^6 - 19651*y^4*z^6 + 5228*y^5*z^6 + 108*z^7 - 2928*y*z^7 + 8322*y^2*z^7 - 8625*y^3*z^7 + 2970*y^4*z^7 - 72*z^8 + 870*y*z^8 - 1524*y^2*z^8 + 726*y^3*z^8 + 18*z^9 - 36*y*z^9 + 18*y^2*z^9))/ (108*(-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2) - ((I/1296)*Pi^2*(-152*y^2 + 811*y^3 - 1619*y^4 + 944*y^5 + 1880*y^6 - 4429*y^7 + 4077*y^8 - 1854*y^9 + 342*y^10 - 304*y*z + 2200*y^2*z - 5381*y^3*z - 5244*y^4*z + 55160*y^5*z - 119824*y^6*z + 123265*y^7*z - 61422*y^8*z + 10812*y^9*z + 738*y^10*z - 152*z^2 + 1967*y*z^2 - 6973*y^2*z^2 - 7821*y^3*z^2 + 134035*y^4*z^2 - 379667*y^5*z^2 + 470639*y^6*z^2 - 259935*y^7*z^2 + 37815*y^8*z^2 + 10092*y^9*z^2 + 578*z^3 - 4279*y*z^3 + 5902*y^2*z^3 + 91965*y^3*z^3 - 439422*y^4*z^3 + 754817*y^5*z^3 - 547022*y^6*z^3 + 117373*y^7*z^3 + 20088*y^8*z^3 - 1068*z^4 + 9922*y*z^4 - 15466*y^2*z^4 - 146170*y^3*z^4 + 516522*y^4*z^4 - 580211*y^5*z^4 + 231043*y^6*z^4 - 14572*y^7*z^4 + 2306*z^5 - 31238*y*z^5 + 78724*y^2*z^5 + 22320*y^3*z^5 - 201370*y^4*z^5 + 177143*y^5*z^5 - 50612*y^6*z^5 - 4724*z^6 + 55387*y*z^6 - 134147*y^2*z^6 + 109022*y^3*z^6 - 16420*y^4*z^6 - 14572*y^5*z^6 + 5562*z^7 - 46551*y*z^7 + 92670*y^2*z^7 - 74496*y^3*z^7 + 20088*y^4*z^7 - 3240*z^8 + 16572*y*z^8 - 23424*y^2*z^8 + 10092*y^3*z^8 + 738*z^9 - 1476*y*z^9 + 738*y^2*z^9))/((-1 + y)^2*y^2*z^2* (-1 + y + z)^2*(y + z)^2) + (-1/3*(Pi*(22*y^2 - 66*y^3 + 66*y^4 - 22*y^5 + 25*y*z - 135*y^2*z + 225*y^3*z - 145*y^4*z + 30*y^5*z + 4*z^2 - 63*y*z^2 + 160*y^2* z^2 - 147*y^3*z^2 + 46*y^4*z^2 - 12*z^3 + 55*y*z^3 - 56*y^2* z^3 + 3*y^3*z^3 + 12*z^4 - 21*y*z^4 + 9*y^2*z^4 - 4*z^5 + 4*y* z^5))/((-1 + y)*y*z^2*(-1 + y + z)) + ((I/108)*(36*y - 117*y^2 + 451*y^3 - 897*y^4 + 753*y^5 - 226*y^6 + 36*z - 189*y*z + 2635*y^2*z - 13158*y^3*z + 25138*y^4*z - 20787*y^5*z + 6325*y^6*z - 72*z^2 + 1740*y*z^2 - 13395*y^2*z^2 + 36913*y^3*z^2 - 42958*y^4*z^2 + 17772*y^5*z^2 + 636*z^3 - 3942*y*z^3 + 14505*y^2*z^3 - 24816*y^3*z^3 + 14181*y^4*z^3 - 1728*z^4 + 3669*y*z^4 - 3769*y^2*z^4 + 2392*y^3*z^4 + 1692*z^5 - 1914*y*z^5 + 222*y^2*z^5 - 564*z^6 + 564*y*z^6))/((-1 + y)*y*z^2*(-1 + y + z)*(y + z)) + ((I/36)*Pi^2*(-142*y^3 + 426*y^4 - 426*y^5 + 142*y^6 + 142*y^3*z - 426*y^5*z + 284*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 441*y^3*z^2 - 1281*y^4*z^2 + 852*y^5*z^2 + 40*z^3 - 138*y*z^3 + 156*y^2*z^3 - 767*y^3*z^3 + 852*y^4*z^3 - 160*z^4 + 378*y*z^4 - 258*y^2*z^4 + 326*y^3*z^4 + 240*z^5 - 366*y*z^5 + 120*y^2*z^5 - 160*z^6 + 120*y*z^6 + 40*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[0, 0, y] + (((-1/36*I)*Pi^2*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 24*y^3*z^2 - 54*y^4*z^2 + 36*y^5*z^2 + 328*z^3 - 993*y*z^3 + 1002*y^2*z^3 - 384*y^3*z^3 + 36*y^4*z^3 - 1312*z^4 + 2961*y*z^4 - 1977*y^2*z^4 + 360*y^3*z^4 + 1968*z^5 - 2955*y*z^5 + 984*y^2*z^5 - 1312*z^6 + 984*y*z^6 + 328*z^7))/ (y^2*z^2*(-1 + y + z)^2) + (Pi*(4*y - 16*y^2 + 24*y^3 + 21*y^4 - 144*y^5 + 222*y^6 - 148*y^7 + 37*y^8 + 4*z - 28*y*z + 52*y^2*z - 75*y^3*z + 114*y^4*z - 162*y^5*z + 248*y^6*z - 239*y^7*z + 86*y^8*z - 12*z^2 + 40*y*z^2 - 191*y^2*z^2 + 634*y^3*z^2 - 866*y^4*z^2 + 658*y^5*z^2 - 455*y^6*z^2 + 192*y^7*z^2 + 12*z^3 - 425*y*z^3 + 1976*y^2*z^3 - 3240*y^3*z^3 + 2690*y^4*z^3 - 1241*y^5*z^3 + 228*y^6*z^3 - 270*z^4 + 2278*y*z^4 - 5757*y^2*z^4 + 6490*y^3*z^4 - 3534*y^4*z^4 + 640*y^5*z^4 + 798*z^5 - 3857*y*z^5 + 6316*y^2*z^5 - 4586*y^3*z^5 + 1176*y^4*z^5 - 798*z^6 + 2520*y*z^6 - 2646*y^2*z^6 + 924*y^3*z^6 + 266*z^7 - 532*y*z^7 + 266*y^2*z^7))/(18*(-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)) - ((I/216)*(152*y - 587*y^2 + 852*y^3 + 19*y^4 - 2014*y^5 + 3093*y^6 - 2022*y^7 + 507*y^8 + 152*z - 1061*y*z + 1688*y^2*z - 3467*y^3*z + 9548*y^4*z - 13433*y^5*z + 10260*y^6*z - 4995*y^7*z + 1308*y^8*z - 474*z^2 + 1526*y*z^2 - 4948*y^2*z^2 + 19130*y^3*z^2 - 27237*y^4*z^2 + 12846*y^5*z^2 - 1599*y^6*z^2 + 756*y^7*z^2 + 690*z^3 - 15218*y*z^3 + 64772*y^2*z^3 - 99951*y^3*z^3 + 66140*y^4*z^3 - 13139*y^5*z^3 - 3294*y^6*z^3 - 14884*z^4 + 102180*y*z^4 - 236197*y^2*z^4 + 242564*y^3*z^4 - 110054*y^4*z^4 + 13664*y^5*z^4 + 42720*z^5 - 187991*y*z^5 + 291430*y^2*z^5 - 195410*y^3*z^5 + 46524*y^4*z^5 - 42162*z^6 + 128400*y*z^6 - 130314*y^2*z^6 + 44076*y^3*z^6 + 13958*z^7 - 27916*y*z^7 + 13958*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)* (y + z)))*G[0, 1, y] + (((I/36)*Pi^2*(-15*y^3 + 45*y^4 - 45*y^5 + 15*y^6 + 15*y^3*z - 45*y^5*z + 30*y^6*z + 12*y*z^2 - 36*y^2*z^2 + 81*y^3*z^2 - 147*y^4*z^2 + 90*y^5*z^2 + 32*z^3 - 132*y*z^3 + 168*y^2*z^3 - 55*y^3*z^3 + 90*y^4*z^3 - 128*z^4 + 324*y*z^4 - 228*y^2*z^4 - 26*y^3*z^4 + 192*z^5 - 300*y*z^5 + 96*y^2*z^5 - 128*z^6 + 96*y*z^6 + 32*z^7))/(y^2*z^2*(-1 + y + z)^2) - ((I/216)*(72*y^2 - 108*y^3 + 3*y^4 - 150*y^5 + 528*y^6 - 510*y^7 + 165*y^8 + 144*y*z - 756*y^2*z - 2526*y^3*z + 15009*y^4*z - 25191*y^5*z + 18897*y^6*z - 6147*y^7*z + 570*y^8*z + 72*z^2 - 1188*y*z^2 - 1740*y^2*z^2 + 30330*y^3*z^2 - 62859*y^4*z^2 + 42744*y^5*z^2 - 2739*y^6*z^2 - 4620*y^7*z^2 - 540*z^3 + 9504*y*z^3 - 20148*y^2*z^3 + 17118*y^3*z^3 - 29075*y^4*z^3 + 55943*y^5*z^3 - 32802*y^6*z^3 + 5988*z^4 - 59868*y*z^4 + 167106*y^2*z^4 - 218962*y^3*z^4 + 171648*y^4*z^4 - 64832*y^5*z^4 - 27276*z^5 + 163056*y*z^5 - 317564*y^2*z^5 + 264126*y^3*z^5 - 80182*y^4*z^5 + 50208*z^6 - 191310*y*z^6 + 224582*y^2*z^6 - 82400*y^3*z^6 - 40296*z^7 + 91578*y*z^7 - 51282*y^2*z^7 + 11844*z^8 - 11844*y*z^8))/((-1 + y)*y*z^2* (-1 + y + z)^2*(y + z)^2) + (Pi*(28*y^4 - 112*y^5 + 168*y^6 - 112*y^7 + 28*y^8 - 82*y^3*z + 366*y^4*z - 674*y^5*z + 646*y^6*z - 324*y^7*z + 68*y^8*z - 149*y^2*z^2 + 1020*y^3*z^2 - 2167*y^4*z^2 + 1928*y^5*z^2 - 690*y^6*z^2 + 58*y^7*z^2 + 270*y*z^3 - 883*y^2*z^3 + 1195*y^3*z^3 - 1284*y^4*z^3 + 1552*y^5*z^3 - 850*y^6*z^3 + 156*z^4 - 2160*y*z^4 + 6804*y^2*z^4 - 9420*y^3*z^4 + 7062*y^4*z^4 - 2478*y^5*z^4 - 888*z^5 + 6012*y*z^5 - 12594*y^2*z^5 + 10998*y^3*z^5 - 3600*y^4*z^5 + 1728*z^6 - 7044*y*z^6 + 8748*y^2*z^6 - 3468*y^3*z^6 - 1416*z^7 + 3342*y*z^7 - 1926*y^2*z^7 + 420*z^8 - 420*y*z^8))/(18*(-1 + y)*y*z^2*(-1 + y + z)^2*(y + z)^2))* G[1, 0, y] + ((-2*Pi*(-3*y + 3*y^2 + 6*z + y*z + 6*y^2*z - 12*z^2 + 2*y*z^2 + 6*z^3))/(y*z) - ((I/12)*(39*y^3 - 39*y^4 + 216*y^2*z - 395*y^3*z + 222*y^4*z + 483*y*z^2 - 1117*y^2*z^2 + 722*y^3*z^2 + 222*z^3 - 1205*y*z^3 + 1000*y^2*z^3 - 444*z^4 + 722*y*z^4 + 222*z^5))/(y*z*(y + z)^2) + ((I/36)*Pi^2*(-28*y^3 + 84*y^4 - 84*y^5 + 28*y^6 + 28*y^3*z - 84*y^5*z + 56*y^6*z - 15*y*z^2 + 45*y^2*z^2 + 39*y^3*z^2 - 237*y^4*z^2 + 168*y^5*z^2 + 8*z^3 + 21*y*z^3 - 66*y^2*z^3 - 105*y^3*z^3 + 168*y^4*z^3 - 32*z^4 + 27*y*z^4 - 3*y^2*z^4 + 66*y^3*z^4 + 48*z^5 - 57*y*z^5 + 24*y^2*z^5 - 32*z^6 + 24*y*z^6 + 8*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[1, 1, y] + ((-6*Pi*y*(-1 + y + z)*(1 + 2*z))/z^2 - ((I/12)*(81*y^2 - 243*y^3 + 243*y^4 - 81*y^5 + 122*y*z - 610*y^2*z + 992*y^3*z - 642*y^4*z + 138*y^5*z + 8*z^2 - 294*y*z^2 + 717*y^2*z^2 - 623*y^3*z^2 + 192*y^4*z^2 - 24*z^3 + 230*y*z^3 - 230*y^2*z^3 - 36*y^3*z^3 + 24*z^4 - 66*y*z^4 + 42*y^2*z^4 - 8*z^5 + 8*y*z^5))/((-1 + y)*y*z^2*(-1 + y + z)))* G[0, 0, 0, y] + (-((Pi*(-1 + y + z)*(7*y^3 + 14*y^3*z + y*z^2 + 2* z^3 - 2*z^4))/(y^2*z^2)) + ((I/36)*(-16*y + 83*y^2 - 223*y^3 + 170*y^4 + 710*y^5 - 2089*y^6 + 2357*y^7 - 1252*y^8 + 260*y^9 - 16*z + 153*y*z - 486*y^2*z + 546*y^3*z + 732*y^4*z - 2481*y^5*z + 1470*y^6*z + 1464*y^7*z - 2028*y^8*z + 646*y^9*z + 70*z^2 - 479*y*z^2 + 1066*y^2*z^2 - 650*y^3*z^2 + 556*y^4*z^2 - 5585*y^5*z^2 + 12028*y^6*z^2 - 9878*y^7*z^2 + 2872*y^8*z^2 - 216*z^3 + 240*y*z^3 + 2388*y^2*z^3 - 6120*y^3*z^3 + 400*y^4*z^3 + 12556*y^5*z^3 - 13700*y^6*z^3 + 4452*y^7*z^3 - 282*z^4 + 5220*y*z^4 - 18561*y^2*z^4 + 25111*y^3*z^4 - 9882*y^4*z^4 - 4512*y^5*z^4 + 2906*y^6*z^4 + 2496*z^5 - 15999*y*z^5 + 35478*y^2*z^5 - 33028*y^3*z^5 + 11360*y^4*z^5 - 766*y^5*z^5 - 4338*z^6 + 18545*y*z^6 - 28336*y^2*z^6 + 17390*y^3*z^6 - 3720*y^4*z^6 + 3080*z^7 - 9228*y*z^7 + 9216*y^2*z^7 - 3068*y^3*z^7 - 794*z^8 + 1588*y*z^8 - 794*y^2*z^8))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[0, 0, 1, y] + (-1/3*(Pi*(-13*y^3 + 39*y^4 - 39*y^5 + 13*y^6 + 13* y^3*z - 39*y^5*z + 26*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 48*y^3* z^2 - 120*y^4*z^2 + 78*y^5*z^2 + 36*z^3 - 117*y*z^3 + 126*y^2* z^3 - 98*y^3*z^3 + 78*y^4*z^3 - 144*z^4 + 333*y*z^4 - 225*y^2* z^4 + 50*y^3*z^4 + 216*z^5 - 327*y*z^5 + 108*y^2*z^5 - 144* z^6 + 108*y*z^6 + 36*z^7))/(y^2*z^2*(-1 + y + z)^2) + ((I/36)*(24*y^2 - 81*y^3 + 114*y^4 - 58*y^5 - 128*y^6 + 303*y^7 - 242*y^8 + 68*y^9 + 48*y*z - 300*y^2*z + 609*y^3*z - 479*y^4*z + 183*y^5*z - 487*y^6*z + 974*y^7*z - 762*y^8*z + 214*y^9*z + 24*z^2 - 357*y*z^2 + 1104*y^2*z^2 - 1216*y^3*z^2 + 1356*y^4*z^2 - 3179*y^5*z^2 + 3952*y^6*z^2 - 2028*y^7*z^2 + 344*y^8*z^2 - 138*z^3 + 837*y*z^3 - 999*y^2*z^3 + 241*y^3*z^3 - 1603*y^4*z^3 + 2936*y^5*z^3 - 174*y^6*z^3 - 1100*y^7*z^3 + 228*z^4 - 738*y*z^4 - 366*y^2*z^4 + 2460*y^3*z^4 - 3392*y^4*z^4 + 4812*y^5*z^4 - 3220*y^6*z^4 - 228*z^5 + 660*y*z^5 + 888*y^2*z^5 - 5302*y^3*z^5 + 7344*y^4*z^5 - 3794*y^5*z^5 + 528*z^6 - 1722*y*z^6 - 182*y^2*z^6 + 3858*y^3*z^6 - 2698*y^4*z^6 - 936*z^7 + 2252*y*z^7 - 690*y^2*z^7 - 626*y^3*z^7 + 724*z^8 - 1194*y*z^8 + 470*y^2*z^8 - 202*z^9 + 202*y*z^9))/((-1 + y)*y^2*z^2* (-1 + y + z)^2*(y + z)^2))*G[0, 1, 0, y] + ((-2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + 16*z^3 - 16*z^4))/ (3*y^2*z^2) + ((I/36)*(8*y - 14*y^2 - 6*y^3 + 18*y^4 - 12*y^5 + 30*y^6 - 38*y^7 + 14*y^8 + 8*z - 74*y*z + 140*y^2*z - 348*y^3*z + 936*y^4*z - 1218*y^5*z + 748*y^6*z - 232*y^7*z + 40*y^8*z - 60*z^2 + 206*y*z^2 - 475*y^2*z^2 + 1118*y^3*z^2 - 844*y^4*z^2 - 676*y^5*z^2 + 971*y^6*z^2 - 240*y^7*z^2 + 96*z^3 - 823*y*z^3 + 3022*y^2*z^3 - 3786*y^3*z^3 + 1276*y^4*z^3 + 797*y^5*z^3 - 582*y^6*z^3 - 462*z^4 + 3746*y*z^4 - 9117*y^2*z^4 + 9482*y^3*z^4 - 4413*y^4*z^4 + 458*y^5*z^4 + 1290*z^5 - 6433*y*z^5 + 10568*y^2*z^5 - 7663*y^3*z^5 + 1932*y^4*z^5 - 1326*z^6 + 4278*y*z^6 - 4578*y^2*z^6 + 1626*y^3*z^6 + 454*z^7 - 908*y*z^7 + 454*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[0, 1, 1, y] + (-1/3*(Pi*y*(-13 + 39*y - 39*y^2 + 13*y^3 + 13*z - 39*y^2*z + 26*y^3*z + 39*z^2 - 117*y*z^2 + 78*y^2*z^2 - 53* z^3 + 78*y*z^3 + 14*z^4))/(z^2*(-1 + y + z)^2) + ((I/36)*(39*y^4 - 156*y^5 + 234*y^6 - 156*y^7 + 39*y^8 + 12*y^3*z + 237*y^4*z - 939*y^5*z + 1275*y^6*z - 741*y^7*z + 156*y^8*z + 81*y^2*z^2 + 246*y^3*z^2 - 1602*y^4*z^2 + 2208*y^5*z^2 - 999*y^6*z^2 + 66*y^7*z^2 + 702*y*z^3 - 3525*y^2*z^3 + 6873*y^3*z^3 - 7069*y^4*z^3 + 5311*y^5*z^3 - 2292*y^6*z^3 + 288*z^4 - 4776*y*z^4 + 16452*y^2*z^4 - 23654*y^3*z^4 + 17784*y^4*z^4 - 6286*y^5*z^4 - 1704*z^5 + 12534*y*z^5 - 27388*y^2*z^5 + 24666*y^3*z^5 - 8492*y^4*z^5 + 3384*z^6 - 14388*y*z^6 + 18340*y^2*z^6 - 7528*y^3*z^6 - 2808*z^7 + 6768*y*z^7 - 3960*y^2*z^7 + 840*z^8 - 840*y*z^8))/ ((-1 + y)*y*z^2*(-1 + y + z)^2*(y + z)^2))*G[1, 0, 0, y] + (-1/3*(Pi*(-13*y^3 + 39*y^4 - 39*y^5 + 13*y^6 + 13*y^3*z - 39*y^5* z + 26*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 48*y^3*z^2 - 120*y^4* z^2 + 78*y^5*z^2 - 6*z^3 + 9*y*z^3 - 60*y^3*z^3 + 78*y^4* z^3 + 24*z^4 - 45*y*z^4 + 27*y^2*z^4 + 12*y^3*z^4 - 36*z^5 + 51*y*z^5 - 18*y^2*z^5 + 24*z^6 - 18*y*z^6 - 6*z^7))/ (y^2*z^2*(-1 + y + z)^2) + ((I/36)*(-12*y + 36*y^2 - 66*y^3 + 120*y^4 - 30*y^5 - 348*y^6 + 594*y^7 - 384*y^8 + 90*y^9 - 12*z + 138*y*z - 402*y^2*z + 636*y^3*z - 786*y^4*z + 924*y^5*z - 1206*y^6*z + 1404*y^7*z - 954*y^8*z + 258*y^9*z + 102*z^2 - 552*y*z^2 + 1443*y^2*z^2 - 2883*y^3*z^2 + 4716*y^4*z^2 - 6060*y^5*z^2 + 5805*y^6*z^2 - 3489*y^7*z^2 + 918*y^8*z^2 - 180*z^3 + 1687*y*z^3 - 7352*y^2*z^3 + 15928*y^3*z^3 - 19414*y^4*z^3 + 14795*y^5*z^3 - 7162*y^6*z^3 + 1698*y^7*z^3 + 676*z^4 - 7449*y*z^4 + 25656*y^2*z^4 - 40394*y^3*z^4 + 33660*y^4*z^4 - 14799*y^5*z^4 + 2650*y^6*z^4 - 2500*z^5 + 17300*y*z^5 - 40894*y^2*z^5 + 44860*y^3*z^5 - 23630*y^4*z^5 + 4558*y^5*z^5 + 3972*z^6 - 18434*y*z^6 + 30034*y^2*z^6 - 21320*y^3*z^6 + 5442*y^4*z^6 - 2780*z^7 + 8778*y*z^7 - 9216*y^2*z^7 + 3218*y^3*z^7 + 722*z^8 - 1444*y*z^8 + 722*y^2*z^8))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2* (y + z)))*G[1, 0, 1, y] + (-1/3*(Pi*(-10*y^3 + 30*y^4 - 30*y^5 + 10*y^6 + 10*y^3*z - 30*y^5* z + 20*y^6*z - 3*y*z^2 + 9*y^2*z^2 + 21*y^3*z^2 - 87*y^4* z^2 + 60*y^5*z^2 - 44*z^3 + 141*y*z^3 - 150*y^2*z^3 - y^3* z^3 + 60*y^4*z^3 + 176*z^4 - 405*y*z^4 + 273*y^2*z^4 - 20*y^3* z^4 - 264*z^5 + 399*y*z^5 - 132*y^2*z^5 + 176*z^6 - 132*y* z^6 - 44*z^7))/(y^2*z^2*(-1 + y + z)^2) + ((I/18)*(-6*y + 15*y^2 - 9*y^3 + 95*y^4 - 380*y^5 + 561*y^6 - 365*y^7 + 89*y^8 - 6*z + 57*y*z - 105*y^2*z + 152*y^3*z - 511*y^4*z + 734*y^5*z - 110*y^6*z - 419*y^7*z + 208*y^8*z + 42*z^2 - 150*y*z^2 + 123*y^2*z^2 - 344*y^3*z^2 + 341*y^4*z^2 + 1365*y^5*z^2 - 2386*y^6*z^2 + 1009*y^7*z^2 - 54*z^3 + 145*y*z^3 - 493*y^2*z^3 + 828*y^3*z^3 + 782*y^4*z^3 - 3026*y^5*z^3 + 1818*y^6*z^3 + 49*z^4 - 560*y*z^4 + 1783*y^2*z^4 - 1423*y^3*z^4 - 991*y^4*z^4 + 1178*y^5*z^4 - 310*z^5 + 1789*y*z^5 - 2727*y^2*z^5 + 1135*y^3*z^5 + 149*y^4*z^5 + 666*z^6 - 2166*y*z^6 + 1857*y^2*z^6 - 357*y^3*z^6 - 534*z^7 + 1026*y*z^7 - 492*y^2*z^7 + 147*z^8 - 147*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[1, 1, 0, y] - ((I/3)*(-17*y + 17*y^2 + 34*z + 3*y*z + 34*y^2*z - 68*z^2 + 14*y*z^2 + 34*z^3)*G[1, 1, 1, y])/(y*z) - (((17*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[0, 0, 0, 0, y])/z^2 + ((I/6)*(-12*y^3 + 36*y^4 - 36*y^5 + 12*y^6 + 12*y^3*z - 36*y^5*z + 24*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 60*y^3*z^2 - 114*y^4*z^2 + 72*y^5*z^2 + 86*z^3 - 285*y*z^3 + 312*y^2*z^3 - 202*y^3*z^3 + 72*y^4*z^3 - 344*z^4 + 801*y*z^4 - 543*y^2*z^4 + 142*y^3*z^4 + 516*z^5 - 783*y*z^5 + 258*y^2*z^5 - 344*z^6 + 258*y*z^6 + 86*z^7)* G[0, 0, 0, 1, y])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 30*y^3*z^2 - 48*y^4*z^2 + 30*y^5*z^2 + 58*z^3 - 192*y*z^3 + 210*y^2*z^3 - 92*y^3*z^3 + 30*y^4*z^3 - 232*z^4 + 540*y*z^4 - 366*y^2*z^4 + 62*y^3*z^4 + 348*z^5 - 528*y*z^5 + 174*y^2*z^5 - 232*z^6 + 174*y*z^6 + 58*z^7)* G[0, 0, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(20*y^3 + 40*y^3*z + 3*y*z^2 + 2*z^3 - 2*z^4)* G[0, 0, 1, 1, y])/(y^2*z^2) - ((I/3)*(-23*y^3 + 69*y^4 - 69*y^5 + 23*y^6 + 23*y^3*z - 69*y^5*z + 46*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 78*y^3*z^2 - 210*y^4*z^2 + 138*y^5*z^2 + 38*z^3 - 123*y*z^3 + 132*y^2*z^3 - 150*y^3*z^3 + 138*y^4*z^3 - 152*z^4 + 351*y*z^4 - 237*y^2*z^4 + 72*y^3*z^4 + 228*z^5 - 345*y*z^5 + 114*y^2*z^5 - 152*z^6 + 114*y*z^6 + 38*z^7)*G[0, 1, 0, 0, y])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 + 18*y^3*z - 54*y^5*z + 36*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 69*y^3*z^2 - 165*y^4*z^2 + 108*y^5*z^2 + 68*z^3 - 222*y*z^3 + 240*y^2*z^3 - 181*y^3*z^3 + 108*y^4*z^3 - 272*z^4 + 630*y*z^4 - 426*y^2*z^4 + 112*y^3*z^4 + 408*z^5 - 618*y*z^5 + 204*y^2*z^5 - 272*z^6 + 204*y*z^6 + 68*z^7)*G[0, 1, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-29*y^3 + 87*y^4 - 87*y^5 + 29*y^6 + 29*y^3*z - 87*y^5*z + 58*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 93*y^3*z^2 - 261*y^4*z^2 + 174*y^5*z^2 + 132*z^3 - 405*y*z^3 + 414*y^2*z^3 - 297*y^3*z^3 + 174*y^4*z^3 - 528*z^4 + 1197*y*z^4 - 801*y^2*z^4 + 204*y^3*z^4 + 792*z^5 - 1191*y*z^5 + 396*y^2*z^5 - 528*z^6 + 396*y*z^6 + 132*z^7)*G[0, 1, 1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 32*z^3 - 32*z^4)*G[0, 1, 1, 1, y])/(y^2*z^2) - (((5*I)/6)*y*(-7 + 21*y - 21*y^2 + 7*y^3 + 7*z - 21*y^2*z + 14*y^3*z + 21*z^2 - 63*y*z^2 + 42*y^2*z^2 - 31*z^3 + 42*y*z^3 + 10*z^4)*G[1, 0, 0, 0, y])/(z^2*(-1 + y + z)^2) + ((I/6)*(-15*y^3 + 45*y^4 - 45*y^5 + 15*y^6 + 15*y^3*z - 45*y^5*z + 30*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 72*y^3*z^2 - 144*y^4*z^2 + 90*y^5*z^2 + 26*z^3 - 105*y*z^3 + 132*y^2*z^3 - 142*y^3*z^3 + 90*y^4*z^3 - 104*z^4 + 261*y*z^4 - 183*y^2*z^4 + 70*y^3*z^4 + 156*z^5 - 243*y*z^5 + 78*y^2*z^5 - 104*z^6 + 78*y*z^6 + 26*z^7)* G[1, 0, 0, 1, y])/(y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-7*y^3 + 21*y^4 - 21*y^5 + 7*y^6 + 7*y^3*z - 21*y^5*z + 14*y^6*z - 3*y*z^2 + 9*y^2*z^2 + 12*y^3*z^2 - 60*y^4*z^2 + 42*y^5*z^2 + 4*z^3 - 3*y*z^3 - 6*y^2*z^3 - 27*y^3*z^3 + 42*y^4*z^3 - 16*z^4 + 27*y*z^4 - 15*y^2*z^4 + 15*y^3*z^4 + 24*z^5 - 33*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7)* G[1, 0, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-22*y^3 + 66*y^4 - 66*y^5 + 22*y^6 + 22*y^3*z - 66*y^5*z + 44*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 93*y^3*z^2 - 207*y^4*z^2 + 132*y^5*z^2 - 2*z^3 - 21*y*z^3 + 48*y^2*z^3 - 119*y^3*z^3 + 132*y^4*z^3 + 8*z^4 + 9*y*z^4 - 15*y^2*z^4 + 26*y^3*z^4 - 12*z^5 + 9*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7)* G[1, 0, 1, 1, y])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 18*y^3*z^2 - 30*y^4*z^2 + 18*y^5*z^2 + 50*z^3 - 159*y*z^3 + 168*y^2*z^3 - 64*y^3*z^3 + 18*y^4*z^3 - 200*z^4 + 459*y*z^4 - 309*y^2*z^4 + 46*y^3*z^4 + 300*z^5 - 453*y*z^5 + 150*y^2*z^5 - 200*z^6 + 150*y*z^6 + 50*z^7)* G[1, 1, 0, 0, y])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-26*y^3 + 78*y^4 - 78*y^5 + 26*y^6 + 26*y^3*z - 78*y^5*z + 52*y^6*z - 9*y*z^2 + 27*y^2*z^2 + 51*y^3*z^2 - 225*y^4*z^2 + 156*y^5*z^2 - 10*z^3 + 57*y*z^3 - 84*y^2*z^3 - 103*y^3*z^3 + 156*y^4*z^3 + 40*z^4 - 117*y*z^4 + 87*y^2*z^4 + 52*y^3*z^4 - 60*z^5 + 99*y*z^5 - 30*y^2*z^5 + 40*z^6 - 30*y*z^6 - 10*z^7)* G[1, 1, 0, 1, y])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 39*y^3*z^2 - 3*y^4*z^2 + 12*y^5*z^2 - 20*z^3 + 105*y*z^3 - 150*y^2*z^3 + 63*y^3*z^3 + 12*y^4*z^3 + 80*z^4 - 225*y*z^4 + 165*y^2*z^4 - 24*y^3*z^4 - 120*z^5 + 195*y*z^5 - 60*y^2*z^5 + 80*z^6 - 60*y*z^6 - 20*z^7)* G[1, 1, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) + (-1/3*(Pi*(-22*y^3 + 66*y^4 - 66*y^5 + 22*y^6 + 22*y^3*z - 66*y^5* z + 44*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 93*y^3*z^2 - 207*y^4* z^2 + 132*y^5*z^2 + 44*z^3 - 159*y*z^3 + 186*y^2*z^3 - 173* y^3*z^3 + 132*y^4*z^3 - 176*z^4 + 423*y*z^4 - 291*y^2*z^4 + 80*y^3*z^4 + 264*z^5 - 405*y*z^5 + 132*y^2*z^5 - 176*z^6 + 132* y*z^6 + 44*z^7))/(y^2*z^2*(-1 + y + z)^2) + ((I/36)*(4*y^2 - 35*y^3 - 5*y^4 + 259*y^5 - 275*y^6 - 389*y^7 + 925*y^8 - 635*y^9 + 151*y^10 + 8*y*z - 56*y^2*z + 37*y^3*z + 124*y^4*z + 769*y^5*z - 3110*y^6*z + 3439*y^7*z - 704*y^8*z - 941*y^9*z + 434*y^10*z + 4*z^2 - 7*y*z^2 + 17*y^2*z^2 + 293*y^3*z^2 - 1615*y^4*z^2 + 5423*y^5*z^2 - 13063*y^6*z^2 + 18101*y^7*z^2 - 12487*y^8*z^2 + 3334*y^9*z^2 + 14*z^3 + 119*y*z^3 + 924*y^2*z^3 - 11061*y^3*z^3 + 38322*y^4*z^3 - 71259*y^5*z^3 + 77424*y^6*z^3 - 45543*y^7*z^3 + 11060*y^8*z^3 + 144*z^4 - 172*y*z^4 - 11348*y^2*z^4 + 57199*y^3*z^4 - 123287*y^4*z^4 + 143014*y^5*z^4 - 86444*y^6*z^4 + 20894*y^7*z^4 - 362*z^5 - 3970*y*z^5 + 38210*y^2*z^5 - 108253*y^3*z^5 + 147644*y^4*z^5 - 99502*y^5*z^5 + 25468*y^6*z^5 - 412*z^6 + 12557*y*z^6 - 53145*y^2*z^6 + 91116*y^3*z^6 - 72540*y^4*z^6 + 20894*y^5*z^6 + 1674*z^7 - 13993*y*z^7 + 33124*y^2*z^7 - 32630*y^3*z^7 + 11060*y^4*z^7 - 1496*z^8 + 6326*y*z^8 - 8164*y^2*z^8 + 3334*y^3*z^8 + 434*z^9 - 868*y*z^9 + 434*y^2*z^9))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2* (y + z)^2))*Zeta[3]) + G[0, z]* ((((-1417*I)/1080)*Pi^4*y*(-1 + z)*z)/(-1 + y + z)^2 - (Pi*(2 - 297*y + 297*y^2 + 1165*z - 366*y*z + 663*y^2*z - 2334*z^2 + 663*y*z^2 + 1167*z^3))/(18*y*(-1 + y + z)) + ((I/216)*(76 - 6563*y + 6563*y^2 + 44686*z - 30791*y*z + 37354*y^2*z - 89524*z^2 + 37354*y*z^2 + 44762*z^3))/ (y*(-1 + y + z)) - (Pi^3*(66*y^2 - 264*y^3 + 396*y^4 - 264*y^5 + 66*y^6 - 144*y*z + 597*y^2*z - 1059*y^3*z + 1035*y^4*z - 561*y^5*z + 132*y^6*z - 420*z^2 + 2466*y*z^2 - 5851*y^2*z^2 + 7016*y^3*z^2 - 4243*y^4*z^2 + 1032*y^5*z^2 + 1260*z^3 - 5340*y*z^3 + 9037*y^2*z^3 - 6707*y^3*z^3 + 1750*y^4*z^3 - 1260*z^4 + 3858*y*z^4 - 4269*y^2*z^4 + 1518*y^3*z^4 + 420*z^5 - 840*y*z^5 + 420*y^2*z^5))/(108*(-1 + y)^2*y*z*(-1 + y + z)^2) + ((I/1296)*Pi^2*(72*y - 180*y^2 + 1590*y^3 - 5958*y^4 + 9102*y^5 - 6222*y^6 + 1596*y^7 + 72*z - 612*y*z - 4026*y^2*z + 21840*y^3*z - 39762*y^4*z + 36324*y^5*z - 17424*y^6*z + 3588*y^7*z - 432*z^2 - 5850*y*z^2 + 61476*y^2*z^2 - 164104*y^3*z^2 + 195200*y^4*z^2 - 112150*y^5*z^2 + 25860*y^6*z^2 - 1152*z^3 + 40902*y*z^3 - 176662*y^2*z^3 + 298035*y^3*z^3 - 213699*y^4*z^3 + 52576*y^5*z^3 + 5388*z^4 - 66480*y*z^4 + 179521*y^2*z^4 - 178400*y^3*z^4 + 57244*y^4*z^4 - 5976*z^5 + 36240*y*z^5 - 62031*y^2*z^5 + 29040*y^3*z^5 + 2100*z^6 - 4200*y*z^6 + 2100*y^2*z^6))/((-1 + y)^2*y*z*(-1 + y + z)^2*(y + z)) + ((((-16*I)/3)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 - (Pi*(-18*y^2 + 54*y^3 - 54*y^4 + 18*y^5 - 48*y*z + 117*y^2*z - 54*y^3*z - 51*y^4*z + 36*y^5*z - 8*z^2 + 118*y*z^2 - 181*y^2*z^2 - 31*y^3*z^2 + 102*y^4*z^2 + 24*z^3 - 100*y*z^3 + 96*y^2*z^3 - 24*z^4 + 38*y*z^4 - 14*y^2*z^4 + 8*z^5 - 8*y*z^5))/ (6*(-1 + y)*y*z*(-1 + y + z)^2) + ((I/108)*(-36*y + 135*y^2 - 927*y^3 + 2229*y^4 - 2061*y^5 + 660*y^6 - 36*z + 207*y*z - 2637*y^2*z + 5838*y^3*z - 2781*y^4*z - 2073*y^5*z + 1482*y^6*z + 72*z^2 - 3264*y*z^2 + 12657*y^2*z^2 - 16918*y^3*z^2 + 3274*y^4*z^2 + 4179*y^5*z^2 - 636*z^3 + 9858*y*z^3 - 25525*y^2*z^3 + 20186*y^3*z^3 - 4447*y^4*z^3 + 1728*z^4 - 11019*y*z^4 + 18469*y^2*z^4 - 9742*y^3*z^4 - 1692*z^5 + 4854*y*z^5 - 3162*y^2*z^5 + 564*z^6 - 564*y*z^6))/((-1 + y)*y*z*(-1 + y + z)^2*(y + z)))*G[0, 0, y] + (((-1/9*I)*Pi^2*(-1 + z)*z*(-46 + 138*y - 138*y^2 + 47*y^3 + 138*z - 276*y*z + 138*y^2*z - 138*z^2 + 138*y*z^2 + 46*z^3))/ (y^2*(-1 + y + z)^2) - (Pi*(12*y^2 + 18*y^3 - 192*y^4 + 348*y^5 - 252*y^6 + 66*y^7 - 42*y*z + 162*y^2*z - 273*y^3*z + 135*y^4*z + 243*y^5*z - 357*y^6*z + 132*y^7*z - 324*z^2 + 1656*y*z^2 - 3288*y^2*z^2 + 2717*y^3*z^2 - 334*y^4*z^2 - 667*y^5*z^2 + 240*y^6*z^2 + 1284*z^3 - 5364*y*z^3 + 8514*y^2*z^3 - 5519*y^3*z^3 + 919*y^4*z^3 + 166*y^5*z^3 - 1920*z^4 + 6564*y*z^4 - 8136*y^2*z^4 + 3927*y^3*z^4 - 588*y^4*z^4 + 1280*z^5 - 3454*y*z^5 + 3068*y^2*z^5 - 894*y^3*z^5 - 320*z^6 + 640*y*z^6 - 320*y^2*z^6))/(18*(-1 + y)^2*y^2*z* (-1 + y + z)^2) + ((I/216)*(24*y - 12*y^2 + 624*y^3 - 1206*y^4 - 1890*y^5 + 6414*y^6 - 5550*y^7 + 1596*y^8 + 24*z - 204*y*z - 570*y^2*z + 5388*y^3*z - 14658*y^4*z + 16332*y^5*z - 2748*y^6*z - 7152*y^7*z + 3588*y^8*z - 192*z^2 - 13416*y*z^2 + 70614*y^2*z^2 - 142230*y^3*z^2 + 123224*y^4*z^2 - 20920*y^5*z^2 - 30142*y^6*z^2 + 13062*y^7*z^2 - 14382*z^3 + 126612*y*z^3 - 370986*y^2*z^3 + 488618*y^3*z^3 - 276561*y^4*z^3 + 32517*y^5*z^3 + 14182*y^6*z^3 + 58272*z^4 - 326862*y*z^4 + 674370*y^2*z^4 - 623525*y^3*z^4 + 239704*y^4*z^4 - 24686*y^5*z^4 - 87498*z^5 + 357430*y*z^5 - 528866*y^2*z^5 + 327037*y^3*z^5 - 70830*y^4*z^5 + 58372*z^6 - 172776*y*z^6 + 170436*y^2*z^6 - 56032*y^3*z^6 - 14596*z^7 + 29192*y*z^7 - 14596*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)))*G[0, 1, y] + (((I/18)*Pi^2*(-1 + z)*z*(-41 + 123*y - 123*y^2 + 95*y^3 + 123*z - 246*y*z + 123*y^2*z - 123*z^2 + 123*y*z^2 + 41*z^3))/ (y^2*(-1 + y + z)^2) + (Pi*(-78*y^4 + 222*y^5 - 210*y^6 + 66*y^7 - 135*y^3*z + 495*y^4*z - 387*y^5*z - 105*y^6*z + 132*y^7*z + 274*y^2*z^2 - 729*y^3*z^2 + 1284*y^4*z^2 - 1243*y^5*z^2 + 684*y^6*z^2 + 254*y*z^3 - 2068*y^2*z^3 + 4623*y^3*z^3 - 4079*y^4*z^3 + 1498*y^5*z^3 + 76*z^4 - 1358*y*z^4 + 5328*y^2*z^4 - 6721*y^3*z^4 + 2438*y^4*z^4 - 292*z^5 + 2598*y*z^5 - 5544*y^2*z^5 + 2938*y^3*z^5 + 432*z^6 - 2118*y*z^6 + 1998*y^2*z^6 - 288*z^7 + 624*y*z^7 + 72*z^8))/ (18*y^2*z*(-1 + y + z)^2*(y + z)^2) - ((I/216)*(72*y^2 - 306*y^3 + 3024*y^4 - 9420*y^5 + 12252*y^6 - 7218*y^7 + 1596*y^8 + 144*y*z - 900*y^2*z + 6372*y^3*z - 20478*y^4*z + 22932*y^5*z - 2874*y^6*z - 8784*y^7*z + 3588*y^8*z + 72*z^2 - 882*y*z^2 - 2788*y^2*z^2 + 16492*y^3*z^2 - 45456*y^4*z^2 + 61804*y^5*z^2 - 44884*y^6*z^2 + 15642*y^7*z^2 - 288*z^3 - 4523*y*z^3 + 51546*y^2*z^3 - 157288*y^3*z^3 + 198254*y^4*z^3 - 113073*y^5*z^3 + 23212*y^6*z^3 - 1114*z^4 + 32115*y*z^4 - 158429*y^2*z^4 + 281695*y^3*z^4 - 194991*y^4*z^4 + 36404*y^5*z^4 + 5392*z^5 - 65455*y*z^5 + 192398*y^2*z^5 - 193815*y^3*z^5 + 59320*y^4*z^5 - 8178*z^6 + 56989*y*z^6 - 95781*y^2*z^6 + 46970*y^3*z^6 + 5492*z^7 - 19764*y*z^7 + 14272*y^2*z^7 - 1376*z^8 + 1376*y*z^8))/((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))* G[1, 0, y] + (((I/18)*Pi^2*(-1 + z)*z*(-90 + 270*y - 270*y^2 + 71*y^3 + 270*z - 540*y*z + 270*y^2*z - 270*z^2 + 270*y*z^2 + 90*z^3))/(y^2*(-1 + y + z)^2) + (Pi*(18*y^3 - 36*y^4 + 18*y^5 + 45*y^2*z - 42*y^3*z - 39*y^4*z + 36*y^5*z + 107*y*z^2 - 248*y^2*z^2 + 41*y^3*z^2 + 78*y^4*z^2 + 60*z^3 - 422*y*z^3 + 441*y^2*z^3 - 48*y^3*z^3 - 180*z^4 + 523*y*z^4 - 238*y^2*z^4 + 180*z^5 - 208*y*z^5 - 60*z^6))/ (6*y^2*z*(-1 + y + z)*(y + z)) - ((I/108)*(-24*y + 18*y^2 - 579*y^3 + 1824*y^4 - 1899*y^5 + 660*y^6 - 24*z + 186*y*z - 2046*y^2*z + 3672*y^3*z - 411*y^4*z - 2859*y^5*z + 1482*y^6*z + 168*z^2 - 7642*y*z^2 + 23409*y^2*z^2 - 20622*y^3*z^2 - 26*y^4*z^2 + 4713*y^5*z^2 - 6739*z^3 + 41520*y*z^3 - 70039*y^2*z^3 + 39288*y^3*z^3 - 3112*y^4*z^3 + 19395*z^4 - 67054*y*z^4 + 68773*y^2*z^4 - 20196*y^3*z^4 - 19125*z^5 + 39303*y*z^5 - 20178*y^2*z^5 + 6325*z^6 - 6325*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)*(y + z)))* G[1, 1, y] + ((12*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 - ((I/12)*(-62*y^2 + 186*y^3 - 186*y^4 + 62*y^5 - 96*y*z + 247*y^2*z - 82*y^3*z - 193*y^4*z + 124*y^5*z - 8*z^2 + 190*y*z^2 - 217*y^2*z^2 - 323*y^3*z^2 + 358*y^4*z^2 + 24*z^3 - 100*y*z^3 + 22*y^2*z^3 + 114*y^3*z^3 - 24*z^4 + 14*y*z^4 + 10*y^2*z^4 + 8*z^5 - 8*y*z^5))/((-1 + y)*y*z*(-1 + y + z)^2))* G[0, 0, 0, y] + ((2*Pi*(-1 + z)*z*(6 - 18*y + 18*y^2 + 7*y^3 - 18*z + 36*y*z - 18*y^2*z + 18*z^2 - 18*y*z^2 - 6*z^3))/ (3*y^2*(-1 + y + z)^2) + ((I/36)*(60*y^2 - 162*y^3 + 48*y^4 + 228*y^5 - 252*y^6 + 78*y^7 - 84*y*z + 288*y^2*z - 501*y^3*z + 459*y^4*z + 9*y^5*z - 327*y^6*z + 156*y^7*z - 822*z^2 + 4146*y*z^2 - 8208*y^2*z^2 + 8199*y^3*z^2 - 4128*y^4*z^2 + 693*y^5*z^2 + 120*y^6*z^2 + 3300*z^3 - 13791*y*z^3 + 22053*y^2*z^3 - 16212*y^3*z^3 + 5292*y^4*z^3 - 642*y^5*z^3 - 4992*z^4 + 17133*y*z^4 - 21366*y^2*z^4 + 10968*y^3*z^4 - 1896*y^4*z^4 + 3356*z^5 - 9076*y*z^5 + 8084*y^2*z^5 - 2364*y^3*z^5 - 842*z^6 + 1684*y*z^6 - 842*y^2*z^6))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2))*G[0, 0, 1, y] + ((-2*Pi*(-1 + z)*z*(-9 + 27*y - 27*y^2 + 19*y^3 + 27*z - 54*y*z + 27*y^2*z - 27*z^2 + 27*y*z^2 + 9*z^3))/(3*y^2*(-1 + y + z)^2) + ((I/18)*(-78*y^4 + 216*y^5 - 180*y^6 + 24*y^7 + 18*y^8 - 126*y^3*z + 300*y^4*z - 3*y^5*z - 354*y^6*z + 147*y^7*z + 36*y^8*z + 117*y^2*z^2 - 285*y^3*z^2 + 537*y^4*z^2 - 928*y^5*z^2 + 289*y^6*z^2 + 270*y^7*z^2 - 87*y*z^3 + 378*y^2*z^3 - 1137*y^3*z^3 + 1276*y^4*z^3 - 1026*y^5*z^3 + 668*y^6*z^3 - 99*z^4 + 912*y*z^4 - 3084*y^2*z^4 + 5063*y^3*z^4 - 3969*y^4*z^4 + 1321*y^5*z^4 + 318*z^5 - 1953*y*z^5 + 4678*y^2*z^5 - 4791*y^3*z^5 + 1820*y^4*z^5 - 366*z^6 + 1619*y*z^6 - 2499*y^2*z^6 + 1246*y^3*z^6 + 178*z^7 - 522*y*z^7 + 344*y^2*z^7 - 31*z^8 + 31*y*z^8))/ ((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[0, 1, 0, y] + ((4*Pi*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 8*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3))/(3*y^2*(-1 + y + z)^2) - ((I/36)*(-108*y^3 + 696*y^4 - 1704*y^5 + 2016*y^6 - 1164*y^7 + 264*y^8 - 126*y^2*z + 822*y^3*z - 1854*y^4*z + 1362*y^5*z + 708*y^6*z - 1440*y^7*z + 528*y^8*z - 630*y*z^2 + 3222*y^2*z^2 - 5964*y^3*z^2 + 2926*y^4*z^2 + 3898*y^5*z^2 - 5048*y^6*z^2 + 1596*y^7*z^2 - 492*z^3 + 4788*y*z^3 - 14313*y^2*z^3 + 17569*y^3*z^3 - 6387*y^4*z^3 - 2895*y^5*z^3 + 1730*y^6*z^3 + 1932*z^4 - 11481*y*z^4 + 24156*y^2*z^4 - 21379*y^3*z^4 + 6662*y^4*z^4 - 196*y^5*z^4 - 2862*z^5 + 12063*y*z^5 - 18192*y^2*z^5 + 10977*y^3*z^5 - 2292*y^4*z^5 + 1896*z^6 - 5700*y*z^6 + 5712*y^2*z^6 - 1908*y^3*z^6 - 474*z^7 + 948*y*z^7 - 474*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)))*G[0, 1, 1, y] + ((-4*Pi*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 8*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3))/(3*y^2*(-1 + y + z)^2) + ((I/36)*(156*y^4 - 732*y^5 + 1260*y^6 - 948*y^7 + 264*y^8 + 270*y^3*z - 1524*y^4*z + 2622*y^5*z - 1224*y^6*z - 672*y^7*z + 528*y^8*z - 464*y^2*z^2 + 1604*y^3*z^2 - 3234*y^4*z^2 + 5438*y^5*z^2 - 5972*y^6*z^2 + 2628*y^7*z^2 - 340*y*z^3 + 3708*y^2*z^3 - 11627*y^3*z^3 + 17458*y^4*z^3 - 14421*y^5*z^3 + 5342*y^6*z^3 - 68*z^4 + 1806*y*z^4 - 10126*y^2*z^4 + 20843*y^3*z^4 - 18843*y^4*z^4 + 6628*y^5*z^4 + 188*z^5 - 3299*y*z^5 + 11600*y^2*z^5 - 14107*y^3*z^5 + 5738*y^4*z^5 - 204*z^6 + 2605*y*z^6 - 5409*y^2*z^6 + 3008*y^3*z^6 + 104*z^7 - 780*y*z^7 + 676*y^2*z^7 - 20*z^8 + 20*y*z^8))/ ((-1 + y)*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[1, 0, 0, y] + ((2*Pi*(-1 + z)*z*(-10 + 30*y - 30*y^2 + 19*y^3 + 30*z - 60*y*z + 30*y^2*z - 30*z^2 + 30*y*z^2 + 10*z^3))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(-96*y^3 + 402*y^4 - 648*y^5 + 492*y^6 - 168*y^7 + 18*y^8 - 111*y^2*z + 483*y^3*z - 600*y^4*z - 24*y^5*z + 507*y^6*z - 291*y^7*z + 36*y^8*z - 445*y*z^2 + 2246*y^2*z^2 - 3733*y^3*z^2 + 2182*y^4*z^2 + 94*y^5*z^2 - 362*y^6*z^2 + 18*y^7*z^2 - 358*z^3 + 3411*y*z^3 - 9696*y^2*z^3 + 11741*y^3*z^3 - 6849*y^4*z^3 + 1965*y^5*z^3 - 214*y^6*z^3 + 1390*z^4 - 8015*y*z^4 + 16012*y^2*z^4 - 14713*y^3*z^4 + 6446*y^4*z^4 - 967*y^5*z^4 - 2028*z^5 + 8291*y*z^5 - 12013*y^2*z^5 + 7598*y^3*z^5 - 1695*y^4*z^5 + 1322*z^6 - 3894*y*z^6 + 3822*y^2*z^6 - 1250*y^3*z^6 - 326*z^7 + 652*y*z^7 - 326*y^2*z^7))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)))*G[1, 0, 1, y] + ((-2*Pi*(-1 + z)*z*(-13 + 39*y - 39*y^2 + 7*y^3 + 39*z - 78*y*z + 39*y^2*z - 39*z^2 + 39*y*z^2 + 13*z^3))/ (3*y^2*(-1 + y + z)^2) - ((I/36)*(-138*y^4 + 354*y^5 - 294*y^6 + 78*y^7 - 207*y^3*z + 711*y^4*z - 441*y^5*z - 219*y^6*z + 156*y^7*z - 144*y^2*z^2 + 321*y^3*z^2 + 1068*y^4*z^2 - 1539*y^5*z^2 + 972*y^6*z^2 - 582*y*z^3 + 1488*y^2*z^3 + 1338*y^3*z^3 - 3762*y^4*z^3 + 1914*y^5*z^3 - 354*z^4 + 2808*y*z^4 - 2556*y^2*z^4 - 3384*y^3*z^4 + 2346*y^4*z^4 + 1284*z^5 - 4413*y*z^5 + 961*y^2*z^5 + 1860*y^3*z^5 - 1734*z^6 + 2861*y*z^6 + 182*y^2*z^6 + 1036*z^7 - 662*y*z^7 - 232*z^8))/ (y^2*z*(-1 + y + z)^2*(y + z)^2))*G[1, 1, 0, y] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/12)*(62*y^3 - 124*y^4 + 62*y^5 + 103*y^2*z - 110*y^3*z - 117*y^4*z + 124*y^5*z + 239*y*z^2 - 548*y^2*z^2 + 21*y^3*z^2 + 262*y^4*z^2 + 138*z^3 - 976*y*z^3 + 1021*y^2*z^3 - 78*y^3*z^3 - 414*z^4 + 1235*y*z^4 - 576*y^2*z^4 + 414*z^5 - 498*y*z^5 - 138*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1, 1, 1, y] + (((34*I)/3)*y*(-1 + z)*z*G[0, 0, 0, 0, y])/(-1 + y + z)^2 - (((2*I)/3)*(-1 + z)*z*(6 - 18*y + 18*y^2 + 7*y^3 - 18*z + 36*y*z - 18*y^2*z + 18*z^2 - 18*y*z^2 - 6*z^3)*G[0, 0, 0, 1, y])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-31 + 93*y - 93*y^2 + 11*y^3 + 93*z - 186*y*z + 93*y^2*z - 93*z^2 + 93*y*z^2 + 31*z^3)* G[0, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(9 - 27*y + 27*y^2 + 5*y^3 - 27*z + 54*y*z - 27*y^2*z + 27*z^2 - 27*y*z^2 - 9*z^3)*G[0, 0, 1, 1, y])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-9 + 27*y - 27*y^2 + 20*y^3 + 27*z - 54*y*z + 27*y^2*z - 27*z^2 + 27*y*z^2 + 9*z^3)* G[0, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(16 - 48*y + 48*y^2 + 39*y^3 - 48*z + 96*y*z - 48*y^2*z + 48*z^2 - 48*y*z^2 - 16*z^3)*G[0, 1, 0, 1, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-11 + 33*y - 33*y^2 + 19*y^3 + 33*z - 66*y*z + 33*y^2*z - 33*z^2 + 33*y*z^2 + 11*z^3)* G[0, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-15 + 45*y - 45*y^2 + 16*y^3 + 45*z - 90*y*z + 45*y^2*z - 45*z^2 + 45*y*z^2 + 15*z^3)*G[0, 1, 1, 1, y])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 16*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3)* G[1, 0, 0, 0, y])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-8 + 24*y - 24*y^2 + 19*y^3 + 24*z - 48*y*z + 24*y^2*z - 24*z^2 + 24*y*z^2 + 8*z^3)*G[1, 0, 0, 1, y])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-55 + 165*y - 165*y^2 + 39*y^3 + 165*z - 330*y*z + 165*y^2*z - 165*z^2 + 165*y*z^2 + 55*z^3)*G[1, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-11 + 33*y - 33*y^2 + 20*y^3 + 33*z - 66*y*z + 33*y^2*z - 33*z^2 + 33*y*z^2 + 11*z^3)*G[1, 0, 1, 1, y])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-14 + 42*y - 42*y^2 + 5*y^3 + 42*z - 84*y*z + 42*y^2*z - 42*z^2 + 42*y*z^2 + 14*z^3)* G[1, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(20 - 60*y + 60*y^2 + 11*y^3 - 60*z + 120*y*z - 60*y^2*z + 60*z^2 - 60*y*z^2 - 20*z^3)*G[1, 1, 0, 1, y])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-13 + 39*y - 39*y^2 + 7*y^3 + 39*z - 78*y*z + 39*y^2*z - 39*z^2 + 39*y*z^2 + 13*z^3)* G[1, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, 1, y])/y^2 + ((58*Pi*y*(-1 + z)*z)/(3*(-1 + y + z)^2) + ((I/12)*(90*y^2 - 360*y^3 + 540*y^4 - 360*y^5 + 90*y^6 - 128*y*z + 449*y^2*z - 759*y^3*z + 863*y^4*z - 605*y^5*z + 180*y^6*z + 120*z^2 - 168*y*z^2 - 1101*y^2*z^2 + 2858*y^3*z^2 - 2341*y^4*z^2 + 632*y^5*z^2 - 360*z^3 + 960*y*z^3 + 803*y^2*z^3 - 2095*y^3*z^3 + 692*y^4*z^3 + 360*z^4 - 904*y*z^4 - 49*y^2*z^4 + 236*y^3*z^4 - 120*z^5 + 240*y*z^5 - 120*y^2*z^5))/((-1 + y)^2*y*z*(-1 + y + z)^2))*Zeta[3] + G[1, y]*((Pi^3*(-1 + z)*z*(-35 + 105*y - 105*y^2 + 38*y^3 + 105*z - 210*y*z + 105*y^2*z - 105*z^2 + 105*y*z^2 + 35*z^3))/ (9*y^2*(-1 + y + z)^2) + (Pi*(4*y - 12*y^2 - 50*y^3 + 190*y^4 - 198*y^5 + 66*y^6 + 4*z - 22*y*z + 240*y^2*z - 427*y^3*z + 346*y^4*z - 285*y^5*z + 144*y^6*z - 10*z^2 + 1123*y*z^2 - 3618*y^2*z^2 + 3961*y^3*z^2 - 1492*y^4*z^2 + 36*y^5*z^2 + 1013*z^3 - 6190*y*z^3 + 10504*y^2*z^3 - 6265*y^3*z^3 + 785*y^4*z^3 - 3009*z^4 + 10090*y*z^4 - 10129*y^2*z^4 + 2895*y^3*z^4 + 3003*z^5 - 6006*y*z^5 + 3003*y^2*z^5 - 1001*z^6 + 1001*y*z^6))/(18*(-1 + y)*y^2*z*(-1 + y + z)* (y + z)) - ((I/216)*(200*y - 705*y^2 - 1160*y^3 + 6005*y^4 - 6510*y^5 + 2170*y^6 + 200*z - 1007*y*z + 4126*y^2*z - 6596*y^3*z + 9001*y^4*z - 10532*y^5*z + 4808*y^6*z - 302*z^2 + 29796*y*z^2 - 94270*y^2*z^2 + 109771*y^3*z^2 - 46875*y^4*z^2 + 1880*y^5*z^2 + 31710*z^3 - 183489*y*z^3 + 311772*y^2*z^3 - 192042*y^3*z^3 + 25650*y^4*z^3 - 94620*z^4 + 312030*y*z^4 - 315399*y^2*z^4 + 91590*y^3*z^4 + 94518*z^5 - 189036*y*z^5 + 94518*y^2*z^5 - 31506*z^6 + 31506*y*z^6))/((-1 + y)*y^2*z* (-1 + y + z)*(y + z)) + ((I/216)*Pi^2*(-192*y^4 + 1056*y^5 - 2304*y^6 + 2496*y^7 - 1344*y^8 + 288*y^9 + 486*y^3*z - 930*y^4*z - 732*y^5*z + 2340*y^6*z - 618*y^7*z - 1122*y^8*z + 576*y^9*z + 2622*y^2*z^2 - 13212*y^3*z^2 + 25596*y^4*z^2 - 25686*y^5*z^2 + 16896*y^6*z^2 - 8790*y^7*z^2 + 2574*y^8*z^2 + 2595*y*z^3 - 21549*y^2*z^3 + 61227*y^3*z^3 - 83187*y^4*z^3 + 61848*y^5*z^3 - 26094*y^6*z^3 + 5160*y^7*z^3 + 804*z^4 - 13893*y*z^4 + 60366*y^2*z^4 - 112365*y^3*z^4 + 105186*y^4*z^4 - 49218*y^5*z^4 + 8814*y^6*z^4 - 3264*z^5 + 27984*y*z^5 - 77734*y^2*z^5 + 97166*y^3*z^5 - 57304*y^4*z^5 + 12540*y^5*z^5 + 4974*z^6 - 26402*y*z^6 + 48248*y^2*z^6 - 37852*y^3*z^6 + 10726*y^4*z^6 - 3376*z^7 + 11452*y*z^7 - 12776*y^2*z^7 + 4700*y^3*z^7 + 862*z^8 - 1724*y*z^8 + 862*y^2*z^8))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) - (((2*I)/3)*(-1 + z)*z*(15 - 45*y + 45*y^2 + 37*y^3 - 45*z + 90*y*z - 45*y^2*z + 45*z^2 - 45*y*z^2 - 15*z^3)*Zeta[3])/ (y^2*(-1 + y + z)^2))) + G[1, y]* (((-1/2160*I)*Pi^4*(-153*y + 459*y^2 - 531*y^3 + 225*y^4 - 372*z + 1575*y*z - 2034*y^2*z + 2305*y^3*z + 1488*z^2 - 3807*y*z^2 + 2691*y^2*z^2 - 1774*y^3*z^2 - 2232*z^3 + 3501*y*z^3 - 1116*y^2*z^3 + 1488*z^4 - 1116*y*z^4 - 372*z^5))/ (y^2*(-1 + y + z)^2) + (Pi*(2*y^2 + 207*y^3 - 207*y^4 + 4*y*z + 1399*y^2*z - 2220*y^3*z + 1167*y^4*z + 2*z^2 + 2537*y*z^2 - 6225*y^2*z^2 + 4005*y^3*z^2 + 1165*z^3 - 6546*y*z^3 + 5676*y^2*z^3 - 2334*z^4 + 4005*y*z^4 + 1167*z^5))/ (18*y*z*(y + z)^2) - ((I/216)*(76*y^2 + 845*y^3 - 845*y^4 + 152*y*z + 42704*y^2*z - 52545*y^3*z + 44762*y^4*z + 76*z^2 + 90217*y*z^2 - 194239*y^2*z^2 + 141694*y^3*z^2 + 44686*z^3 - 232063*y*z^3 + 193864*y^2*z^3 - 89524*z^4 + 141694*y*z^4 + 44762*z^5))/(y*z*(y + z)^2) + (Pi^3*(-258*y^4 + 1308*y^5 - 2652*y^6 + 2688*y^7 - 1362*y^8 + 276*y^9 - 99*y^3*z + 1563*y^4*z - 4647*y^5*z + 5001*y^6*z - 1266*y^7*z - 1104*y^8*z + 552*y^9*z + 832*y^2*z^2 - 3761*y^3*z^2 + 6754*y^4*z^2 - 8477*y^5*z^2 + 10114*y^6*z^2 - 8000*y^7*z^2 + 2538*y^8*z^2 + 542*y*z^3 - 6002*y^2*z^3 + 19600*y^3*z^3 - 31760*y^4*z^3 + 31219*y^5*z^3 - 18413*y^6*z^3 + 4814*y^7*z^3 + 22*z^4 - 2368*y*z^4 + 14816*y^2*z^4 - 34588*y^3*z^4 + 40478*y^4*z^4 - 24307*y^5*z^4 + 5794*y^6*z^4 - 76*z^5 + 3920*y*z^5 - 16474*y^2*z^5 + 26747*y^3*z^5 - 19651*y^4*z^5 + 5228*y^5*z^5 + 108*z^6 - 2928*y*z^6 + 8322*y^2*z^6 - 8625*y^3*z^6 + 2970*y^4*z^6 - 72*z^7 + 870*y*z^7 - 1524*y^2*z^7 + 726*y^3*z^7 + 18*z^8 - 36*y*z^8 + 18*y^2*z^8))/ (108*(-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) - ((I/1296)*Pi^2*(72*y^2 - 72*y^3 - 10344*y^4 + 51042*y^5 - 101838*y^6 + 102294*y^7 - 51594*y^8 + 10440*y^9 + 144*y*z - 720*y^2*z - 16164*y^3*z + 131154*y^4*z - 348048*y^5*z + 422214*y^6*z - 236160*y^7*z + 42972*y^8*z + 4608*y^9*z + 72*z^2 - 1224*y*z^2 + 1952*y^2*z^2 + 84074*y^3*z^2 - 396790*y^4*z^2 + 682132*y^5*z^2 - 505208*y^6*z^2 + 127090*y^7*z^2 + 7902*y^8*z^2 - 576*z^3 + 10453*y*z^3 - 27571*y^2*z^3 - 104488*y^3*z^3 + 443892*y^4*z^3 - 526904*y^5*z^3 + 229486*y^6*z^3 - 24292*y^7*z^3 + 2600*z^4 - 36743*y*z^4 + 100282*y^2*z^4 - 20334*y^3*z^4 - 160738*y^4*z^4 + 163370*y^5*z^4 - 51164*y^6*z^4 - 5372*z^5 + 60049*y*z^5 - 146549*y^2*z^5 + 124736*y^3*z^5 - 26050*y^4*z^5 - 12268*y^5*z^5 + 5778*z^6 - 47775*y*z^6 + 95046*y^2*z^6 - 76440*y^3*z^6 + 20664*y^4*z^6 - 3240*z^7 + 16572*y*z^7 - 23424*y^2*z^7 + 10092*y^3*z^7 + 738*z^8 - 1476*y*z^8 + 738*y^2*z^8))/((-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)^2) + (((I/18)*Pi^2*(-1 + z)*z*(-142 + 426*y - 426*y^2 + 163*y^3 + 426*z - 852*y*z + 426*y^2*z - 426*z^2 + 426*y*z^2 + 142*z^3))/(y^2*(-1 + y + z)^2) - (Pi*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 30*z^2 + 66*y*z^2 - 13*y^2*z^2 + 9*y^3*z^2 + 90*z^3 - 102*y*z^3 + 3*y^2*z^3 - 90*z^4 + 46*y*z^4 + 30*z^5))/ (3*y^2*z*(-1 + y + z)) + ((I/108)*(-18*y^2 - 228*y^3 + 774*y^4 - 792*y^5 + 264*y^6 + 36*y*z + 552*y^2*z - 1314*y^3*z + 1464*y^4*z - 1302*y^5*z + 564*y^6*z + 54*z^2 + 5791*y*z^2 - 17616*y^2*z^2 + 16449*y^3*z^2 - 4900*y^4*z^2 + 222*y^5*z^2 + 6091*z^3 - 35253*y*z^3 + 55066*y^2*z^3 - 29214*y^3*z^3 + 2392*y^4*z^3 - 18645*z^4 + 59698*y*z^4 - 56152*y^2*z^4 + 14181*y^3*z^4 + 18825*z^5 - 36597*y*z^5 + 17772*y^2*z^5 - 6325*z^6 + 6325*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)*(y + z)))* G[0, 0, z] - ((I/18)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 44*z + 141*y*z - 150*y^2*z + 10*y^3*z + 176*z^2 - 405*y*z^2 + 273*y^2*z^2 + 2*y^3*z^2 - 264*z^3 + 399*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y*z^4 - 44*z^5)*G[0, 1, z])/(y^2*(-1 + y + z)^2) + ((Pi*(18*y^3 - 36*y^4 + 18*y^5 + 45*y^2*z - 42*y^3*z - 39*y^4*z + 36*y^5*z + 107*y*z^2 - 248*y^2*z^2 + 41*y^3*z^2 + 78*y^4*z^2 + 60*z^3 - 422*y*z^3 + 441*y^2*z^3 - 48*y^3*z^3 - 180*z^4 + 523*y*z^4 - 238*y^2*z^4 + 180*z^5 - 208*y*z^5 - 60*z^6))/ (6*y^2*z*(-1 + y + z)*(y + z)) - ((I/108)*(-24*y + 18*y^2 - 579*y^3 + 1824*y^4 - 1899*y^5 + 660*y^6 - 24*z + 186*y*z - 2046*y^2*z + 3672*y^3*z - 411*y^4*z - 2859*y^5*z + 1482*y^6*z + 168*z^2 - 7642*y*z^2 + 23409*y^2*z^2 - 20622*y^3*z^2 - 26*y^4*z^2 + 4713*y^5*z^2 - 6739*z^3 + 41520*y*z^3 - 70039*y^2*z^3 + 39288*y^3*z^3 - 3112*y^4*z^3 + 19395*z^4 - 67054*y*z^4 + 68773*y^2*z^4 - 20196*y^3*z^4 - 19125*z^5 + 39303*y*z^5 - 20178*y^2*z^5 + 6325*z^6 - 6325*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)*(y + z)) - ((I/36)*Pi^2*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^3*z - 9*y^5*z + 6*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 18*y^3*z^2 - 30*y^4*z^2 + 18*y^5*z^2 - 162*z^3 + 477*y*z^3 - 468*y^2*z^3 + 194*y^3*z^3 + 18*y^4*z^3 + 648*z^4 - 1449*y*z^4 + 963*y^2*z^4 - 212*y^3*z^4 - 972*z^5 + 1455*y*z^5 - 486*y^2*z^5 + 648*z^6 - 486*y*z^6 - 162*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[0, 1 - y, z] + (((I/36)*Pi^2*(59*y^3 - 118*y^4 + 59*y^5 - 118*y^4*z + 118*y^5*z - 3*y*z^2 + 6*y^2*z^2 - 183*y^3*z^2 + 236*y^4*z^2 + 284*z^3 - 562*y*z^3 + 278*y^2*z^3 + 118*y^3*z^3 - 852*z^4 + 1133*y*z^4 - 284*y^2*z^4 + 852*z^5 - 568*y*z^5 - 284*z^6))/ (y^2*z^2*(-1 + y + z)) + ((I/216)*(24*y^2 - 48*y^3 + 806*y^4 - 3128*y^5 + 4692*y^6 - 3128*y^7 + 782*y^8 + 72*y*z - 474*y^2*z - 3526*y^3*z + 24580*y^4*z - 64912*y^5*z + 88030*y^6*z - 59674*y^7*z + 15904*y^8*z + 48*z^2 - 474*y*z^2 + 3153*y^2*z^2 + 10506*y^3*z^2 - 84061*y^4*z^2 + 177374*y^5*z^2 - 157846*y^6*z^2 + 51300*y^7*z^2 - 48*z^3 + 17465*y*z^3 - 76472*y^2*z^3 + 96615*y^3*z^3 + 16840*y^4*z^3 - 100408*y^5*z^3 + 46008*y^6*z^3 + 13220*z^4 - 105410*y*z^4 + 260531*y^2*z^4 - 260860*y^3*z^4 + 91536*y^4*z^4 - 1744*y^5*z^4 - 39660*z^5 + 185879*y*z^5 - 302308*y^2*z^5 + 197222*y^3*z^5 - 43860*y^4*z^5 + 39660*z^6 - 124044*y*z^6 + 129108*y^2*z^6 - 44724*y^3*z^6 - 13220*z^7 + 26440*y*z^7 - 13220*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)) - (Pi*(-37*y^4 + 148*y^5 - 222*y^6 + 148*y^7 - 37*y^8 - 211*y^3*z + 1084*y^4*z - 2392*y^5*z + 2782*y^6*z - 1669*y^7*z + 406*y^8*z - 6*y^2*z^2 + 750*y^3*z^2 - 3214*y^4*z^2 + 5552*y^5*z^2 - 4432*y^6*z^2 + 1350*y^7*z^2 + 452*y*z^3 - 1856*y^2*z^3 + 1932*y^3*z^3 + 1318*y^4*z^3 - 2998*y^5*z^3 + 1152*y^6*z^3 + 248*z^4 - 2342*y*z^4 + 6020*y^2*z^4 - 5956*y^3*z^4 + 1917*y^4*z^4 - 40*y^5*z^4 - 744*z^5 + 3824*y*z^5 - 6538*y^2*z^5 + 4247*y^3*z^5 - 942*y^4*z^5 + 744*z^6 - 2430*y*z^6 + 2628*y^2*z^6 - 942*y^3*z^6 - 248*z^7 + 496*y*z^7 - 248*y^2*z^7))/(18*(-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[0, -y, z] + (((I/9)*Pi^2*(-1 + z)*z*(-13 + 39*y - 39*y^2 + 17*y^3 + 39*z - 78*y*z + 39*y^2*z - 39*z^2 + 39*y*z^2 + 13*z^3))/(y^2*(-1 + y + z)^2) - ((I/216)*(-1 + z)* (-152 + 507*y - 615*y^2 + 430*y^3 - 30*y^4 + 12*y^5 + 426*z - 426*y*z - 969*y^2*z + 1056*y^3*z - 30*y^4*z + 24*y^5*z - 354*z^2 + 1320*y*z^2 - 4437*y^2*z^2 + 3954*y^3*z^2 + 60*y^4*z^2 + 1406*z^3 - 5106*y*z^3 + 1401*y^2*z^3 + 6296*y^3*z^3 - 3930*z^4 + 5133*y*z^4 + 4620*y^2*z^4 + 3912*z^5 - 1572*y*z^5 - 1308*z^6))/(y^2*z^2*(-1 + y + z)^2) + (Pi*(-1 + z)*(-2 + 6*y - 6*y^2 + 4*y^3 + 6*z - 6*y*z - 12*y^2*z + 12*y^3*z - 6*z^2 + 21*y*z^2 - 63*y^2*z^2 + 54*y^3*z^2 + 45*z^3 - 144*y*z^3 + 78*y^2*z^3 + 92*y^3*z^3 - 129*z^4 + 219*y*z^4 + 3*y^2*z^4 + 129*z^5 - 96*y*z^5 - 43*z^6))/ (9*y^2*z^2*(-1 + y + z)^2))*G[1, 0, z] + ((I/18)*Pi^2*(-6*y + 18*y^2 - 24*y^3 + 12*y^4 - 31*z + 111*y*z - 129*y^2*z + 6*y^3*z + 124*z^2 - 297*y*z^2 + 204*y^2*z^2 + 18*y^3*z^2 - 186*z^3 + 285*y*z^3 - 93*y^2*z^3 + 124*z^4 - 93*y*z^4 - 31*z^5)*G[1, 1, z])/(y^2*(-1 + y + z)^2) - ((I/36)*Pi^2*(-9*y + 27*y^2 - 36*y^3 + 18*y^4 + 6*z + 9*y*z - 36*y^2*z - 82*y^3*z - 24*z^2 + 27*y*z^2 - 9*y^2*z^2 + 118*y^3*z^2 + 36*z^3 - 45*y*z^3 + 18*y^2*z^3 - 24*z^4 + 18*y*z^4 + 6*z^5)*G[1, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((Pi*(18*y^3 - 36*y^4 + 18*y^5 + 45*y^2*z - 42*y^3*z - 39*y^4*z + 36*y^5*z + 107*y*z^2 - 248*y^2*z^2 + 41*y^3*z^2 + 78*y^4*z^2 + 60*z^3 - 422*y*z^3 + 441*y^2*z^3 - 48*y^3*z^3 - 180*z^4 + 523*y*z^4 - 238*y^2*z^4 + 180*z^5 - 208*y*z^5 - 60*z^6))/ (6*y^2*z*(-1 + y + z)*(y + z)) - ((I/108)*(-24*y + 18*y^2 - 579*y^3 + 1824*y^4 - 1899*y^5 + 660*y^6 - 24*z + 186*y*z - 2046*y^2*z + 3672*y^3*z - 411*y^4*z - 2859*y^5*z + 1482*y^6*z + 168*z^2 - 7642*y*z^2 + 23409*y^2*z^2 - 20622*y^3*z^2 - 26*y^4*z^2 + 4713*y^5*z^2 - 6739*z^3 + 41520*y*z^3 - 70039*y^2*z^3 + 39288*y^3*z^3 - 3112*y^4*z^3 + 19395*z^4 - 67054*y*z^4 + 68773*y^2*z^4 - 20196*y^3*z^4 - 19125*z^5 + 39303*y*z^5 - 20178*y^2*z^5 + 6325*z^6 - 6325*y*z^6))/((-1 + y)*y^2*z*(-1 + y + z)*(y + z)) - ((I/18)*Pi^2*(-8*y^3 + 24*y^4 - 24*y^5 + 8*y^6 + 8*y^3*z - 24*y^5*z + 16*y^6*z + 24*y^3*z^2 - 72*y^4*z^2 + 48*y^5*z^2 - 90*z^3 + 270*y*z^3 - 270*y^2*z^3 + 47*y^3*z^3 + 48*y^4*z^3 + 360*z^4 - 810*y*z^4 + 540*y^2*z^4 - 71*y^3*z^4 - 540*z^5 + 810*y*z^5 - 270*y^2*z^5 + 360*z^6 - 270*y*z^6 - 90*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1 - y, 0, z] - ((I/36)*Pi^2*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 15*y^3*z^2 - 69*y^4*z^2 + 54*y^5*z^2 - 98*z^3 + 339*y*z^3 - 384*y^2*z^3 + 143*y^3*z^3 + 54*y^4*z^3 + 392*z^4 - 927*y*z^4 + 633*y^2*z^4 - 128*y^3*z^4 - 588*z^5 + 897*y*z^5 - 294*y^2*z^5 + 392*z^6 - 294*y*z^6 - 98*z^7)*G[1 - y, 1, z])/(y^2*z^2*(-1 + y + z)^2) + ((-2*Pi*(-3*y + 3*y^2 + 6*z + y*z + 6*y^2*z - 12*z^2 + 2*y*z^2 + 6*z^3))/(y*z) - ((I/12)*(39*y^3 - 39*y^4 + 216*y^2*z - 395*y^3*z + 222*y^4*z + 483*y*z^2 - 1117*y^2*z^2 + 722*y^3*z^2 + 222*z^3 - 1205*y*z^3 + 1000*y^2*z^3 - 444*z^4 + 722*y*z^4 + 222*z^5))/(y*z*(y + z)^2) + ((I/36)*Pi^2*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z - 12*y*z^2 + 36*y^2*z^2 - 9*y^3*z^2 - 69*y^4*z^2 + 54*y^5*z^2 + 26*z^3 - 42*y*z^3 + 6*y^2*z^3 - 23*y^3*z^3 + 54*y^4*z^3 - 104*z^4 + 198*y*z^4 - 120*y^2*z^4 + 32*y^3*z^4 + 156*z^5 - 222*y*z^5 + 78*y^2*z^5 - 104*z^6 + 78*y*z^6 + 26*z^7))/(y^2*z^2*(-1 + y + z)^2))* G[1 - y, 1 - y, z] + ((((-31*I)/9)*Pi^2*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(y^2*z^2) + (Pi*(4 - 16*y + 24*y^2 - 111*y^3 + 384*y^4 - 570*y^5 + 380*y^6 - 95*y^7 - 12*z + 28*y*z - 180*y^2*z + 888*y^3*z - 1950*y^4*z + 2154*y^5*z - 1194*y^6*z + 266*y^7*z + 12*z^2 - 47*y*z^2 + 442*y^2*z^2 - 1418*y^3*z^2 + 2188*y^4*z^2 - 1727*y^5*z^2 + 550*y^6*z^2 - 270*z^3 + 1156*y*z^3 - 1942*y^2*z^3 + 2158*y^3*z^3 - 1494*y^4*z^3 + 392*y^5*z^3 + 798*z^4 - 2735*y*z^4 + 3288*y^2*z^4 - 1896*y^3*z^4 + 392*y^4*z^4 - 798*z^5 + 2146*y*z^5 - 1898*y^2*z^5 + 550*y^3*z^5 + 266*z^6 - 532*y*z^6 + 266*y^2*z^6))/(18*(-1 + y)^2*y^2*z^2* (-1 + y + z)) - ((I/216)*(152 - 635*y + 912*y^2 - 247*y^3 - 716*y^4 + 843*y^5 - 364*y^6 + 55*y^7 - 474*z + 1196*y*z - 6342*y^2*z + 29238*y^3*z - 68686*y^4*z + 85848*y^5*z - 54738*y^6*z + 13958*y^7*z + 690*z^2 + 1730*y*z^2 - 3028*y^2*z^2 - 21409*y^3*z^2 + 68686*y^4*z^2 - 73823*y^5*z^2 + 27154*y^6*z^2 - 14884*z^3 + 51480*y*z^3 - 62762*y^2*z^3 + 44830*y^3*z^3 - 28608*y^4*z^3 + 9944*y^5*z^3 + 42720*z^4 - 137261*y*z^4 + 153390*y^2*z^4 - 71520*y^3*z^4 + 9944*y^4*z^4 - 42162*z^5 + 111478*y*z^5 - 96470*y^2*z^5 + 27154*y^3*z^5 + 13958*z^6 - 27916*y*z^6 + 13958*y^2*z^6))/((-1 + y)^2*y^2*z^2* (-1 + y + z)))*G[1 - y, -y, z] + (((-1/18*I)*Pi^2*(-1 + y + z)*(16*y^3 + 32*y^3*z - 41*z^3 + 41*z^4))/ (y^2*z^2) - (Pi*(-26*y^4 + 90*y^5 - 90*y^6 + 30*y^7 + 40*y^3*z - 106*y^4*z + 156*y^5*z - 162*y^6*z + 72*y^7*z + 105*y^2*z^2 - 289*y^3*z^2 + 321*y^4*z^2 - 285*y^5*z^2 + 156*y^6*z^2 + 157*y*z^3 - 654*y^2*z^3 + 507*y^3*z^3 + 58*y^4*z^3 - 30*y^5*z^3 + 82*z^4 - 901*y*z^4 + 1641*y^2*z^4 - 530*y^3*z^4 - 154*y^4*z^4 - 340*z^5 + 1725*y*z^5 - 1728*y^2*z^5 + 284*y^3*z^5 + 516*z^6 - 1391*y*z^6 + 648*y^2*z^6 - 344*z^7 + 410*y*z^7 + 86*z^8))/(18*y^2*z^2*(-1 + y + z)^2*(y + z)) + ((I/216)*(72*y^2 - 198*y^3 - 203*y^4 + 1599*y^5 - 1680*y^6 + 562*y^7 + 144*y*z - 684*y^2*z + 2191*y^3*z - 4084*y^4*z + 4722*y^5*z - 3584*y^6*z + 1376*y^7*z + 72*z^2 - 774*y*z^2 + 5094*y^2*z^2 - 8617*y^3*z^2 + 4890*y^4*z^2 - 1950*y^5*z^2 + 1676*y^6*z^2 - 288*z^3 + 5350*y*z^3 - 18690*y^2*z^3 + 8610*y^3*z^3 + 10258*y^4*z^3 - 4692*y^5*z^3 + 1570*z^4 - 21100*y*z^4 + 37764*y^2*z^4 - 7064*y^3*z^4 - 6736*y^4*z^4 - 5344*z^5 + 35568*y*z^5 - 36654*y^2*z^5 + 5396*y^3*z^5 + 7926*z^6 - 26772*y*z^6 + 13416*y^2*z^6 - 5244*z^7 + 7584*y*z^7 + 1308*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))* G[-y, 0, z] + (((-1/36*I)*Pi^2*(-1 + y + z)*(125*y^3 + 250*y^3*z - 3*y*z^2 - 274*z^3 + 274*z^4))/(y^2*z^2) + (Pi*(44*y^3 - 44*y^4 + 54*y^2*z - 104*y^3*z + 60*y^4*z - 5*y*z^2 - 15*y^2*z^2 + 44*y^3*z^2 + 60*z^3 - 39*y*z^3 + 4*y^2*z^3 - 120*z^4 + 44*y*z^4 + 60*z^5))/(6*y^2*z^2) - ((I/108)*(24*y - 6*y^2 + 127*y^3 - 522*y^4 + 603*y^5 - 226*y^6 + 24*z - 174*y*z + 1749*y^2*z - 9699*y^3*z + 21061*y^4*z - 19286*y^5*z + 6325*y^6*z - 168*z^2 - 261*y*z^2 + 951*y^2*z^2 + 9144*y^3*z^2 - 21335*y^4*z^2 + 11669*y^5*z^2 + 6739*z^3 - 17241*y*z^3 + 11718*y^2*z^3 - 4508*y^3*z^3 + 2374*y^4*z^3 - 19395*z^4 + 42157*y*z^4 - 26054*y^2*z^4 + 2374*y^3*z^4 + 19125*z^5 - 30794*y*z^5 + 11669*y^2*z^5 - 6325*z^6 + 6325*y*z^6))/((-1 + y)*y^2*z^2*(-1 + y + z)))*G[-y, 1 - y, z] + (((I/36)*Pi^2*(-1 + y + z)*(23*y^3 + 46*y^3*z + 3*y*z^2 - 46*z^3 + 46*z^4))/(y^2*z^2) + (Pi*(-13*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 126*y^2*z - 347*y^3*z + 354*y^4*z - 147*y^5*z + 18*y^6*z - 189*y*z^2 + 279*y^2*z^2 - 72*y^3*z^2 - 30*y^5*z^2 + 14*z^3 + 585*y*z^3 - 1206*y^2*z^3 + 900*y^3*z^3 - 282*y^4*z^3 - 68*z^4 - 645*y*z^4 + 1095*y^2*z^4 - 468*y^3*z^4 + 108*z^5 + 279*y*z^5 - 282*y^2*z^5 - 72*z^6 - 30*y*z^6 + 18*z^7))/(18*y^2*z^2* (-1 + y + z)^2) - ((I/216)*(-24*y + 84*y^2 + 191*y^3 - 926*y^4 + 1557*y^5 - 1224*y^6 + 342*y^7 - 24*z + 168*y*z - 3288*y^2*z + 11317*y^3*z - 16123*y^4*z + 11490*y^5*z - 4278*y^6*z + 738*y^7*z + 84*z^2 + 4767*y*z^2 - 13746*y^2*z^2 + 13512*y^3*z^2 - 4968*y^4*z^2 - 69*y^5*z^2 + 420*y^6*z^2 - 376*z^3 - 15431*y*z^3 + 49305*y^2*z^3 - 56205*y^3*z^3 + 28245*y^4*z^3 - 5538*y^5*z^3 + 1936*z^4 + 14567*y*z^4 - 42888*y^2*z^4 + 35907*y^3*z^4 - 10440*y^4*z^4 - 3546*z^5 - 1701*y*z^5 + 9867*y^2*z^5 - 5538*y^3*z^5 + 2664*z^6 - 3084*y*z^6 + 420*y^2*z^6 - 738*z^7 + 738*y*z^7))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2))*G[-y, -y, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 10*y*z + 8*y^2*z - 2*y^3*z + 4*y^4*z - 69*z^2 + 116*y*z^2 + 8*y^2*z^2 + 21*y^3*z^2 + 207*z^3 - 202*y*z^3 - 18*y^2*z^3 - 207*z^4 + 96*y*z^4 + 69*z^5))/(y^2*z*(-1 + y + z)))*G[0, 0, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/18)*(66*y^3 - 132*y^4 + 66*y^5 + 87*y^2*z - 102*y^3*z - 117*y^4*z + 132*y^5*z + 271*y*z^2 - 512*y^2*z^2 - 137*y^3*z^2 + 240*y^4*z^2 + 190*z^3 - 1112*y*z^3 + 887*y^2*z^3 + 26*y^3*z^3 - 570*z^4 + 1411*y*z^4 - 462*y^2*z^4 + 570*z^5 - 570*y*z^5 - 190*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[0, 0, 1 - y, z] + ((Pi*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 24*y^3*z^2 - 42*y^4*z^2 + 24*y^5*z^2 + 42*z^3 - 135*y*z^3 + 144*y^2*z^3 - 30*y^3*z^3 + 24*y^4*z^3 - 168*z^4 + 387*y*z^4 - 261*y^2*z^4 + 6*y^3*z^4 + 252*z^5 - 381*y*z^5 + 126*y^2*z^5 - 168*z^6 + 126*y*z^6 + 42*z^7))/(3*y^2*z^2*(-1 + y + z)^2) + ((I/36)*(70*y^4 - 350*y^5 + 700*y^6 - 700*y^7 + 350*y^8 - 70*y^9 + 448*y^3*z - 3036*y^4*z + 8508*y^5*z - 12632*y^6*z + 10488*y^7*z - 4620*y^8*z + 844*y^9*z + 45*y^2*z^2 - 2317*y^3*z^2 + 11321*y^4*z^2 - 23647*y^5*z^2 + 25510*y^6*z^2 - 14048*y^7*z^2 + 3136*y^8*z^2 - 19*y*z^3 + 680*y^2*z^3 + 479*y^3*z^3 - 8782*y^4*z^3 + 17294*y^5*z^3 - 13444*y^6*z^3 + 3792*y^7*z^3 + 482*z^4 - 2025*y*z^4 + 1719*y^2*z^4 + 1014*y^3*z^4 - 1011*y^4*z^4 - 1269*y^5*z^4 + 1090*y^6*z^4 - 2000*z^5 + 7693*y*z^5 - 9974*y^2*z^5 + 3679*y^3*z^5 + 1852*y^4*z^5 - 944*y^5*z^5 + 3108*z^6 - 10187*y*z^6 + 11692*y^2*z^6 - 4589*y^3*z^6 + 282*y^4*z^6 - 2132*z^7 + 5622*y*z^7 - 4848*y^2*z^7 + 1358*y^3*z^7 + 542*z^8 - 1084*y*z^8 + 542*y^2*z^8))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2* (y + z)))*G[0, 0, -y, z] + ((8*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) - ((I/18)*(2*y - 5*y^2 + 6*y^3 - 25*y^4 + 52*y^5 - 42*y^6 + 12*y^7 + 2*z - 22*y*z + 65*y^2*z - 112*y^3*z + 125*y^4*z - 40*y^5*z - 42*y^6*z + 24*y^7*z - 17*z^2 + 107*y*z^2 - 246*y^2*z^2 + 262*y^3*z^2 - 40*y^4*z^2 - 150*y^5*z^2 + 84*y^6*z^2 + 48*z^3 - 280*y*z^3 + 532*y^2*z^3 - 210*y^3*z^3 - 430*y^4*z^3 + 340*y^5*z^3 - 133*z^4 + 701*y*z^4 - 1024*y^2*z^4 + 92*y^3*z^4 + 560*y^4*z^4 - 184*y^5*z^4 + 346*z^5 - 1348*y*z^5 + 1446*y^2*z^5 - 242*y^3*z^5 - 190*y^4*z^5 - 492*z^6 + 1352*y*z^6 - 1046*y^2*z^6 + 186*y^3*z^6 + 332*z^7 - 610*y*z^7 + 278*y^2*z^7 - 86*z^8 + 86*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[0, 1, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/18)*(66*y^3 - 132*y^4 + 66*y^5 + 87*y^2*z - 102*y^3*z - 117*y^4*z + 132*y^5*z + 271*y*z^2 - 512*y^2*z^2 - 137*y^3*z^2 + 240*y^4*z^2 + 190*z^3 - 1112*y*z^3 + 887*y^2*z^3 + 26*y^3*z^3 - 570*z^4 + 1411*y*z^4 - 462*y^2*z^4 + 570*z^5 - 570*y*z^5 - 190*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[0, 1 - y, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/12)*(62*y^3 - 124*y^4 + 62*y^5 + 103*y^2*z - 110*y^3*z - 117*y^4*z + 124*y^5*z + 239*y*z^2 - 548*y^2*z^2 + 21*y^3*z^2 + 262*y^4*z^2 + 138*z^3 - 976*y*z^3 + 1021*y^2*z^3 - 78*y^3*z^3 - 414*z^4 + 1235*y*z^4 - 576*y^2*z^4 + 414*z^5 - 498*y*z^5 - 138*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[0, 1 - y, 1 - y, z] + (-1/3*(Pi*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 30*y^3*z^2 - 60*y^4*z^2 + 36* y^5*z^2 - 2*z^3 - 3*y*z^3 + 12*y^2*z^3 + 4*y^3*z^3 + 36*y^4* z^3 + 8*z^4 - 9*y*z^4 + 3*y^2*z^4 - 34*y^3*z^4 - 12*z^5 + 15* y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7))/ (y^2*z^2*(-1 + y + z)^2) - ((I/36)*(4*y - 14*y^2 + 22*y^3 + 32*y^4 - 280*y^5 + 626*y^6 - 666*y^7 + 348*y^8 - 72*y^9 + 4*z - 48*y*z + 174*y^2*z - 86*y^3*z - 1608*y^4*z + 6096*y^5*z - 10322*y^6*z + 9306*y^7*z - 4344*y^8*z + 828*y^9*z - 34*z^2 + 248*y*z^2 - 967*y^2*z^2 + 391*y^3*z^2 + 7105*y^4*z^2 - 20423*y^5*z^2 + 24978*y^6*z^2 - 14724*y^7*z^2 + 3426*y^8*z^2 + 96*z^3 - 2111*y*z^3 + 9850*y^2*z^3 - 15959*y^3*z^3 + 4500*y^4*z^3 + 13788*y^5*z^3 - 14496*y^6*z^3 + 4332*y^7*z^3 - 950*z^4 + 10815*y*z^4 - 35259*y^2*z^4 + 48596*y^3*z^4 - 29757*y^4*z^4 + 5781*y^5*z^4 + 774*y^6*z^4 + 3308*z^5 - 22735*y*z^5 + 52382*y^2*z^5 - 54393*y^3*z^5 + 26100*y^4*z^5 - 4356*y^5*z^5 - 4758*z^6 + 22153*y*z^6 - 35960*y^2*z^6 + 25159*y^3*z^6 - 6288*y^4*z^6 + 3100*z^7 - 9858*y*z^7 + 10416*y^2*z^7 - 3658*y^3*z^7 - 766*z^8 + 1532*y*z^8 - 766*y^2*z^8))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[0, 1 - y, -y, z] + ((-4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z + z^3 - z^4))/(3*y^2*z^2) + ((I/36)*(108*y^4 - 396*y^5 + 558*y^6 - 356*y^7 + 86*y^8 + 354*y^3*z - 1410*y^4*z + 1860*y^5*z - 734*y^6*z - 266*y^7*z + 196*y^8*z + 159*y^2*z^2 - 876*y^3*z^2 + 528*y^4*z^2 + 2106*y^5*z^2 - 3097*y^6*z^2 + 1180*y^7*z^2 - y*z^3 - 131*y^2*z^3 - 1041*y^3*z^3 + 5069*y^4*z^3 - 6494*y^5*z^3 + 2598*y^6*z^3 - 46*z^4 - 25*y*z^4 + 83*y^2*z^4 + 2249*y^3*z^4 - 4729*y^4*z^4 + 2444*y^5*z^4 + 112*z^5 + 254*y*z^5 - 726*y^2*z^5 - 374*y^3*z^5 + 710*y^4*z^5 - 96*z^6 - 358*y*z^6 + 748*y^2*z^6 - 294*y^3*z^6 + 32*z^7 + 140*y*z^7 - 172*y^2*z^7 - 2*z^8 + 2*y*z^8))/((-1 + y)*y^2*z^2* (-1 + y + z)^2*(y + z)))*G[0, -y, 0, z] + (-1/3*(Pi*(-1 + y + z)*(6*y^3 + 12*y^3*z - 3*y*z^2 + 10*z^3 - 10* z^4))/(y^2*z^2) - ((I/36)*(-53*y^4 + 212*y^5 - 318*y^6 + 212*y^7 - 53*y^8 - 245*y^3*z + 1406*y^4*z - 3614*y^5*z + 4856*y^6*z - 3269*y^7*z + 866*y^8*z + 207*y^2*z^2 + 576*y^3*z^2 - 5417*y^4*z^2 + 11536*y^5*z^2 - 10160*y^6*z^2 + 3258*y^7*z^2 + 1247*y*z^3 - 5522*y^2*z^3 + 6579*y^3*z^3 + 2272*y^4*z^3 - 7888*y^5*z^3 + 3312*y^6*z^3 + 536*z^4 - 5888*y*z^4 + 15887*y^2*z^4 - 15906*y^3*z^4 + 4897*y^4*z^4 + 168*y^5*z^4 - 1608*z^5 + 9107*y*z^5 - 16288*y^2*z^5 + 11021*y^3*z^5 - 2538*y^4*z^5 + 1608*z^6 - 5538*y*z^6 + 6252*y^2*z^6 - 2322*y^3*z^6 - 536*z^7 + 1072*y*z^7 - 536*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[0, -y, 1 - y, z] + ((Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 + 30*z^3 - 30*z^4))/(3*y^2*z^2) - ((I/36)*(-43*y^4 + 251*y^5 - 556*y^6 + 596*y^7 - 313*y^8 + 65*y^9 - 241*y^3*z + 1266*y^4*z - 2562*y^5*z + 2334*y^6*z - 699*y^7*z - 240*y^8*z + 142*y^9*z - 288*y^2*z^2 + 1771*y^3*z^2 - 3392*y^4*z^2 + 1324*y^5*z^2 + 2980*y^6*z^2 - 3491*y^7*z^2 + 1096*y^8*z^2 - 560*y*z^3 + 3766*y^2*z^3 - 8678*y^3*z^3 + 6420*y^4*z^3 + 3414*y^5*z^3 - 6846*y^6*z^3 + 2484*y^7*z^3 - 242*z^4 + 3594*y*z^4 - 13629*y^2*z^4 + 20525*y^3*z^4 - 11100*y^4*z^4 - 966*y^5*z^4 + 1818*y^6*z^4 + 1040*z^5 - 8197*y*z^5 + 20918*y^2*z^5 - 22272*y^3*z^5 + 9456*y^4*z^5 - 1098*y^5*z^5 - 1632*z^6 + 8347*y*z^6 - 14606*y^2*z^6 + 10366*y^3*z^6 - 2628*y^4*z^6 + 1120*z^7 - 3768*y*z^7 + 4176*y^2*z^7 - 1528*y^3*z^7 - 286*z^8 + 572*y*z^8 - 286*y^2*z^8))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2* (y + z)))*G[0, -y, -y, z] + ((2*Pi*(-1 + z)*z*(-8 + 24*y - 24*y^2 + 17*y^3 + 24*z - 48*y*z + 24*y^2*z - 24*z^2 + 24*y*z^2 + 8*z^3))/(3*y^2*(-1 + y + z)^2) - ((I/18)*(-1 + z)*(-3*y + 3*y^2 + 18*y^3 - 30*y^4 + 12*y^5 + 9*z - 33*y*z + 60*y^2*z - 42*y^3*z - 30*y^4*z + 24*y^5*z - 27*z^2 + 30*y*z^2 + 90*y^2*z^2 - 162*y^3*z^2 + 60*y^4*z^2 - 169*z^3 + 579*y*z^3 - 546*y^2*z^3 + 128*y^3*z^3 + 579*z^4 - 1101*y*z^4 + 393*y^2*z^4 - 588*z^5 + 528*y*z^5 + 196*z^6))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, 0, z] + ((4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/36)*(-1 + z)*(-8 + 6*y - 24*y^2 + 119*y^3 - 135*y^4 + 54*y^5 + 60*z - 42*y*z - 48*y^2*z + 78*y^3*z - 135*y^4*z + 108*y^5*z - 96*z^2 + 90*y*z^2 - 102*y^2*z^2 - 105*y^3*z^2 + 270*y^4*z^2 + 48*z^3 - 126*y*z^3 - 192*y^2*z^3 + 556*y^3*z^3 - 48*z^4 + 120*y*z^4 + 366*y^2*z^4 + 84*z^5 - 48*y*z^5 - 40*z^6))/(y^2*z^2*(-1 + y + z)^2))* G[1, 0, 1 - y, z] + (-1/3*(Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26* z + 87*y*z - 96*y^2*z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165* y^2*z^2 + 18*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104* z^4 - 78*y*z^4 - 26*z^5))/(y^2*(-1 + y + z)^2) - ((I/36)*(8 - 33*y + 87*y^2 - 191*y^3 + 171*y^4 - 54*y^5 - 20*z + 15*y*z - 42*y^2*z + 221*y^3*z - 54*y^4*z - 54*y^5*z + 96*z^2 - 288*y*z^2 - 144*y^2*z^2 + 1191*y^3*z^2 - 963*y^4*z^2 + 108*y^5*z^2 - 90*z^3 + 102*y*z^3 + 1518*y^2*z^3 - 2101*y^3*z^3 + 630*y^4*z^3 - 480*z^4 + 1767*y*z^4 - 2871*y^2*z^4 + 880*y^3*z^4 + 1152*z^5 - 2565*y*z^5 + 1452*y^2*z^5 - 920*z^6 + 1002*y*z^6 + 254*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, -y, z] + (((-1/2*I)*(-1 + z)*z*(-1 + 2*y + z)*(-2 - 3*y + 11*y^2 + 4*z + 3*y*z - 2*z^2))/(y^2*(-1 + y + z)^2) + (2*Pi*(-1 + z)*z*(2 - 6*y + 6*y^2 + 9*y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3))/(3*y^2*(-1 + y + z)^2))* G[1, 1, 0, z] + ((4*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(3*y^2*(-1 + y + z)^2) + ((I/36)*(-1 + z)*(-8 + 6*y - 24*y^2 + 119*y^3 - 135*y^4 + 54*y^5 + 60*z - 42*y*z - 48*y^2*z + 78*y^3*z - 135*y^4*z + 108*y^5*z - 96*z^2 + 90*y*z^2 - 102*y^2*z^2 - 105*y^3*z^2 + 270*y^4*z^2 + 48*z^3 - 126*y*z^3 - 192*y^2*z^3 + 556*y^3*z^3 - 48*z^4 + 120*y*z^4 + 366*y^2*z^4 + 84*z^5 - 48*y*z^5 - 40*z^6))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, 0, z] + (-1/3*(Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2* z - 6*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 18*y^3* z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5))/(y^2*(-1 + y + z)^2) - ((I/36)*(8 - 33*y + 87*y^2 - 191*y^3 + 171*y^4 - 54*y^5 - 20*z + 15*y*z - 42*y^2*z + 221*y^3*z - 54*y^4*z - 54*y^5*z + 96*z^2 - 288*y*z^2 - 144*y^2*z^2 + 1191*y^3*z^2 - 963*y^4*z^2 + 108*y^5*z^2 - 90*z^3 + 102*y*z^3 + 1518*y^2*z^3 - 2101*y^3*z^3 + 630*y^4*z^3 - 480*z^4 + 1767*y*z^4 - 2871*y^2*z^4 + 880*y^3*z^4 + 1152*z^5 - 2565*y*z^5 + 1452*y^2*z^5 - 920*z^6 + 1002*y*z^6 + 254*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, -y, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/18)*(66*y^3 - 132*y^4 + 66*y^5 + 87*y^2*z - 102*y^3*z - 117*y^4*z + 132*y^5*z + 271*y*z^2 - 512*y^2*z^2 - 137*y^3*z^2 + 240*y^4*z^2 + 190*z^3 - 1112*y*z^3 + 887*y^2*z^3 + 26*y^3*z^3 - 570*z^4 + 1411*y*z^4 - 462*y^2*z^4 + 570*z^5 - 570*y*z^5 - 190*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 0, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/12)*(62*y^3 - 124*y^4 + 62*y^5 + 103*y^2*z - 110*y^3*z - 117*y^4*z + 124*y^5*z + 239*y*z^2 - 548*y^2*z^2 + 21*y^3*z^2 + 262*y^4*z^2 + 138*z^3 - 976*y*z^3 + 1021*y^2*z^3 - 78*y^3*z^3 - 414*z^4 + 1235*y*z^4 - 576*y^2*z^4 + 414*z^5 - 498*y*z^5 - 138*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 0, 1 - y, z] + ((Pi*(-1 + y + z)*(7*y^3 + 14*y^3*z + 3*y*z^2 - 2*z^3 + 2*z^4))/ (3*y^2*z^2) - ((I/36)*(36*y^3 - 128*y^4 + 152*y^5 - 48*y^6 - 28*y^7 + 16*y^8 - 302*y^3*z + 1748*y^4*z - 4514*y^5*z + 6074*y^6*z - 4088*y^7*z + 1082*y^8*z + 36*y*z^2 - 3*y^2*z^2 + 1194*y^3*z^2 - 6692*y^4*z^2 + 13234*y^5*z^2 - 11369*y^6*z^2 + 3600*y^7*z^2 + 72*z^3 + 1033*y*z^3 - 5290*y^2*z^3 + 6438*y^3*z^3 + 2288*y^4*z^3 - 7727*y^5*z^3 + 3186*y^6*z^3 + 550*z^4 - 6346*y*z^4 + 17107*y^2*z^4 - 17216*y^3*z^4 + 5679*y^4*z^4 - 80*y^5*z^4 - 2082*z^5 + 10981*y*z^5 - 18842*y^2*z^5 + 12403*y^3*z^5 - 2766*y^4*z^5 + 2226*z^6 - 7236*y*z^6 + 7794*y^2*z^6 - 2784*y^3*z^6 - 766*z^7 + 1532*y*z^7 - 766*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)* (y + z)))*G[1 - y, 0, -y, z] + ((4*Pi*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 3*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3))/(3*y^2*(-1 + y + z)^2) + ((I/36)*(-8*y + 41*y^2 - 84*y^3 + 113*y^4 - 158*y^5 + 174*y^6 - 104*y^7 + 26*y^8 - 8*z + 61*y*z - 155*y^2*z + 266*y^3*z - 418*y^4*z + 380*y^5*z - 74*y^6*z - 104*y^7*z + 52*y^8*z + 20*z^2 - 95*y*z^2 + 171*y^2*z^2 - 362*y^3*z^2 + 368*y^4*z^2 + 192*y^5*z^2 - 502*y^6*z^2 + 208*y^7*z^2 - 24*z^3 + 48*y*z^3 + 120*y^2*z^3 - 828*y^3*z^3 + 1412*y^4*z^3 - 1058*y^5*z^3 + 330*y^6*z^3 + 54*z^4 + 102*y*z^4 - 1455*y^2*z^4 + 3362*y^3*z^4 - 2683*y^4*z^4 + 644*y^5*z^4 - 96*z^5 - 393*y*z^5 + 2583*y^2*z^5 - 3320*y^3*z^5 + 1250*y^4*z^5 + 72*z^6 + 455*y*z^6 - 1493*y^2*z^6 + 966*y^3*z^6 - 16*z^7 - 172*y*z^7 + 188*y^2*z^7 - 2*z^8 + 2*y*z^8))/((-1 + y)*y^2*z^2* (-1 + y + z)^2*(y + z)))*G[1 - y, 1, 0, z] + ((-12*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/12)*(62*y^3 - 124*y^4 + 62*y^5 + 103*y^2*z - 110*y^3*z - 117*y^4*z + 124*y^5*z + 239*y*z^2 - 548*y^2*z^2 + 21*y^3*z^2 + 262*y^4*z^2 + 138*z^3 - 976*y*z^3 + 1021*y^2*z^3 - 78*y^3*z^3 - 414*z^4 + 1235*y*z^4 - 576*y^2*z^4 + 414*z^5 - 498*y*z^5 - 138*z^6))/(y^2*z*(-1 + y + z)*(y + z)))*G[1 - y, 1 - y, 0, z] - ((I/3)*(-17*y + 17*y^2 + 34*z + 3*y*z + 34*y^2*z - 68*z^2 + 14*y*z^2 + 34*z^3)*G[1 - y, 1 - y, 1 - y, z])/(y*z) + ((Pi*(-1 + y + z)*(y^3 + 2*y^3*z + y*z^2 - 2*z^3 + 2*z^4))/ (y^2*z^2) + ((I/36)*(8*y - 14*y^2 + 30*y^3 - 300*y^4 + 900*y^5 - 1158*y^6 + 694*y^7 - 160*y^8 + 8*z - 74*y*z + 140*y^2*z - 654*y^3*z + 2784*y^4*z - 5556*y^5*z + 5734*y^6*z - 3052*y^7*z + 670*y^8*z - 60*z^2 + 170*y*z^2 - 481*y^2*z^2 + 2816*y^3*z^2 - 7558*y^4*z^2 + 10070*y^5*z^2 - 6925*y^6*z^2 + 1968*y^7*z^2 + 24*z^3 - 517*y*z^3 + 3046*y^2*z^3 - 6936*y^3*z^3 + 9268*y^4*z^3 - 6871*y^5*z^3 + 1986*y^6*z^3 - 462*z^4 + 3872*y*z^4 - 9765*y^2*z^4 + 11378*y^3*z^4 - 6705*y^4*z^4 + 1376*y^5*z^4 + 1722*z^5 - 7891*y*z^5 + 12242*y^2*z^5 - 8365*y^3*z^5 + 1986*y^4*z^5 - 1902*z^6 + 5772*y*z^6 - 5838*y^2*z^6 + 1968*y^3*z^6 + 670*z^7 - 1340*y*z^7 + 670*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)))* G[1 - y, 1 - y, -y, z] + ((4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/36)*(12*y - 51*y^2 + 96*y^3 - 55*y^4 - 134*y^5 + 300*y^6 - 228*y^7 + 60*y^8 + 12*z - 105*y*z + 285*y^2*z - 466*y^3*z + 578*y^4*z - 580*y^5*z + 576*y^6*z - 444*y^7*z + 144*y^8*z - 54*z^2 + 309*y*z^2 - 741*y^2*z^2 + 1216*y^3*z^2 - 1456*y^4*z^2 + 1356*y^5*z^2 - 942*y^6*z^2 + 312*y^7*z^2 + 120*z^3 - 720*y*z^3 + 1860*y^2*z^3 - 2286*y^3*z^3 + 1078*y^4*z^3 + 8*y^5*z^3 - 60*y^6*z^3 - 366*z^4 + 2232*y*z^4 - 4812*y^2*z^4 + 3982*y^3*z^4 - 752*y^4*z^4 - 308*y^5*z^4 + 900*z^5 - 4254*y*z^5 + 6618*y^2*z^5 - 3856*y^3*z^5 + 568*y^4*z^5 - 1152*z^6 + 3874*y*z^6 - 4018*y^2*z^6 + 1296*y^3*z^6 + 712*z^7 - 1532*y*z^7 + 820*y^2*z^7 - 172*z^8 + 172*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[1 - y, -y, 0, z] + ((16*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/36)*(8*y - 14*y^2 - 6*y^3 - 225*y^4 + 960*y^5 - 1428*y^6 + 934*y^7 - 229*y^8 + 8*z - 74*y*z + 140*y^2*z - 759*y^3*z + 3114*y^4*z - 5700*y^5*z + 5236*y^6*z - 2419*y^7*z + 454*y^8*z - 60*z^2 + 206*y*z^2 - 451*y^2*z^2 + 2222*y^3*z^2 - 5695*y^4*z^2 + 7112*y^5*z^2 - 4588*y^6*z^2 + 1254*y^7*z^2 + 96*z^3 - 451*y*z^3 + 1444*y^2*z^3 - 2721*y^3*z^3 + 4120*y^4*z^3 - 3634*y^5*z^3 + 1146*y^6*z^3 - 462*z^4 + 2630*y*z^4 - 5289*y^2*z^4 + 5408*y^3*z^4 - 3285*y^4*z^4 + 692*y^5*z^4 + 1290*z^5 - 5317*y*z^5 + 7550*y^2*z^5 - 4975*y^3*z^5 + 1146*y^4*z^5 - 1326*z^6 + 3906*y*z^6 - 3834*y^2*z^6 + 1254*y^3*z^6 + 454*z^7 - 908*y*z^7 + 454*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)* (y + z)))*G[1 - y, -y, 1 - y, z] + ((-8*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/36)*(-4 + 20*y - 40*y^2 - 153*y^3 + 951*y^4 - 1935*y^5 + 1929*y^6 - 960*y^7 + 192*y^8 + 16*z - 56*y*z + 214*y^2*z - 633*y^3*z + 1398*y^4*z - 2451*y^5*z + 2826*y^6*z - 1746*y^7*z + 432*y^8*z - 24*z^2 - 213*y*z^2 + 891*y^2*z^2 - 324*y^3*z^2 - 3090*y^4*z^2 + 6027*y^5*z^2 - 4497*y^6*z^2 + 1230*y^7*z^2 + 462*z^3 - 1383*y*z^3 + 1080*y^2*z^3 - 600*y^3*z^3 + 2214*y^4*z^3 - 2805*y^5*z^3 + 1032*y^6*z^3 - 1764*z^4 + 6474*y*z^4 - 8700*y^2*z^4 + 5913*y^3*z^4 - 2391*y^4*z^4 + 468*y^5*z^4 + 2610*z^5 - 8652*y*z^5 + 10326*y^2*z^5 - 5469*y^3*z^5 + 1032*y^4*z^5 - 1728*z^6 + 4686*y*z^6 - 4188*y^2*z^6 + 1230*y^3*z^6 + 432*z^7 - 864*y*z^7 + 432*y^2*z^7))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2))* G[1 - y, -y, -y, z] + ((2*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) - ((I/18)*(-11*y^4 + 21*y^5 - 12*y^6 + 2*y^7 + 67*y^3*z - 211*y^4*z + 252*y^5*z - 106*y^6*z + 10*y^7*z + 102*y^2*z^2 - 310*y^3*z^2 + 237*y^4*z^2 + 84*y^5*z^2 - 104*y^6*z^2 + 112*y*z^3 - 474*y^2*z^3 + 120*y^3*z^3 + 756*y^4*z^3 - 453*y^5*z^3 + 52*z^4 - 562*y*z^4 + 789*y^2*z^4 + 522*y^3*z^4 - 633*y^4*z^4 - 166*z^5 + 834*y*z^5 - 444*y^2*z^5 - 297*y^3*z^5 + 192*z^6 - 500*y*z^6 + 93*y^2*z^6 - 98*z^7 + 116*y*z^7 + 20*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))* G[-y, 0, 0, z] + (-1/3*(Pi*(-1 + y + z)*(9*y^3 + 18*y^3*z + 16* z^3 - 16*z^4))/(y^2*z^2) + ((I/36)*(-7*y^4 + 3*y^5 - 12*y^6 + 4*y^7 - 121*y^3*z + 184*y^4*z + 36*y^5*z - 182*y^6*z + 62*y^7*z - 207*y^2*z^2 + 442*y^3*z^2 + 360*y^4*z^2 - 1062*y^5*z^2 + 422*y^6*z^2 - 539*y*z^3 + 2028*y^2*z^3 - 1446*y^3*z^3 - 1092*y^4*z^3 + 972*y^5*z^3 - 374*z^4 + 3299*y*z^4 - 6102*y^2*z^4 + 2736*y^3*z^4 + 444*y^4*z^4 + 1532*z^5 - 6678*y*z^5 + 7002*y^2*z^5 - 1554*y^3*z^5 - 2334*z^6 + 5618*y*z^6 - 2682*y^2*z^6 + 1568*z^7 - 1688*y*z^7 - 392*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))* G[-y, 0, 1 - y, z] + (-1/3*(Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 - 22*z^3 + 22* z^4))/(y^2*z^2) + ((I/36)*(24*y^4 - 18*y^5 + 2*y^7 + 144*y^3*z - 498*y^4*z + 462*y^5*z - 154*y^6*z + 16*y^7*z + 387*y^2*z^2 - 1209*y^3*z^2 + 864*y^4*z^2 + 108*y^5*z^2 - 206*y^6*z^2 + 519*y*z^3 - 2490*y^2*z^3 + 2334*y^3*z^3 + 600*y^4*z^3 - 750*y^5*z^3 + 144*z^4 - 2337*y*z^4 + 4752*y^2*z^4 - 1158*y^3*z^4 - 816*y^4*z^4 - 576*z^5 + 3648*y*z^5 - 3426*y^2*z^5 + 96*y^3*z^5 + 828*z^6 - 2456*y*z^6 + 894*y^2*z^6 - 524*z^7 + 638*y*z^7 + 128*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 0, -y, z] + (-1/3*(Pi*(-1 + y + z)*(9*y^3 + 18*y^3*z + 16*z^3 - 16*z^4))/ (y^2*z^2) + ((I/36)*(-7*y^4 + 3*y^5 - 12*y^6 + 4*y^7 - 121*y^3*z + 184*y^4*z + 36*y^5*z - 182*y^6*z + 62*y^7*z - 207*y^2*z^2 + 442*y^3*z^2 + 360*y^4*z^2 - 1062*y^5*z^2 + 422*y^6*z^2 - 539*y*z^3 + 2028*y^2*z^3 - 1446*y^3*z^3 - 1092*y^4*z^3 + 972*y^5*z^3 - 374*z^4 + 3299*y*z^4 - 6102*y^2*z^4 + 2736*y^3*z^4 + 444*y^4*z^4 + 1532*z^5 - 6678*y*z^5 + 7002*y^2*z^5 - 1554*y^3*z^5 - 2334*z^6 + 5618*y*z^6 - 2682*y^2*z^6 + 1568*z^7 - 1688*y*z^7 - 392*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 1 - y, 0, z] + ((6*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(y^2*z^2) + ((I/4)*(27*y^3 - 27*y^4 + 42*y^2*z - 73*y^3*z + 46*y^4*z - 13*y*z^2 + y^2*z^2 + 30*y^3*z^2 + 46*z^3 - 17*y*z^3 - 4*y^2*z^3 - 92*z^4 + 30*y*z^4 + 46*z^5))/(y^2*z^2))* G[-y, 1 - y, 1 - y, z] + ((Pi*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4))/ (3*y^2*z^2) + ((I/36)*(-38*y^3 + 228*y^4 - 282*y^5 + 104*y^6 + 90*y^2*z - 166*y^3*z - 30*y^4*z - 162*y^5*z + 178*y^6*z - 108*y*z^2 + 252*y^2*z^2 - 303*y^3*z^2 - 315*y^4*z^2 + 480*y^5*z^2 + 70*z^3 + 210*y*z^3 - 822*y^2*z^3 + 433*y^3*z^3 + 318*y^4*z^3 - 436*z^4 + 573*y*z^4 - 9*y^2*z^4 + 32*y^3*z^4 + 840*z^5 - 1143*y*z^5 + 318*y^2*z^5 - 652*z^6 + 480*y*z^6 + 178*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[-y, 1 - y, -y, z] + (-1/3*(Pi*(-1 + y + z)*(11*y^3 + 22*y^3*z - 4*z^3 + 4*z^4))/ (y^2*z^2) + ((I/12)*(-7*y^4 + 7*y^5 + 21*y^3*z - 104*y^4*z + 36*y^5*z + 24*y^2*z^2 - 45*y^3*z^2 - 6*y^4*z^2 + 20*y*z^3 + 16*y^2*z^3 - 90*y^3*z^3 + 12*z^4 - 74*y*z^4 - 6*y^2*z^4 - 24*z^5 + 54*y*z^5 + 12*z^6))/(y^2*z^2*(y + z)))* G[-y, -y, 0, z] + ((Pi*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4))/(3*y^2*z^2) + ((I/36)*(-136*y^3 + 390*y^4 - 399*y^5 + 133*y^6 + 234*y^2*z - 296*y^3*z + 132*y^4*z - 315*y^5*z + 236*y^6*z - 312*y*z^2 + 516*y^2*z^2 - 312*y^3*z^2 - 594*y^4*z^2 + 666*y^5*z^2 + 218*z^3 + 294*y*z^3 - 1218*y^2*z^3 + 494*y^3*z^3 + 540*y^4*z^3 - 908*z^4 + 1023*y*z^4 - 99*y^2*z^4 + 220*y^3*z^4 + 1398*z^5 - 1683*y*z^5 + 540*y^2*z^5 - 944*z^6 + 666*y*z^6 + 236*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[-y, -y, 1 - y, z] + ((Pi*(-1 + y + z)*(7*y^3 + 14*y^3*z - y*z^2 - 14*z^3 + 14*z^4))/ (y^2*z^2) - ((I/12)*(-47*y^3 + 179*y^4 - 197*y^5 + 69*y^6 - 61*y^3*z + 212*y^4*z - 361*y^5*z + 180*y^6*z + 5*y*z^2 - 31*y^2*z^2 + 425*y^3*z^2 - 923*y^4*z^2 + 526*y^5*z^2 + 144*z^3 - 419*y*z^3 + 424*y^2*z^3 - 607*y^3*z^3 + 484*y^4*z^3 - 628*z^4 + 1412*y*z^4 - 934*y^2*z^4 + 276*y^3*z^4 + 1004*z^5 - 1520*y*z^5 + 484*y^2*z^5 - 700*z^6 + 526*y*z^6 + 180*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[-y, -y, -y, z] - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, 1 - y, z])/y^2 - ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 48*y^3*z^2 - 54*y^4*z^2 + 24*y^5*z^2 + 46*z^3 - 165*y*z^3 + 192*y^2*z^3 - 94*y^3*z^3 + 24*y^4*z^3 - 184*z^4 + 441*y*z^4 - 303*y^2*z^4 + 46*y^3*z^4 + 276*z^5 - 423*y*z^5 + 138*y^2*z^5 - 184*z^6 + 138*y*z^6 + 46*z^7)* G[0, 0, 0, -y, z])/(y^2*z^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[0, 0, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, 1 - y, z])/y^2 + ((I/6)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 54*y^3*z^2 - 72*y^4*z^2 + 36*y^5*z^2 + 110*z^3 - 357*y*z^3 + 384*y^2*z^3 - 160*y^3*z^3 + 36*y^4*z^3 - 440*z^4 + 1017*y*z^4 - 687*y^2*z^4 + 106*y^3*z^4 + 660*z^5 - 999*y*z^5 + 330*y^2*z^5 - 440*z^6 + 330*y*z^6 + 110*z^7)*G[0, 0, 1 - y, -y, z])/(y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 6*z^3 + 6*z^4)* G[0, 0, -y, 0, z])/(y^2*z^2) + ((I/6)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 51*y^3*z^2 - 69*y^4*z^2 + 36*y^5*z^2 + 114*z^3 - 369*y*z^3 + 396*y^2*z^3 - 85*y^3*z^3 + 36*y^4*z^3 - 456*z^4 + 1053*y*z^4 - 711*y^2*z^4 + 34*y^3*z^4 + 684*z^5 - 1035*y*z^5 + 342*y^2*z^5 - 456*z^6 + 342*y*z^6 + 114*z^7)*G[0, 0, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z - 3*y*z^2 + 9*y^2*z^2 - 3*y^3*z^2 - 15*y^4*z^2 + 12*y^5*z^2 - 18*z^3 + 63*y*z^3 - 72*y^2*z^3 + 7*y^3*z^3 + 12*y^4*z^3 + 72*z^4 - 171*y*z^4 + 117*y^2*z^4 - 4*y^3*z^4 - 108*z^5 + 165*y*z^5 - 54*y^2*z^5 + 72*z^6 - 54*y*z^6 - 18*z^7)*G[0, 0, -y, -y, z])/(y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 13*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)*G[0, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(3 - 9*y + 9*y^2 + y^3 - 9*z + 18*y*z - 9*y^2*z + 9*z^2 - 9*y*z^2 - 3*z^3)* G[0, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 24*z + 81*y*z - 90*y^2*z - 4*y^3*z + 96*z^2 - 225*y*z^2 + 153*y^2*z^2 + 16*y^3*z^2 - 144*z^3 + 219*y*z^3 - 72*y^2*z^3 + 96*z^4 - 72*y*z^4 - 24*z^5)* G[0, 1, 0, -y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(2 - 6*y + 6*y^2 + 9*y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3)*G[0, 1, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(3 - 9*y + 9*y^2 + y^3 - 9*z + 18*y*z - 9*y^2*z + 9*z^2 - 9*y*z^2 - 3*z^3)* G[0, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 24*z + 81*y*z - 90*y^2*z - 4*y^3*z + 96*z^2 - 225*y*z^2 + 153*y^2*z^2 + 16*y^3*z^2 - 144*z^3 + 219*y*z^3 - 72*y^2*z^3 + 96*z^4 - 72*y*z^4 - 24*z^5)* G[0, 1, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, 1 - y, z])/y^2 - ((I/6)*(-7*y^3 + 21*y^4 - 21*y^5 + 7*y^6 + 7*y^3*z - 21*y^5*z + 14*y^6*z - 6*y*z^2 + 18*y^2*z^2 - 6*y^3*z^2 - 48*y^4*z^2 + 42*y^5*z^2 - 92*z^3 + 294*y*z^3 - 312*y^2*z^3 - 22*y^3*z^3 + 42*y^4*z^3 + 368*z^4 - 846*y*z^4 + 570*y^2*z^4 + 28*y^3*z^4 - 552*z^5 + 834*y*z^5 - 276*y^2*z^5 + 368*z^6 - 276*y*z^6 - 92*z^7)* G[0, 1 - y, 0, -y, z])/(y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 7*z^3 + 21*y*z^3 - 21*y^2*z^3 + y^3*z^3 + 6*y^4*z^3 + 28*z^4 - 63*y*z^4 + 42*y^2*z^4 - 4*y^3*z^4 - 42*z^5 + 63*y*z^5 - 21*y^2*z^5 + 28*z^6 - 21*y*z^6 - 7*z^7)*G[0, 1 - y, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, 1 - y, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z* (-1 + y + z)*G[0, 1 - y, 1 - y, 1 - y, z])/y^2 + ((I/6)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z - 9*y*z^2 + 27*y^2*z^2 - 33*y^3*z^2 + 9*y^4*z^2 + 6*y^5*z^2 - 22*z^3 + 93*y*z^3 - 120*y^2*z^3 - 61*y^3*z^3 + 6*y^4*z^3 + 88*z^4 - 225*y*z^4 + 159*y^2*z^4 + 94*y^3*z^4 - 132*z^5 + 207*y*z^5 - 66*y^2*z^5 + 88*z^6 - 66*y*z^6 - 22*z^7)* G[0, 1 - y, 1 - y, -y, z])/(y^2*z^2*(-1 + y + z)^2) - (((2*I)/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y^3*z^2 - 18*y^4*z^2 + 12*y^5*z^2 - 7*z^3 + 21*y*z^3 - 21*y^2*z^3 - 2*y^3*z^3 + 12*y^4*z^3 + 28*z^4 - 63*y*z^4 + 42*y^2*z^4 - 4*y^3*z^4 - 42*z^5 + 63*y*z^5 - 21*y^2*z^5 + 28*z^6 - 21*y*z^6 - 7*z^7)*G[0, 1 - y, -y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 39*y^3*z^2 - 63*y^4*z^2 + 36*y^5*z^2 + 18*z^3 - 72*y*z^3 + 90*y^2*z^3 - 23*y^3*z^3 + 36*y^4*z^3 - 72*z^4 + 180*y*z^4 - 126*y^2*z^4 - 16*y^3*z^4 + 108*z^5 - 168*y*z^5 + 54*y^2*z^5 - 72*z^6 + 54*y*z^6 + 18*z^7)*G[0, 1 - y, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-8*y^3 + 24*y^4 - 24*y^5 + 8*y^6 + 8*y^3*z - 24*y^5*z + 16*y^6*z - 9*y*z^2 + 27*y^2*z^2 - 3*y^3*z^2 - 63*y^4*z^2 + 48*y^5*z^2 - 66*z^3 + 225*y*z^3 - 252*y^2*z^3 + 31*y^3*z^3 + 48*y^4*z^3 + 264*z^4 - 621*y*z^4 + 423*y^2*z^4 - 28*y^3*z^4 - 396*z^5 + 603*y*z^5 - 198*y^2*z^5 + 264*z^6 - 198*y*z^6 - 66*z^7)*G[0, 1 - y, -y, -y, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 12*y^3*z^2 - 36*y^4*z^2 + 24*y^5*z^2 - 2*z^3 + 6*y*z^3 - 6*y^2*z^3 - 9*y^3*z^3 + 24*y^4*z^3 + 8*z^4 - 18*y*z^4 + 12*y^2*z^4 - 3*y^3*z^4 - 12*z^5 + 18*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7)* G[0, -y, 0, 0, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 + 16*z^3 - 48*y*z^3 + 48*y^2*z^3 - 33*y^3*z^3 + 30*y^4*z^3 - 64*z^4 + 144*y*z^4 - 96*y^2*z^4 + 18*y^3*z^4 + 96*z^5 - 144*y*z^5 + 48*y^2*z^5 - 64*z^6 + 48*y*z^6 + 16*z^7)*G[0, -y, 0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/2)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 13*y^3*z^2 - 37*y^4*z^2 + 24*y^5*z^2 + 4*z^3 - 12*y*z^3 + 12*y^2*z^3 - 13*y^3*z^3 + 24*y^4*z^3 - 16*z^4 + 36*y*z^4 - 24*y^2*z^4 + 24*z^5 - 36*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7)*G[0, -y, 0, -y, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 15*y^3*z^2 - 45*y^4*z^2 + 30*y^5*z^2 + 16*z^3 - 48*y*z^3 + 48*y^2*z^3 - 33*y^3*z^3 + 30*y^4*z^3 - 64*z^4 + 144*y*z^4 - 96*y^2*z^4 + 18*y^3*z^4 + 96*z^5 - 144*y*z^5 + 48*y^2*z^5 - 64*z^6 + 48*y*z^6 + 16*z^7)* G[0, -y, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-1 + y + z)*(10*y^3 + 20*y^3*z - 9*y*z^2 - 2*z^3 + 2*z^4)* G[0, -y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/6)*(5*y^3 - 10*y^4 + 5*y^5 - 10*y^4*z + 10*y^5*z - 3*y*z^2 + 6*y^2*z^2 - 15*y^3*z^2 + 20*y^4*z^2 - 42*z^3 + 90*y*z^3 - 48*y^2*z^3 + 10*y^3*z^3 + 126*z^4 - 171*y*z^4 + 42*y^2*z^4 - 126*z^5 + 84*y*z^5 + 42*z^6)*G[0, -y, 1 - y, -y, z])/ (y^2*z^2*(-1 + y + z)) + ((I/6)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 8*z^3 - 8*z^4)*G[0, -y, -y, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(y^3 + 2*y^3*z - 3*y*z^2 - 50*z^3 + 50*z^4)* G[0, -y, -y, 1 - y, z])/(y^2*z^2) - ((I/6)*(17*y^3 - 34*y^4 + 17*y^5 - 34*y^4*z + 34*y^5*z + 6*y*z^2 - 12*y^2*z^2 - 48*y^3*z^2 + 68*y^4*z^2 + 60*z^3 - 132*y*z^3 + 72*y^2*z^3 + 34*y^3*z^3 - 180*z^4 + 246*y*z^4 - 60*y^2*z^4 + 180*z^5 - 120*y*z^5 - 60*z^6)*G[0, -y, -y, -y, z])/ (y^2*z^2*(-1 + y + z)) + ((I/3)*(-1 + z)*z*(-20 + 60*y - 60*y^2 + 51*y^3 + 60*z - 120*y*z + 60*y^2*z - 60*z^2 + 60*y*z^2 + 20*z^3)* G[1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 17*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)*G[1, 0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 42*z + 135*y*z - 144*y^2*z + 116*y^3*z + 168*z^2 - 387*y*z^2 + 261*y^2*z^2 - 104*y^3*z^2 - 252*z^3 + 381*y*z^3 - 126*y^2*z^3 + 168*z^4 - 126*y*z^4 - 42*z^5)*G[1, 0, 0, -y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-8 + 24*y - 24*y^2 + 3*y^3 + 24*z - 48*y*z + 24*y^2*z - 24*z^2 + 24*y*z^2 + 8*z^3)* G[1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 17*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)*G[1, 0, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 0, 1 - y, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 22*z + 75*y*z - 84*y^2*z - 19*y^3*z + 88*z^2 - 207*y*z^2 + 141*y^2*z^2 + 31*y^3*z^2 - 132*z^3 + 201*y*z^3 - 66*y^2*z^3 + 88*z^4 - 66*y*z^4 - 22*z^5)*G[1, 0, 1 - y, -y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)* G[1, 0, -y, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 28*z + 93*y*z - 102*y^2*z - 6*y^3*z + 112*z^2 - 261*y*z^2 + 177*y^2*z^2 + 18*y^3*z^2 - 168*z^3 + 255*y*z^3 - 84*y^2*z^3 + 112*z^4 - 84*y*z^4 - 28*z^5)* G[1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z - 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 24*y^3*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)* G[1, 0, -y, -y, z])/(y^2*(-1 + y + z)^2) + (((26*I)/3)*y*(-1 + z)*z*G[1, 1, 0, 0, z])/(-1 + y + z)^2 + (((2*I)/3)*(-1 + z)*z*(4 - 12*y + 12*y^2 + 9*y^3 - 12*z + 24*y*z - 12*y^2*z + 12*z^2 - 12*y*z^2 - 4*z^3)*G[1, 1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-6*y + 18*y^2 - 24*y^3 + 12*y^4 - 38*z + 132*y*z - 150*y^2*z + 33*y^3*z + 152*z^2 - 360*y*z^2 + 246*y^2*z^2 - 9*y^3*z^2 - 228*z^3 + 348*y*z^3 - 114*y^2*z^3 + 152*z^4 - 114*y*z^4 - 38*z^5)*G[1, 1, 0, -y, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(2 - 6*y + 6*y^2 + 9*y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3)* G[1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(4 - 12*y + 12*y^2 + 9*y^3 - 12*z + 24*y*z - 12*y^2*z + 12*z^2 - 12*y*z^2 - 4*z^3)*G[1, 1, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-6*y + 18*y^2 - 24*y^3 + 12*y^4 - 38*z + 132*y*z - 150*y^2*z + 33*y^3*z + 152*z^2 - 360*y*z^2 + 246*y^2*z^2 - 9*y^3*z^2 - 228*z^3 + 348*y*z^3 - 114*y^2*z^3 + 152*z^4 - 114*y*z^4 - 38*z^5)*G[1, 1, 1 - y, -y, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-6 + 18*y - 18*y^2 + 17*y^3 + 18*z - 36*y*z + 18*y^2*z - 18*z^2 + 18*y*z^2 + 6*z^3)* G[1, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[1, 1 - y, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 22*z + 75*y*z - 84*y^2*z - 19*y^3*z + 88*z^2 - 207*y*z^2 + 141*y^2*z^2 + 31*y^3*z^2 - 132*z^3 + 201*y*z^3 - 66*y^2*z^3 + 88*z^4 - 66*y*z^4 - 22*z^5)* G[1, 1 - y, 0, -y, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(10 - 30*y + 30*y^2 + 31*y^3 - 30*z + 60*y*z - 30*y^2*z + 30*z^2 - 30*y*z^2 - 10*z^3)*G[1, 1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[1, 1 - y, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z - 19*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 + 31*y^3*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)*G[1, 1 - y, 1 - y, -y, z])/ (y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)* G[1, 1 - y, -y, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 28*z + 93*y*z - 102*y^2*z - 6*y^3*z + 112*z^2 - 261*y*z^2 + 177*y^2*z^2 + 18*y^3*z^2 - 168*z^3 + 255*y*z^3 - 84*y^2*z^3 + 112*z^4 - 84*y*z^4 - 28*z^5)* G[1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 + 2*z + 3*y*z - 12*y^2*z - 12*y^3*z - 8*z^2 + 9*y*z^2 - 3*y^2*z^2 + 24*y^3*z^2 + 12*z^3 - 15*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)* G[1, 1 - y, -y, -y, z])/(y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, 1 - y, z])/y^2 + ((I/6)*(-26*y^3 + 78*y^4 - 78*y^5 + 26*y^6 + 26*y^3*z - 78*y^5*z + 52*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 102*y^3*z^2 - 240*y^4*z^2 + 156*y^5*z^2 + 110*z^3 - 357*y*z^3 + 384*y^2*z^3 - 288*y^3*z^3 + 156*y^4*z^3 - 440*z^4 + 1017*y*z^4 - 687*y^2*z^4 + 186*y^3*z^4 + 660*z^5 - 999*y*z^5 + 330*y^2*z^5 - 440*z^6 + 330*y*z^6 + 110*z^7)*G[1 - y, 0, 0, -y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 14*z^3 + 42*y*z^3 - 42*y^2*z^3 + 17*y^3*z^3 + 6*y^4*z^3 + 56*z^4 - 126*y*z^4 + 84*y^2*z^4 - 20*y^3*z^4 - 84*z^5 + 126*y*z^5 - 42*y^2*z^5 + 56*z^6 - 42*y*z^6 - 14*z^7)*G[1 - y, 0, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 1 - y, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z* (-1 + y + z)*G[1 - y, 0, 1 - y, 1 - y, z])/y^2 - ((I/6)*(-28*y^3 + 84*y^4 - 84*y^5 + 28*y^6 + 28*y^3*z - 84*y^5*z + 56*y^6*z + 12*y*z^2 - 36*y^2*z^2 + 117*y^3*z^2 - 261*y^4*z^2 + 168*y^5*z^2 + 40*z^3 - 156*y*z^3 + 192*y^2*z^3 - 237*y^3*z^3 + 168*y^4*z^3 - 160*z^4 + 396*y*z^4 - 276*y^2*z^4 + 120*y^3*z^4 + 240*z^5 - 372*y*z^5 + 120*y^2*z^5 - 160*z^6 + 120*y*z^6 + 40*z^7)* G[1 - y, 0, 1 - y, -y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 14*z^3 - 42*y*z^3 + 42*y^2*z^3 - 23*y^3*z^3 + 6*y^4*z^3 - 56*z^4 + 126*y*z^4 - 84*y^2*z^4 + 20*y^3*z^4 + 84*z^5 - 126*y*z^5 + 42*y^2*z^5 - 56*z^6 + 42*y*z^6 + 14*z^7)*G[1 - y, 0, -y, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + y + z)* (4*y^3 + 8*y^3*z + 3*y*z^2 + 9*z^3 - 9*z^4)*G[1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 9*y*z^2 + 66*z^3 - 66*z^4)*G[1 - y, 0, -y, -y, z])/(y^2*z^2) + ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y^3*z^2 - 18*y^4*z^2 + 12*y^5*z^2 + 8*z^3 - 24*y*z^3 + 24*y^2*z^3 - 13*y^3*z^3 + 12*y^4*z^3 - 32*z^4 + 72*y*z^4 - 48*y^2*z^4 + 7*y^3*z^4 + 48*z^5 - 72*y*z^5 + 24*y^2*z^5 - 32*z^6 + 24*y*z^6 + 8*z^7)*G[1 - y, 1, 0, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 25*y^3*z^3 + 54*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 2*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)* G[1 - y, 1, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 69*y^3*z^2 - 93*y^4*z^2 + 54*y^5*z^2 + 110*z^3 - 375*y*z^3 + 420*y^2*z^3 - 221*y^3*z^3 + 54*y^4*z^3 - 440*z^4 + 1035*y*z^4 - 705*y^2*z^4 + 152*y^3*z^4 + 660*z^5 - 1005*y*z^5 + 330*y^2*z^5 - 440*z^6 + 330*y*z^6 + 110*z^7)*G[1 - y, 1, 0, -y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-1 + z)*z*(-4 + 12*y - 12*y^2 + 15*y^3 + 12*z - 24*y*z + 12*y^2*z - 12*z^2 + 12*y*z^2 + 4*z^3)*G[1 - y, 1, 1, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 25*y^3*z^3 + 54*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 2*y^3*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)* G[1 - y, 1, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 15*y*z^2 - 45*y^2*z^2 + 69*y^3*z^2 - 93*y^4*z^2 + 54*y^5*z^2 + 110*z^3 - 375*y*z^3 + 420*y^2*z^3 - 221*y^3*z^3 + 54*y^4*z^3 - 440*z^4 + 1035*y*z^4 - 705*y^2*z^4 + 152*y^3*z^4 + 660*z^5 - 1005*y*z^5 + 330*y^2*z^5 - 440*z^6 + 330*y*z^6 + 110*z^7)*G[1 - y, 1, 1 - y, -y, z])/(y^2*z^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 0, z])/y^2 - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 0, 1 - y, z])/ y^2 + ((I/6)*(-1 + y + z)*(27*y^3 + 54*y^3*z + 9*y*z^2 + 22*z^3 - 22*z^4)*G[1 - y, 1 - y, 0, -y, z])/(y^2*z^2) + (((4*I)/3)*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 2*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)*G[1 - y, 1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (((34*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 1 - y, 0, z])/y^2 - ((I/6)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 9*y*z^2 - 10*z^3 + 10*z^4)* G[1 - y, 1 - y, 1 - y, -y, z])/(y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)* G[1 - y, 1 - y, -y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 3*y*z^2 - 10*z^3 + 10*z^4)* G[1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(23*y^3 + 46*y^3*z - 3*y*z^2 - 46*z^3 + 46*z^4)* G[1 - y, 1 - y, -y, -y, z])/(y^2*z^2) + (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*z^3 + 3*z^4)* G[1 - y, -y, 0, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 12*z^3 - 12*z^4)* G[1 - y, -y, 0, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(3*y^3 + 6*y^3*z - 3*y*z^2 - 20*z^3 + 20*z^4)* G[1 - y, -y, 0, -y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(7*y^3 + 14*y^3*z + 12*z^3 - 12*z^4)* G[1 - y, -y, 1 - y, 0, z])/(y^2*z^2) + (((16*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4)* G[1 - y, -y, 1 - y, -y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z - 4*z^3 + 4*z^4)* G[1 - y, -y, -y, 0, z])/(y^2*z^2) - (I*(-1 + y + z)*G[1 - y, -y, -y, 1 - y, z])/y + ((I/3)*(-1 + y + z)*(14*y^3 + 28*y^3*z - 3*y*z^2 - 28*z^3 + 28*z^4)* G[1 - y, -y, -y, -y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 0, 0, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)* (11*y^3 + 22*y^3*z + 12*z^3 - 12*z^4)*G[-y, 0, 0, 1 - y, z])/ (y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(3*y + 20*z - 20*z^2)* G[-y, 0, 0, -y, z])/y^2 + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)*G[-y, 0, 1, 0, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(11*y^3 + 22*y^3*z + 12*z^3 - 12*z^4)* G[-y, 0, 1 - y, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(31*y^3 + 62*y^3*z + 40*z^3 - 40*z^4)* G[-y, 0, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(15*y^3 + 30*y^3*z + 6*y*z^2 + 56*z^3 - 56*z^4)* G[-y, 0, 1 - y, -y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(41*y^3 + 82*y^3*z - 20*z^3 + 20*z^4)* G[-y, 0, -y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (13*y^3 + 26*y^3*z + 6*y*z^2 + 52*z^3 - 52*z^4)* G[-y, 0, -y, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(33*y^3 + 66*y^3*z + 6*y*z^2 + 40*z^3 - 40*z^4)* G[-y, 0, -y, -y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)* (11*y^3 + 22*y^3*z + 12*z^3 - 12*z^4)*G[-y, 1 - y, 0, 0, z])/ (y^2*z^2) - ((I/6)*(-1 + y + z)*(31*y^3 + 62*y^3*z + 40*z^3 - 40*z^4)*G[-y, 1 - y, 0, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(15*y^3 + 30*y^3*z + 6*y*z^2 + 56*z^3 - 56*z^4)* G[-y, 1 - y, 0, -y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)* G[-y, 1 - y, 1, 0, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(31*y^3 + 62*y^3*z + 40*z^3 - 40*z^4)* G[-y, 1 - y, 1 - y, 0, z])/(y^2*z^2) + (((17*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[-y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/6)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 3*y*z^2 - 10*z^3 + 10*z^4)* G[-y, 1 - y, 1 - y, -y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 16*z^3 + 16*z^4)* G[-y, 1 - y, -y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(13*y^3 + 26*y^3*z - 6*y*z^2 - 26*z^3 + 26*z^4)* G[-y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(31*y^3 + 62*y^3*z - 9*y*z^2 - 62*z^3 + 62*z^4)* G[-y, 1 - y, -y, -y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(13*y^3 + 26*y^3*z - 8*z^3 + 8*z^4)* G[-y, -y, 0, 0, z])/(y^2*z^2) - (((13*I)/3)*y*(-1 + y + z)* (1 + 2*z)*G[-y, -y, 0, 1 - y, z])/z^2 + ((I/6)*(-1 + y + z)*(20*y^3 + 40*y^3*z + 3*y*z^2 + 14*z^3 - 14*z^4)* G[-y, -y, 0, -y, z])/(y^2*z^2) - (((13*I)/3)*y*(-1 + y + z)* (1 + 2*z)*G[-y, -y, 1 - y, 0, z])/z^2 + ((I/2)*(-1 + y + z)*(5*y^3 + 10*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4)* G[-y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(13*y^3 + 26*y^3*z - 3*y*z^2 - 26*z^3 + 26*z^4)* G[-y, -y, 1 - y, -y, z])/(y^2*z^2) + ((I/6)*(-1 + y + z)*(11*y^3 + 22*y^3*z - 4*z^3 + 4*z^4)* G[-y, -y, -y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)* (17*y^3 + 34*y^3*z - 3*y*z^2 - 34*z^3 + 34*z^4)* G[-y, -y, -y, 1 - y, z])/(y^2*z^2) + ((I/2)*(-1 + y + z)*(y^3 + 2*y^3*z + y*z^2 - 2*z^3 + 2*z^4)* G[-y, -y, -y, -y, z])/(y^2*z^2) + ((Pi*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 - 44*z + 159*y*z - 186*y^2*z + 125*y^3*z + 176*z^2 - 423*y*z^2 + 291*y^2*z^2 - 98*y^3*z^2 - 264*z^3 + 405*y*z^3 - 132*y^2*z^3 + 176*z^4 - 132*y*z^4 - 44*z^5))/(3*y^2*(-1 + y + z)^2) + ((I/36)*(-474*y^4 + 2124*y^5 - 3756*y^6 + 3264*y^7 - 1386*y^8 + 228*y^9 + 216*y^2*z - 1368*y^3*z + 2604*y^4*z - 21*y^5*z - 5577*y^6*z + 6801*y^7*z - 3111*y^8*z + 456*y^9*z + 648*y*z^2 - 2532*y^2*z^2 - 1572*y^3*z^2 + 25404*y^4*z^2 - 53689*y^5*z^2 + 49652*y^6*z^2 - 21337*y^7*z^2 + 3426*y^8*z^2 + 432*z^3 - 3198*y*z^3 + 126*y^2*z^3 + 38742*y^3*z^3 - 102542*y^4*z^3 + 109103*y^5*z^3 - 52867*y^6*z^3 + 10204*y^7*z^3 - 1254*z^4 + 2262*y*z^4 + 23244*y^2*z^4 - 92206*y^3*z^4 + 123754*y^4*z^4 - 71027*y^5*z^4 + 16298*y^6*z^4 + 696*z^5 + 6945*y*z^5 - 44903*y^2*z^5 + 81620*y^3*z^5 - 57982*y^4*z^5 + 15766*y^5*z^5 + 1080*z^6 - 11779*y*z^6 + 31072*y^2*z^6 - 28796*y^3*z^6 + 9494*y^4*z^6 - 1388*z^7 + 6002*y*z^7 - 7840*y^2*z^7 + 3226*y^3*z^7 + 434*z^8 - 868*y*z^8 + 434*y^2*z^8))/ ((-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2))*Zeta[3] + G[-y, z]*((-43*Pi^3*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (18*y^2*z^2) - (Pi*(4*y - 10*y^2 + 68*y^3 - 174*y^4 + 168*y^5 - 56*y^6 + 4*z - 20*y*z + 184*y^2*z - 1488*y^3*z + 3479*y^4*z - 3160*y^5*z + 1001*y^6*z - 10*z^2 + 94*y*z^2 - 393*y^2*z^2 + 2292*y^3*z^2 - 3895*y^4*z^2 + 1912*y^5*z^2 + 1013*z^3 - 3051*y*z^3 + 2865*y^2*z^3 - 1519*y^3*z^3 + 539*y^4*z^3 - 3009*z^4 + 6887*y*z^4 - 4570*y^2*z^4 + 539*y^3*z^4 + 3003*z^5 - 4915*y*z^5 + 1912*y^2*z^5 - 1001*z^6 + 1001*y*z^6))/ (18*(-1 + y)*y^2*z^2*(-1 + y + z)) + ((I/216)*(200*y - 617*y^2 - 1509*y^3 + 6612*y^4 - 7029*y^5 + 2343*y^6 + 200*z - 919*y*z + 2804*y^2*z - 31128*y^3*z + 88197*y^4*z - 90660*y^5*z + 31506*y^6*z - 302*z^2 + 752*y*z^2 - 1110*y^2*z^2 + 56646*y^3*z^2 - 117072*y^4*z^2 + 61086*y^5*z^2 + 31710*z^3 - 92397*y*z^3 + 83364*y^2*z^3 - 46248*y^3*z^3 + 17172*y^4*z^3 - 94620*z^4 + 216462*y*z^4 - 145413*y^2*z^4 + 17172*y^3*z^4 + 94518*z^5 - 155604*y*z^5 + 61086*y^2*z^5 - 31506*z^6 + 31506*y*z^6))/((-1 + y)*y^2*z^2*(-1 + y + z)) - ((I/216)*Pi^2*(1190*y^5 - 3522*y^6 + 3486*y^7 - 1150*y^8 + 3016*y^4*z - 12296*y^5*z + 15870*y^6*z - 7016*y^7*z + 430*y^8*z + 2927*y^3*z^2 - 17443*y^4*z^2 + 30351*y^5*z^2 - 17941*y^6*z^2 + 2258*y^7*z^2 + 2864*y^2*z^3 - 16739*y^3*z^3 + 34932*y^4*z^3 - 26237*y^5*z^3 + 5056*y^6*z^3 + 1513*y*z^4 - 13115*y^2*z^4 + 30978*y^3*z^4 - 27094*y^4*z^4 + 6782*y^5*z^4 + 362*z^5 - 6553*y*z^5 + 22494*y^2*z^5 - 23828*y^3*z^5 + 7108*y^4*z^5 - 1508*z^6 + 10845*y*z^6 - 17311*y^2*z^6 + 6782*y^3*z^6 + 2364*z^7 - 8063*y*z^7 + 5056*y^2*z^7 - 1648*z^8 + 2258*y*z^8 + 430*z^9))/(y^2*z^2*(-1 + y + z)^2* (y + z)^2) - ((I/6)*(-1 + y + z)*(79*y^3 + 158*y^3*z - 27*y*z^2 - 158*z^3 + 158*z^4)*Zeta[3])/(y^2*z^2)) + G[1, z]*(-1/6*(Pi^3*(-y + 3*y^2 - 4*y^3 + 2*y^4 - 16*z + 51*y*z - 54* y^2*z + 4*y^3*z + 64*z^2 - 147*y*z^2 + 99*y^2*z^2 - 96*z^3 + 145*y*z^3 - 48*y^2*z^3 + 64*z^4 - 48*y*z^4 - 16*z^5))/ (y^2*(-1 + y + z)^2) + ((I/216)*Pi^2*(12 - 18*y - 47*y^3 + 99*y^4 - 54*y^5 - 84*z + 108*y*z + 102*y^2*z - 139*y^3*z + 54*y^4*z - 54*y^5*z + 108*z^2 + 30*y*z^2 + 258*y^2*z^2 - 825*y^3*z^2 + 153*y^4*z^2 + 108*y^5*z^2 - 214*z^3 + 702*y*z^3 - 2028*y^2*z^3 + 1175*y^3*z^3 - 90*y^4*z^3 + 1036*z^4 - 3096*y*z^4 + 2874*y^2*z^4 - 164*y^3*z^4 - 1896*z^5 + 3534*y*z^5 - 1206*y^2*z^5 + 1420*z^6 - 1260*y*z^6 - 382*z^7))/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-15*y + 45*y^2 - 60*y^3 + 30*y^4 - 170*z + 555*y*z - 600*y^2*z + 186*y^3*z + 680*z^2 - 1575*y*z^2 + 1065*y^2*z^2 - 126*y^3*z^2 - 1020*z^3 + 1545*y*z^3 - 510*y^2*z^3 + 680*z^4 - 510*y*z^4 - 170*z^5)* Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1 - y, z]* (-1/6*(Pi*(38*y^3 - 38*y^4 + 112*y^2*z - 251*y^3*z + 72*y^4*z + 182* y*z^2 - 532*y^2*z^2 + 281*y^3*z^2 + 72*z^3 - 463*y*z^3 + 418* y^2*z^3 - 144*z^4 + 281*y*z^4 + 72*z^5))/(y*z*(y + z)^2) + ((I/108)*(12*y^2 - 251*y^3 + 257*y^4 + 24*y*z + 8223*y^2*z - 9683*y^3*z + 10369*y^4*z + 12*z^2 + 20439*y*z^2 - 41295*y^2*z^2 + 31636*y^3*z^2 + 10345*z^3 - 52081*y*z^3 + 42534*y^2*z^3 - 20726*z^4 + 31636*y*z^4 + 10369*z^5))/ (y*z*(y + z)^2) - (Pi^3*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + y*z^2 - 3*y^2*z^2 + 6*y^3*z^2 - 10*y^4*z^2 + 6*y^5*z^2 + 12*z^3 - 39*y*z^3 + 42*y^2*z^3 - 16*y^3*z^3 + 6*y^4*z^3 - 48*z^4 + 111*y*z^4 - 75*y^2*z^4 + 10*y^3*z^4 + 72*z^5 - 109*y*z^5 + 36*y^2*z^5 - 48*z^6 + 36*y*z^6 + 12*z^7))/(6*y^2*z^2*(-1 + y + z)^2) - ((I/216)*Pi^2*(24*y - 78*y^2 + 114*y^3 - 328*y^4 + 980*y^5 - 1534*y^6 + 1258*y^7 - 524*y^8 + 88*y^9 + 24*z - 264*y*z + 726*y^2*z - 298*y^3*z - 2148*y^4*z + 5106*y^5*z - 5626*y^6*z + 3474*y^7*z - 1152*y^8*z + 158*y^9*z - 186*z^2 + 972*y*z^2 - 2472*y^2*z^2 + 2248*y^3*z^2 + 2596*y^4*z^2 - 6626*y^5*z^2 + 3698*y^6*z^2 + 374*y^7*z^2 - 604*y^8*z^2 + 360*z^3 - 2700*y*z^3 + 11442*y^2*z^3 - 22500*y^3*z^3 + 24366*y^4*z^3 - 18606*y^5*z^3 + 10584*y^6*z^3 - 2946*y^7*z^3 - 174*z^4 + 6018*y*z^4 - 26613*y^2*z^4 + 46995*y^3*z^4 - 43179*y^4*z^4 + 21933*y^5*z^4 - 4980*y^6*z^4 - 8445*y*z^5 + 28962*y^2*z^5 - 38001*y^3*z^5 + 22716*y^4*z^5 - 4926*y^5*z^5 - 264*z^6 + 6443*y*z^6 - 15292*y^2*z^6 + 12977*y^3*z^6 - 3558*y^4*z^6 + 368*z^7 - 2292*y*z^7 + 3480*y^2*z^7 - 1556*y^3*z^7 - 128*z^8 + 256*y*z^8 - 128*y^2*z^8))/((-1 + y)^2*y^2*z^2*(-1 + y + z)^2* (y + z)) + ((I/6)*(-41*y^3 + 123*y^4 - 123*y^5 + 41*y^6 + 41*y^3*z - 123*y^5*z + 82*y^6*z - 15*y*z^2 + 45*y^2*z^2 + 78*y^3*z^2 - 354*y^4*z^2 + 246*y^5*z^2 - 184*z^3 + 597*y*z^3 - 642*y^2*z^3 + 10*y^3*z^3 + 246*y^4*z^3 + 736*z^4 - 1701*y*z^4 + 1149*y^2*z^4 - 88*y^3*z^4 - 1104*z^5 + 1671*y*z^5 - 552*y^2*z^5 + 736*z^6 - 552*y*z^6 - 184*z^7)*Zeta[3])/ (y^2*z^2*(-1 + y + z)^2))) + G[0, y]*(((-1/2160*I)*Pi^4*y*(-165 + 165*y - 2669*z + 2834*z^2))/ (-1 + y + z)^2 - (Pi*(2 + 203*y - 619*y^2 + 621*y^3 - 207*y^4 + 553*z - 2048*y*z + 3604*y^2*z - 3276*y^3*z + 1167*y^4*z - 1110*z^2 + 3243*y*z^2 - 2796*y^2*z^2 + 663*y^3*z^2 + 555*z^3 - 1398*y*z^3 + 663*y^2*z^3))/(18*(-1 + y)^2*z*(-1 + y + z)) + ((I/216)*(76 + 693*y - 2459*y^2 + 2535*y^3 - 845*y^4 + 35766*z - 111891*y*z + 161246*y^2*z - 129883*y^3*z + 44762*y^4*z - 71684*z^2 + 188066*y*z^2 - 153736*y^2*z^2 + 37354*y^3*z^2 + 35842*z^3 - 76868*y*z^3 + 37354*y^2*z^3))/((-1 + y)^2*z* (-1 + y + z)) - (Pi^3*(-210*y^2 + 630*y^3 - 630*y^4 + 210*y^5 + 630*y*z - 1659*y^2*z + 1848*y^3*z - 1239*y^4*z + 420*y^5*z + 132*z^2 - 2424*y*z^2 + 5245*y^2*z^2 - 4471*y^3*z^2 + 1518*y^4*z^2 - 396*z^3 + 3090*y*z^3 - 4408*y^2*z^3 + 1750*y^3*z^3 + 396*z^4 - 1428*y*z^4 + 1032*y^2*z^4 - 132*z^5 + 132*y*z^5))/(108*(-1 + y)*y*z*(-1 + y + z)^2) + ((I/648)*Pi^2*(36*y - 90*y^2 + 4689*y^3 - 18555*y^4 + 27915*y^5 - 18687*y^6 + 4692*y^7 + 36*z - 306*y*z - 2682*y^2*z + 4782*y^3*z + 3291*y^4*z - 7836*y^5*z + 1665*y^6*z + 1050*y^7*z - 216*z^2 - 8232*y*z^2 + 52236*y^2*z^2 - 106097*y^3*z^2 + 104014*y^4*z^2 - 56225*y^5*z^2 + 14520*y^6*z^2 - 1320*z^3 + 34743*y*z^3 - 124103*y^2*z^3 + 174207*y^3*z^3 - 112149*y^4*z^3 + 28622*y^5*z^3 + 4926*z^4 - 47391*y*z^4 + 104024*y^2*z^4 - 86443*y^3*z^4 + 26288*y^4*z^4 - 5220*z^5 + 24774*y*z^5 - 31080*y^2*z^5 + 12930*y^3*z^5 + 1794*z^6 - 3588*y*z^6 + 1794*y^2*z^6))/((-1 + y)^2*y*z*(-1 + y + z)^2*(y + z)) + ((((-16*I)/3)*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (Pi*(2*y^2 - 4*y^3 + 2*y^4 - 12*y*z + 14*y^2*z - 6*y^3*z + 4*y^4*z + 18*z^2 - 27*y*z^2 - 16*y^2*z^2 + 7*y^3*z^2 - 54*z^3 + 90*y*z^3 + 54*z^4 - 51*y*z^4 - 18*z^5))/ (3*y*z*(-1 + y + z)^2) - ((I/108)*(-18*y^2 - 228*y^3 + 774*y^4 - 792*y^5 + 264*y^6 + 36*y*z + 150*y^2*z + 294*y^3*z - 546*y^4*z - 498*y^5*z + 564*y^6*z + 54*z^2 - 432*y*z^2 + 789*y^2*z^2 + 6667*y^3*z^2 - 10240*y^4*z^2 + 3162*y^5*z^2 - 1728*z^3 + 6987*y*z^3 - 2867*y^2*z^3 - 11054*y^3*z^3 + 9742*y^4*z^3 + 4800*z^4 - 13896*y*z^4 + 5729*y^2*z^4 + 4447*y^3*z^4 - 4608*z^5 + 8787*y*z^5 - 4179*y^2*z^5 + 1482*z^6 - 1482*y*z^6))/((-1 + y)*y*z*(-1 + y + z)^2*(y + z)))* G[0, 0, z] + ((I/18)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 18*z + 63*y*z - 72*y^2*z + 10*y^3*z + 72*z^2 - 171*y*z^2 + 117*y^2*z^2 + 2*y^3*z^2 - 108*z^3 + 165*y*z^3 - 54*y^2*z^3 + 72*z^4 - 54*y*z^4 - 18*z^5)*G[0, 1, z])/(y^2*(-1 + y + z)^2) + (((-1/36*I)*Pi^2*(-51*y^3 + 153*y^4 - 153*y^5 + 51*y^6 + 51*y^3*z - 153*y^5*z + 102*y^6*z - 3*y*z^2 + 9*y^2*z^2 + 150*y^3*z^2 - 462*y^4*z^2 + 306*y^5*z^2 - 100*z^3 + 309*y*z^3 - 318*y^2*z^3 - 196*y^3*z^3 + 306*y^4*z^3 + 400*z^4 - 909*y*z^4 + 609*y^2*z^4 + 46*y^3*z^4 - 600*z^5 + 903*y*z^5 - 300*y^2*z^5 + 400*z^6 - 300*y*z^6 - 100*z^7))/(y^2*z^2*(-1 + y + z)^2) + (Pi*(-37*y^4 + 148*y^5 - 222*y^6 + 148*y^7 - 37*y^8 - 199*y^3*z + 1151*y^4*z - 2665*y^5*z + 3079*y^6*z - 1772*y^7*z + 406*y^8*z - 36*y^2*z^2 + 1111*y^3*z^2 - 4402*y^4*z^2 + 7239*y^5*z^2 - 5536*y^6*z^2 + 1624*y^7*z^2 + 86*y*z^3 - 398*y^2*z^3 - 921*y^3*z^3 + 4531*y^4*z^3 - 5428*y^5*z^3 + 2130*y^6*z^3 - 76*z^4 - 178*y*z^4 + 1388*y^2*z^4 - 1289*y^3*z^4 - 587*y^4*z^4 + 706*y^5*z^4 + 292*z^5 - 82*y*z^5 - 1386*y^2*z^5 + 1700*y^3*z^5 - 560*y^4*z^5 - 432*z^6 + 414*y*z^6 + 420*y^2*z^6 - 402*y^3*z^6 + 288*z^7 - 312*y*z^7 + 24*y^2*z^7 - 72*z^8 + 72*y*z^8))/(18*(-1 + y)*y^2*z^2*(-1 + y + z)^2* (y + z)) - ((I/216)*(24*y^2 - 48*y^3 + 806*y^4 - 3128*y^5 + 4692*y^6 - 3128*y^7 + 782*y^8 + 96*y*z - 486*y^2*z - 2866*y^3*z + 23228*y^4*z - 65026*y^5*z + 89638*y^6*z - 60488*y^7*z + 15904*y^8*z + 72*z^2 - 726*y*z^2 + 2805*y^2*z^2 + 19072*y^3*z^2 - 114733*y^4*z^2 + 227946*y^5*z^2 - 198052*y^6*z^2 + 63616*y^7*z^2 - 288*z^3 + 4283*y*z^3 - 22193*y^2*z^3 - 1842*y^3*z^3 + 125668*y^4*z^3 - 189874*y^5*z^3 + 84246*y^6*z^3 - 1114*z^4 - 10597*y*z^4 + 60830*y^2*z^4 - 68558*y^3*z^4 - 9563*y^4*z^4 + 30082*y^5*z^4 + 5392*z^5 + 9479*y*z^5 - 64869*y^2*z^5 + 71996*y^3*z^5 - 20918*y^4*z^5 - 8178*z^6 - 331*y*z^6 + 26263*y^2*z^6 - 17754*y^3*z^6 + 5492*z^7 - 3580*y*z^7 - 1912*y^2*z^7 - 1376*z^8 + 1376*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2* (y + z)))*G[0, 1 - y, z] + (((-1/18*I)*Pi^2*(-1 + z)*z*(-41 + 123*y - 123*y^2 + 25*y^3 + 123*z - 246*y*z + 123*y^2*z - 123*z^2 + 123*y*z^2 + 41*z^3))/ (y^2*(-1 + y + z)^2) - (Pi*(-1 + z)*(-2 + 6*y - 6*y^2 + 4*y^3 + 6*z - 6*y*z - 12*y^2*z + 12*y^3*z - 6*z^2 + 21*y*z^2 - 63*y^2*z^2 + 54*y^3*z^2 - 34*z^3 + 126*y*z^3 - 192*y^2*z^3 + 92*y^3*z^3 + 108*z^4 - 321*y*z^4 + 273*y^2*z^4 - 108*z^5 + 174*y*z^5 + 36*z^6))/(9*y^2*z^2*(-1 + y + z)^2) + ((I/216)*(-1 + z)*(-152 + 507*y - 615*y^2 + 430*y^3 - 30*y^4 + 12*y^5 + 426*z - 426*y*z - 969*y^2*z + 1056*y^3*z - 30*y^4*z + 24*y^5*z - 354*z^2 + 1320*y*z^2 - 4437*y^2*z^2 + 3954*y^3*z^2 + 60*y^4*z^2 - 1278*z^3 + 4422*y*z^3 - 8127*y^2*z^3 + 6296*y^3*z^3 + 4122*z^4 - 13923*y*z^4 + 14148*y^2*z^4 - 4140*z^5 + 7956*y*z^5 + 1376*z^6))/(y^2*z^2*(-1 + y + z)^2))* G[1, 0, z] - ((I/3)*Pi^2*(-y + 3*y^2 - 4*y^3 + 2*y^4 - 3*z + 12*y*z - 15*y^2*z + y^3*z + 12*z^2 - 30*y*z^2 + 21*y^2*z^2 + 3*y^3*z^2 - 18*z^3 + 28*y*z^3 - 9*y^2*z^3 + 12*z^4 - 9*y*z^4 - 3*z^5)*G[1, 1, z])/(y^2*(-1 + y + z)^2) + ((I/18)*Pi^2*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 2*z + 15*y*z - 24*y^2*z - 6*y^3*z + 8*z^2 - 27*y*z^2 + 21*y^2*z^2 + 18*y^3*z^2 - 12*z^3 + 21*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)* G[1, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((I/36)*Pi^2*(-41*y^3 + 123*y^4 - 123*y^5 + 41*y^6 + 41*y^3*z - 123*y^5*z + 82*y^6*z + 123*y^3*z^2 - 369*y^4*z^2 + 246*y^5*z^2 + 82*z^3 - 246*y*z^3 + 246*y^2*z^3 - 363*y^3*z^3 + 246*y^4*z^3 - 328*z^4 + 738*y*z^4 - 492*y^2*z^4 + 240*y^3*z^4 + 492*z^5 - 738*y*z^5 + 246*y^2*z^5 - 328*z^6 + 246*y*z^6 + 82*z^7))/(y^2*z^2*(-1 + y + z)^2) + (Pi*(-4*y^2 + 16*y^3 - 24*y^4 + 46*y^5 - 124*y^6 + 180*y^7 - 120*y^8 + 30*y^9 - 8*y*z + 48*y^2*z - 88*y^3*z + 182*y^4*z - 588*y^5*z + 928*y^6*z - 540*y^7*z - 6*y^8*z + 72*y^9*z - 4*z^2 + 48*y*z^2 - 128*y^2*z^2 + 229*y^3*z^2 - 864*y^4*z^2 + 1343*y^5*z^2 - 6*y^6*z^2 - 1242*y^7*z^2 + 624*y^8*z^2 + 16*z^3 - 88*y*z^3 - 194*y^2*z^3 + 919*y^3*z^3 - 1763*y^4*z^3 + 3446*y^5*z^3 - 4334*y^6*z^3 + 1998*y^7*z^3 - 24*z^4 - 190*y*z^4 + 2316*y^2*z^4 - 6506*y^3*z^4 + 9190*y^4*z^4 - 7872*y^5*z^4 + 3122*y^6*z^4 - 56*z^5 + 1434*y*z^5 - 6622*y^2*z^5 + 11972*y^3*z^5 - 10008*y^4*z^5 + 3352*y^5*z^5 + 284*z^6 - 2906*y*z^6 + 8076*y^2*z^6 - 8540*y^3*z^6 + 3122*y^4*z^6 - 432*z^7 + 2550*y*z^7 - 4116*y^2*z^7 + 1998*y^3*z^7 + 288*z^8 - 912*y*z^8 + 624*y^2*z^8 - 72*z^9 + 72*y*z^9))/(18*(-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)^2) - ((I/216)*(-152*y^2 + 587*y^3 - 852*y^4 + 1050*y^5 - 2262*y^6 + 3321*y^7 - 2254*y^8 + 562*y^9 - 304*y*z + 1752*y^2*z - 2963*y^3*z + 4533*y^4*z - 13437*y^5*z + 21573*y^6*z - 13136*y^7*z + 606*y^8*z + 1376*y^9*z - 152*z^2 + 1743*y*z^2 - 4150*y^2*z^2 + 5337*y^3*z^2 - 20856*y^4*z^2 + 34080*y^5*z^2 - 1468*y^6*z^2 - 28830*y^7*z^2 + 14296*y^8*z^2 + 578*z^3 - 2819*y*z^3 - 4995*y^2*z^3 + 21282*y^3*z^3 - 35064*y^4*z^3 + 71016*y^5*z^3 - 97076*y^6*z^3 + 47078*y^7*z^3 - 780*z^4 - 5046*y*z^4 + 57510*y^2*z^4 - 150723*y^3*z^4 + 197718*y^4*z^4 - 165519*y^5*z^4 + 65760*y^6*z^4 - 924*z^5 + 34674*y*z^5 - 158646*y^2*z^5 + 274905*y^3*z^5 - 215373*y^4*z^5 + 63204*y^5*z^5 + 5400*z^6 - 67077*y*z^6 + 190538*y^2*z^6 - 195701*y^3*z^6 + 65760*y^4*z^6 - 8262*z^7 + 57265*y*z^7 - 96081*y^2*z^7 + 47078*y^3*z^7 + 5516*z^8 - 19812*y*z^8 + 14296*y^2*z^8 - 1376*z^9 + 1376*y*z^9))/((-1 + y)*y^2*z^2* (-1 + y + z)^2*(y + z)^2))*G[1 - y, 0, z] + ((I/36)*Pi^2*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 15*y^3*z^2 - 69*y^4*z^2 + 54*y^5*z^2 - 46*z^3 + 183*y*z^3 - 228*y^2*z^3 + 65*y^3*z^3 + 54*y^4*z^3 + 184*z^4 - 459*y*z^4 + 321*y^2*z^4 - 50*y^3*z^4 - 276*z^5 + 429*y*z^5 - 138*y^2*z^5 + 184*z^6 - 138*y*z^6 - 46*z^7)*G[1 - y, 1, z])/(y^2*z^2*(-1 + y + z)^2) + (-1/3*(Pi*(-22*y^3 + 44*y^4 - 22*y^5 - 36*y^2*z + 121*y^3*z - 115* y^4*z + 30*y^5*z - 6*y*z^2 + 104*y^2*z^2 - 203*y^3*z^2 + 104* y^4*z^2 + 18*z^3 - 27*y*z^3 - 92*y^2*z^3 + 119*y^3*z^3 - 54* z^4 + 72*y*z^4 + 24*y^2*z^4 + 54*z^5 - 39*y*z^5 - 18*z^6))/ (y*z^2*(-1 + y + z)*(y + z)) + ((I/108)*(24*y - 6*y^2 + 127*y^3 - 522*y^4 + 603*y^5 - 226*y^6 + 24*z - 186*y*z + 1375*y^2*z - 8112*y^3*z + 19093*y^4*z - 18519*y^5*z + 6325*y^6*z - 180*z^2 - 348*y*z^2 - 3888*y^2*z^2 + 27541*y^3*z^2 - 43303*y^4*z^2 + 20178*y^5*z^2 - 1032*z^3 + 7128*y*z^3 - 762*y^2*z^3 - 24450*y^3*z^3 + 20196*y^4*z^3 + 3990*z^4 - 14097*y*z^4 + 8075*y^2*z^4 + 3112*y^3*z^4 - 4284*z^5 + 8997*y*z^5 - 4713*y^2*z^5 + 1482*z^6 - 1482*y*z^6))/ ((-1 + y)*y*z^2*(-1 + y + z)*(y + z)) + ((I/36)*Pi^2*(-81*y^3 + 243*y^4 - 243*y^5 + 81*y^6 + 81*y^3*z - 243*y^5*z + 162*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 270*y^3*z^2 - 738*y^4*z^2 + 486*y^5*z^2 + 14*z^3 - 69*y*z^3 + 96*y^2*z^3 - 462*y^3*z^3 + 486*y^4*z^3 - 56*z^4 + 153*y*z^4 - 111*y^2*z^4 + 192*y^3*z^4 + 84*z^5 - 135*y*z^5 + 42*y^2*z^5 - 56*z^6 + 42*y*z^6 + 14*z^7))/(y^2*z^2*(-1 + y + z)^2))* G[1 - y, 1 - y, z] + (((-1/36*I)*Pi^2*(-1 + y + z)* (41*y^3 + 82*y^3*z + 3*y*z^2 - 64*z^3 + 64*z^4))/(y^2*z^2) - (Pi*(-41*y^4 + 111*y^5 - 111*y^6 + 37*y^7 - 29*y^3*z + 134*y^4*z - 87*y^5*z - 104*y^6*z + 86*y^7*z - 138*y^2*z^2 + 299*y^3*z^2 + 87*y^4*z^2 - 666*y^5*z^2 + 410*y^6*z^2 - 110*y*z^3 + 762*y^2*z^3 - 759*y^3*z^3 - 494*y^4*z^3 + 648*y^5*z^3 + 76*z^4 + 194*y*z^4 - 1140*y^2*z^4 + 631*y^3*z^4 + 284*y^4*z^4 - 292*z^5 + 114*y*z^5 + 534*y^2*z^5 - 154*y^3*z^5 + 432*z^6 - 354*y*z^6 - 30*y^2*z^6 - 288*z^7 + 156*y*z^7 + 72*z^8))/ (18*y^2*z^2*(-1 + y + z)^2*(y + z)) + ((I/216)*(-72*y^2 + 198*y^3 - 866*y^4 + 1608*y^5 - 1527*y^6 + 507*y^7 - 144*y*z + 684*y^2*z - 1136*y^3*z + 2738*y^4*z - 2511*y^5*z - 1020*y^6*z + 1308*y^7*z - 72*z^2 + 774*y*z^2 - 6147*y^2*z^2 + 9995*y^3*z^2 - 1026*y^4*z^2 - 11499*y^5*z^2 + 7584*y^6*z^2 + 288*z^3 - 5843*y*z^3 + 27576*y^2*z^3 - 26250*y^3*z^3 - 7370*y^4*z^3 + 13416*y^5*z^3 + 1114*z^4 + 13319*y*z^4 - 43653*y^2*z^4 + 23611*y^3*z^4 + 5396*y^4*z^4 - 5392*z^5 - 9267*y*z^5 + 25986*y^2*z^5 - 6736*y^3*z^5 + 8178*z^6 - 515*y*z^6 - 4692*y^2*z^6 - 5492*z^7 + 1676*y*z^7 + 1376*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 1 - y, z] + ((12*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 + ((I/6)*(2*y^2 - 4*y^3 + 2*y^4 - 12*y*z + 14*y^2*z - 6*y^3*z + 4*y^4*z + 62*z^2 - 155*y*z^2 + 41*y^2*z^2 - 5*y^3*z^2 - 186*z^3 + 346*y*z^3 - 57*y^2*z^3 + 186*z^4 - 179*y*z^4 - 62*z^5))/(y*z*(-1 + y + z)^2))*G[0, 0, 0, z] + (-1/3*(Pi*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8* y^6*z + 3*y*z^2 - 9*y^2*z^2 + 24*y^3*z^2 - 42*y^4*z^2 + 24* y^5*z^2 + 26*z^3 - 87*y*z^3 + 96*y^2*z^3 - 32*y^3*z^3 + 24* y^4*z^3 - 104*z^4 + 243*y*z^4 - 165*y^2*z^4 + 8*y^3*z^4 + 156* z^5 - 237*y*z^5 + 78*y^2*z^5 - 104*z^6 + 78*y*z^6 + 26*z^7))/ (y^2*z^2*(-1 + y + z)^2) - ((I/36)*(-70*y^4 + 280*y^5 - 420*y^6 + 280*y^7 - 70*y^8 - 484*y^3*z + 2576*y^4*z - 5668*y^5*z + 6388*y^6*z - 3656*y^7*z + 844*y^8*z - 27*y^2*z^2 + 2116*y^3*z^2 - 8557*y^4*z^2 + 14250*y^5*z^2 - 11158*y^6*z^2 + 3376*y^7*z^2 + 835*y*z^3 - 3763*y^2*z^3 + 3294*y^3*z^3 + 5476*y^4*z^3 - 10240*y^5*z^3 + 4398*y^6*z^3 + 280*z^4 - 4547*y*z^4 + 13786*y^2*z^4 - 13922*y^3*z^4 + 2857*y^4*z^4 + 1378*y^5*z^4 - 1132*z^5 + 8887*y*z^5 - 17889*y^2*z^5 + 12578*y^3*z^5 - 2612*y^4*z^5 + 1704*z^6 - 7769*y*z^6 + 9647*y^2*z^6 - 3582*y^3*z^6 - 1136*z^7 + 2878*y*z^7 - 1742*y^2*z^7 + 284*z^8 - 284*y*z^8))/((-1 + y)*y^2*z^2* (-1 + y + z)^2*(y + z)))*G[0, 0, 1 - y, z] + ((8*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (3*y^2*(-1 + y + z)^2) + ((I/18)*(2*y - 5*y^2 + 6*y^3 - 25*y^4 + 52*y^5 - 42*y^6 + 12*y^7 + 2*z - 22*y*z + 65*y^2*z - 112*y^3*z + 125*y^4*z - 40*y^5*z - 42*y^6*z + 24*y^7*z - 17*z^2 + 107*y*z^2 - 246*y^2*z^2 + 262*y^3*z^2 - 40*y^4*z^2 - 150*y^5*z^2 + 84*y^6*z^2 + 48*z^3 - 122*y*z^3 - 166*y^2*z^3 + 870*y^3*z^3 - 970*y^4*z^3 + 340*y^5*z^3 + 25*z^4 - 629*y*z^4 + 2308*y^2*z^4 - 3148*y^3*z^4 + 1640*y^4*z^4 - 184*y^5*z^4 - 286*z^5 + 1852*y*z^5 - 3822*y^2*z^5 + 2998*y^3*z^5 - 730*y^4*z^5 + 456*z^6 - 1848*y*z^6 + 2286*y^2*z^6 - 894*y^3*z^6 - 300*z^7 + 720*y*z^7 - 420*y^2*z^7 + 72*z^8 - 72*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))* G[0, 1, 0, z] + ((2*Pi*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y^3*z^2 - 18*y^4*z^2 + 12*y^5*z^2 + 9*z^3 - 27*y*z^3 + 27*y^2*z^3 - 13*y^3*z^3 + 12*y^4*z^3 - 36*z^4 + 81*y*z^4 - 54*y^2*z^4 + 7*y^3*z^4 + 54*z^5 - 81*y*z^5 + 27*y^2*z^5 - 36*z^6 + 27*y*z^6 + 9*z^7))/ (3*y^2*z^2*(-1 + y + z)^2) - ((I/36)*(4*y^2 - 10*y^3 + 12*y^4 + 58*y^5 - 292*y^6 + 474*y^7 - 332*y^8 + 86*y^9 + 8*y*z - 54*y^2*z + 142*y^3*z - 166*y^4*z + 126*y^5*z - 356*y^6*z + 752*y^7*z - 648*y^8*z + 196*y^9*z + 4*z^2 - 78*y*z^2 + 344*y^2*z^2 - 788*y^3*z^2 + 1542*y^4*z^2 - 2725*y^5*z^2 + 3040*y^6*z^2 - 1683*y^7*z^2 + 344*y^8*z^2 - 34*z^3 + 310*y*z^3 - 742*y^2*z^3 + 672*y^3*z^3 + 40*y^4*z^3 - 591*y^5*z^3 + 1445*y^6*z^3 - 1100*y^7*z^3 + 96*z^4 - 872*y*z^4 + 990*y^2*z^4 + 3458*y^3*z^4 - 9060*y^4*z^4 + 8856*y^5*z^4 - 3600*y^6*z^4 - 388*z^5 + 2088*y*z^5 - 2*y^2*z^5 - 9504*y^3*z^5 + 12432*y^4*z^5 - 4890*y^5*z^5 + 952*z^6 - 2605*y*z^6 - 1992*y^2*z^6 + 7689*y^3*z^6 - 4176*y^4*z^6 - 1080*z^7 + 1563*y*z^7 + 1293*y^2*z^7 - 1776*y^3*z^7 + 564*z^8 - 540*y*z^8 - 24*y^2*z^8 - 114*z^9 + 114*y*z^9))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)^2))* G[0, 1 - y, 0, z] + ((Pi*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 27*y^3*z^2 - 57*y^4*z^2 + 36*y^5*z^2 + 18*z^3 - 63*y*z^3 + 72*y^2*z^3 - 61*y^3*z^3 + 36*y^4*z^3 - 72*z^4 + 171*y*z^4 - 117*y^2*z^4 + 34*y^3*z^4 + 108*z^5 - 165*y*z^5 + 54*y^2*z^5 - 72*z^6 + 54*y*z^6 + 18*z^7))/(3*y^2*z^2*(-1 + y + z)^2) + ((I/36)*(-53*y^4 + 212*y^5 - 318*y^6 + 212*y^7 - 53*y^8 - 353*y^3*z + 2047*y^4*z - 4889*y^5*z + 5915*y^6*z - 3586*y^7*z + 866*y^8*z + 81*y^2*z^2 + 1517*y^3*z^2 - 7736*y^4*z^2 + 14193*y^5*z^2 - 11651*y^6*z^2 + 3596*y^7*z^2 + 617*y*z^3 - 3137*y^2*z^3 + 2424*y^3*z^3 + 6460*y^4*z^3 - 11338*y^5*z^3 + 4974*y^6*z^3 + 44*z^4 - 2839*y*z^4 + 10145*y^2*z^4 - 10658*y^3*z^4 + 1486*y^4*z^4 + 1750*y^5*z^4 - 212*z^5 + 4910*y*z^5 - 12216*y^2*z^5 + 9620*y^3*z^5 - 2174*y^4*z^5 + 354*z^6 - 3836*y*z^6 + 6050*y^2*z^6 - 2568*y^3*z^6 - 248*z^7 + 1198*y*z^7 - 950*y^2*z^7 + 62*z^8 - 62*y*z^8))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))*G[0, 1 - y, 1 - y, z] + (-((Pi*(-1 + y + z)*(y + 10*z - 10*z^2))/y^2) - ((I/36)*(41*y^4 - 128*y^5 + 156*y^6 - 88*y^7 + 19*y^8 + 89*y^3*z - 289*y^4*z + 245*y^5*z + 35*y^6*z - 118*y^7*z + 38*y^8*z - 111*y^2*z^2 + 481*y^3*z^2 - 1042*y^4*z^2 + 1137*y^5*z^2 - 527*y^6*z^2 + 62*y^7*z^2 - 603*y*z^3 + 3051*y^2*z^3 - 5946*y^3*z^3 + 5276*y^4*z^3 - 1826*y^5*z^3 + 48*y^6*z^3 - 348*z^4 + 3633*y*z^4 - 10317*y^2*z^4 + 11954*y^3*z^4 - 5512*y^4*z^4 + 566*y^5*z^4 + 1320*z^5 - 7410*y*z^5 + 13158*y^2*z^5 - 8960*y^3*z^5 + 1868*y^4*z^5 - 1908*z^6 + 6706*y*z^6 - 7198*y^2*z^6 + 2400*y^3*z^6 + 1240*z^7 - 2618*y*z^7 + 1378*y^2*z^7 - 304*z^8 + 304*y*z^8))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))*G[0, -y, 1 - y, z] + ((-2*Pi*(-1 + z)*z*(-9 + 27*y - 27*y^2 + 17*y^3 + 27*z - 54*y*z + 27*y^2*z - 27*z^2 + 27*y*z^2 + 9*z^3))/(3*y^2*(-1 + y + z)^2) + ((I/18)*(-1 + z)*(-3*y + 3*y^2 + 18*y^3 - 30*y^4 + 12*y^5 + 9*z - 33*y*z + 60*y^2*z - 42*y^3*z - 30*y^4*z + 24*y^5*z - 27*z^2 + 30*y*z^2 + 90*y^2*z^2 - 162*y^3*z^2 + 60*y^4*z^2 - 4*z^3 + 57*y*z^3 - 24*y^2*z^3 + 128*y^3*z^3 + 84*z^4 - 57*y*z^4 - 129*y^2*z^4 - 93*z^5 + 6*y*z^5 + 31*z^6))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, 0, z] + ((Pi*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z + 12*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5))/ (3*y^2*(-1 + y + z)^2) + ((I/12)*(-9*y + 21*y^2 - 24*y^3 + 12*y^4 + 16*z - 11*y*z - 22*y^2*z + 60*y^3*z - 18*y^4*z - 20*z^2 - 52*y*z^2 - 66*y^2*z^2 + 336*y^3*z^2 - 186*y^4*z^2 + 6*z^3 - 32*y*z^3 + 578*y^2*z^3 - 612*y^3*z^3 + 120*y^4*z^3 - 144*z^4 + 653*y*z^4 - 975*y^2*z^4 + 240*y^3*z^4 + 356*z^5 - 893*y*z^5 + 464*y^2*z^5 - 300*z^6 + 344*y*z^6 + 86*z^7))/ (y^2*z^2*(-1 + y + z)^2))*G[1, 0, 1 - y, z] + (((I/2)*(-1 + z)*z*(-1 + 2*y + z)*(6 - 19*y + 11*y^2 - 12*z + 19*y*z + 6*z^2))/(y^2*(-1 + y + z)^2) - (2*Pi*(-1 + z)*z*(-11 + 33*y - 33*y^2 + 9*y^3 + 33*z - 66*y*z + 33*y^2*z - 33*z^2 + 33*y*z^2 + 11*z^3))/(3*y^2*(-1 + y + z)^2))* G[1, 1, 0, z] + ((6*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((I/36)*(-1 + z)*(-12 + 45*y - 63*y^2 + 119*y^3 - 135*y^4 + 54*y^5 + 24*z - 30*y*z - 99*y^2*z + 78*y^3*z - 135*y^4*z + 108*y^5*z - 24*z^2 + 96*y*z^2 - 159*y^2*z^2 - 105*y^3*z^2 + 270*y^4*z^2 + 136*z^3 - 492*y*z^3 + 441*y^2*z^3 + 160*y^3*z^3 - 324*z^4 + 591*y*z^4 - 120*y^2*z^4 + 288*z^5 - 210*y*z^5 - 88*z^6))/(y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, 0, z] + ((-2*Pi*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 9*z^3 + 27*y*z^3 - 27*y^2*z^3 - 2*y^3*z^3 + 6*y^4*z^3 + 36*z^4 - 81*y*z^4 + 54*y^2*z^4 - y^3*z^4 - 54*z^5 + 81*y*z^5 - 27*y^2*z^5 + 36*z^6 - 27*y*z^6 - 9*z^7))/(3*y^2*z^2*(-1 + y + z)^2) + ((I/18)*(3*y^3 - 6*y^4 - 4*y^5 + 16*y^6 - 9*y^7 - 2*y^8 + 2*y^9 - 3*y^2*z + 27*y^3*z - 17*y^4*z - 225*y^5*z + 542*y^6*z - 448*y^7*z + 114*y^8*z + 10*y^9*z - 15*y*z^2 + 108*y^2*z^2 - 196*y^3*z^2 - 333*y^4*z^2 + 1108*y^5*z^2 - 569*y^6*z^2 - 417*y^7*z^2 + 314*y^8*z^2 - 9*z^3 + 111*y*z^3 - 614*y^2*z^3 + 1314*y^3*z^3 - 1792*y^4*z^3 + 2504*y^5*z^3 - 2910*y^6*z^3 + 1396*y^7*z^3 + 36*z^4 - 301*y*z^4 + 1893*y^2*z^4 - 5474*y^3*z^4 + 8104*y^4*z^4 - 6819*y^5*z^4 + 2597*y^6*z^4 - 23*z^5 + 552*y*z^5 - 4006*y^2*z^5 + 9356*y^3*z^5 - 8934*y^4*z^5 + 3127*y^5*z^5 - 88*z^6 - 704*y*z^6 + 4463*y^2*z^6 - 6430*y^3*z^6 + 2795*y^4*z^6 + 177*z^7 + 460*y*z^7 - 2037*y^2*z^7 + 1400*y^3*z^7 - 124*z^8 - 72*y*z^8 + 196*y^2*z^8 + 31*z^9 - 31*y*z^9))/((-1 + y)*y^2*z^2* (-1 + y + z)^2*(y + z)^2))*G[1 - y, 0, 0, z] + ((Pi*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 27*y^3*z^2 - 57*y^4*z^2 + 36*y^5*z^2 + 18*z^3 - 63*y*z^3 + 72*y^2*z^3 - 49*y^3*z^3 + 36*y^4*z^3 - 72*z^4 + 171*y*z^4 - 117*y^2*z^4 + 22*y^3*z^4 + 108*z^5 - 165*y*z^5 + 54*y^2*z^5 - 72*z^6 + 54*y*z^6 + 18*z^7))/ (3*y^2*z^2*(-1 + y + z)^2) + ((I/36)*(-12*y + 24*y^2 - 6*y^3 - 50*y^4 + 200*y^5 - 348*y^6 + 266*y^7 - 74*y^8 - 12*z + 126*y*z - 276*y^2*z - 200*y^3*z + 2302*y^4*z - 5408*y^5*z + 6242*y^6*z - 3598*y^7*z + 824*y^8*z + 102*z^2 - 450*y*z^2 + 546*y^2*z^2 + 1784*y^3*z^2 - 8378*y^4*z^2 + 14178*y^5*z^2 - 11102*y^6*z^2 + 3320*y^7*z^2 - 180*z^3 + 932*y*z^3 - 2690*y^2*z^3 + 1476*y^3*z^3 + 6510*y^4*z^3 - 10374*y^5*z^3 + 4326*y^6*z^3 + 68*z^4 - 2272*y*z^4 + 8609*y^2*z^4 - 9360*y^3*z^4 + 1401*y^4*z^4 + 1422*y^5*z^4 - 68*z^5 + 4139*y*z^5 - 11055*y^2*z^5 + 8844*y^3*z^5 - 1992*y^4*z^5 + 324*z^6 - 3735*y*z^6 + 5931*y^2*z^6 - 2520*y^3*z^6 - 348*z^7 + 1398*y*z^7 - 1050*y^2*z^7 + 114*z^8 - 114*y*z^8))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))*G[1 - y, 0, 1 - y, z] + ((10*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((I/36)*(-8*y + 41*y^2 - 84*y^3 + 113*y^4 - 158*y^5 + 174*y^6 - 104*y^7 + 26*y^8 - 8*z + 61*y*z - 155*y^2*z + 266*y^3*z - 418*y^4*z + 380*y^5*z - 74*y^6*z - 104*y^7*z + 52*y^8*z + 20*z^2 - 95*y*z^2 + 171*y^2*z^2 - 362*y^3*z^2 + 368*y^4*z^2 + 192*y^5*z^2 - 502*y^6*z^2 + 208*y^7*z^2 - 24*z^3 - 254*y*z^3 + 986*y^2*z^3 - 1128*y^3*z^3 + 780*y^4*z^3 - 690*y^5*z^3 + 330*y^6*z^3 - 248*z^4 + 2176*y*z^4 - 4655*y^2*z^4 + 3894*y^3*z^4 - 1419*y^4*z^4 + 276*y^5*z^4 + 1112*z^5 - 5105*y*z^5 + 7251*y^2*z^5 - 3852*y^3*z^5 + 618*y^4*z^5 - 1740*z^6 + 5167*y*z^6 - 4693*y^2*z^6 + 1266*y^3*z^6 + 1192*z^7 - 2246*y*z^7 + 1054*y^2*z^7 - 304*z^8 + 304*y*z^8))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)))*G[1 - y, 1, 0, z] + (-1/3*(Pi*(-13*y^3 + 39*y^4 - 39*y^5 + 13*y^6 + 13*y^3*z - 39*y^5* z + 26*y^6*z + 39*y^3*z^2 - 117*y^4*z^2 + 78*y^5*z^2 + 26* z^3 - 78*y*z^3 + 78*y^2*z^3 - 83*y^3*z^3 + 78*y^4*z^3 - 104* z^4 + 234*y*z^4 - 156*y^2*z^4 + 44*y^3*z^4 + 156*z^5 - 234*y* z^5 + 78*y^2*z^5 - 104*z^6 + 78*y*z^6 + 26*z^7))/ (y^2*z^2*(-1 + y + z)^2) + ((I/36)*(4*y^2 - 16*y^3 + 24*y^4 + 87*y^5 - 408*y^6 + 618*y^7 - 412*y^8 + 103*y^9 + 8*y*z - 48*y^2*z + 88*y^3*z + 246*y^4*z - 963*y^5*z + 801*y^6*z + 379*y^7*z - 795*y^8*z + 284*y^9*z + 4*z^2 - 48*y*z^2 + 128*y^2*z^2 + 246*y^3*z^2 - 1110*y^4*z^2 + 258*y^5*z^2 + 2264*y^6*z^2 - 2556*y^7*z^2 + 814*y^8*z^2 - 16*z^3 + 88*y*z^3 + 36*y^2*z^3 - 1314*y^3*z^3 + 2652*y^4*z^3 - 874*y^5*z^3 - 442*y^6*z^3 - 130*y^7*z^3 + 24*z^4 - 504*y*z^4 + 696*y^2*z^4 + 2859*y^3*z^4 - 6686*y^4*z^4 + 5901*y^5*z^4 - 2458*y^6*z^4 - 300*z^5 + 2442*y*z^5 - 2928*y^2*z^5 - 3739*y^3*z^5 + 7785*y^4*z^5 - 3596*y^5*z^5 + 1140*z^6 - 4914*y*z^6 + 4058*y^2*z^6 + 2006*y^3*z^6 - 2458*y^4*z^6 - 1704*z^7 + 4594*y*z^7 - 2760*y^2*z^7 - 130*y^3*z^7 + 1136*z^8 - 1950*y*z^8 + 814*y^2*z^8 - 284*z^9 + 284*y*z^9))/ ((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[1 - y, 1 - y, 0, z] + ((-6*Pi*y*(-1 + y + z)*(1 + 2*z))/z^2 - ((I/12)*(-81*y^3 + 162*y^4 - 81*y^5 - 137*y^2*z + 452*y^3*z - 453*y^4*z + 138*y^5*z + 8*y*z^2 + 384*y^2*z^2 - 857*y^3*z^2 + 498*y^4*z^2 + 124*z^3 - 278*y*z^3 - 325*y^2*z^3 + 576*y^3*z^3 - 372*z^4 + 532*y*z^4 + 78*y^2*z^4 + 372*z^5 - 262*y*z^5 - 124*z^6))/(y*z^2*(-1 + y + z)*(y + z)))*G[1 - y, 1 - y, 1 - y, z] + ((4*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/ (3*y^2*z^2) - ((I/36)*(-12*y + 51*y^2 - 96*y^3 + 189*y^4 - 402*y^5 + 504*y^6 - 308*y^7 + 74*y^8 - 12*z + 105*y*z - 285*y^2*z + 444*y^3*z - 612*y^4*z + 498*y^5*z + 94*y^6*z - 404*y^7*z + 172*y^8*z + 54*z^2 - 309*y*z^2 + 807*y^2*z^2 - 1302*y^3*z^2 + 660*y^4*z^2 + 1362*y^5*z^2 - 2092*y^6*z^2 + 820*y^7*z^2 - 120*z^3 + 626*y*z^3 - 1982*y^2*z^3 + 3006*y^3*z^3 - 710*y^4*z^3 - 2116*y^5*z^3 + 1296*y^6*z^3 + 50*z^4 - 502*y*z^4 + 2396*y^2*z^4 - 3182*y^3*z^4 + 694*y^4*z^4 + 568*y^5*z^4 + 364*z^5 - 688*y*z^5 - 552*y^2*z^5 + 1208*y^3*z^5 - 308*y^4*z^5 - 744*z^6 + 1512*y*z^6 - 708*y^2*z^6 - 60*y^3*z^6 + 552*z^7 - 864*y*z^7 + 312*y^2*z^7 - 144*z^8 + 144*y*z^8))/((-1 + y)*y^2*z^2*(-1 + y + z)^2* (y + z)))*G[1 - y, -y, 1 - y, z] + (-((Pi*(-1 + y + z)*(y + 6*z - 6*z^2))/y^2) + ((I/36)*(-46*y^4 + 60*y^5 - 24*y^6 + 2*y^7 - 10*y^3*z + 76*y^4*z + 42*y^5*z - 58*y^6*z + 4*y^7*z - 183*y^2*z^2 + 589*y^3*z^2 - 390*y^4*z^2 + 60*y^5*z^2 - 2*y^6*z^2 - 295*y*z^3 + 1542*y^2*z^3 - 2094*y^3*z^3 + 912*y^4*z^3 - 156*y^5*z^3 - 40*z^4 + 1213*y*z^4 - 3174*y^2*z^4 + 2202*y^3*z^4 - 450*y^4*z^4 + 244*z^5 - 1980*y*z^5 + 2538*y^2*z^5 - 690*y^3*z^5 - 444*z^6 + 1456*y*z^6 - 708*y^2*z^6 + 328*z^7 - 406*y*z^7 - 88*z^8))/(y^2*z^2*(-1 + y + z)^2*(y + z)))* G[-y, 0, 1 - y, z] + ((-13*Pi*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(3*y^2*z^2) + ((I/12)*(-64*y^5 + 142*y^6 - 112*y^7 + 30*y^8 - 64*y^4*z + 202*y^5*z - 40*y^6*z - 162*y^7*z + 86*y^8*z + 2*y^3*z^2 + 136*y^4*z^2 + 155*y^5*z^2 - 631*y^6*z^2 + 344*y^7*z^2 - 226*y^2*z^3 + 750*y^3*z^3 - 754*y^4*z^3 - 267*y^5*z^3 + 464*y^6*z^3 + 122*y*z^4 + 310*y^2*z^4 - 1242*y^3*z^4 + 822*y^4*z^4 + 136*y^5*z^4 + 146*z^5 - 872*y*z^5 + 590*y^2*z^5 + 430*y^3*z^5 - 140*y^4*z^5 - 508*z^6 + 1659*y*z^6 - 1089*y^2*z^6 + 136*y^3*z^6 + 664*z^7 - 1257*y*z^7 + 464*y^2*z^7 - 388*z^8 + 344*y*z^8 + 86*z^9))/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, 1 - y, 0, z] + ((Pi*(-1 + y + z)*(8*y^3 + 16*y^3*z + 3*y*z^2 + 18*z^3 - 18*z^4))/ (3*y^2*z^2) - ((I/36)*(-175*y^4 + 507*y^5 - 516*y^6 + 172*y^7 - 151*y^3*z + 628*y^4*z - 432*y^5*z - 458*y^6*z + 392*y^7*z - 261*y^2*z^2 + 778*y^3*z^2 + 252*y^4*z^2 - 2502*y^5*z^2 + 1688*y^6*z^2 - 401*y*z^3 + 2064*y^2*z^3 - 2022*y^3*z^3 - 2052*y^4*z^3 + 2682*y^5*z^3 - 44*z^4 + 1619*y*z^4 - 4302*y^2*z^4 + 1896*y^3*z^4 + 1554*y^4*z^4 + 212*z^5 - 2466*y*z^5 + 3510*y^2*z^5 - 444*y^3*z^5 - 354*z^6 + 1682*y*z^6 - 972*y^2*z^6 + 248*z^7 - 422*y*z^7 - 62*z^8))/ (y^2*z^2*(-1 + y + z)^2*(y + z)))*G[-y, 1 - y, 1 - y, z] + (-1/3*(Pi*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 - 22*z^3 + 22* z^4))/(y^2*z^2) + ((I/12)*(-4*y^4 + 4*y^5 + 4*y^4*z + 12*y^5*z - 39*y^2*z^2 - 45*y^3*z^2 + 54*y^4*z^2 - 19*y*z^3 + 52*y^2*z^3 - 6*y^3*z^3 + 36*z^4 + 25*y*z^4 - 90*y^2*z^4 - 72*z^5 - 6*y*z^5 + 36*z^6))/(y^2*z^2*(y + z)))* G[-y, -y, 1 - y, z] + (((34*I)/3)*y*(-1 + z)*z*G[0, 0, 0, 0, z])/ (-1 + y + z)^2 + ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 48*y^3*z^2 - 54*y^4*z^2 + 24*y^5*z^2 + 70*z^3 - 237*y*z^3 + 264*y^2*z^3 - 56*y^3*z^3 + 24*y^4*z^3 - 280*z^4 + 657*y*z^4 - 447*y^2*z^4 + 8*y^3*z^4 + 420*z^5 - 639*y*z^5 + 210*y^2*z^5 - 280*z^6 + 210*y*z^6 + 70*z^7)*G[0, 0, 0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - (((4*I)/3)*(-1 + z)*z* (-1 + 3*y - 3*y^2 + 6*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3)*G[0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 31*z^3 - 31*z^4)* G[0, 0, 1 - y, 0, z])/(y^2*z^2) - ((I/6)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 6*y^3*z - 18*y^5*z + 12*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 51*y^3*z^2 - 69*y^4*z^2 + 36*y^5*z^2 + 70*z^3 - 237*y*z^3 + 264*y^2*z^3 - 85*y^3*z^3 + 36*y^4*z^3 - 280*z^4 + 657*y*z^4 - 447*y^2*z^4 + 34*y^3*z^4 + 420*z^5 - 639*y*z^5 + 210*y^2*z^5 - 280*z^6 + 210*y*z^6 + 70*z^7)* G[0, 0, 1 - y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/2)*(-1 + y + z)*(y + 10*z - 10*z^2)*G[0, 0, -y, 1 - y, z])/y^2 - (((2*I)/3)*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 13*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3)*G[0, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z + 12*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)*G[0, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-11 + 33*y - 33*y^2 + 9*y^3 + 33*z - 66*y*z + 33*y^2*z - 33*z^2 + 33*y*z^2 + 11*z^3)*G[0, 1, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-7 + 21*y - 21*y^2 + 8*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 7*z^3)* G[0, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y^3*z^2 - 18*y^4*z^2 + 12*y^5*z^2 + 20*z^3 - 60*y*z^3 + 60*y^2*z^3 - 25*y^3*z^3 + 12*y^4*z^3 - 80*z^4 + 180*y*z^4 - 120*y^2*z^4 + 19*y^3*z^4 + 120*z^5 - 180*y*z^5 + 60*y^2*z^5 - 80*z^6 + 60*y*z^6 + 20*z^7)*G[0, 1 - y, 0, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 33*y^3*z^2 - 33*y^4*z^2 + 12*y^5*z^2 + 52*z^3 - 174*y*z^3 + 192*y^2*z^3 - 27*y^3*z^3 + 12*y^4*z^3 - 208*z^4 + 486*y*z^4 - 330*y^2*z^4 - 6*y^3*z^4 + 312*z^5 - 474*y*z^5 + 156*y^2*z^5 - 208*z^6 + 156*y*z^6 + 52*z^7)*G[0, 1 - y, 0, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + (((2*I)/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 + 10*z^3 - 30*y*z^3 + 30*y^2*z^3 - 20*y^3*z^3 + 6*y^4*z^3 - 40*z^4 + 90*y*z^4 - 60*y^2*z^4 + 17*y^3*z^4 + 60*z^5 - 90*y*z^5 + 30*y^2*z^5 - 40*z^6 + 30*y*z^6 + 10*z^7)*G[0, 1 - y, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + (((7*I)/6)*(-1 + y + z)* (y^3 + 2*y^3*z + 10*z^3 - 10*z^4)*G[0, 1 - y, 1 - y, 0, z])/ (y^2*z^2) + ((I/6)*(-10*y^3 + 30*y^4 - 30*y^5 + 10*y^6 + 10*y^3*z - 30*y^5*z + 20*y^6*z + 9*y*z^2 - 27*y^2*z^2 + 57*y^3*z^2 - 99*y^4*z^2 + 60*y^5*z^2 + 62*z^3 - 213*y*z^3 + 240*y^2*z^3 - 143*y^3*z^3 + 60*y^4*z^3 - 248*z^4 + 585*y*z^4 - 399*y^2*z^4 + 86*y^3*z^4 + 372*z^5 - 567*y*z^5 + 186*y^2*z^5 - 248*z^6 + 186*y*z^6 + 62*z^7)*G[0, 1 - y, 1 - y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 20*z + 69*y*z - 78*y^2*z + 27*y^3*z + 80*z^2 - 189*y*z^2 + 129*y^2*z^2 - 18*y^3*z^2 - 120*z^3 + 183*y*z^3 - 60*y^2*z^3 + 80*z^4 - 60*y*z^4 - 20*z^5)*G[0, 1 - y, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z + 15*y^3*z^2 - 39*y^4*z^2 + 24*y^5*z^2 + 16*z^3 - 48*y*z^3 + 48*y^2*z^3 - 21*y^3*z^3 + 24*y^4*z^3 - 64*z^4 + 144*y*z^4 - 96*y^2*z^4 + 6*y^3*z^4 + 96*z^5 - 144*y*z^5 + 48*y^2*z^5 - 64*z^6 + 48*y*z^6 + 16*z^7)* G[0, -y, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-1 + y + z)*(9*y^3 + 18*y^3*z + 106*z^3 - 106*z^4)* G[0, -y, 1 - y, 0, z])/(y^2*z^2) - ((I/6)*(-4*y^3 + 12*y^4 - 12*y^5 + 4*y^6 + 4*y^3*z - 12*y^5*z + 8*y^6*z - 3*y*z^2 + 9*y^2*z^2 + 3*y^3*z^2 - 33*y^4*z^2 + 24*y^5*z^2 - 34*z^3 + 111*y*z^3 - 120*y^2*z^3 + 31*y^3*z^3 + 24*y^4*z^3 + 136*z^4 - 315*y*z^4 + 213*y^2*z^4 - 34*y^3*z^4 - 204*z^5 + 309*y*z^5 - 102*y^2*z^5 + 136*z^6 - 102*y*z^6 - 34*z^7)* G[0, -y, 1 - y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 + 22*z^3 - 22*z^4)* G[0, -y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + z)*z*(-31 + 93*y - 93*y^2 + 51*y^3 + 93*z - 186*y*z + 93*y^2*z - 93*z^2 + 93*y*z^2 + 31*z^3)*G[1, 0, 0, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/6)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z + 12*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)*G[1, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(5 - 15*y + 15*y^2 + 3*y^3 - 15*z + 30*y*z - 15*y^2*z + 15*z^2 - 15*y*z^2 - 5*z^3)*G[1, 0, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-21 + 63*y - 63*y^2 + 20*y^3 + 63*z - 126*y*z + 63*y^2*z - 63*z^2 + 63*y*z^2 + 21*z^3)* G[1, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 26*z + 87*y*z - 96*y^2*z + 12*y^3*z + 104*z^2 - 243*y*z^2 + 165*y^2*z^2 - 156*z^3 + 237*y*z^3 - 78*y^2*z^3 + 104*z^4 - 78*y*z^4 - 26*z^5)* G[1, 0, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[1, 0, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (((26*I)/3)*(-1 + z)*z*(-1 + y + z)* G[1, 1, 0, 0, z])/y^2 - (((2*I)/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 22*z + 75*y*z - 84*y^2*z + 12*y^3*z + 88*z^2 - 207*y*z^2 + 141*y^2*z^2 - 132*z^3 + 201*y*z^3 - 66*y^2*z^3 + 88*z^4 - 66*y*z^4 - 22*z^5)*G[1, 1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-1 + z)*z*(-11 + 33*y - 33*y^2 + 9*y^3 + 33*z - 66*y*z + 33*y^2*z - 33*z^2 + 33*y*z^2 + 11*z^3)* G[1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (I*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 3*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[1, 1, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) + (((4*I)/3)*(-1 + z)*z*(-11 + 33*y - 33*y^2 + 13*y^3 + 33*z - 66*y*z + 33*y^2*z - 33*z^2 + 33*y*z^2 + 11*z^3)* G[1, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2) + ((I/3)*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 28*z + 93*y*z - 102*y^2*z + 24*y^3*z + 112*z^2 - 261*y*z^2 + 177*y^2*z^2 - 12*y^3*z^2 - 168*z^3 + 255*y*z^3 - 84*y^2*z^3 + 112*z^4 - 84*y*z^4 - 28*z^5)* G[1, 1 - y, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-15 + 45*y - 45*y^2 + 11*y^3 + 45*z - 90*y*z + 45*y^2*z - 45*z^2 + 45*y*z^2 + 15*z^3)* G[1, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z*(-23 + 69*y - 69*y^2 + 20*y^3 + 69*z - 138*y*z + 69*y^2*z - 69*z^2 + 69*y*z^2 + 23*z^3)* G[1, 1 - y, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + (((2*I)/3)*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[1, 1 - y, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((I/3)*(-y^3 + 3*y^4 - 3*y^5 + y^6 + y^3*z - 3*y^5*z + 2*y^6*z + 3*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 31*z^3 + 93*y*z^3 - 93*y^2*z^3 + 16*y^3*z^3 + 6*y^4*z^3 + 124*z^4 - 279*y*z^4 + 186*y^2*z^4 - 19*y^3*z^4 - 186*z^5 + 279*y*z^5 - 93*y^2*z^5 + 124*z^6 - 93*y*z^6 - 31*z^7)*G[1 - y, 0, 0, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-9*y + 27*y^2 - 24*y^3 + 6*y^4 - 70*z + 237*y*z - 264*y^2*z + 108*y^3*z + 280*z^2 - 657*y*z^2 + 447*y^2*z^2 - 84*y^3*z^2 - 420*z^3 + 639*y*z^3 - 210*y^2*z^3 + 280*z^4 - 210*y*z^4 - 70*z^5)*G[1 - y, 0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 20*z^3 + 20*z^4)*G[1 - y, 0, 1, 0, z])/(y^2*z^2) - ((I/6)*(-31*y^3 + 93*y^4 - 93*y^5 + 31*y^6 + 31*y^3*z - 93*y^5*z + 62*y^6*z + 93*y^3*z^2 - 279*y^4*z^2 + 186*y^5*z^2 + 52*z^3 - 156*y*z^3 + 156*y^2*z^3 - 203*y^3*z^3 + 186*y^4*z^3 - 208*z^4 + 468*y*z^4 - 312*y^2*z^4 + 110*y^3*z^4 + 312*z^5 - 468*y*z^5 + 156*y^2*z^5 - 208*z^6 + 156*y*z^6 + 52*z^7)*G[1 - y, 0, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) + ((I/3)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z + 6*y*z^2 - 18*y^2*z^2 + 33*y^3*z^2 - 51*y^4*z^2 + 30*y^5*z^2 + 40*z^3 - 138*y*z^3 + 156*y^2*z^3 - 75*y^3*z^3 + 30*y^4*z^3 - 160*z^4 + 378*y*z^4 - 258*y^2*z^4 + 42*y^3*z^4 + 240*z^5 - 366*y*z^5 + 120*y^2*z^5 - 160*z^6 + 120*y*z^6 + 40*z^7)* G[1 - y, 0, 1 - y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-5*y^3 + 15*y^4 - 15*y^5 + 5*y^6 + 5*y^3*z - 15*y^5*z + 10*y^6*z - 3*y*z^2 + 9*y^2*z^2 + 6*y^3*z^2 - 42*y^4*z^2 + 30*y^5*z^2 - 20*z^3 + 69*y*z^3 - 78*y^2*z^3 + 30*y^4*z^3 + 80*z^4 - 189*y*z^4 + 129*y^2*z^4 - 6*y^3*z^4 - 120*z^5 + 183*y*z^5 - 60*y^2*z^5 + 80*z^6 - 60*y*z^6 - 20*z^7)* G[1 - y, 0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 + 2*y^3*z - 6*y^5*z + 4*y^6*z + 6*y^3*z^2 - 18*y^4*z^2 + 12*y^5*z^2 - 17*z^3 + 51*y*z^3 - 51*y^2*z^3 + 11*y^3*z^3 + 12*y^4*z^3 + 68*z^4 - 153*y*z^4 + 102*y^2*z^4 - 17*y^3*z^4 - 102*z^5 + 153*y*z^5 - 51*y^2*z^5 + 68*z^6 - 51*y*z^6 - 17*z^7)*G[1 - y, 1, 0, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + ((I/6)*(-15*y + 45*y^2 - 42*y^3 + 12*y^4 - 106*z + 363*y*z - 408*y^2*z + 166*y^3*z + 424*z^2 - 999*y*z^2 + 681*y^2*z^2 - 124*y^3*z^2 - 636*z^3 + 969*y*z^3 - 318*y^2*z^3 + 424*z^4 - 318*y*z^4 - 106*z^5)*G[1 - y, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (((2*I)/3)*(-1 + z)*z* (-11 + 33*y - 33*y^2 + 12*y^3 + 33*z - 66*y*z + 33*y^2*z - 33*z^2 + 33*y*z^2 + 11*z^3)*G[1 - y, 1, 1, 0, z])/ (y^2*(-1 + y + z)^2) - ((I/6)*(-9*y^3 + 27*y^4 - 27*y^5 + 9*y^6 + 9*y^3*z - 27*y^5*z + 18*y^6*z + 27*y^3*z^2 - 81*y^4*z^2 + 54*y^5*z^2 + 16*z^3 - 48*y*z^3 + 48*y^2*z^3 - 53*y^3*z^3 + 54*y^4*z^3 - 64*z^4 + 144*y*z^4 - 96*y^2*z^4 + 26*y^3*z^4 + 96*z^5 - 144*y*z^5 + 48*y^2*z^5 - 64*z^6 + 48*y*z^6 + 16*z^7)* G[1 - y, 1, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/3)*(-12*y^3 + 36*y^4 - 36*y^5 + 12*y^6 + 12*y^3*z - 36*y^5*z + 24*y^6*z + 36*y^3*z^2 - 108*y^4*z^2 + 72*y^5*z^2 + 35*z^3 - 105*y*z^3 + 105*y^2*z^3 - 89*y^3*z^3 + 72*y^4*z^3 - 140*z^4 + 315*y*z^4 - 210*y^2*z^4 + 53*y^3*z^4 + 210*z^5 - 315*y*z^5 + 105*y^2*z^5 - 140*z^6 + 105*y*z^6 + 35*z^7)*G[1 - y, 1 - y, 0, 0, z])/(y^2*z^2*(-1 + y + z)^2) - ((I/6)*(-9*y + 27*y^2 - 27*y^3 + 9*y^4 - 62*z + 213*y*z - 240*y^2*z + 97*y^3*z + 248*z^2 - 585*y*z^2 + 399*y^2*z^2 - 70*y^3*z^2 - 372*z^3 + 567*y*z^3 - 186*y^2*z^3 + 248*z^4 - 186*y*z^4 - 62*z^5)*G[1 - y, 1 - y, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((5*I)*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 1, 0, z])/y^2 + ((I/6)*(-35*y^3 + 105*y^4 - 105*y^5 + 35*y^6 + 35*y^3*z - 105*y^5*z + 70*y^6*z + 105*y^3*z^2 - 315*y^4*z^2 + 210*y^5*z^2 + 70*z^3 - 210*y*z^3 + 210*y^2*z^3 - 237*y^3*z^3 + 210*y^4*z^3 - 280*z^4 + 630*y*z^4 - 420*y^2*z^4 + 132*y^3*z^4 + 420*z^5 - 630*y*z^5 + 210*y^2*z^5 - 280*z^6 + 210*y*z^6 + 70*z^7)* G[1 - y, 1 - y, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2) - (((17*I)/3)*y*(-1 + y + z)*(1 + 2*z)*G[1 - y, 1 - y, 1 - y, 1 - y, z])/z^2 + (((2*I)/3)*(-1 + y + z)*(5*y^3 + 10*y^3*z + 2*z^3 - 2*z^4)*G[1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 3*y*z^2 + 14*z^3 - 14*z^4)* G[1 - y, -y, 0, 1 - y, z])/(y^2*z^2) - (((13*I)/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, -y, 1 - y, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(6*y^3 + 12*y^3*z + 3*y*z^2 + 14*z^3 - 14*z^4)* G[1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z - 3*y*z^2 - 22*z^3 + 22*z^4)* G[1 - y, -y, -y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(3*y^3 + 6*y^3*z - 6*y*z^2 - 46*z^3 + 46*z^4)* G[-y, 0, 0, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)* G[-y, 0, 1, 0, z])/(y^2*z^2) - (((4*I)/3)*(-1 + y + z)* (2*y^3 + 4*y^3*z - 7*z^3 + 7*z^4)*G[-y, 0, 1 - y, 0, z])/ (y^2*z^2) - (((2*I)/3)*(-1 + y + z)*(2*y^3 + 4*y^3*z + 3*y*z^2 + 22*z^3 - 22*z^4)*G[-y, 0, 1 - y, 1 - y, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(4*y^3 + 8*y^3*z - 3*y*z^2 - 30*z^3 + 30*z^4)* G[-y, 0, -y, 1 - y, z])/(y^2*z^2) - (((13*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 0, 0, z])/(y^2*z^2) + ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z - 6*y*z^2 - 42*z^3 + 42*z^4)* G[-y, 1 - y, 0, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(y^3 + 2*y^3*z + 10*z^3 - 10*z^4)* G[-y, 1 - y, 1, 0, z])/(y^2*z^2) + (((13*I)/6)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, 1 - y, 1 - y, 0, z])/ (y^2*z^2) + ((I/6)*(-1 + y + z)*(20*y^3 + 40*y^3*z + 9*y*z^2 + 62*z^3 - 62*z^4)*G[-y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) - ((I/3)*(-1 + y + z)*(8*y^3 + 16*y^3*z - 3*y*z^2 - 10*z^3 + 10*z^4)* G[-y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + ((I/2)*(-1 + y + z)*(2*y^3 + 4*y^3*z - y*z^2 - 10*z^3 + 10*z^4)* G[-y, -y, 0, 1 - y, z])/(y^2*z^2) + (((22*I)/3)*(-1 + y + z)* (y^3 + 2*y^3*z - 2*z^3 + 2*z^4)*G[-y, -y, 1 - y, 0, z])/ (y^2*z^2) + ((I/3)*(-1 + y + z)*(3*y + 26*z - 26*z^2)* G[-y, -y, 1 - y, 1 - y, z])/y^2 + ((I/6)*(-1 + y + z)* (2*y^3 + 4*y^3*z - 3*y*z^2 - 22*z^3 + 22*z^4)*G[-y, -y, -y, 1 - y, z])/(y^2*z^2) + ((Pi*y*(-9 + 9*y - 49*z + 58*z^2))/ (3*(-1 + y + z)^2) - ((I/12)*(-60*y^2 + 180*y^3 - 180*y^4 + 60*y^5 - 470*y*z + 1575*y^2*z - 1584*y^3*z + 359*y^4*z + 120*y^5*z - 180*z^2 + 1752*y*z^2 - 3325*y^2*z^2 + 2025*y^3*z^2 - 236*y^4*z^2 + 540*z^3 - 2274*y*z^3 + 2442*y^2*z^3 - 692*y^3*z^3 - 540*z^4 + 1172*y*z^4 - 632*y^2*z^4 + 180*z^5 - 180*y*z^5))/((-1 + y)*y*z* (-1 + y + z)^2))*Zeta[3] + G[0, z]*((-4*Pi^3*y*(-1 + z)*z)/ (3*(-1 + y + z)^2) - ((I/216)*Pi^2*(-246*y^2 + 738*y^3 - 738*y^4 + 246*y^5 + 864*y*z - 1821*y^2*z + 1542*y^3*z - 1077*y^4*z + 492*y^5*z + 492*z^2 - 3954*y*z^2 + 7507*y^2*z^2 - 5779*y^3*z^2 + 1734*y^4*z^2 - 1476*z^3 + 5808*y*z^3 - 7174*y^2*z^3 + 2926*y^3*z^3 + 1476*z^4 - 3210*y*z^4 + 1734*y^2*z^4 - 492*z^5 + 492*y*z^5))/((-1 + y)*y*z* (-1 + y + z)^2) - (Pi*(4*y - 12*y^2 - 50*y^3 + 190*y^4 - 198*y^5 + 66*y^6 + 4*z - 24*y*z + 195*y^2*z - 227*y^3*z + 91*y^4*z - 183*y^5*z + 144*y^6*z - 12*z^2 + 558*y*z^2 - 2148*y^2*z^2 + 3991*y^3*z^2 - 3217*y^4*z^2 + 828*y^5*z^2 + 160*z^3 - 2018*y*z^3 + 5866*y^2*z^3 - 6593*y^3*z^3 + 2765*y^4*z^3 - 440*z^4 + 2596*y*z^4 - 4741*y^2*z^4 + 2765*y^3*z^4 + 432*z^5 - 1260*y*z^5 + 828*y^2*z^5 - 144*z^6 + 144*y*z^6))/(18*(-1 + y)*y*z*(-1 + y + z)^2*(y + z)) + ((I/216)*(200*y - 705*y^2 - 1160*y^3 + 6005*y^4 - 6510*y^5 + 2170*y^6 + 200*z - 1059*y*z + 1664*y^2*z + 3772*y^3*z - 4089*y^4*z - 5296*y^5*z + 4808*y^6*z - 354*z^2 + 14339*y*z^2 - 52121*y^2*z^2 + 107673*y^3*z^2 - 96505*y^4*z^2 + 26968*y^5*z^2 + 5116*z^3 - 58067*y*z^3 + 171999*y^2*z^3 - 200218*y^3*z^3 + 88370*y^4*z^3 - 14578*z^4 + 81171*y*z^4 - 147763*y^2*z^4 + 88370*y^3*z^4 + 14424*z^5 - 41392*y*z^5 + 26968*y^2*z^5 - 4808*z^6 + 4808*y*z^6))/((-1 + y)*y*z* (-1 + y + z)^2*(y + z)) + (((28*I)/3)*y*(-1 + z)*z*Zeta[3])/ (-1 + y + z)^2) + G[1, z]*((Pi^3*(-3*y + 9*y^2 - 12*y^3 + 6*y^4 - 22*z + 75*y*z - 84*y^2*z + 12*y^3*z + 88*z^2 - 207*y*z^2 + 141*y^2*z^2 - 132*z^3 + 201*y*z^3 - 66*y^2*z^3 + 88*z^4 - 66*y*z^4 - 22*z^5))/(18*y^2*(-1 + y + z)^2) - ((I/216)*Pi^2*(12 - 18*y - 47*y^3 + 99*y^4 - 54*y^5 - 84*z + 108*y*z + 102*y^2*z - 139*y^3*z + 54*y^4*z - 54*y^5*z + 108*z^2 + 30*y*z^2 + 258*y^2*z^2 - 825*y^3*z^2 + 153*y^4*z^2 + 108*y^5*z^2 - 70*z^3 + 126*y*z^3 - 1452*y^2*z^3 + 1175*y^3*z^3 - 90*y^4*z^3 + 460*z^4 - 1368*y*z^4 + 1722*y^2*z^4 - 164*y^3*z^4 - 1032*z^5 + 1806*y*z^5 - 630*y^2*z^5 + 844*z^6 - 684*y*z^6 - 238*z^7))/ (y^2*z^2*(-1 + y + z)^2) - ((I/2)*(-7*y + 21*y^2 - 28*y^3 + 14*y^4 - 30*z + 111*y*z - 132*y^2*z - 8*y^3*z + 120*z^2 - 291*y*z^2 + 201*y^2*z^2 + 36*y^3*z^2 - 180*z^3 + 277*y*z^3 - 90*y^2*z^3 + 120*z^4 - 90*y*z^4 - 30*z^5)*Zeta[3])/ (y^2*(-1 + y + z)^2)) + G[1 - y, z]* ((Pi*(4*y - 10*y^2 + 68*y^3 - 174*y^4 + 168*y^5 - 56*y^6 + 4*z - 22*y*z + 244*y^2*z - 1609*y^3*z + 3553*y^4*z - 3171*y^5*z + 1001*y^6*z - 12*z^2 + 156*y*z^2 - 1245*y^2*z^2 + 4945*y^3*z^2 - 6847*y^4*z^2 + 3003*y^5*z^2 + 160*z^3 - 430*y*z^3 + 1744*y^2*z^3 - 4189*y^3*z^3 + 2895*y^4*z^3 - 440*z^4 + 616*y*z^4 - 781*y^2*z^4 + 785*y^3*z^4 + 432*z^5 - 468*y*z^5 + 36*y^2*z^5 - 144*z^6 + 144*y*z^6))/(18*(-1 + y)*y*z^2* (-1 + y + z)*(y + z)) - ((I/216)*(200*y - 617*y^2 - 1509*y^3 + 6612*y^4 - 7029*y^5 + 2343*y^6 + 200*z - 971*y*z + 2106*y^2*z - 26313*y^3*z + 80961*y^4*z - 87489*y^5*z + 31506*y^6*z - 354*z^2 + 1531*y*z^2 - 18862*y^2*z^2 + 121857*y^3*z^2 - 198690*y^4*z^2 + 94518*y^5*z^2 + 5116*z^3 - 7715*y*z^3 + 37894*y^2*z^3 - 119685*y^3*z^3 + 91590*y^4*z^3 - 14578*z^4 + 18451*y*z^4 - 22323*y^2*z^4 + 25650*y^3*z^4 + 14424*z^5 - 16304*y*z^5 + 1880*y^2*z^5 - 4808*z^6 + 4808*y*z^6))/ ((-1 + y)*y*z^2*(-1 + y + z)*(y + z)) + (Pi^3*(-35*y^3 + 105*y^4 - 105*y^5 + 35*y^6 + 35*y^3*z - 105*y^5*z + 70*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 114*y^3*z^2 - 318*y^4*z^2 + 210*y^5*z^2 + 22*z^3 - 75*y*z^3 + 84*y^2*z^3 - 190*y^3*z^3 + 210*y^4*z^3 - 88*z^4 + 207*y*z^4 - 141*y^2*z^4 + 76*y^3*z^4 + 132*z^5 - 201*y*z^5 + 66*y^2*z^5 - 88*z^6 + 66*y*z^6 + 22*z^7))/(18*y^2*z^2*(-1 + y + z)^2) + ((I/216)*Pi^2*(-12*y^2 + 30*y^3 - 18*y^4 - 946*y^5 + 3784*y^6 - 5694*y^7 + 3814*y^8 - 958*y^9 - 24*y*z + 144*y^2*z - 228*y^3*z - 2432*y^4*z + 13056*y^5*z - 24814*y^6*z + 21494*y^7*z - 8058*y^8*z + 862*y^9*z - 12*z^2 + 198*y*z^2 - 510*y^2*z^2 - 2287*y^3*z^2 + 17370*y^4*z^2 - 42521*y^5*z^2 + 48334*y^6*z^2 - 25380*y^7*z^2 + 4808*y^8*z^2 + 84*z^3 - 408*y*z^3 - 1190*y^2*z^3 + 12717*y^3*z^3 - 38821*y^4*z^3 + 56320*y^5*z^3 - 39554*y^6*z^3 + 10852*y^7*z^3 - 108*z^4 - 166*y*z^4 + 5538*y^2*z^4 - 21638*y^3*z^4 + 38648*y^4*z^4 - 34458*y^5*z^4 + 12304*y^6*z^4 + 70*z^5 + 612*y*z^5 - 6238*y^2*z^5 + 16360*y^3*z^5 - 18330*y^4*z^5 + 7766*y^5*z^5 - 460*z^6 + 1012*y*z^6 + 1808*y^2*z^6 - 5292*y^3*z^6 + 3052*y^4*z^6 + 1032*z^7 - 2414*y*z^7 + 1044*y^2*z^7 + 338*y^3*z^7 - 844*z^8 + 1428*y*z^8 - 584*y^2*z^8 + 238*z^9 - 238*y*z^9))/((-1 + y)*y^2*z^2*(-1 + y + z)^2*(y + z)^2) + ((I/6)*(-30*y^3 + 90*y^4 - 90*y^5 + 30*y^6 + 30*y^3*z - 90*y^5*z + 60*y^6*z - 21*y*z^2 + 63*y^2*z^2 + 36*y^3*z^2 - 258*y^4*z^2 + 180*y^5*z^2 - 90*z^3 + 333*y*z^3 - 396*y^2*z^3 + 4*y^3*z^3 + 180*y^4*z^3 + 360*z^4 - 873*y*z^4 + 603*y^2*z^4 - 40*y^3*z^4 - 540*z^5 + 831*y*z^5 - 270*y^2*z^5 + 360*z^6 - 270*y*z^6 - 90*z^7)*Zeta[3])/(y^2*z^2*(-1 + y + z)^2))) + (I*y*(-11 + 11*y - 111*z + 122*z^2)*Zeta[5])/(-1 + y + z)^2))}