{beta[3, 1] -> 0, beta[3, 2] -> Nf*((2*(y - z)*(-1 + 2*y + z)*(-1 + y + 2*z))/(3*(-1 + y)*(-1 + z)* (y + z)) + (2*(-1 + y + 2*z)*G[0, y])/(3*(-1 + y)^2) - (2*(-1 + 2*y + z)*G[0, z])/(3*(-1 + z)^2) + (2*(y - z)*G[1, y])/ (3*(y + z)^2) + (2*(y - z)*G[1 - y, z])/(3*(y + z)^2)) + (-1/6*(Pi^2*(y - z))/(-1 + y + z) + ((-1 + y + 2*z)*G[0, z]*G[1, y])/y + G[0, y]*(-(((y - z)*G[0, z])/(-1 + y + z)) - ((-1 + 2*y + z)*G[1 - y, z])/z) + ((y - z)*(-1 + 2*y + 2*z)*G[1, y]* G[-y, z])/(y*z) - ((-1 + y + 2*z)*G[0, 1, y])/y + ((-1 + y + 2*z)*G[0, 1 - y, z])/y + ((y - z)*G[1, 0, y])/(-1 + y + z) - ((-1 + 2*y + z)*(-1 + 2*z)*G[1, 0, z])/(y*(-1 + y + z)) + ((-1 + y + 2*z)*G[1 - y, 0, z])/y + ((y - z)*(-1 + 2*y + 2*z)*G[-y, 1 - y, z])/(y*z))/Nc + Nc*(-1/6*(Pi^2*(y - z))/(-1 + y + z) - (2*(y - z)*(-1 + 2*y + z)*(-1 + y + 2*z))/(3*(-1 + y)*(-1 + z)* (y + z)) + G[0, z]*((2*(-1 + 2*y + z))/(3*(-1 + z)^2) + ((-1 + y + 2*z)*G[1, y])/y) - (2*(y - z)*G[1 - y, z])/(3*(y + z)^2) + G[0, y]*((-2*(-1 + y + 2*z))/(3*(-1 + y)^2) - ((y - z)*G[0, z])/ (-1 + y + z) - ((-1 + 2*y + z)*G[1 - y, z])/z) + G[1, y]*((-2*(y - z))/(3*(y + z)^2) + ((y - z)*(-1 + 2*y + 2*z)* G[-y, z])/(y*z)) - ((-1 + y + 2*z)*G[0, 1, y])/y + ((-1 + y + 2*z)*G[0, 1 - y, z])/y + ((y - z)*G[1, 0, y])/(-1 + y + z) - ((-1 + 2*y + z)*(-1 + 2*z)*G[1, 0, z])/(y*(-1 + y + z)) + ((-1 + y + 2*z)*G[1 - y, 0, z])/y + ((y - z)*(-1 + 2*y + 2*z)*G[-y, 1 - y, z])/(y*z)) + eps*(Nf*((40*(y - z)*(-1 + 2*y + z)*(-1 + y + 2*z))/(9*(-1 + y)*(-1 + z)* (y + z)) + (((4*I)/3)*Pi*(y - z)*(-1 + 2*y + z)*(-1 + y + 2*z))/ ((-1 + y)*(-1 + z)*(y + z)) + ((((4*I)/3)*Pi*(-1 + y + 2*z))/(-1 + y)^2 + (4*(7 + 3*y)*(-1 + y + 2*z))/(9*(-1 + y)^2))*G[0, y] + ((((-4*I)/3)*Pi*(-1 + 2*y + z))/(-1 + z)^2 - (4*(-1 + 2*y + z)*(7 + 3*z))/(9*(-1 + z)^2))*G[0, z] + ((((4*I)/3)*Pi*(y - z))/(y + z)^2 - (4*(y - z)*(-10 + 3*y + 3*z))/ (9*(y + z)^2))*G[1 - y, z] + G[1, y]*((((4*I)/3)*Pi*(y - z))/(y + z)^2 - (4*(y - z)*(-10 + 3*y + 3*z))/(9*(y + z)^2) - (2*(y - z)*G[1 - y, z])/(y + z)^2) - (2*(-1 + y + 2*z)*G[0, 0, y])/ (-1 + y)^2 + (2*(-1 + 2*y + z)*G[0, 0, z])/(-1 + z)^2 - (2*(y - z)*G[1, 1, y])/(y + z)^2 - (2*(y - z)*G[1 - y, 1 - y, z])/ (y + z)^2) + (((-1/3*I)*Pi^3*(y - z))/(-1 + y + z) + (Pi^2*(y - z)*(-3*y^2 + 6*y^3 - 3*y^4 - 4*y*z + 12*y^2*z - 11*y^3*z + 3*y^4*z - 3*z^2 + 12*y*z^2 - 14*y^2*z^2 + 9*y^3*z^2 + 6*z^3 - 11*y*z^3 + 9*y^2*z^3 - 3*z^4 + 3*y*z^4))/(6*(-1 + y)*y*(-1 + z)*z* (-1 + y + z)*(y + z)) - (Pi^2*(-1 + 2*y + z)*(2*y - 2*y^2 + 3*z - 6*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, z])/ (6*y^2*(-1 + y + z)^2) - (3*y*(-1 + y + 2*z)*G[0, 0, y])/ (z*(-1 + y + z)) + (3*z*(-1 + 2*y + z)*G[0, 0, z])/(y*(-1 + y + z)) + (((-2*I)*Pi*(-1 + y + 2*z))/y + (3*y^2 - 3*y^3 - 2*z + 2*y*z + y^2*z + 3*y^3*z + 3*z^2 - 3*y*z^2 - z^3 - 3*y*z^3)/((-1 + y)*y*(-1 + z)* z))*G[0, 1, y] + (((2*I)*Pi*(-1 + y + 2*z))/y + (2*(-1 + y + 2*z))/((-1 + y)*y))*G[0, 1 - y, z] + (((2*I)*Pi*(y - z))/(-1 + y + z) + (-3*y + 6*y^2 - 3*y^3 - 7*z + 25*y*z - 19*y^2*z + 3*y^3*z + 19*z^2 - 32*y*z^2 + 9*y^2*z^2 - 12*z^3 + 6*y*z^3)/((-1 + z)*z*(-1 + y + z)*(y + z)))*G[1, 0, y] + G[1 - y, z]*(-1/6*(Pi^2*(y - z)*(3*y^4 - 12*y^5 + 18*y^6 - 12*y^7 + 3*y^8 + 11*y^3*z - 55*y^4*z + 105*y^5*z - 95*y^6*z + 40*y^7*z - 6*y^8*z + 14*y^2*z^2 - 100*y^3*z^2 + 247*y^4*z^2 - 282*y^5*z^2 + 156*y^6*z^2 - 38*y^7*z^2 + 3*y^8*z^2 + 11*y*z^3 - 100*y^2*z^3 + 316*y^3*z^3 - 449*y^4*z^3 + 315*y^5*z^3 - 107*y^6*z^3 + 14*y^7*z^3 + 3*z^4 - 55*y*z^4 + 247*y^2*z^4 - 449*y^3*z^4 + 390*y^4*z^4 - 172*y^5*z^4 + 32*y^6*z^4 - 12*z^5 + 105*y*z^5 - 282*y^2*z^5 + 315*y^3*z^5 - 172*y^4*z^5 + 42*y^5*z^5 + 18*z^6 - 95*y*z^6 + 156*y^2*z^6 - 107*y^3*z^6 + 32*y^4*z^6 - 12*z^7 + 40*y*z^7 - 38*y^2*z^7 + 14*y^3*z^7 + 3*z^8 - 6*y*z^8 + 3*y^2*z^8))/((-1 + y)^2*y^2*(-1 + z)^2*z^2*(-1 + y + z)* (y + z)^2) + ((-3*y + 3*y^2 - 3*z + 8*y*z + 3*z^2)*G[0, 0, y])/ z^2 - ((-3*y^2 + 9*y^3 - 9*y^4 + 3*y^5 - y*z + 11*y^2*z - 25*y^3*z + 21*y^4*z - 6*y^5*z + 3*z^2 - 6*y*z^2 + 2*y^2*z^2 + 7*y^3*z^2 - 9*y^4*z^2 + 3*y^5*z^2 - 11*z^3 + 17*y*z^3 - 14*y^2*z^3 + 3*y^3*z^3 + y^4*z^3 + 13*z^4 - 14*y*z^4 + 11*y^2*z^4 - 2*y^3*z^4 - 5*z^5 + 4*y*z^5 - 3*y^2*z^5)*G[0, 1, y])/ ((-1 + y)^2*y*(-1 + z)^2*z^2) - ((-y^2 + 2*y^3 - y^4 + 3*y^2*z - y^3*z - 4*y^4*z - 3*z^2 - 2*y*z^2 + 10*y^2*z^2 - 10*y^3*z^2 + y^4*z^2 + 5*z^3 + 17*y*z^3 - 19*y^2*z^3 + y^3*z^3 + 3*z^4 - 22*y*z^4 + 3*y^2*z^4 - 9*z^5 + 7*y*z^5 + 4*z^6)*G[1, 0, y])/ ((-1 + z)^2*z*(-1 + y + z)*(y + z)^2)) + (((-2*I)*Pi*(-1 + 2*y + z)*(-1 + 2*z))/(y*(-1 + y + z)) - ((-1 + 2*y + z)*(5*y - 5*y^2 + z - 8*y*z + 3*y^2*z + z^2 + 3*y*z^2))/ ((-1 + y)*y*(-1 + y + z)*(y + z)))*G[1, 0, z] - (3*(y - z)*(-1 + y + z)*G[1, 1, y])/(y*z) + G[0, z]*((Pi^2*(2 - 9*y + 15*y^2 - 11*y^3 + 3*y^4 - 9*z + 19*y*z - 11*y^2*z + y^3*z + 13*z^2 - 16*y*z^2 + 3*y^2*z^2 - 6*z^3 + 2*y*z^3))/(6*(-1 + y)^2*(-1 + y + z)^2) + (((2*I)*Pi*(-1 + y + 2*z))/y + (2*(-1 + y + 2*z))/((-1 + y)*y))* G[1, y] - ((2*y - 2*y^2 - 3*z - 2*y*z + 3*z^2)*G[0, 0, y])/ (-1 + y + z)^2 + ((-3*y + 11*y^2 - 11*y^3 + 3*y^4 - 3*z + 13*y*z - 23*y^2*z + 9*y^3*z + 3*z^2 - 6*y*z^2 + 3*y^2*z^2)*G[0, 1, y])/ ((-1 + y)^2*y^2) - ((2*y - 4*y^2 - y^3 + 3*y^4 - 2*z - 2*y*z + y^2*z + 3*y^3*z + 2*z^2 + 5*y*z^2 - 6*y^2*z^2 + 3*z^3 - 9*y*z^3 - 3*z^4)*G[1, 0, y])/((-1 + y + z)^2*(y + z)^2) - ((-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2)*G[1, 1, y])/y^2) + G[-y, z]*(-(((y^3 - y*z - 3*z^2 + 2*y*z^2 + 3*z^3)*G[0, 1, y])/ (y^2*z)) - ((-3*y + 3*y^2 - z + 3*y*z)*G[1, 0, y])/z^2 + ((y - z)*(-3*y^2 + 3*y^3 - y*z + y^2*z - 3*z^2 + y*z^2 + 3*z^3)* G[1, 1, y])/(y^2*z^2)) + (((2*I)*Pi*(-1 + y + 2*z))/y + (2*(-1 + y + 2*z))/((-1 + y)*y))*G[1 - y, 0, z] - (3*(y - z)*(-1 + y + z)*G[1 - y, 1 - y, z])/(y*z) + (((2*I)*Pi*(y - z)*(-1 + 2*y + 2*z))/(y*z) + ((y - z)*(2 - 3*y + y^2 - 3*z + 4*y*z + 3*y^2*z + z^2 + 3*y*z^2))/ ((-1 + y)*y*(-1 + z)*z))*G[-y, 1 - y, z] + G[0, y]*(-1/6*(Pi^2*(2 - 9*y + 13*y^2 - 6*y^3 - 9*z + 19*y*z - 16*y^2*z + 2*y^3*z + 15*z^2 - 11*y*z^2 + 3*y^2*z^2 - 11*z^3 + y*z^3 + 3*z^4))/((-1 + z)^2*(-1 + y + z)^2) + (((-2*I)*Pi*(y - z))/(-1 + y + z) + (2*(y - z))/((-1 + y + z)* (y + z)))*G[0, z] + (((-2*I)*Pi*(-1 + 2*y + z))/z - (2*(-1 + 2*y + z))/((-1 + z)*z))*G[1 - y, z] + ((-3*y + 3*y^2 + 2*z - 2*y*z - 2*z^2)*G[0, 0, z])/(-1 + y + z)^2 - ((-2 + z)*(-1 + 2*y + z)*(-1 + 3*z)*G[0, 1 - y, z])/((-1 + z)^2*z) - ((1 - y - z + 3*y*z)*G[1, 0, z])/(-1 + y + z)^2 - ((y - z)*(1 + y + z)*(-2 + 3*y + 3*z)*G[1 - y, 0, z])/ ((-1 + y + z)*(y + z)^2) - ((-3*y + 3*y^2 + 2*z - 2*y*z - 2*z^2)* G[1 - y, 1 - y, z])/z^2 - ((-3*y + 3*y^2 - z + 3*y*z)* G[-y, 1 - y, z])/z^2) + G[1, y]* ((Pi^2*(-4*y^3 + 17*y^4 - 33*y^5 + 43*y^6 - 41*y^7 + 24*y^8 - 6*y^9 - 5*y^2*z + 44*y^3*z - 124*y^4*z + 190*y^5*z - 185*y^6*z + 108*y^7*z - 30*y^8*z + 2*y^9*z - 8*y*z^2 + 66*y^2*z^2 - 219*y^3*z^2 + 375*y^4*z^2 - 388*y^5*z^2 + 241*y^6*z^2 - 73*y^7*z^2 + 6*y^8*z^2 - 3*z^3 + 54*y*z^3 - 248*y^2*z^3 + 500*y^3*z^3 - 550*y^4*z^3 + 364*y^5*z^3 - 127*y^6*z^3 + 14*y^7*z^3 + 15*z^4 - 142*y*z^4 + 430*y^2*z^4 - 583*y^3*z^4 + 425*y^4*z^4 - 173*y^5*z^4 + 28*y^6*z^4 - 30*z^5 + 188*y*z^5 - 390*y^2*z^5 + 360*y^3*z^5 - 172*y^4*z^5 + 36*y^5*z^5 + 30*z^6 - 132*y*z^6 + 185*y^2*z^6 - 112*y^3*z^6 + 29*y^4*z^6 - 15*z^7 + 46*y*z^7 - 41*y^2*z^7 + 14*y^3*z^7 + 3*z^8 - 6*y*z^8 + 3*y^2*z^8))/(6*(-1 + y)^2*y^2*(-1 + z)^2*(-1 + y + z)^2* (y + z)^2) - (3*(y - z)*(-1 + y + z)*G[1 - y, z])/(y*z) + (((2*I)*Pi*(y - z)*(-1 + 2*y + 2*z))/(y*z) + ((y - z)*(2 - 3*y + y^2 - 3*z + 4*y*z + 3*y^2*z + z^2 + 3*y*z^2))/ ((-1 + y)*y*(-1 + z)*z))*G[-y, z] - ((-3*y + 3*y^2 - 3*z + 8*y*z + 3*z^2)*G[0, 0, z])/y^2 - ((-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2)*G[0, 1 - y, z])/y^2 + ((-2*y^2 + 8*y^3 - 10*y^4 + 4*y^5 - 3*y*z + 20*y^2*z - 43*y^3*z + 40*y^4*z - 14*y^5*z - 3*z^2 + 19*y*z^2 - 55*y^2*z^2 + 57*y^3*z^2 - 28*y^4*z^2 + 6*y^5*z^2 + 9*z^3 - 35*y*z^3 + 63*y^2*z^3 - 35*y^3*z^3 + 6*y^4*z^3 - 9*z^4 + 25*y*z^4 - 29*y^2*z^4 + 9*y^3*z^4 + 3*z^5 - 6*y*z^5 + 3*y^2*z^5)* G[0, -y, z])/((-1 + y)^2*y^2*(-1 + z)^2*z) - ((-y - 3*z + 3*y*z + 3*z^2)*G[1, 0, z])/y^2 - ((-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2)*G[1 - y, 0, z])/y^2 - ((y - z)*(-1 + y + z)*(3 - 8*y + 5*y^2 - 8*z + 8*y*z - 4*y^2*z + 5*z^2 - 4*y*z^2 + 3*y^2*z^2)*G[1 - y, -y, z])/ ((-1 + y)^2*y*(-1 + z)^2*z) + ((-y - 3*z + 3*y*z + 3*z^2)* G[-y, 0, z])/y^2 + ((y - z)*(-3*y^2 + 3*y^3 - y*z + y^2*z - 3*z^2 + y*z^2 + 3*z^3)*G[-y, 1 - y, z])/(y^2*z^2) + ((y - z)*(-3*y^2 + 3*y^3 - 4*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, -y, z])/(y^2*z^2)) - ((-3*y + 13*y^2 - 21*y^3 + 17*y^4 - 6*y^5 - 3*z + 18*y*z - 45*y^2*z + 36*y^3*z - 12*y^4*z + 2*y^5*z + 9*z^2 - 33*y*z^2 + 56*y^2*z^2 - 27*y^3*z^2 + 3*y^4*z^2 - 9*z^3 + 24*y*z^3 - 27*y^2*z^3 + 8*y^3*z^3 + 3*z^4 - 6*y*z^4 + 3*y^2*z^4)*G[0, 0, 1, y])/ ((-1 + y)^2*y^2*(-1 + z)^2) - ((-3*y + 3*y^2 - 3*z + 8*y*z + 3*z^2)* G[0, 0, 1 - y, z])/y^2 + ((-2*y - 3*y^2 + 8*y^3 - 6*y^4 + 2*z - 4*y*z + 25*y^2*z - 22*y^3*z + 2*y^4*z - 9*z^2 + 28*y*z^2 - 35*y^2*z^2 + 6*y^3*z^2 + 15*z^3 - 30*y*z^3 + 9*y^2*z^3 - 11*z^4 + 8*y*z^4 + 3*z^5)*G[0, 1, 0, y])/((-1 + z)^2*(-1 + y + z)* (y + z)^2) + (z*(-1 + 2*y + z)*(-6*y + 9*y^2 - 6*y^3 + 3*y^4 - 2*z + 10*y*z - 10*y^2*z + 6*y^3*z + 5*z^2 - 4*y*z^2 + 3*y^2*z^2)* G[0, 1, 0, z])/((-1 + y)^2*y*(-1 + y + z)*(y + z)^2) + ((-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2)*G[0, 1, 1, y])/y^2 - ((-3*y + 3*y^2 - 3*z + 8*y*z + 3*z^2)*G[0, 1 - y, 0, z])/y^2 - ((-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2)*G[0, 1 - y, 1 - y, z])/y^2 + ((-2*y^2 + 8*y^3 - 10*y^4 + 4*y^5 - 3*y*z + 20*y^2*z - 43*y^3*z + 40*y^4*z - 14*y^5*z - 3*z^2 + 19*y*z^2 - 55*y^2*z^2 + 57*y^3*z^2 - 28*y^4*z^2 + 6*y^5*z^2 + 9*z^3 - 35*y*z^3 + 63*y^2*z^3 - 35*y^3*z^3 + 6*y^4*z^3 - 9*z^4 + 25*y*z^4 - 29*y^2*z^4 + 9*y^3*z^4 + 3*z^5 - 6*y*z^5 + 3*y^2*z^5)*G[0, -y, 1 - y, z])/ ((-1 + y)^2*y^2*(-1 + z)^2*z) + ((2*y - 2*y^2 - 3*z - 2*y*z + 3*z^2)* G[1, 0, 0, y])/(-1 + y + z)^2 + ((-1 + 2*y + z)*(3*y - 3*y^2 + 3*z - 11*y*z + 8*y^2*z - 6*z^2 + 8*y*z^2 + 3*z^3)*G[1, 0, 0, z])/(y^2*(-1 + y + z)^2) + ((-3 + 8*y - 15*y^2 + 16*y^3 - 6*y^4 + 11*z - 18*y*z + 19*y^2*z - 10*y^3*z + 2*y^4*z - 13*z^2 + 14*y*z^2 - 11*y^2*z^2 + 2*y^3*z^2 + 5*z^3 - 4*y*z^3 + 3*y^2*z^3)*G[1, 0, 1, y])/ ((-1 + y)^2*y*(-1 + z)^2) - ((-y - 3*z + 3*y*z + 3*z^2)* G[1, 0, 1 - y, z])/y^2 - ((-2*y + 8*y^2 - 13*y^3 + 13*y^4 - 6*y^5 + 2*z + 14*y*z - 50*y^2*z + 60*y^3*z - 28*y^4*z + 2*y^5*z - 2*z^2 - 51*y*z^2 + 109*y^2*z^2 - 67*y^3*z^2 + 7*y^4*z^2 - 10*z^3 + 84*y*z^3 - 90*y^2*z^3 + 16*y^3*z^3 + 22*z^4 - 61*y*z^4 + 23*y^2*z^4 - 16*z^5 + 16*y*z^5 + 4*z^6)*G[1, 1, 0, y])/ ((-1 + z)^2*(-1 + y + z)^2*(y + z)^2) + ((-1 + 2*y + z)*(2*y - 2*y^2 + 3*z - 6*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, 1, 0, z])/(y^2*(-1 + y + z)^2) - ((-y - 3*z + 3*y*z + 3*z^2)*G[1, 1 - y, 0, z])/y^2 - ((-3*y + 3*y^2 - 3*z + 8*y*z + 3*z^2)*G[1 - y, 0, 0, z])/y^2 - ((-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2)*G[1 - y, 0, 1 - y, z])/y^2 + ((-y^3 - 3*y^4 + 15*y^5 - 17*y^6 + 6*y^7 + y^2*z - 13*y^3*z + 44*y^4*z - 47*y^5*z + 15*y^6*z - 5*y*z^2 + 11*y^2*z^2 + 15*y^3*z^2 - 37*y^4*z^2 + 12*y^5*z^2 - 3*z^3 + 19*y*z^3 - 27*y^2*z^3 + 3*y^3*z^3 + 6*z^4 - 20*y*z^4 + 16*y^2*z^4 - 6*y^3*z^4 - 3*z^5 + 6*y*z^5 - 3*y^2*z^5)*G[1 - y, 1, 0, z])/ ((-1 + y)^2*y^2*(-1 + y + z)*(y + z)^2) - ((-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2)*G[1 - y, 1 - y, 0, z])/y^2 - ((y - z)*(-1 + y + z)*(3 - 8*y + 5*y^2 - 8*z + 8*y*z - 4*y^2*z + 5*z^2 - 4*y*z^2 + 3*y^2*z^2)*G[1 - y, -y, 1 - y, z])/ ((-1 + y)^2*y*(-1 + z)^2*z) + ((-y - 3*z + 3*y*z + 3*z^2)* G[-y, 0, 1 - y, z])/y^2 + ((-y - 3*z + 3*y*z + 3*z^2)* G[-y, 1 - y, 0, z])/y^2 + ((y - z)*(-3*y^2 + 3*y^3 - y*z + y^2*z - 3*z^2 + y*z^2 + 3*z^3)*G[-y, 1 - y, 1 - y, z])/(y^2*z^2) + ((y - z)*(-3*y^2 + 3*y^3 - 4*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)* G[-y, -y, 1 - y, z])/(y^2*z^2) + ((y - z)*(25 - 68*y + 61*y^2 - 18*y^3 - 68*z + 124*y*z - 62*y^2*z + 6*y^3*z + 61*z^2 - 62*y*z^2 + 13*y^2*z^2 - 18*z^3 + 6*y*z^3)* Zeta[3])/((-1 + y)^2*(-1 + z)^2*(-1 + y + z)))/Nc + Nc*(((-1/3*I)*Pi^3*(y - z))/(-1 + y + z) - (7*Pi^4*(y - z))/ (60*(-1 + y + z)) - (34*(y - z)*(-1 + 2*y + z)*(-1 + y + 2*z))/ (9*(-1 + y)*(-1 + z)*(y + z)) - (((4*I)/3)*Pi*(y - z)*(-1 + 2*y + z)* (-1 + y + 2*z))/((-1 + y)*(-1 + z)*(y + z)) - (Pi^2*(y - z)*(-21*y^2 + 42*y^3 - 21*y^4 - 43*y*z + 147*y^2*z - 125*y^3*z + 21*y^4*z - 21*z^2 + 147*y*z^2 - 209*y^2*z^2 + 81*y^3*z^2 + 42*z^3 - 125*y*z^3 + 81*y^2*z^3 - 21*z^4 + 21*y*z^4))/ (12*(-1 + y)*y*(-1 + z)*z*(-1 + y + z)*(y + z)) + G[0, 0, z]*(-1/2*(Pi^2*(1 + 2*y - z)*z)/(-1 + y + z)^2 - ((-1 + 2*y + z)*(-4*y + 4*y^2 + 21*z + 4*y*z - 42*z^2 + 21*z^3))/ (2*y*(-1 + z)^2*(-1 + y + z)) - (3*(1 + 2*y - z)*z*G[0, 1, y])/ (-1 + y + z)^2 - (3*z*(-3 + 2*y + 3*z)*G[1, 0, y])/y^2) + G[0, 1 - y, z]*(((2*I)*Pi*(-1 + y + 2*z))/y + ((-17 + 18*y)*(-1 + y + 2*z))/(2*(-1 + y)*y) + (Pi^2*(y^3 - 3*z + 5*y*z - 3*y^2*z + 6*z^2 - 5*y*z^2 - 3*z^3))/ (2*y^2*(-1 + y + z)) + (3*z*(-3 + 2*y + 3*z)*G[1, 0, y])/y^2) + (((-2*I)*Pi*(-1 + 2*y + z)*(-1 + 2*z))/(y*(-1 + y + z)) + (Pi^2*z*(-3 + 2*y + 3*z))/(2*y^2) - ((-1 + 2*y + z)*(-2*y + 2*y^2 - 4*z - 13*y*z + 15*y^2*z - 13*z^2 + 15*y*z^2))/(2*(-1 + y)*y*(-1 + y + z)*(y + z)))*G[1, 0, z] + G[0, -y, z]*((3*(-1 + y + z)*(y + 3*z)*G[1, 0, y])/y^2 - (3*(-1 + y + z)*(y + 3*z)*G[1, 1, y])/y^2) + (Pi^2*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[1, 1, z])/(2*y^2*(-1 + y + z)^2) + (Pi^2*(-1 + 2*y + z)*(-1 + 2*z)*G[1, 1 - y, z])/(2*y*(-1 + y + z)) + (((2*I)*Pi*(-1 + y + 2*z))/y + ((-17 + 18*y)*(-1 + y + 2*z))/ (2*(-1 + y)*y) - (Pi^2*(-3*y^3 + 3*y^4 - y^2*z + 4*y^3*z + y^2*z^2 - 3*z^3 + 2*y*z^3 + 3*z^4))/(2*y^2*z^2))*G[1 - y, 0, z] + G[0, 0, y]*(-1/2*(Pi^2*y*(-1 + y - 2*z))/(-1 + y + z)^2 + ((-1 + y + 2*z)*(21*y - 42*y^2 + 21*y^3 - 4*z + 4*y*z + 4*z^2))/ (2*(-1 + y)^2*z*(-1 + y + z)) - (3*y*(-1 + y - 2*z)*G[0, 1 - y, z])/ (-1 + y + z)^2 + (3*y*(-3 + 3*y + 2*z)*G[1 - y, 0, z])/z^2) - (Pi^2*z*(-3 + 2*y + 3*z)*G[1 - y, 1, z])/(2*y^2) + ((Pi^2*(y - z)*(-1 + 2*y + 2*z))/(2*y*z) + ((y - z)*(-21*y^2 + 21*y^3 - 38*y*z + 63*y^2*z - 21*z^2 + 63*y*z^2 + 21*z^3))/(2*y*z*(y + z)^2))*G[1 - y, 1 - y, z] + (((2*I)*Pi*(y - z)*(-1 + 2*y + 2*z))/(y*z) + ((y - z)*(-17 + 30*y - 13*y^2 + 30*z - 43*y*z + 15*y^2*z - 13*z^2 + 15*y*z^2))/(2*(-1 + y)*y*(-1 + z)*z) - (Pi^2*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(2*y^2*z^2))*G[-y, 1 - y, z] + G[0, 1, y]*(((-2*I)*Pi*(-1 + y + 2*z))/y + (Pi^2*(y^3 + 3*z - 5*y*z + y^2*z - 6*z^2 + 5*y*z^2 + 3*z^3))/ (2*y^2*(-1 + y + z)) - (21*y^2 - 21*y^3 - 17*z + 35*y*z - 41*y^2*z + 21*y^3*z + 30*z^2 - 48*y*z^2 + 18*y^2*z^2 - 13*z^3 + 15*y*z^3)/(2*(-1 + y)*y*(-1 + z)*z) + (3*(y - z)*G[0, 1 - y, z])/ (-1 + y + z) - (3*(1 + 2*y - z)*z*G[1, 0, z])/(-1 + y + z)^2 + (3*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 1 - y, z])/(y^2*(-1 + y + z)) - (3*(-1 + y + z)*(3*y + z)*G[1 - y, 0, z])/z^2 + (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[1 - y, 1 - y, z])/ (y^2*z^2) - (3*(-1 + y + z)*(3*y + z)*G[-y, 1 - y, z])/z^2 - (3*(-1 + y + z)*(3*y + z)*G[-y, -y, z])/z^2) + G[1, 0, y]*(((2*I)*Pi*(y - z))/(-1 + y + z) + (Pi^2*(-1 + y + z)*(y + 3*z))/(2*y^2) - (-21*y + 42*y^2 - 21*y^3 - 19*z + 100*y*z - 85*y^2*z + 21*y^3*z + 58*z^2 - 119*y*z^2 + 45*y^2*z^2 - 57*z^3 + 42*y*z^3 + 18*z^4)/ (2*(-1 + z)*z*(-1 + y + z)*(y + z)) - (3*z*(-3 + 2*y + 3*z)*G[1, 0, z])/y^2 - (3*(-1 + 3*y - 2*y^2 + 4*z - 8*y*z + 6*y^2*z - 5*z^2 + 5*y*z^2 + 2*z^3)*G[1, 1 - y, z])/(y*(-1 + y + z)^2) + (3*z*(-3 + 2*y + 3*z)*G[1 - y, 0, z])/y^2 + (3*(-3*y^2 + 3*y^3 + 2*y^2*z - z^2 + y*z^2 + 2*z^3)* G[1 - y, 1 - y, z])/(y*z^2) - (3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 0, z])/(y^2*z^2) + (3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 1 - y, z])/(y^2*z^2) - (3*(-1 + y + z)*(y + 3*z)*G[-y, -y, z])/y^2) + G[1, 1, y]*(-1/2*(Pi^2*(-1 + 3*y - 3*y^2 + y^3 + 4*z - 7*y*z + 6*y^2*z - 5*z^2 + 4*y*z^2 + 2*z^3))/(y*(-1 + y + z)^2) + ((y - z)*(-21*y^2 + 21*y^3 - 38*y*z + 63*y^2*z - 21*z^2 + 63*y*z^2 + 21*z^3))/(2*y*z*(y + z)^2) + (3*(-1 + y + z)*(3*y + z)* G[-y, 0, z])/z^2 - (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)* G[-y, -y, z])/(y^2*z^2)) - ((-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 + 6*y*z - 20*y^2*z + 95*y^3*z - 190*y^4*z + 145*y^5*z - 36*y^6*z - 3*z^2 - 27*y*z^2 + 98*y^2*z^2 - 189*y^3*z^2 + 226*y^4*z^2 - 121*y^5*z^2 + 16*y^6*z^2 + 12*z^3 + 39*y*z^3 - 160*y^2*z^3 + 181*y^3*z^3 - 108*y^4*z^3 + 34*y^5*z^3 - 18*z^4 - 15*y*z^4 + 103*y^2*z^4 - 82*y^3*z^4 + 16*y^4*z^4 + 12*z^5 - 9*y*z^5 - 18*y^2*z^5 + 13*y^3*z^5 - 3*z^6 + 6*y*z^6 - 3*y^2*z^6)* G[0, 0, 1, y])/(2*(-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)) - ((6*y - 12*y^2 + 6*y^3 - 3*z - 7*y*z - 8*y^2*z + 6*z^2 + y*z^2 - 3*z^3)*G[0, 0, 1 - y, z])/(2*y^2*(-1 + y + z)) - ((18*y^3 - 18*y^4 + 19*y^2*z - 72*y^3*z + 38*y^4*z - 19*y*z^2 - 16*y^2*z^2 + 55*y^3*z^2 - 25*y^4*z^2 + 2*y^5*z^2 - 18*z^3 + 114*y*z^3 - 119*y^2*z^3 + 28*y^3*z^3 + 9*y^4*z^3 + 72*z^4 - 246*y*z^4 + 207*y^2*z^4 - 27*y^3*z^4 - 108*z^5 + 226*y*z^5 - 91*y^2*z^5 + 72*z^6 - 75*y*z^6 - 18*z^7)*G[0, 1, 0, y])/ (2*y*(-1 + z)^2*z*(-1 + y + z)*(y + z)^2) + ((-1 + 2*y + z)*(-18*y^2 + 36*y^3 - 18*y^4 - 39*y*z + 81*y^2*z - 48*y^3*z + 6*y^4*z - 19*z^2 + 47*y*z^2 - 38*y^2*z^2 + 12*y^3*z^2 + 4*z^3 - 8*y*z^3 + 6*y^2*z^3)*G[0, 1, 0, z])/ (2*(-1 + y)^2*y*(-1 + y + z)*(y + z)^2) + ((-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3)* G[0, 1, 1, y])/(2*y^2*z) - ((6*y - 12*y^2 + 6*y^3 - 3*z - 7*y*z - 8*y^2*z + 6*z^2 + y*z^2 - 3*z^3)*G[0, 1 - y, 0, z])/ (2*y^2*(-1 + y + z)) - ((-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3)*G[0, 1 - y, 1 - y, z])/(2*y^2*z) + ((-y^2 + 22*y^3 - 41*y^4 + 20*y^5 - 24*y*z + 73*y^2*z - 113*y^3*z + 104*y^4*z - 40*y^5*z + 3*z^2 + 80*y*z^2 - 215*y^2*z^2 + 192*y^3*z^2 - 80*y^4*z^2 + 18*y^5*z^2 - 9*z^3 - 82*y*z^3 + 213*y^2*z^3 - 139*y^3*z^3 + 21*y^4*z^3 + 9*z^4 + 20*y*z^4 - 67*y^2*z^4 + 36*y^3*z^4 - 3*z^5 + 6*y*z^5 - 3*y^2*z^5)* G[0, -y, 1 - y, z])/(2*(-1 + y)^2*y^2*(-1 + z)^2*z) + ((18*y - 36*y^2 + 18*y^3 - 35*y*z + 35*y^2*z - 6*z^2 + 26*y*z^2 + 6*z^3)*G[1, 0, 0, y])/(2*z*(-1 + y + z)^2) - ((-1 + 2*y + z)*(-6*y + 6*y^2 + 3*z - 8*y*z + 14*y^2*z - 6*z^2 + 14*y*z^2 + 3*z^3)*G[1, 0, 0, z])/(2*y^2*(-1 + y + z)^2) - ((-18*y + 54*y^2 - 54*y^3 + 18*y^4 - 3*z + 82*y*z - 193*y^2*z + 152*y^3*z - 38*y^4*z + 31*z^2 - 200*y*z^2 + 329*y^2*z^2 - 177*y^3*z^2 + 15*y^4*z^2 + 2*y^5*z^2 - 75*z^3 + 270*y*z^3 - 322*y^2*z^3 + 124*y^3*z^3 + y^4*z^3 + 69*z^4 - 178*y*z^4 + 156*y^2*z^4 - 43*y^3*z^4 - 22*z^5 + 44*y*z^5 - 24*y^2*z^5)* G[1, 0, 1, y])/(2*(-1 + y)^2*y*(-1 + z)^2*z*(-1 + y + z)) + ((-2*y + 2*y^2 + 3*z - 7*y*z + 24*y^2*z - 6*z^2 + 9*y*z^2 + 3*z^3)* G[1, 0, 1 - y, z])/(2*y^2*(-1 + y + z)) - ((-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 - 19*y^2*z + 151*y^3*z - 275*y^4*z + 179*y^5*z - 36*y^6*z + 19*y*z^2 + 46*y^2*z^2 - 385*y^3*z^2 + 486*y^4*z^2 - 191*y^5*z^2 + 16*y^6*z^2 + 18*z^3 - 145*y*z^3 + 30*y^2*z^3 + 425*y^3*z^3 - 353*y^4*z^3 + 62*y^5*z^3 - 90*z^4 + 376*y*z^4 - 168*y^2*z^4 - 204*y^3*z^4 + 86*y^4*z^4 + 180*z^5 - 448*y*z^5 + 157*y^2*z^5 + 31*y^3*z^5 - 180*z^6 + 253*y*z^6 - 46*y^2*z^6 + 90*z^7 - 55*y*z^7 - 18*z^8)*G[1, 1, 0, y])/ (2*y*(-1 + z)^2*z*(-1 + y + z)^2*(y + z)^2) + G[-y, z]*(((-18*y^2 + 16*y^3 + 5*y*z + 15*y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3)*G[0, 1, y])/(2*y^2*z) + ((-3*y^2 + 3*y^3 + 5*y*z - 18*z^2 + 15*y*z^2 + 18*z^3)*G[1, 0, y])/ (2*y*z^2) - ((y - z)*(-3*y^2 + 3*y^3 + 14*y*z - 5*y^2*z - 3*z^2 - 5*y*z^2 + 3*z^3)*G[1, 1, y])/(2*y^2*z^2) + (3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[0, 1, 0, y])/(y^2*z^2) - (3*(-1 + y + z)*(3*y + z)* G[0, 1, 1, y])/z^2 - (3*(-1 + y + z)*(3*y + z)*G[1, 0, 1, y])/ z^2 + (3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[1, 1, 0, y])/(y^2*z^2)) - ((-1 + 2*y + z)*(-4*y + 4*y^2 + 3*z - 18*y*z + 22*y^2*z - 6*z^2 + 22*y*z^2 + 3*z^3)*G[1, 1, 0, z])/(2*y^2*(-1 + y + z)^2) + ((-2*y + 2*y^2 + 3*z - 7*y*z + 24*y^2*z - 6*z^2 + 9*y*z^2 + 3*z^3)* G[1, 1 - y, 0, z])/(2*y^2*(-1 + y + z)) - ((6*y - 12*y^2 + 6*y^3 - 3*z - 7*y*z - 8*y^2*z + 6*z^2 + y*z^2 - 3*z^3)*G[1 - y, 0, 0, z])/(2*y^2*(-1 + y + z)) - ((-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3)* G[1 - y, 0, 1 - y, z])/(2*y^2*z) + ((16*y^3 - 66*y^4 + 120*y^5 - 106*y^6 + 36*y^7 + 38*y^2*z - 212*y^3*z + 445*y^4*z - 403*y^5*z + 132*y^6*z + 23*y*z^2 - 218*y^2*z^2 + 576*y^3*z^2 - 584*y^4*z^2 + 201*y^5*z^2 + 3*z^3 - 82*y*z^3 + 315*y^2*z^3 - 393*y^3*z^3 + 153*y^4*z^3 - 6*z^4 + 65*y*z^4 - 112*y^2*z^4 + 51*y^3*z^4 + 3*z^5 - 6*y*z^5 + 3*y^2*z^5)* G[1 - y, 1, 0, z])/(2*(-1 + y)^2*y^2*(-1 + y + z)*(y + z)^2) - ((-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3)* G[1 - y, 1 - y, 0, z])/(2*y^2*z) - ((y - z)*(15 - 26*y + 7*y^2 + 4*y^3 - 26*z + 45*y*z - 11*y^2*z - 8*y^3*z + 7*z^2 - 11*y*z^2 - 4*y^2*z^2 + 6*y^3*z^2 + 4*z^3 - 8*y*z^3 + 6*y^2*z^3)*G[1 - y, -y, 1 - y, z])/ (2*(-1 + y)^2*y*(-1 + z)^2*z) - ((-18*y^2 + 18*y^3 + 5*y*z + 15*y^2*z - 3*z^2 + 3*z^3)* G[-y, 0, 1 - y, z])/(2*y^2*z) - ((-18*y^2 + 18*y^3 + 5*y*z + 15*y^2*z - 3*z^2 + 3*z^3)* G[-y, 1 - y, 0, z])/(2*y^2*z) - ((y - z)*(-3*y^2 + 3*y^3 + 14*y*z - 5*y^2*z - 3*z^2 - 5*y*z^2 + 3*z^3)* G[-y, 1 - y, 1 - y, z])/(2*y^2*z^2) - ((y - z)*(-3*y^2 + 3*y^3 + 20*y*z - 13*y^2*z - 3*z^2 - 13*y*z^2 + 3*z^3)*G[-y, -y, 1 - y, z])/(2*y^2*z^2) - (3*(y - z)*G[0, 0, 0, 1, y])/(-1 + y + z) + (3*(-y^3 + y^4 + 3*z - 8*y*z + 7*y^2*z - 4*y^3*z - 9*z^2 + 16*y*z^2 - 7*y^2*z^2 + 9*z^3 - 8*y*z^3 - 3*z^4)*G[0, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (3*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)*G[0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (3*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[0, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)) + (3*(y - z)*G[0, 1, 0, 1, y])/(-1 + y + z) - (3*(-y^3 + y^4 - 3*z + 8*y*z - 7*y^2*z + 9*z^2 - 16*y*z^2 + 7*y^2*z^2 - 9*z^3 + 8*y*z^3 + 3*z^4)*G[0, 1, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (3*(-1 + z)*z*(3 - 8*y + 8*y^2 - 6*z + 8*y*z + 3*z^2)*G[0, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (3*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[0, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)) - (3*(-1 + y + z)*(y + 3*z)*G[0, -y, 1 - y, 1 - y, z])/y^2 - (3*(-1 + y + z)*(y + 3*z)*G[0, -y, -y, 1 - y, z])/y^2 + (3*(-y + 3*y^2 - 3*y^3 + y^4 - 3*z + 12*y*z - 16*y^2*z + 4*y^3*z + 9*z^2 - 21*y*z^2 + 13*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)* G[1, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) + (3*(1 + 2*y - z)*z*G[1, 0, 0, 1 - y, z])/(-1 + y + z)^2 - (3*(-1 + y + 2*z)*G[1, 0, 1, 0, y])/y - (3*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (3*(1 + 2*y - z)*z*G[1, 0, 1 - y, 0, z])/(-1 + y + z)^2 + (3*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)) - (3*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (3*(-y + 3*y^2 - 3*y^3 + y^4 - 3*z + 12*y*z - 14*y^2*z + 8*y^3*z + 9*z^2 - 21*y*z^2 + 11*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)* G[1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (3*(1 + 2*y - z)*z*G[1, 1, 0, 1 - y, z])/(-1 + y + z)^2 + (3*(-1 + y + 2*z)*G[1, 1, 1, 0, y])/y - (3*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (3*(1 + 2*y - z)*z*G[1, 1, 1 - y, 0, z])/(-1 + y + z)^2 + (3*(1 + 2*y - z)*z*G[1, 1 - y, 0, 0, z])/(-1 + y + z)^2 + (3*z*(-3 + 2*y + 3*z)*G[1, 1 - y, 1, 0, z])/y^2 + (3*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)) + (3*(-y^2 + 2*y^3 + y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3)* G[1 - y, 0, 1, 0, z])/(y^2*z) - (3*(-1 + y + z)*(y + z)* (3*y^2 - 2*y*z + 3*z^2)*G[1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + (3*z*(-3 + 2*y + 3*z)*G[1 - y, 1, 0, 0, z])/y^2 + (3*z*(-3 + 2*y + 3*z)*G[1 - y, 1, 1, 0, z])/y^2 - (3*(-y^2 + 2*y^3 + y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3)* G[1 - y, 1 - y, 1, 0, z])/(y^2*z) + (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (3*(-y^2 + 2*y^3 + y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3)*G[-y, 0, 1, 0, z])/(y^2*z) + (3*(-1 + y + z)*(3*y + z)*G[-y, 0, 1 - y, 1 - y, z])/z^2 - (3*(-1 + y + z)*(y + 3*z)*G[-y, 0, -y, 1 - y, z])/y^2 + (3*(-1 + y + z)*(3*y + z)*G[-y, 1 - y, 0, 1 - y, z])/z^2 - (3*(-y^2 + 2*y^3 + y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3)* G[-y, 1 - y, 1, 0, z])/(y^2*z) + (3*(-1 + y + z)*(3*y + z)* G[-y, 1 - y, 1 - y, 0, z])/z^2 - (3*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[-y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(3*y + z)*G[-y, -y, 0, 1 - y, z])/z^2 + (3*(-1 + y + z)*(3*y + z)*G[-y, -y, 1 - y, 0, z])/z^2 - (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[-y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - (3*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[-y, -y, -y, 1 - y, z])/(y^2*z^2) - ((y - z)*(-72*y + 216*y^2 - 216*y^3 + 72*y^4 - 72*z + 484*y*z - 896*y^2*z + 628*y^3*z - 144*y^4*z + 216*z^2 - 896*y*z^2 + 1231*y^2*z^2 - 629*y^3*z^2 + 78*y^4*z^2 - 216*z^3 + 628*y*z^3 - 629*y^2*z^3 + 211*y^3*z^3 + 72*z^4 - 144*y*z^4 + 78*y^2*z^4)* Zeta[3])/(2*(-1 + y)^2*y*(-1 + z)^2*z*(-1 + y + z)) + G[0, y]*((((-4*I)/3)*Pi*(-1 + y + 2*z))/(-1 + y)^2 - (2*(11 + 6*y)*(-1 + y + 2*z))/(9*(-1 + y)^2) - (Pi^2*(18*y^2 - 36*y^3 + 18*y^4 - 2*y*z - 69*y^2*z + 107*y^3*z - 36*y^4*z + 18*z^2 - 51*y*z^2 + 140*y^2*z^2 - 101*y^3*z^2 + 16*y^4*z^2 - 72*z^3 + 165*y*z^3 - 145*y^2*z^3 + 30*y^3*z^3 + 108*z^4 - 169*y*z^4 + 56*y^2*z^4 - 72*z^5 + 57*y*z^5 + 18*z^6))/ (12*y*(-1 + z)^2*z*(-1 + y + z)^2) + (((-2*I)*Pi*(y - z))/(-1 + y + z) - ((y - z)*(-1 + 18*y + 18*z))/ (2*(-1 + y + z)*(y + z)))*G[0, z] - (Pi^2*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, z])/(2*y^2*(-1 + y + z)^2) + (((-2*I)*Pi*(-1 + 2*y + z))/z - ((-1 + 2*y + z)*(-17 + 18*z))/ (2*(-1 + z)*z) + (Pi^2*(-3*y^3 + 3*y^4 + 2*y^3*z - y*z^2 + y^2*z^2 - 3*z^3 + 4*y*z^3 + 3*z^4))/(2*y^2*z^2))*G[1 - y, z] + ((-6*y^2 + 6*y^3 + 18*z - 35*y*z + 26*y^2*z - 36*z^2 + 35*y*z^2 + 18*z^3)*G[0, 0, z])/(2*y*(-1 + y + z)^2) + ((-1 + 2*y + z)*(-1 + 2*z)*(-y + y^2 - 18*z + y*z + 36*z^2 - 18*z^3)* G[0, 1 - y, z])/(2*y*(-1 + z)^2*z*(-1 + y + z)) + ((-2*y + 2*y^2 + 18*z - 37*y*z + 24*y^2*z - 36*z^2 + 39*y*z^2 + 18*z^3)*G[1, 0, z])/(2*y*(-1 + y + z)^2) + ((y - z)*(-1 + 2*y + 2*z)*(-18*y^2 + 18*y^3 - 37*y*z + 54*y^2*z - 18*z^2 + 54*y*z^2 + 18*z^3)*G[1 - y, 0, z])/(2*y*z*(-1 + y + z)* (y + z)^2) + ((-3*y^2 + 3*y^3 - y*z + 10*y^2*z - 18*z^2 + 19*y*z^2 + 18*z^3)*G[1 - y, 1 - y, z])/(2*y*z^2) + ((-3*y^2 + 3*y^3 + 5*y*z - 18*z^2 + 15*y*z^2 + 18*z^3)* G[-y, 1 - y, z])/(2*y*z^2) - (3*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (3*z*(-3 + 2*y + 3*z)*G[0, 1 - y, 0, z])/ y^2 + (3*(-1 + y + z)*(y + 3*z)*G[0, 1 - y, 1 - y, z])/y^2 + (3*(-1 + y + z)*(y + 3*z)*G[0, -y, 1 - y, z])/y^2 + (3*z*(-3 + 2*y + 3*z)*G[1, 0, 0, z])/y^2 - (3*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (3*z*(-3 + 2*y + 3*z)*G[1, 1, 0, z])/y^2 - (3*z*(-3 + 2*y + 3*z)*G[1, 1 - y, 0, z])/y^2 - (3*z*(-3 + 2*y + 3*z)*G[1 - y, 0, 0, z])/y^2 + (3*(-1 + y + z)*(y + 3*z)*G[1 - y, 0, 1 - y, z])/y^2 - (3*z*(-3 + 2*y + 3*z)*G[1 - y, 1, 0, z])/y^2 - (3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[1 - y, 1 - y, 0, z])/(y^2*z^2) + (3*(-1 + y + z)*(y + 3*z)*G[-y, 0, 1 - y, z])/y^2 - (3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 1 - y, 0, z])/(y^2*z^2) - (3*(-1 + y + z)*(y + 3*z)*G[-y, 1 - y, 1 - y, z])/y^2 - (3*(-1 + y + z)*(y + 3*z)*G[-y, -y, 1 - y, z])/y^2 + (9*y*(-1 + y - 2*z)*Zeta[3])/(-1 + y + z)^2) + G[0, z]*((((4*I)/3)*Pi*(-1 + 2*y + z))/(-1 + z)^2 + (2*(-1 + 2*y + z)*(11 + 6*z))/(9*(-1 + z)^2) + (Pi^2*(18*y^2 - 72*y^3 + 108*y^4 - 72*y^5 + 18*y^6 - 2*y*z - 51*y^2*z + 165*y^3*z - 169*y^4*z + 57*y^5*z + 18*z^2 - 69*y*z^2 + 140*y^2*z^2 - 145*y^3*z^2 + 56*y^4*z^2 - 36*z^3 + 107*y*z^3 - 101*y^2*z^3 + 30*y^3*z^3 + 18*z^4 - 36*y*z^4 + 16*y^2*z^4))/ (12*(-1 + y)^2*y*z*(-1 + y + z)^2) + (((2*I)*Pi*(-1 + y + 2*z))/y + ((-17 + 18*y)*(-1 + y + 2*z))/(2*(-1 + y)*y) - (Pi^2*(-1 + z)*z*(3 - 8*y + 8*y^2 - 6*z + 8*y*z + 3*z^2))/ (2*y^2*(-1 + y + z)^2))*G[1, y] - ((18*y - 36*y^2 + 18*y^3 - 35*y*z + 35*y^2*z - 6*z^2 + 26*y*z^2 + 6*z^3)*G[0, 0, y])/(2*z*(-1 + y + z)^2) + ((-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 + 6*y*z - 22*y^2*z + 65*y^3*z - 88*y^4*z + 39*y^5*z - 3*z^2 + y*z^2 - 5*y^2*z^2 + 22*y^3*z^2 - 15*y^4*z^2 + 6*z^3 - 13*y*z^3 + 8*y^2*z^3 - 3*y^3*z^3 - 3*z^4 + 6*y*z^4 - 3*y^2*z^4)*G[0, 1, y])/(2*(-1 + y)^2*y^2*z* (-1 + y + z)) + ((-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 - 19*y^2*z + 113*y^3*z - 163*y^4*z + 69*y^5*z + 19*y*z^2 - 14*y^2*z^2 - 74*y^3*z^2 + 60*y^4*z^2 + 18*z^3 - 145*y*z^3 + 215*y^2*z^3 - 87*y^3*z^3 - 72*z^4 + 270*y*z^4 - 204*y^2*z^4 + 90*z^5 - 144*y*z^5 - 36*z^6)*G[1, 0, y])/(2*y*z*(-1 + y + z)^2* (y + z)^2) - ((-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3)*G[1, 1, y])/(2*y^2*z) + (3*(1 + 2*y - z)*z*G[0, 0, 1, y])/(-1 + y + z)^2 + (3*z*(-3 + 2*y + 3*z)*G[0, 1, 0, y])/y^2 + (3*(1 + 2*y - z)*z*G[1, 0, 1, y])/(-1 + y + z)^2 + (3*z*(-3 + 2*y + 3*z)*G[1, 1, 0, y])/y^2 + (9*(1 + 2*y - z)*z*Zeta[3])/(-1 + y + z)^2) + G[1 - y, z]*((((-4*I)/3)*Pi*(y - z))/(y + z)^2 + (2*(y - z)*(-17 + 6*y + 6*z))/(9*(y + z)^2) + (Pi^2*(y - z)*(3*y^4 - 12*y^5 + 18*y^6 - 12*y^7 + 3*y^8 + 23*y^3*z - 109*y^4*z + 195*y^5*z - 161*y^6*z + 58*y^7*z - 6*y^8*z + 41*y^2*z^2 - 271*y^3*z^2 + 646*y^4*z^2 - 717*y^5*z^2 + 378*y^6*z^2 - 80*y^7*z^2 + 3*y^8*z^2 + 23*y*z^3 - 271*y^2*z^3 + 940*y^3*z^3 - 1436*y^4*z^3 + 1050*y^5*z^3 - 338*y^6*z^3 + 32*y^7*z^3 + 3*z^4 - 109*y*z^4 + 646*y^2*z^4 - 1436*y^3*z^4 + 1455*y^4*z^4 - 658*y^5*z^4 + 101*y^6*z^4 - 12*z^5 + 195*y*z^5 - 717*y^2*z^5 + 1050*y^3*z^5 - 658*y^4*z^5 + 144*y^5*z^5 + 18*z^6 - 161*y*z^6 + 378*y^2*z^6 - 338*y^3*z^6 + 101*y^4*z^6 - 12*z^7 + 58*y*z^7 - 80*y^2*z^7 + 32*y^3*z^7 + 3*z^8 - 6*y*z^8 + 3*y^2*z^8))/(12*(-1 + y)^2*y^2*(-1 + z)^2*z^2*(-1 + y + z)* (y + z)^2) - ((3*y - 6*y^2 + 3*y^3 - 6*z + 7*y*z - y^2*z + 12*z^2 + 8*y*z^2 - 6*z^3)*G[0, 0, y])/(2*z^2*(-1 + y + z)) + ((-3*y^2 + 9*y^3 - 9*y^4 + 3*y^5 - 16*y*z + 44*y^2*z - 46*y^3*z + 24*y^4*z - 6*y^5*z - 3*z^2 + 57*y*z^2 - 121*y^2*z^2 + 85*y^3*z^2 - 21*y^4*z^2 + 3*y^5*z^2 + 28*z^3 - 109*y*z^3 + 142*y^2*z^3 - 63*y^3*z^3 + 4*y^4*z^3 - 47*z^4 + 112*y*z^4 - 88*y^2*z^4 + 19*y^3*z^4 + 22*z^5 - 44*y*z^5 + 24*y^2*z^5)* G[0, 1, y])/(2*(-1 + y)^2*y*(-1 + z)^2*z^2) - ((16*y^3 - 50*y^4 + 34*y^5 + 15*y^2*z - 132*y^3*z + 202*y^4*z - 68*y^5*z - 21*y*z^2 - 40*y^2*z^2 + 317*y^3*z^2 - 251*y^4*z^2 + 32*y^5*z^2 - 18*z^3 + 118*y*z^3 + 49*y^2*z^3 - 296*y^3*z^3 + 95*y^4*z^3 + 72*z^4 - 210*y*z^4 - 35*y^2*z^4 + 93*y^3*z^4 - 108*z^5 + 150*y*z^5 + 11*y^2*z^5 + 72*z^6 - 37*y*z^6 - 18*z^7)* G[1, 0, y])/(2*y*(-1 + z)^2*z*(-1 + y + z)*(y + z)^2) + (3*(-1 + y + z)*(y + z)*(3*y^2 - 2*y*z + 3*z^2)*G[0, 0, 1, y])/ (y^2*z^2) - (3*(-3*y^2 + 3*y^3 + 2*y^2*z - z^2 + y*z^2 + 2*z^3)* G[0, 1, 0, y])/(y*z^2) - (3*y*(-3 + 3*y + 2*z)*G[1, 0, 0, y])/ z^2 + (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)* G[1, 0, 1, y])/(y^2*z^2) + (3*(-1 + y + 2*z)*G[1, 1, 0, y])/y + (3*(y - z)*(-12*y^2 + 12*y^3 - 15*y*z + 26*y^2*z - 12*z^2 + 26*y*z^2 + 12*z^3)*Zeta[3])/(y^2*z^2)) + G[1, y]*((((-4*I)/3)*Pi*(y - z))/(y + z)^2 + (2*(y - z)*(-17 + 6*y + 6*z))/(9*(y + z)^2) - (Pi^2*(18*y^4 - 72*y^5 + 108*y^6 - 72*y^7 + 18*y^8 + 23*y^3*z - 169*y^4*z + 387*y^5*z - 377*y^6*z + 154*y^7*z - 18*y^8*z - 14*y^2*z^2 - 22*y^3*z^2 + 260*y^4*z^2 - 446*y^5*z^2 + 247*y^6*z^2 - 27*y^8*z^2 + 2*y^9*z^2 - 20*y*z^3 + 180*y^2*z^3 - 441*y^3*z^3 + 525*y^4*z^3 - 466*y^5*z^3 + 373*y^6*z^3 - 178*y^7*z^3 + 27*y^8*z^3 - 3*z^4 + 120*y*z^4 - 674*y^2*z^4 + 1508*y^3*z^4 - 1780*y^4*z^4 + 1240*y^5*z^4 - 505*y^6*z^4 + 92*y^7*z^4 + 15*z^5 - 286*y*z^5 + 1156*y^2*z^5 - 2017*y^3*z^5 + 1775*y^4*z^5 - 797*y^5*z^5 + 154*y^6*z^5 - 30*z^6 + 344*y*z^6 - 1017*y^2*z^6 + 1278*y^3*z^6 - 727*y^4*z^6 + 156*y^5*z^6 + 30*z^7 - 216*y*z^7 + 449*y^2*z^7 - 361*y^3*z^7 + 98*y^4*z^7 - 15*z^8 + 64*y*z^8 - 83*y^2*z^8 + 32*y^3*z^8 + 3*z^9 - 6*y*z^9 + 3*y^2*z^9))/(12*(-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)^2* (y + z)^2) + (Pi^2*(-1 + 2*y + z)*(-1 + 2*z)*G[1, z])/ (2*y*(-1 + y + z)) + ((Pi^2*(-3*y^2 + 3*y^3 - y*z + 4*y^2*z + z^2 - 2*z^3))/(2*y*z^2) + ((y - z)*(-21*y^2 + 21*y^3 - 38*y*z + 63*y^2*z - 21*z^2 + 63*y*z^2 + 21*z^3))/(2*y*z*(y + z)^2))* G[1 - y, z] + (((2*I)*Pi*(y - z)*(-1 + 2*y + 2*z))/(y*z) + ((y - z)*(-17 + 30*y - 13*y^2 + 30*z - 43*y*z + 15*y^2*z - 13*z^2 + 15*y*z^2))/(2*(-1 + y)*y*(-1 + z)*z) - (Pi^2*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(2*y^2*z^2))*G[-y, z] - ((6*y - 12*y^2 + 6*y^3 - 3*z - 7*y*z - 8*y^2*z + 6*z^2 + y*z^2 - 3*z^3)*G[0, 0, z])/(2*y^2*(-1 + y + z)) - ((-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3)* G[0, 1 - y, z])/(2*y^2*z) + ((-y^2 + 22*y^3 - 41*y^4 + 20*y^5 - 24*y*z + 73*y^2*z - 113*y^3*z + 104*y^4*z - 40*y^5*z + 3*z^2 + 80*y*z^2 - 215*y^2*z^2 + 192*y^3*z^2 - 80*y^4*z^2 + 18*y^5*z^2 - 9*z^3 - 82*y*z^3 + 213*y^2*z^3 - 139*y^3*z^3 + 21*y^4*z^3 + 9*z^4 + 20*y*z^4 - 67*y^2*z^4 + 36*y^3*z^4 - 3*z^5 + 6*y*z^5 - 3*y^2*z^5)*G[0, -y, z])/(2*(-1 + y)^2*y^2*(-1 + z)^2*z) + ((-2*y + 2*y^2 + 3*z - 7*y*z + 24*y^2*z - 6*z^2 + 9*y*z^2 + 3*z^3)* G[1, 0, z])/(2*y^2*(-1 + y + z)) - ((-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3)* G[1 - y, 0, z])/(2*y^2*z) - ((y - z)*(15 - 26*y + 7*y^2 + 4*y^3 - 26*z + 45*y*z - 11*y^2*z - 8*y^3*z + 7*z^2 - 11*y*z^2 - 4*y^2*z^2 + 6*y^3*z^2 + 4*z^3 - 8*y*z^3 + 6*y^2*z^3)* G[1 - y, -y, z])/(2*(-1 + y)^2*y*(-1 + z)^2*z) - ((-18*y^2 + 18*y^3 + 5*y*z + 15*y^2*z - 3*z^2 + 3*z^3)*G[-y, 0, z])/ (2*y^2*z) - ((y - z)*(-3*y^2 + 3*y^3 + 14*y*z - 5*y^2*z - 3*z^2 - 5*y*z^2 + 3*z^3)*G[-y, 1 - y, z])/(2*y^2*z^2) - ((y - z)*(-3*y^2 + 3*y^3 + 20*y*z - 13*y^2*z - 3*z^2 - 13*y*z^2 + 3*z^3)*G[-y, -y, z])/(2*y^2*z^2) + (3*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[0, 0, -y, z])/(y^2*(-1 + y + z)) - (3*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[0, 1 - y, -y, z])/(y^2*(-1 + y + z)) - (3*(-1 + y + z)*(y + 3*z)*G[0, -y, 1 - y, z])/y^2 - (3*(-1 + y + z)*(y + 3*z)*G[0, -y, -y, z])/y^2 + (3*(1 + 2*y - z)*z*G[1, 0, 0, z])/(-1 + y + z)^2 + (3*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 0, -y, z])/(y^2*(-1 + y + z)) + (3*(1 + 2*y - z)*z*G[1, 1, 0, z])/(-1 + y + z)^2 + (3*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 1 - y, -y, z])/(y^2*(-1 + y + z)) - (3*(-1 + y + z)*(y + z)*(3*y^2 - 2*y*z + 3*z^2)*G[1 - y, 0, -y, z])/ (y^2*z^2) + (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)* G[1 - y, 1 - y, -y, z])/(y^2*z^2) + (3*(-1 + y + z)*(3*y + z)* G[-y, 0, 1 - y, z])/z^2 - (3*(-1 + y + z)*(y + 3*z)* G[-y, 0, -y, z])/y^2 + (3*(-1 + y + z)*(3*y + z)* G[-y, 1 - y, 0, z])/z^2 - (3*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[-y, 1 - y, -y, z])/(y^2*z^2) + (3*(-1 + y + z)*(3*y + z)*G[-y, -y, 0, z])/z^2 - (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[-y, -y, 1 - y, z])/ (y^2*z^2) - (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)* G[-y, -y, -y, z])/(y^2*z^2) - (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 12*z + 44*y*z - 49*y^2*z + 26*y^3*z + 36*z^2 - 79*y*z^2 + 40*y^2*z^2 - 36*z^3 + 38*y*z^3 + 12*z^4)*Zeta[3])/ (y^2*(-1 + y + z)^2)) + G[1, z]* ((Pi^2*(-1 + 2*y + z)*(-4*y + 4*y^2 + 3*z - 18*y*z + 22*y^2*z - 6*z^2 + 22*y*z^2 + 3*z^3))/(12*y^2*(-1 + y + z)^2) - (3*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[0, 0, 1, y])/(y^2*(-1 + y + z)) + (3*(-1 + 3*y - 2*y^2 + 4*z - 8*y*z + 6*y^2*z - 5*z^2 + 5*y*z^2 + 2*z^3)*G[0, 1, 0, y])/(y*(-1 + y + z)^2) + (3*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 0, 1, y])/(y^2*(-1 + y + z)) - (3*(-1 + 3*y - 2*y^2 + 4*z - 8*y*z + 6*y^2*z - 5*z^2 + 5*y*z^2 + 2*z^3)*G[1, 1, 0, y])/(y*(-1 + y + z)^2) + (3*(-3*y + 9*y^2 - 6*y^3 - 12*z + 44*y*z - 52*y^2*z + 26*y^3*z + 36*z^2 - 79*y*z^2 + 43*y^2*z^2 - 36*z^3 + 38*y*z^3 + 12*z^4)* Zeta[3])/(y^2*(-1 + y + z)^2)))) + eps^2*(Nf*((494*(y - z)*(-1 + 2*y + z)*(-1 + y + 2*z))/ (27*(-1 + y)*(-1 + z)*(y + z)) + (((80*I)/9)*Pi*(y - z)* (-1 + 2*y + z)*(-1 + y + 2*z))/((-1 + y)*(-1 + z)*(y + z)) - (13*Pi^2*(y - z)*(-1 + 2*y + z)*(-1 + y + 2*z))/(9*(-1 + y)*(-1 + z)* (y + z)) + ((-13*Pi^2*(-1 + y + 2*z))/(9*(-1 + y)^2) + (((8*I)/9)*Pi*(7 + 3*y)*(-1 + y + 2*z))/(-1 + y)^2 + (2*(127 + 120*y)*(-1 + y + 2*z))/(27*(-1 + y)^2))*G[0, y] + ((13*Pi^2*(-1 + 2*y + z))/(9*(-1 + z)^2) - (((8*I)/9)*Pi*(-1 + 2*y + z)*(7 + 3*z))/(-1 + z)^2 - (2*(-1 + 2*y + z)*(127 + 120*z))/(27*(-1 + z)^2))*G[0, z] + (((-4*I)*Pi*(-1 + y + 2*z))/(-1 + y)^2 - (8*(4 + y)*(-1 + y + 2*z))/ (3*(-1 + y)^2))*G[0, 0, y] + (((4*I)*Pi*(-1 + 2*y + z))/(-1 + z)^2 + (8*(4 + z)*(-1 + 2*y + z))/ (3*(-1 + z)^2))*G[0, 0, z] + (((-4*I)*Pi*(y - z))/(y + z)^2 + (8*(y - z)*(-5 + y + z))/(3*(y + z)^2))*G[1, 1, y] + G[1 - y, z]*((-13*Pi^2*(y - z))/(9*(y + z)^2) - (((8*I)/9)*Pi*(y - z)*(-10 + 3*y + 3*z))/(y + z)^2 - (2*(y - z)*(-247 + 120*y + 120*z))/(27*(y + z)^2) + (14*(y - z)*G[1, 1, y])/(3*(y + z)^2)) + (((-4*I)*Pi*(y - z))/(y + z)^2 + (8*(y - z)*(-5 + y + z))/ (3*(y + z)^2))*G[1 - y, 1 - y, z] + G[1, y]*((-13*Pi^2*(y - z))/(9*(y + z)^2) - (((8*I)/9)*Pi*(y - z)*(-10 + 3*y + 3*z))/(y + z)^2 - (2*(y - z)*(-247 + 120*y + 120*z))/(27*(y + z)^2) + (((-4*I)*Pi*(y - z))/(y + z)^2 + (8*(y - z)*(-5 + y + z))/ (3*(y + z)^2))*G[1 - y, z] + (14*(y - z)*G[1 - y, 1 - y, z])/ (3*(y + z)^2)) + (14*(-1 + y + 2*z)*G[0, 0, 0, y])/(3*(-1 + y)^2) - (14*(-1 + 2*y + z)*G[0, 0, 0, z])/(3*(-1 + z)^2) + (14*(y - z)*G[1, 1, 1, y])/(3*(y + z)^2) + (14*(y - z)*G[1 - y, 1 - y, 1 - y, z])/(3*(y + z)^2)) + (((I/3)*Pi^3*(y - z)*(-3*y^2 + 6*y^3 - 3*y^4 - 4*y*z + 12*y^2*z - 11*y^3*z + 3*y^4*z - 3*z^2 + 12*y*z^2 - 14*y^2*z^2 + 9*y^3*z^2 + 6*z^3 - 11*y*z^3 + 9*y^2*z^3 - 3*z^4 + 3*y*z^4))/ ((-1 + y)*y*(-1 + z)*z*(-1 + y + z)*(y + z)) + (Pi^2*(y - z)*(-28*y^2 + 56*y^3 - 28*y^4 - 45*y*z + 146*y^2*z - 129*y^3*z + 28*y^4*z - 28*z^2 + 146*y*z^2 - 191*y^2*z^2 + 95*y^3*z^2 + 56*z^3 - 129*y*z^3 + 95*y^2*z^3 - 28*z^4 + 28*y*z^4))/ (6*(-1 + y)*y*(-1 + z)*z*(-1 + y + z)*(y + z)) + (Pi^4*(y - z)*(-239 + 779*y - 943*y^2 + 505*y^3 - 102*y^4 + 779*z - 2076*y*z + 1865*y^2*z - 602*y^3*z + 34*y^4*z - 943*z^2 + 1865*y*z^2 - 1087*y^2*z^2 + 165*y^3*z^2 + 505*z^3 - 602*y*z^3 + 165*y^2*z^3 - 102*z^4 + 34*y*z^4))/(120*(-1 + y)^2*(-1 + z)^2* (-1 + y + z)^2) + (Pi^2*(-1 + 2*y + z)*(2*y^3 - 6*y^4 + 6*y^5 - 2*y^6 + 19*y^2*z - 53*y^3*z + 58*y^4*z - 33*y^5*z + 9*y^6*z + 22*y*z^2 - 94*y^2*z^2 + 139*y^3*z^2 - 94*y^4*z^2 + 27*y^5*z^2 + 9*z^3 - 69*y*z^3 + 143*y^2*z^3 - 115*y^3*z^3 + 36*y^4*z^3 - 18*z^4 + 65*y*z^4 - 70*y^2*z^4 + 27*y^3*z^4 + 9*z^5 - 18*y*z^5 + 9*y^2*z^5)*G[0, 1, z])/(6*(-1 + y)^2*y^2*(-1 + y + z)^2* (y + z)^2) + G[0, 0, z]*((28*z*(-1 + 2*y + z))/(y*(-1 + y + z)) + ((6*I)*Pi*z*(-1 + 2*y + z))/(y*(-1 + y + z)) - (Pi^2*(-6 + 25*y - 39*y^2 + 27*y^3 - 7*y^4 + 36*z - 89*y*z + 77*y^2*z - 31*y^3*z + 7*y^4*z - 61*z^2 + 104*y*z^2 - 45*y^2*z^2 + 2*y^3*z^2 + 43*z^3 - 46*y*z^3 + 11*y^2*z^3 - 12*z^4 + 4*y*z^4))/ (6*(-1 + y)^2*(-1 + z)*(-1 + y + z)^2) - ((-7*y + 41*y^2 - 88*y^3 + 88*y^4 - 41*y^5 + 7*y^6 - 9*z + 63*y*z - 189*y^2*z + 255*y^3*z - 150*y^4*z + 30*y^5*z + 24*z^2 - 112*y*z^2 + 225*y^2*z^2 - 190*y^3*z^2 + 53*y^4*z^2 - 21*z^3 + 68*y*z^3 - 85*y^2*z^3 + 30*y^3*z^3 + 6*z^4 - 12*y*z^4 + 6*y^2*z^4)*G[0, 1, y])/((-1 + y)^2*y^2*(-1 + y + z)^2) + ((6*y^3 - 12*y^4 - y^5 + 7*y^6 - 6*y^2*z - 3*y^3*z - 5*y^4*z + 12*y^5*z - 10*y*z^2 + 36*y^2*z^2 - 32*y^3*z^2 + 8*y^4*z^2 - 6*z^3 + 45*y*z^3 - 71*y^2*z^3 + 22*y^3*z^3 + 18*z^4 - 61*y*z^4 + 39*y^2*z^4 - 18*z^5 + 26*y*z^5 + 6*z^6)*G[1, 0, y])/ (y^2*(-1 + y + z)^2*(y + z)^2) + (6*(-1 + y + 2*z)*G[1, 1, y])/y) + G[0, 1 - y, z]*(((4*I)*Pi*(-1 + y + 2*z))/((-1 + y)*y) - (11*(-2 + y)*(-1 + y + 2*z))/((-1 + y)*y) - (Pi^2*(-3*y^5 + 15*y^6 - 30*y^7 + 30*y^8 - 15*y^9 + 3*y^10 - 8*y^4*z + 54*y^5*z - 142*y^6*z + 188*y^7*z - 132*y^8*z + 46*y^9*z - 6*y^10*z - 29*y^3*z^2 + 170*y^4*z^2 - 440*y^5*z^2 + 634*y^6*z^2 - 530*y^7*z^2 + 245*y^8*z^2 - 53*y^9*z^2 + 3*y^10*z^2 - 34*y^2*z^3 + 320*y^3*z^3 - 1014*y^4*z^3 + 1620*y^5*z^3 - 1468*y^6*z^3 + 754*y^7*z^3 - 196*y^8*z^3 + 18*y^9*z^3 - 18*y*z^4 + 302*y^2*z^4 - 1372*y^3*z^4 + 2781*y^4*z^4 - 2978*y^5*z^4 + 1732*y^6*z^4 - 500*y^7*z^4 + 53*y^8*z^4 + 116*y*z^5 - 984*y^2*z^5 + 2854*y^3*z^5 - 3960*y^4*z^5 + 2860*y^5*z^5 - 1004*y^6*z^5 + 126*y^7*z^5 + 3*z^6 - 294*y*z^6 + 1571*y^2*z^6 - 3133*y^3*z^6 + 3003*y^4*z^6 - 1383*y^5*z^6 + 233*y^6*z^6 - 12*z^7 + 372*y*z^7 - 1318*y^2*z^7 + 1810*y^3*z^7 - 1134*y^4*z^7 + 266*y^5*z^7 + 18*z^8 - 242*y*z^8 + 556*y^2*z^8 - 494*y^3*z^8 + 162*y^4*z^8 - 12*z^9 + 72*y*z^9 - 96*y^2*z^9 + 44*y^3*z^9 + 3*z^10 - 6*y*z^10 + 3*y^2*z^10))/ (6*(-1 + y)^2*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2*(y + z)^2) + ((-y^4 + 3*y^5 - 3*y^6 + y^7 - 8*y^3*z + 23*y^4*z - 25*y^5*z + 18*y^6*z - 8*y^7*z + 5*y^2*z^2 + 28*y^3*z^2 - 73*y^4*z^2 + 61*y^5*z^2 - 29*y^6*z^2 + 3*y^7*z^2 + 10*y*z^3 - 43*y^2*z^3 - 22*y^3*z^3 + 86*y^4*z^3 - 45*y^5*z^3 + 6*y^6*z^3 + 6*z^4 - 65*y*z^4 + 138*y^2*z^4 - 29*y^3*z^4 - 30*y^4*z^4 + 2*y^5*z^4 - 30*z^5 + 161*y*z^5 - 204*y^2*z^5 + 52*y^3*z^5 - 5*y^4*z^5 + 60*z^6 - 193*y*z^6 + 141*y^2*z^6 - 21*y^3*z^6 - 60*z^7 + 113*y*z^7 - 37*y^2*z^7 + 30*z^8 - 26*y*z^8 - 6*z^9)*G[1, 0, y])/ (y^2*(-1 + z)^2*z*(-1 + y + z)^2*(y + z)^2) + ((-4*y + 4*y^2 + 9*z + 2*y*z - 9*z^2)*G[1, 1, y])/y^2) + G[1, 0, z]*(((-2*I)*Pi*(-1 + 2*y + z)*(5*y - 5*y^2 + z - 8*y*z + 3*y^2*z + z^2 + 3*y*z^2))/((-1 + y)*y*(-1 + y + z)*(y + z)) - (2*(-1 + 2*y + z)*(14*y - 14*y^2 + 3*z - 17*y*z + 3*y^2*z + 8*z^2 + 3*y*z^2))/((-1 + y)*y*(-1 + y + z)*(y + z)) + (Pi^2*(y - 2*y^2 + y^3 + 3*z - 29*y*z + 62*y^2*z - 36*y^3*z - 12*z^2 + 93*y*z^2 - 152*y^2*z^2 + 63*y^3*z^2 + 18*z^3 - 103*y*z^3 + 92*y^2*z^3 - 12*z^4 + 38*y*z^4 + 3*z^5))/ (6*y^2*z*(-1 + y + z)^2) + ((-y - 3*z + y*z + 4*y*z^2 + 3*z^3)* G[1, 1, y])/(y^2*z)) + G[0, -y, z]* (-(((-3*y^3 + 3*y^4 - y^2*z + 3*y^3*z - y*z^2 + 5*y^2*z^2 - 6*z^3 + 10*y*z^3 + 6*z^4)*G[1, 0, y])/(y^2*z^2)) + ((-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 4*y^2*z - 8*y^3*z - 2*y^4*z + 12*y^5*z - 6*y^6*z + 5*y*z^2 - 33*y^2*z^2 + 68*y^3*z^2 - 58*y^4*z^2 + 15*y^5*z^2 + 3*y^6*z^2 - 6*z^3 + 2*y*z^3 + 56*y^2*z^3 - 76*y^3*z^3 + 42*y^4*z^3 - 10*y^5*z^3 + 18*z^4 - 31*y*z^4 - 27*y^2*z^4 + 31*y^3*z^4 - 7*y^4*z^4 - 18*z^5 + 36*y*z^5 - 6*y^2*z^5 - 4*y^3*z^5 + 6*z^6 - 12*y*z^6 + 6*y^2*z^6)* G[1, 1, y])/((-1 + y)^2*y^2*(-1 + z)^2*z^2)) - (Pi^2*(-1 + 2*y + z)*(-y + y^2 - 3*z + 2*y*z - y^2*z + 21*z^2 - 11*y*z^2 + 10*y^2*z^2 - 33*z^3 + 10*y*z^3 + 15*z^4)*G[1, 1, z])/ (6*y^2*z*(-1 + y + z)^2) + (Pi^2*(3*y^2 - 12*y^3 + 15*y^4 - 6*y^5 + y*z - 17*y^2*z + 43*y^3*z - 35*y^4*z + 8*y^5*z - 2*y*z^2 + 36*y^2*z^2 - 91*y^3*z^2 + 75*y^4*z^2 - 22*y^5*z^2 - 6*z^3 + 9*y*z^3 - 34*y^2*z^3 + 103*y^3*z^3 - 65*y^4*z^3 + 4*y^5*z^3 + 30*z^4 - 36*y*z^4 + 11*y^2*z^4 - 45*y^3*z^4 + 10*y^4*z^4 - 60*z^5 + 59*y*z^5 + 3*y^2*z^5 + 2*y^3*z^5 + 60*z^6 - 42*y*z^6 - 2*y^2*z^6 - 30*z^7 + 11*y*z^7 + 6*z^8)*G[1, 1 - y, z])/(6*y^2*(-1 + z)^2*z^2* (-1 + y + z)^2) + (((4*I)*Pi*(-1 + y + 2*z))/((-1 + y)*y) - (11*(-2 + y)*(-1 + y + 2*z))/((-1 + y)*y) + (Pi^2*(-6*y^5 + 30*y^6 - 60*y^7 + 60*y^8 - 30*y^9 + 6*y^10 - y^3*z - 9*y^4*z + 80*y^5*z - 210*y^6*z + 255*y^7*z - 149*y^8*z + 34*y^9*z - 5*y^2*z^2 + 37*y^3*z^2 - 57*y^4*z^2 - 73*y^5*z^2 + 266*y^6*z^2 - 240*y^7*z^2 + 72*y^8*z^2 - 7*y*z^3 + 83*y^2*z^3 - 333*y^3*z^3 + 578*y^4*z^3 - 435*y^5*z^3 + 95*y^6*z^3 + 19*y^7*z^3 - 3*z^4 + 59*y*z^4 - 369*y^2*z^4 + 996*y^3*z^4 - 1287*y^4*z^4 + 765*y^5*z^4 - 161*y^6*z^4 + 12*z^5 - 153*y*z^5 + 642*y^2*z^5 - 1176*y^3*z^5 + 950*y^4*z^5 - 267*y^5*z^5 - 18*z^6 + 163*y*z^6 - 460*y^2*z^6 + 507*y^3*z^6 - 176*y^4*z^6 + 12*z^7 - 68*y*z^7 + 112*y^2*z^7 - 48*y^3*z^7 - 3*z^8 + 6*y*z^8 - 3*y^2*z^8))/(6*(-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2))* G[1 - y, 0, z] + (Pi^2*(y^3 - 10*y^5 + 20*y^6 - 15*y^7 + 4*y^8 - 19*y^2*z + 93*y^3*z - 199*y^4*z + 220*y^5*z - 120*y^6*z + 25*y^7*z - 31*y*z^2 + 205*y^2*z^2 - 523*y^3*z^2 + 649*y^4*z^2 - 384*y^5*z^2 + 84*y^6*z^2 - 15*z^3 + 165*y*z^3 - 560*y^2*z^3 + 857*y^3*z^3 - 605*y^4*z^3 + 154*y^5*z^3 + 45*z^4 - 267*y*z^4 + 556*y^2*z^4 - 493*y^3*z^4 + 151*y^4*z^4 - 45*z^5 + 163*y*z^5 - 197*y^2*z^5 + 75*y^3*z^5 + 15*z^6 - 30*y*z^6 + 15*y^2*z^6)* G[1 - y, 1, z])/(6*(-1 + y)^2*y^2*(-1 + y + z)^2*(y + z)^2) + ((-28*(y - z)*(-1 + y + z))/(y*z) - ((6*I)*Pi*(y - z)*(-1 + y + z))/ (y*z) + (Pi^2*(y - z)*(3*y^3 - 6*y^4 - 6*y^5 + 24*y^6 - 21*y^7 + 6*y^8 + 9*y^2*z - 29*y^3*z + y^4*z + 93*y^5*z - 130*y^6*z + 68*y^7*z - 12*y^8*z + 9*y*z^2 - 44*y^2*z^2 + 28*y^3*z^2 + 129*y^4*z^2 - 260*y^5*z^2 + 193*y^6*z^2 - 61*y^7*z^2 + 6*y^8*z^2 + 3*z^3 - 29*y*z^3 + 28*y^2*z^3 + 124*y^3*z^3 - 283*y^4*z^3 + 243*y^5*z^3 - 108*y^6*z^3 + 22*y^7*z^3 - 6*z^4 + y*z^4 + 129*y^2*z^4 - 283*y^3*z^4 + 226*y^4*z^4 - 104*y^5*z^4 + 29*y^6*z^4 - 6*z^5 + 93*y*z^5 - 260*y^2*z^5 + 243*y^3*z^5 - 104*y^4*z^5 + 26*y^5*z^5 + 24*z^6 - 130*y*z^6 + 193*y^2*z^6 - 108*y^3*z^6 + 29*y^4*z^6 - 21*z^7 + 68*y*z^7 - 61*y^2*z^7 + 22*y^3*z^7 + 6*z^8 - 12*y*z^8 + 6*y^2*z^8))/(6*(-1 + y)^2*y^2* (-1 + z)^2*z^2*(-1 + y + z)*(y + z)^2))*G[1 - y, 1 - y, z] + (((2*I)*Pi*(y - z)*(2 - 3*y + y^2 - 3*z + 4*y*z + 3*y^2*z + z^2 + 3*y*z^2))/((-1 + y)*y*(-1 + z)*z) + (2*(y - z)*(11 - 19*y + 8*y^2 - 19*z + 27*y*z + 3*y^2*z + 8*z^2 + 3*y*z^2))/((-1 + y)*y*(-1 + z)*z) + (Pi^2*(y - z)*(-9*y^4 + 24*y^5 - 21*y^6 + 6*y^7 - 13*y^3*z + 35*y^4*z - 27*y^5*z + 5*y^6*z - 16*y^2*z^2 - 3*y^3*z^2 + 76*y^4*z^2 - 61*y^5*z^2 - 13*y*z^3 - 3*y^2*z^3 + 164*y^3*z^3 - 166*y^4*z^3 - 9*z^4 + 35*y*z^4 + 76*y^2*z^4 - 166*y^3*z^4 + 24*z^5 - 27*y*z^5 - 61*y^2*z^5 - 21*z^6 + 5*y*z^6 + 6*z^7))/ (6*y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, 1 - y, z] + G[0, 0, y]*((-28*y*(-1 + y + 2*z))/(z*(-1 + y + z)) - ((6*I)*Pi*y*(-1 + y + 2*z))/(z*(-1 + y + z)) + (Pi^2*(-6 + 36*y - 61*y^2 + 43*y^3 - 12*y^4 + 25*z - 89*y*z + 104*y^2*z - 46*y^3*z + 4*y^4*z - 39*z^2 + 77*y*z^2 - 45*y^2*z^2 + 11*y^3*z^2 + 27*z^3 - 31*y*z^3 + 2*y^2*z^3 - 7*z^4 + 7*y*z^4))/ (6*(-1 + y)*(-1 + z)^2*(-1 + y + z)^2) - (6*(y - z)*G[0, 0, z])/ (-1 + y + z) + ((-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 5*z + 34*y*z - 59*y^2*z + 36*y^3*z - 6*y^4*z + 35*z^2 - 139*y*z^2 + 158*y^2*z^2 - 57*y^3*z^2 + 3*y^4*z^2 - 83*z^3 + 218*y*z^3 - 155*y^2*z^3 + 22*y^3*z^3 + 89*z^4 - 140*y*z^4 + 47*y^2*z^4 - 44*z^5 + 30*y*z^5 + 8*z^6)*G[0, 1 - y, z])/((-1 + z)^2*z^2* (-1 + y + z)^2) + ((1 - y + z + y*z - 3*z^2 + 4*y*z^2 + z^3)* G[1, 0, z])/(z*(-1 + y + z)^2) - ((-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - 9*y^2*z + 44*y^3*z - 61*y^4*z + 26*y^5*z - 4*y*z^2 + 35*y^2*z^2 - 70*y^3*z^2 + 39*y^4*z^2 + 7*z^3 - 2*y*z^3 - 33*y^2*z^3 + 26*y^3*z^3 - 11*z^4 - 10*y*z^4 + 17*y^2*z^4 - 4*z^5 + 18*y*z^5 + 8*z^6)*G[1 - y, 0, z])/ (z^2*(-1 + y + z)^2*(y + z)^2) - (6*(-1 + 2*y + z)* G[1 - y, 1 - y, z])/z + ((6*y - 9*y^2 + 3*y^3 + 2*z - 9*y*z + 5*y^2*z + y*z^2 - z^3)*G[-y, 1 - y, z])/(z^2*(-1 + y + z))) + G[1, 1, y]*((-28*(y - z)*(-1 + y + z))/(y*z) - ((6*I)*Pi*(y - z)*(-1 + y + z))/(y*z) - (Pi^2*(10*y^2 - 59*y^3 + 135*y^4 - 151*y^5 + 83*y^6 - 18*y^7 - 9*z + 33*y*z - 90*y^2*z + 194*y^3*z - 269*y^4*z + 211*y^5*z - 76*y^6*z + 6*y^7*z + 42*z^2 - 139*y*z^2 + 255*y^2*z^2 - 278*y^3*z^2 + 174*y^4*z^2 - 71*y^5*z^2 + 17*y^6*z^2 - 78*z^3 + 231*y*z^3 - 333*y^2*z^3 + 224*y^3*z^3 - 51*y^4*z^3 - y^5*z^3 + 72*z^4 - 189*y*z^4 + 217*y^2*z^4 - 95*y^3*z^4 + 11*y^4*z^4 - 33*z^5 + 76*y*z^5 - 65*y^2*z^5 + 14*y^3*z^5 + 6*z^6 - 12*y*z^6 + 6*y^2*z^6))/(6*(-1 + y)^2*y^2*(-1 + z)^2*(-1 + y + z)^2) + ((-4*y + 4*y^2 + 9*z + 2*y*z - 9*z^2)*G[1 - y, 0, z])/y^2 - ((y - z)*(3*y^2 - 15*y^3 + 27*y^4 - 21*y^5 + 6*y^6 + 7*y*z - 35*y^2*z + 73*y^3*z - 81*y^4*z + 48*y^5*z - 12*y^6*z + 3*z^2 - 35*y*z^2 + 94*y^2*z^2 - 132*y^3*z^2 + 109*y^4*z^2 - 45*y^5*z^2 + 6*y^6*z^2 - 15*z^3 + 73*y*z^3 - 132*y^2*z^3 + 135*y^3*z^3 - 63*y^4*z^3 + 10*y^5*z^3 + 27*z^4 - 81*y*z^4 + 109*y^2*z^4 - 63*y^3*z^4 + 8*y^4*z^4 - 21*z^5 + 48*y*z^5 - 45*y^2*z^5 + 10*y^3*z^5 + 6*z^6 - 12*y*z^6 + 6*y^2*z^6)*G[1 - y, -y, z])/ ((-1 + y)^2*y^2*(-1 + z)^2*z^2*(y + z)) - ((-6*y^3 + 6*y^4 - y^2*z + 10*y^3*z - 2*y*z^2 + 5*y^2*z^2 - 3*z^3 + 4*y*z^3 + 3*z^4)*G[-y, 0, z])/(y^2*z^2) - ((y - z)*(-9*y^2 + 9*y^3 - 5*y*z + 7*y^2*z - 9*z^2 + 7*y*z^2 + 9*z^3)*G[-y, 1 - y, z])/(y^2*z^2) + ((y - z)*(-3*y^2 + 3*y^3 - 2*y*z + 11*y^2*z - 3*z^2 + 11*y*z^2 + 3*z^3)*G[-y, -y, z])/(y^2*z^2)) + G[1, 0, y]* (((2*I)*Pi*(-3*y + 6*y^2 - 3*y^3 - 7*z + 25*y*z - 19*y^2*z + 3*y^3*z + 19*z^2 - 32*y*z^2 + 9*y^2*z^2 - 12*z^3 + 6*y*z^3))/ ((-1 + z)*z*(-1 + y + z)*(y + z)) + (-28*y + 56*y^2 - 28*y^3 - 50*z + 195*y*z - 151*y^2*z + 28*y^3*z + 139*z^2 - 245*y*z^2 + 73*y^2*z^2 - 100*z^3 + 56*y*z^3 + 11*z^4)/((-1 + z)*z*(-1 + y + z)* (y + z)) + (Pi^2*(3*y^3 - 6*y^4 - 2*y^5 + 17*y^6 - 12*y^7 + 6*y^2*z - 36*y^3*z + 32*y^4*z + 22*y^5*z - 38*y^6*z + 4*y^7*z + 13*y*z^2 - 78*y^2*z^2 + 154*y^3*z^2 - 83*y^4*z^2 - 10*y^5*z^2 + 5*y^6*z^2 + 6*z^3 - 86*y*z^3 + 270*y^2*z^3 - 294*y^3*z^3 + 114*y^4*z^3 - 18*y^5*z^3 - 30*z^4 + 214*y*z^4 - 402*y^2*z^4 + 255*y^3*z^4 - 57*y^4*z^4 + 60*z^5 - 256*y*z^5 + 276*y^2*z^5 - 82*y^3*z^5 - 60*z^6 + 149*y*z^6 - 72*y^2*z^6 + 30*z^7 - 34*y*z^7 - 6*z^8))/(6*y^2*(-1 + z)^2*(-1 + y + z)^2*(y + z)^2) + ((-y^2 + y^3 + 3*y*z - 5*y^2*z - 6*z^2 + 8*y*z^2 - 4*y^2*z^2 + 5*y^3*z^2 + 18*z^3 - 25*y*z^3 + 10*y^2*z^3 - 18*z^4 + 14*y*z^4 + 6*z^5)*G[1, 0, z])/(y^2*z*(-1 + y + z)^2) - ((3*y - 12*y^2 + 15*y^3 - 6*y^4 + z - 17*y*z + 43*y^2*z - 35*y^3*z + 8*y^4*z + 35*y*z^2 - 92*y^2*z^2 + 75*y^3*z^2 - 22*y^4*z^2 - 18*z^3 - 15*y*z^3 + 96*y^2*z^3 - 65*y^3*z^3 + 4*y^4*z^3 + 52*z^4 - 40*y*z^4 - 28*y^2*z^4 + 10*y^3*z^4 - 63*z^5 + 52*y*z^5 - 7*y^2*z^5 + 36*z^6 - 18*y*z^6 - 8*z^7)*G[1, 1 - y, z])/ (y*(-1 + z)^2*z^2*(-1 + y + z)^2) - ((5*y^3 - 9*y^4 - 2*y^5 + 6*y^6 - 2*y^2*z - 4*y^3*z - 5*y^4*z + 13*y^5*z - 9*y*z^2 + 31*y^2*z^2 - 29*y^3*z^2 + 14*y^4*z^2 - 6*z^3 + 44*y*z^3 - 69*y^2*z^3 + 27*y^3*z^3 + 18*z^4 - 61*y*z^4 + 40*y^2*z^4 - 18*z^5 + 26*y*z^5 + 6*z^6)*G[1 - y, 0, z])/ (y^2*(-1 + y + z)^2*(y + z)^2) - ((3*y^3 - 3*y^4 - 3*y^5 + 3*y^6 + 7*y^2*z - 20*y^3*z + 2*y^4*z + 17*y^5*z - 6*y^6*z + 5*y*z^2 - 28*y^2*z^2 + 32*y^3*z^2 + 2*y^4*z^2 - 13*y^5*z^2 + 3*y^6*z^2 + z^3 - 14*y*z^3 + 27*y^2*z^3 - 27*y^3*z^3 + 14*y^4*z^3 + 7*y^5*z^3 + z^4 - 9*y*z^4 + 26*y^2*z^4 + 11*y^3*z^4 + y^4*z^4 - 17*z^5 + 72*y*z^5 - 68*y^2*z^5 + 9*y^3*z^5 + 35*z^6 - 86*y*z^6 + 36*y^2*z^6 - 28*z^7 + 32*y*z^7 + 8*z^8)*G[1 - y, 1 - y, z])/ (y*(-1 + z)^2*z^2*(-1 + y + z)*(y + z)^2) + (2*(-3*y + 3*y^2 - z + 3*y*z)*G[1 - y, -y, z])/z^2 + ((y - z)*(-6*y^4 + 18*y^5 - 18*y^6 + 6*y^7 - 16*y^3*z + 63*y^4*z - 79*y^5*z + 32*y^6*z - 28*y^2*z^2 + 111*y^3*z^2 - 159*y^4*z^2 + 74*y^5*z^2 - 16*y*z^3 + 111*y^2*z^3 - 196*y^3*z^3 + 104*y^4*z^3 - 6*z^4 + 63*y*z^4 - 159*y^2*z^4 + 104*y^3*z^4 + 18*z^5 - 79*y*z^5 + 74*y^2*z^5 - 18*z^6 + 32*y*z^6 + 6*z^7)*G[-y, 0, z])/ (y^2*z^2*(-1 + y + z)^2*(y + z)^2) + ((3*y^5 - 6*y^6 + 3*y^7 + 3*y^4*z - 5*y^5*z - 3*y^6*z + 5*y^7*z + 7*y^3*z^2 - 26*y^5*z^2 + 23*y^6*z^2 - 13*y^2*z^3 + 24*y^3*z^3 - 47*y^4*z^3 + 40*y^5*z^3 - 10*y*z^4 + 52*y^2*z^4 - 68*y^3*z^4 + 40*y^4*z^4 - 6*z^5 + 45*y*z^5 - 84*y^2*z^5 + 41*y^3*z^5 + 18*z^6 - 61*y*z^6 + 43*y^2*z^6 - 18*z^7 + 26*y*z^7 + 6*z^8)* G[-y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2*(y + z)^2) - ((-6*y^3 + 6*y^4 - y^2*z + 5*y^3*z + y*z^2 - 5*y^2*z^2 + 6*z^3 - 10*y*z^3 - 6*z^4)*G[-y, -y, z])/(y^2*z^2)) + G[0, 1, y]*((28*y^2 - 28*y^3 - 22*z + 33*y*z - 17*y^2*z + 28*y^3*z + 38*z^2 - 49*y*z^2 + 11*y^2*z^2 - 16*z^3 - 6*y*z^3)/ ((-1 + y)*y*(-1 + z)*z) + ((2*I)*Pi*(3*y^2 - 3*y^3 - 2*z + 2*y*z + y^2*z + 3*y^3*z + 3*z^2 - 3*y*z^2 - z^3 - 3*y*z^3))/ ((-1 + y)*y*(-1 + z)*z) - (Pi^2*(18*y^3 - 83*y^4 + 147*y^5 - 117*y^6 + 29*y^7 + 12*y^8 - 6*y^9 + 24*y^2*z - 223*y^3*z + 653*y^4*z - 847*y^5*z + 505*y^6*z - 108*y^7*z - 6*y^8*z + 2*y^9*z + 4*y*z^2 - 184*y^2*z^2 + 975*y^3*z^2 - 2001*y^4*z^2 + 1920*y^5*z^2 - 857*y^6*z^2 + 149*y^7*z^2 - 6*y^8*z^2 - 6*z^3 - 17*y*z^3 + 551*y^2*z^3 - 2043*y^3*z^3 + 3052*y^4*z^3 - 2110*y^5*z^3 + 639*y^6*z^3 - 62*y^7*z^3 + 27*z^4 + 26*y*z^4 - 824*y^2*z^4 + 2249*y^3*z^4 - 2407*y^4*z^4 + 1099*y^5*z^4 - 170*y^6*z^4 - 48*z^5 - 10*y*z^5 + 639*y^2*z^5 - 1281*y^3*z^5 + 905*y^4*z^5 - 213*y^5*z^5 + 42*z^6 - 16*y*z^6 - 231*y^2*z^6 + 324*y^3*z^6 - 119*y^4*z^6 - 18*z^7 + 19*y*z^7 + 22*y^2*z^7 - 19*y^3*z^7 + 3*z^8 - 6*y*z^8 + 3*y^2*z^8))/(6*(-1 + y)^2*y^2* (-1 + z)^2*(-1 + y + z)^2*(y + z)^2) - ((3*y^3 - 12*y^4 + 18*y^5 - 12*y^6 + 3*y^7 + y^2*z - 9*y^3*z + 21*y^4*z - 19*y^5*z + 6*y^6*z + 8*y*z^2 - 27*y^2*z^2 + 42*y^3*z^2 - 35*y^4*z^2 + 12*y^5*z^2 + 6*z^3 - 49*y*z^3 + 87*y^2*z^3 - 63*y^3*z^3 + 19*y^4*z^3 - 15*z^4 + 61*y*z^4 - 65*y^2*z^4 + 27*y^3*z^4 + 9*z^5 - 18*y*z^5 + 9*y^2*z^5)* G[0, 1 - y, z])/((-1 + y)^2*y^2*z^2*(-1 + y + z)) - ((y^3 - 2*y^4 + y^5 + 2*y*z + 4*y^2*z - 20*y^3*z + 22*y^4*z - 8*y^5*z + 9*z^2 - 29*y*z^2 + 11*y^2*z^2 + 18*y^3*z^2 - 16*y^4*z^2 + 3*y^5*z^2 - 27*z^3 + 70*y*z^3 - 41*y^2*z^3 + 2*y^3*z^3 + 4*y^4*z^3 + 27*z^4 - 61*y*z^4 + 35*y^2*z^4 - 5*y^3*z^4 - 9*z^5 + 18*y*z^5 - 9*y^2*z^5)*G[0, -y, z])/ ((-1 + y)^2*y^2*(-1 + z)^2*z) + ((y - 2*y^2 + y^3 + 3*z - 11*y*z + 8*y^2*z - 12*z^2 + 28*y*z^2 - 11*y^2*z^2 + 5*y^3*z^2 + 18*z^3 - 27*y*z^3 + 5*y^2*z^3 - 12*z^4 + 9*y*z^4 + 3*z^5)*G[1, 0, z])/ (y^2*z*(-1 + y + z)^2) + ((-3*y^2 + 9*y^3 - 6*y^4 - 2*y*z + 13*y^2*z - 21*y^3*z + 8*y^4*z - 3*z^2 + 11*y*z^2 - 26*y^2*z^2 + 45*y^3*z^2 - 22*y^4*z^2 + 9*z^3 - 11*y*z^3 + 12*y^2*z^3 - 39*y^3*z^3 + 4*y^4*z^3 - 6*z^4 - 13*y*z^4 + 17*y^2*z^4 + 6*y^3*z^4 - 6*z^5 + 25*y*z^5 - 13*y^2*z^5 + 9*z^6 - 10*y*z^6 - 3*z^7)*G[1, 1 - y, z])/(y^2*(-1 + z)^2*z^2*(-1 + y + z)) + ((-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - y*z + y^2*z + 11*y^3*z - 21*y^4*z + 10*y^5*z - 3*z^2 + 16*y*z^2 - 29*y^2*z^2 + 18*y^3*z^2 - 2*y^4*z^2 + 12*z^3 - 42*y*z^3 + 60*y^2*z^3 - 22*y^3*z^3 - 9*z^4 + 18*y*z^4 - 9*y^2*z^4)*G[1 - y, 0, z])/ ((-1 + y)^2*y^2*z^2) + ((-3*y^4 + 9*y^5 - 9*y^6 + 3*y^7 + y^2*z - 7*y^3*z + 20*y^4*z - 29*y^5*z + 21*y^6*z - 6*y^7*z - y*z^2 + 4*y^2*z^2 + y^3*z^2 - 3*y^4*z^2 - y^5*z^2 - 3*y^6*z^2 + 3*y^7*z^2 + 2*y*z^3 - 17*y^2*z^3 + 31*y^3*z^3 - 44*y^4*z^3 + 21*y^5*z^3 - y^6*z^3 - 6*z^4 + 15*y*z^4 - 12*y^2*z^4 - 5*y^3*z^4 + 24*y^4*z^4 - 8*y^5*z^4 + 18*z^5 - 44*y*z^5 + 56*y^2*z^5 - 20*y^3*z^5 - 2*y^4*z^5 - 18*z^6 + 40*y*z^6 - 38*y^2*z^6 + 8*y^3*z^6 + 6*z^7 - 12*y*z^7 + 6*y^2*z^7)* G[1 - y, 1 - y, z])/((-1 + y)^2*y^2*(-1 + z)^2*z^2*(y + z)) - ((-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 7*y^3*z - 20*y^4*z + 19*y^5*z - 6*y^6*z + 2*y*z^2 - 4*y^2*z^2 - 11*y^3*z^2 + 27*y^4*z^2 - 17*y^5*z^2 + 3*y^6*z^2 + 9*z^3 - 29*y*z^3 + 39*y^2*z^3 - 10*y^3*z^3 - 8*y^4*z^3 + 3*y^5*z^3 - 27*z^4 + 70*y*z^4 - 73*y^2*z^4 + 22*y^3*z^4 + 27*z^5 - 61*y*z^5 + 47*y^2*z^5 - 9*y^3*z^5 - 9*z^6 + 18*y*z^6 - 9*y^2*z^6)*G[1 - y, -y, z])/ ((-1 + y)^2*y^2*(-1 + z)^2*z^2) - ((-2*y + y^3 - 6*z + 9*y*z - y^2*z + 9*z^2 - 5*y*z^2 - 3*z^3)* G[-y, 0, z])/(y^2*(-1 + y + z)) + ((6*y^3 - 9*y^4 + 3*y^5 + y^2*z - 12*y^3*z + 9*y^4*z + 2*y*z^2 - 8*y^2*z^2 + 11*y^3*z^2 + 3*z^3 - 14*y*z^3 + 13*y^2*z^3 - 9*z^4 + 14*y*z^4 + 6*z^5)*G[-y, 1 - y, z])/(y^2*z^2*(-1 + y + z)) + ((6*y^3 - 15*y^4 + 9*y^5 + y^2*z - 23*y^3*z + 24*y^4*z - y*z^2 - 5*y^2*z^2 + 20*y^3*z^2 - 6*z^3 + 18*y*z^3 - 5*y^2*z^3 + 15*z^4 - 19*y*z^4 - 9*z^5)*G[-y, -y, z])/(y^2*z^2*(-1 + y + z))) + (9*y*(-1 + y + 2*z)*G[0, 0, 0, y])/(z*(-1 + y + z)) - (9*z*(-1 + 2*y + z)*G[0, 0, 0, z])/(y*(-1 + y + z)) + (((-2*I)*Pi*(-3*y + 13*y^2 - 21*y^3 + 17*y^4 - 6*y^5 - 3*z + 18*y*z - 45*y^2*z + 36*y^3*z - 12*y^4*z + 2*y^5*z + 9*z^2 - 33*y*z^2 + 56*y^2*z^2 - 27*y^3*z^2 + 3*y^4*z^2 - 9*z^3 + 24*y*z^3 - 27*y^2*z^3 + 8*y^3*z^3 + 3*z^4 - 6*y*z^4 + 3*y^2*z^4))/ ((-1 + y)^2*y^2*(-1 + z)^2) - (3*y^3 - 9*y^4 + 9*y^5 - 3*y^6 - 2*y*z - 2*y^2*z + 8*y^3*z - 8*y^4*z + 10*y^5*z - 6*y^6*z + 19*z^2 - 60*y*z^2 + 105*y^2*z^2 - 93*y^3*z^2 + 32*y^4*z^2 - 6*y^5*z^2 + 3*y^6*z^2 - 76*z^3 + 230*y*z^3 - 310*y^2*z^3 + 189*y^3*z^3 - 38*y^4*z^3 - y^5*z^3 + 114*z^4 - 310*y*z^4 + 332*y^2*z^4 - 141*y^3*z^4 + 17*y^4*z^4 - 76*z^5 + 180*y*z^5 - 144*y^2*z^5 + 34*y^3*z^5 + 19*z^6 - 38*y*z^6 + 19*y^2*z^6)/ ((-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)))*G[0, 0, 1, y] + (((-2*I)*Pi*(-3*y + 3*y^2 - 3*z + 8*y*z + 3*z^2))/y^2 - (2*y - 6*y^3 + 4*y^4 - 19*z + 50*y*z - 63*y^2*z + 32*y^3*z + 38*z^2 - 71*y*z^2 + 41*y^2*z^2 - 19*z^3 + 19*y*z^3)/ ((-1 + y)*y^2*(-1 + y + z)))*G[0, 0, 1 - y, z] + (((2*I)*Pi*(-2*y - 3*y^2 + 8*y^3 - 6*y^4 + 2*z - 4*y*z + 25*y^2*z - 22*y^3*z + 2*y^4*z - 9*z^2 + 28*y*z^2 - 35*y^2*z^2 + 6*y^3*z^2 + 15*z^3 - 30*y*z^3 + 9*y^2*z^3 - 11*z^4 + 8*y*z^4 + 3*z^5))/ ((-1 + z)^2*(-1 + y + z)*(y + z)^2) + (6*y^3 - 3*y^4 - 3*y^5 + 3*y^2*z - 22*y^3*z + 16*y^4*z - 6*y^5*z - 3*y*z^2 - 13*y^2*z^2 + 48*y^3*z^2 - 38*y^4*z^2 + 3*y^5*z^2 - 6*z^3 + 18*y*z^3 + 13*y^2*z^3 - 48*y^3*z^3 + 13*y^4*z^3 + 24*z^4 - 46*y*z^4 + 10*y^2*z^4 + 10*y^3*z^4 - 36*z^5 + 50*y*z^5 - 13*y^2*z^5 + 24*z^6 - 19*y*z^6 - 6*z^7)/(y*(-1 + z)^2*z* (-1 + y + z)*(y + z)^2))*G[0, 1, 0, y] + (((2*I)*Pi*z*(-1 + 2*y + z)*(-6*y + 9*y^2 - 6*y^3 + 3*y^4 - 2*z + 10*y*z - 10*y^2*z + 6*y^3*z + 5*z^2 - 4*y*z^2 + 3*y^2*z^2))/ ((-1 + y)^2*y*(-1 + y + z)*(y + z)^2) + ((-1 + 2*y + z)*(10*y^2 - 20*y^3 + 10*y^4 + 11*y*z - 30*y^2*z + 18*y^3*z + y^4*z + 7*z^2 - 17*y*z^2 + 14*y^2*z^2 + 2*y^3*z^2 - z^3 + 6*y*z^3 + y^2*z^3))/((-1 + y)^2*y*(-1 + y + z)*(y + z)^2))* G[0, 1, 0, z] + (((2*I)*Pi*(-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2))/ y^2 - (-3*y^2 + 12*y^3 - 9*y^4 - 6*y*z + 16*y^2*z - 11*y^3*z + 9*y^4*z - 19*z^2 + 46*y*z^2 - 34*y^2*z^2 + 7*y^3*z^2 + 38*z^3 - 59*y*z^3 + 13*y^2*z^3 - 19*z^4 + 19*y*z^4)/((-1 + y)*y^2*(-1 + z)* z))*G[0, 1, 1, y] + (((-2*I)*Pi*(-3*y + 3*y^2 - 3*z + 8*y*z + 3*z^2))/y^2 - (2*y - 6*y^3 + 4*y^4 - 19*z + 50*y*z - 63*y^2*z + 32*y^3*z + 38*z^2 - 71*y*z^2 + 41*y^2*z^2 - 19*z^3 + 19*y*z^3)/ ((-1 + y)*y^2*(-1 + y + z)))*G[0, 1 - y, 0, z] + (((-2*I)*Pi*(-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2))/y^2 + (6*y^2 - 12*y^3 + 6*y^4 + 3*y*z - 10*y^2*z + 7*y^3*z + 19*z^2 - 43*y*z^2 + 16*y^2*z^2 - 19*z^3 + 19*y*z^3)/((-1 + y)*y^2*z))* G[0, 1 - y, 1 - y, z] + (((2*I)*Pi*(-2*y^2 + 8*y^3 - 10*y^4 + 4*y^5 - 3*y*z + 20*y^2*z - 43*y^3*z + 40*y^4*z - 14*y^5*z - 3*z^2 + 19*y*z^2 - 55*y^2*z^2 + 57*y^3*z^2 - 28*y^4*z^2 + 6*y^5*z^2 + 9*z^3 - 35*y*z^3 + 63*y^2*z^3 - 35*y^3*z^3 + 6*y^4*z^3 - 9*z^4 + 25*y*z^4 - 29*y^2*z^4 + 9*y^3*z^4 + 3*z^5 - 6*y*z^5 + 3*y^2*z^5))/ ((-1 + y)^2*y^2*(-1 + z)^2*z) + (y^2 - 10*y^3 + 17*y^4 - 8*y^5 + 8*y*z - 11*y^2*z + y^3*z + 2*y^4*z - 19*z^2 + 26*y*z^2 - 21*y^2*z^2 + 14*y^3*z^2 - 8*y^4*z^2 + 2*y^5*z^2 + 57*z^3 - 114*y*z^3 + 93*y^2*z^3 - 25*y^3*z^3 + y^4*z^3 - 57*z^4 + 118*y*z^4 - 81*y^2*z^4 + 14*y^3*z^4 + 19*z^5 - 38*y*z^5 + 19*y^2*z^5)/((-1 + y)^2*y^2*(-1 + z)^2*z))*G[0, -y, 1 - y, z] + (((2*I)*Pi*(2*y - 2*y^2 - 3*z - 2*y*z + 3*z^2))/(-1 + y + z)^2 - (6*y - 21*y^2 + 24*y^3 - 9*y^4 + 14*z - 71*y*z + 109*y^2*z - 61*y^3*z + 9*y^4*z - 50*z^2 + 147*y*z^2 - 142*y^2*z^2 + 29*y^3*z^2 + 54*z^3 - 104*y*z^3 + 46*y^2*z^3 - 14*z^4 + 22*y*z^4 - 4*z^5)/((-1 + z)*z*(-1 + y + z)^2*(y + z)))*G[1, 0, 0, y] + (((2*I)*Pi*(-1 + 2*y + z)*(3*y - 3*y^2 + 3*z - 11*y*z + 8*y^2*z - 6*z^2 + 8*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)^2) + ((-1 + 2*y + z)*(-12*y^2 + 24*y^3 - 12*y^4 - 23*y*z + 78*y^2*z - 86*y^3*z + 31*y^4*z - 19*z^2 + 84*y*z^2 - 135*y^2*z^2 + 62*y^3*z^2 + 38*z^3 - 80*y*z^3 + 50*y^2*z^3 - 19*z^4 + 19*y*z^4))/ ((-1 + y)*y^2*(-1 + y + z)^2*(y + z)))*G[1, 0, 0, z] + (((2*I)*Pi*(-3 + 8*y - 15*y^2 + 16*y^3 - 6*y^4 + 11*z - 18*y*z + 19*y^2*z - 10*y^3*z + 2*y^4*z - 13*z^2 + 14*y*z^2 - 11*y^2*z^2 + 2*y^3*z^2 + 5*z^3 - 4*y*z^3 + 3*y^2*z^3))/((-1 + y)^2*y* (-1 + z)^2) + (-9*y + 30*y^2 - 36*y^3 + 18*y^4 - 3*y^5 + 34*y*z - 81*y^2*z + 54*y^3*z - y^4*z - 6*y^5*z + 7*z^2 - 76*y*z^2 + 121*y^2*z^2 - 48*y^3*z^2 - 7*y^4*z^2 + 3*y^5*z^2 - 21*z^3 + 104*y*z^3 - 115*y^2*z^3 + 36*y^3*z^3 + 2*y^4*z^3 + 21*z^4 - 71*y*z^4 + 50*y^2*z^4 - 12*y^3*z^4 - 7*z^5 + 18*y*z^5 - 5*y^2*z^5)/ ((-1 + y)^2*y*(-1 + z)^2*z*(-1 + y + z)))*G[1, 0, 1, y] + (((-2*I)*Pi*(-y - 3*z + 3*y*z + 3*z^2))/y^2 - (z*(19 - 39*y + 26*y^2 - 38*z + 39*y*z + 19*z^2))/ (y^2*(-1 + y + z)))*G[1, 0, 1 - y, z] + (((-2*I)*Pi*(-2*y + 8*y^2 - 13*y^3 + 13*y^4 - 6*y^5 + 2*z + 14*y*z - 50*y^2*z + 60*y^3*z - 28*y^4*z + 2*y^5*z - 2*z^2 - 51*y*z^2 + 109*y^2*z^2 - 67*y^3*z^2 + 7*y^4*z^2 - 10*z^3 + 84*y*z^3 - 90*y^2*z^3 + 16*y^3*z^3 + 22*z^4 - 61*y*z^4 + 23*y^2*z^4 - 16*z^5 + 16*y*z^5 + 4*z^6))/((-1 + z)^2*(-1 + y + z)^2* (y + z)^2) - (3*y^3 - 9*y^4 + 9*y^5 - 3*y^6 - 7*y^2*z + 8*y^3*z - 3*y^4*z + 8*y^5*z - 6*y^6*z - 10*y*z^2 + 81*y^2*z^2 - 137*y^3*z^2 + 132*y^4*z^2 - 48*y^5*z^2 + 3*y^6*z^2 - 6*z^3 + 82*y*z^3 - 284*y^2*z^3 + 361*y^3*z^3 - 193*y^4*z^3 + 19*y^5*z^3 + 30*z^4 - 213*y*z^4 + 427*y^2*z^4 - 339*y^3*z^4 + 67*y^4*z^4 - 60*z^5 + 247*y*z^5 - 291*y^2*z^5 + 104*y^3*z^5 + 60*z^6 - 133*y*z^6 + 74*y^2*z^6 - 30*z^7 + 27*y*z^7 + 6*z^8)/ (y*(-1 + z)^2*z*(-1 + y + z)^2*(y + z)^2))*G[1, 1, 0, y] + (((2*I)*Pi*(-1 + 2*y + z)*(2*y - 2*y^2 + 3*z - 6*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)^2) + ((-1 + 2*y + z)*(-5*y^2 + 10*y^3 - 5*y^4 - 20*y*z + 61*y^2*z - 72*y^3*z + 31*y^4*z - 19*z^2 + 85*y*z^2 - 132*y^2*z^2 + 62*y^3*z^2 + 38*z^3 - 84*y*z^3 + 50*y^2*z^3 - 19*z^4 + 19*y*z^4))/ ((-1 + y)*y^2*(-1 + y + z)^2*(y + z)))*G[1, 1, 0, z] + (9*(y - z)*(-1 + y + z)*G[1, 1, 1, y])/(y*z) + G[-y, z]*((((-2*I)*Pi*(y^3 - y*z - 3*z^2 + 2*y*z^2 + 3*z^3))/(y^2*z) - (-6*y^2 + 13*y^3 - 7*y^4 + y*z + 10*y^2*z - 18*y^3*z + 11*y^4*z - 19*z^2 + 35*y*z^2 - 21*y^2*z^2 + 5*y^3*z^2 + 38*z^3 - 55*y*z^3 + 13*y^2*z^3 - 19*z^4 + 19*y*z^4)/((-1 + y)*y^2*(-1 + z)*z))* G[0, 1, y] + (((-2*I)*Pi*(-3*y + 3*y^2 - z + 3*y*z))/z^2 - ((-1 + y + z)*(19*y^2 - y*z + 6*z^2))/(y*z^2))*G[1, 0, y] + (((2*I)*Pi*(y - z)*(-3*y^2 + 3*y^3 - y*z + y^2*z - 3*z^2 + y*z^2 + 3*z^3))/(y^2*z^2) + ((y - z)*(-19*y^2 + 38*y^3 - 19*y^4 - 19*y*z + 72*y^2*z - 72*y^3*z + 19*y^4*z - 19*z^2 + 72*y*z^2 - 87*y^2*z^2 + 26*y^3*z^2 + 38*z^3 - 72*y*z^3 + 26*y^2*z^3 - 19*z^4 + 19*y*z^4))/((-1 + y)*y^2*(-1 + z)*z^2))*G[1, 1, y] + ((-3*y^4 + 3*y^5 - 6*y^3*z + 8*y^4*z - 2*y*z^2 + 6*y^3*z^2 - 6*z^3 + 15*y*z^3 - 6*y^2*z^3 + 12*z^4 - 13*y*z^4 - 6*z^5)*G[0, 0, 1, y])/ (y^2*z^2*(-1 + y + z)) - ((y - z)*(-6*y^4 + 18*y^5 - 18*y^6 + 6*y^7 - 16*y^3*z + 63*y^4*z - 79*y^5*z + 32*y^6*z - 28*y^2*z^2 + 111*y^3*z^2 - 159*y^4*z^2 + 74*y^5*z^2 - 16*y*z^3 + 111*y^2*z^3 - 196*y^3*z^3 + 104*y^4*z^3 - 6*z^4 + 63*y*z^4 - 159*y^2*z^4 + 104*y^3*z^4 + 18*z^5 - 79*y*z^5 + 74*y^2*z^5 - 18*z^6 + 32*y*z^6 + 6*z^7)*G[0, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2* (y + z)^2) + ((-6*y^3 + 6*y^4 - y^2*z + 12*y^3*z - 2*y*z^2 + 5*y^2*z^2 - 3*z^3 + 2*y*z^3 + 3*z^4)*G[0, 1, 1, y])/(y^2*z^2) + ((6*y - 9*y^2 + 3*y^3 + 2*z - 9*y*z + 5*y^2*z + y*z^2 - z^3)* G[1, 0, 0, y])/(z^2*(-1 + y + z)) + ((6*y^3 - 9*y^4 + 3*y^5 + y^2*z - 12*y^3*z + 9*y^4*z + 2*y*z^2 - 8*y^2*z^2 + 11*y^3*z^2 + 3*z^3 - 14*y*z^3 + 13*y^2*z^3 - 9*z^4 + 14*y*z^4 + 6*z^5)*G[1, 0, 1, y])/(y^2*z^2*(-1 + y + z)) + ((3*y^5 - 6*y^6 + 3*y^7 + 3*y^4*z - 5*y^5*z - 3*y^6*z + 5*y^7*z + 7*y^3*z^2 - 26*y^5*z^2 + 23*y^6*z^2 - 13*y^2*z^3 + 24*y^3*z^3 - 47*y^4*z^3 + 40*y^5*z^3 - 10*y*z^4 + 52*y^2*z^4 - 68*y^3*z^4 + 40*y^4*z^4 - 6*z^5 + 45*y*z^5 - 84*y^2*z^5 + 41*y^3*z^5 + 18*z^6 - 61*y*z^6 + 43*y^2*z^6 - 18*z^7 + 26*y*z^7 + 6*z^8)* G[1, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2*(y + z)^2) - ((y - z)*(-9*y^2 + 9*y^3 - 5*y*z + 7*y^2*z - 9*z^2 + 7*y*z^2 + 9*z^3)*G[1, 1, 1, y])/(y^2*z^2)) + (((-2*I)*Pi*(-y - 3*z + 3*y*z + 3*z^2))/y^2 - (z*(19 - 39*y + 26*y^2 - 38*z + 39*y*z + 19*z^2))/ (y^2*(-1 + y + z)))*G[1, 1 - y, 0, z] + (((-2*I)*Pi*(-3*y + 3*y^2 - 3*z + 8*y*z + 3*z^2))/y^2 - (2*y - 6*y^3 + 4*y^4 - 19*z + 50*y*z - 63*y^2*z + 32*y^3*z + 38*z^2 - 71*y*z^2 + 41*y^2*z^2 - 19*z^3 + 19*y*z^3)/ ((-1 + y)*y^2*(-1 + y + z)))*G[1 - y, 0, 0, z] + (((-2*I)*Pi*(-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2))/y^2 + (6*y^2 - 12*y^3 + 6*y^4 + 3*y*z - 10*y^2*z + 7*y^3*z + 19*z^2 - 43*y*z^2 + 16*y^2*z^2 - 19*z^3 + 19*y*z^3)/((-1 + y)*y^2*z))* G[1 - y, 0, 1 - y, z] + (((2*I)*Pi*(-y^3 - 3*y^4 + 15*y^5 - 17*y^6 + 6*y^7 + y^2*z - 13*y^3*z + 44*y^4*z - 47*y^5*z + 15*y^6*z - 5*y*z^2 + 11*y^2*z^2 + 15*y^3*z^2 - 37*y^4*z^2 + 12*y^5*z^2 - 3*z^3 + 19*y*z^3 - 27*y^2*z^3 + 3*y^3*z^3 + 6*z^4 - 20*y*z^4 + 16*y^2*z^4 - 6*y^3*z^4 - 3*z^5 + 6*y*z^5 - 3*y^2*z^5))/ ((-1 + y)^2*y^2*(-1 + y + z)*(y + z)^2) - (10*y^3 - 24*y^4 + 22*y^5 - 12*y^6 + 4*y^7 + 30*y^2*z - 132*y^3*z + 203*y^4*z - 139*y^5*z + 38*y^6*z + 45*y*z^2 - 256*y^2*z^2 + 476*y^3*z^2 - 366*y^4*z^2 + 107*y^5*z^2 + 19*z^3 - 174*y*z^3 + 437*y^2*z^3 - 405*y^3*z^3 + 135*y^4*z^3 - 38*z^4 + 167*y*z^4 - 204*y^2*z^4 + 81*y^3*z^4 + 19*z^5 - 38*y*z^5 + 19*y^2*z^5)/ ((-1 + y)^2*y^2*(-1 + y + z)*(y + z)^2))*G[1 - y, 1, 0, z] + (((-2*I)*Pi*(-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2))/y^2 + (6*y^2 - 12*y^3 + 6*y^4 + 3*y*z - 10*y^2*z + 7*y^3*z + 19*z^2 - 43*y*z^2 + 16*y^2*z^2 - 19*z^3 + 19*y*z^3)/((-1 + y)*y^2*z))* G[1 - y, 1 - y, 0, z] + (9*(y - z)*(-1 + y + z)* G[1 - y, 1 - y, 1 - y, z])/(y*z) + (((-2*I)*Pi*(y - z)*(-1 + y + z)*(3 - 8*y + 5*y^2 - 8*z + 8*y*z - 4*y^2*z + 5*z^2 - 4*y*z^2 + 3*y^2*z^2))/((-1 + y)^2*y*(-1 + z)^2* z) - ((y - z)*(-6 + 11*y - 4*y^2 - y^3 + 11*z - 13*y*z - 4*y^2*z + 6*y^3*z - 4*z^2 - 4*y*z^2 + y^2*z^2 + y^3*z^2 - z^3 + 6*y*z^3 + y^2*z^3))/((-1 + y)^2*y*(-1 + z)^2*z))*G[1 - y, -y, 1 - y, z] + (((2*I)*Pi*(-y - 3*z + 3*y*z + 3*z^2))/y^2 + ((-1 + y + z)*(6*y^2 - y*z + 19*z^2))/(y^2*z))*G[-y, 0, 1 - y, z] + (((2*I)*Pi*(-y - 3*z + 3*y*z + 3*z^2))/y^2 + ((-1 + y + z)*(6*y^2 - y*z + 19*z^2))/(y^2*z))*G[-y, 1 - y, 0, z] + (((2*I)*Pi*(y - z)*(-3*y^2 + 3*y^3 - y*z + y^2*z - 3*z^2 + y*z^2 + 3*z^3))/(y^2*z^2) + ((y - z)*(-19*y^2 + 38*y^3 - 19*y^4 - 19*y*z + 72*y^2*z - 72*y^3*z + 19*y^4*z - 19*z^2 + 72*y*z^2 - 87*y^2*z^2 + 26*y^3*z^2 + 38*z^3 - 72*y*z^3 + 26*y^2*z^3 - 19*z^4 + 19*y*z^4))/((-1 + y)*y^2*(-1 + z)*z^2))* G[-y, 1 - y, 1 - y, z] + (((2*I)*Pi*(y - z)*(-3*y^2 + 3*y^3 - 4*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(y^2*z^2) + ((y - z)*(-19*y^2 + 38*y^3 - 19*y^4 - 12*y*z + 61*y^2*z - 68*y^3*z + 19*y^4*z - 19*z^2 + 61*y*z^2 - 72*y^2*z^2 + 26*y^3*z^2 + 38*z^3 - 68*y*z^3 + 26*y^2*z^3 - 19*z^4 + 19*y*z^4))/ ((-1 + y)*y^2*(-1 + z)*z^2))*G[-y, -y, 1 - y, z] + ((-7*y + 2*y^2 + 27*y^3 - 18*y^4 - 9*z + 47*y*z - 26*y^2*z - 36*y^3*z + 6*y^4*z + 36*z^2 - 99*y*z^2 + 46*y^2*z^2 + 9*y^3*z^2 - 54*z^3 + 85*y*z^3 - 22*y^2*z^3 + 36*z^4 - 26*y*z^4 - 9*z^5)* G[0, 0, 0, 1, y])/(y^2*(-1 + z)^2*(-1 + y + z)) + ((-7*y + 7*y^2 - 9*z + 20*y*z + 9*z^2)*G[0, 0, 0, 1 - y, z])/y^2 - ((6*y^3 - 26*y^4 + 56*y^5 - 65*y^6 + 41*y^7 - 12*y^8 - 6*y^2*z - 25*y^3*z + 152*y^4*z - 259*y^5*z + 198*y^6*z - 66*y^7*z + 4*y^8*z - 10*y*z^2 + 50*y^2*z^2 + 33*y^3*z^2 - 299*y^4*z^2 + 362*y^5*z^2 - 153*y^6*z^2 + 17*y^7*z^2 - 6*z^3 + 71*y*z^3 - 186*y^2*z^3 + 52*y^3*z^3 + 216*y^4*z^3 - 171*y^5*z^3 + 28*y^6*z^3 + 30*z^4 - 191*y*z^4 + 342*y^2*z^4 - 168*y^3*z^4 - 33*y^4*z^4 + 20*y^5*z^4 - 60*z^5 + 253*y*z^5 - 322*y^2*z^5 + 137*y^3*z^5 - 10*y^4*z^5 + 60*z^6 - 173*y*z^6 + 148*y^2*z^6 - 35*y^3*z^6 - 30*z^7 + 56*y*z^7 - 26*y^2*z^7 + 6*z^8 - 6*y*z^8)*G[0, 0, 1, 0, y])/ ((-1 + y)*y^2*(-1 + z)^2*(-1 + y + z)^2*(y + z)^2) - ((-1 + 2*y + z)*(y^3 - 3*y^4 + 3*y^5 - y^6 - 16*y^2*z + 37*y^3*z - 34*y^4*z + 21*y^5*z - 8*y^6*z - 15*y*z^2 + 89*y^2*z^2 - 147*y^3*z^2 + 117*y^4*z^2 - 54*y^5*z^2 + 10*y^6*z^2 - 6*z^3 + 67*y*z^3 - 186*y^2*z^3 + 205*y^3*z^3 - 118*y^4*z^3 + 30*y^5*z^3 + 18*z^4 - 102*y*z^4 + 166*y^2*z^4 - 118*y^3*z^4 + 36*y^4*z^4 - 18*z^5 + 62*y*z^5 - 58*y^2*z^5 + 22*y^3*z^5 + 6*z^6 - 12*y*z^6 + 6*y^2*z^6)*G[0, 0, 1, 0, z])/((-1 + y)^2*y^2*(-1 + z)* (-1 + y + z)^2*(y + z)^2) + (2*(-3 + 13*y - 21*y^2 + 17*y^3 - 6*y^4 + 10*z - 38*y*z + 34*y^2*z - 12*y^3*z + 2*y^4*z - 11*z^2 + 39*y*z^2 - 23*y^2*z^2 + 3*y^3*z^2 + 4*z^3 - 14*y*z^3 + 6*y^2*z^3)* G[0, 0, 1, 1, y])/((-1 + y)^2*y*(-1 + z)^2) + ((-7*y + 7*y^2 - 9*z + 20*y*z + 9*z^2)*G[0, 0, 1 - y, 0, z])/y^2 + (6*(-1 + y + 2*z)*G[0, 0, 1 - y, 1 - y, z])/y + ((4*y^2 - 20*y^3 + 36*y^4 - 28*y^5 + 8*y^6 - 8*y*z + 19*y^2*z + 24*y^3*z - 95*y^4*z + 82*y^5*z - 22*y^6*z - 15*z^2 + 92*y*z^2 - 207*y^2*z^2 + 152*y^3*z^2 + 22*y^4*z^2 - 54*y^5*z^2 + 10*y^6*z^2 + 57*z^3 - 250*y*z^3 + 452*y^2*z^3 - 330*y^3*z^3 + 71*y^4*z^3 + 8*y^5*z^3 - 81*z^4 + 280*y*z^4 - 391*y^2*z^4 + 214*y^3*z^4 - 38*y^4*z^4 + 51*z^5 - 138*y*z^5 + 135*y^2*z^5 - 40*y^3*z^5 - 12*z^6 + 24*y*z^6 - 12*y^2*z^6)*G[0, 0, -y, 1 - y, z])/ ((-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)) - ((-4*y + 23*y^3 - 47*y^4 + 40*y^5 - 12*y^6 + 4*z - 16*y*z + 78*y^2*z - 164*y^3*z + 160*y^4*z - 64*y^5*z + 4*y^6*z - 24*z^2 + 119*y*z^2 - 259*y^2*z^2 + 279*y^3*z^2 - 131*y^4*z^2 + 16*y^5*z^2 + 56*z^3 - 214*y*z^3 + 286*y^2*z^3 - 158*y^3*z^3 + 26*y^4*z^3 - 64*z^4 + 163*y*z^4 - 127*y^2*z^4 + 28*y^3*z^4 + 36*z^5 - 56*y*z^5 + 22*y^2*z^5 - 8*z^6 + 8*y*z^6)*G[0, 1, 0, 0, y])/ ((-1 + y)*(-1 + z)^2*(-1 + y + z)^2*(y + z)^2) - ((-1 + 2*y + z)*(-y^3 + 3*y^4 - 3*y^5 + y^6 - 17*y^2*z + 53*y^3*z - 71*y^4*z + 51*y^5*z - 16*y^6*z - 11*y*z^2 + 97*y^2*z^2 - 203*y^3*z^2 + 193*y^4*z^2 - 90*y^5*z^2 + 14*y^6*z^2 - 3*z^3 + 59*y*z^3 - 208*y^2*z^3 + 273*y^3*z^3 - 171*y^4*z^3 + 42*y^5*z^3 + 12*z^4 - 96*y*z^4 + 184*y^2*z^4 - 148*y^3*z^4 + 48*y^4*z^4 - 15*z^5 + 60*y*z^5 - 63*y^2*z^5 + 26*y^3*z^5 + 6*z^6 - 12*y*z^6 + 6*y^2*z^6)*G[0, 1, 0, 0, z])/((-1 + y)^2*y^2*(-1 + z)* (-1 + y + z)^2*(y + z)^2) - ((-7*y + 27*y^2 - 18*y^3 - 29*y^4 + 39*y^5 - 12*y^6 - 3*z + 48*y*z - 155*y^2*z + 148*y^3*z - 16*y^4*z - 26*y^5*z + 4*y^6*z + 15*z^2 - 116*y*z^2 + 296*y^2*z^2 - 257*y^3*z^2 + 67*y^4*z^2 + 3*y^5*z^2 - 27*z^3 + 128*y*z^3 - 241*y^2*z^3 + 154*y^3*z^3 - 30*y^4*z^3 + 21*z^4 - 65*y*z^4 + 79*y^2*z^4 - 27*y^3*z^4 - 6*z^5 + 12*y*z^5 - 6*y^2*z^5)* G[0, 1, 0, 1, y])/((-1 + y)^2*y^2*(-1 + z)^2*(-1 + y + z)) + (2*(-y - 3*z + 3*y*z + 3*z^2)*G[0, 1, 0, 1 - y, z])/y^2 + ((4*y^3 + 3*y^4 - 17*y^5 + 16*y^6 - 6*y^7 - 4*y^2*z + 13*y^3*z - 66*y^4*z + 85*y^5*z - 34*y^6*z + 2*y^7*z - 10*y*z^2 + 53*y^2*z^2 - 132*y^3*z^2 + 194*y^4*z^2 - 105*y^5*z^2 + 10*y^6*z^2 - 6*z^3 + 65*y*z^3 - 188*y^2*z^3 + 276*y^3*z^3 - 192*y^4*z^3 + 33*y^5*z^3 + 30*z^4 - 161*y*z^4 + 284*y^2*z^4 - 228*y^3*z^4 + 61*y^4*z^4 - 60*z^5 + 193*y*z^5 - 196*y^2*z^5 + 67*y^3*z^5 + 60*z^6 - 113*y*z^6 + 51*y^2*z^6 - 30*z^7 + 26*y*z^7 + 6*z^8)* G[0, 1, 1, 0, y])/(y^2*(-1 + z)^2*(-1 + y + z)^2*(y + z)^2) - ((-1 + 2*y + z)*(2*y^3 - 6*y^4 + 6*y^5 - 2*y^6 + 19*y^2*z - 53*y^3*z + 58*y^4*z - 33*y^5*z + 9*y^6*z + 22*y*z^2 - 94*y^2*z^2 + 139*y^3*z^2 - 94*y^4*z^2 + 27*y^5*z^2 + 9*z^3 - 69*y*z^3 + 143*y^2*z^3 - 115*y^3*z^3 + 36*y^4*z^3 - 18*z^4 + 65*y*z^4 - 70*y^2*z^4 + 27*y^3*z^4 + 9*z^5 - 18*y*z^5 + 9*y^2*z^5)* G[0, 1, 1, 0, z])/((-1 + y)^2*y^2*(-1 + y + z)^2*(y + z)^2) - ((-4*y + 4*y^2 + 9*z + 2*y*z - 9*z^2)*G[0, 1, 1, 1, y])/y^2 + (2*(-y - 3*z + 3*y*z + 3*z^2)*G[0, 1, 1 - y, 0, z])/y^2 + ((-7*y + 7*y^2 - 9*z + 20*y*z + 9*z^2)*G[0, 1 - y, 0, 0, z])/y^2 + (6*(-1 + y + 2*z)*G[0, 1 - y, 0, 1 - y, z])/y - ((3*y^3 + 3*y^4 - 41*y^5 + 75*y^6 - 54*y^7 + 14*y^8 - 6*y^2*z + 44*y^3*z - 165*y^4*z + 272*y^5*z - 195*y^6*z + 50*y^7*z - y*z^2 + 24*y^2*z^2 - 154*y^3*z^2 + 332*y^4*z^2 - 273*y^5*z^2 + 72*y^6*z^2 - 4*y*z^3 - 23*y^2*z^3 + 144*y^3*z^3 - 175*y^4*z^3 + 50*y^5*z^3 - 3*z^4 + 21*y*z^4 - 10*y^2*z^4 - 35*y^3*z^4 + 11*y^4*z^4 + 6*z^5 - 22*y*z^5 + 14*y^2*z^5 - 6*y^3*z^5 - 3*z^6 + 6*y*z^6 - 3*y^2*z^6)* G[0, 1 - y, 1, 0, z])/((-1 + y)^2*y^2*(-1 + y + z)^2*(y + z)^2) + (6*(-1 + y + 2*z)*G[0, 1 - y, 1 - y, 0, z])/y + ((-4*y + 4*y^2 + 9*z + 2*y*z - 9*z^2)*G[0, 1 - y, 1 - y, 1 - y, z])/ y^2 - ((5*y^2 - 24*y^3 + 42*y^4 - 32*y^5 + 9*y^6 + 7*y*z - 43*y^2*z + 128*y^3*z - 185*y^4*z + 123*y^5*z - 30*y^6*z - 34*y*z^2 + 109*y^2*z^2 - 200*y^3*z^2 + 210*y^4*z^2 - 98*y^5*z^2 + 13*y^6*z^2 - 3*z^3 + 68*y*z^3 - 130*y^2*z^3 + 135*y^3*z^3 - 85*y^4*z^3 + 23*y^5*z^3 + 9*z^4 - 68*y*z^4 + 83*y^2*z^4 - 50*y^3*z^4 + 10*y^4*z^4 - 9*z^5 + 33*y*z^5 - 27*y^2*z^5 + 11*y^3*z^5 + 3*z^6 - 6*y*z^6 + 3*y^2*z^6)*G[0, 1 - y, -y, 1 - y, z])/ ((-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)) - ((-2*y - 9*z + 8*y*z + 9*z^2)*G[0, -y, 0, 1 - y, z])/y^2 - ((-2*y - 9*z + 8*y*z + 9*z^2)*G[0, -y, 1 - y, 0, z])/y^2 + ((-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 4*y^2*z - 8*y^3*z - 2*y^4*z + 12*y^5*z - 6*y^6*z + 5*y*z^2 - 33*y^2*z^2 + 68*y^3*z^2 - 58*y^4*z^2 + 15*y^5*z^2 + 3*y^6*z^2 - 6*z^3 + 2*y*z^3 + 56*y^2*z^3 - 76*y^3*z^3 + 42*y^4*z^3 - 10*y^5*z^3 + 18*z^4 - 31*y*z^4 - 27*y^2*z^4 + 31*y^3*z^4 - 7*y^4*z^4 - 18*z^5 + 36*y*z^5 - 6*y^2*z^5 - 4*y^3*z^5 + 6*z^6 - 12*y*z^6 + 6*y^2*z^6)* G[0, -y, 1 - y, 1 - y, z])/((-1 + y)^2*y^2*(-1 + z)^2*z^2) + ((-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 10*y^3*z - 23*y^4*z + 20*y^5*z - 6*y^6*z - 3*y*z^2 + 5*y^2*z^2 - 4*y^3*z^2 + 6*y^4*z^2 - 7*y^5*z^2 + 3*y^6*z^2 - 15*z^3 + 53*y*z^3 - 52*y^2*z^3 + 19*y^3*z^3 - y^4*z^3 + 45*z^4 - 127*y*z^4 + 106*y^2*z^4 - 33*y^3*z^4 + y^4*z^4 - 45*z^5 + 107*y*z^5 - 73*y^2*z^5 + 15*y^3*z^5 + 15*z^6 - 30*y*z^6 + 15*y^2*z^6)*G[0, -y, -y, 1 - y, z])/((-1 + y)^2*y^2*(-1 + z)^2*z^2) + ((-4*y + 4*y^2 + 7*z + 6*y*z - 7*z^2)*G[1, 0, 0, 0, y])/ (-1 + y + z)^2 - ((-1 + 2*y + z)*(7*y - 7*y^2 + 9*z - 27*y*z + 20*y^2*z - 18*z^2 + 20*y*z^2 + 9*z^3)*G[1, 0, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((-7*y + 26*y^2 - 44*y^3 + 52*y^4 - 47*y^5 + 26*y^6 - 6*y^7 - 3*z + 54*y*z - 153*y^2*z + 197*y^3*z - 154*y^4*z + 79*y^5*z - 22*y^6*z + 2*y^7*z + 18*z^2 - 163*y*z^2 + 358*y^2*z^2 - 352*y^3*z^2 + 186*y^4*z^2 - 51*y^5*z^2 + 4*y^6*z^2 - 42*z^3 + 247*y*z^3 - 420*y^2*z^3 + 312*y^3*z^3 - 108*y^4*z^3 + 15*y^5*z^3 + 48*z^4 - 198*y*z^4 + 254*y^2*z^4 - 136*y^3*z^4 + 24*y^4*z^4 - 27*z^5 + 79*y*z^5 - 71*y^2*z^5 + 23*y^3*z^5 + 6*z^6 - 12*y*z^6 + 6*y^2*z^6)*G[1, 0, 0, 1, y])/((-1 + y)^2*y^2*(-1 + z)^2* (-1 + y + z)^2) - ((y - 5*y^2 + 4*y^3 + 3*z - 10*y*z + 16*y^2*z - 9*z^2 + 17*y*z^2 - 11*y^2*z^2 + 9*z^3 - 8*y*z^3 - 3*z^4)* G[1, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((9*y^2 - 16*y^3 - 14*y^4 + 33*y^5 - 12*y^6 + 6*y*z - 55*y^2*z + 40*y^3*z + 79*y^4*z - 70*y^5*z + 4*y^6*z + 5*z^2 - 50*y*z^2 + 161*y^2*z^2 - 55*y^3*z^2 - 88*y^4*z^2 + 21*y^5*z^2 - 27*z^3 + 158*y*z^3 - 268*y^2*z^3 + 74*y^3*z^3 + 15*y^4*z^3 + 59*z^4 - 232*y*z^4 + 228*y^2*z^4 - 43*y^3*z^4 - 65*z^5 + 160*y*z^5 - 75*y^2*z^5 + 36*z^6 - 42*y*z^6 - 8*z^7)*G[1, 0, 1, 0, y])/ (y*(-1 + z)^2*(-1 + y + z)^2*(y + z)^2) - ((-1 + 2*y + z)*(-y + y^2 - 3*z + 8*y*z - 7*y^2*z + 6*z^2 - 9*y*z^2 + 2*y^2*z^2 - 3*z^3 + 2*y*z^3)*G[1, 0, 1, 0, z])/ (y^2*z*(-1 + y + z)^2) - ((-5*y + 7*y^2 + 5*y^3 - 27*y^4 + 32*y^5 - 12*y^6 - 3*z + 22*y*z - 19*y^2*z - 24*y^3*z + 60*y^4*z - 32*y^5*z + 4*y^6*z + 15*z^2 - 47*y*z^2 + 42*y^2*z^2 + 5*y^3*z^2 - 31*y^4*z^2 + 8*y^5*z^2 - 27*z^3 + 60*y*z^3 - 57*y^2*z^3 + 10*y^3*z^3 + 6*y^4*z^3 + 21*z^4 - 42*y*z^4 + 33*y^2*z^4 - 4*y^3*z^4 - 6*z^5 + 12*y*z^5 - 6*y^2*z^5)*G[1, 0, 1, 1, y])/((-1 + y)^2*y^2*(-1 + z)^2* (y + z)) - ((y - 5*y^2 + 4*y^3 + 3*z - 10*y*z + 16*y^2*z - 9*z^2 + 17*y*z^2 - 11*y^2*z^2 + 9*z^3 - 8*y*z^3 - 3*z^4)* G[1, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((-y - 3*z + y*z + 4*y*z^2 + 3*z^3)*G[1, 0, 1 - y, 1 - y, z])/ (y^2*z) + ((-3*y^2 + 9*y^3 - 6*y^4 - 2*y*z + 13*y^2*z - 21*y^3*z + 8*y^4*z - 3*z^2 + 11*y*z^2 - 26*y^2*z^2 + 45*y^3*z^2 - 22*y^4*z^2 + 9*z^3 - 11*y*z^3 + 12*y^2*z^3 - 39*y^3*z^3 + 4*y^4*z^3 - 6*z^4 - 13*y*z^4 + 17*y^2*z^4 + 6*y^3*z^4 - 6*z^5 + 25*y*z^5 - 13*y^2*z^5 + 9*z^6 - 10*y*z^6 - 3*z^7)*G[1, 0, -y, 1 - y, z])/ (y^2*(-1 + z)^2*z^2*(-1 + y + z)) + (2*(2*y - 6*y^2 + 7*y^3 - 6*y^4 - 2*z - 14*y*z + 31*y^2*z - 20*y^3*z + 2*y^4*z + 39*y*z^2 - 38*y^2*z^2 + 5*y^3*z^2 + 11*z^3 - 38*y*z^3 + 9*y^2*z^3 - 14*z^4 + 11*y*z^4 + 5*z^5)*G[1, 1, 0, 0, y])/ ((-1 + z)^2*(-1 + y + z)*(y + z)^2) - ((-1 + 2*y + z)*(6*y - 6*y^2 - 3*z - 8*y*z + 2*y^2*z + 6*z^2 + 2*y*z^2 - 3*z^3)*G[1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((5*y - 28*y^2 + 75*y^3 - 126*y^4 + 145*y^5 - 114*y^6 + 55*y^7 - 12*y^8 + 3*z - 40*y*z + 162*y^2*z - 371*y^3*z + 522*y^4*z - 451*y^5*z + 233*y^6*z - 62*y^7*z + 4*y^8*z - 12*z^2 + 95*y*z^2 - 320*y^2*z^2 + 646*y^3*z^2 - 734*y^4*z^2 + 442*y^5*z^2 - 132*y^6*z^2 + 15*y^7*z^2 + 12*z^3 - 63*y*z^3 + 232*y^2*z^3 - 472*y^3*z^3 + 421*y^4*z^3 - 159*y^5*z^3 + 21*y^6*z^3 + 12*z^4 - 68*y*z^4 + 28*y^2*z^4 + 99*y^3*z^4 - 78*y^4*z^4 + 15*y^5*z^4 - 33*z^5 + 127*y*z^5 - 120*y^2*z^5 + 39*y^3*z^5 - 5*y^4*z^5 + 24*z^6 - 68*y*z^6 + 52*y^2*z^6 - 16*y^3*z^6 - 6*z^7 + 12*y*z^7 - 6*y^2*z^7)*G[1, 1, 0, 1, y])/((-1 + y)^2*y^2*(-1 + z)^2* (-1 + y + z)^2*(y + z)) - ((-2*y + y^2 + y^3 - 6*z + 23*y*z - 17*y^2*z + 9*y^3*z + 18*z^2 - 40*y*z^2 + 16*y^2*z^2 - 18*z^3 + 19*y*z^3 + 6*z^4)*G[1, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((4 - 6*y - 25*y^2 + 45*y^3 - 18*y^4 - 24*z + 39*y*z + 37*y^2*z - 60*y^3*z + 6*y^4*z + 56*z^2 - 81*y*z^2 + y^2*z^2 + 15*y^3*z^2 - 64*z^3 + 69*y*z^3 - 13*y^2*z^3 + 36*z^4 - 21*y*z^4 - 8*z^5)* G[1, 1, 1, 0, y])/(y*(-1 + z)^2*(-1 + y + z)^2) + ((-1 + 2*y + z)*(-y + y^2 - 3*z + 2*y*z - y^2*z + 21*z^2 - 11*y*z^2 + 10*y^2*z^2 - 33*z^3 + 10*y*z^3 + 15*z^4)*G[1, 1, 1, 0, z])/ (y^2*z*(-1 + y + z)^2) - ((-2*y + y^2 + y^3 - 6*z + 23*y*z - 17*y^2*z + 9*y^3*z + 18*z^2 - 40*y*z^2 + 16*y^2*z^2 - 18*z^3 + 19*y*z^3 + 6*z^4)*G[1, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((y - 5*y^2 + 4*y^3 + 3*z - 10*y*z + 16*y^2*z - 9*z^2 + 17*y*z^2 - 11*y^2*z^2 + 9*z^3 - 8*y*z^3 - 3*z^4)*G[1, 1 - y, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((-y - 3*z + y*z + 4*y*z^2 + 3*z^3)* G[1, 1 - y, 0, 1 - y, z])/(y^2*z) - ((-y + y^2 - 3*z + 12*y*z - 12*y^2*z + y^3*z + 3*y*z^2 - 10*y^2*z^2 + 9*y^3*z^2 + 18*z^3 - 38*y*z^3 + 21*y^2*z^3 - 24*z^4 + 24*y*z^4 + 9*z^5)*G[1, 1 - y, 1, 0, z])/(y^2*z*(-1 + y + z)^2) + ((-y - 3*z + y*z + 4*y*z^2 + 3*z^3)*G[1, 1 - y, 1 - y, 0, z])/ (y^2*z) + ((-3*y^2 + 9*y^3 - 6*y^4 - 2*y*z + 13*y^2*z - 21*y^3*z + 8*y^4*z - 3*z^2 + 11*y*z^2 - 26*y^2*z^2 + 45*y^3*z^2 - 22*y^4*z^2 + 9*z^3 - 11*y*z^3 + 12*y^2*z^3 - 39*y^3*z^3 + 4*y^4*z^3 - 6*z^4 - 13*y*z^4 + 17*y^2*z^4 + 6*y^3*z^4 - 6*z^5 + 25*y*z^5 - 13*y^2*z^5 + 9*z^6 - 10*y*z^6 - 3*z^7)*G[1, 1 - y, -y, 1 - y, z])/ (y^2*(-1 + z)^2*z^2*(-1 + y + z)) + ((-7*y + 7*y^2 - 9*z + 20*y*z + 9*z^2)*G[1 - y, 0, 0, 0, z])/y^2 + (6*(-1 + y + 2*z)*G[1 - y, 0, 0, 1 - y, z])/y - ((y^3 + y^4 - 17*y^5 + 35*y^6 - 28*y^7 + 8*y^8 + 5*y^2*z - 14*y^3*z - 17*y^4*z + 96*y^5*z - 110*y^6*z + 40*y^7*z + 7*y*z^2 - 28*y^2*z^2 + 9*y^3*z^2 + 87*y^4*z^2 - 136*y^5*z^2 + 61*y^6*z^2 + 3*z^3 - 30*y*z^3 + 54*y^2*z^3 - 17*y^3*z^3 - 35*y^4*z^3 + 33*y^5*z^3 - 9*z^4 + 38*y*z^4 - 53*y^2*z^4 + 40*y^3*z^4 + 9*z^5 - 21*y*z^5 + 27*y^2*z^5 - 7*y^3*z^5 - 3*z^6 + 6*y*z^6 - 3*y^2*z^6)* G[1 - y, 0, 1, 0, z])/((-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)^2) + (6*(-1 + y + 2*z)*G[1 - y, 0, 1 - y, 0, z])/y + ((-4*y + 4*y^2 + 9*z + 2*y*z - 9*z^2)*G[1 - y, 0, 1 - y, 1 - y, z])/ y^2 + ((-3*y^2 + 6*y^3 - 6*y^5 + 3*y^6 - 2*y*z + 17*y^2*z - 30*y^3*z + 11*y^4*z + 10*y^5*z - 6*y^6*z - 3*z^2 + 19*y*z^2 - 58*y^2*z^2 + 83*y^3*z^2 - 54*y^4*z^2 + 10*y^5*z^2 + 3*y^6*z^2 + 12*z^3 - 52*y*z^3 + 107*y^2*z^3 - 84*y^3*z^3 + 31*y^4*z^3 - 6*y^5*z^3 - 18*z^4 + 61*y*z^4 - 100*y^2*z^4 + 45*y^3*z^4 - 4*y^4*z^4 + 12*z^5 - 32*y*z^5 + 40*y^2*z^5 - 12*y^3*z^5 - 3*z^6 + 6*y*z^6 - 3*y^2*z^6)*G[1 - y, 0, -y, 1 - y, z])/ ((-1 + y)^2*y^2*(-1 + z)^2*z^2) - ((3*y^3 + 3*y^4 - 43*y^5 + 81*y^6 - 60*y^7 + 16*y^8 - 12*y^2*z + 80*y^3*z - 246*y^4*z + 364*y^5*z - 250*y^6*z + 64*y^7*z - 13*y*z^2 + 117*y^2*z^2 - 404*y^3*z^2 + 650*y^4*z^2 - 471*y^5*z^2 + 121*y^6*z^2 - 6*z^3 + 74*y*z^3 - 312*y^2*z^3 + 604*y^3*z^3 - 510*y^4*z^3 + 142*y^5*z^3 + 18*z^4 - 121*y*z^4 + 303*y^2*z^4 - 319*y^3*z^4 + 103*y^4*z^4 - 18*z^5 + 72*y*z^5 - 102*y^2*z^5 + 40*y^3*z^5 + 6*z^6 - 12*y*z^6 + 6*y^2*z^6)*G[1 - y, 1, 0, 0, z])/ ((-1 + y)^2*y^2*(-1 + y + z)^2*(y + z)^2) + ((-3*y + y^2 - 9*z + 10*y*z + 9*z^2)*G[1 - y, 1, 0, 1 - y, z])/y^2 - ((y^3 - 10*y^5 + 20*y^6 - 15*y^7 + 4*y^8 - 19*y^2*z + 93*y^3*z - 199*y^4*z + 220*y^5*z - 120*y^6*z + 25*y^7*z - 31*y*z^2 + 205*y^2*z^2 - 523*y^3*z^2 + 649*y^4*z^2 - 384*y^5*z^2 + 84*y^6*z^2 - 15*z^3 + 165*y*z^3 - 560*y^2*z^3 + 857*y^3*z^3 - 605*y^4*z^3 + 154*y^5*z^3 + 45*z^4 - 267*y*z^4 + 556*y^2*z^4 - 493*y^3*z^4 + 151*y^4*z^4 - 45*z^5 + 163*y*z^5 - 197*y^2*z^5 + 75*y^3*z^5 + 15*z^6 - 30*y*z^6 + 15*y^2*z^6)*G[1 - y, 1, 1, 0, z])/ ((-1 + y)^2*y^2*(-1 + y + z)^2*(y + z)^2) + ((-3*y + y^2 - 9*z + 10*y*z + 9*z^2)*G[1 - y, 1, 1 - y, 0, z])/y^2 + (6*(-1 + y + 2*z)*G[1 - y, 1 - y, 0, 0, z])/y + ((-4*y + 4*y^2 + 9*z + 2*y*z - 9*z^2)*G[1 - y, 1 - y, 0, 1 - y, z])/ y^2 + ((y^3 + y^4 - 17*y^5 + 35*y^6 - 28*y^7 + 8*y^8 + 5*y^2*z - 18*y^3*z + 7*y^4*z + 48*y^5*z - 70*y^6*z + 28*y^7*z + 7*y*z^2 - 27*y^2*z^2 + 38*y^3*z^2 - 13*y^4*z^2 - 27*y^5*z^2 + 22*y^6*z^2 + 3*z^3 - 6*y*z^3 - 12*y^2*z^3 + 10*y^3*z^3 + 13*y^4*z^3 + 6*z^4 - 55*y*z^4 + 106*y^2*z^4 - 59*y^3*z^4 + 18*y^4*z^4 - 21*z^5 + 78*y*z^5 - 81*y^2*z^5 + 32*y^3*z^5 + 12*z^6 - 24*y*z^6 + 12*y^2*z^6)*G[1 - y, 1 - y, 1, 0, z])/((-1 + y)^2*y^2*z* (-1 + y + z)*(y + z)^2) + ((-4*y + 4*y^2 + 9*z + 2*y*z - 9*z^2)* G[1 - y, 1 - y, 1 - y, 0, z])/y^2 - ((y - z)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - y*z - 4*y^2*z + 33*y^3*z - 62*y^4*z + 46*y^5*z - 12*y^6*z - 4*y*z^2 + 28*y^2*z^2 - 86*y^3*z^2 + 106*y^4*z^2 - 50*y^5*z^2 + 6*y^6*z^2 - 6*z^3 + 33*y*z^3 - 86*y^2*z^3 + 131*y^3*z^3 - 78*y^4*z^3 + 14*y^5*z^3 + 18*z^4 - 62*y*z^4 + 106*y^2*z^4 - 78*y^3*z^4 + 16*y^4*z^4 - 18*z^5 + 46*y*z^5 - 50*y^2*z^5 + 14*y^3*z^5 + 6*z^6 - 12*y*z^6 + 6*y^2*z^6)*G[1 - y, 1 - y, -y, 1 - y, z])/((-1 + y)^2*y^2* (-1 + z)^2*z^2*(y + z)) - (2*(-y - 3*z + 3*y*z + 3*z^2)* G[1 - y, -y, 0, 1 - y, z])/y^2 - (2*(-y - 3*z + 3*y*z + 3*z^2)* G[1 - y, -y, 1 - y, 0, z])/y^2 - ((y - z)*(3*y^2 - 15*y^3 + 27*y^4 - 21*y^5 + 6*y^6 + 7*y*z - 35*y^2*z + 73*y^3*z - 81*y^4*z + 48*y^5*z - 12*y^6*z + 3*z^2 - 35*y*z^2 + 94*y^2*z^2 - 132*y^3*z^2 + 109*y^4*z^2 - 45*y^5*z^2 + 6*y^6*z^2 - 15*z^3 + 73*y*z^3 - 132*y^2*z^3 + 135*y^3*z^3 - 63*y^4*z^3 + 10*y^5*z^3 + 27*z^4 - 81*y*z^4 + 109*y^2*z^4 - 63*y^3*z^4 + 8*y^4*z^4 - 21*z^5 + 48*y*z^5 - 45*y^2*z^5 + 10*y^3*z^5 + 6*z^6 - 12*y*z^6 + 6*y^2*z^6)*G[1 - y, -y, 1 - y, 1 - y, z])/((-1 + y)^2*y^2*(-1 + z)^2*z^2*(y + z)) - ((y - z)*(-9*y^2 + 27*y^3 - 27*y^4 + 9*y^5 - 11*y*z + 56*y^2*z - 97*y^3*z + 70*y^4*z - 18*y^5*z - 9*z^2 + 56*y*z^2 - 134*y^2*z^2 + 143*y^3*z^2 - 65*y^4*z^2 + 9*y^5*z^2 + 27*z^3 - 97*y*z^3 + 143*y^2*z^3 - 87*y^3*z^3 + 18*y^4*z^3 - 27*z^4 + 70*y*z^4 - 65*y^2*z^4 + 18*y^3*z^4 + 9*z^5 - 18*y*z^5 + 9*y^2*z^5)* G[1 - y, -y, -y, 1 - y, z])/((-1 + y)^2*y^2*(-1 + z)^2*z^2) + ((-2*y + y^3 - 6*z + 9*y*z - y^2*z + 9*z^2 - 5*y*z^2 - 3*z^3)* G[-y, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)) + ((-3*y^4 + 15*y^5 - 20*y^6 + 8*y^7 + 3*y^3*z + 25*y^4*z - 64*y^5*z + 38*y^6*z - 15*y^2*z^2 + 36*y^3*z^2 - 83*y^4*z^2 + 67*y^5*z^2 - 11*y*z^3 + 48*y^2*z^3 - 67*y^3*z^3 + 55*y^4*z^3 - 6*z^4 + 37*y*z^4 - 53*y^2*z^4 + 26*y^3*z^4 + 15*z^5 - 37*y*z^5 + 16*y^2*z^5 - 12*z^6 + 11*y*z^6 + 3*z^7)*G[-y, 0, 1, 0, z])/ (y^2*z*(-1 + y + z)^2*(y + z)^2) + ((-2*y + y^3 - 6*z + 9*y*z - y^2*z + 9*z^2 - 5*y*z^2 - 3*z^3)* G[-y, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)) - ((-6*y^3 + 6*y^4 - y^2*z + 10*y^3*z - 2*y*z^2 + 5*y^2*z^2 - 3*z^3 + 4*y*z^3 + 3*z^4)*G[-y, 0, 1 - y, 1 - y, z])/(y^2*z^2) - ((-3*y^4 + 3*y^5 - y^2*z - 3*y^3*z + 6*y^4*z - 3*y*z^2 + 5*y^2*z^2 - 12*z^3 + 26*y*z^3 - 15*y^2*z^3 + 21*z^4 - 21*y*z^4 - 9*z^5)* G[-y, 0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)) + ((-2*y + y^3 - 6*z + 9*y*z - y^2*z + 9*z^2 - 5*y*z^2 - 3*z^3)* G[-y, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)) - ((-6*y^3 + 6*y^4 - y^2*z + 10*y^3*z - 2*y*z^2 + 5*y^2*z^2 - 3*z^3 + 4*y*z^3 + 3*z^4)*G[-y, 1 - y, 0, 1 - y, z])/(y^2*z^2) + ((-3*y^4 + 15*y^5 - 20*y^6 + 8*y^7 + 3*y^3*z + 25*y^4*z - 64*y^5*z + 38*y^6*z - 15*y^2*z^2 + 36*y^3*z^2 - 83*y^4*z^2 + 67*y^5*z^2 - 11*y*z^3 + 48*y^2*z^3 - 67*y^3*z^3 + 55*y^4*z^3 - 6*z^4 + 37*y*z^4 - 53*y^2*z^4 + 26*y^3*z^4 + 15*z^5 - 37*y*z^5 + 16*y^2*z^5 - 12*z^6 + 11*y*z^6 + 3*z^7)*G[-y, 1 - y, 1, 0, z])/ (y^2*z*(-1 + y + z)^2*(y + z)^2) - ((-6*y^3 + 6*y^4 - y^2*z + 10*y^3*z - 2*y*z^2 + 5*y^2*z^2 - 3*z^3 + 4*y*z^3 + 3*z^4)*G[-y, 1 - y, 1 - y, 0, z])/(y^2*z^2) - ((y - z)*(-9*y^2 + 9*y^3 - 5*y*z + 7*y^2*z - 9*z^2 + 7*y*z^2 + 9*z^3)* G[-y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + ((y - z)*(3*y^2 - 3*y^3 + 2*y*z - 6*y^2*z + 2*y^3*z + 3*z^2 - 6*y*z^2 + 4*y^2*z^2 - 3*z^3 + 2*y*z^3)*G[-y, 1 - y, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)) - ((-6*y^3 + 6*y^4 - y^2*z + 10*y^3*z + y*z^2 + 5*y^2*z^2 + 6*z^3 - 5*y*z^3 - 6*z^4)*G[-y, -y, 0, 1 - y, z])/(y^2*z^2) - ((-6*y^3 + 6*y^4 - y^2*z + 10*y^3*z + y*z^2 + 5*y^2*z^2 + 6*z^3 - 5*y*z^3 - 6*z^4)*G[-y, -y, 1 - y, 0, z])/ (y^2*z^2) + ((y - z)*(-3*y^2 + 3*y^3 - 2*y*z + 11*y^2*z - 3*z^2 + 11*y*z^2 + 3*z^3)*G[-y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + ((y - z)*(12*y^2 - 27*y^3 + 15*y^4 + 14*y*z - 62*y^2*z + 50*y^3*z + 12*z^2 - 62*y*z^2 + 70*y^2*z^2 - 27*z^3 + 50*y*z^3 + 15*z^4)* G[-y, -y, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)) + (((2*I)*Pi*(y - z)*(25 - 68*y + 61*y^2 - 18*y^3 - 68*z + 124*y*z - 62*y^2*z + 6*y^3*z + 61*z^2 - 62*y*z^2 + 13*y^2*z^2 - 18*z^3 + 6*y*z^3))/((-1 + y)^2*(-1 + z)^2*(-1 + y + z)) + ((y - z)*(-18*y + 54*y^2 - 54*y^3 + 18*y^4 - 18*z + 104*y*z - 137*y^2*z - 2*y^3*z + 89*y^4*z - 36*y^5*z + 54*z^2 - 137*y*z^2 - 48*y^2*z^2 + 286*y^3*z^2 - 173*y^4*z^2 + 18*y^5*z^2 - 54*z^3 - 2*y*z^3 + 286*y^2*z^3 - 278*y^3*z^3 + 66*y^4*z^3 + 18*z^4 + 89*y*z^4 - 173*y^2*z^4 + 66*y^3*z^4 - 36*y*z^5 + 18*y^2*z^5))/ ((-1 + y)^2*y*(-1 + z)^2*z*(-1 + y + z)*(y + z)))*Zeta[3] + G[0, y]*(((-1/3*I)*Pi^3*(2 - 9*y + 13*y^2 - 6*y^3 - 9*z + 19*y*z - 16*y^2*z + 2*y^3*z + 15*z^2 - 11*y*z^2 + 3*y^2*z^2 - 11*z^3 + y*z^3 + 3*z^4))/((-1 + z)^2*(-1 + y + z)^2) - (Pi^2*(-3*y^3 + 6*y^4 - 3*y^5 + y^2*z - 6*y^3*z + 11*y^4*z - 6*y^5*z + 2*y*z^2 - 13*y^2*z^2 + 27*y^3*z^2 - 37*y^4*z^2 + 3*y^5*z^2 - 6*z^3 + 15*y*z^3 - 12*y^2*z^3 - 9*y^3*z^3 + 14*y^4*z^3 + 24*z^4 - 57*y*z^4 + 59*y^2*z^4 - 9*y^3*z^4 - 36*z^5 + 61*y*z^5 - 35*y^2*z^5 + 24*z^6 - 21*y*z^6 - 6*z^7))/ (6*y*(-1 + z)^2*z*(-1 + y + z)^2*(y + z)) + ((4*Pi^2*(y - z))/(3*(-1 + y + z)) + ((4*I)*Pi*(y - z))/ ((-1 + y + z)*(y + z)) + (11*(y - z)*(1 + y + z))/ ((-1 + y + z)*(y + z)))*G[0, z] - (Pi^2*(3*y^2 - 12*y^3 + 15*y^4 - 6*y^5 + y*z - 17*y^2*z + 43*y^3*z - 35*y^4*z + 8*y^5*z - 3*y*z^2 + 39*y^2*z^2 - 93*y^3*z^2 + 75*y^4*z^2 - 22*y^5*z^2 + 6*z^3 - 20*y*z^3 - 16*y^2*z^3 + 89*y^3*z^3 - 65*y^4*z^3 + 4*y^5*z^3 - 30*z^4 + 90*y*z^4 - 61*y^2*z^4 - 11*y^3*z^4 + 10*y^4*z^4 + 60*z^5 - 135*y*z^5 + 81*y^2*z^5 - 16*y^3*z^5 - 60*z^6 + 89*y*z^6 - 29*y^2*z^6 + 30*z^7 - 22*y*z^7 - 6*z^8)*G[1, z])/(6*y^2*(-1 + z)^2*z^2* (-1 + y + z)^2) + (((-4*I)*Pi*(-1 + 2*y + z))/((-1 + z)*z) + (11*(-2 + z)*(-1 + 2*y + z))/((-1 + z)*z) + (Pi^2*(3*y^4 - 12*y^5 + 18*y^6 - 12*y^7 + 3*y^8 + 7*y^3*z - 59*y^4*z + 153*y^5*z - 163*y^6*z + 68*y^7*z - 6*y^8*z + 5*y^2*z^2 - 83*y^3*z^2 + 369*y^4*z^2 - 642*y^5*z^2 + 460*y^6*z^2 - 112*y^7*z^2 + 3*y^8*z^2 + y*z^3 - 37*y^2*z^3 + 333*y^3*z^3 - 996*y^4*z^3 + 1176*y^5*z^3 - 507*y^6*z^3 + 48*y^7*z^3 + 9*y*z^4 + 57*y^2*z^4 - 578*y^3*z^4 + 1287*y^4*z^4 - 950*y^5*z^4 + 176*y^6*z^4 + 6*z^5 - 80*y*z^5 + 73*y^2*z^5 + 435*y^3*z^5 - 765*y^4*z^5 + 267*y^5*z^5 - 30*z^6 + 210*y*z^6 - 266*y^2*z^6 - 95*y^3*z^6 + 161*y^4*z^6 + 60*z^7 - 255*y*z^7 + 240*y^2*z^7 - 19*y^3*z^7 - 60*z^8 + 149*y*z^8 - 72*y^2*z^8 + 30*z^9 - 34*y*z^9 - 6*z^10))/(6*y^2*(-1 + z)^2*z^2* (-1 + y + z)^2*(y + z)^2))*G[1 - y, z] + (((2*I)*Pi*(-3*y + 3*y^2 + 2*z - 2*y*z - 2*z^2))/(-1 + y + z)^2 + (6*y^2 - 10*y^3 + 4*y^4 - 8*y*z + 3*y^2*z - 16*y^3*z - 6*z^2 + 25*y*z^2 - 31*y^2*z^2 + 12*z^3 - 17*y*z^3 - 6*z^4)/ (y*(-1 + y + z)^2*(y + z)))*G[0, 0, z] + (((-2*I)*Pi*(-2 + z)*(-1 + 2*y + z)*(-1 + 3*z))/((-1 + z)^2*z) - ((-1 + 2*y + z)*(y - y^2 + 6*z + 5*y*z - 6*y^2*z - 24*z^2 - 10*y*z^2 + 4*y^2*z^2 + 30*z^3 + 4*y*z^3 - 12*z^4))/ (y*(-1 + z)^2*z*(-1 + y + z)))*G[0, 1 - y, z] + (((-2*I)*Pi*(1 - y - z + 3*y*z))/(-1 + y + z)^2 - (z*(6 - 13*y + 26*y^2 - 12*z + 13*y*z + 6*z^2))/ (y*(-1 + y + z)^2))*G[1, 0, z] + (((-2*I)*Pi*(y - z)*(1 + y + z)*(-2 + 3*y + 3*z))/ ((-1 + y + z)*(y + z)^2) - ((y - z)*(6*y^2 - 18*y^3 + 12*y^4 + 9*y*z - 56*y^2*z + 52*y^3*z + 6*z^2 - 56*y*z^2 + 80*y^2*z^2 - 18*z^3 + 52*y*z^3 + 12*z^4))/(y*z*(-1 + y + z)*(y + z)^2))* G[1 - y, 0, z] + (((-2*I)*Pi*(-3*y + 3*y^2 + 2*z - 2*y*z - 2*z^2))/ z^2 - (19*y^2 - 19*y^3 + 3*y*z - 43*y^2*z + 19*y^3*z + 6*z^2 - 10*y*z^2 + 16*y^2*z^2 - 12*z^3 + 7*y*z^3 + 6*z^4)/ (y*(-1 + z)*z^2))*G[1 - y, 1 - y, z] + (((-2*I)*Pi*(-3*y + 3*y^2 - z + 3*y*z))/z^2 - ((-1 + y + z)*(19*y^2 - y*z + 6*z^2))/(y*z^2))*G[-y, 1 - y, z] - ((-7*y + 7*y^2 + 4*z - 6*y*z - 4*z^2)*G[0, 0, 0, z])/ (-1 + y + z)^2 - ((-1 + 2*y + z)*(4*y^2 - 8*y^3 + 4*y^4 - y*z - 18*y^2*z + 30*y^3*z - 11*y^4*z - 6*z^2 + 13*y*z^2 + 19*y^2*z^2 - 32*y^3*z^2 + 5*y^4*z^2 + 24*z^3 - 33*y*z^3 + 10*y^3*z^3 - 36*z^4 + 31*y*z^4 - 5*y^2*z^4 + 24*z^5 - 10*y*z^5 - 6*z^6)* G[0, 0, 1 - y, z])/(y^2*(-1 + z)^2*z*(-1 + y + z)^2) + (2*(1 - y - z + 3*y*z)*G[0, 1, 0, z])/(-1 + y + z)^2 + ((6*y^3 - 10*y^4 - 3*y^5 + 7*y^6 - 6*y^2*z + y^3*z - 10*y^4*z + 20*y^5*z - 10*y*z^2 + 38*y^2*z^2 - 36*y^3*z^2 + 23*y^4*z^2 - 6*z^3 + 45*y*z^3 - 72*y^2*z^3 + 28*y^3*z^3 + 18*z^4 - 61*y*z^4 + 38*y^2*z^4 - 18*z^5 + 26*y*z^5 + 6*z^6)*G[0, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2*(y + z)^2) - ((-3*y^3 + 3*y^4 + 4*y^2*z - 6*y^4*z - y*z^2 - 13*y^2*z^2 + 21*y^3*z^2 + 3*y^4*z^2 - 6*z^3 + 12*y*z^3 + 10*y^2*z^3 - 10*y^3*z^3 + 18*z^4 - 21*y*z^4 - y^2*z^4 - 18*z^5 + 10*y*z^5 + 6*z^6)*G[0, 1 - y, 1 - y, z])/(y^2*(-1 + z)^2*z^2) - ((-3*y^3 + 3*y^4 - y^2*z + 3*y^3*z - y*z^2 + 5*y^2*z^2 - 6*z^3 + 10*y*z^3 + 6*z^4)*G[0, -y, 1 - y, z])/(y^2*z^2) - ((3*y - 7*y^2 + 4*y^3 - 6*z + 8*y*z - 4*y^2*z + 18*z^2 - 25*y*z^2 + 11*y^2*z^2 - 18*z^3 + 14*y*z^3 + 6*z^4)*G[1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - ((-1 + 2*y + z)*(-3*y^2 + 6*y^3 - 3*y^4 - y*z + 11*y^2*z - 14*y^3*z + 4*y^4*z + 2*y*z^2 - 23*y^2*z^2 + 30*y^3*z^2 - 11*y^4*z^2 - 6*z^3 + 10*y*z^3 + 17*y^2*z^3 - 26*y^3*z^3 + 2*y^4*z^3 + 24*z^4 - 32*y*z^4 + 6*y^2*z^4 + 4*y^3*z^4 - 36*z^5 + 31*y*z^5 - 8*y^2*z^5 + 24*z^6 - 10*y*z^6 - 6*z^7)*G[1, 0, 1 - y, z])/(y^2*(-1 + z)^2*z^2*(-1 + y + z)^2) - ((3*y - 4*y^2 + y^3 - 6*z + 8*y*z - 7*y^2*z + 9*y^3*z + 18*z^2 - 25*y*z^2 + 11*y^2*z^2 - 18*z^3 + 14*y*z^3 + 6*z^4)*G[1, 1, 0, z])/ (y^2*(-1 + y + z)^2) + ((-y^2 + y^3 + 3*y*z - 5*y^2*z - 6*z^2 + 8*y*z^2 - 4*y^2*z^2 + 5*y^3*z^2 + 18*z^3 - 25*y*z^3 + 10*y^2*z^3 - 18*z^4 + 14*y*z^4 + 6*z^5)*G[1, 1 - y, 0, z])/ (y^2*z*(-1 + y + z)^2) + ((7*y^3 - 11*y^4 - 4*y^5 + 8*y^6 - 4*y^2*z - 2*y^3*z - 10*y^4*z + 18*y^5*z - 9*y*z^2 + 35*y^2*z^2 - 33*y^3*z^2 + 17*y^4*z^2 - 6*z^3 + 44*y*z^3 - 70*y^2*z^3 + 26*y^3*z^3 + 18*z^4 - 61*y*z^4 + 39*y^2*z^4 - 18*z^5 + 26*y*z^5 + 6*z^6)*G[1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2*(y + z)^2) + ((3*y^2 - 6*y^3 + 3*y^4 + y*z - 14*y^2*z + 24*y^3*z - 6*y^4*z - y*z^2 + 25*y^2*z^2 - 42*y^3*z^2 + 3*y^4*z^2 + 6*z^3 - 11*y*z^3 - 16*y^2*z^3 + 16*y^3*z^3 - 18*z^4 + 21*y*z^4 + 2*y^2*z^4 + 18*z^5 - 10*y*z^5 - 6*z^6)*G[1 - y, 0, 1 - y, z])/ (y^2*(-1 + z)^2*z^2) + ((3*y - 6*y^2 + 2*y^3 + y^4 - 6*z + 8*y*z - 5*y^2*z + y^3*z + 18*z^2 - 25*y*z^2 + 11*y^2*z^2 - 18*z^3 + 14*y*z^3 + 6*z^4)*G[1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) + ((y - z)*(6*y^4 - 12*y^5 + 6*y^6 + 15*y^3*z - 41*y^4*z + 26*y^5*z + 20*y^2*z^2 - 64*y^3*z^2 + 45*y^4*z^2 + 15*y*z^3 - 64*y^2*z^3 + 50*y^3*z^3 + 6*z^4 - 41*y*z^4 + 45*y^2*z^4 - 12*z^5 + 26*y*z^5 + 6*z^6)*G[1 - y, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)*(y + z)^2) + ((-9*y + 9*y^2 + 4*z - 2*y*z - 4*z^2)*G[1 - y, 1 - y, 1 - y, z])/ z^2 + (2*(-3*y + 3*y^2 - z + 3*y*z)*G[1 - y, -y, 1 - y, z])/z^2 + ((-3*y^4 + 3*y^5 - y^2*z - 3*y^3*z + 6*y^4*z - y*z^2 + 5*y^2*z^2 - y^3*z^2 - 6*z^3 + 17*y*z^3 - 14*y^2*z^3 + 12*z^4 - 16*y*z^4 - 6*z^5)*G[-y, 0, 1 - y, z])/(y^2*z^2*(-1 + y + z)) + ((y - z)*(-6*y^4 + 18*y^5 - 18*y^6 + 6*y^7 - 16*y^3*z + 63*y^4*z - 79*y^5*z + 32*y^6*z - 28*y^2*z^2 + 111*y^3*z^2 - 159*y^4*z^2 + 74*y^5*z^2 - 16*y*z^3 + 111*y^2*z^3 - 196*y^3*z^3 + 104*y^4*z^3 - 6*z^4 + 63*y*z^4 - 159*y^2*z^4 + 104*y^3*z^4 + 18*z^5 - 79*y*z^5 + 74*y^2*z^5 - 18*z^6 + 32*y*z^6 + 6*z^7)* G[-y, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2*(y + z)^2) + ((-3*y^3 + 3*y^4 - 2*y^2*z + 4*y^3*z - y*z^2 + 5*y^2*z^2 - 6*z^3 + 10*y*z^3 + 6*z^4)*G[-y, 1 - y, 1 - y, z])/(y^2*z^2) - ((-6*y^3 + 6*y^4 - y^2*z + 5*y^3*z + y*z^2 - 5*y^2*z^2 + 6*z^3 - 10*y*z^3 - 6*z^4)*G[-y, -y, 1 - y, z])/(y^2*z^2) - ((-26 + 147*y - 243*y^2 + 164*y^3 - 42*y^4 + 81*z - 364*y*z + 451*y^2*z - 188*y^3*z + 14*y^4*z - 87*z^2 + 290*y*z^2 - 243*y^2*z^2 + 52*y^3*z^2 + 35*z^3 - 76*y*z^3 + 35*y^2*z^3 - 3*z^4 + 3*y*z^4)*Zeta[3])/((-1 + y)*(-1 + z)^2*(-1 + y + z)^2)) + G[0, z]*(((I/3)*Pi^3*(2 - 9*y + 15*y^2 - 11*y^3 + 3*y^4 - 9*z + 19*y*z - 11*y^2*z + y^3*z + 13*z^2 - 16*y*z^2 + 3*y^2*z^2 - 6*z^3 + 2*y*z^3))/((-1 + y)^2*(-1 + y + z)^2) - (Pi^2*(6*y^3 - 24*y^4 + 36*y^5 - 24*y^6 + 6*y^7 - 2*y^2*z - 15*y^3*z + 57*y^4*z - 61*y^5*z + 21*y^6*z - y*z^2 + 13*y^2*z^2 + 12*y^3*z^2 - 59*y^4*z^2 + 35*y^5*z^2 + 3*z^3 + 6*y*z^3 - 27*y^2*z^3 + 9*y^3*z^3 + 9*y^4*z^3 - 6*z^4 - 11*y*z^4 + 37*y^2*z^4 - 14*y^3*z^4 + 3*z^5 + 6*y*z^5 - 3*y^2*z^5))/ (6*(-1 + y)^2*y*z*(-1 + y + z)^2*(y + z)) + (((4*I)*Pi*(-1 + y + 2*z))/((-1 + y)*y) - (11*(-2 + y)*(-1 + y + 2*z))/((-1 + y)*y) - (Pi^2*(-20*y^3 + 88*y^4 - 151*y^5 + 125*y^6 - 49*y^7 + 7*y^8 - 34*y^2*z + 232*y^3*z - 543*y^4*z + 603*y^5*z - 335*y^6*z + 77*y^7*z - 18*y*z^2 + 229*y^2*z^2 - 759*y^3*z^2 + 1095*y^4*z^2 - 759*y^5*z^2 + 212*y^6*z^2 + 80*y*z^3 - 473*y^2*z^3 + 929*y^3*z^3 - 787*y^4*z^3 + 259*y^5*z^3 + 3*z^4 - 116*y*z^4 + 369*y^2*z^4 - 398*y^3*z^4 + 158*y^4*z^4 - 6*z^5 + 60*y*z^5 - 90*y^2*z^5 + 44*y^3*z^5 + 3*z^6 - 6*y*z^6 + 3*y^2*z^6))/(6*(-1 + y)^2*y^2*(-1 + y + z)^2*(y + z)^2))* G[1, y] + (((-2*I)*Pi*(2*y - 2*y^2 - 3*z - 2*y*z + 3*z^2))/ (-1 + y + z)^2 + (6*y^2 - 12*y^3 + 6*y^4 + 8*y*z - 25*y^2*z + 17*y^3*z - 6*z^2 - 3*y*z^2 + 31*y^2*z^2 + 10*z^3 + 16*y*z^3 - 4*z^4)/(z*(-1 + y + z)^2*(y + z)))*G[0, 0, y] + (((2*I)*Pi*(-3*y + 11*y^2 - 11*y^3 + 3*y^4 - 3*z + 13*y*z - 23*y^2*z + 9*y^3*z + 3*z^2 - 6*y*z^2 + 3*y^2*z^2))/ ((-1 + y)^2*y^2) - (-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 2*y*z + 3*y^3*z - 14*y^4*z + 9*y^5*z - 19*z^2 + 71*y*z^2 - 129*y^2*z^2 + 112*y^3*z^2 - 35*y^4*z^2 + 38*z^3 - 111*y*z^3 + 124*y^2*z^3 - 45*y^3*z^3 - 19*z^4 + 38*y*z^4 - 19*y^2*z^4)/((-1 + y)^2*y^2*z* (-1 + y + z)))*G[0, 1, y] + (((-2*I)*Pi*(2*y - 4*y^2 - y^3 + 3*y^4 - 2*z - 2*y*z + y^2*z + 3*y^3*z + 2*z^2 + 5*y*z^2 - 6*y^2*z^2 + 3*z^3 - 9*y*z^3 - 3*z^4))/((-1 + y + z)^2*(y + z)^2) - (-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - 3*y^2*z + 35*y^3*z - 59*y^4*z + 27*y^5*z + 3*y*z^2 - 6*y^2*z^2 - 28*y^3*z^2 + 10*y^4*z^2 + 6*z^3 - 47*y*z^3 + 79*y^2*z^3 - 65*y^3*z^3 - 24*z^4 + 96*y*z^4 - 94*y^2*z^4 + 30*z^5 - 52*y*z^5 - 12*z^6)/ (y*z*(-1 + y + z)^2*(y + z)^2))*G[1, 0, y] + (((-2*I)*Pi*(-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2))/y^2 + (6*y^2 - 12*y^3 + 6*y^4 + 3*y*z - 10*y^2*z + 7*y^3*z + 19*z^2 - 43*y*z^2 + 16*y^2*z^2 - 19*z^3 + 19*y*z^3)/((-1 + y)*y^2*z))* G[1, 1, y] - ((-4*y + 4*y^2 + 7*z + 6*y*z - 7*z^2)*G[0, 0, 0, y])/ (-1 + y + z)^2 + ((-7*y + 37*y^2 - 74*y^3 + 70*y^4 - 31*y^5 + 5*y^6 - 9*z + 62*y*z - 171*y^2*z + 215*y^3*z - 120*y^4*z + 23*y^5*z + 24*z^2 - 110*y*z^2 + 203*y^2*z^2 - 162*y^3*z^2 + 45*y^4*z^2 - 21*z^3 + 67*y*z^3 - 77*y^2*z^3 + 27*y^3*z^3 + 6*z^4 - 12*y*z^4 + 6*y^2*z^4)*G[0, 0, 1, y])/ ((-1 + y)^2*y^2*(-1 + y + z)^2) + ((-6*y^3 + 8*y^4 - 6*y^5 + 4*y^6 + 6*y^2*z - 5*y^3*z + 5*y^4*z - 4*y^5*z + 10*y*z^2 - 40*y^2*z^2 + 53*y^3*z^2 - 35*y^4*z^2 + 6*z^3 - 45*y*z^3 + 85*y^2*z^3 - 56*y^3*z^3 - 18*z^4 + 61*y*z^4 - 49*y^2*z^4 + 18*z^5 - 26*y*z^5 - 6*z^6)*G[0, 1, 0, y])/ (y^2*(-1 + y + z)^2*(y + z)^2) - (2*(-3 + 11*y - 11*y^2 + 3*y^3 + 5*z - 16*y*z + 7*y^2*z)* G[0, 1, 1, y])/((-1 + y)^2*y) + (2*(-2*y + 2*y^2 + 3*y^3 + 2*z + 2*y*z + 2*y^2*z - 5*y*z^2 - 4*z^3)* G[1, 0, 0, y])/((-1 + y + z)*(y + z)^2) - ((-8*y + 30*y^2 - 46*y^3 + 38*y^4 - 18*y^5 + 4*y^6 - 6*z + 63*y*z - 157*y^2*z + 177*y^3*z - 105*y^4*z + 28*y^5*z + 21*z^2 - 125*y*z^2 + 212*y^2*z^2 - 153*y^3*z^2 + 45*y^4*z^2 - 24*z^3 + 88*y*z^3 - 92*y^2*z^3 + 36*y^3*z^3 + 9*z^4 - 18*y*z^4 + 9*y^2*z^4)*G[1, 0, 1, y])/((-1 + y)^2*y^2*(-1 + y + z)^2) - ((4*y^3 - 10*y^4 + y^5 + 5*y^6 - 4*y^2*z - 5*y^3*z + 7*y^5*z - 10*y*z^2 + 32*y^2*z^2 - 28*y^3*z^2 + 5*y^4*z^2 - 6*z^3 + 45*y*z^3 - 70*y^2*z^3 + 23*y^3*z^3 + 18*z^4 - 61*y*z^4 + 40*y^2*z^4 - 18*z^5 + 26*y*z^5 + 6*z^6)*G[1, 1, 0, y])/ (y^2*(-1 + y + z)^2*(y + z)^2) + ((-4*y + 4*y^2 + 9*z + 2*y*z - 9*z^2)*G[1, 1, 1, y])/y^2 + ((-26 + 81*y - 87*y^2 + 35*y^3 - 3*y^4 + 147*z - 364*y*z + 290*y^2*z - 76*y^3*z + 3*y^4*z - 243*z^2 + 451*y*z^2 - 243*y^2*z^2 + 35*y^3*z^2 + 164*z^3 - 188*y*z^3 + 52*y^2*z^3 - 42*z^4 + 14*y*z^4)*Zeta[3])/((-1 + y)^2*(-1 + z)* (-1 + y + z)^2)) + G[1, z]*(((-1/3*I)*Pi^3*(-1 + 2*y + z)* (2*y - 2*y^2 + 3*z - 6*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3))/ (y^2*(-1 + y + z)^2) - (Pi^2*(-1 + 2*y + z)*(-5*y^2 + 10*y^3 - 5*y^4 - 20*y*z + 61*y^2*z - 72*y^3*z + 31*y^4*z - 19*z^2 + 85*y*z^2 - 132*y^2*z^2 + 62*y^3*z^2 + 38*z^3 - 84*y*z^3 + 50*y^2*z^3 - 19*z^4 + 19*y*z^4))/(6*(-1 + y)*y^2*(-1 + y + z)^2* (y + z)) - ((-3*y^2 + 9*y^3 - 6*y^4 - 2*y*z + 13*y^2*z - 21*y^3*z + 8*y^4*z - 3*z^2 + 11*y*z^2 - 26*y^2*z^2 + 45*y^3*z^2 - 22*y^4*z^2 + 9*z^3 - 11*y*z^3 + 12*y^2*z^3 - 39*y^3*z^3 + 4*y^4*z^3 - 6*z^4 - 13*y*z^4 + 17*y^2*z^4 + 6*y^3*z^4 - 6*z^5 + 25*y*z^5 - 13*y^2*z^5 + 9*z^6 - 10*y*z^6 - 3*z^7)*G[0, 0, 1, y])/ (y^2*(-1 + z)^2*z^2*(-1 + y + z)) + ((3*y - 12*y^2 + 15*y^3 - 6*y^4 + z - 17*y*z + 43*y^2*z - 35*y^3*z + 8*y^4*z + 35*y*z^2 - 92*y^2*z^2 + 75*y^3*z^2 - 22*y^4*z^2 - 18*z^3 - 15*y*z^3 + 96*y^2*z^3 - 65*y^3*z^3 + 4*y^4*z^3 + 52*z^4 - 40*y*z^4 - 28*y^2*z^4 + 10*y^3*z^4 - 63*z^5 + 52*y*z^5 - 7*y^2*z^5 + 36*z^6 - 18*y*z^6 - 8*z^7)*G[0, 1, 0, y])/ (y*(-1 + z)^2*z^2*(-1 + y + z)^2) + ((-3*y^2 + 9*y^3 - 6*y^4 - 2*y*z + 13*y^2*z - 21*y^3*z + 8*y^4*z - 3*z^2 + 11*y*z^2 - 26*y^2*z^2 + 45*y^3*z^2 - 22*y^4*z^2 + 9*z^3 - 11*y*z^3 + 12*y^2*z^3 - 39*y^3*z^3 + 4*y^4*z^3 - 6*z^4 - 13*y*z^4 + 17*y^2*z^4 + 6*y^3*z^4 - 6*z^5 + 25*y*z^5 - 13*y^2*z^5 + 9*z^6 - 10*y*z^6 - 3*z^7)*G[1, 0, 1, y])/ (y^2*(-1 + z)^2*z^2*(-1 + y + z)) - ((3*y - 12*y^2 + 15*y^3 - 6*y^4 + z - 17*y*z + 43*y^2*z - 35*y^3*z + 8*y^4*z + 35*y*z^2 - 92*y^2*z^2 + 75*y^3*z^2 - 22*y^4*z^2 - 18*z^3 - 15*y*z^3 + 96*y^2*z^3 - 65*y^3*z^3 + 4*y^4*z^3 + 52*z^4 - 40*y*z^4 - 28*y^2*z^4 + 10*y^3*z^4 - 63*z^5 + 52*y*z^5 - 7*y^2*z^5 + 36*z^6 - 18*y*z^6 - 8*z^7)*G[1, 1, 0, y])/ (y*(-1 + z)^2*z^2*(-1 + y + z)^2) + ((9*y^2 - 36*y^3 + 45*y^4 - 18*y^5 + 6*y*z - 56*y^2*z + 131*y^3*z - 105*y^4*z + 24*y^5*z + 9*z^2 - 49*y*z^2 + 165*y^2*z^2 - 294*y^3*z^2 + 225*y^4*z^2 - 66*y^5*z^2 - 27*z^3 + 70*y*z^3 - 161*y^2*z^3 + 302*y^3*z^3 - 195*y^4*z^3 + 12*y^5*z^3 + 90*y*z^4 - 82*y^2*z^4 - 66*y^3*z^4 + 30*y^4*z^4 + 90*z^5 - 290*y*z^5 + 213*y^2*z^5 - 37*y^3*z^5 - 135*z^6 + 239*y*z^6 - 88*y^2*z^6 + 81*z^7 - 66*y*z^7 - 18*z^8)*Zeta[3])/(y^2*(-1 + z)^2*z^2* (-1 + y + z)^2)) + G[1, y]* (((I/3)*Pi^3*(-4*y^3 + 17*y^4 - 33*y^5 + 43*y^6 - 41*y^7 + 24*y^8 - 6*y^9 - 5*y^2*z + 44*y^3*z - 124*y^4*z + 190*y^5*z - 185*y^6*z + 108*y^7*z - 30*y^8*z + 2*y^9*z - 8*y*z^2 + 66*y^2*z^2 - 219*y^3*z^2 + 375*y^4*z^2 - 388*y^5*z^2 + 241*y^6*z^2 - 73*y^7*z^2 + 6*y^8*z^2 - 3*z^3 + 54*y*z^3 - 248*y^2*z^3 + 500*y^3*z^3 - 550*y^4*z^3 + 364*y^5*z^3 - 127*y^6*z^3 + 14*y^7*z^3 + 15*z^4 - 142*y*z^4 + 430*y^2*z^4 - 583*y^3*z^4 + 425*y^4*z^4 - 173*y^5*z^4 + 28*y^6*z^4 - 30*z^5 + 188*y*z^5 - 390*y^2*z^5 + 360*y^3*z^5 - 172*y^4*z^5 + 36*y^5*z^5 + 30*z^6 - 132*y*z^6 + 185*y^2*z^6 - 112*y^3*z^6 + 29*y^4*z^6 - 15*z^7 + 46*y*z^7 - 41*y^2*z^7 + 14*y^3*z^7 + 3*z^8 - 6*y*z^8 + 3*y^2*z^8))/((-1 + y)^2*y^2*(-1 + z)^2*(-1 + y + z)^2* (y + z)^2) + (Pi^2*(9*y^4 - 39*y^5 + 66*y^6 - 54*y^7 + 21*y^8 - 3*y^9 + y^3*z - 42*y^4*z + 129*y^5*z - 139*y^6*z + 48*y^7*z + 9*y^8*z - 6*y^9*z - 31*y^2*z^2 + 161*y^3*z^2 - 303*y^4*z^2 + 339*y^5*z^2 - 302*y^6*z^2 + 183*y^7*z^2 - 50*y^8*z^2 + 3*y^9*z^2 - 48*y*z^3 + 405*y^2*z^3 - 1225*y^3*z^3 + 1880*y^4*z^3 - 1698*y^5*z^3 + 924*y^6*z^3 - 258*y^7*z^3 + 20*y^8*z^3 - 19*z^4 + 336*y*z^4 - 1583*y^2*z^4 + 3309*y^3*z^4 - 3690*y^4*z^4 + 2326*y^5*z^4 - 766*y^6*z^4 + 93*y^7*z^4 + 95*z^5 - 902*y*z^5 + 2871*y^2*z^5 - 4289*y^3*z^5 + 3357*y^4*z^5 - 1349*y^5*z^5 + 217*y^6*z^5 - 190*z^6 + 1208*y*z^6 - 2719*y^2*z^6 + 2844*y^3*z^6 - 1441*y^4*z^6 + 286*y^5*z^6 + 190*z^7 - 852*y*z^7 + 1337*y^2*z^7 - 905*y^3*z^7 + 230*y^4*z^7 - 95*z^8 + 296*y*z^8 - 299*y^2*z^8 + 104*y^3*z^8 + 19*z^9 - 38*y*z^9 + 19*y^2*z^9))/(6*(-1 + y)^2*y^2*(-1 + z)^2*z* (-1 + y + z)^2*(y + z)^2) + (Pi^2*(3*y^2 - 12*y^3 + 15*y^4 - 6*y^5 + y*z - 17*y^2*z + 43*y^3*z - 35*y^4*z + 8*y^5*z - 2*y*z^2 + 36*y^2*z^2 - 91*y^3*z^2 + 75*y^4*z^2 - 22*y^5*z^2 - 6*z^3 + 9*y*z^3 - 34*y^2*z^3 + 103*y^3*z^3 - 65*y^4*z^3 + 4*y^5*z^3 + 30*z^4 - 36*y*z^4 + 11*y^2*z^4 - 45*y^3*z^4 + 10*y^4*z^4 - 60*z^5 + 59*y*z^5 + 3*y^2*z^5 + 2*y^3*z^5 + 60*z^6 - 42*y*z^6 - 2*y^2*z^6 - 30*z^7 + 11*y*z^7 + 6*z^8)*G[1, z])/ (6*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2) + ((-28*(y - z)*(-1 + y + z))/(y*z) - ((6*I)*Pi*(y - z)*(-1 + y + z))/ (y*z) - (Pi^2*(3*y^2 - 24*y^3 + 75*y^4 - 120*y^5 + 105*y^6 - 48*y^7 + 9*y^8 - 15*y^2*z + 113*y^3*z - 320*y^4*z + 450*y^5*z - 335*y^6*z + 125*y^7*z - 18*y^8*z - 3*z^2 + 14*y*z^2 + 7*y^2*z^2 - 227*y^3*z^2 + 641*y^4*z^2 - 787*y^5*z^2 + 470*y^6*z^2 - 124*y^7*z^2 + 9*y^8*z^2 + 9*z^3 - 36*y*z^3 + 34*y^2*z^3 + 210*y^3*z^3 - 618*y^4*z^3 + 631*y^5*z^3 - 265*y^6*z^3 + 35*y^7*z^3 - 8*y*z^4 - 14*y^2*z^4 - 73*y^3*z^4 + 249*y^4*z^4 - 203*y^5*z^4 + 49*y^6*z^4 - 30*z^5 + 112*y*z^5 - 76*y^2*z^5 + 13*y^3*z^5 - 28*y^4*z^5 + 17*y^5*z^5 + 45*z^6 - 138*y*z^6 + 98*y^2*z^6 - 22*y^3*z^6 + y^4*z^6 - 27*z^7 + 68*y*z^7 - 43*y^2*z^7 + 10*y^3*z^7 + 6*z^8 - 12*y*z^8 + 6*y^2*z^8))/(6*(-1 + y)^2*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2))* G[1 - y, z] + (((2*I)*Pi*(y - z)*(2 - 3*y + y^2 - 3*z + 4*y*z + 3*y^2*z + z^2 + 3*y*z^2))/((-1 + y)*y*(-1 + z)*z) + (2*(y - z)*(11 - 19*y + 8*y^2 - 19*z + 27*y*z + 3*y^2*z + 8*z^2 + 3*y*z^2))/((-1 + y)*y*(-1 + z)*z) + (Pi^2*(y - z)*(-9*y^4 + 24*y^5 - 21*y^6 + 6*y^7 - 13*y^3*z + 35*y^4*z - 27*y^5*z + 5*y^6*z - 16*y^2*z^2 - 3*y^3*z^2 + 76*y^4*z^2 - 61*y^5*z^2 - 13*y*z^3 - 3*y^2*z^3 + 164*y^3*z^3 - 166*y^4*z^3 - 9*z^4 + 35*y*z^4 + 76*y^2*z^4 - 166*y^3*z^4 + 24*z^5 - 27*y*z^5 - 61*y^2*z^5 - 21*z^6 + 5*y*z^6 + 6*z^7))/ (6*y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, z] + (((-2*I)*Pi*(-3*y + 3*y^2 - 3*z + 8*y*z + 3*z^2))/y^2 - (2*y - 6*y^3 + 4*y^4 - 19*z + 50*y*z - 63*y^2*z + 32*y^3*z + 38*z^2 - 71*y*z^2 + 41*y^2*z^2 - 19*z^3 + 19*y*z^3)/ ((-1 + y)*y^2*(-1 + y + z)))*G[0, 0, z] + (((-2*I)*Pi*(-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2))/y^2 + (6*y^2 - 12*y^3 + 6*y^4 + 3*y*z - 10*y^2*z + 7*y^3*z + 19*z^2 - 43*y*z^2 + 16*y^2*z^2 - 19*z^3 + 19*y*z^3)/((-1 + y)*y^2*z))* G[0, 1 - y, z] + (((2*I)*Pi*(-2*y^2 + 8*y^3 - 10*y^4 + 4*y^5 - 3*y*z + 20*y^2*z - 43*y^3*z + 40*y^4*z - 14*y^5*z - 3*z^2 + 19*y*z^2 - 55*y^2*z^2 + 57*y^3*z^2 - 28*y^4*z^2 + 6*y^5*z^2 + 9*z^3 - 35*y*z^3 + 63*y^2*z^3 - 35*y^3*z^3 + 6*y^4*z^3 - 9*z^4 + 25*y*z^4 - 29*y^2*z^4 + 9*y^3*z^4 + 3*z^5 - 6*y*z^5 + 3*y^2*z^5))/((-1 + y)^2*y^2*(-1 + z)^2*z) + (y^2 - 10*y^3 + 17*y^4 - 8*y^5 + 8*y*z - 11*y^2*z + y^3*z + 2*y^4*z - 19*z^2 + 26*y*z^2 - 21*y^2*z^2 + 14*y^3*z^2 - 8*y^4*z^2 + 2*y^5*z^2 + 57*z^3 - 114*y*z^3 + 93*y^2*z^3 - 25*y^3*z^3 + y^4*z^3 - 57*z^4 + 118*y*z^4 - 81*y^2*z^4 + 14*y^3*z^4 + 19*z^5 - 38*y*z^5 + 19*y^2*z^5)/((-1 + y)^2*y^2* (-1 + z)^2*z))*G[0, -y, z] + (((-2*I)*Pi*(-y - 3*z + 3*y*z + 3*z^2))/y^2 - (z*(19 - 39*y + 26*y^2 - 38*z + 39*y*z + 19*z^2))/ (y^2*(-1 + y + z)))*G[1, 0, z] + (((-2*I)*Pi*(-2*y + 2*y^2 + 3*z + 2*y*z - 3*z^2))/y^2 + (6*y^2 - 12*y^3 + 6*y^4 + 3*y*z - 10*y^2*z + 7*y^3*z + 19*z^2 - 43*y*z^2 + 16*y^2*z^2 - 19*z^3 + 19*y*z^3)/((-1 + y)*y^2*z))* G[1 - y, 0, z] + (9*(y - z)*(-1 + y + z)*G[1 - y, 1 - y, z])/ (y*z) + (((-2*I)*Pi*(y - z)*(-1 + y + z)*(3 - 8*y + 5*y^2 - 8*z + 8*y*z - 4*y^2*z + 5*z^2 - 4*y*z^2 + 3*y^2*z^2))/ ((-1 + y)^2*y*(-1 + z)^2*z) - ((y - z)*(-6 + 11*y - 4*y^2 - y^3 + 11*z - 13*y*z - 4*y^2*z + 6*y^3*z - 4*z^2 - 4*y*z^2 + y^2*z^2 + y^3*z^2 - z^3 + 6*y*z^3 + y^2*z^3))/((-1 + y)^2*y*(-1 + z)^2* z))*G[1 - y, -y, z] + (((2*I)*Pi*(-y - 3*z + 3*y*z + 3*z^2))/ y^2 + ((-1 + y + z)*(6*y^2 - y*z + 19*z^2))/(y^2*z))* G[-y, 0, z] + (((2*I)*Pi*(y - z)*(-3*y^2 + 3*y^3 - y*z + y^2*z - 3*z^2 + y*z^2 + 3*z^3))/(y^2*z^2) + ((y - z)*(-19*y^2 + 38*y^3 - 19*y^4 - 19*y*z + 72*y^2*z - 72*y^3*z + 19*y^4*z - 19*z^2 + 72*y*z^2 - 87*y^2*z^2 + 26*y^3*z^2 + 38*z^3 - 72*y*z^3 + 26*y^2*z^3 - 19*z^4 + 19*y*z^4))/((-1 + y)*y^2*(-1 + z)*z^2))*G[-y, 1 - y, z] + (((2*I)*Pi*(y - z)*(-3*y^2 + 3*y^3 - 4*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(y^2*z^2) + ((y - z)*(-19*y^2 + 38*y^3 - 19*y^4 - 12*y*z + 61*y^2*z - 68*y^3*z + 19*y^4*z - 19*z^2 + 61*y*z^2 - 72*y^2*z^2 + 26*y^3*z^2 + 38*z^3 - 68*y*z^3 + 26*y^2*z^3 - 19*z^4 + 19*y*z^4))/((-1 + y)*y^2*(-1 + z)*z^2))* G[-y, -y, z] + ((-7*y + 7*y^2 - 9*z + 20*y*z + 9*z^2)* G[0, 0, 0, z])/y^2 + (6*(-1 + y + 2*z)*G[0, 0, 1 - y, z])/y + ((4*y^2 - 20*y^3 + 36*y^4 - 28*y^5 + 8*y^6 - 8*y*z + 19*y^2*z + 24*y^3*z - 95*y^4*z + 82*y^5*z - 22*y^6*z - 15*z^2 + 92*y*z^2 - 207*y^2*z^2 + 152*y^3*z^2 + 22*y^4*z^2 - 54*y^5*z^2 + 10*y^6*z^2 + 57*z^3 - 250*y*z^3 + 452*y^2*z^3 - 330*y^3*z^3 + 71*y^4*z^3 + 8*y^5*z^3 - 81*z^4 + 280*y*z^4 - 391*y^2*z^4 + 214*y^3*z^4 - 38*y^4*z^4 + 51*z^5 - 138*y*z^5 + 135*y^2*z^5 - 40*y^3*z^5 - 12*z^6 + 24*y*z^6 - 12*y^2*z^6)*G[0, 0, -y, z])/ ((-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)) + (2*(-y - 3*z + 3*y*z + 3*z^2)*G[0, 1, 0, z])/y^2 + (6*(-1 + y + 2*z)*G[0, 1 - y, 0, z])/y + ((-4*y + 4*y^2 + 9*z + 2*y*z - 9*z^2)*G[0, 1 - y, 1 - y, z])/y^2 - ((5*y^2 - 24*y^3 + 42*y^4 - 32*y^5 + 9*y^6 + 7*y*z - 43*y^2*z + 128*y^3*z - 185*y^4*z + 123*y^5*z - 30*y^6*z - 34*y*z^2 + 109*y^2*z^2 - 200*y^3*z^2 + 210*y^4*z^2 - 98*y^5*z^2 + 13*y^6*z^2 - 3*z^3 + 68*y*z^3 - 130*y^2*z^3 + 135*y^3*z^3 - 85*y^4*z^3 + 23*y^5*z^3 + 9*z^4 - 68*y*z^4 + 83*y^2*z^4 - 50*y^3*z^4 + 10*y^4*z^4 - 9*z^5 + 33*y*z^5 - 27*y^2*z^5 + 11*y^3*z^5 + 3*z^6 - 6*y*z^6 + 3*y^2*z^6)*G[0, 1 - y, -y, z])/ ((-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)) - ((-2*y - 9*z + 8*y*z + 9*z^2)*G[0, -y, 0, z])/y^2 + ((-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 4*y^2*z - 8*y^3*z - 2*y^4*z + 12*y^5*z - 6*y^6*z + 5*y*z^2 - 33*y^2*z^2 + 68*y^3*z^2 - 58*y^4*z^2 + 15*y^5*z^2 + 3*y^6*z^2 - 6*z^3 + 2*y*z^3 + 56*y^2*z^3 - 76*y^3*z^3 + 42*y^4*z^3 - 10*y^5*z^3 + 18*z^4 - 31*y*z^4 - 27*y^2*z^4 + 31*y^3*z^4 - 7*y^4*z^4 - 18*z^5 + 36*y*z^5 - 6*y^2*z^5 - 4*y^3*z^5 + 6*z^6 - 12*y*z^6 + 6*y^2*z^6)* G[0, -y, 1 - y, z])/((-1 + y)^2*y^2*(-1 + z)^2*z^2) + ((-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 10*y^3*z - 23*y^4*z + 20*y^5*z - 6*y^6*z - 3*y*z^2 + 5*y^2*z^2 - 4*y^3*z^2 + 6*y^4*z^2 - 7*y^5*z^2 + 3*y^6*z^2 - 15*z^3 + 53*y*z^3 - 52*y^2*z^3 + 19*y^3*z^3 - y^4*z^3 + 45*z^4 - 127*y*z^4 + 106*y^2*z^4 - 33*y^3*z^4 + y^4*z^4 - 45*z^5 + 107*y*z^5 - 73*y^2*z^5 + 15*y^3*z^5 + 15*z^6 - 30*y*z^6 + 15*y^2*z^6)* G[0, -y, -y, z])/((-1 + y)^2*y^2*(-1 + z)^2*z^2) - ((y - 5*y^2 + 4*y^3 + 3*z - 10*y*z + 16*y^2*z - 9*z^2 + 17*y*z^2 - 11*y^2*z^2 + 9*z^3 - 8*y*z^3 - 3*z^4)*G[1, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((-y - 3*z + y*z + 4*y*z^2 + 3*z^3)* G[1, 0, 1 - y, z])/(y^2*z) + ((-3*y^2 + 9*y^3 - 6*y^4 - 2*y*z + 13*y^2*z - 21*y^3*z + 8*y^4*z - 3*z^2 + 11*y*z^2 - 26*y^2*z^2 + 45*y^3*z^2 - 22*y^4*z^2 + 9*z^3 - 11*y*z^3 + 12*y^2*z^3 - 39*y^3*z^3 + 4*y^4*z^3 - 6*z^4 - 13*y*z^4 + 17*y^2*z^4 + 6*y^3*z^4 - 6*z^5 + 25*y*z^5 - 13*y^2*z^5 + 9*z^6 - 10*y*z^6 - 3*z^7)*G[1, 0, -y, z])/(y^2*(-1 + z)^2*z^2*(-1 + y + z)) - ((-2*y + y^2 + y^3 - 6*z + 23*y*z - 17*y^2*z + 9*y^3*z + 18*z^2 - 40*y*z^2 + 16*y^2*z^2 - 18*z^3 + 19*y*z^3 + 6*z^4)*G[1, 1, 0, z])/ (y^2*(-1 + y + z)^2) + ((-y - 3*z + y*z + 4*y*z^2 + 3*z^3)* G[1, 1 - y, 0, z])/(y^2*z) + ((-3*y^2 + 9*y^3 - 6*y^4 - 2*y*z + 13*y^2*z - 21*y^3*z + 8*y^4*z - 3*z^2 + 11*y*z^2 - 26*y^2*z^2 + 45*y^3*z^2 - 22*y^4*z^2 + 9*z^3 - 11*y*z^3 + 12*y^2*z^3 - 39*y^3*z^3 + 4*y^4*z^3 - 6*z^4 - 13*y*z^4 + 17*y^2*z^4 + 6*y^3*z^4 - 6*z^5 + 25*y*z^5 - 13*y^2*z^5 + 9*z^6 - 10*y*z^6 - 3*z^7)*G[1, 1 - y, -y, z])/(y^2*(-1 + z)^2*z^2*(-1 + y + z)) + (6*(-1 + y + 2*z)*G[1 - y, 0, 0, z])/y + ((-4*y + 4*y^2 + 9*z + 2*y*z - 9*z^2)*G[1 - y, 0, 1 - y, z])/y^2 + ((-3*y^2 + 6*y^3 - 6*y^5 + 3*y^6 - 2*y*z + 17*y^2*z - 30*y^3*z + 11*y^4*z + 10*y^5*z - 6*y^6*z - 3*z^2 + 19*y*z^2 - 58*y^2*z^2 + 83*y^3*z^2 - 54*y^4*z^2 + 10*y^5*z^2 + 3*y^6*z^2 + 12*z^3 - 52*y*z^3 + 107*y^2*z^3 - 84*y^3*z^3 + 31*y^4*z^3 - 6*y^5*z^3 - 18*z^4 + 61*y*z^4 - 100*y^2*z^4 + 45*y^3*z^4 - 4*y^4*z^4 + 12*z^5 - 32*y*z^5 + 40*y^2*z^5 - 12*y^3*z^5 - 3*z^6 + 6*y*z^6 - 3*y^2*z^6)*G[1 - y, 0, -y, z])/((-1 + y)^2*y^2*(-1 + z)^2*z^2) + ((-3*y + y^2 - 9*z + 10*y*z + 9*z^2)*G[1 - y, 1, 0, z])/y^2 + ((-4*y + 4*y^2 + 9*z + 2*y*z - 9*z^2)*G[1 - y, 1 - y, 0, z])/y^2 - ((y - z)*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - y*z - 4*y^2*z + 33*y^3*z - 62*y^4*z + 46*y^5*z - 12*y^6*z - 4*y*z^2 + 28*y^2*z^2 - 86*y^3*z^2 + 106*y^4*z^2 - 50*y^5*z^2 + 6*y^6*z^2 - 6*z^3 + 33*y*z^3 - 86*y^2*z^3 + 131*y^3*z^3 - 78*y^4*z^3 + 14*y^5*z^3 + 18*z^4 - 62*y*z^4 + 106*y^2*z^4 - 78*y^3*z^4 + 16*y^4*z^4 - 18*z^5 + 46*y*z^5 - 50*y^2*z^5 + 14*y^3*z^5 + 6*z^6 - 12*y*z^6 + 6*y^2*z^6)*G[1 - y, 1 - y, -y, z])/ ((-1 + y)^2*y^2*(-1 + z)^2*z^2*(y + z)) - (2*(-y - 3*z + 3*y*z + 3*z^2)*G[1 - y, -y, 0, z])/y^2 - ((y - z)*(3*y^2 - 15*y^3 + 27*y^4 - 21*y^5 + 6*y^6 + 7*y*z - 35*y^2*z + 73*y^3*z - 81*y^4*z + 48*y^5*z - 12*y^6*z + 3*z^2 - 35*y*z^2 + 94*y^2*z^2 - 132*y^3*z^2 + 109*y^4*z^2 - 45*y^5*z^2 + 6*y^6*z^2 - 15*z^3 + 73*y*z^3 - 132*y^2*z^3 + 135*y^3*z^3 - 63*y^4*z^3 + 10*y^5*z^3 + 27*z^4 - 81*y*z^4 + 109*y^2*z^4 - 63*y^3*z^4 + 8*y^4*z^4 - 21*z^5 + 48*y*z^5 - 45*y^2*z^5 + 10*y^3*z^5 + 6*z^6 - 12*y*z^6 + 6*y^2*z^6)*G[1 - y, -y, 1 - y, z])/((-1 + y)^2*y^2*(-1 + z)^2*z^2*(y + z)) - ((y - z)*(-9*y^2 + 27*y^3 - 27*y^4 + 9*y^5 - 11*y*z + 56*y^2*z - 97*y^3*z + 70*y^4*z - 18*y^5*z - 9*z^2 + 56*y*z^2 - 134*y^2*z^2 + 143*y^3*z^2 - 65*y^4*z^2 + 9*y^5*z^2 + 27*z^3 - 97*y*z^3 + 143*y^2*z^3 - 87*y^3*z^3 + 18*y^4*z^3 - 27*z^4 + 70*y*z^4 - 65*y^2*z^4 + 18*y^3*z^4 + 9*z^5 - 18*y*z^5 + 9*y^2*z^5)* G[1 - y, -y, -y, z])/((-1 + y)^2*y^2*(-1 + z)^2*z^2) + ((-2*y + y^3 - 6*z + 9*y*z - y^2*z + 9*z^2 - 5*y*z^2 - 3*z^3)* G[-y, 0, 0, z])/(y^2*(-1 + y + z)) - ((-6*y^3 + 6*y^4 - y^2*z + 10*y^3*z - 2*y*z^2 + 5*y^2*z^2 - 3*z^3 + 4*y*z^3 + 3*z^4)*G[-y, 0, 1 - y, z])/(y^2*z^2) - ((-3*y^4 + 3*y^5 - y^2*z - 3*y^3*z + 6*y^4*z - 3*y*z^2 + 5*y^2*z^2 - 12*z^3 + 26*y*z^3 - 15*y^2*z^3 + 21*z^4 - 21*y*z^4 - 9*z^5)* G[-y, 0, -y, z])/(y^2*z^2*(-1 + y + z)) - ((-6*y^3 + 6*y^4 - y^2*z + 10*y^3*z - 2*y*z^2 + 5*y^2*z^2 - 3*z^3 + 4*y*z^3 + 3*z^4)*G[-y, 1 - y, 0, z])/(y^2*z^2) - ((y - z)*(-9*y^2 + 9*y^3 - 5*y*z + 7*y^2*z - 9*z^2 + 7*y*z^2 + 9*z^3)*G[-y, 1 - y, 1 - y, z])/(y^2*z^2) + ((y - z)*(3*y^2 - 3*y^3 + 2*y*z - 6*y^2*z + 2*y^3*z + 3*z^2 - 6*y*z^2 + 4*y^2*z^2 - 3*z^3 + 2*y*z^3)*G[-y, 1 - y, -y, z])/ (y^2*z^2*(-1 + y + z)) - ((-6*y^3 + 6*y^4 - y^2*z + 10*y^3*z + y*z^2 + 5*y^2*z^2 + 6*z^3 - 5*y*z^3 - 6*z^4)*G[-y, -y, 0, z])/ (y^2*z^2) + ((y - z)*(-3*y^2 + 3*y^3 - 2*y*z + 11*y^2*z - 3*z^2 + 11*y*z^2 + 3*z^3)*G[-y, -y, 1 - y, z])/(y^2*z^2) + ((y - z)*(12*y^2 - 27*y^3 + 15*y^4 + 14*y*z - 62*y^2*z + 50*y^3*z + 12*z^2 - 62*y*z^2 + 70*y^2*z^2 - 27*z^3 + 50*y*z^3 + 15*z^4)* G[-y, -y, -y, z])/(y^2*z^2*(-1 + y + z)) - ((30*y^2 - 139*y^3 + 274*y^4 - 315*y^5 + 271*y^6 - 208*y^7 + 117*y^8 - 30*y^9 + 48*y*z - 347*y^2*z + 917*y^3*z - 1324*y^4*z + 1250*y^5*z - 873*y^6*z + 463*y^7*z - 144*y^8*z + 10*y^9*z + 18*z^2 - 297*y*z^2 + 1142*y^2*z^2 - 2012*y^3*z^2 + 2104*y^4*z^2 - 1441*y^5*z^2 + 661*y^6*z^2 - 202*y^7*z^2 + 27*y^8*z^2 - 81*z^3 + 625*y*z^3 - 1406*y^2*z^3 + 1465*y^3*z^3 - 802*y^4*z^3 + 111*y^5*z^3 + 73*y^6*z^3 - 13*y^7*z^3 + 126*z^4 - 441*y*z^4 + 181*y^2*z^4 + 603*y^3*z^4 - 943*y^4*z^4 + 606*y^5*z^4 - 132*y^6*z^4 - 54*z^5 - 213*y*z^5 + 1056*y^2*z^5 - 1404*y^3*z^5 + 902*y^4*z^5 - 231*y^5*z^5 - 54*z^6 + 482*y*z^6 - 887*y^2*z^6 + 670*y^3*z^6 - 211*y^4*z^6 + 63*z^7 - 240*y*z^7 + 249*y^2*z^7 - 100*y^3*z^7 - 18*z^8 + 36*y*z^8 - 18*y^2*z^8)*Zeta[3])/ ((-1 + y)^2*y^2*(-1 + z)^2*(-1 + y + z)^2*(y + z)^2)) + G[1 - y, z]*(((-1/3*I)*Pi^3*(y - z)*(3*y^4 - 12*y^5 + 18*y^6 - 12*y^7 + 3*y^8 + 11*y^3*z - 55*y^4*z + 105*y^5*z - 95*y^6*z + 40*y^7*z - 6*y^8*z + 14*y^2*z^2 - 100*y^3*z^2 + 247*y^4*z^2 - 282*y^5*z^2 + 156*y^6*z^2 - 38*y^7*z^2 + 3*y^8*z^2 + 11*y*z^3 - 100*y^2*z^3 + 316*y^3*z^3 - 449*y^4*z^3 + 315*y^5*z^3 - 107*y^6*z^3 + 14*y^7*z^3 + 3*z^4 - 55*y*z^4 + 247*y^2*z^4 - 449*y^3*z^4 + 390*y^4*z^4 - 172*y^5*z^4 + 32*y^6*z^4 - 12*z^5 + 105*y*z^5 - 282*y^2*z^5 + 315*y^3*z^5 - 172*y^4*z^5 + 42*y^5*z^5 + 18*z^6 - 95*y*z^6 + 156*y^2*z^6 - 107*y^3*z^6 + 32*y^4*z^6 - 12*z^7 + 40*y*z^7 - 38*y^2*z^7 + 14*y^3*z^7 + 3*z^8 - 6*y*z^8 + 3*y^2*z^8))/((-1 + y)^2*y^2*(-1 + z)^2*z^2* (-1 + y + z)*(y + z)^2) - (Pi^2*(y - z)*(19*y^4 - 76*y^5 + 114*y^6 - 76*y^7 + 19*y^8 + 67*y^3*z - 345*y^4*z + 671*y^5*z - 613*y^6*z + 258*y^7*z - 38*y^8*z + 93*y^2*z^2 - 651*y^3*z^2 + 1634*y^4*z^2 - 1929*y^5*z^2 + 1114*y^6*z^2 - 280*y^7*z^2 + 19*y^8*z^2 + 67*y*z^3 - 651*y^2*z^3 + 2148*y^3*z^3 - 3252*y^4*z^3 + 2442*y^5*z^3 - 858*y^6*z^3 + 104*y^7*z^3 + 19*z^4 - 345*y*z^4 + 1634*y^2*z^4 - 3252*y^3*z^4 + 3131*y^4*z^4 - 1442*y^5*z^4 + 249*y^6*z^4 - 76*z^5 + 671*y*z^5 - 1929*y^2*z^5 + 2442*y^3*z^5 - 1442*y^4*z^5 + 328*y^5*z^5 + 114*z^6 - 613*y*z^6 + 1114*y^2*z^6 - 858*y^3*z^6 + 249*y^4*z^6 - 76*z^7 + 258*y*z^7 - 280*y^2*z^7 + 104*y^3*z^7 + 19*z^8 - 38*y*z^8 + 19*y^2*z^8))/ (6*(-1 + y)^2*y^2*(-1 + z)^2*z^2*(-1 + y + z)*(y + z)^2) + (((2*I)*Pi*(-3*y + 3*y^2 - 3*z + 8*y*z + 3*z^2))/z^2 + (-19*y + 38*y^2 - 19*y^3 + 2*z + 50*y*z - 71*y^2*z + 19*y^3*z - 63*y*z^2 + 41*y^2*z^2 - 6*z^3 + 32*y*z^3 + 4*z^4)/ ((-1 + z)*z^2*(-1 + y + z)))*G[0, 0, y] + (((-2*I)*Pi*(-3*y^2 + 9*y^3 - 9*y^4 + 3*y^5 - y*z + 11*y^2*z - 25*y^3*z + 21*y^4*z - 6*y^5*z + 3*z^2 - 6*y*z^2 + 2*y^2*z^2 + 7*y^3*z^2 - 9*y^4*z^2 + 3*y^5*z^2 - 11*z^3 + 17*y*z^3 - 14*y^2*z^3 + 3*y^3*z^3 + y^4*z^3 + 13*z^4 - 14*y*z^4 + 11*y^2*z^4 - 2*y^3*z^4 - 5*z^5 + 4*y*z^5 - 3*y^2*z^5))/ ((-1 + y)^2*y*(-1 + z)^2*z^2) - (-19*y^2 + 57*y^3 - 57*y^4 + 19*y^5 - 9*y*z + 79*y^2*z - 169*y^3*z + 137*y^4*z - 38*y^5*z + 25*y*z^2 - 100*y^2*z^2 + 147*y^3*z^2 - 91*y^4*z^2 + 19*y^5*z^2 + 7*z^3 - 44*y*z^3 + 68*y^2*z^3 - 54*y^3*z^3 + 17*y^4*z^3 - 14*z^4 + 46*y*z^4 - 27*y^2*z^4 + 7*y^3*z^4 + 7*z^5 - 18*y*z^5 + 5*y^2*z^5)/((-1 + y)^2*y*(-1 + z)^2*z^2))*G[0, 1, y] + (((-2*I)*Pi*(-y^2 + 2*y^3 - y^4 + 3*y^2*z - y^3*z - 4*y^4*z - 3*z^2 - 2*y*z^2 + 10*y^2*z^2 - 10*y^3*z^2 + y^4*z^2 + 5*z^3 + 17*y*z^3 - 19*y^2*z^3 + y^3*z^3 + 3*z^4 - 22*y*z^4 + 3*y^2*z^4 - 9*z^5 + 7*y*z^5 + 4*z^6))/((-1 + z)^2*z* (-1 + y + z)*(y + z)^2) + (4*y^3 - 14*y^4 + 10*y^5 - y^2*z - 28*y^3*z + 46*y^4*z - 12*y^5*z - 5*y*z^2 + 20*y^2*z^2 + 41*y^3*z^2 - 43*y^4*z^2 + 8*y^5*z^2 - 6*z^3 + 46*y*z^3 - 63*y^2*z^3 - 24*y^3*z^3 + 23*y^4*z^3 + 24*z^4 - 98*y*z^4 + 61*y^2*z^4 + 13*y^3*z^4 - 36*z^5 + 78*y*z^5 - 17*y^2*z^5 + 24*z^6 - 21*y*z^6 - 6*z^7)/(y*(-1 + z)^2*z*(-1 + y + z)* (y + z)^2))*G[1, 0, y] + (9*(y - z)*(-1 + y + z)*G[1, 1, y])/ (y*z) - ((-9*y + 9*y^2 - 7*z + 20*y*z + 7*z^2)*G[0, 0, 0, y])/z^2 - ((-3*y^2 + 9*y^3 - 9*y^4 + 3*y^5 - 2*y*z + 13*y^2*z - 21*y^3*z + 11*y^4*z - y^5*z - 3*z^2 + 19*y*z^2 - 44*y^2*z^2 + 36*y^3*z^2 - 7*y^4*z^2 - y^5*z^2 + 15*z^3 - 59*y*z^3 + 104*y^2*z^3 - 46*y^3*z^3 - 5*y^4*z^3 + 3*y^5*z^3 - 27*z^4 + 81*y*z^4 - 121*y^2*z^4 + 41*y^3*z^4 + 2*y^4*z^4 + 21*z^5 - 51*y*z^5 + 57*y^2*z^5 - 15*y^3*z^5 - 6*z^6 + 12*y*z^6 - 6*y^2*z^6)* G[0, 0, 1, y])/((-1 + y)^2*y^2*(-1 + z)^2*z^2) + ((3*y^3 - 3*y^4 - 3*y^5 + 3*y^6 + 7*y^2*z - 22*y^3*z + 6*y^4*z + 15*y^5*z - 6*y^6*z + 5*y*z^2 - 30*y^2*z^2 + 44*y^3*z^2 - 13*y^4*z^2 - 9*y^5*z^2 + 3*y^6*z^2 + z^3 - 18*y*z^3 + 37*y^2*z^3 - 51*y^3*z^3 + 32*y^4*z^3 + 5*y^5*z^3 + z^4 + y*z^4 + 13*y^2*z^4 + 31*y^3*z^4 - 6*y^4*z^4 - 17*z^5 + 66*y*z^5 - 64*y^2*z^5 + 3*y^3*z^5 + 35*z^6 - 88*y*z^6 + 37*y^2*z^6 - 28*z^7 + 34*y*z^7 + 8*z^8)*G[0, 1, 0, y])/(y*(-1 + z)^2*z^2* (-1 + y + z)*(y + z)^2) + ((-3*y^3 + 6*y^4 - 6*y^6 + 3*y^7 - 4*y^2*z + 15*y^3*z - 11*y^4*z - 13*y^5*z + 19*y^6*z - 6*y^7*z + 4*y*z^2 + 4*y^2*z^2 - 25*y^3*z^2 + 24*y^4*z^2 - 2*y^5*z^2 - 8*y^6*z^2 + 3*y^7*z^2 + 3*z^3 - 20*y*z^3 + 9*y^2*z^3 + 31*y^3*z^3 - 45*y^4*z^3 + 11*y^5*z^3 + 3*y^6*z^3 - 15*z^4 + 46*y*z^4 - 39*y^2*z^4 - 4*y^3*z^4 + 24*y^4*z^4 - 4*y^5*z^4 + 27*z^5 - 60*y*z^5 + 57*y^2*z^5 - 10*y^3*z^5 - 6*y^4*z^5 - 21*z^6 + 42*y*z^6 - 33*y^2*z^6 + 4*y^3*z^6 + 6*z^7 - 12*y*z^7 + 6*y^2*z^7)*G[0, 1, 1, y])/((-1 + y)^2*y^2*(-1 + z)^2*z^2* (y + z)) + ((-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - 7*y^2*z + 50*y^3*z - 91*y^4*z + 60*y^5*z - 12*y^6*z + 39*y^2*z^2 - 156*y^3*z^2 + 189*y^4*z^2 - 78*y^5*z^2 + 6*y^6*z^2 + 9*z^3 - 4*y*z^3 - 122*y^2*z^3 + 268*y^3*z^3 - 181*y^4*z^3 + 28*y^5*z^3 - 27*z^4 - 30*y*z^4 + 212*y^2*z^4 - 210*y^3*z^4 + 49*y^4*z^4 + 17*z^5 + 100*y*z^5 - 159*y^2*z^5 + 46*y^3*z^5 + 21*z^6 - 94*y*z^6 + 37*y^2*z^6 - 30*z^7 + 28*y*z^7 + 10*z^8)* G[1, 0, 0, y])/((-1 + z)^2*z^2*(-1 + y + z)^2*(y + z)^2) - ((-6*y^4 + 18*y^5 - 18*y^6 + 6*y^7 - y^2*z - 5*y^3*z + 41*y^4*z - 75*y^5*z + 52*y^6*z - 12*y^7*z + y*z^2 - 7*y^2*z^2 + 40*y^3*z^2 - 117*y^4*z^2 + 139*y^5*z^2 - 62*y^6*z^2 + 6*y^7*z^2 - 2*y*z^3 + 24*y^2*z^3 - 79*y^3*z^3 + 138*y^4*z^3 - 93*y^5*z^3 + 20*y^6*z^3 + 6*z^4 - 15*y*z^4 + 7*y^2*z^4 + 26*y^3*z^4 - 51*y^4*z^4 + 19*y^5*z^4 - 18*z^5 + 44*y*z^5 - 55*y^2*z^5 + 18*y^3*z^5 + 3*y^4*z^5 + 18*z^6 - 40*y*z^6 + 38*y^2*z^6 - 8*y^3*z^6 - 6*z^7 + 12*y*z^7 - 6*y^2*z^7)*G[1, 0, 1, y])/((-1 + y)^2*y^2*(-1 + z)^2* z^2*(y + z)) + ((3*y - 12*y^2 + 18*y^3 - 12*y^4 + 3*y^5 + z - 16*y*z + 48*y^2*z - 58*y^3*z + 31*y^4*z - 6*y^5*z + 27*y*z^2 - 97*y^2*z^2 + 111*y^3*z^2 - 44*y^4*z^2 + 3*y^5*z^2 - 18*z^3 + 6*y*z^3 + 91*y^2*z^3 - 90*y^3*z^3 + 13*y^4*z^3 + 52*z^4 - 65*y*z^4 - 23*y^2*z^4 + 19*y^3*z^4 - 63*z^5 + 66*y*z^5 - 7*y^2*z^5 + 36*z^6 - 21*y*z^6 - 8*z^7)*G[1, 1, 0, y])/ (y*(-1 + z)^2*z^2*(-1 + y + z)^2) - ((y - z)*(9*y^3 - 18*y^4 - 18*y^5 + 72*y^6 - 63*y^7 + 18*y^8 + 33*y^2*z - 106*y^3*z + 342*y^5*z - 461*y^6*z + 228*y^7*z - 36*y^8*z + 33*y*z^2 - 172*y^2*z^2 + 92*y^3*z^2 + 709*y^4*z^2 - 1432*y^5*z^2 + 1049*y^6*z^2 - 297*y^7*z^2 + 18*y^8*z^2 + 9*z^3 - 106*y*z^3 + 92*y^2*z^3 + 886*y^3*z^3 - 2438*y^4*z^3 + 2408*y^5*z^3 - 963*y^6*z^3 + 112*y^7*z^3 - 18*z^4 + 709*y^2*z^4 - 2438*y^3*z^4 + 3142*y^4*z^4 - 1658*y^5*z^4 + 283*y^6*z^4 - 18*z^5 + 342*y*z^5 - 1432*y^2*z^5 + 2408*y^3*z^5 - 1658*y^4*z^5 + 378*y^5*z^5 + 72*z^6 - 461*y*z^6 + 1049*y^2*z^6 - 963*y^3*z^6 + 283*y^4*z^6 - 63*z^7 + 228*y*z^7 - 297*y^2*z^7 + 112*y^3*z^7 + 18*z^8 - 36*y*z^8 + 18*y^2*z^8)*Zeta[3])/((-1 + y)^2*y^2* (-1 + z)^2*z^2*(-1 + y + z)*(y + z)^2)))/Nc + Nc*((((-7*I)/30)*Pi^5*(y - z))/(-1 + y + z) - (374*(y - z)*(-1 + 2*y + z)*(-1 + y + 2*z))/(27*(-1 + y)*(-1 + z)* (y + z)) - (((68*I)/9)*Pi*(y - z)*(-1 + 2*y + z)*(-1 + y + 2*z))/ ((-1 + y)*(-1 + z)*(y + z)) - ((I/6)*Pi^3*(y - z)* (-21*y^2 + 42*y^3 - 21*y^4 - 43*y*z + 147*y^2*z - 125*y^3*z + 21*y^4*z - 21*z^2 + 147*y*z^2 - 209*y^2*z^2 + 81*y^3*z^2 + 42*z^3 - 125*y*z^3 + 81*y^2*z^3 - 21*z^4 + 21*y*z^4))/((-1 + y)*y*(-1 + z)*z* (-1 + y + z)*(y + z)) - (Pi^2*(y - z)*(27*y + 870*y^2 - 2745*y^3 + 2772*y^4 - 924*y^5 + 27*z + 1759*y*z - 8915*y^2*z + 13107*y^3*z - 6694*y^4*z + 716*y^5*z + 870*z^2 - 8915*y*z^2 + 20689*y^2*z^2 - 16112*y^3*z^2 + 3468*y^4*z^2 - 2745*z^3 + 13107*y*z^3 - 16112*y^2*z^3 + 5504*y^3*z^3 + 2772*z^4 - 6694*y*z^4 + 3468*y^2*z^4 - 924*z^5 + 716*y*z^5))/(72*(-1 + y)*y*(-1 + z)*z* (-1 + y + z)^2*(y + z)) - (Pi^4*(y - z)*(492*y - 1968*y^2 + 2952*y^3 - 1968*y^4 + 492*y^5 + 492*z - 4912*y*z + 11584*y^2*z - 11960*y^3*z + 5780*y^4*z - 984*y^5*z - 1968*z^2 + 11584*y*z^2 - 20741*y^2*z^2 + 16792*y^3*z^2 - 5809*y^4*z^2 + 526*y^5*z^2 + 2952*z^3 - 11960*y*z^3 + 16792*y^2*z^3 - 10131*y^3*z^3 + 1963*y^4*z^3 - 1968*z^4 + 5780*y*z^4 - 5809*y^2*z^4 + 1963*y^3*z^4 + 492*z^5 - 984*y*z^5 + 526*y^2*z^5))/ (240*(-1 + y)^2*y*(-1 + z)^2*z*(-1 + y + z)^2) + ((3*Pi^2*y*(-1 + y - 2*z))/(2*(-1 + y + z)^2) - (7*(-1 + y + 2*z)*(27*y - 54*y^2 + 27*y^3 - 4*z + 4*y*z + 4*z^2))/ (6*(-1 + y)^2*z*(-1 + y + z)))*G[0, 0, 0, y] + ((3*Pi^2*(1 + 2*y - z)*z)/(2*(-1 + y + z)^2) + (7*(-1 + 2*y + z)*(-4*y + 4*y^2 + 27*z + 4*y*z - 54*z^2 + 27*z^3))/ (6*y*(-1 + z)^2*(-1 + y + z)))*G[0, 0, 0, z] + (-1/2*(Pi^2*(-3*y^3 + 3*y^4 + 6*z - 16*y*z + 12*y^2*z - 14*y^3*z - 18*z^2 + 32*y*z^2 - 12*y^2*z^2 + 18*z^3 - 16*y*z^3 - 6*z^4))/ (y^2*(-1 + y + z)^2) - (I*Pi*(-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 + 6*y*z - 20*y^2*z + 95*y^3*z - 190*y^4*z + 145*y^5*z - 36*y^6*z - 3*z^2 - 27*y*z^2 + 98*y^2*z^2 - 189*y^3*z^2 + 226*y^4*z^2 - 121*y^5*z^2 + 16*y^6*z^2 + 12*z^3 + 39*y*z^3 - 160*y^2*z^3 + 181*y^3*z^3 - 108*y^4*z^3 + 34*y^5*z^3 - 18*z^4 - 15*y*z^4 + 103*y^2*z^4 - 82*y^3*z^4 + 16*y^4*z^4 + 12*z^5 - 9*y*z^5 - 18*y^2*z^5 + 13*y^3*z^5 - 3*z^6 + 6*y*z^6 - 3*y^2*z^6))/ ((-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)) - (42*y^2 - 60*y^3 - 180*y^4 + 480*y^5 - 390*y^6 + 108*y^7 - 6*z - 26*y*z + 94*y^2*z - 879*y^3*z + 2807*y^4*z - 3571*y^5*z + 1965*y^6*z - 384*y^7*z + 98*z^2 - 18*y*z^2 - 1149*y^2*z^2 + 4304*y^3*z^2 - 7290*y^4*z^2 + 5976*y^5*z^2 - 2131*y^6*z^2 + 210*y^7*z^2 - 388*z^3 + 396*y*z^3 + 2661*y^2*z^3 - 7194*y^3*z^3 + 7618*y^4*z^3 - 3781*y^5*z^3 + 688*y^6*z^3 + 698*z^4 - 956*y*z^4 - 2561*y^2*z^4 + 5456*y^3*z^4 - 3533*y^4*z^4 + 830*y^5*z^4 - 656*z^5 + 1050*y*z^5 + 951*y^2*z^5 - 1791*y^3*z^5 + 578*y^4*z^5 + 316*z^6 - 570*y*z^6 + 24*y^2*z^6 + 164*y^3*z^6 - 62*z^7 + 124*y*z^7 - 62*y^2*z^7)/(4*(-1 + y)^2*y^2*(-1 + z)^2*z* (-1 + y + z)^2))*G[0, 0, 1, y] + (Pi^2*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[0, 0, 1, z])/(2*y^2*(-1 + y + z)^2) + (((-I)*Pi*(6*y - 12*y^2 + 6*y^3 - 3*z - 7*y*z - 8*y^2*z + 6*z^2 + y*z^2 - 3*z^3))/(y^2*(-1 + y + z)) - (-3 - 40*y + 134*y^2 - 133*y^3 + 42*y^4 + 40*z + 32*y*z - 73*y^2*z + y^3*z - 59*z^2 + 30*y*z^2 + 33*y^2*z^2 + 22*z^3 - 22*y*z^3)/ (2*(-1 + y)*y^2*(-1 + y + z)) + (Pi^2*(-y^3 + y^4 - 9*z + 24*y*z - 24*y^2*z - 2*y^3*z + 27*z^2 - 48*y*z^2 + 24*y^2*z^2 - 27*z^3 + 24*y*z^3 + 9*z^4))/(2*y^2*(-1 + y + z)^2))*G[0, 0, 1 - y, z] + ((Pi^2*(-2*y^3 + 2*y^4 + 3*z - 8*y*z + 7*y^2*z - 6*y^3*z - 9*z^2 + 16*y*z^2 - 7*y^2*z^2 + 9*z^3 - 8*y*z^3 - 3*z^4))/ (2*y^2*(-1 + y + z)^2) - (I*Pi*(18*y^3 - 18*y^4 + 19*y^2*z - 72*y^3*z + 38*y^4*z - 19*y*z^2 - 16*y^2*z^2 + 55*y^3*z^2 - 25*y^4*z^2 + 2*y^5*z^2 - 18*z^3 + 114*y*z^3 - 119*y^2*z^3 + 28*y^3*z^3 + 9*y^4*z^3 + 72*z^4 - 246*y*z^4 + 207*y^2*z^4 - 27*y^3*z^4 - 108*z^5 + 226*y*z^5 - 91*y^2*z^5 + 72*z^6 - 75*y*z^6 - 18*z^7))/(y*(-1 + z)^2*z*(-1 + y + z)*(y + z)^2) + (-6*y^3 - 222*y^4 + 636*y^5 - 582*y^6 + 174*y^7 - 18*y^2*z - 238*y^3*z + 1556*y^4*z - 2297*y^5*z + 944*y^6*z + 221*y^7*z - 168*y^8*z - 18*y*z^2 + 334*y^2*z^2 + 4*y^3*z^2 - 1224*y^4*z^2 + 192*y^5*z^2 + 1415*y^6*z^2 - 901*y^7*z^2 + 102*y^8*z^2 - 6*z^3 + 329*y*z^3 - 2228*y^2*z^3 + 4525*y^3*z^3 - 6202*y^4*z^3 + 6011*y^5*z^3 - 2869*y^6*z^3 + 440*y^7*z^3 + 45*z^4 - 1363*y*z^4 + 6316*y^2*z^4 - 12288*y^3*z^4 + 12845*y^4*z^4 - 6521*y^5*z^4 + 1158*y^6*z^4 - 117*z^5 + 2489*y*z^5 - 8832*y^2*z^5 + 13216*y^3*z^5 - 8801*y^4*z^5 + 2045*y^5*z^5 + 141*z^6 - 2315*y*z^6 + 6248*y^2*z^6 - 6218*y^3*z^6 + 2048*y^4*z^6 - 81*z^7 + 1078*y*z^7 - 2002*y^2*z^7 + 1005*y^3*z^7 + 18*z^8 - 200*y*z^8 + 182*y^2*z^8)/(4*(-1 + y)*y^2*(-1 + z)^2*z*(-1 + y + z)^2* (y + z)^2))*G[0, 1, 0, y] + (-((Pi^2*z*(-3 + 2*y + 3*z))/y^2) + (I*Pi*(-1 + 2*y + z)*(-18*y^2 + 36*y^3 - 18*y^4 - 39*y*z + 81*y^2*z - 48*y^3*z + 6*y^4*z - 19*z^2 + 47*y*z^2 - 38*y^2*z^2 + 12*y^3*z^2 + 4*z^3 - 8*y*z^3 + 6*y^2*z^3))/((-1 + y)^2*y* (-1 + y + z)*(y + z)^2) + ((-1 + 2*y + z)*(6*y^3 - 24*y^4 + 42*y^5 - 42*y^6 + 24*y^7 - 6*y^8 + 12*y^2*z - 327*y^3*z + 933*y^4*z - 969*y^5*z + 393*y^6*z - 48*y^7*z + 6*y^8*z + 6*y*z^2 - 681*y^2*z^2 + 2492*y^3*z^2 - 3318*y^4*z^2 + 1878*y^5*z^2 - 401*y^6*z^2 + 24*y^7*z^2 - 312*y*z^3 + 2321*y^2*z^3 - 4506*y^3*z^3 + 3560*y^4*z^3 - 1161*y^5*z^3 + 98*y^6*z^3 + 726*y*z^4 - 2640*y^2*z^4 + 3086*y^3*z^4 - 1448*y^4*z^4 + 210*y^5*z^4 + 6*z^5 - 606*y*z^5 + 1230*y^2*z^5 - 831*y^3*z^5 + 201*y^4*z^5 - 15*z^6 + 204*y*z^6 - 203*y^2*z^6 + 80*y^3*z^6 + 9*z^7 - 18*y*z^7 + 9*y^2*z^7))/(4*(-1 + y)^2*y^2* (-1 + z)*z*(-1 + y + z)^2*(y + z)^2))*G[0, 1, 0, z] + ((I*Pi*(-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3))/ (y^2*z) - (Pi^2*(-3*y^3 + 3*y^4 + 3*z - 8*y*z + 8*y^2*z - 6*y^3*z - 9*z^2 + 16*y*z^2 - 8*y^2*z^2 + 9*z^3 - 8*y*z^3 - 3*z^4))/ (2*y^2*(-1 + y + z)^2) + (12*y^2 - 99*y^3 + 204*y^4 - 117*y^5 - 48*y*z - 51*y^2*z + 434*y^3*z - 456*y^4*z + 117*y^5*z - 12*z^2 + 53*y*z^2 + 251*y^2*z^2 - 544*y^3*z^2 + 248*y^4*z^2 + 5*z^3 + 98*y*z^3 - 308*y^2*z^3 + 209*y^3*z^3 + 29*z^4 - 125*y*z^4 + 100*y^2*z^4 - 22*z^5 + 22*y*z^5)/(2*(-1 + y)*y^2*(-1 + z)*z* (y + z)))*G[0, 1, 1, y] - (Pi^2*z*(-1 + 2*y + z)* (3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)*G[0, 1, 1, z])/ (y^2*(-1 + y + z)^2) - (Pi^2*(-1 + 2*y + z)*(-1 + 2*z)* G[0, 1, 1 - y, z])/(y*(-1 + y + z)) + (((-I)*Pi*(6*y - 12*y^2 + 6*y^3 - 3*z - 7*y*z - 8*y^2*z + 6*z^2 + y*z^2 - 3*z^3))/(y^2*(-1 + y + z)) - (-3 - 40*y + 134*y^2 - 133*y^3 + 42*y^4 + 40*z + 32*y*z - 73*y^2*z + y^3*z - 59*z^2 + 30*y*z^2 + 33*y^2*z^2 + 22*z^3 - 22*y*z^3)/ (2*(-1 + y)*y^2*(-1 + y + z)) - (Pi^2*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 12*y^3*z - 21*y^4*z + 10*y^5*z + 3*y^2*z^2 - 15*y^3*z^2 + 12*y^4*z^2 + 9*z^3 - 24*y*z^3 + 16*y^2*z^3 - 4*y^3*z^3 - 27*z^4 + 48*y*z^4 - 18*y^2*z^4 + 27*z^5 - 24*y*z^5 - 9*z^6))/(2*y^2*z^2* (-1 + y + z)^2))*G[0, 1 - y, 0, z] + (Pi^2*z*(-9 + 24*y - 22*y^2 + 4*y^3 + 27*z - 48*y*z + 22*y^2*z - 27*z^2 + 24*y*z^2 + 9*z^3)*G[0, 1 - y, 1, z])/ (2*y^2*(-1 + y + z)^2) + (((-I)*Pi*(-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3))/(y^2*z) - (12*y + 75*y^2 - 183*y^3 + 96*y^4 + 12*z - 12*y*z - 131*y^2*z + 131*y^3*z + 7*z^2 - 102*y*z^2 + 99*y^2*z^2 - 22*z^3 + 22*y*z^3)/(2*(-1 + y)*y^2*z) + (Pi^2*(-y^2 + 4*y^3 - 5*y^4 + 2*y^5 - y*z + 6*y^2*z - 8*y^3*z + 3*y^4*z + 6*z^2 - 12*y*z^2 + y^2*z^2 + 6*y^3*z^2 - 18*z^3 + 27*y*z^3 - 6*y^2*z^3 + 18*z^4 - 14*y*z^4 - 6*z^5))/ (2*y^2*z*(-1 + y + z)^2))*G[0, 1 - y, 1 - y, z] + ((I*Pi*(-y^2 + 22*y^3 - 41*y^4 + 20*y^5 - 24*y*z + 73*y^2*z - 113*y^3*z + 104*y^4*z - 40*y^5*z + 3*z^2 + 80*y*z^2 - 215*y^2*z^2 + 192*y^3*z^2 - 80*y^4*z^2 + 18*y^5*z^2 - 9*z^3 - 82*y*z^3 + 213*y^2*z^3 - 139*y^3*z^3 + 21*y^4*z^3 + 9*z^4 + 20*y*z^4 - 67*y^2*z^4 + 36*y^3*z^4 - 3*z^5 + 6*y*z^5 - 3*y^2*z^5))/((-1 + y)^2*y^2*(-1 + z)^2*z) - (Pi^2*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 8*y^3*z - 16*y^4*z + 8*y^5*z - y*z^2 + 3*y^2*z^2 - 9*y^3*z^2 + 7*y^4*z^2 - 18*z^3 + 52*y*z^3 - 49*y^2*z^3 + 22*y^3*z^3 + 54*z^4 - 101*y*z^4 + 46*y^2*z^4 - 54*z^5 + 50*y*z^5 + 18*z^6))/ (2*y^2*z^2*(-1 + y + z)^2) + (-12*y + 54*y^2 - 336*y^3 + 810*y^4 - 768*y^5 + 252*y^6 + 295*y*z - 1304*y^2*z + 3061*y^3*z - 4066*y^4*z + 2690*y^5*z - 676*y^6*z - 53*z^2 - 1040*y*z^2 + 4527*y^2*z^2 - 7408*y^3*z^2 + 6117*y^4*z^2 - 2501*y^5*z^2 + 358*y^6*z^2 + 212*z^3 + 1370*y*z^3 - 6102*y^2*z^3 + 7521*y^3*z^3 - 3778*y^4*z^3 + 711*y^5*z^3 - 318*z^4 - 634*y*z^4 + 3516*y^2*z^4 - 3283*y^3*z^4 + 851*y^4*z^4 + 212*z^5 - 85*y*z^5 - 638*y^2*z^5 + 445*y^3*z^5 - 53*z^6 + 106*y*z^6 - 53*y^2*z^6)/ (4*(-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)))*G[0, -y, 1 - y, z] + ((I*Pi*(18*y - 36*y^2 + 18*y^3 - 35*y*z + 35*y^2*z - 6*z^2 + 26*y*z^2 + 6*z^3))/(z*(-1 + y + z)^2) - (Pi^2*(-2*y + 6*y^2 - 5*y^3 + y^4 - 6*z + 24*y*z - 30*y^2*z + 14*y^3*z + 18*z^2 - 42*y*z^2 + 24*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4))/(2*y^2*(-1 + y + z)^2) + (-42*y + 231*y^2 - 453*y^3 + 381*y^4 - 117*y^5 - 38*z + 375*y*z - 1044*y^2*z + 1304*y^3*z - 714*y^4*z + 117*y^5*z + 148*z^2 - 814*y*z^2 + 1519*y^2*z^2 - 1238*y^3*z^2 + 337*y^4*z^2 - 227*z^3 + 759*y*z^3 - 919*y^2*z^3 + 387*y^3*z^3 + 159*z^4 - 320*y*z^4 + 209*y^2*z^4 - 42*z^5 + 42*y*z^5)/(2*(-1 + y)*(-1 + z)*z*(-1 + y + z)^2*(y + z)))* G[1, 0, 0, y] + (-((Pi^2*(-1 + z)*z*(3 - 8*y + 8*y^2 - 6*z + 8*y*z + 3*z^2))/(y^2*(-1 + y + z)^2)) - (I*Pi*(-1 + 2*y + z)* (-6*y + 6*y^2 + 3*z - 8*y*z + 14*y^2*z - 6*z^2 + 14*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)^2) - ((-1 + 2*y + z)*(-3*y - 5*y^2 + 16*y^3 - 8*y^4 - 3*z + 42*y*z - 53*y^2*z + 44*y^3*z - 30*y^4*z + 43*z^2 - 176*y*z^2 + 251*y^2*z^2 - 184*y^3*z^2 + 62*y^4*z^2 - 99*z^3 + 284*y*z^3 - 301*y^2*z^3 + 124*y^3*z^3 + 81*z^4 - 169*y*z^4 + 84*y^2*z^4 - 22*z^5 + 22*y*z^5))/(2*(-1 + y)*y^2*(-1 + z)*(-1 + y + z)^2* (y + z)))*G[1, 0, 0, z] + ((Pi^2*(-y + 3*y^2 - 3*y^3 + y^4 + 12*z - 28*y*z + 22*y^2*z - 36*z^2 + 59*y*z^2 - 25*y^2*z^2 + 36*z^3 - 30*y*z^3 - 12*z^4))/ (2*y^2*(-1 + y + z)^2) - (I*Pi*(-18*y + 54*y^2 - 54*y^3 + 18*y^4 - 3*z + 82*y*z - 193*y^2*z + 152*y^3*z - 38*y^4*z + 31*z^2 - 200*y*z^2 + 329*y^2*z^2 - 177*y^3*z^2 + 15*y^4*z^2 + 2*y^5*z^2 - 75*z^3 + 270*y*z^3 - 322*y^2*z^3 + 124*y^3*z^3 + y^4*z^3 + 69*z^4 - 178*y*z^4 + 156*y^2*z^4 - 43*y^3*z^4 - 22*z^5 + 44*y*z^5 - 24*y^2*z^5))/((-1 + y)^2*y*(-1 + z)^2*z* (-1 + y + z)) + (-66*y^2 + 84*y^3 + 318*y^4 - 798*y^5 + 636*y^6 - 174*y^7 + 12*y*z - 17*y^2*z + 1049*y^3*z - 3784*y^4*z + 5216*y^5*z - 3431*y^6*z + 1123*y^7*z - 168*y^8*z - 18*z^2 - 11*y*z^2 + 1321*y^2*z^2 - 6661*y^3*z^2 + 13106*y^4*z^2 - 12405*y^5*z^2 + 5825*y^6*z^2 - 1259*y^7*z^2 + 102*y^8*z^2 + 90*z^3 + 206*y*z^3 - 4809*y^2*z^3 + 15137*y^3*z^3 - 20432*y^4*z^3 + 13330*y^5*z^3 - 3898*y^6*z^3 + 376*y^7*z^3 - 192*z^4 - 909*y*z^4 + 8077*y^2*z^4 - 17250*y^3*z^4 + 16190*y^4*z^4 - 6784*y^5*z^4 + 934*y^6*z^4 + 225*z^5 + 1409*y*z^5 - 6937*y^2*z^5 + 10193*y^3*z^5 - 6331*y^4*z^5 + 1375*y^5*z^5 - 153*z^6 - 914*y*z^6 + 2829*y^2*z^6 - 2761*y^3*z^6 + 933*y^4*z^6 + 57*z^7 + 189*y*z^7 - 389*y^2*z^7 + 209*y^3*z^7 - 9*z^8 + 18*y*z^8 - 9*y^2*z^8)/(4*(-1 + y)^2*y^2*(-1 + z)^2*z* (-1 + y + z)^2*(y + z)))*G[1, 0, 1, y] - (3*Pi^2*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[1, 0, 1, z])/(2*y^2*(-1 + y + z)^2) + ((I*Pi*(-2*y + 2*y^2 + 3*z - 7*y*z + 24*y^2*z - 6*z^2 + 9*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) + (Pi^2*(y - 3*y^2 + 2*y^3 - 9*z + 20*y*z - 11*y^2*z + 4*y^3*z + 27*z^2 - 43*y*z^2 + 14*y^2*z^2 - 27*z^3 + 22*y*z^3 + 9*z^4))/(2*y^2*(-1 + y + z)^2) + (3*y - 3*y^2 - 3*z - 6*y*z - y^2*z + 8*y^3*z - 4*y^4*z - 3*z^2 + 96*y*z^2 - 129*y^2*z^2 + 32*y^3*z^2 + 4*y^4*z^2 - 20*z^3 - 28*y*z^3 - 222*y^2*z^3 + 254*y^3*z^3 + 114*z^4 - 223*y*z^4 + 355*y^2*z^4 - 141*z^5 + 158*y*z^5 + 53*z^6)/ (4*y^2*z^2*(-1 + y + z)^2))*G[1, 0, 1 - y, z] + (-((Pi^2*(-2*y + 2*y^2 - 9*z + 10*y*z + 9*z^2))/y^2) - (I*Pi*(-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 - 19*y^2*z + 151*y^3*z - 275*y^4*z + 179*y^5*z - 36*y^6*z + 19*y*z^2 + 46*y^2*z^2 - 385*y^3*z^2 + 486*y^4*z^2 - 191*y^5*z^2 + 16*y^6*z^2 + 18*z^3 - 145*y*z^3 + 30*y^2*z^3 + 425*y^3*z^3 - 353*y^4*z^3 + 62*y^5*z^3 - 90*z^4 + 376*y*z^4 - 168*y^2*z^4 - 204*y^3*z^4 + 86*y^4*z^4 + 180*z^5 - 448*y*z^5 + 157*y^2*z^5 + 31*y^3*z^5 - 180*z^6 + 253*y*z^6 - 46*y^2*z^6 + 90*z^7 - 55*y*z^7 - 18*z^8))/ (y*(-1 + z)^2*z*(-1 + y + z)^2*(y + z)^2) - (-150*y^4 + 408*y^5 - 366*y^6 + 108*y^7 - 101*y^3*z + 1053*y^4*z - 2041*y^5*z + 1479*y^6*z - 384*y^7*z + 369*y^2*z^2 - 234*y^3*z^2 - 2690*y^4*z^2 + 4206*y^5*z^2 - 2027*y^6*z^2 + 210*y^7*z^2 + 272*y*z^3 - 2237*y^2*z^3 + 1558*y^3*z^3 + 3592*y^4*z^3 - 3751*y^5*z^3 + 782*y^6*z^3 + 18*z^4 - 1292*y*z^4 + 4985*y^2*z^4 - 2268*y^3*z^4 - 2407*y^4*z^4 + 1112*y^5*z^4 - 66*z^5 + 2436*y*z^5 - 5259*y^2*z^5 + 1303*y^3*z^5 + 602*y^4*z^5 + 90*z^6 - 2288*y*z^6 + 2666*y^2*z^6 - 258*y^3*z^6 - 54*z^7 + 1076*y*z^7 - 524*y^2*z^7 + 12*z^8 - 204*y*z^8)/(4*y^2*(-1 + z)^2*z*(-1 + y + z)^2*(y + z)^2))* G[1, 1, 0, y] + G[1 - y, -y, z]* ((-6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[0, 1, 0, y])/(y^2*z^2) + (6*(-1 + y + z)*(3*y + z)* G[0, 1, 1, y])/z^2 + (6*(-1 + y + z)*(3*y + z)*G[1, 0, 1, y])/ z^2 - (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[1, 1, 0, y])/(y^2*z^2)) + (((-I)*Pi*(-1 + 2*y + z)*(-4*y + 4*y^2 + 3*z - 18*y*z + 22*y^2*z - 6*z^2 + 22*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)^2) - (Pi^2*z*(-9 + 24*y - 19*y^2 + 10*y^3 + 27*z - 48*y*z + 19*y^2*z - 27*z^2 + 24*y*z^2 + 9*z^3))/(2*y^2*(-1 + y + z)^2) - ((-1 + 2*y + z)*(3*y^2 - 15*y^4 + 18*y^5 - 6*y^6 + 24*y^2*z - 78*y^3*z + 84*y^4*z - 36*y^5*z + 6*y^6*z - 3*z^2 + 42*y*z^2 - 86*y^2*z^2 + 70*y^3*z^2 - 41*y^4*z^2 + 18*y^5*z^2 + 18*z^3 - 116*y*z^3 + 326*y^2*z^3 - 494*y^3*z^3 + 266*y^4*z^3 - 89*z^4 + 462*y*z^4 - 871*y^2*z^4 + 502*y^3*z^4 + 136*z^5 - 450*y*z^5 + 310*y^2*z^5 - 62*z^6 + 62*y*z^6))/(4*(-1 + y)*y^2*z^2* (-1 + y + z)^2*(y + z)))*G[1, 1, 0, z] + ((-7*(y - z)*(-27*y^2 + 27*y^3 - 50*y*z + 81*y^2*z - 27*z^2 + 81*y*z^2 + 27*z^3))/(6*y*z*(y + z)^2) + (Pi^2*(-5*y + 15*y^2 - 15*y^3 + 5*y^4 - 24*z + 84*y*z - 99*y^2*z + 30*y^3*z + 72*z^2 - 153*y*z^2 + 84*y^2*z^2 - 72*z^3 + 74*y*z^3 + 24*z^4))/(2*y^2*(-1 + y + z)^2))*G[1, 1, 1, y] + G[-y, 0, z]*((-6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[0, 1, 0, y])/(y^2*z^2) + (6*(-1 + y + z)*(3*y + z)*G[0, 1, 1, y])/z^2 + (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[1, 0, 0, y])/(y^2*z^2) + (6*(-1 + y + z)*(3*y + z)* G[1, 0, 1, y])/z^2 - (3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[1, 1, 0, y])/(y^2*z^2) - (9*(-1 + y + z)*(3*y + z)*G[1, 1, 1, y])/z^2) + G[0, -y, z]*((((6*I)*Pi*(-1 + y + z)*(y + 3*z))/y^2 + (-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^2*z + 4*y^3*z - 12*y^4*z + 8*y^5*z - 31*y*z^2 + 102*y^2*z^2 - 124*y^3*z^2 + 54*y^4*z^2 - 27*z^3 + 190*y*z^3 - 330*y^2*z^3 + 170*y^3*z^3 + 81*z^4 - 292*y*z^4 + 224*y^2*z^4 - 81*z^5 + 130*y*z^5 + 27*z^6)/ (2*y^2*z^2*(-1 + y + z)^2))*G[1, 0, y] + (((-6*I)*Pi*(-1 + y + z)*(y + 3*z))/y^2 - (-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - 35*y^2*z + 154*y^3*z - 209*y^4*z + 96*y^5*z - 6*y^6*z - 75*y*z^2 + 342*y^2*z^2 - 616*y^3*z^2 + 511*y^4*z^2 - 165*y^5*z^2 + 3*y^6*z^2 - 27*z^3 + 362*y*z^3 - 920*y^2*z^3 + 928*y^3*z^3 - 421*y^4*z^3 + 74*y^5*z^3 + 81*z^4 - 553*y*z^4 + 983*y^2*z^4 - 621*y^3*z^4 + 118*y^4*z^4 - 81*z^5 + 320*y*z^5 - 397*y^2*z^5 + 154*y^3*z^5 + 27*z^6 - 54*y*z^6 + 27*y^2*z^6)/(2*(-1 + y)^2*y^2*(-1 + z)^2* z^2))*G[1, 1, y] - (3*y*(-1 + y - 2*z)*G[0, 0, 1, y])/ (-1 + y + z)^2 + (3*(-3*y^3 + 3*y^4 + 2*y^3*z - 15*z^3 + 10*y*z^3 + 15*z^4)*G[0, 1, 0, y])/(y^2*z^2) - (3*(-1 + y + z)*(3*y + z)* G[0, 1, 1, y])/z^2 - (3*(-2*y + 6*y^2 - 5*y^3 + y^4 - 6*z + 24*y*z - 30*y^2*z + 14*y^3*z + 18*z^2 - 42*y*z^2 + 24*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4)*G[1, 0, 0, y])/(y^2*(-1 + y + z)^2) - (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - z + 12*y*z - 21*y^2*z + 10*y^3*z + 3*z^2 - 14*y*z^2 + 11*y^2*z^2 - 2*z^3 + 10*y*z^3)* G[1, 0, 1, y])/(z^2*(-1 + y + z)^2) + (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 8*y^3*z - 16*y^4*z + 8*y^5*z + y*z^2 - 3*y^2*z^2 - 3*y^3*z^2 + 5*y^4*z^2 - 12*z^3 + 28*y*z^3 - 20*y^2*z^3 + 8*y^3*z^3 + 36*z^4 - 59*y*z^4 + 23*y^2*z^4 - 36*z^5 + 30*y*z^5 + 12*z^6)*G[1, 1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) + (9*(-1 + y + z)*(y + 3*z)*G[1, 1, 1, y])/ y^2) + G[-y, -y, z]*((-6*(-1 + y + z)*(3*y + z)*G[0, 0, 1, y])/ z^2 + (12*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[0, 1, 0, y])/(y^2*z^2) + (6*(-1 + y + z)*(3*y + z)*G[0, 1, 1, y])/z^2 + (6*(-1 + y + z)*(y + 3*z)*G[1, 0, 0, y])/y^2 + (6*(-1 + y + z)*(3*y + z)*G[1, 0, 1, y])/z^2 + (3*(-12*y^3 + 12*y^4 + 8*y^3*z - y*z^2 + y^2*z^2 + 9*z^3 - 4*y*z^3 - 9*z^4)*G[1, 1, 0, y])/(y^2*z^2) + (9*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[1, 1, 1, y])/(y^2*z^2)) + (Pi^2*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[1, 1, 1, z])/(2*y^2*(-1 + y + z)^2) + (Pi^2*(-4*y + 12*y^2 - 8*y^3 - 15*z + 56*y*z - 68*y^2*z + 32*y^3*z + 45*z^2 - 100*y*z^2 + 56*y^2*z^2 - 45*z^3 + 48*y*z^3 + 15*z^4)* G[1, 1, 1 - y, z])/(2*y^2*(-1 + y + z)^2) + ((I*Pi*(-2*y + 2*y^2 + 3*z - 7*y*z + 24*y^2*z - 6*z^2 + 9*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) + (Pi^2*z*(-6 + 16*y - 13*y^2 + 6*y^3 + 18*z - 32*y*z + 13*y^2*z - 18*z^2 + 16*y*z^2 + 6*z^3))/ (y^2*(-1 + y + z)^2) + (3*y - 3*y^2 - 3*z - 6*y*z - y^2*z + 8*y^3*z - 4*y^4*z - 3*z^2 + 96*y*z^2 - 129*y^2*z^2 + 32*y^3*z^2 + 4*y^4*z^2 - 20*z^3 - 28*y*z^3 - 222*y^2*z^3 + 254*y^3*z^3 + 114*z^4 - 223*y*z^4 + 355*y^2*z^4 - 141*z^5 + 158*y*z^5 + 53*z^6)/ (4*y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, 0, z] - (Pi^2*z*(6 - 16*y + 17*y^2 + 2*y^3 - 18*z + 32*y*z - 17*y^2*z + 18*z^2 - 16*y*z^2 - 6*z^3)*G[1, 1 - y, 1, z])/ (2*y^2*(-1 + y + z)^2) - (Pi^2*(-2*y + 6*y^2 - 4*y^3 - 18*z + 56*y*z - 61*y^2*z + 18*y^3*z + 54*z^2 - 106*y*z^2 + 55*y^2*z^2 - 54*z^3 + 52*y*z^3 + 18*z^4)*G[1, 1 - y, 1 - y, z])/ (2*y^2*(-1 + y + z)^2) + (((-I)*Pi*(6*y - 12*y^2 + 6*y^3 - 3*z - 7*y*z - 8*y^2*z + 6*z^2 + y*z^2 - 3*z^3))/(y^2*(-1 + y + z)) - (-3 - 40*y + 134*y^2 - 133*y^3 + 42*y^4 + 40*z + 32*y*z - 73*y^2*z + y^3*z - 59*z^2 + 30*y*z^2 + 33*y^2*z^2 + 22*z^3 - 22*y*z^3)/ (2*(-1 + y)*y^2*(-1 + y + z)) + (Pi^2*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - 2*y^2*z + 24*y^3*z - 42*y^4*z + 20*y^5*z + 6*y^2*z^2 - 30*y^3*z^2 + 24*y^4*z^2 - 6*z^3 + 16*y*z^3 - 21*y^2*z^3 + 14*y^3*z^3 + 18*z^4 - 32*y*z^4 + 17*y^2*z^4 - 18*z^5 + 16*y*z^5 + 6*z^6))/(2*y^2*z^2*(-1 + y + z)^2))*G[1 - y, 0, 0, z] + (Pi^2*(-3*y^3 + 3*y^4 - y^2*z + 4*y^3*z + y^2*z^2 - 9*z^3 + 6*y*z^3 + 9*z^4)*G[1 - y, 0, 1, z])/(2*y^2*z^2) + (((-I)*Pi*(-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3))/(y^2*z) - (12*y + 75*y^2 - 183*y^3 + 96*y^4 + 12*z - 12*y*z - 131*y^2*z + 131*y^3*z + 7*z^2 - 102*y*z^2 + 99*y^2*z^2 - 22*z^3 + 22*y*z^3)/(2*(-1 + y)*y^2*z) + (Pi^2*(3*y^3 - 6*y^4 + 3*y^5 - 2*y^2*z + y^3*z + y^4*z + y*z^2 + 2*y^2*z^2 - 2*y^3*z^2 - 3*z^3 + 2*y*z^3 - 2*y^2*z^3 + 6*z^4 - 3*y*z^4 - 3*z^5))/(2*y^2*z^2*(-1 + y + z)))* G[1 - y, 0, 1 - y, z] + ((Pi^2*(-3*y^3 + 3*y^4 - y^2*z + 4*y^3*z + y^2*z^2 - 6*z^3 + 4*y*z^3 + 6*z^4))/(2*y^2*z^2) + (I*Pi*(16*y^3 - 66*y^4 + 120*y^5 - 106*y^6 + 36*y^7 + 38*y^2*z - 212*y^3*z + 445*y^4*z - 403*y^5*z + 132*y^6*z + 23*y*z^2 - 218*y^2*z^2 + 576*y^3*z^2 - 584*y^4*z^2 + 201*y^5*z^2 + 3*z^3 - 82*y*z^3 + 315*y^2*z^3 - 393*y^3*z^3 + 153*y^4*z^3 - 6*z^4 + 65*y*z^4 - 112*y^2*z^4 + 51*y^3*z^4 + 3*z^5 - 6*y*z^5 + 3*y^2*z^5))/((-1 + y)^2*y^2*(-1 + y + z)* (y + z)^2) + (-6*y^3 - 18*y^4 + 84*y^5 - 90*y^6 + 30*y^7 - 12*y^2*z + 141*y^3*z - 664*y^4*z + 1509*y^5*z - 1530*y^6*z + 556*y^7*z - 6*y*z^2 + 488*y^2*z^2 - 2587*y^3*z^2 + 5747*y^4*z^2 - 5556*y^5*z^2 + 1914*y^6*z^2 + 316*y*z^3 - 2662*y^2*z^3 + 7285*y^3*z^3 - 7822*y^4*z^3 + 2817*y^5*z^3 + 53*z^4 - 1061*y*z^4 + 4019*y^2*z^4 - 5312*y^3*z^4 + 2169*y^4*z^4 - 106*z^5 + 869*y*z^5 - 1592*y^2*z^5 + 763*y^3*z^5 + 53*z^6 - 106*y*z^6 + 53*y^2*z^6)/ (4*(-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)^2))*G[1 - y, 1, 0, z] - (Pi^2*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - y^2*z + 20*y^3*z - 37*y^4*z + 18*y^5*z + 3*y^2*z^2 - 22*y^3*z^2 + 19*y^4*z^2 - 6*z^3 + 16*y*z^3 - 18*y^2*z^3 + 10*y^3*z^3 + 18*z^4 - 32*y*z^4 + 16*y^2*z^4 - 18*z^5 + 16*y*z^5 + 6*z^6)*G[1 - y, 1, 1, z])/ (2*y^2*z^2*(-1 + y + z)^2) + (Pi^2*(3*y^3 - 6*y^4 + 3*y^5 - 5*y^3*z + 5*y^4*z - 5*y*z^2 + 10*y^2*z^2 - 4*y^3*z^2 - 15*z^3 + 40*y*z^3 - 24*y^2*z^3 + 30*z^4 - 35*y*z^4 - 15*z^5)*G[1 - y, 1, 1 - y, z])/ (2*y^2*z^2*(-1 + y + z)) + (((-I)*Pi*(-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3))/(y^2*z) - (12*y + 75*y^2 - 183*y^3 + 96*y^4 + 12*z - 12*y*z - 131*y^2*z + 131*y^3*z + 7*z^2 - 102*y*z^2 + 99*y^2*z^2 - 22*z^3 + 22*y*z^3)/(2*(-1 + y)*y^2*z) + (Pi^2*(-15*y^3 + 15*y^4 - 3*y^2*z + 16*y^3*z + 3*y^2*z^2 + 9*z^3 - 6*y*z^3 - 9*z^4))/(2*y^2*z^2))*G[1 - y, 1 - y, 0, z] - (Pi^2*(-3*y^3 + 3*y^4 - y^2*z + 4*y^3*z + y^2*z^2 - 3*z^3 + 2*y*z^3 + 3*z^4)*G[1 - y, 1 - y, 1, z])/(2*y^2*z^2) + ((-3*Pi^2*(y - z)*(-6*y^2 + 6*y^3 - 7*y*z + 12*y^2*z - 6*z^2 + 12*y*z^2 + 6*z^3))/(2*y^2*z^2) - (7*(y - z)*(-27*y^2 + 27*y^3 - 50*y*z + 81*y^2*z - 27*z^2 + 81*y*z^2 + 27*z^3))/(6*y*z*(y + z)^2))*G[1 - y, 1 - y, 1 - y, z] + ((Pi^2*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(y^2*z^2) - (I*Pi*(y - z)*(15 - 26*y + 7*y^2 + 4*y^3 - 26*z + 45*y*z - 11*y^2*z - 8*y^3*z + 7*z^2 - 11*y*z^2 - 4*y^2*z^2 + 6*y^3*z^2 + 4*z^3 - 8*y*z^3 + 6*y^2*z^3))/ ((-1 + y)^2*y*(-1 + z)^2*z) + ((y - z)*(3*y - 24*y^2 + 75*y^3 - 120*y^4 + 105*y^5 - 48*y^6 + 9*y^7 + 3*z + 177*y^2*z - 498*y^3*z + 399*y^4*z - 48*y^5*z - 15*y^6*z - 18*y^7*z - 24*z^2 + 177*y*z^2 - 660*y^2*z^2 + 862*y^3*z^2 - 300*y^4*z^2 - 78*y^5*z^2 + 14*y^6*z^2 + 9*y^7*z^2 + 75*z^3 - 498*y*z^3 + 862*y^2*z^3 - 552*y^3*z^3 + 19*y^4*z^3 + 111*y^5*z^3 - 17*y^6*z^3 - 120*z^4 + 399*y*z^4 - 300*y^2*z^4 + 19*y^3*z^4 + 158*y^4*z^4 - 90*y^5*z^4 + 105*z^5 - 48*y*z^5 - 78*y^2*z^5 + 111*y^3*z^5 - 90*y^4*z^5 - 48*z^6 - 15*y*z^6 + 14*y^2*z^6 - 17*y^3*z^6 + 9*z^7 - 18*y*z^7 + 9*y^2*z^7))/(4*(-1 + y)^2*y^2* (-1 + z)^2*z^2*(-1 + y + z)*(y + z)))*G[1 - y, -y, 1 - y, z] + (Pi^2*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 0, 1, z])/(2*y^2*z^2) + (((-I)*Pi*(-18*y^2 + 18*y^3 + 5*y*z + 15*y^2*z - 3*z^2 + 3*z^3))/ (y^2*z) + (Pi^2*(-9*y^3 + 9*y^4 - y^2*z + 8*y^3*z + y^2*z^2 + 6*z^3 - 4*y*z^3 - 6*z^4))/(2*y^2*z^2) - (6*y^2 - 33*y^3 + 45*y^4 - 18*y^5 + 12*y*z - 245*y^2*z + 672*y^3*z - 627*y^4*z + 194*y^5*z + 6*z^2 - 4*y*z^2 + 579*y^2*z^2 - 1168*y^3*z^2 + 587*y^4*z^2 - 86*z^3 + 156*y*z^3 - 700*y^2*z^3 + 646*y^3*z^3 + 204*z^4 - 318*y*z^4 + 360*y^2*z^4 - 177*z^5 + 160*y*z^5 + 53*z^6)/(4*y^2*z^2*(-1 + y + z)^2))* G[-y, 0, 1 - y, z] + (((-I)*Pi*(-18*y^2 + 18*y^3 + 5*y*z + 15*y^2*z - 3*z^2 + 3*z^3))/(y^2*z) + (Pi^2*(-6*y^3 + 6*y^4 - y^2*z + 6*y^3*z + y^2*z^2 + 3*z^3 - 2*y*z^3 - 3*z^4))/(2*y^2*z^2) - (6*y^2 - 33*y^3 + 45*y^4 - 18*y^5 + 12*y*z - 245*y^2*z + 672*y^3*z - 627*y^4*z + 194*y^5*z + 6*z^2 - 4*y*z^2 + 579*y^2*z^2 - 1168*y^3*z^2 + 587*y^4*z^2 - 86*z^3 + 156*y*z^3 - 700*y^2*z^3 + 646*y^3*z^3 + 204*z^4 - 318*y*z^4 + 360*y^2*z^4 - 177*z^5 + 160*y*z^5 + 53*z^6)/(4*y^2*z^2*(-1 + y + z)^2))* G[-y, 1 - y, 0, z] + (Pi^2*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 1 - y, 1, z])/ (2*y^2*z^2) + (((-I)*Pi*(y - z)*(-3*y^2 + 3*y^3 + 14*y*z - 5*y^2*z - 3*z^2 - 5*y*z^2 + 3*z^3))/(y^2*z^2) - (Pi^2*(y - z)*(-6*y^2 + 6*y^3 - 7*y*z + 12*y^2*z - 6*z^2 + 12*y*z^2 + 6*z^3))/(2*y^2*z^2) - ((y - z)*(-12*y^2 + 5*y^3 + 29*y^4 - 22*y^5 - 48*y*z + 133*y^2*z - 56*y^3*z - 51*y^4*z + 22*y^5*z - 12*z^2 + 133*y*z^2 - 194*y^2*z^2 + 51*y^3*z^2 + 26*y^4*z^2 + 5*z^3 - 56*y*z^3 + 51*y^2*z^3 + 8*y^3*z^3 + 29*z^4 - 51*y*z^4 + 26*y^2*z^4 - 22*z^5 + 22*y*z^5))/(2*(-1 + y)*y^2*(-1 + z)*z^2*(y + z)))* G[-y, 1 - y, 1 - y, z] + (((-I)*Pi*(y - z)*(-3*y^2 + 3*y^3 + 20*y*z - 13*y^2*z - 3*z^2 - 13*y*z^2 + 3*z^3))/(y^2*z^2) - (Pi^2*(y - z)*(-15*y^2 + 15*y^3 - 16*y*z + 27*y^2*z - 15*z^2 + 27*y*z^2 + 15*z^3))/(2*y^2*z^2) - ((y - z)*(-53*y^2 + 218*y^3 - 339*y^4 + 236*y^5 - 62*y^6 + 188*y*z - 450*y^2*z + 172*y^3*z + 322*y^4*z - 294*y^5*z + 62*y^6*z - 53*z^2 - 450*y*z^2 + 1316*y^2*z^2 - 1014*y^3*z^2 + 139*y^4*z^2 + 62*y^5*z^2 + 218*z^3 + 172*y*z^3 - 1014*y^2*z^3 + 742*y^3*z^3 - 118*y^4*z^3 - 339*z^4 + 322*y*z^4 + 139*y^2*z^4 - 118*y^3*z^4 + 236*z^5 - 294*y*z^5 + 62*y^2*z^5 - 62*z^6 + 62*y*z^6))/ (4*(-1 + y)*y^2*(-1 + z)*z^2*(-1 + y + z)^2))*G[-y, -y, 1 - y, z] + (((-6*I)*Pi*(y - z))/(-1 + y + z) - (-14*y + 36*y^2 - 63*y^3 + 41*y^4 + 9*z - 18*y*z + 125*y^2*z + 8*y^3*z - 97*y^4*z + 6*y^5*z - 45*z^2 + 197*y*z^2 - 594*y^2*z^2 + 173*y^3*z^2 + 56*y^4*z^2 + 90*z^3 - 352*y*z^3 + 669*y^2*z^3 - 118*y^3*z^3 - 90*z^4 + 255*y*z^4 - 236*y^2*z^4 + 45*z^5 - 68*y*z^5 - 9*z^6)/ (2*y^2*(-1 + z)^2*(-1 + y + z)^2))*G[0, 0, 0, 1, y] + ((14*y - 28*y^2 + 14*y^3 - 9*z - 9*y*z - 36*y^2*z + 18*z^2 - 5*y*z^2 - 9*z^3)*G[0, 0, 0, 1 - y, z])/(2*y^2*(-1 + y + z)) + (((6*I)*Pi*(-y^3 + y^4 + 3*z - 8*y*z + 7*y^2*z - 4*y^3*z - 9*z^2 + 16*y*z^2 - 7*y^2*z^2 + 9*z^3 - 8*y*z^3 - 3*z^4))/ (y^2*(-1 + y + z)^2) - (-18*y^4 + 99*y^5 - 216*y^6 + 234*y^7 - 126*y^8 + 27*y^9 - 15*y^3*z + 185*y^4*z - 609*y^5*z + 995*y^6*z - 846*y^7*z + 344*y^8*z - 54*y^9*z + 60*y^3*z^2 - 459*y^4*z^2 + 1298*y^5*z^2 - 1754*y^6*z^2 + 1107*y^7*z^2 - 301*y^8*z^2 + 25*y^9*z^2 - 32*y*z^3 + 85*y^2*z^3 - 149*y^3*z^3 + 547*y^4*z^3 - 1389*y^5*z^3 + 1463*y^6*z^3 - 608*y^7*z^3 + 83*y^8*z^3 - 27*z^4 + 225*y*z^4 - 479*y^2*z^4 + 448*y^3*z^4 - 528*y^4*z^4 + 870*y^5*z^4 - 578*y^6*z^4 + 117*y^7*z^4 + 114*z^5 - 584*y*z^5 + 1022*y^2*z^5 - 802*y^3*z^5 + 478*y^4*z^5 - 318*y^5*z^5 + 90*y^6*z^5 - 192*z^6 + 746*y*z^6 - 1062*y^2*z^6 + 681*y^3*z^6 - 244*y^4*z^6 + 47*y^5*z^6 + 162*z^7 - 504*y*z^7 + 561*y^2*z^7 - 258*y^3*z^7 + 39*y^4*z^7 - 69*z^8 + 173*y*z^8 - 139*y^2*z^8 + 35*y^3*z^8 + 12*z^9 - 24*y*z^9 + 12*y^2*z^9)/((-1 + y)^2*y^2* (-1 + z)^2*z*(-1 + y + z)^2*(y + z)^2))*G[0, 0, 1, 0, y] + (((6*I)*Pi*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2))/ (y^2*(-1 + y + z)^2) - ((-1 + 2*y + z)*(18*y^4 - 72*y^5 + 108*y^6 - 72*y^7 + 18*y^8 + 79*y^3*z - 345*y^4*z + 597*y^5*z - 511*y^6*z + 216*y^7*z - 36*y^8*z + 56*y^2*z^2 - 527*y^3*z^2 + 1334*y^4*z^2 - 1491*y^5*z^2 + 826*y^6*z^2 - 216*y^7*z^2 + 18*y^8*z^2 - 63*y*z^3 - 127*y^2*z^3 + 1114*y^3*z^3 - 1968*y^4*z^3 + 1479*y^5*z^3 - 507*y^6*z^3 + 72*y^7*z^3 - 54*z^4 + 305*y*z^4 - 154*y^2*z^4 - 746*y^3*z^4 + 1130*y^4*z^4 - 585*y^5*z^4 + 108*y^6*z^4 + 174*z^5 - 629*y*z^5 + 679*y^2*z^5 - 89*y^3*z^5 - 211*y^4*z^5 + 72*y^5*z^5 - 210*z^6 + 619*y*z^6 - 624*y^2*z^6 + 217*y^3*z^6 - 6*y^4*z^6 + 114*z^7 - 280*y*z^7 + 218*y^2*z^7 - 48*y^3*z^7 - 24*z^8 + 48*y*z^8 - 24*y^2*z^8))/ (2*(-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)^2*(y + z)^2))* G[0, 0, 1, 0, z] + ((18*y^2 - 90*y^3 + 162*y^4 - 126*y^5 + 36*y^6 + 3*y*z - 80*y^2*z + 330*y^3*z - 504*y^4*z + 323*y^5*z - 72*y^6*z - 35*y*z^2 + 205*y^2*z^2 - 495*y^3*z^2 + 552*y^4*z^2 - 261*y^5*z^2 + 34*y^6*z^2 - 6*z^3 + 100*y*z^3 - 302*y^2*z^3 + 388*y^3*z^3 - 250*y^4*z^3 + 68*y^5*z^3 + 15*z^4 - 113*y*z^4 + 222*y^2*z^4 - 158*y^3*z^4 + 38*y^4*z^4 - 12*z^5 + 51*y*z^5 - 66*y^2*z^5 + 25*y^3*z^5 + 3*z^6 - 6*y*z^6 + 3*y^2*z^6)*G[0, 0, 1, 1, y])/ ((-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)) + ((14*y - 28*y^2 + 14*y^3 - 9*z - 9*y*z - 36*y^2*z + 18*z^2 - 5*y*z^2 - 9*z^3)*G[0, 0, 1 - y, 0, z])/(2*y^2*(-1 + y + z)) + (3*(-1 + y + 2*z)*(-6*y + 6*y^2 - z + y*z + z^2)*G[0, 0, 1 - y, 1 - y, z])/(y*z*(-1 + y + z)) + (((6*I)*Pi*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) - (y^2 + 30*y^3 - 130*y^4 + 200*y^5 - 135*y^6 + 34*y^7 + 53*y*z - 282*y^2*z + 351*y^3*z + 177*y^4*z - 612*y^5*z + 381*y^6*z - 68*y^7*z + 36*z^2 - 458*y*z^2 + 1779*y^2*z^2 - 2526*y^3*z^2 + 1073*y^4*z^2 + 426*y^5*z^2 - 366*y^6*z^2 + 36*y^7*z^2 - 162*z^3 + 1346*y*z^3 - 4057*y^2*z^3 + 5164*y^3*z^3 - 2605*y^4*z^3 + 198*y^5*z^3 + 116*y^6*z^3 + 300*z^4 - 1880*y*z^4 + 4348*y^2*z^4 - 4490*y^3*z^4 + 1928*y^4*z^4 - 210*y^5*z^4 - 288*z^5 + 1349*y*z^5 - 2267*y^2*z^5 + 1657*y^3*z^5 - 443*y^4*z^5 + 144*z^6 - 470*y*z^6 + 508*y^2*z^6 - 186*y^3*z^6 - 30*z^7 + 60*y*z^7 - 30*y^2*z^7)/(2*(-1 + y)^2*y^2* (-1 + z)^2*z*(-1 + y + z)^2))*G[0, 0, -y, 1 - y, z] - ((36*y^3 - 108*y^4 + 72*y^5 + 72*y^6 - 108*y^7 + 36*y^8 + 38*y^2*z - 230*y^3*z + 242*y^4*z + 198*y^5*z - 536*y^6*z + 360*y^7*z - 72*y^8*z - 38*y*z^2 + 64*y^2*z^2 - 206*y^3*z^2 + 882*y^4*z^2 - 1438*y^5*z^2 + 1130*y^6*z^2 - 378*y^7*z^2 + 32*y^8*z^2 - 36*z^3 + 366*y*z^3 - 1217*y^2*z^3 + 2611*y^3*z^3 - 3295*y^4*z^3 + 2377*y^5*z^3 - 932*y^6*z^3 + 126*y^7*z^3 + 180*z^4 - 1188*y*z^4 + 3324*y^2*z^4 - 4956*y^3*z^4 + 3890*y^4*z^4 - 1620*y^5*z^4 + 274*y^6*z^4 - 355*z^5 + 1817*y*z^5 - 3908*y^2*z^5 + 4028*y^3*z^5 - 1993*y^4*z^5 + 411*y^5*z^5 + 348*z^6 - 1412*y*z^6 + 2198*y^2*z^6 - 1464*y^3*z^6 + 378*y^4*z^6 - 171*z^7 + 523*y*z^7 - 533*y^2*z^7 + 181*y^3*z^7 + 34*z^8 - 68*y*z^8 + 34*y^2*z^8)*G[0, 1, 0, 0, y])/ (2*(-1 + y)^2*y*(-1 + z)^2*z*(-1 + y + z)^2*(y + z)^2) + ((-1 + 2*y + z)*(-38*y^3 + 114*y^4 - 114*y^5 + 38*y^6 - 79*y^2*z + 294*y^3*z - 373*y^4*z + 180*y^5*z - 22*y^6*z - 34*y*z^2 + 210*y^2*z^2 - 348*y^3*z^2 + 186*y^4*z^2 + 12*y^5*z^2 - 26*y^6*z^2 + 3*z^3 - 4*y*z^3 + 45*y^2*z^3 - 216*y^3*z^3 + 314*y^4*z^3 - 180*y^5*z^3 + 34*y^6*z^3 - 30*z^4 + 190*y*z^4 - 496*y^2*z^4 + 638*y^3*z^4 - 400*y^4*z^4 + 102*y^5*z^4 + 60*z^5 - 274*y*z^5 + 489*y^2*z^5 - 382*y^3*z^5 + 111*y^4*z^5 - 42*z^6 + 140*y*z^6 - 154*y^2*z^6 + 52*y^3*z^6 + 9*z^7 - 18*y*z^7 + 9*y^2*z^7)* G[0, 1, 0, 0, z])/(2*(-1 + y)^2*y^2*(-1 + z)^2*(-1 + y + z)^2* (y + z)^2) + (((6*I)*Pi*(y - z))/(-1 + y + z) + (-36*y^2 + 216*y^3 - 504*y^4 + 576*y^5 - 324*y^6 + 72*y^7 - 8*y*z + 206*y^2*z - 1035*y^3*z + 2093*y^4*z - 2009*y^5*z + 897*y^6*z - 144*y^7*z + 3*z^2 - 34*y*z^2 - 136*y^2*z^2 + 1272*y^3*z^2 - 2703*y^4*z^2 + 2362*y^5*z^2 - 840*y^6*z^2 + 76*y^7*z^2 - 27*z^3 + 231*y*z^3 - 591*y^2*z^3 + 152*y^3*z^3 + 949*y^4*z^3 - 973*y^5*z^3 + 259*y^6*z^3 + 69*z^4 - 424*y*z^4 + 1066*y^2*z^4 - 1112*y^3*z^4 + 349*y^4*z^4 + 48*y^5*z^4 - 75*z^5 + 343*y*z^5 - 635*y^2*z^5 + 559*y^3*z^5 - 184*y^4*z^5 + 36*z^6 - 120*y*z^6 + 132*y^2*z^6 - 52*y^3*z^6 - 6*z^7 + 12*y*z^7 - 6*y^2*z^7)/ (2*(-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)^2))*G[0, 1, 0, 1, y] - ((3 - 10*y + 10*y^2 - 9*z + 26*y*z - 20*y^2*z + 4*y^3*z + 4*y*z^2 - 58*y^2*z^2 + 48*y^3*z^2 + 18*z^3 - 44*y*z^3 + 66*y^2*z^3 - 18*z^4 + 24*y*z^4 + 6*z^5)*G[0, 1, 0, 1 - y, z])/(2*y^2*z*(-1 + y + z)^2) + (((-6*I)*Pi*(-y^3 + y^4 - 3*z + 8*y*z - 7*y^2*z + 9*z^2 - 16*y*z^2 + 7*y^2*z^2 - 9*z^3 + 8*y*z^3 + 3*z^4))/(y^2*(-1 + y + z)^2) - (-18*y^4 + 36*y^5 - 18*y^6 - 11*y^3*z + 105*y^4*z - 169*y^5*z + 75*y^6*z - 19*y^2*z^2 + 122*y^3*z^2 - 384*y^4*z^2 + 372*y^5*z^2 - 101*y^6*z^2 + 2*y^7*z^2 - 82*y*z^3 + 295*y^2*z^3 - 641*y^3*z^3 + 787*y^4*z^3 - 391*y^5*z^3 + 48*y^6*z^3 - 54*z^4 + 468*y*z^4 - 1088*y^2*z^4 + 1302*y^3*z^4 - 757*y^4*z^4 + 154*y^5*z^4 + 222*z^5 - 1045*y*z^5 + 1659*y^2*z^5 - 1114*y^3*z^5 + 267*y^4*z^5 - 363*z^6 + 1144*y*z^6 - 1139*y^2*z^6 + 342*y^3*z^6 + 297*z^7 - 615*y*z^7 + 292*y^2*z^7 - 123*z^8 + 130*y*z^8 + 21*z^9)/ (2*y^2*(-1 + z)^2*z*(-1 + y + z)^2*(y + z)^2))*G[0, 1, 1, 0, y] + ((-1 + 2*y + z)*(-3*y^2 + 10*y^3 + 3*y^4 - 60*y^5 + 104*y^6 - 72*y^7 + 18*y^8 - 6*y*z + 26*y^2*z - 35*y^3*z - 67*y^4*z + 237*y^5*z - 227*y^6*z + 72*y^7*z - 3*z^2 + 22*y*z^2 - 73*y^2*z^2 + 5*y^3*z^2 + 298*y^4*z^2 - 411*y^5*z^2 + 162*y^6*z^2 + 6*z^3 - 24*y*z^3 - 62*y^2*z^3 + 411*y^3*z^3 - 565*y^4*z^3 + 234*y^5*z^3 + 9*z^4 - 96*y*z^4 + 362*y^2*z^4 - 469*y^3*z^4 + 192*y^4*z^4 - 24*z^5 + 128*y*z^5 - 184*y^2*z^5 + 78*y^3*z^5 + 12*z^6 - 24*y*z^6 + 12*y^2*z^6)*G[0, 1, 1, 0, z])/(2*(-1 + y)^2*y^2*z*(-1 + y + z)^2* (y + z)^2) - ((-54*y^2 + 54*y^3 + y*z + 53*y^2*z - 9*z^2 + 22*y*z^2 + 9*z^3)*G[0, 1, 1, 1, y])/(2*y^2*z) - ((3 - 10*y + 10*y^2 - 9*z + 26*y*z - 20*y^2*z + 4*y^3*z + 4*y*z^2 - 58*y^2*z^2 + 48*y^3*z^2 + 18*z^3 - 44*y*z^3 + 66*y^2*z^3 - 18*z^4 + 24*y*z^4 + 6*z^5)*G[0, 1, 1 - y, 0, z])/(2*y^2*z*(-1 + y + z)^2) + ((14*y - 28*y^2 + 14*y^3 - 9*z - 9*y*z - 36*y^2*z + 18*z^2 - 5*y*z^2 - 9*z^3)*G[0, 1 - y, 0, 0, z])/(2*y^2*(-1 + y + z)) + (3*(-1 + y + 2*z)*(-6*y + 6*y^2 - z + y*z + z^2)*G[0, 1 - y, 0, 1 - y, z])/(y*z*(-1 + y + z)) + (((6*I)*Pi*(-1 + z)*z*(3 - 8*y + 8*y^2 - 6*z + 8*y*z + 3*z^2))/ (y^2*(-1 + y + z)^2) - (-18*y^4 + 72*y^5 - 108*y^6 + 72*y^7 - 18*y^8 - 75*y^3*z + 381*y^4*z - 781*y^5*z + 807*y^6*z - 420*y^7*z + 88*y^8*z - 54*y^2*z^2 + 600*y^3*z^2 - 1803*y^4*z^2 + 2422*y^5*z^2 - 1565*y^6*z^2 + 400*y^7*z^2 + 55*y*z^3 + 229*y^2*z^3 - 1654*y^3*z^3 + 3149*y^4*z^3 - 2517*y^5*z^3 + 738*y^6*z^3 + 48*z^4 - 138*y*z^4 - 473*y^2*z^4 + 1892*y^3*z^4 - 2033*y^4*z^4 + 700*y^5*z^4 - 84*z^5 + 103*y*z^5 + 398*y^2*z^5 - 759*y^3*z^5 + 334*y^4*z^5 + 48*z^6 - 44*y*z^6 - 56*y^2*z^6 + 48*y^3*z^6 - 12*z^7 + 24*y*z^7 - 12*y^2*z^7)/(2*(-1 + y)^2*y^2*z* (-1 + y + z)^2*(y + z)^2))*G[0, 1 - y, 1, 0, z] + (3*(-1 + y + 2*z)*(-6*y + 6*y^2 - z + y*z + z^2)*G[0, 1 - y, 1 - y, 0, z])/(y*z*(-1 + y + z)) + ((-54*y^2 + 54*y^3 + y*z + 53*y^2*z - 9*z^2 + 22*y*z^2 + 9*z^3)*G[0, 1 - y, 1 - y, 1 - y, z])/(2*y^2*z) + (((-6*I)*Pi*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) + (3 - 16*y + 72*y^2 - 190*y^3 + 255*y^4 - 168*y^5 + 46*y^6 - 2*y^7 - 15*z + 149*y*z - 713*y^2*z + 1487*y^3*z - 1452*y^4*z + 644*y^5*z - 104*y^6*z + 4*y^7*z + 48*z^2 - 626*y*z^2 + 2599*y^2*z^2 - 4414*y^3*z^2 + 3351*y^4*z^2 - 1012*y^5*z^2 + 52*y^6*z^2 + 2*y^7*z^2 - 102*z^3 + 1342*y*z^3 - 4565*y^2*z^3 + 6310*y^3*z^3 - 3775*y^4*z^3 + 792*y^5*z^3 - 2*y^6*z^3 + 135*z^4 - 1544*y*z^4 + 4179*y^2*z^4 - 4542*y^3*z^4 + 2020*y^4*z^4 - 252*y^5*z^4 - 111*z^5 + 941*y*z^5 - 1938*y^2*z^5 + 1515*y^3*z^5 - 399*y^4*z^5 + 54*z^6 - 270*y*z^6 + 378*y^2*z^6 - 166*y^3*z^6 - 12*z^7 + 24*y*z^7 - 12*y^2*z^7)/(2*(-1 + y)^2*y^2* (-1 + z)^2*z*(-1 + y + z)^2))*G[0, 1 - y, -y, 1 - y, z] + ((-52*y^2 + 154*y^3 - 157*y^4 + 52*y^5 + 11*y*z + 127*y^2*z - 287*y^3*z + 148*y^4*z - 9*z^2 + 2*y*z^2 - 137*y^2*z^2 + 146*y^3*z^2 + 27*z^3 - 32*y*z^3 + 63*y^2*z^3 - 27*z^4 + 22*y*z^4 + 9*z^5)*G[0, -y, 0, 1 - y, z])/(2*y^2*z*(-1 + y + z)^2) + ((-52*y^2 + 154*y^3 - 157*y^4 + 52*y^5 + 11*y*z + 127*y^2*z - 287*y^3*z + 148*y^4*z - 9*z^2 + 2*y*z^2 - 137*y^2*z^2 + 146*y^3*z^2 + 27*z^3 - 32*y*z^3 + 63*y^2*z^3 - 27*z^4 + 22*y*z^4 + 9*z^5)*G[0, -y, 1 - y, 0, z])/(2*y^2*z*(-1 + y + z)^2) + (((-6*I)*Pi*(-1 + y + z)*(y + 3*z))/y^2 - (-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - 35*y^2*z + 154*y^3*z - 209*y^4*z + 96*y^5*z - 6*y^6*z - 75*y*z^2 + 342*y^2*z^2 - 616*y^3*z^2 + 511*y^4*z^2 - 165*y^5*z^2 + 3*y^6*z^2 - 27*z^3 + 362*y*z^3 - 920*y^2*z^3 + 928*y^3*z^3 - 421*y^4*z^3 + 74*y^5*z^3 + 81*z^4 - 553*y*z^4 + 983*y^2*z^4 - 621*y^3*z^4 + 118*y^4*z^4 - 81*z^5 + 320*y*z^5 - 397*y^2*z^5 + 154*y^3*z^5 + 27*z^6 - 54*y*z^6 + 27*y^2*z^6)/(2*(-1 + y)^2*y^2*(-1 + z)^2*z^2))* G[0, -y, 1 - y, 1 - y, z] + (((-6*I)*Pi*(-1 + y + z)*(y + 3*z))/y^2 - (-3*y^3 + 15*y^4 - 30*y^5 + 30*y^6 - 15*y^7 + 3*y^8 - 49*y^2*z + 282*y^3*z - 639*y^4*z + 724*y^5*z - 420*y^6*z + 108*y^7*z - 6*y^8*z - 20*y*z^2 + 371*y^2*z^2 - 1511*y^3*z^2 + 2664*y^4*z^2 - 2344*y^5*z^2 + 1008*y^6*z^2 - 171*y^7*z^2 + 3*y^8*z^2 - 36*z^3 + 324*y*z^3 - 1581*y^2*z^3 + 3832*y^3*z^3 - 4752*y^4*z^3 + 3004*y^5*z^3 - 867*y^6*z^3 + 76*y^7*z^3 + 180*z^4 - 1163*y*z^4 + 3414*y^2*z^4 - 5284*y^3*z^4 + 4336*y^4*z^4 - 1736*y^5*z^4 + 253*y^6*z^4 - 360*z^5 + 1820*y*z^5 - 3772*y^2*z^5 + 3892*y^3*z^5 - 1962*y^4*z^5 + 380*y^5*z^5 + 360*z^6 - 1419*y*z^6 + 2101*y^2*z^6 - 1376*y^3*z^6 + 338*y^4*z^6 - 180*z^7 + 530*y*z^7 - 520*y^2*z^7 + 168*y^3*z^7 + 36*z^8 - 72*y*z^8 + 36*y^2*z^8)/(2*(-1 + y)^2*y^2* (-1 + z)^2*z^2*(-1 + y + z)^2))*G[0, -y, -y, 1 - y, z] - ((54*y - 108*y^2 + 54*y^3 - 109*y*z + 109*y^2*z - 14*z^2 + 78*y*z^2 + 14*z^3)*G[1, 0, 0, 0, y])/(2*z*(-1 + y + z)^2) + ((-1 + 2*y + z)*(-14*y + 14*y^2 + 9*z - 36*y*z + 50*y^2*z - 18*z^2 + 50*y*z^2 + 9*z^3)*G[1, 0, 0, 0, z])/(2*y^2*(-1 + y + z)^2) + (((6*I)*Pi*(-y + 3*y^2 - 3*y^3 + y^4 - 3*z + 12*y*z - 16*y^2*z + 4*y^3*z + 9*z^2 - 21*y*z^2 + 13*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4))/(y^2*(-1 + y + z)^2) - (18*y^2 - 72*y^3 + 108*y^4 - 72*y^5 + 18*y^6 + 28*y*z - 248*y^2*z + 651*y^3*z - 745*y^4*z + 389*y^5*z - 75*y^6*z + 18*z^2 - 220*y*z^2 + 1015*y^2*z^2 - 1904*y^3*z^2 + 1644*y^4*z^2 - 642*y^5*z^2 + 87*y^6*z^2 + 2*y^7*z^2 - 60*z^3 + 575*y*z^3 - 1866*y^2*z^3 + 2603*y^3*z^3 - 1637*y^4*z^3 + 419*y^5*z^3 - 34*y^6*z^3 + 78*z^4 - 700*y*z^4 + 1749*y^2*z^4 - 1814*y^3*z^4 + 777*y^4*z^4 - 92*y^5*z^4 - 54*z^5 + 427*y*z^5 - 834*y^2*z^5 + 612*y^3*z^5 - 147*y^4*z^5 + 24*z^6 - 122*y*z^6 + 172*y^2*z^6 - 76*y^3*z^6 - 6*z^7 + 12*y*z^7 - 6*y^2*z^7)/(2*(-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)^2))* G[1, 0, 0, 1, y] + (((6*I)*Pi*(1 + 2*y - z)*z)/(-1 + y + z)^2 - (-3 + 10*y - 10*y^2 + 9*z - 20*y*z + 26*y^2*z - 16*y^3*z - 9*z^2 + 16*y*z^2 - 78*y^2*z^2 + 32*y^3*z^2 + 3*z^3 - 12*y*z^3 + 62*y^2*z^3 + 6*y*z^4)/(2*y^2*z*(-1 + y + z)^2))* G[1, 0, 0, 1 - y, z] + (((-6*I)*Pi*(-1 + y + 2*z))/y + (-36*y^4 + 144*y^5 - 180*y^6 + 72*y^7 + 3*y^3*z + 257*y^4*z - 731*y^5*z + 615*y^6*z - 144*y^7*z + 147*y^2*z^2 - 472*y^3*z^2 - 122*y^4*z^2 + 1096*y^5*z^2 - 700*y^6*z^2 + 76*y^7*z^2 + 131*y*z^3 - 1232*y^2*z^3 + 2620*y^3*z^3 - 1194*y^4*z^3 - 595*y^5*z^3 + 273*y^6*z^3 + 27*z^4 - 732*y*z^4 + 3678*y^2*z^4 - 5192*y^3*z^4 + 1896*y^4*z^4 + 90*y^5*z^4 - 93*z^5 + 1597*y*z^5 - 5103*y^2*z^5 + 4397*y^3*z^5 - 801*y^4*z^5 + 114*z^6 - 1712*y*z^6 + 3365*y^2*z^6 - 1356*y^3*z^6 - 54*z^7 + 906*y*z^7 - 855*y^2*z^7 + 3*z^8 - 190*y*z^8 + 3*z^9)/(2*y^2*(-1 + z)^2*z*(-1 + y + z)^2* (y + z)^2))*G[1, 0, 1, 0, y] + (((-6*I)*Pi*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2))/ (y^2*(-1 + y + z)^2) + ((-1 + 2*y + z)*(-15*y - 3*y^2 + 36*y^3 - 18*y^4 - 12*z + 47*y*z + 22*y^2*z - 72*y^3*z + 18*y^4*z + 30*z^2 - 27*y*z^2 - 59*y^2*z^2 + 36*y^3*z^2 - 42*z^3 - 41*y*z^3 + 54*y^2*z^3 + 42*z^4 + 36*y*z^4 - 18*z^5))/ (2*y^2*z^2*(-1 + y + z)^2))*G[1, 0, 1, 0, z] - ((72*y^4 - 252*y^5 + 324*y^6 - 180*y^7 + 36*y^8 - 72*y*z + 284*y^2*z - 278*y^3*z - 508*y^4*z + 1434*y^5*z - 1292*y^6*z + 504*y^7*z - 72*y^8*z - 24*z^2 + 368*y*z^2 - 1000*y^2*z^2 + 384*y^3*z^2 + 1962*y^4*z^2 - 3168*y^5*z^2 + 1900*y^6*z^2 - 454*y^7*z^2 + 32*y^8*z^2 + 84*z^3 - 638*y*z^3 + 962*y^2*z^3 + 1017*y^3*z^3 - 3740*y^4*z^3 + 3401*y^5*z^3 - 1212*y^6*z^3 + 130*y^7*z^3 - 84*z^4 + 304*y*z^4 + 465*y^2*z^4 - 2704*y^3*z^4 + 3525*y^4*z^4 - 1794*y^5*z^4 + 288*y^6*z^4 - 18*z^5 + 333*y*z^5 - 1424*y^2*z^5 + 2300*y^3*z^5 - 1578*y^4*z^5 + 379*y^5*z^5 + 81*z^6 - 452*y*z^6 + 910*y^2*z^6 - 802*y^3*z^6 + 263*y^4*z^6 - 48*z^7 + 175*y*z^7 - 206*y^2*z^7 + 83*y^3*z^7 + 9*z^8 - 18*y*z^8 + 9*y^2*z^8)* G[1, 0, 1, 1, y])/(2*(-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)* (y + z)^2) + (((6*I)*Pi*(1 + 2*y - z)*z)/(-1 + y + z)^2 - (-3 + 10*y - 10*y^2 + 9*z - 20*y*z + 26*y^2*z - 16*y^3*z - 9*z^2 + 16*y*z^2 - 78*y^2*z^2 + 32*y^3*z^2 + 3*z^3 - 12*y*z^3 + 62*y^2*z^3 + 6*y*z^4)/(2*y^2*z*(-1 + y + z)^2))* G[1, 0, 1 - y, 0, z] + ((-12*y + 6*y^2 + 27*y^3 - 18*y^4 - 12*z + 52*y*z + y^2*z - 60*y^3*z + 18*y^4*z + 30*z^2 - 52*y*z^2 - 34*y^2*z^2 + 33*y^3*z^2 - 24*z^3 + 18*y*z^3 - 25*y^2*z^3 + 6*z^4 - 6*y*z^4)*G[1, 0, 1 - y, 1 - y, z])/(2*y^2*z^2*(-1 + y + z)) + (((6*I)*Pi*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) - (21*y - 51*y^2 + 21*y^3 + 15*y^4 - 6*y^5 + 24*z - 184*y*z + 278*y^2*z - 58*y^3*z - 86*y^4*z + 26*y^5*z - 108*z^2 + 485*y*z^2 - 461*y^2*z^2 - 66*y^3*z^2 + 168*y^4*z^2 - 34*y^5*z^2 + 198*z^3 - 642*y*z^3 + 495*y^2*z^3 + 98*y^3*z^3 - 158*y^4*z^3 + 22*y^5*z^3 - 210*z^4 + 663*y*z^4 - 734*y^2*z^4 + 129*y^3*z^4 + 61*y^4*z^4 + 180*z^5 - 668*y*z^5 + 743*y^2*z^5 - 124*y^3*z^5 - 144*z^6 + 447*y*z^6 - 270*y^2*z^6 + 78*z^7 - 122*y*z^7 - 18*z^8)/(2*y^2*(-1 + z)^2*z^2* (-1 + y + z)^2))*G[1, 0, -y, 1 - y, z] + ((-18*y^3 + 72*y^4 - 90*y^5 + 36*y^6 - 18*y^2*z + 184*y^3*z - 419*y^4*z + 325*y^5*z - 72*y^6*z + 21*y*z^2 + 52*y^2*z^2 - 559*y^3*z^2 + 842*y^4*z^2 - 375*y^5*z^2 + 34*y^6*z^2 + 19*z^3 - 160*y*z^3 - 21*y^2*z^3 + 770*y^3*z^3 - 705*y^4*z^3 + 136*y^5*z^3 - 96*z^4 + 400*y*z^4 - 56*y^2*z^4 - 504*y^3*z^4 + 208*y^4*z^4 + 189*z^5 - 457*y*z^5 + 57*y^2*z^5 + 127*y^3*z^5 - 184*z^6 + 249*y*z^6 - 14*y^2*z^6 + 90*z^7 - 53*y*z^7 - 18*z^8)* G[1, 1, 0, 0, y])/(y*(-1 + z)^2*z*(-1 + y + z)^2*(y + z)^2) + (((-6*I)*Pi*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2))/ (y^2*(-1 + y + z)^2) + ((-1 + 2*y + z)*(3 - 4*y + 4*y^2 - 6*z + 18*y*z - 14*y^2*z - 24*z^2 - 40*y*z^2 + 26*y^2*z^2 + 54*z^3 + 26*y*z^3 - 27*z^4))/(2*y^2*z*(-1 + y + z)^2))*G[1, 1, 0, 0, z] + (((-6*I)*Pi*(-y + 3*y^2 - 3*y^3 + y^4 - 3*z + 12*y*z - 14*y^2*z + 8*y^3*z + 9*z^2 - 21*y*z^2 + 11*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4))/(y^2*(-1 + y + z)^2) - (-9*y^4 + 63*y^5 - 162*y^6 + 198*y^7 - 117*y^8 + 27*y^9 - 36*y*z + 178*y^2*z - 383*y^3*z + 584*y^4*z - 917*y^5*z + 1217*y^6*z - 974*y^7*z + 385*y^8*z - 54*y^9*z - 12*z^2 + 232*y*z^2 - 910*y^2*z^2 + 1819*y^3*z^2 - 2701*y^4*z^2 + 3459*y^5*z^2 - 3209*y^6*z^2 + 1707*y^7*z^2 - 410*y^8*z^2 + 25*y^9*z^2 + 54*z^3 - 587*y*z^3 + 2052*y^2*z^3 - 4097*y^3*z^3 + 5893*y^4*z^3 - 6083*y^5*z^3 + 3906*y^6*z^3 - 1280*y^7*z^3 + 142*y^8*z^3 - 99*z^4 + 868*y*z^4 - 3009*y^2*z^4 + 5963*y^3*z^4 - 7427*y^4*z^4 + 5606*y^5*z^4 - 2257*y^6*z^4 + 353*y^7*z^4 + 114*z^5 - 1002*y*z^5 + 3370*y^2*z^5 - 5790*y^3*z^5 + 5399*y^4*z^5 - 2596*y^5*z^5 + 505*y^6*z^5 - 120*z^6 + 968*y*z^6 - 2668*y^2*z^6 + 3378*y^3*z^6 - 2020*y^4*z^6 + 466*y^5*z^6 + 108*z^7 - 631*y*z^7 + 1228*y^2*z^7 - 986*y^3*z^7 + 281*y^4*z^7 - 57*z^8 + 212*y*z^8 - 253*y^2*z^8 + 96*y^3*z^8 + 12*z^9 - 24*y*z^9 + 12*y^2*z^9)/((-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)^2* (y + z)^2))*G[1, 1, 0, 1, y] + (((6*I)*Pi*(1 + 2*y - z)*z)/(-1 + y + z)^2 + (4*y - 26*y^2 + 22*y^3 - 6*z + 14*y*z - 3*y^2*z + 40*y^3*z + 18*z^2 - 40*y*z^2 + 29*y^2*z^2 - 18*z^3 + 22*y*z^3 + 6*z^4)/ (2*y^2*(-1 + y + z)^2))*G[1, 1, 0, 1 - y, z] + (((6*I)*Pi*(-1 + y + 2*z))/y - (33*y - 93*y^2 + 101*y^3 - 41*y^4 - 288*y*z + 676*y^2*z - 484*y^3*z + 67*y^4*z + 6*y^5*z + 18*z^2 + 801*y*z^2 - 1467*y^2*z^2 + 665*y^3*z^2 - 26*y^4*z^2 - 63*z^3 - 1014*y*z^3 + 1278*y^2*z^3 - 282*y^3*z^3 + 81*z^4 + 612*y*z^4 - 394*y^2*z^4 - 45*z^5 - 144*y*z^5 + 9*z^6)/(2*y^2*(-1 + z)^2* (-1 + y + z)^2))*G[1, 1, 1, 0, y] + G[-y, z]*(((I*Pi*(-18*y^2 + 16*y^3 + 5*y*z + 15*y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3))/(y^2*z) - (Pi^2*(-6*y^3 + 6*y^4 - y^2*z + 6*y^3*z + y^2*z^2 + 3*z^3 - 2*y*z^3 - 3*z^4))/(2*y^2*z^2) - (-6*y^2 + 39*y^3 - 72*y^4 + 42*y^5 + 6*y^6 - 9*y^7 - 12*y*z + 263*y^2*z - 920*y^3*z + 1275*y^4*z - 773*y^5*z + 158*y^6*z + 9*y^7*z - 6*z^2 + 22*y*z^2 - 840*y^2*z^2 + 2583*y^3*z^2 - 2870*y^4*z^2 + 1271*y^5*z^2 - 160*y^6*z^2 + 92*z^3 - 288*y*z^3 + 1520*y^2*z^3 - 3093*y^3*z^3 + 2309*y^4*z^3 - 540*y^5*z^3 - 296*z^4 + 866*y*z^4 - 1718*y^2*z^4 + 1798*y^3*z^4 - 646*y^4*z^4 + 402*z^5 - 970*y*z^5 + 975*y^2*z^5 - 407*y^3*z^5 - 254*z^6 + 444*y*z^6 - 194*y^2*z^6 + 62*z^7 - 62*y*z^7)/ (4*(-1 + y)*y^2*(-1 + z)*z^2*(-1 + y + z)^2))*G[0, 1, y] + ((I*Pi*(-3*y^2 + 3*y^3 + 5*y*z - 18*z^2 + 15*y*z^2 + 18*z^3))/ (y*z^2) + (Pi^2*(-3*y^3 + 3*y^4 + 2*y^3*z + y*z^2 - y^2*z^2 + 6*z^3 - 6*y*z^3 - 6*z^4))/(2*y^2*z^2) + (6*y^2 - 86*y^3 + 204*y^4 - 177*y^5 + 53*y^6 + 12*y*z - 4*y^2*z + 156*y^3*z - 318*y^4*z + 160*y^5*z + 6*z^2 - 245*y*z^2 + 579*y^2*z^2 - 700*y^3*z^2 + 360*y^4*z^2 - 33*z^3 + 672*y*z^3 - 1168*y^2*z^3 + 646*y^3*z^3 + 45*z^4 - 627*y*z^4 + 587*y^2*z^4 - 18*z^5 + 194*y*z^5)/(4*y^2*z^2*(-1 + y + z)^2))*G[1, 0, y] + (-1/2*(Pi^2*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2))/ (y^2*z^2) - (I*Pi*(y - z)*(-3*y^2 + 3*y^3 + 14*y*z - 5*y^2*z - 3*z^2 - 5*y*z^2 + 3*z^3))/(y^2*z^2) - ((y - z)*(-12*y^2 + 5*y^3 + 29*y^4 - 22*y^5 - 48*y*z + 133*y^2*z - 56*y^3*z - 51*y^4*z + 22*y^5*z - 12*z^2 + 133*y*z^2 - 194*y^2*z^2 + 51*y^3*z^2 + 26*y^4*z^2 + 5*z^3 - 56*y*z^3 + 51*y^2*z^3 + 8*y^3*z^3 + 29*z^4 - 51*y*z^4 + 26*y^2*z^4 - 22*z^5 + 22*y*z^5))/(2*(-1 + y)*y^2*(-1 + z)*z^2*(y + z)))* G[1, 1, y] - ((18*y^4 - 24*y^5 + 6*y^6 + 36*y^2*z - 84*y^3*z + 68*y^4*z - 20*y^5*z - 10*y*z^2 - 74*y^2*z^2 + 171*y^3*z^2 - 71*y^4*z^2 + 6*z^3 + 10*y*z^3 + 66*y^2*z^3 - 72*y^3*z^3 - 18*z^4 + 5*y*z^4 - 29*y^2*z^4 + 18*z^5 - 8*y*z^5 - 6*z^6)* G[0, 0, 1, y])/(2*y^2*z^2*(-1 + y + z)^2) + (((6*I)*Pi*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(y^2*z^2) + ((y - z)*(-54*y^4 + 120*y^5 - 90*y^6 + 24*y^7 - 84*y^3*z + 252*y^4*z - 243*y^5*z + 78*y^6*z - 56*y^2*z^2 + 144*y^3*z^2 - 146*y^4*z^2 + 52*y^5*z^2 - 84*y*z^3 + 144*y^2*z^3 + 14*y^3*z^3 - 66*y^4*z^3 - 54*z^4 + 252*y*z^4 - 146*y^2*z^4 - 66*y^3*z^4 + 120*z^5 - 243*y*z^5 + 52*y^2*z^5 - 90*z^6 + 78*y*z^6 + 24*z^7))/(2*y^2*z^2* (-1 + y + z)^2*(y + z)^2))*G[0, 1, 0, y] + (((-6*I)*Pi*(-1 + y + z)*(3*y + z))/z^2 - (27*y^3 - 54*y^4 + 27*y^5 + 33*y^2*z - 134*y^3*z + 101*y^4*z - 7*y*z^2 - 72*y^2*z^2 + 118*y^3*z^2 + 3*z^3 + 14*y*z^3 + 38*y^2*z^3 + 6*z^4 - 9*y*z^4 - 3*z^5)/(2*y^2*z^2*(-1 + y + z)))* G[0, 1, 1, y] + ((6*y^2 - 6*y^4 - 10*y*z + 34*y^2*z - 30*y^3*z + 6*y^4*z + 36*z^2 - 74*y*z^2 + 55*y^2*z^2 - y^3*z^2 - 108*z^3 + 182*y*z^3 - 72*y^2*z^3 + 103*z^4 - 99*y*z^4 - 34*z^5)* G[1, 0, 0, y])/(2*y*z^2*(-1 + y + z)^2) + (((-6*I)*Pi*(-1 + y + z)*(3*y + z))/z^2 - (-27*y^3 + 57*y^4 - 48*y^5 + 18*y^6 - 31*y^2*z + 158*y^3*z - 229*y^4*z + 102*y^5*z + 5*y*z^2 + 98*y^2*z^2 - 297*y^3*z^2 + 176*y^4*z^2 - 3*z^3 + 18*y*z^3 - 123*y^2*z^3 + 156*y^3*z^3 + 21*z^4 - 31*y*z^4 + 72*y^2*z^4 - 24*z^5 + 14*y*z^5 + 6*z^6)/ (2*y^2*z^2*(-1 + y + z)^2))*G[1, 0, 1, y] + (((6*I)*Pi*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(y^2*z^2) + (-51*y^5 + 99*y^6 - 66*y^7 + 18*y^8 - 29*y^4*z + 74*y^5*z - 73*y^6*z + 28*y^7*z + 39*y^3*z^2 - 210*y^4*z^2 + 241*y^5*z^2 - 100*y^6*z^2 + 3*y^2*z^3 - 162*y^3*z^3 + 401*y^4*z^3 - 272*y^5*z^3 + 48*y*z^4 - 31*y^2*z^4 + 130*y^3*z^4 - 201*y^4*z^4 + 54*z^5 - 168*y*z^5 + 71*y^2*z^5 - 34*y^3*z^5 - 114*z^6 + 175*y*z^6 - 32*y^2*z^6 + 81*z^7 - 58*y*z^7 - 21*z^8)/(2*y^2*z^2*(-1 + y + z)^2* (y + z)^2))*G[1, 1, 0, y] + ((y - z)*(-9*y^2 + 9*y^3 + 46*y*z - 23*y^2*z - 9*z^2 - 23*y*z^2 + 9*z^3)*G[1, 1, 1, y])/(2*y^2*z^2) + (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[0, 0, 1, 0, y])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[0, 0, 1, 1, y])/z^2 - (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[0, 1, 0, 0, y])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[0, 1, 0, 1, y])/z^2 + (3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[0, 1, 1, 0, y])/(y^2*z^2) + (9*(-1 + y + z)*(3*y + z)*G[0, 1, 1, 1, y])/z^2 - (3*(-1 + y + z)*(y + z)*(3*y^2 - 2*y*z + 3*z^2)*G[1, 0, 0, 1, y])/ (y^2*z^2) - (3*(-6*y^3 + 6*y^4 + 4*y^3*z + y*z^2 - y^2*z^2 + 9*z^3 - 8*y*z^3 - 9*z^4)*G[1, 0, 1, 0, y])/(y^2*z^2) + (3*(-1 + y + z)*(12*y^3 + 4*y^2*z - y*z^2 - 3*z^3)*G[1, 0, 1, 1, y])/ (y^2*z^2) - (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[1, 1, 0, 0, y])/(y^2*z^2) + (3*(-1 + y + z)*(3*y^3 + y^2*z + 2*y*z^2 + 6*z^3)*G[1, 1, 0, 1, y])/ (y^2*z^2) - (3*(-1 + y + z)*(y + 3*z)*G[1, 1, 1, 0, y])/y^2) + (((-6*I)*Pi*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2))/ (y^2*(-1 + y + z)^2) - ((-1 + 2*y + z)*(-15*y - 3*y^2 + 36*y^3 - 18*y^4 - 12*z + 47*y*z + 22*y^2*z - 72*y^3*z + 18*y^4*z + 30*z^2 - 61*y*z^2 - 25*y^2*z^2 + 36*y^3*z^2 + 15*z^3 - 21*y*z^3 + 68*y^2*z^3 - 72*z^4 + 50*y*z^4 + 39*z^5))/ (2*y^2*z^2*(-1 + y + z)^2))*G[1, 1, 1, 0, z] + (((6*I)*Pi*(1 + 2*y - z)*z)/(-1 + y + z)^2 + (4*y - 26*y^2 + 22*y^3 - 6*z + 14*y*z - 3*y^2*z + 40*y^3*z + 18*z^2 - 40*y*z^2 + 29*y^2*z^2 - 18*z^3 + 22*y*z^3 + 6*z^4)/ (2*y^2*(-1 + y + z)^2))*G[1, 1, 1 - y, 0, z] + (((6*I)*Pi*(1 + 2*y - z)*z)/(-1 + y + z)^2 - (-3 + 10*y - 10*y^2 + 9*z - 20*y*z + 26*y^2*z - 16*y^3*z - 9*z^2 + 16*y*z^2 - 78*y^2*z^2 + 32*y^3*z^2 + 3*z^3 - 12*y*z^3 + 62*y^2*z^3 + 6*y*z^4)/(2*y^2*z*(-1 + y + z)^2))* G[1, 1 - y, 0, 0, z] + ((-12*y + 6*y^2 + 27*y^3 - 18*y^4 - 12*z + 52*y*z + y^2*z - 60*y^3*z + 18*y^4*z + 30*z^2 - 52*y*z^2 - 34*y^2*z^2 + 33*y^3*z^2 - 24*z^3 + 18*y*z^3 - 25*y^2*z^3 + 6*z^4 - 6*y*z^4)*G[1, 1 - y, 0, 1 - y, z])/(2*y^2*z^2*(-1 + y + z)) + (((6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 - (9*y - 9*y^2 + 12*z - 66*y*z + 45*y^2*z + 24*y^3*z - 12*y^4*z - 42*z^2 + 106*y*z^2 + 9*y^2*z^2 - 70*y^3*z^2 + 12*y^4*z^2 + 81*z^3 - 106*y*z^3 + 6*y^2*z^3 - 16*y^3*z^3 - 111*z^4 + 113*y*z^4 - 51*y^2*z^4 + 87*z^5 - 56*y*z^5 - 27*z^6)/(2*y^2*z^2*(-1 + y + z)^2))* G[1, 1 - y, 1, 0, z] + ((-12*y + 6*y^2 + 27*y^3 - 18*y^4 - 12*z + 52*y*z + y^2*z - 60*y^3*z + 18*y^4*z + 30*z^2 - 52*y*z^2 - 34*y^2*z^2 + 33*y^3*z^2 - 24*z^3 + 18*y*z^3 - 25*y^2*z^3 + 6*z^4 - 6*y*z^4)*G[1, 1 - y, 1 - y, 0, z])/(2*y^2*z^2*(-1 + y + z)) + (((6*I)*Pi*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) - (21*y - 51*y^2 + 21*y^3 + 15*y^4 - 6*y^5 + 24*z - 184*y*z + 278*y^2*z - 58*y^3*z - 86*y^4*z + 26*y^5*z - 108*z^2 + 485*y*z^2 - 461*y^2*z^2 - 66*y^3*z^2 + 168*y^4*z^2 - 34*y^5*z^2 + 198*z^3 - 642*y*z^3 + 495*y^2*z^3 + 98*y^3*z^3 - 158*y^4*z^3 + 22*y^5*z^3 - 210*z^4 + 663*y*z^4 - 734*y^2*z^4 + 129*y^3*z^4 + 61*y^4*z^4 + 180*z^5 - 668*y*z^5 + 743*y^2*z^5 - 124*y^3*z^5 - 144*z^6 + 447*y*z^6 - 270*y^2*z^6 + 78*z^7 - 122*y*z^7 - 18*z^8)/(2*y^2*(-1 + z)^2*z^2* (-1 + y + z)^2))*G[1, 1 - y, -y, 1 - y, z] + ((14*y - 28*y^2 + 14*y^3 - 9*z - 9*y*z - 36*y^2*z + 18*z^2 - 5*y*z^2 - 9*z^3)*G[1 - y, 0, 0, 0, z])/(2*y^2*(-1 + y + z)) + (3*(-1 + y + 2*z)*(-6*y + 6*y^2 - z + y*z + z^2)*G[1 - y, 0, 0, 1 - y, z])/(y*z*(-1 + y + z)) + (((6*I)*Pi*(-y^2 + 2*y^3 + y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3))/(y^2*z) - (-12*y^3 + 30*y^4 + 3*y^5 - 72*y^6 + 78*y^7 - 30*y^8 + 3*y^9 - 36*y^2*z + 136*y^3*z - 104*y^4*z - 59*y^5*z - 19*y^6*z + 167*y^7*z - 85*y^8*z - 36*y*z^2 + 212*y^2*z^2 - 287*y^3*z^2 + 26*y^4*z^2 - 107*y^5*z^2 + 440*y^6*z^2 - 248*y^7*z^2 - 12*z^3 + 136*y*z^3 - 283*y^2*z^3 - 134*y^3*z^3 + 543*y^4*z^3 - 166*y^5*z^3 - 84*y^6*z^3 + 30*z^4 - 146*y*z^4 - 164*y^2*z^4 + 957*y^3*z^4 - 1000*y^4*z^4 + 327*y^5*z^4 - 39*z^5 + 5*y*z^5 + 438*y^2*z^5 - 741*y^3*z^5 + 345*y^4*z^5 + 30*z^6 + 18*y*z^6 - 126*y^2*z^6 + 82*y^3*z^6 - 12*z^7 + 24*y*z^7 - 12*y^2*z^7)/ (2*(-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)^2))* G[1 - y, 0, 1, 0, z] + (3*(-1 + y + 2*z)*(-6*y + 6*y^2 - z + y*z + z^2)*G[1 - y, 0, 1 - y, 0, z])/(y*z*(-1 + y + z)) + ((-54*y^2 + 54*y^3 + y*z + 53*y^2*z - 9*z^2 + 22*y*z^2 + 9*z^3)* G[1 - y, 0, 1 - y, 1 - y, z])/(2*y^2*z) + (((-6*I)*Pi*(-1 + y + z)*(y + z)*(3*y^2 - 2*y*z + 3*z^2))/(y^2*z^2) - (24*y - 84*y^2 + 114*y^3 - 96*y^4 + 84*y^5 - 60*y^6 + 18*y^7 + 24*z - 200*y*z + 489*y^2*z - 625*y^3*z + 617*y^4*z - 495*y^5*z + 226*y^6*z - 36*y^7*z - 84*z^2 + 535*y*z^2 - 1228*y^2*z^2 + 1611*y^3*z^2 - 1494*y^4*z^2 + 914*y^5*z^2 - 272*y^6*z^2 + 18*y^7*z^2 + 108*z^3 - 781*y*z^3 + 1931*y^2*z^3 - 2406*y^3*z^3 + 1711*y^4*z^3 - 665*y^5*z^3 + 102*y^6*z^3 - 72*z^4 + 797*y*z^4 - 1998*y^2*z^4 + 2047*y^3*z^4 - 948*y^4*z^4 + 170*y^5*z^4 + 48*z^5 - 559*y*z^5 + 1186*y^2*z^5 - 873*y^3*z^5 + 206*y^4*z^5 - 36*z^6 + 208*y*z^6 - 308*y^2*z^6 + 132*y^3*z^6 + 12*z^7 - 24*y*z^7 + 12*y^2*z^7)/(2*(-1 + y)^2*y^2*(-1 + z)^2*z^2*(-1 + y + z)))* G[1 - y, 0, -y, 1 - y, z] + (((6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 - (-54*y^3 + 258*y^4 - 530*y^5 + 582*y^6 - 336*y^7 + 80*y^8 - 87*y^2*z + 648*y^3*z - 1739*y^4*z + 2234*y^5*z - 1408*y^6*z + 352*y^7*z - 2*y*z^2 + 409*y^2*z^2 - 1848*y^3*z^2 + 3133*y^4*z^2 - 2338*y^5*z^2 + 646*y^6*z^2 + 27*z^3 - 54*y*z^3 - 556*y^2*z^3 + 1792*y^3*z^3 - 1815*y^4*z^3 + 602*y^5*z^3 - 81*z^4 + 168*y*z^4 + 172*y^2*z^4 - 514*y^3*z^4 + 247*y^4*z^4 + 81*z^5 - 166*y*z^5 + 89*y^2*z^5 - 8*y^3*z^5 - 27*z^6 + 54*y*z^6 - 27*y^2*z^6)/ (2*(-1 + y)^2*y^2*(-1 + y + z)^2*(y + z)^2))*G[1 - y, 1, 0, 0, z] - ((-3*y + 6*y^2 + 7*y*z - 7*y^2*z - 3*y^3*z + 2*y^4*z - 11*y*z^2 + 8*y^2*z^2 + y^3*z^2 + 9*z^3 - 16*y*z^3 + 65*y^2*z^3 - 18*z^4 + 23*y*z^4 + 9*z^5)*G[1 - y, 1, 0, 1 - y, z])/ (2*y^2*z^2*(-1 + y + z)) + (((6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 + (3*y^3 - 15*y^4 + 27*y^5 - 9*y^6 - 36*y^7 + 54*y^8 - 30*y^9 + 6*y^10 + 6*y^2*z - 40*y^3*z + 78*y^4*z - 191*y^6*z + 264*y^7*z - 147*y^8*z + 30*y^9*z + 3*y*z^2 - 35*y^2*z^2 + 128*y^3*z^2 - 140*y^4*z^2 - 91*y^5*z^2 + 290*y^6*z^2 - 198*y^7*z^2 + 43*y^8*z^2 - 10*y*z^3 + 97*y^2*z^3 - 300*y^3*z^3 + 352*y^4*z^3 - 110*y^5*z^3 - 61*y^6*z^3 + 32*y^7*z^3 - 18*y*z^4 - 11*y^2*z^4 + 111*y^3*z^4 - 59*y^4*z^4 - 86*y^5*z^4 + 63*y^6*z^4 - 36*z^5 + 244*y*z^5 - 548*y^2*z^5 + 632*y^3*z^5 - 426*y^4*z^5 + 136*y^5*z^5 + 108*z^6 - 481*y*z^6 + 799*y^2*z^6 - 592*y^3*z^6 + 170*y^4*z^6 - 108*z^7 + 334*y*z^7 - 344*y^2*z^7 + 120*y^3*z^7 + 36*z^8 - 72*y*z^8 + 36*y^2*z^8)/(2*(-1 + y)^2*y^2*z^2* (-1 + y + z)^2*(y + z)^2))*G[1 - y, 1, 1, 0, z] - ((-3*y + 6*y^2 + 7*y*z - 7*y^2*z - 3*y^3*z + 2*y^4*z - 11*y*z^2 + 8*y^2*z^2 + y^3*z^2 + 9*z^3 - 16*y*z^3 + 65*y^2*z^3 - 18*z^4 + 23*y*z^4 + 9*z^5)*G[1 - y, 1, 1 - y, 0, z])/ (2*y^2*z^2*(-1 + y + z)) + (3*(-1 + y + 2*z)*(-6*y + 6*y^2 - z + y*z + z^2)*G[1 - y, 1 - y, 0, 0, z])/(y*z*(-1 + y + z)) + ((-54*y^2 + 54*y^3 + y*z + 53*y^2*z - 9*z^2 + 22*y*z^2 + 9*z^3)* G[1 - y, 1 - y, 0, 1 - y, z])/(2*y^2*z) + (((-6*I)*Pi*(-y^2 + 2*y^3 + y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3))/ (y^2*z) + (-12*y^3 + 30*y^4 + 3*y^5 - 72*y^6 + 78*y^7 - 30*y^8 + 3*y^9 - 36*y^2*z + 136*y^3*z - 212*y^4*z + 373*y^5*z - 667*y^6*z + 599*y^7*z - 193*y^8*z - 36*y*z^2 + 212*y^2*z^2 - 511*y^3*z^2 + 1148*y^4*z^2 - 2129*y^5*z^2 + 2014*y^6*z^2 - 698*y^7*z^2 - 12*z^3 + 136*y*z^3 - 425*y^2*z^3 + 932*y^3*z^3 - 1883*y^4*z^3 + 2056*y^5*z^3 - 804*y^6*z^3 + 30*z^4 - 185*y*z^4 + 352*y^2*z^4 - 550*y^3*z^4 + 622*y^4*z^4 - 265*y^5*z^4 - 54*z^5 + 185*y*z^5 - 179*y^2*z^5 + 13*y^3*z^5 + 43*y^4*z^5 + 66*z^6 - 160*y*z^6 + 122*y^2*z^6 - 24*y^3*z^6 - 30*z^7 + 60*y*z^7 - 30*y^2*z^7)/ (2*(-1 + y)^2*y^2*z^2*(-1 + y + z)*(y + z)^2))* G[1 - y, 1 - y, 1, 0, z] + ((-54*y^2 + 54*y^3 + y*z + 53*y^2*z - 9*z^2 + 22*y*z^2 + 9*z^3)*G[1 - y, 1 - y, 1 - y, 0, z])/(2*y^2*z) + (((6*I)*Pi*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2))/(y^2*z^2) + ((y - z)*(12*y^2 - 30*y^3 + 24*y^4 - 36*y^5 + 84*y^6 - 78*y^7 + 24*y^8 + 48*y*z - 190*y^2*z + 231*y^3*z - 185*y^4*z + 397*y^5*z - 549*y^6*z + 296*y^7*z - 48*y^8*z + 12*z^2 - 190*y*z^2 + 462*y^2*z^2 - 527*y^3*z^2 + 894*y^4*z^2 - 1487*y^5*z^2 + 1170*y^6*z^2 - 358*y^7*z^2 + 24*y^8*z^2 - 30*z^3 + 231*y*z^3 - 527*y^2*z^3 + 1186*y^3*z^3 - 2314*y^4*z^3 + 2353*y^5*z^3 - 1043*y^6*z^3 + 144*y^7*z^3 + 24*z^4 - 185*y*z^4 + 894*y^2*z^4 - 2314*y^3*z^4 + 2910*y^4*z^4 - 1675*y^5*z^4 + 342*y^6*z^4 - 36*z^5 + 397*y*z^5 - 1487*y^2*z^5 + 2353*y^3*z^5 - 1675*y^4*z^5 + 444*y^5*z^5 + 84*z^6 - 549*y*z^6 + 1170*y^2*z^6 - 1043*y^3*z^6 + 342*y^4*z^6 - 78*z^7 + 296*y*z^7 - 358*y^2*z^7 + 144*y^3*z^7 + 24*z^8 - 48*y*z^8 + 24*y^2*z^8))/(2*(-1 + y)^2*y^2*(-1 + z)^2*z^2* (-1 + y + z)*(y + z)^2))*G[1 - y, 1 - y, -y, 1 - y, z] + ((3*y - 6*y^2 + 3*z - 14*y*z + 48*y^2*z - 72*y^3*z + 36*y^4*z - 6*z^2 + 2*y*z^2 - 56*y^2*z^2 + 66*y^3*z^2 + 6*z^3 + 4*y*z^3 + 30*y^2*z^3 - 12*z^4 + 6*y*z^4 + 6*z^5)*G[1 - y, -y, 0, 1 - y, z])/ (2*y^2*z^2*(-1 + y + z)) + ((3*y - 6*y^2 + 3*z - 14*y*z + 48*y^2*z - 72*y^3*z + 36*y^4*z - 6*z^2 + 2*y*z^2 - 56*y^2*z^2 + 66*y^3*z^2 + 6*z^3 + 4*y*z^3 + 30*y^2*z^3 - 12*z^4 + 6*y*z^4 + 6*z^5)* G[1 - y, -y, 1 - y, 0, z])/(2*y^2*z^2*(-1 + y + z)) + ((y - z)*(12*y^2 - 42*y^3 + 45*y^4 - 3*y^5 - 21*y^6 + 9*y^7 + 48*y*z - 202*y^2*z + 366*y^3*z - 305*y^4*z + 62*y^5*z + 49*y^6*z - 18*y^7*z + 12*z^2 - 202*y*z^2 + 690*y^2*z^2 - 1004*y^3*z^2 + 671*y^4*z^2 - 141*y^5*z^2 - 35*y^6*z^2 + 9*y^7*z^2 - 42*z^3 + 366*y*z^3 - 1004*y^2*z^3 + 1200*y^3*z^3 - 633*y^4*z^3 + 98*y^5*z^3 + 11*y^6*z^3 + 45*z^4 - 305*y*z^4 + 671*y^2*z^4 - 633*y^3*z^4 + 230*y^4*z^4 - 12*y^5*z^4 - 3*z^5 + 62*y*z^5 - 141*y^2*z^5 + 98*y^3*z^5 - 12*y^4*z^5 - 21*z^6 + 49*y*z^6 - 35*y^2*z^6 + 11*y^3*z^6 + 9*z^7 - 18*y*z^7 + 9*y^2*z^7)* G[1 - y, -y, 1 - y, 1 - y, z])/(2*(-1 + y)^2*y^2*(-1 + z)^2*z^2* (y + z)^2) + ((y - z)*(9*y^2 - 42*y^3 + 69*y^4 - 48*y^5 + 12*y^6 - 60*y*z + 168*y^2*z - 116*y^3*z - 56*y^4*z + 88*y^5*z - 24*y^6*z + 9*z^2 + 168*y*z^2 - 509*y^2*z^2 + 470*y^3*z^2 - 118*y^4*z^2 - 32*y^5*z^2 + 12*y^6*z^2 - 42*z^3 - 116*y*z^3 + 470*y^2*z^3 - 427*y^3*z^3 + 121*y^4*z^3 - 6*y^5*z^3 + 69*z^4 - 56*y*z^4 - 118*y^2*z^4 + 121*y^3*z^4 - 18*y^4*z^4 - 48*z^5 + 88*y*z^5 - 32*y^2*z^5 - 6*y^3*z^5 + 12*z^6 - 24*y*z^6 + 12*y^2*z^6)* G[1 - y, -y, -y, 1 - y, z])/(2*(-1 + y)^2*y^2*(-1 + z)^2*z^2* (-1 + y + z)) + ((-36*y^2 + 108*y^3 - 103*y^4 + 34*y^5 + 10*y*z + 74*y^2*z - 182*y^3*z + 99*y^4*z - 6*z^2 - 34*y*z^2 - 55*y^2*z^2 + 72*y^3*z^2 + 30*y*z^3 + y^2*z^3 + 6*z^4 - 6*y*z^4)* G[-y, 0, 0, 1 - y, z])/(2*y^2*z*(-1 + y + z)^2) + (((-6*I)*Pi*(-y^2 + 2*y^3 + y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3))/ (y^2*z) - (27*y^5 - 39*y^6 + 9*y^7 + 3*y^8 - 39*y^4*z + 174*y^5*z - 247*y^6*z + 112*y^7*z - 83*y^3*z^2 + 526*y^4*z^2 - 879*y^5*z^2 + 452*y^6*z^2 + 17*y^2*z^3 + 210*y^3*z^3 - 890*y^4*z^3 + 676*y^5*z^3 - 28*y*z^4 - 141*y^2*z^4 - 99*y^3*z^4 + 359*y^4*z^4 - 54*z^5 + 64*y*z^5 + 179*y^2*z^5 - 58*y^3*z^5 + 102*z^6 - 55*y*z^6 - 80*y^2*z^6 - 66*z^7 + 22*y*z^7 + 18*z^8)/ (2*y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, 0, 1, 0, z] + ((-36*y^2 + 108*y^3 - 103*y^4 + 34*y^5 + 10*y*z + 74*y^2*z - 182*y^3*z + 99*y^4*z - 6*z^2 - 34*y*z^2 - 55*y^2*z^2 + 72*y^3*z^2 + 30*y*z^3 + y^2*z^3 + 6*z^4 - 6*y*z^4)*G[-y, 0, 1 - y, 0, z])/ (2*y^2*z*(-1 + y + z)^2) + (((6*I)*Pi*(-1 + y + z)*(3*y + z))/z^2 + (27*y^3 - 48*y^4 + 24*y^5 + 33*y^2*z - 132*y^3*z + 98*y^4*z - 7*y*z^2 - 72*y^2*z^2 + 118*y^3*z^2 + 3*z^3 + 12*y*z^3 + 38*y^2*z^3 - 6*y*z^4)/(2*y^2*z^2*(-1 + y + z)))* G[-y, 0, 1 - y, 1 - y, z] + (((-6*I)*Pi*(-1 + y + z)*(y + 3*z))/y^2 + (18*y^4 - 24*y^5 + 6*y^6 + 34*y^2*z - 76*y^3*z + 53*y^4*z - 14*y^5*z + 5*y*z^2 - 123*y^2*z^2 + 224*y^3*z^2 - 91*y^4*z^2 + 33*z^3 - 110*y*z^3 + 280*y^2*z^3 - 168*y^3*z^3 - 81*z^4 + 208*y*z^4 - 176*y^2*z^4 + 75*z^5 - 106*y*z^5 - 27*z^6)/ (2*y^2*z^2*(-1 + y + z)^2))*G[-y, 0, -y, 1 - y, z] + ((-36*y^2 + 108*y^3 - 103*y^4 + 34*y^5 + 10*y*z + 74*y^2*z - 182*y^3*z + 99*y^4*z - 6*z^2 - 34*y*z^2 - 55*y^2*z^2 + 72*y^3*z^2 + 30*y*z^3 + y^2*z^3 + 6*z^4 - 6*y*z^4)*G[-y, 1 - y, 0, 0, z])/ (2*y^2*z*(-1 + y + z)^2) + (((6*I)*Pi*(-1 + y + z)*(3*y + z))/z^2 + (27*y^3 - 48*y^4 + 24*y^5 + 33*y^2*z - 132*y^3*z + 98*y^4*z - 7*y*z^2 - 72*y^2*z^2 + 118*y^3*z^2 + 3*z^3 + 12*y*z^3 + 38*y^2*z^3 - 6*y*z^4)/(2*y^2*z^2*(-1 + y + z)))* G[-y, 1 - y, 0, 1 - y, z] + (((-6*I)*Pi*(-y^2 + 2*y^3 + y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3))/ (y^2*z) - (27*y^5 - 39*y^6 + 9*y^7 + 3*y^8 - 39*y^4*z + 174*y^5*z - 247*y^6*z + 112*y^7*z - 83*y^3*z^2 + 526*y^4*z^2 - 879*y^5*z^2 + 452*y^6*z^2 + 17*y^2*z^3 + 210*y^3*z^3 - 890*y^4*z^3 + 676*y^5*z^3 - 28*y*z^4 - 141*y^2*z^4 - 99*y^3*z^4 + 359*y^4*z^4 - 54*z^5 + 64*y*z^5 + 179*y^2*z^5 - 58*y^3*z^5 + 102*z^6 - 55*y*z^6 - 80*y^2*z^6 - 66*z^7 + 22*y*z^7 + 18*z^8)/ (2*y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[-y, 1 - y, 1, 0, z] + (((6*I)*Pi*(-1 + y + z)*(3*y + z))/z^2 + (27*y^3 - 48*y^4 + 24*y^5 + 33*y^2*z - 132*y^3*z + 98*y^4*z - 7*y*z^2 - 72*y^2*z^2 + 118*y^3*z^2 + 3*z^3 + 12*y*z^3 + 38*y^2*z^3 - 6*y*z^4)/ (2*y^2*z^2*(-1 + y + z)))*G[-y, 1 - y, 1 - y, 0, z] + ((y - z)*(-9*y^2 + 9*y^3 + 46*y*z - 23*y^2*z - 9*z^2 - 23*y*z^2 + 9*z^3)*G[-y, 1 - y, 1 - y, 1 - y, z])/(2*y^2*z^2) + (((-6*I)*Pi*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2))/(y^2*z^2) - ((y - z)*(-24*y^2 + 54*y^3 - 48*y^4 + 18*y^5 - 62*y*z + 228*y^2*z - 295*y^3*z + 126*y^4*z - 24*z^2 + 228*y*z^2 - 494*y^2*z^2 + 270*y^3*z^2 + 54*z^3 - 295*y*z^3 + 270*y^2*z^3 - 48*z^4 + 126*y*z^4 + 18*z^5))/(2*y^2*z^2*(-1 + y + z)^2))* G[-y, 1 - y, -y, 1 - y, z] + (((6*I)*Pi*(-1 + y + z)*(3*y + z))/z^2 + (-27*y^3 + 27*y^4 + 21*y^2*z + 24*y^3*z - 8*y*z^2 + y^2*z^2 + 6*z^3 - 2*y*z^3 - 6*z^4)/(2*y^2*z^2))*G[-y, -y, 0, 1 - y, z] + (((6*I)*Pi*(-1 + y + z)*(3*y + z))/z^2 + (-27*y^3 + 27*y^4 + 21*y^2*z + 24*y^3*z - 8*y*z^2 + y^2*z^2 + 6*z^3 - 2*y*z^3 - 6*z^4)/(2*y^2*z^2))*G[-y, -y, 1 - y, 0, z] + (((-6*I)*Pi*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2))/(y^2*z^2) - ((y - z)*(24*y^2 - 54*y^3 + 27*y^4 + 64*y*z - 200*y^2*z + 134*y^3*z + 24*z^2 - 200*y*z^2 + 214*y^2*z^2 - 54*z^3 + 134*y*z^3 + 27*z^4))/(2*y^2*z^2*(-1 + y + z)))* G[-y, -y, 1 - y, 1 - y, z] + (((-6*I)*Pi*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2))/(y^2*z^2) - ((y - z)*(-33*y^2 + 117*y^3 - 123*y^4 + 39*y^5 - 4*y*z + 175*y^2*z - 313*y^3*z + 145*y^4*z - 33*z^2 + 175*y*z^2 - 380*y^2*z^2 + 258*y^3*z^2 + 117*z^3 - 313*y*z^3 + 258*y^2*z^3 - 123*z^4 + 145*y*z^4 + 39*z^5))/(2*y^2*z^2*(-1 + y + z)^2))* G[-y, -y, -y, 1 - y, z] + (3*(-5*y + 5*y^2 - 3*z - 16*y*z + 3*z^2)* G[0, 0, 0, 0, 1, y])/(-1 + y + z)^2 - (9*(-y^3 + y^4 - 3*z + 8*y*z - 7*y^2*z + 9*z^2 - 16*y*z^2 + 7*y^2*z^2 - 9*z^3 + 8*y*z^3 + 3*z^4)*G[0, 0, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) - (9*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)*G[0, 0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (6*(y - z)*G[0, 0, 0, 1, 1, y])/(-1 + y + z) + (9*(-y + 3*y^2 - 2*y^3 - 3*z + 12*y*z - 14*y^2*z + 10*y^3*z + 9*z^2 - 21*y*z^2 + 11*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)* G[0, 0, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (3*(-3*y^3 + 3*y^4 + 6*z - 16*y*z + 14*y^2*z - 10*y^3*z - 18*z^2 + 32*y*z^2 - 14*y^2*z^2 + 18*z^3 - 16*y*z^3 - 6*z^4)* G[0, 0, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) - (6*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[0, 0, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (12*(-y + y^2 - z - 4*y*z + z^2)*G[0, 0, 1, 0, 1, y])/(-1 + y + z)^2 + (3*(-3*y^3 + 3*y^4 + 6*z - 16*y*z + 14*y^2*z - 10*y^3*z - 18*z^2 + 32*y*z^2 - 14*y^2*z^2 + 18*z^3 - 16*y*z^3 - 6*z^4)* G[0, 0, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) - (3*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[0, 0, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - (9*(-1 + z)*z*(3 - 8*y + 8*y^2 - 6*z + 8*y*z + 3*z^2)* G[0, 0, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (9*(-y + 3*y^2 - 2*y^3 - 3*z + 12*y*z - 14*y^2*z + 10*y^3*z + 9*z^2 - 21*y*z^2 + 11*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)* G[0, 0, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (3*(3*y - 6*y^2 + y^3 + 9*z - 24*y*z + 17*y^2*z - 18*z^2 + 21*y*z^2 + 9*z^3)*G[0, 0, -y, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)) - (3*(-y + 3*y^2 - 3*y^3 + y^4 - 3*z + 12*y*z - 16*y^2*z + 4*y^3*z + 9*z^2 - 21*y*z^2 + 13*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)* G[0, 0, -y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (3*(-y + y^2 + 5*z + 8*y*z - 5*z^2)*G[0, 1, 0, 0, 1, y])/ (-1 + y + z)^2 - (6*(1 + 2*y - z)*z*G[0, 1, 0, 0, 1 - y, z])/ (-1 + y + z)^2 - (3*(-2*y^3 + 2*y^4 + 9*z - 24*y*z + 21*y^2*z - 10*y^3*z - 27*z^2 + 48*y*z^2 - 21*y^2*z^2 + 27*z^3 - 24*y*z^3 - 9*z^4)*G[0, 1, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (6*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[0, 1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (3*(y - 2*y^2 + 3*y^3 + 3*z - 8*y*z + 3*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)*G[0, 1, 0, 1, 1, y])/(y^2*(-1 + y + z)) - (6*(1 + 2*y - z)*z*G[0, 1, 0, 1 - y, 0, z])/(-1 + y + z)^2 - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[0, 1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)) + (6*(-y^3 + y^4 - 3*z + 8*y*z - 7*y^2*z + 9*z^2 - 16*y*z^2 + 7*y^2*z^2 - 9*z^3 + 8*y*z^3 + 3*z^4)*G[0, 1, 1, 0, 0, y])/ (y^2*(-1 + y + z)^2) + (6*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)*G[0, 1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (3*(y - 3*y^2 + y^3 + y^4 + 3*z - 12*y*z + 16*y^2*z - 8*y^3*z - 9*z^2 + 21*y*z^2 - 13*y^2*z^2 + 9*z^3 - 10*y*z^3 - 3*z^4)* G[0, 1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (6*(1 + 2*y - z)*z*G[0, 1, 1, 0, 1 - y, z])/(-1 + y + z)^2 + (3*(-3*y^3 + 3*y^4 + 3*z - 8*y*z + 7*y^2*z - 8*y^3*z - 9*z^2 + 16*y*z^2 - 7*y^2*z^2 + 9*z^3 - 8*y*z^3 - 3*z^4)* G[0, 1, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + (6*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[0, 1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - (6*(1 + 2*y - z)*z*G[0, 1, 1, 1 - y, 0, z])/(-1 + y + z)^2 - (6*(1 + 2*y - z)*z*G[0, 1, 1 - y, 0, 0, z])/(-1 + y + z)^2 - (6*z*(-3 + 2*y + 3*z)*G[0, 1, 1 - y, 1, 0, z])/y^2 - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[0, 1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)) + (3*(-y^2 + 4*y^3 - 5*y^4 + 2*y^5 + 3*y^2*z - 8*y^3*z + 5*y^4*z + 12*z^2 - 32*y*z^2 + 23*y^2*z^2 - 8*y^3*z^2 - 36*z^3 + 64*y*z^3 - 25*y^2*z^3 + 36*z^4 - 32*y*z^4 - 12*z^5)*G[0, 1 - y, 0, 1, 0, z])/ (y^2*z*(-1 + y + z)^2) - (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 12*y^3*z - 21*y^4*z + 10*y^5*z - 2*y*z^2 + 9*y^2*z^2 - 18*y^3*z^2 + 11*y^4*z^2 - 6*z^3 + 24*y*z^3 - 35*y^2*z^3 + 20*y^3*z^3 + 18*z^4 - 42*y*z^4 + 27*y^2*z^4 - 18*z^5 + 20*y*z^5 + 6*z^6)* G[0, 1 - y, 0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - (6*z*(-6 + 16*y - 15*y^2 + 2*y^3 + 18*z - 32*y*z + 15*y^2*z - 18*z^2 + 16*y*z^2 + 6*z^3)*G[0, 1 - y, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (3*z*(-9 + 24*y - 22*y^2 + 4*y^3 + 27*z - 48*y*z + 22*y^2*z - 27*z^2 + 24*y*z^2 + 9*z^3)*G[0, 1 - y, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - (3*(-y^2 + 4*y^3 - 5*y^4 + 2*y^5 + 3*y^2*z - 8*y^3*z + 5*y^4*z + 9*z^2 - 24*y*z^2 + 16*y^2*z^2 - 6*y^3*z^2 - 27*z^3 + 48*y*z^3 - 18*y^2*z^3 + 27*z^4 - 24*y*z^4 - 9*z^5)*G[0, 1 - y, 1 - y, 1, 0, z])/(y^2*z*(-1 + y + z)^2) + (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 12*y^3*z - 21*y^4*z + 10*y^5*z - 3*y*z^2 + 12*y^2*z^2 - 21*y^3*z^2 + 12*y^4*z^2 - 9*z^3 + 36*y*z^3 - 50*y^2*z^3 + 26*y^3*z^3 + 27*z^4 - 63*y*z^4 + 39*y^2*z^4 - 27*z^5 + 30*y*z^5 + 9*z^6)*G[0, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + (6*(2*y - 4*y^2 + y^3 + 6*z - 16*y*z + 11*y^2*z - 12*z^2 + 14*y*z^2 + 6*z^3)*G[0, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)) + (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 9*z + 36*y*z - 46*y^2*z + 16*y^3*z + 27*z^2 - 63*y*z^2 + 37*y^2*z^2 - 27*z^3 + 30*y*z^3 + 9*z^4)*G[0, 1 - y, -y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (3*(1 + 2*y - z)*z*G[0, -y, 0, 0, 1 - y, z])/(-1 + y + z)^2 - (3*(-y^2 + 4*y^3 - 5*y^4 + 2*y^5 + 3*y^2*z - 8*y^3*z + 5*y^4*z + 15*z^2 - 40*y*z^2 + 31*y^2*z^2 - 8*y^3*z^2 - 45*z^3 + 80*y*z^3 - 33*y^2*z^3 + 45*z^4 - 40*y*z^4 - 15*z^5)*G[0, -y, 0, 1, 0, z])/ (y^2*z*(-1 + y + z)^2) - (3*(1 + 2*y - z)*z*G[0, -y, 0, 1 - y, 0, z])/ (-1 + y + z)^2 + (3*(-1 + y + z)*(3*y + z)*G[0, -y, 0, 1 - y, 1 - y, z])/z^2 + (3*(y - z)*G[0, -y, 0, -y, 1 - y, z])/(-1 + y + z) - (3*(1 + 2*y - z)*z*G[0, -y, 1 - y, 0, 0, z])/(-1 + y + z)^2 + (3*(-1 + y + z)*(3*y + z)*G[0, -y, 1 - y, 0, 1 - y, z])/z^2 - (3*(-y^2 + 4*y^3 - 5*y^4 + 2*y^5 + 3*y^2*z - 8*y^3*z + 5*y^4*z + 15*z^2 - 40*y*z^2 + 31*y^2*z^2 - 8*y^3*z^2 - 45*z^3 + 80*y*z^3 - 33*y^2*z^3 + 45*z^4 - 40*y*z^4 - 15*z^5)*G[0, -y, 1 - y, 1, 0, z])/ (y^2*z*(-1 + y + z)^2) + (3*(-1 + y + z)*(3*y + z)* G[0, -y, 1 - y, 1 - y, 0, z])/z^2 + (9*(-1 + y + z)*(y + 3*z)*G[0, -y, 1 - y, 1 - y, 1 - y, z])/y^2 - (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 12*y^3*z - 21*y^4*z + 10*y^5*z + y*z^2 - 11*y^3*z^2 + 10*y^4*z^2 + 3*z^3 - 12*y*z^3 + 13*y^2*z^3 + 4*y^3*z^3 - 9*z^4 + 21*y*z^4 - 12*y^2*z^4 + 9*z^5 - 10*y*z^5 - 3*z^6)*G[0, -y, 1 - y, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + (3*(-1 + y + z)*(3*y + z)* G[0, -y, -y, 0, 1 - y, z])/z^2 + (3*(-1 + y + z)*(3*y + z)* G[0, -y, -y, 1 - y, 0, z])/z^2 - (3*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[0, -y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 12*y^3*z - 21*y^4*z + 10*y^5*z - 2*y*z^2 + 9*y^2*z^2 - 22*y^3*z^2 + 15*y^4*z^2 - 6*z^3 + 24*y*z^3 - 34*y^2*z^3 + 14*y^3*z^3 + 18*z^4 - 42*y*z^4 + 26*y^2*z^4 - 18*z^5 + 20*y*z^5 + 6*z^6)*G[0, -y, -y, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 9*z + 36*y*z - 44*y^2*z + 20*y^3*z + 27*z^2 - 63*y*z^2 + 35*y^2*z^2 - 27*z^3 + 30*y*z^3 + 9*z^4)*G[1, 0, 0, 0, 1, y])/ (y^2*(-1 + y + z)^2) - (9*(1 + 2*y - z)*z*G[1, 0, 0, 0, 1 - y, z])/ (-1 + y + z)^2 + (3*(-2*y + 6*y^2 - 5*y^3 + y^4 - 3*z + 16*y*z - 23*y^2*z + 12*y^3*z + 9*z^2 - 26*y*z^2 + 17*y^2*z^2 - 9*z^3 + 12*y*z^3 + 3*z^4)*G[1, 0, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (3*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[1, 0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (6*(-y + 3*y^2 - 3*y^3 + y^4 - 3*z + 12*y*z - 16*y^2*z + 4*y^3*z + 9*z^2 - 21*y*z^2 + 13*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)* G[1, 0, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) - (9*(1 + 2*y - z)*z*G[1, 0, 0, 1 - y, 0, z])/(-1 + y + z)^2 - (6*(1 + 2*y - z)*z*G[1, 0, 0, 1 - y, 1 - y, z])/(-1 + y + z)^2 + (3*(-y + 3*y^2 - 2*y^3 - 3*z + 12*y*z - 11*y^2*z + 16*y^3*z + 9*z^2 - 21*y*z^2 + 8*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)* G[1, 0, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (3*(-2 + 6*y - 7*y^2 + 3*y^3 + 8*z - 16*y*z + 6*y^2*z - 10*z^2 + 10*y*z^2 + 4*z^3)*G[1, 0, 1, 0, 0, y])/(y*(-1 + y + z)^2) + (12*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[1, 0, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (3*(-2*y + 6*y^2 - 6*y^3 + 2*y^4 - 6*z + 24*y*z - 27*y^2*z + 18*y^3*z + 18*z^2 - 42*y*z^2 + 21*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4)*G[1, 0, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (6*(1 + 2*y - z)*z*G[1, 0, 1, 0, 1 - y, z])/(-1 + y + z)^2 - (3*(-y + y^2 + 12*z - 6*y*z - 12*z^2)*G[1, 0, 1, 1, 0, y])/y^2 + (9*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[1, 0, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - (6*(1 + 2*y - z)*z*G[1, 0, 1, 1 - y, 0, z])/(-1 + y + z)^2 - (9*(1 + 2*y - z)*z*G[1, 0, 1 - y, 0, 0, z])/(-1 + y + z)^2 - (6*(1 + 2*y - z)*z*G[1, 0, 1 - y, 0, 1 - y, z])/(-1 + y + z)^2 - (6*z*(-6 + 16*y - 15*y^2 + 2*y^3 + 18*z - 32*y*z + 15*y^2*z - 18*z^2 + 16*y*z^2 + 6*z^3)*G[1, 0, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (6*(1 + 2*y - z)*z*G[1, 0, 1 - y, 1 - y, 0, z])/(-1 + y + z)^2 - (3*(-2*y + 6*y^2 - 4*y^3 - 6*z + 24*y*z - 33*y^2*z + 10*y^3*z + 18*z^2 - 42*y*z^2 + 27*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4)* G[1, 0, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 0, -y, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)) - (3*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, 0, -y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (9*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[1, 1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) - (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 9*z + 36*y*z - 43*y^2*z + 22*y^3*z + 27*z^2 - 63*y*z^2 + 34*y^2*z^2 - 27*z^3 + 30*y*z^3 + 9*z^4)*G[1, 1, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) - (6*(1 + 2*y - z)*z*G[1, 1, 0, 0, 1 - y, z])/(-1 + y + z)^2 + (12*(-y + y^2 - 6*z + 6*y*z + 6*z^2)*G[1, 1, 0, 1, 0, y])/y^2 + (6*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[1, 1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 9*z + 36*y*z - 43*y^2*z + 22*y^3*z + 27*z^2 - 63*y*z^2 + 34*y^2*z^2 - 27*z^3 + 30*y*z^3 + 9*z^4)*G[1, 1, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) - (6*(1 + 2*y - z)*z*G[1, 1, 0, 1 - y, 0, z])/(-1 + y + z)^2 - (6*(1 + 2*y - z)*z*G[1, 1, 0, 1 - y, 1 - y, z])/(-1 + y + z)^2 + (3*(-4*y + 12*y^2 - 8*y^3 - 12*z + 48*y*z - 59*y^2*z + 34*y^3*z + 36*z^2 - 84*y*z^2 + 47*y^2*z^2 - 36*z^3 + 40*y*z^3 + 12*z^4)* G[1, 1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (6*(-1 + y + 2*z)*G[1, 1, 1, 0, 0, y])/y + (6*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[1, 1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (9*(-y + 3*y^2 - 3*y^3 + y^4 - 3*z + 12*y*z - 16*y^2*z + 4*y^3*z + 9*z^2 - 21*y*z^2 + 13*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)* G[1, 1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (3*(1 + 2*y - z)*z*G[1, 1, 1, 0, 1 - y, z])/(-1 + y + z)^2 - (3*(-5*y + 5*y^2 - 24*z + 26*y*z + 24*z^2)*G[1, 1, 1, 1, 0, y])/y^2 - (3*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* G[1, 1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (3*(1 + 2*y - z)*z*G[1, 1, 1, 1 - y, 0, z])/(-1 + y + z)^2 - (6*(1 + 2*y - z)*z*G[1, 1, 1 - y, 0, 0, z])/(-1 + y + z)^2 - (6*(1 + 2*y - z)*z*G[1, 1, 1 - y, 0, 1 - y, z])/(-1 + y + z)^2 + (3*z*(3 - 8*y + 9*y^2 + 2*y^3 - 9*z + 16*y*z - 9*y^2*z + 9*z^2 - 8*y*z^2 - 3*z^3)*G[1, 1, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (6*(1 + 2*y - z)*z*G[1, 1, 1 - y, 1 - y, 0, z])/(-1 + y + z)^2 + (3*(-4*y + 12*y^2 - 8*y^3 - 12*z + 48*y*z - 59*y^2*z + 34*y^3*z + 36*z^2 - 84*y*z^2 + 47*y^2*z^2 - 36*z^3 + 40*y*z^3 + 12*z^4)* G[1, 1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (9*(1 + 2*y - z)*z*G[1, 1 - y, 0, 0, 0, z])/(-1 + y + z)^2 - (6*(1 + 2*y - z)*z*G[1, 1 - y, 0, 0, 1 - y, z])/(-1 + y + z)^2 - (6*z*(-6 + 16*y - 15*y^2 + 2*y^3 + 18*z - 32*y*z + 15*y^2*z - 18*z^2 + 16*y*z^2 + 6*z^3)*G[1, 1 - y, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (6*(1 + 2*y - z)*z*G[1, 1 - y, 0, 1 - y, 0, z])/(-1 + y + z)^2 - (3*(-2*y + 6*y^2 - 4*y^3 - 6*z + 24*y*z - 33*y^2*z + 10*y^3*z + 18*z^2 - 42*y*z^2 + 27*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4)* G[1, 1 - y, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (6*z*(-6 + 16*y - 15*y^2 + 2*y^3 + 18*z - 32*y*z + 15*y^2*z - 18*z^2 + 16*y*z^2 + 6*z^3)*G[1, 1 - y, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (9*(1 + 2*y - z)*z*G[1, 1 - y, 1, 0, 1 - y, z])/(-1 + y + z)^2 + (3*z*(6 - 16*y + 17*y^2 + 2*y^3 - 18*z + 32*y*z - 17*y^2*z + 18*z^2 - 16*y*z^2 - 6*z^3)*G[1, 1 - y, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - (9*(1 + 2*y - z)*z*G[1, 1 - y, 1, 1 - y, 0, z])/(-1 + y + z)^2 - (6*(1 + 2*y - z)*z*G[1, 1 - y, 1 - y, 0, 0, z])/(-1 + y + z)^2 + (12*z*(-3 + 2*y + 3*z)*G[1, 1 - y, 1 - y, 1, 0, z])/y^2 - (3*(-2*y + 6*y^2 - 4*y^3 - 6*z + 24*y*z - 33*y^2*z + 10*y^3*z + 18*z^2 - 42*y*z^2 + 27*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4)* G[1, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)) - (3*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, 1 - y, -y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 2*y^2*z - 6*y^4*z + 4*y^5*z - 6*y^2*z^2 + 9*y^3*z^2 - 3*y^4*z^2 + 9*z^3 - 24*y*z^3 + 28*y^2*z^3 - 10*y^3*z^3 - 27*z^4 + 48*y*z^4 - 24*y^2*z^4 + 27*z^5 - 24*y*z^5 - 9*z^6)*G[1 - y, 0, 0, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) + (3*(6*y^3 - 12*y^4 + 6*y^5 + 2*y^2*z - 16*y^3*z + 14*y^4*z - 3*y*z^2 + 2*y^2*z^2 + 6*y^3*z^2 - 9*z^3 + 24*y*z^3 - 12*y^2*z^3 + 18*z^4 - 21*y*z^4 - 9*z^5)*G[1 - y, 0, 0, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)) - (6*(-y^2 + 2*y^3 + y^2*z - 6*z^2 + 4*y*z^2 + 6*z^3)*G[1 - y, 0, 1, 0, 0, z])/(y^2*z) - (3*(-3*y^3 + 3*y^4 - y^2*z + 4*y^3*z + y^2*z^2 - 9*z^3 + 6*y*z^3 + 9*z^4)*G[1 - y, 0, 1, 1, 0, z])/(y^2*z^2) - (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 2*y^2*z - 6*y^4*z + 4*y^5*z - 6*y^2*z^2 + 9*y^3*z^2 - 3*y^4*z^2 + 6*z^3 - 16*y*z^3 + 21*y^2*z^3 - 8*y^3*z^3 - 18*z^4 + 32*y*z^4 - 17*y^2*z^4 + 18*z^5 - 16*y*z^5 - 6*z^6)*G[1 - y, 0, 1 - y, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) - (3*(6*y^3 - 12*y^4 + 6*y^5 + 2*y^2*z - 16*y^3*z + 14*y^4*z - 4*y*z^2 + 4*y^2*z^2 + 5*y^3*z^2 - 12*z^3 + 32*y*z^3 - 17*y^2*z^3 + 24*z^4 - 28*y*z^4 - 12*z^5)*G[1 - y, 0, 1 - y, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)) + (6*(-1 + y + z)*(3*y^3 + y^2*z + 2*y*z^2 + 6*z^3)*G[1 - y, 0, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(3*y^3 + y^2*z + 3*y*z^2 + 9*z^3)* G[1 - y, 0, -y, -y, 1 - y, z])/(y^2*z^2) - (9*z*(-3 + 2*y + 3*z)*G[1 - y, 1, 0, 0, 0, z])/y^2 + (3*(1 + 2*y - z)*z*G[1 - y, 1, 0, 0, 1 - y, z])/(-1 + y + z)^2 - (3*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - y^2*z + 20*y^3*z - 37*y^4*z + 18*y^5*z + 3*y^2*z^2 - 22*y^3*z^2 + 19*y^4*z^2 - 3*z^3 + 8*y*z^3 - 9*y^2*z^3 + 12*y^3*z^3 + 9*z^4 - 16*y*z^4 + 7*y^2*z^4 - 9*z^5 + 8*y*z^5 + 3*z^6)*G[1 - y, 1, 0, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + (3*(1 + 2*y - z)*z*G[1 - y, 1, 0, 1 - y, 0, z])/(-1 + y + z)^2 - (3*(-1 + y + z)*(3*y + z)* G[1 - y, 1, 0, 1 - y, 1 - y, z])/z^2 + (3*(3*y^3 - 6*y^4 + 3*y^5 + y^2*z - 8*y^3*z + 7*y^4*z - 5*y*z^2 + 8*y^2*z^2 - y^3*z^2 - 15*z^3 + 40*y*z^3 - 23*y^2*z^3 + 30*z^4 - 35*y*z^4 - 15*z^5)*G[1 - y, 1, 0, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)) - (3*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)*G[1 - y, 1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (3*(1 + 2*y - z)*z*G[1 - y, 1, 1, 0, 1 - y, z])/(-1 + y + z)^2 + (3*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - y^2*z + 20*y^3*z - 37*y^4*z + 18*y^5*z + 3*y^2*z^2 - 22*y^3*z^2 + 19*y^4*z^2 - 6*z^3 + 16*y*z^3 - 18*y^2*z^3 + 10*y^3*z^3 + 18*z^4 - 32*y*z^4 + 16*y^2*z^4 - 18*z^5 + 16*y*z^5 + 6*z^6)*G[1 - y, 1, 1, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + (3*(1 + 2*y - z)*z*G[1 - y, 1, 1, 1 - y, 0, z])/(-1 + y + z)^2 + (3*(1 + 2*y - z)*z*G[1 - y, 1, 1 - y, 0, 0, z])/(-1 + y + z)^2 - (3*(-1 + y + z)*(3*y + z)* G[1 - y, 1, 1 - y, 0, 1 - y, z])/z^2 + (3*(-1 + 2*y + z)*G[1 - y, 1, 1 - y, 1, 0, z])/z - (3*(-1 + y + z)*(3*y + z)*G[1 - y, 1, 1 - y, 1 - y, 0, z])/z^2 + (3*(3*y^3 - 6*y^4 + 3*y^5 + y^2*z - 8*y^3*z + 7*y^4*z - 5*y*z^2 + 8*y^2*z^2 - y^3*z^2 - 15*z^3 + 40*y*z^3 - 23*y^2*z^3 + 30*z^4 - 35*y*z^4 - 15*z^5)*G[1 - y, 1, 1 - y, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)) - (9*(-6*y^3 + 6*y^4 - y^2*z + 6*y^3*z + y^2*z^2 + 3*z^3 - 2*y*z^3 - 3*z^4)*G[1 - y, 1 - y, 0, 1, 0, z])/ (y^2*z^2) + (9*(-1 + y + z)*(y + z)*(3*y^2 - 2*y*z + 3*z^2)* G[1 - y, 1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + (3*(-2*y^2 + 4*y^3 + 2*y^2*z - 9*z^2 + 6*y*z^2 + 9*z^3)* G[1 - y, 1 - y, 1, 0, 0, z])/(y^2*z) + (3*(-3*y^3 + 3*y^4 - y^2*z + 4*y^3*z + y^2*z^2 - 3*z^3 + 2*y*z^3 + 3*z^4)*G[1 - y, 1 - y, 1, 1, 0, z])/(y^2*z^2) + (9*(-6*y^3 + 6*y^4 - y^2*z + 6*y^3*z + y^2*z^2 + 3*z^3 - 2*y*z^3 - 3*z^4)*G[1 - y, 1 - y, 1 - y, 1, 0, z])/(y^2*z^2) - (9*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[1 - y, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (6*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[1 - y, 1 - y, -y, 1 - y, 1 - y, z])/ (y^2*z^2) - (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)* G[1 - y, 1 - y, -y, -y, 1 - y, z])/(y^2*z^2) + (6*(-y^2 + 2*y^3 + y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3)* G[1 - y, -y, 0, 1, 0, z])/(y^2*z) - (6*(-1 + y + z)*(3*y + z)*G[1 - y, -y, 0, 1 - y, 1 - y, z])/z^2 + (6*(-1 + y + z)*(y + 3*z)*G[1 - y, -y, 0, -y, 1 - y, z])/y^2 - (6*(-1 + y + z)*(3*y + z)*G[1 - y, -y, 1 - y, 0, 1 - y, z])/z^2 + (6*(-y^2 + 2*y^3 + y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3)* G[1 - y, -y, 1 - y, 1, 0, z])/(y^2*z) - (6*(-1 + y + z)*(3*y + z)*G[1 - y, -y, 1 - y, 1 - y, 0, z])/z^2 + (6*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[1 - y, -y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)* G[1 - y, -y, -y, 0, 1 - y, z])/z^2 - (6*(-1 + y + z)*(3*y + z)*G[1 - y, -y, -y, 1 - y, 0, z])/z^2 + (6*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[1 - y, -y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (6*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[1 - y, -y, -y, -y, 1 - y, z])/(y^2*z^2) + (3*(-3*y^3 + 3*y^4 - 3*y^2*z + 8*y^3*z + 3*y^2*z^2 - 6*z^3 + 4*y*z^3 + 6*z^4)*G[-y, 0, 0, 1, 0, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, 0, 0, 1 - y, 1 - y, z])/z^2 - (12*(-1 + y + z)*(y + 3*z)*G[-y, 0, 0, -y, 1 - y, z])/y^2 + (6*(-y^2 + 2*y^3 + y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3)* G[-y, 0, 1, 0, 0, z])/(y^2*z) - (3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 0, 1, 1, 0, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, 0, 1 - y, 0, 1 - y, z])/z^2 + (3*(-3*y^3 + 3*y^4 - 3*y^2*z + 8*y^3*z + 3*y^2*z^2 - 6*z^3 + 4*y*z^3 + 6*z^4)*G[-y, 0, 1 - y, 1, 0, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, 0, 1 - y, 1 - y, 0, z])/z^2 - (9*(-1 + y + z)*(3*y + z)*G[-y, 0, 1 - y, 1 - y, 1 - y, z])/z^2 + (6*(-1 + y + z)*(3*y^3 + y^2*z + 2*y*z^2 + 6*z^3)* G[-y, 0, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (9*(-1 + y + z)*(3*y + z)*G[-y, 0, -y, 0, 1 - y, z])/z^2 - (9*(-1 + y + z)*(3*y + z)*G[-y, 0, -y, 1 - y, 0, z])/z^2 + (6*(-1 + y + z)*(3*y^3 + y^2*z + 2*y*z^2 + 6*z^3)* G[-y, 0, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(9*y^3 + 3*y^2*z + 2*y*z^2 + 6*z^3)* G[-y, 0, -y, -y, 1 - y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, 1 - y, 0, 0, 1 - y, z])/z^2 + (3*(-3*y^3 + 3*y^4 - 3*y^2*z + 8*y^3*z + 3*y^2*z^2 - 6*z^3 + 4*y*z^3 + 6*z^4)*G[-y, 1 - y, 0, 1, 0, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, 1 - y, 0, 1 - y, 0, z])/z^2 - (9*(-1 + y + z)*(3*y + z)*G[-y, 1 - y, 0, 1 - y, 1 - y, z])/z^2 + (6*(-1 + y + z)*(3*y^3 + y^2*z + 2*y*z^2 + 6*z^3)* G[-y, 1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + (6*(-y^2 + 2*y^3 + y^2*z - 3*z^2 + 2*y*z^2 + 3*z^3)* G[-y, 1 - y, 1, 0, 0, z])/(y^2*z) - (3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 1 - y, 1, 1, 0, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, 1 - y, 1 - y, 0, 0, z])/z^2 - (9*(-1 + y + z)*(3*y + z)*G[-y, 1 - y, 1 - y, 0, 1 - y, z])/z^2 + (3*(-15*y^3 + 15*y^4 - 4*y^2*z + 18*y^3*z + 4*y^2*z^2 + 3*z^3 - 2*y*z^3 - 3*z^4)*G[-y, 1 - y, 1 - y, 1, 0, z])/(y^2*z^2) - (9*(-1 + y + z)*(3*y + z)*G[-y, 1 - y, 1 - y, 1 - y, 0, z])/z^2 + (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[-y, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)* G[-y, 1 - y, -y, 0, 1 - y, z])/z^2 - (6*(-1 + y + z)*(3*y + z)*G[-y, 1 - y, -y, 1 - y, 0, z])/z^2 + (12*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)* G[-y, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (9*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[-y, 1 - y, -y, -y, 1 - y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)* G[-y, -y, 0, 0, 1 - y, z])/z^2 + (3*(-15*y^3 + 15*y^4 - y^2*z + 12*y^3*z + y^2*z^2 + 12*z^3 - 8*y*z^3 - 12*z^4)*G[-y, -y, 0, 1, 0, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, -y, 0, 1 - y, 0, z])/z^2 - (6*(-1 + y + z)*(3*y + z)*G[-y, -y, 0, 1 - y, 1 - y, z])/z^2 + (3*(-1 + y + z)*(6*y^3 + 2*y^2*z + y*z^2 + 3*z^3)* G[-y, -y, 0, -y, 1 - y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, -y, 1 - y, 0, 0, z])/z^2 - (6*(-1 + y + z)*(3*y + z)*G[-y, -y, 1 - y, 0, 1 - y, z])/z^2 + (3*(-15*y^3 + 15*y^4 - y^2*z + 12*y^3*z + y^2*z^2 + 12*z^3 - 8*y*z^3 - 12*z^4)*G[-y, -y, 1 - y, 1, 0, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, -y, 1 - y, 1 - y, 0, z])/z^2 + (9*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[-y, -y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + (6*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[-y, -y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(3*y + z)*G[-y, -y, -y, 0, 1 - y, z])/z^2 + (3*(-1 + y + z)*(3*y + z)*G[-y, -y, -y, 1 - y, 0, z])/z^2 + (6*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[-y, -y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - (3*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[-y, -y, -y, -y, 1 - y, z])/(y^2*z^2) + ((3*Pi^2*(y - z))/(2*(-1 + y + z)) - (I*Pi*(y - z)*(-72*y + 216*y^2 - 216*y^3 + 72*y^4 - 72*z + 484*y*z - 896*y^2*z + 628*y^3*z - 144*y^4*z + 216*z^2 - 896*y*z^2 + 1231*y^2*z^2 - 629*y^3*z^2 + 78*y^4*z^2 - 216*z^3 + 628*y*z^3 - 629*y^2*z^3 + 211*y^3*z^3 + 72*z^4 - 144*y*z^4 + 78*y^2*z^4))/ ((-1 + y)^2*y*(-1 + z)^2*z*(-1 + y + z)) - ((y - z)*(288 - 1146*y + 2106*y^2 - 2844*y^3 + 3036*y^4 - 1962*y^5 + 522*y^6 - 1146*z + 4784*y*z - 9709*y^2*z + 12849*y^3*z - 10517*y^4*z + 4279*y^5*z - 540*y^6*z + 2106*z^2 - 9709*y*z^2 + 19906*y^2*z^2 - 22524*y^3*z^2 + 13564*y^4*z^2 - 3559*y^5*z^2 + 216*y^6*z^2 - 2844*z^3 + 12849*y*z^3 - 22524*y^2*z^3 + 19610*y^3*z^3 - 8333*y^4*z^3 + 1242*y^5*z^3 + 3036*z^4 - 10517*y*z^4 + 13564*y^2*z^4 - 8333*y^3*z^4 + 2052*y^4*z^4 - 1962*z^5 + 4279*y*z^5 - 3559*y^2*z^5 + 1242*y^3*z^5 + 522*z^6 - 540*y*z^6 + 216*y^2*z^6))/(4*(-1 + y)^2*y*(-1 + z)^2*z* (-1 + y + z)^2*(y + z)))*Zeta[3] + G[0, 0, y]* (((-I)*Pi^3*y*(-1 + y - 2*z))/(-1 + y + z)^2 + (I*Pi*(-1 + y + 2*z)*(21*y - 42*y^2 + 21*y^3 - 4*z + 4*y*z + 4*z^2))/ ((-1 + y)^2*z*(-1 + y + z)) + ((-1 + y + 2*z)*(489*y - 906*y^2 + 417*y^3 - 52*z + 36*y*z + 16*y^2*z + 52*z^2 + 16*y*z^2))/ (6*(-1 + y)^2*z*(-1 + y + z)) + (Pi^2*(36*y^2 - 144*y^3 + 216*y^4 - 144*y^5 + 36*y^6 - 12*y*z - y^2*z + 295*y^3*z - 539*y^4*z + 329*y^5*z - 72*y^6*z + 36*z^2 - 152*y*z^2 + 204*y^2*z^2 - 472*y^3*z^2 + 512*y^4*z^2 - 208*y^5*z^2 + 32*y^6*z^2 - 144*z^3 + 600*y*z^3 - 853*y^2*z^3 + 761*y^3*z^3 - 299*y^4*z^3 + 31*y^5*z^3 + 216*z^4 - 768*y*z^4 + 954*y^2*z^4 - 556*y^3*z^4 + 106*y^4*z^4 - 144*z^5 + 404*y*z^5 - 376*y^2*z^5 + 116*y^3*z^5 + 36*z^6 - 72*y*z^6 + 36*y^2*z^6))/(12*(-1 + y)^2*y*(-1 + z)^2*z* (-1 + y + z)^2) + (3*(y - z)*(-6*y + 6*y^2 - 6*z + 11*y*z + 6*z^2)* G[0, 0, z])/(y*z*(-1 + y + z)) + (((-6*I)*Pi*y*(-1 + y - 2*z))/(-1 + y + z)^2 - (-3*y^2 + 9*y^3 - 9*y^4 + 3*y^5 + 4*y*z + 4*y^2*z - 26*y^3*z + 24*y^4*z - 6*y^5*z + 36*z^2 - 112*y*z^2 + 21*y^2*z^2 + 73*y^3*z^2 - 21*y^4*z^2 + 3*y^5*z^2 - 216*z^3 + 526*y*z^3 - 160*y^2*z^3 - 114*y^3*z^3 + 10*y^4*z^3 + 499*z^4 - 947*y*z^4 + 256*y^2*z^4 + 58*y^3*z^4 - 564*z^5 + 744*y*z^5 - 118*y^2*z^5 + 315*z^6 - 215*y*z^6 - 70*z^7)/(2*y*(-1 + z)^2*z^2* (-1 + y + z)^2))*G[0, 1 - y, z] + ((3 - 9*y - 21*y^2 + 45*y^3 - 18*y^4 - 10*z + 12*y*z + 64*y^2*z - 84*y^3*z + 18*y^4*z + 10*z^2 + 14*y*z^2 - 79*y^2*z^2 + 39*y^3*z^2 - 36*z^3 + 54*y*z^3 - 16*y^2*z^3 + 67*z^4 - 71*y*z^4 - 34*z^5)*G[1, 0, z])/(2*y*z^2*(-1 + y + z)^2) + (((6*I)*Pi*y*(-3 + 3*y + 2*z))/z^2 + (-3*y^2 + 9*y^3 - 33*y^4 + 75*y^5 - 72*y^6 + 24*y^7 - 6*y*z + 28*y^2*z - 34*y^3*z + 6*y^4*z + 8*y^5*z - 2*y^6*z - 3*z^2 + 29*y*z^2 - 13*y^2*z^2 - 245*y^3*z^2 + 486*y^4*z^2 - 254*y^5*z^2 + 10*z^3 - 62*y*z^3 - 52*y^2*z^3 + 506*y^3*z^3 - 448*y^4*z^3 - 46*z^4 + 268*y*z^4 - 229*y^2*z^4 - 127*y^3*z^4 + 144*z^5 - 504*y*z^5 + 298*y^2*z^5 - 175*z^6 + 275*y*z^6 + 70*z^7)/(2*y*z^2*(-1 + y + z)^2* (y + z)^2))*G[1 - y, 0, z] - (3*(-1 + 2*y + z)* (-y + y^2 - 6*z + y*z + 6*z^2)*G[1 - y, 1 - y, z])/ (y*z*(-1 + y + z)) + ((6*y^2 - 6*y^4 - 10*y*z + 34*y^2*z - 30*y^3*z + 6*y^4*z + 36*z^2 - 74*y*z^2 + 55*y^2*z^2 - y^3*z^2 - 108*z^3 + 182*y*z^3 - 72*y^2*z^3 + 103*z^4 - 99*y*z^4 - 34*z^5)* G[-y, 1 - y, z])/(2*y*z^2*(-1 + y + z)^2) - (3*(2*y - 6*y^2 + 3*y^3 + y^4 + 6*z - 24*y*z + 30*y^2*z - 18*y^3*z - 18*z^2 + 42*y*z^2 - 24*y^2*z^2 + 18*z^3 - 20*y*z^3 - 6*z^4)* G[0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (3*(-3*y^3 + 3*y^4 + 2*y^3*z - 6*z^3 + 4*y*z^3 + 6*z^4)* G[0, 1 - y, 0, z])/(y^2*z^2) - (6*(-1 + 2*y + z)* (y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)* G[0, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (3*(-2*y + 6*y^2 - 5*y^3 + y^4 - 6*z + 24*y*z - 30*y^2*z + 14*y^3*z + 18*z^2 - 42*y*z^2 + 24*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4)*G[0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (6*z*(-3 + 2*y + 3*z)*G[1, 0, 0, z])/y^2 + (6*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (6*z*(-3 + 2*y + 3*z)*G[1, 1, 0, z])/y^2 + (6*z*(-3 + 2*y + 3*z)*G[1, 1 - y, 0, z])/y^2 - (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[1 - y, 0, 0, z])/(y^2*z^2) - (3*(-2*y + 6*y^2 - 7*y^3 + 3*y^4 - 6*z + 24*y*z - 30*y^2*z + 10*y^3*z + 18*z^2 - 42*y*z^2 + 24*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4)*G[1 - y, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (3*(-3*y^3 + 3*y^4 + 2*y^3*z + 6*z^3 - 4*y*z^3 - 6*z^4)* G[1 - y, 1, 0, z])/(y^2*z^2) + (3*(-9*y^3 + 9*y^4 + 6*y^3*z + 6*z^3 - 4*y*z^3 - 6*z^4)* G[1 - y, 1 - y, 0, z])/(y^2*z^2) - (6*(-1 + y + z)*(y + 3*z)* G[-y, 0, 1 - y, z])/y^2 + (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 1 - y, 0, z])/ (y^2*z^2) + (6*(-1 + y + z)*(y + 3*z)*G[-y, 1 - y, 1 - y, z])/y^2 + (6*(-1 + y + z)*(y + 3*z)*G[-y, -y, 1 - y, z])/y^2 - (30*y*(-1 + y - 2*z)*Zeta[3])/(-1 + y + z)^2) + G[0, 0, z]*(((-I)*Pi^3*(1 + 2*y - z)*z)/(-1 + y + z)^2 - (I*Pi*(-1 + 2*y + z)*(-4*y + 4*y^2 + 21*z + 4*y*z - 42*z^2 + 21*z^3))/(y*(-1 + z)^2*(-1 + y + z)) - ((-1 + 2*y + z)*(-52*y + 52*y^2 + 489*z + 36*y*z + 16*y^2*z - 906*z^2 + 16*y*z^2 + 417*z^3))/(6*y*(-1 + z)^2*(-1 + y + z)) - (Pi^2*(36*y^2 - 144*y^3 + 216*y^4 - 144*y^5 + 36*y^6 - 12*y*z - 152*y^2*z + 600*y^3*z - 768*y^4*z + 404*y^5*z - 72*y^6*z + 36*z^2 - y*z^2 + 204*y^2*z^2 - 853*y^3*z^2 + 954*y^4*z^2 - 376*y^5*z^2 + 36*y^6*z^2 - 144*z^3 + 295*y*z^3 - 472*y^2*z^3 + 761*y^3*z^3 - 556*y^4*z^3 + 116*y^5*z^3 + 216*z^4 - 539*y*z^4 + 512*y^2*z^4 - 299*y^3*z^4 + 106*y^4*z^4 - 144*z^5 + 329*y*z^5 - 208*y^2*z^5 + 31*y^3*z^5 + 36*z^6 - 72*y*z^6 + 32*y^2*z^6))/ (12*(-1 + y)^2*y*(-1 + z)^2*z*(-1 + y + z)^2) + (((-6*I)*Pi*(1 + 2*y - z)*z)/(-1 + y + z)^2 - (36*y^3 - 144*y^4 + 216*y^5 - 144*y^6 + 36*y^7 - 14*y*z + 58*y^2*z - 206*y^3*z + 410*y^4*z - 364*y^5*z + 116*y^6*z + 9*z^2 + 18*y*z^2 - 28*y^2*z^2 + 12*y^3*z^2 - 57*y^4*z^2 + 46*y^5*z^2 - 9*z^3 - 4*y*z^3 - 14*y^2*z^3 + 86*y^3*z^3 - 59*y^4*z^3 + 3*z^4 - 6*y*z^4 + 3*y^2*z^4 - 4*y^3*z^4 - 3*z^5 + 6*y*z^5 - 3*y^2*z^5)/(2*(-1 + y)^2*y^2*z*(-1 + y + z)^2))* G[0, 1, y] + (((-6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 - (-36*y^4 + 108*y^5 - 108*y^6 + 36*y^7 - 30*y^3*z + 210*y^4*z - 316*y^5*z + 136*y^6*z + 4*y^3*z^2 - 133*y^4*z^2 + 106*y^5*z^2 - 64*y*z^3 - 58*y^2*z^3 + 318*y^3*z^3 - 191*y^4*z^3 - 54*z^4 + 160*y*z^4 + 221*y^2*z^4 - 368*y^3*z^4 + 120*z^5 - 112*y*z^5 - 179*y^2*z^5 - 90*z^6 + 16*y*z^6 + 24*z^7)/ (2*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[1, 0, y] + (3*(-1 + y + 2*z)*(-6*y + 6*y^2 - z + y*z + z^2)*G[1, 1, y])/ (y*z*(-1 + y + z)) - (6*(1 + 2*y - z)*z*G[0, 0, 1, y])/ (-1 + y + z)^2 - (9*z*(-3 + 2*y + 3*z)*G[0, 1, 0, y])/y^2 + (6*(1 + 2*y - z)*z*G[0, 1, 1, y])/(-1 + y + z)^2 + (6*z*(-3 + 2*y + 3*z)*G[1, 0, 0, y])/y^2 - (9*(1 + 2*y - z)*z*G[1, 0, 1, y])/(-1 + y + z)^2 - (6*z*(-3 + 2*y + 3*z)*G[1, 1, 0, y])/y^2 - (30*(1 + 2*y - z)*z*Zeta[3])/(-1 + y + z)^2) + G[1, 0, z]*((I*Pi^3*z*(-3 + 2*y + 3*z))/y^2 - (I*Pi*(-1 + 2*y + z)*(-2*y + 2*y^2 - 4*z - 13*y*z + 15*y^2*z - 13*z^2 + 15*y*z^2))/((-1 + y)*y*(-1 + y + z)*(y + z)) - ((-1 + 2*y + z)*(9*y^2 - 18*y^3 + 9*y^4 + 22*y^2*z - 62*y^3*z + 40*y^4*z - 9*z^2 + 149*y*z^2 - 56*y^2*z^2 - 248*y^3*z^2 + 164*y^4*z^2 + 27*z^3 - 85*y*z^3 - 352*y^2*z^3 + 328*y^3*z^3 - 18*z^4 - 64*y*z^4 + 164*y^2*z^4))/(4*(-1 + y)*y^2*z* (-1 + y + z)^2*(y + z)) - (Pi^2*(12*y - 18*y^2 - 21*y^3 + 45*y^4 - 18*y^5 + 12*z - 76*y*z + 57*y^2*z + 88*y^3*z - 96*y^4*z + 18*y^5*z - 42*z^2 + 152*y*z^2 - 85*y^2*z^2 - 77*y^3*z^2 + 51*y^4*z^2 + 69*z^3 - 150*y*z^3 + 48*y^2*z^3 + 48*y^3*z^3 - 75*z^4 + 88*y*z^4 - 2*y^2*z^4 + 51*z^5 - 26*y*z^5 - 15*z^6))/ (12*y^2*z^2*(-1 + y + z)^2) + ((-12*y + 6*y^2 + 27*y^3 - 18*y^4 - 12*z + 52*y*z + y^2*z - 60*y^3*z + 18*y^4*z + 30*z^2 - 52*y*z^2 - 34*y^2*z^2 + 33*y^3*z^2 - 24*z^3 + 18*y*z^3 - 25*y^2*z^3 + 6*z^4 - 6*y*z^4)*G[1, 1, y])/(2*y^2*z^2*(-1 + y + z)) - (12*(1 + 2*y - z)*z*G[0, 0, 1, y])/(-1 + y + z)^2 + (9*z*(-3 + 2*y + 3*z)*G[0, 1, 0, y])/y^2 + (6*(1 + 2*y - z)*z*G[0, 1, 1, y])/(-1 + y + z)^2 + (6*z*(-3 + 2*y + 3*z)*G[1, 0, 0, y])/y^2 + (9*(1 + 2*y - z)*z*G[1, 0, 1, y])/(-1 + y + z)^2 - (12*z*(-3 + 2*y + 3*z)*G[1, 1, 0, y])/y^2 - (18*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2)* Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1 - y, 1 - y, z]* ((I*Pi^3*(y - z)*(-1 + 2*y + 2*z))/(y*z) + (I*Pi*(y - z)*(-21*y^2 + 21*y^3 - 38*y*z + 63*y^2*z - 21*z^2 + 63*y*z^2 + 21*z^3))/(y*z*(y + z)^2) + ((y - z)*(-72*y - 345*y^2 + 417*y^3 - 72*z - 622*y*z + 1235*y^2*z - 345*z^2 + 1235*y*z^2 + 417*z^3))/(6*y*z*(y + z)^2) - (Pi^2*(y - z)*(-24*y^3 + 102*y^4 - 168*y^5 + 132*y^6 - 48*y^7 + 6*y^8 - 72*y^2*z + 352*y^3*z - 566*y^4*z + 318*y^5*z + 2*y^6*z - 22*y^7*z - 12*y^8*z - 72*y*z^2 + 499*y^2*z^2 - 854*y^3*z^2 - 13*y^4*z^2 + 1152*y^5*z^2 - 906*y^6*z^2 + 188*y^7*z^2 + 6*y^8*z^2 - 24*z^3 + 352*y*z^3 - 854*y^2*z^3 - 400*y^3*z^3 + 3116*y^4*z^3 - 3360*y^5*z^3 + 1292*y^6*z^3 - 122*y^7*z^3 + 102*z^4 - 566*y*z^4 - 13*y^2*z^4 + 3116*y^3*z^4 - 4965*y^4*z^4 + 2854*y^5*z^4 - 524*y^6*z^4 - 168*z^5 + 318*y*z^5 + 1152*y^2*z^5 - 3360*y^3*z^5 + 2854*y^4*z^5 - 792*y^5*z^5 + 132*z^6 + 2*y*z^6 - 906*y^2*z^6 + 1292*y^3*z^6 - 524*y^4*z^6 - 48*z^7 - 22*y*z^7 + 188*y^2*z^7 - 122*y^3*z^7 + 6*z^8 - 12*y*z^8 + 6*y^2*z^8))/ (12*(-1 + y)^2*y^2*(-1 + z)^2*z^2*(-1 + y + z)*(y + z)^2) - (6*(-1 + y + z)*(6*y^3 + 2*y^2*z + y*z^2 + 3*z^3)*G[0, 0, 1, y])/ (y^2*z^2) - (9*(-3*y^3 + 3*y^4 + 2*y^3*z + y*z^2 - y^2*z^2 + 6*z^3 - 6*y*z^3 - 6*z^4)*G[0, 1, 0, y])/(y^2*z^2) - (6*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[0, 1, 1, y])/ (y^2*z^2) - (3*(-9*y^2 + 9*y^3 + 6*y^2*z - 2*z^2 + 2*y*z^2 + 4*z^3)* G[1, 0, 0, y])/(y*z^2) - (9*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[1, 0, 1, y])/(y^2*z^2) + (3*(-6*y^3 + 6*y^4 + 4*y^3*z + 4*y*z^2 - 4*y^2*z^2 + 21*z^3 - 22*y*z^3 - 21*z^4)*G[1, 1, 0, y])/(y^2*z^2) - (3*(y - z)*(-21*y^2 + 21*y^3 - 29*y*z + 51*y^2*z - 21*z^2 + 51*y*z^2 + 21*z^3)*Zeta[3])/(y^2*z^2)) + G[-y, 1 - y, z]*((I*Pi*(y - z)*(-17 + 30*y - 13*y^2 + 30*z - 43*y*z + 15*y^2*z - 13*z^2 + 15*y*z^2))/((-1 + y)*y*(-1 + z)*z) - (I*Pi^3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(y^2*z^2) + ((y - z)*(9*y - 36*y^2 + 45*y^3 - 18*y^4 + 9*z + 141*y*z - 355*y^2*z + 269*y^3*z - 64*y^4*z - 36*z^2 - 355*y*z^2 + 787*y^2*z^2 - 560*y^3*z^2 + 164*y^4*z^2 + 45*z^3 + 269*y*z^3 - 560*y^2*z^3 + 328*y^3*z^3 - 18*z^4 - 64*y*z^4 + 164*y^2*z^4))/(4*(-1 + y)*y^2*(-1 + z)*z^2* (-1 + y + z)) - (Pi^2*(y - z)*(-57*y^4 + 111*y^5 - 75*y^6 + 21*y^7 - 96*y^3*z + 245*y^4*z - 242*y^5*z + 93*y^6*z - 74*y^2*z^2 + 168*y^3*z^2 - 277*y^4*z^2 + 151*y^5*z^2 - 96*y*z^3 + 168*y^2*z^3 - 220*y^3*z^3 + 135*y^4*z^3 - 57*z^4 + 245*y*z^4 - 277*y^2*z^4 + 135*y^3*z^4 + 111*z^5 - 242*y*z^5 + 151*y^2*z^5 - 75*z^6 + 93*y*z^6 + 21*z^7))/(12*y^2*z^2*(-1 + y + z)^2* (y + z)^2) - (3*(-1 + y + z)*(y + z)*(3*y^2 - 2*y*z + 3*z^2)* G[0, 0, 1, y])/(y^2*z^2) - (3*(-6*y^3 + 6*y^4 + 4*y^3*z + y*z^2 - y^2*z^2 + 9*z^3 - 8*y*z^3 - 9*z^4)*G[0, 1, 0, y])/(y^2*z^2) + (3*(-1 + y + z)*(12*y^3 + 4*y^2*z - y*z^2 - 3*z^3)*G[0, 1, 1, y])/ (y^2*z^2) - (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[1, 0, 0, y])/(y^2*z^2) + (3*(-1 + y + z)*(3*y^3 + y^2*z + 2*y*z^2 + 6*z^3)*G[1, 0, 1, y])/ (y^2*z^2) - (3*(-1 + y + z)*(y + 3*z)*G[1, 1, 0, y])/y^2 - (3*(y - z)*(-21*y^2 + 21*y^3 - 30*y*z + 53*y^2*z - 21*z^2 + 53*y*z^2 + 21*z^3)*Zeta[3])/(y^2*z^2)) + G[1, 1, y]*(((-I)*Pi^3*(-1 + 3*y - 3*y^2 + y^3 + 4*z - 7*y*z + 6*y^2*z - 5*z^2 + 4*y*z^2 + 2*z^3))/(y*(-1 + y + z)^2) + (I*Pi*(y - z)*(-21*y^2 + 21*y^3 - 38*y*z + 63*y^2*z - 21*z^2 + 63*y*z^2 + 21*z^3))/(y*z*(y + z)^2) + ((y - z)*(-72*y - 345*y^2 + 417*y^3 - 72*z - 622*y*z + 1235*y^2*z - 345*z^2 + 1235*y*z^2 + 417*z^3))/(6*y*z*(y + z)^2) - (Pi^2*(18*y^2 - 54*y^3 + 36*y^4 + 36*y^5 - 54*y^6 + 18*y^7 - 44*y*z + 108*y^2*z - 156*y^3*z + 296*y^4*z - 372*y^5*z + 204*y^6*z - 36*y^7*z + 9*z^2 + 312*y*z^2 - 1124*y^2*z^2 + 1742*y^3*z^2 - 1600*y^4*z^2 + 868*y^5*z^2 - 219*y^6*z^2 + 12*y^7*z^2 - 45*z^3 - 761*y*z^3 + 2789*y^2*z^3 - 3749*y^3*z^3 + 2491*y^4*z^3 - 806*y^5*z^3 + 81*y^6*z^3 + 93*z^4 + 836*y*z^4 - 2966*y^2*z^4 + 3296*y^3*z^4 - 1531*y^4*z^4 + 268*y^5*z^4 - 99*z^5 - 393*y*z^5 + 1401*y^2*z^5 - 1209*y^3*z^5 + 308*y^4*z^5 + 54*z^6 + 26*y*z^6 - 214*y^2*z^6 + 130*y^3*z^6 - 12*z^7 + 24*y*z^7 - 12*y^2*z^7))/(12*(-1 + y)^2*y^2*(-1 + z)^2*z* (-1 + y + z)^2) + ((-54*y^2 + 54*y^3 + y*z + 53*y^2*z - 9*z^2 + 22*y*z^2 + 9*z^3)*G[1 - y, 0, z])/(2*y^2*z) + ((y - z)*(12*y^2 - 42*y^3 + 45*y^4 - 3*y^5 - 21*y^6 + 9*y^7 + 48*y*z - 202*y^2*z + 366*y^3*z - 305*y^4*z + 62*y^5*z + 49*y^6*z - 18*y^7*z + 12*z^2 - 202*y*z^2 + 690*y^2*z^2 - 1004*y^3*z^2 + 671*y^4*z^2 - 141*y^5*z^2 - 35*y^6*z^2 + 9*y^7*z^2 - 42*z^3 + 366*y*z^3 - 1004*y^2*z^3 + 1200*y^3*z^3 - 633*y^4*z^3 + 98*y^5*z^3 + 11*y^6*z^3 + 45*z^4 - 305*y*z^4 + 671*y^2*z^4 - 633*y^3*z^4 + 230*y^4*z^4 - 12*y^5*z^4 - 3*z^5 + 62*y*z^5 - 141*y^2*z^5 + 98*y^3*z^5 - 12*y^4*z^5 - 21*z^6 + 49*y*z^6 - 35*y^2*z^6 + 11*y^3*z^6 + 9*z^7 - 18*y*z^7 + 9*y^2*z^7)*G[1 - y, -y, z])/(2*(-1 + y)^2*y^2*(-1 + z)^2*z^2* (y + z)^2) + (((6*I)*Pi*(-1 + y + z)*(3*y + z))/z^2 + (27*y^3 - 48*y^4 + 24*y^5 + 33*y^2*z - 132*y^3*z + 98*y^4*z - 7*y*z^2 - 72*y^2*z^2 + 118*y^3*z^2 + 3*z^3 + 12*y*z^3 + 38*y^2*z^3 - 6*y*z^4)/(2*y^2*z^2*(-1 + y + z)))*G[-y, 0, z] + ((y - z)*(-9*y^2 + 9*y^3 + 46*y*z - 23*y^2*z - 9*z^2 - 23*y*z^2 + 9*z^3)*G[-y, 1 - y, z])/(2*y^2*z^2) + (((-6*I)*Pi*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2))/ (y^2*z^2) - ((y - z)*(24*y^2 - 54*y^3 + 27*y^4 + 64*y*z - 200*y^2*z + 134*y^3*z + 24*z^2 - 200*y*z^2 + 214*y^2*z^2 - 54*z^3 + 134*y*z^3 + 27*z^4))/(2*y^2*z^2*(-1 + y + z)))* G[-y, -y, z] - (3*(3*y - 6*y^2 + y^3 + 9*z - 24*y*z + 17*y^2*z - 18*z^2 + 21*y*z^2 + 9*z^3)*G[0, 0, -y, z])/(y^2*(-1 + y + z)) + (6*(2*y - 4*y^2 + y^3 + 6*z - 16*y*z + 11*y^2*z - 12*z^2 + 14*y*z^2 + 6*z^3)*G[0, 1 - y, -y, z])/(y^2*(-1 + y + z)) + (3*(-1 + y + z)*(3*y + z)*G[0, -y, 0, z])/z^2 + (9*(-1 + y + z)*(y + 3*z)*G[0, -y, 1 - y, z])/y^2 - (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[0, -y, -y, z])/ (y^2*z^2) - (6*(1 + 2*y - z)*z*G[1, 0, 0, z])/(-1 + y + z)^2 - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 0, -y, z])/(y^2*(-1 + y + z)) - (6*(1 + 2*y - z)*z*G[1, 1, 0, z])/(-1 + y + z)^2 - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 1 - y, -y, z])/(y^2*(-1 + y + z)) + (6*(-1 + y + z)*(3*y^3 + y^2*z + 2*y*z^2 + 6*z^3)* G[1 - y, 0, -y, z])/(y^2*z^2) - (3*(-1 + y + z)*(3*y + z)* G[1 - y, 1, 0, z])/z^2 - (6*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[1 - y, 1 - y, -y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[1 - y, -y, 0, z])/z^2 + (6*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[1 - y, -y, -y, z])/ (y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, 0, 0, z])/z^2 - (9*(-1 + y + z)*(3*y + z)*G[-y, 0, 1 - y, z])/z^2 + (6*(-1 + y + z)*(3*y^3 + y^2*z + 2*y*z^2 + 6*z^3)*G[-y, 0, -y, z])/ (y^2*z^2) - (9*(-1 + y + z)*(3*y + z)*G[-y, 1 - y, 0, z])/z^2 + (12*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[-y, 1 - y, -y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, -y, 0, z])/z^2 + (9*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[-y, -y, 1 - y, z])/ (y^2*z^2) + (6*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)* G[-y, -y, -y, z])/(y^2*z^2) + (3*(-5*y + 15*y^2 - 15*y^3 + 5*y^4 - 6*z + 36*y*z - 64*y^2*z + 4*y^3*z + 18*z^2 - 57*y*z^2 + 49*y^2*z^2 - 18*z^3 + 26*y*z^3 + 6*z^4)*Zeta[3])/ (y^2*(-1 + y + z)^2)) + G[1, 1 - y, z]* ((I*Pi^3*(-1 + 2*y + z)*(-1 + 2*z))/(y*(-1 + y + z)) - (Pi^2*(12*y - 42*y^2 + 21*y^3 + 15*y^4 - 6*y^5 + 12*z - 100*y*z + 215*y^2*z - 82*y^3*z - 74*y^4*z + 26*y^5*z - 42*z^2 + 238*y*z^2 - 371*y^2*z^2 + 52*y^3*z^2 + 132*y^4*z^2 - 34*y^5*z^2 + 21*z^3 - 258*y*z^3 + 462*y^2*z^3 - 50*y^3*z^3 - 122*y^4*z^3 + 22*y^5*z^3 + 105*z^4 + 232*y*z^4 - 680*y^2*z^4 + 167*y^3*z^4 + 49*y^4*z^4 - 210*z^5 - 280*y*z^5 + 635*y^2*z^5 - 108*y^3*z^5 + 168*z^6 + 222*y*z^6 - 219*y^2*z^6 - 63*z^7 - 66*y*z^7 + 9*z^8))/ (12*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2) + (3*(-1 + z)*(y - 3*y^2 + 2*y^3 + 3*z - 11*y*z + 15*y^2*z - 6*z^2 + 10*y*z^2 + 3*z^3)*G[0, 0, 1, y])/(y^2*(-1 + y + z)^2) - (6*(-y + 3*y^2 - 2*y^3 - 9*z + 28*y*z - 29*y^2*z + 12*y^3*z + 27*z^2 - 53*y*z^2 + 26*y^2*z^2 - 27*z^3 + 26*y*z^3 + 9*z^4)* G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[0, 1, 1, y])/(y^2*(-1 + y + z)) + (6*(-1 + 3*y - 2*y^2 + 4*z - 8*y*z + 6*y^2*z - 5*z^2 + 5*y*z^2 + 2*z^3)*G[1, 0, 0, y])/(y*(-1 + y + z)^2) - (3*(-2*y + 6*y^2 - 4*y^3 - 6*z + 24*y*z - 33*y^2*z + 10*y^3*z + 18*z^2 - 42*y*z^2 + 27*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4)* G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (3*(-3*y + 9*y^2 - 6*y^3 - 21*z + 68*y*z - 73*y^2*z + 32*y^3*z + 63*z^2 - 127*y*z^2 + 64*y^2*z^2 - 63*z^3 + 62*y*z^3 + 21*z^4)* G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) - (3*(-5*y + 15*y^2 - 10*y^3 - 9*z + 44*y*z - 60*y^2*z + 38*y^3*z + 27*z^2 - 73*y*z^2 + 45*y^2*z^2 - 27*z^3 + 34*y*z^3 + 9*z^4)* Zeta[3])/(y^2*(-1 + y + z)^2)) + G[0, 1, y]* ((I*Pi^3*(y^3 + 3*z - 5*y*z + y^2*z - 6*z^2 + 5*y*z^2 + 3*z^3))/ (y^2*(-1 + y + z)) - (I*Pi*(21*y^2 - 21*y^3 - 17*z + 35*y*z - 41*y^2*z + 21*y^3*z + 30*z^2 - 48*y*z^2 + 18*y^2*z^2 - 13*z^3 + 15*y*z^3))/((-1 + y)*y*(-1 + z)*z) - (-9*y + 3*y^2 - 257*y^3 + 541*y^4 - 278*y^5 + 9*z + 213*y*z - 644*y^2*z + 1266*y^3*z - 1122*y^4*z + 278*y^5*z - 36*z^2 - 445*y*z^2 + 1212*y^2*z^2 - 1312*y^3*z^2 + 499*y^4*z^2 + 45*z^3 + 305*y*z^3 - 735*y^2*z^3 + 385*y^3*z^3 - 18*z^4 - 64*y*z^4 + 164*y^2*z^4)/(4*(-1 + y)*y^2*(-1 + z)*z*(-1 + y + z)) + (Pi^2*(-36*y^4 + 180*y^5 - 360*y^6 + 360*y^7 - 180*y^8 + 36*y^9 - 72*y^3*z + 532*y^4*z - 1553*y^5*z + 2259*y^6*z - 1699*y^7*z + 605*y^8*z - 72*y^9*z - 87*y^2*z^2 + 774*y^3*z^2 - 2857*y^4*z^2 + 5414*y^5*z^2 - 5521*y^6*z^2 + 2918*y^7*z^2 - 679*y^8*z^2 + 38*y^9*z^2 - 107*y*z^3 + 892*y^2*z^3 - 3500*y^3*z^3 + 7613*y^4*z^3 - 9429*y^5*z^3 + 6460*y^6*z^3 - 2183*y^7*z^3 + 254*y^8*z^3 - 54*z^4 + 680*y*z^4 - 3175*y^2*z^4 + 7732*y^3*z^4 - 10768*y^4*z^4 + 8562*y^5*z^4 - 3579*y^6*z^4 + 600*y^7*z^4 + 210*z^5 - 1659*y*z^5 + 5382*y^2*z^5 - 8963*y^3*z^5 + 8093*y^4*z^5 - 3804*y^5*z^5 + 741*y^6*z^5 - 324*z^6 + 2000*y*z^6 - 4762*y^2*z^6 + 5452*y^3*z^6 - 2994*y^4*z^6 + 632*y^5*z^6 + 252*z^7 - 1244*y*z^7 + 2158*y^2*z^7 - 1583*y^3*z^7 + 417*y^4*z^7 - 102*z^8 + 366*y*z^8 - 426*y^2*z^8 + 160*y^3*z^8 + 18*z^9 - 36*y*z^9 + 18*y^2*z^9))/ (12*(-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)^2*(y + z)^2) + (((6*I)*Pi*(y - z))/(-1 + y + z) + (-3*y^3 + 15*y^4 - 30*y^5 + 30*y^6 - 15*y^7 + 3*y^8 + 3*z - 16*y*z + 73*y^2*z - 182*y^3*z + 213*y^4*z - 100*y^5*z - y^6*z + 10*y^7*z - 9*z^2 + 48*y*z^2 - 211*y^2*z^2 + 384*y^3*z^2 - 231*y^4*z^2 - 32*y^5*z^2 + 51*y^6*z^2 + 14*y*z^3 + 36*y^2*z^3 - 56*y^3*z^3 - 52*y^4*z^3 + 58*y^5*z^3 + 36*z^4 - 135*y*z^4 + 205*y^2*z^4 - 139*y^3*z^4 + 33*y^4*z^4 - 42*z^5 + 116*y*z^5 - 106*y^2*z^5 + 28*y^3*z^5 + 12*z^6 - 24*y*z^6 + 12*y^2*z^6)/(2*(-1 + y)^2*y^2*z^2* (-1 + y + z)^2))*G[0, 1 - y, z] - ((-52*y^2 + 278*y^3 - 592*y^4 + 628*y^5 - 332*y^6 + 70*y^7 + 11*y*z + 213*y^2*z - 1153*y^3*z + 2211*y^4*z - 2010*y^5*z + 868*y^6*z - 140*y^7*z - 9*z^2 + 18*y*z^2 - 519*y^2*z^2 + 2096*y^3*z^2 - 3257*y^4*z^2 + 2334*y^5*z^2 - 731*y^6*z^2 + 68*y^7*z^2 + 45*z^3 - 190*y*z^3 + 887*y^2*z^3 - 2145*y^3*z^3 + 2368*y^4*z^3 - 1164*y^5*z^3 + 199*y^6*z^3 - 90*z^4 + 376*y*z^4 - 916*y^2*z^4 + 1262*y^3*z^4 - 844*y^4*z^4 + 210*y^5*z^4 + 90*z^5 - 327*y*z^5 + 503*y^2*z^5 - 376*y^3*z^5 + 114*y^4*z^5 - 45*z^6 + 130*y*z^6 - 125*y^2*z^6 + 38*y^3*z^6 + 9*z^7 - 18*y*z^7 + 9*y^2*z^7)*G[0, -y, z])/(2*(-1 + y)^2*y^2*(-1 + z)^2*z* (-1 + y + z)^2) + (((-6*I)*Pi*(1 + 2*y - z)*z)/(-1 + y + z)^2 - (12*y - 18*y^2 - 21*y^3 + 45*y^4 - 18*y^5 + 12*z - 76*y*z + 57*y^2*z + 88*y^3*z - 96*y^4*z + 18*y^5*z - 42*z^2 + 138*y*z^2 - 43*y^2*z^2 - 105*y^3*z^2 + 51*y^4*z^2 + 48*z^3 - 80*y*z^3 + 6*y^2*z^3 + 48*y^3*z^3 - 12*z^4 - 10*y*z^4 - 2*y^2*z^4 - 12*z^5 + 16*y*z^5 + 6*z^6)/(2*y^2*z^2*(-1 + y + z)^2))* G[1, 0, z] + (((6*I)*Pi*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) - (21*y - 51*y^2 + 21*y^3 + 15*y^4 - 6*y^5 + 24*z - 184*y*z + 278*y^2*z - 58*y^3*z - 86*y^4*z + 26*y^5*z - 108*z^2 + 485*y*z^2 - 461*y^2*z^2 - 66*y^3*z^2 + 168*y^4*z^2 - 34*y^5*z^2 + 198*z^3 - 642*y*z^3 + 495*y^2*z^3 + 98*y^3*z^3 - 158*y^4*z^3 + 22*y^5*z^3 - 210*z^4 + 663*y*z^4 - 734*y^2*z^4 + 129*y^3*z^4 + 61*y^4*z^4 + 180*z^5 - 668*y*z^5 + 743*y^2*z^5 - 124*y^3*z^5 - 144*z^6 + 447*y*z^6 - 270*y^2*z^6 + 78*z^7 - 122*y*z^7 - 18*z^8)/(2*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2))* G[1, 1 - y, z] + (((-6*I)*Pi*(-1 + y + z)*(3*y + z))/z^2 - (12*y - 30*y^2 + 24*y^3 - 36*y^4 + 84*y^5 - 78*y^6 + 24*y^7 + 9*z - 63*y*z + 126*y^2*z - 204*y^3*z + 351*y^4*z - 333*y^5*z + 114*y^6*z - 24*z^2 + 108*y*z^2 - 214*y^2*z^2 + 362*y^3*z^2 - 394*y^4*z^2 + 162*y^5*z^2 + 12*z^3 - 38*y*z^3 + 24*y^2*z^3 + 24*y^3*z^3 - 22*y^4*z^3 + 18*z^4 - 50*y*z^4 + 46*y^2*z^4 - 18*y^3*z^4 - 12*z^5 + 24*y*z^5 - 12*y^2*z^5)/(2*(-1 + y)^2*y^2* z^2*(-1 + y + z)))*G[1 - y, 0, z] + (((6*I)*Pi*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2))/(y^2*z^2) + (12*y^3 - 30*y^4 + 15*y^5 + 30*y^7 - 42*y^8 + 15*y^9 + 36*y^2*z - 160*y^3*z + 190*y^4*z - 31*y^5*z + 43*y^6*z - 199*y^7*z + 151*y^8*z - 30*y^9*z - 36*y*z^2 + 170*y^3*z^2 - 2*y^4*z^2 - 287*y^5*z^2 - 30*y^6*z^2 + 346*y^7*z^2 - 176*y^8*z^2 + 15*y^9*z^2 - 12*z^3 + 160*y*z^3 - 338*y^2*z^3 + 686*y^3*z^3 - 1432*y^4*z^3 + 1349*y^5*z^3 - 255*y^6*z^3 - 229*y^7*z^3 + 71*y^8*z^3 + 30*z^4 - 261*y*z^4 + 986*y^2*z^4 - 2522*y^3*z^4 + 3504*y^4*z^4 - 2213*y^5*z^4 + 420*y^6*z^4 + 52*y^7*z^4 - 24*z^5 + 365*y*z^5 - 1895*y^2*z^5 + 4011*y^3*z^5 - 3883*y^4*z^5 + 1612*y^5*z^5 - 186*y^6*z^5 + 36*z^6 - 637*y*z^6 + 2338*y^2*z^6 - 3354*y^3*z^6 + 2070*y^4*z^6 - 445*y^5*z^6 - 84*z^7 + 687*y*z^7 - 1521*y^2*z^7 + 1331*y^3*z^7 - 413*y^4*z^7 + 78*z^8 - 326*y*z^8 + 418*y^2*z^8 - 174*y^3*z^8 - 24*z^9 + 48*y*z^9 - 24*y^2*z^9)/(2*(-1 + y)^2*y^2*(-1 + z)^2*z^2* (-1 + y + z)*(y + z)^2))*G[1 - y, 1 - y, z] + ((-3*y + 12*y^2 - 12*y^3 - 12*y^4 + 33*y^5 - 24*y^6 + 6*y^7 - 3*z + 26*y*z - 126*y^2*z + 266*y^3*z - 245*y^4*z + 72*y^5*z + 22*y^6*z - 12*y^7*z + 12*z^2 - 34*y*z^2 + 236*y^2*z^2 - 632*y^3*z^2 + 672*y^4*z^2 - 288*y^5*z^2 + 28*y^6*z^2 + 6*y^7*z^2 - 24*z^3 + 2*y*z^3 - 166*y^2*z^3 + 598*y^3*z^3 - 607*y^4*z^3 + 221*y^5*z^3 - 24*y^6*z^3 + 48*z^4 - 55*y*z^4 + 124*y^2*z^4 - 325*y^3*z^4 + 248*y^4*z^4 - 42*y^5*z^4 - 69*z^5 + 152*y*z^5 - 148*y^2*z^5 + 123*y^3*z^5 - 54*y^4*z^5 + 48*z^6 - 112*y*z^6 + 80*y^2*z^6 - 18*y^3*z^6 - 12*z^7 + 24*y*z^7 - 12*y^2*z^7)*G[1 - y, -y, z])/(2*(-1 + y)^2*y^2*(-1 + z)^2*z^2* (-1 + y + z)) - ((-36*y^2 + 108*y^3 - 103*y^4 + 34*y^5 + 10*y*z + 74*y^2*z - 182*y^3*z + 99*y^4*z - 6*z^2 - 34*y*z^2 - 55*y^2*z^2 + 72*y^3*z^2 + 30*y*z^3 + y^2*z^3 + 6*z^4 - 6*y*z^4)*G[-y, 0, z])/ (2*y^2*z*(-1 + y + z)^2) + (((-6*I)*Pi*(-1 + y + z)*(3*y + z))/ z^2 - (-27*y^3 + 57*y^4 - 48*y^5 + 18*y^6 - 31*y^2*z + 158*y^3*z - 229*y^4*z + 102*y^5*z + 5*y*z^2 + 98*y^2*z^2 - 297*y^3*z^2 + 176*y^4*z^2 - 3*z^3 + 18*y*z^3 - 123*y^2*z^3 + 156*y^3*z^3 + 21*z^4 - 31*y*z^4 + 72*y^2*z^4 - 24*z^5 + 14*y*z^5 + 6*z^6)/(2*y^2*z^2*(-1 + y + z)^2))*G[-y, 1 - y, z] + (((-6*I)*Pi*(-1 + y + z)*(3*y + z))/z^2 - (-27*y^3 + 99*y^4 - 105*y^5 + 33*y^6 + 21*y^2*z + 60*y^3*z - 170*y^4*z + 92*y^5*z - 8*y*z^2 - 25*y^2*z^2 - 54*y^3*z^2 + 104*y^4*z^2 + 6*z^3 - 22*y*z^3 + 24*y^2*z^3 + 24*y^3*z^3 - 36*z^4 + 55*y*z^4 - 37*y^2*z^4 + 42*z^5 - 28*y*z^5 - 12*z^6)/ (2*y^2*z^2*(-1 + y + z)^2))*G[-y, -y, z] + (9*(1 + 2*y - z)*z*G[0, 0, 0, z])/(-1 + y + z)^2 + (3*(-y + y^2 - 3*z - 8*y*z + 3*z^2)*G[0, 0, 1 - y, z])/ (-1 + y + z)^2 + (3*(1 + 2*y - z)*z*G[0, 0, -y, z])/ (-1 + y + z)^2 + (6*(1 + 2*y - z)*z*G[0, 1, 0, z])/(-1 + y + z)^2 - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[0, 1, 1 - y, z])/(y^2*(-1 + y + z)) - (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - z + 12*y*z - 21*y^2*z + 10*y^3*z + 3*z^2 - 15*y*z^2 + 12*y^2*z^2 - 5*z^3 + 2*y*z^3 + 3*z^4)*G[0, 1 - y, 0, z])/(z^2*(-1 + y + z)^2) + (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - z + 12*y*z - 21*y^2*z + 10*y^3*z + 3*z^2 - 12*y*z^2 + 9*y^2*z^2 - 5*z^3 + 8*y*z^3 + 3*z^4)*G[0, 1 - y, 1 - y, z])/(z^2*(-1 + y + z)^2) + (3*(-y + 3*y^2 - 3*y^3 + y^4 - 3*z + 12*y*z - 16*y^2*z + 4*y^3*z + 9*z^2 - 21*y*z^2 + 13*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)* G[0, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) + (3*(1 + 2*y - z)*z*G[0, -y, 0, z])/(-1 + y + z)^2 - (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - z + 12*y*z - 21*y^2*z + 10*y^3*z + 3*z^2 - 14*y*z^2 + 11*y^2*z^2 - 2*z^3 + 10*y*z^3)* G[0, -y, 1 - y, z])/(z^2*(-1 + y + z)^2) - (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - z + 12*y*z - 21*y^2*z + 10*y^3*z + 3*z^2 - 16*y*z^2 + 13*y^2*z^2 - 4*z^3 + 2*y*z^3 + 2*z^4)*G[0, -y, -y, z])/(z^2*(-1 + y + z)^2) + (12*(1 + 2*y - z)*z*G[1, 0, 0, z])/(-1 + y + z)^2 + (9*(1 + 2*y - z)*z*G[1, 0, 1 - y, z])/(-1 + y + z)^2 - (3*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, 0, -y, z])/(y^2*(-1 + y + z)^2) + (3*(1 + 2*y - z)*z*G[1, 1, 0, z])/(-1 + y + z)^2 + (3*(-4*y + 12*y^2 - 8*y^3 - 12*z + 48*y*z - 59*y^2*z + 34*y^3*z + 36*z^2 - 84*y*z^2 + 47*y^2*z^2 - 36*z^3 + 40*y*z^3 + 12*z^4)* G[1, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) + (9*(1 + 2*y - z)*z*G[1, 1 - y, 0, z])/(-1 + y + z)^2 - (3*(-2*y + 6*y^2 - 4*y^3 - 6*z + 24*y*z - 33*y^2*z + 10*y^3*z + 18*z^2 - 42*y*z^2 + 27*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4)* G[1, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (3*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) + (3*(-6*y + 18*y^2 - 18*y^3 + 6*y^4 - 2*z + 24*y*z - 42*y^2*z + 20*y^3*z + 6*z^2 - 30*y*z^2 + 24*y^2*z^2 - 7*z^3 + 10*y*z^3 + 3*z^4)*G[1 - y, 0, 0, z])/(z^2*(-1 + y + z)^2) - (3*(6*y - 12*y^2 + 6*y^3 + 2*z - 16*y*z + 14*y^2*z - 4*z^2 + 9*y*z^2 + 3*z^3)*G[1 - y, 0, 1 - y, z])/(z^2*(-1 + y + z)) + (3*(-1 + y + z)*(y + z)*(3*y^2 - 2*y*z + 3*z^2)*G[1 - y, 0, -y, z])/ (y^2*z^2) + (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - z + 12*y*z - 21*y^2*z + 10*y^3*z + 3*z^2 - 15*y*z^2 + 12*y^2*z^2 - 4*z^3 + 4*y*z^3 + 2*z^4)*G[1 - y, 1, 0, z])/(z^2*(-1 + y + z)^2) + (3*(3*y^3 - 6*y^4 + 3*y^5 + y^2*z - 8*y^3*z + 7*y^4*z - 5*y*z^2 + 8*y^2*z^2 - y^3*z^2 - 15*z^3 + 40*y*z^3 - 23*y^2*z^3 + 30*z^4 - 35*y*z^4 - 15*z^5)*G[1 - y, 1, 1 - y, z])/ (y^2*z^2*(-1 + y + z)) + (9*(-1 + y + z)*(3*y + z)* G[1 - y, 1 - y, 0, z])/z^2 - (9*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[1 - y, 1 - y, 1 - y, z])/(y^2*z^2) - (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[1 - y, 1 - y, -y, z])/(y^2*z^2) + (6*(-1 + y + z)*(3*y + z)*G[1 - y, -y, 1 - y, z])/ z^2 + (6*(-1 + y + z)*(3*y + z)*G[1 - y, -y, -y, z])/z^2 + (6*(-1 + y + z)*(3*y + z)*G[-y, 0, 1 - y, z])/z^2 + (9*(-1 + y + z)*(3*y + z)*G[-y, 0, -y, z])/z^2 + (6*(-1 + y + z)*(3*y + z)*G[-y, 1 - y, 0, z])/z^2 + (3*(-1 + y + z)*(3*y^3 + y^2*z + 2*y*z^2 + 6*z^3)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(9*y^3 + 3*y^2*z - y*z^2 - 3*z^3)* G[-y, 1 - y, -y, z])/(y^2*z^2) + (6*(-1 + y + z)*(3*y + z)* G[-y, -y, 0, z])/z^2 + (6*(-1 + y + z)*(3*y + z)* G[-y, -y, 1 - y, z])/z^2 - (3*(-1 + y + z)*(3*y + z)* G[-y, -y, -y, z])/z^2 + (3*(-6*y + 18*y^2 - 13*y^3 + y^4 - 9*z + 48*y*z - 62*y^2*z + 54*y^3*z + 27*z^2 - 78*y*z^2 + 44*y^2*z^2 - 27*z^3 + 36*y*z^3 + 9*z^4)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[0, 1, z]*(-1/12*(Pi^2*(-1 + 2*y + z)*(-3*y^2 + 10*y^3 + 3*y^4 - 60*y^5 + 104*y^6 - 72*y^7 + 18*y^8 - 6*y*z + 26*y^2*z - 35*y^3*z - 67*y^4*z + 237*y^5*z - 227*y^6*z + 72*y^7*z - 3*z^2 + 22*y*z^2 - 73*y^2*z^2 + 5*y^3*z^2 + 298*y^4*z^2 - 411*y^5*z^2 + 162*y^6*z^2 + 6*z^3 - 24*y*z^3 - 62*y^2*z^3 + 411*y^3*z^3 - 565*y^4*z^3 + 234*y^5*z^3 + 9*z^4 - 96*y*z^4 + 362*y^2*z^4 - 469*y^3*z^4 + 192*y^4*z^4 - 24*z^5 + 128*y*z^5 - 184*y^2*z^5 + 78*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*(y + z)^2) + (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[0, 0, 1, y])/(y^2*(-1 + y + z)) - (6*(-1 + 3*y - 2*y^2 + 4*z - 8*y*z + 6*y^2*z - 5*z^2 + 5*y*z^2 + 2*z^3)*G[0, 1, 0, y])/(y*(-1 + y + z)^2) - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 0, 1, y])/(y^2*(-1 + y + z)) + (6*(-1 + 3*y - 2*y^2 + 4*z - 8*y*z + 6*y^2*z - 5*z^2 + 5*y*z^2 + 2*z^3)*G[1, 1, 0, y])/(y*(-1 + y + z)^2) - (6*(-3*y + 9*y^2 - 6*y^3 - 12*z + 44*y*z - 52*y^2*z + 26*y^3*z + 36*z^2 - 79*y*z^2 + 43*y^2*z^2 - 36*z^3 + 38*y*z^3 + 12*z^4)* Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1, 0, y]* ((I*Pi^3*(-1 + y + z)*(y + 3*z))/y^2 - (I*Pi*(-21*y + 42*y^2 - 21*y^3 - 19*z + 100*y*z - 85*y^2*z + 21*y^3*z + 58*z^2 - 119*y*z^2 + 45*y^2*z^2 - 57*z^3 + 42*y*z^3 + 18*z^4))/((-1 + z)*z*(-1 + y + z)*(y + z)) - (302*y^2 - 873*y^3 + 849*y^4 - 278*y^5 + 229*y*z - 1821*y^2*z + 2954*y^3*z - 1658*y^4*z + 278*y^5*z + 9*z^2 - 984*y*z^2 + 3498*y^2*z^2 - 3168*y^3*z^2 + 891*y^4*z^2 - 36*z^3 + 1520*y*z^3 - 2756*y^2*z^3 + 1169*y^3*z^3 + 45*z^4 - 986*y*z^4 + 777*y^2*z^4 - 18*z^5 + 221*y*z^5)/(4*y*(-1 + z)*z*(-1 + y + z)^2*(y + z)) - (Pi^2*(-18*y^4 + 72*y^5 - 90*y^6 + 36*y^7 - 6*y^3*z + 132*y^4*z - 371*y^5*z + 317*y^6*z - 72*y^7*z + 72*y^2*z^2 - 274*y^3*z^2 + 70*y^4*z^2 + 498*y^5*z^2 - 374*y^6*z^2 + 40*y^7*z^2 + 85*y*z^3 - 785*y^2*z^3 + 1859*y^3*z^3 - 1179*y^4*z^3 - 191*y^5*z^3 + 155*y^6*z^3 + 27*z^4 - 576*y*z^4 + 2714*y^2*z^4 - 4040*y^3*z^4 + 1700*y^4*z^4 - 4*y^5*z^4 - 129*z^5 + 1453*y*z^5 - 4157*y^2*z^5 + 3629*y^3*z^5 - 705*y^4*z^5 + 249*z^6 - 1756*y*z^6 + 2952*y^2*z^6 - 1168*y^3*z^6 - 243*z^7 + 1032*y*z^7 - 796*y^2*z^7 + 120*z^8 - 238*y*z^8 - 24*z^9))/(12*y^2*(-1 + z)^2*z* (-1 + y + z)^2*(y + z)^2) + (((-6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 - (3*y - 9*y^2 - 21*y^3 + 45*y^4 - 18*y^5 - 10*y*z + 12*y^2*z + 64*y^3*z - 84*y^4*z + 18*y^5*z + 28*y*z^2 - 26*y^2*z^2 - 57*y^3*z^2 + 39*y^4*z^2 - 27*z^3 + 12*y*z^3 + 3*y^2*z^3 + 24*y^3*z^3 + 81*z^4 - 83*y*z^4 + 20*y^2*z^4 - 81*z^5 + 50*y*z^5 + 27*z^6)/(2*y^2*z^2*(-1 + y + z)^2))*G[1, 0, z] + (((-6*I)*Pi*(-1 + 3*y - 2*y^2 + 4*z - 8*y*z + 6*y^2*z - 5*z^2 + 5*y*z^2 + 2*z^3))/(y*(-1 + y + z)^2) + (12*y - 42*y^2 + 21*y^3 + 15*y^4 - 6*y^5 + 12*z - 100*y*z + 215*y^2*z - 82*y^3*z - 74*y^4*z + 26*y^5*z - 42*z^2 + 234*y*z^2 - 345*y^2*z^2 + 30*y^3*z^2 + 132*y^4*z^2 - 34*y^5*z^2 + 27*z^3 - 264*y*z^3 + 413*y^2*z^3 - 46*y^3*z^3 - 122*y^4*z^3 + 22*y^5*z^3 + 75*z^4 + 296*y*z^4 - 689*y^2*z^4 + 225*y^3*z^4 + 49*y^4*z^4 - 150*z^5 - 396*y*z^5 + 696*y^2*z^5 - 148*y^3*z^5 + 108*z^6 + 306*y*z^6 - 248*y^2*z^6 - 33*z^7 - 88*y*z^7 + 3*z^8)/(2*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2))* G[1, 1 - y, z] + (((6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 + (-3*y^2 + 10*y^3 - 28*y^4 + 90*y^5 - 121*y^6 + 52*y^7 - 6*y*z + 29*y^2*z - 43*y^3*z + 159*y^4*z - 343*y^5*z + 204*y^6*z - 3*z^2 + 28*y*z^2 - 32*y^2*z^2 - 42*y^3*z^2 - 140*y^4*z^2 + 218*y^5*z^2 + 9*z^3 - 52*y*z^3 - 114*y^2*z^3 + 344*y^3*z^3 - 96*y^4*z^3 - 33*z^4 + 78*y*z^4 + 260*y^2*z^4 - 312*y^3*z^4 + 81*z^5 - 83*y*z^5 - 145*y^2*z^5 - 81*z^6 + 32*y*z^6 + 27*z^7)/ (2*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[1 - y, 0, z] + (((6*I)*Pi*(-3*y^2 + 3*y^3 + 2*y^2*z - z^2 + y*z^2 + 2*z^3))/ (y*z^2) + (12*y^3 - 30*y^4 + 45*y^5 - 48*y^6 + 21*y^7 + 36*y^2*z - 136*y^3*z + 168*y^4*z - 101*y^5*z + 75*y^6*z - 42*y^7*z + 36*y*z^2 - 212*y^2*z^2 + 364*y^3*z^2 - 134*y^4*z^2 - 108*y^5*z^2 - 6*y^6*z^2 + 21*y^7*z^2 + 12*z^3 - 136*y*z^3 + 404*y^2*z^3 - 460*y^3*z^3 - 123*y^4*z^3 + 345*y^5*z^3 - 25*y^6*z^3 - 30*z^4 + 158*y*z^4 - 612*y^2*z^4 + 779*y^3*z^4 + 138*y^4*z^4 - 189*y^5*z^4 - 3*z^5 - 157*y*z^5 + 1163*y^2*z^5 - 1020*y^3*z^5 - 23*y^4*z^5 + 72*z^6 + 343*y*z^6 - 1262*y^2*z^6 + 461*y^3*z^6 - 78*z^7 - 383*y*z^7 + 483*y^2*z^7 + 30*z^8 + 139*y*z^8 - 3*z^9)/(2*y^2*(-1 + z)^2*z^2*(-1 + y + z)* (y + z)^2))*G[1 - y, 1 - y, z] - ((3*y - 6*y^2 + 6*y^3 - 12*y^4 + 6*y^5 + 3*z - 14*y*z + 2*y^2*z + 4*y^3*z + 6*y^4*z - 6*z^2 + 48*y*z^2 - 56*y^2*z^2 + 30*y^3*z^2 - 72*y*z^3 + 66*y^2*z^3 + 36*y*z^4)*G[1 - y, -y, z])/ (2*y^2*z^2*(-1 + y + z)) + (((-6*I)*Pi*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(y^2*z^2) - ((y - z)*(-54*y^4 + 120*y^5 - 90*y^6 + 24*y^7 - 84*y^3*z + 252*y^4*z - 243*y^5*z + 78*y^6*z - 56*y^2*z^2 + 144*y^3*z^2 - 146*y^4*z^2 + 52*y^5*z^2 - 84*y*z^3 + 144*y^2*z^3 + 14*y^3*z^3 - 66*y^4*z^3 - 54*z^4 + 252*y*z^4 - 146*y^2*z^4 - 66*y^3*z^4 + 120*z^5 - 243*y*z^5 + 52*y^2*z^5 - 90*z^6 + 78*y*z^6 + 24*z^7))/(2*y^2*z^2* (-1 + y + z)^2*(y + z)^2))*G[-y, 0, z] + (((6*I)*Pi*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(y^2*z^2) + (-51*y^5 + 99*y^6 - 66*y^7 + 18*y^8 - 29*y^4*z + 74*y^5*z - 73*y^6*z + 28*y^7*z + 39*y^3*z^2 - 210*y^4*z^2 + 241*y^5*z^2 - 100*y^6*z^2 + 3*y^2*z^3 - 162*y^3*z^3 + 401*y^4*z^3 - 272*y^5*z^3 + 48*y*z^4 - 31*y^2*z^4 + 130*y^3*z^4 - 201*y^4*z^4 + 54*z^5 - 168*y*z^5 + 71*y^2*z^5 - 34*y^3*z^5 - 114*z^6 + 175*y*z^6 - 32*y^2*z^6 + 81*z^7 - 58*y*z^7 - 21*z^8)/(2*y^2*z^2*(-1 + y + z)^2* (y + z)^2))*G[-y, 1 - y, z] + (((-6*I)*Pi*(-1 + y + z)*(y + 3*z))/y^2 + (-6*y^3 + 6*y^4 + 8*y^2*z + 2*y^3*z - 21*y*z^2 - y^2*z^2 + 27*z^3 - 24*y*z^3 - 27*z^4)/(2*y^2*z^2))*G[-y, -y, z] + (9*z*(-3 + 2*y + 3*z)*G[0, 0, 0, z])/y^2 - (9*z*(-3 + 2*y + 3*z)*G[0, 0, 1 - y, z])/y^2 + (3*(-1 + y + z)*(y + 3*z)*G[0, 0, -y, z])/y^2 + (6*z*(-3 + 2*y + 3*z)*G[0, 1, 0, z])/y^2 + (6*(-1 + 3*y - 2*y^2 + 4*z - 8*y*z + 6*y^2*z - 5*z^2 + 5*y*z^2 + 2*z^3)*G[0, 1, 1 - y, z])/(y*(-1 + y + z)^2) - (9*z*(-3 + 2*y + 3*z)*G[0, 1 - y, 0, z])/y^2 + (3*(-3*y^3 + 3*y^4 + 2*y^3*z + y*z^2 - y^2*z^2 - 6*z^3 + 2*y*z^3 + 6*z^4)*G[0, 1 - y, 1 - y, z])/(y^2*z^2) - (6*(-1 + y + z)*(y + 3*z)*G[0, 1 - y, -y, z])/y^2 - (3*(-3*y^3 + 3*y^4 + 2*y^3*z - 15*z^3 + 10*y*z^3 + 15*z^4)* G[0, -y, 0, z])/(y^2*z^2) + (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 8*y^3*z - 16*y^4*z + 8*y^5*z + y*z^2 - 3*y^2*z^2 - 3*y^3*z^2 + 5*y^4*z^2 - 12*z^3 + 28*y*z^3 - 20*y^2*z^3 + 8*y^3*z^3 + 36*z^4 - 59*y*z^4 + 23*y^2*z^4 - 36*z^5 + 30*y*z^5 + 12*z^6)* G[0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) + (6*(-1 + y + z)*(y + 3*z)*G[0, -y, -y, z])/y^2 + (12*z*(-3 + 2*y + 3*z)*G[1, 0, 0, z])/y^2 - (3*(y - 3*y^2 + 2*y^3 - 9*z + 20*y*z - 13*y^2*z + 27*z^2 - 43*y*z^2 + 16*y^2*z^2 - 27*z^3 + 22*y*z^3 + 9*z^4)* G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (3*z*(-3 + 2*y + 3*z)*G[1, 1, 0, z])/y^2 - (3*(-4*y + 12*y^2 - 8*y^3 - 15*z + 56*y*z - 67*y^2*z + 34*y^3*z + 45*z^2 - 100*y*z^2 + 55*y^2*z^2 - 45*z^3 + 48*y*z^3 + 15*z^4)* G[1, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) - (12*z*(-3 + 2*y + 3*z)*G[1, 1 - y, 0, z])/y^2 + (6*(-y + 3*y^2 - 2*y^3 - 9*z + 28*y*z - 29*y^2*z + 12*y^3*z + 27*z^2 - 53*y*z^2 + 26*y^2*z^2 - 27*z^3 + 26*y*z^3 + 9*z^4)* G[1, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (6*z*(-3 + 2*y + 3*z)*G[1 - y, 0, 0, z])/y^2 - (3*(-9*y^3 + 9*y^4 + 6*y^3*z - y*z^2 + y^2*z^2 + 3*z^3 - 3*z^4)* G[1 - y, 0, 1 - y, z])/(y^2*z^2) - (6*(-1 + y + z)*(y + 3*z)* G[1 - y, 0, -y, z])/y^2 + (3*y*(-3 + 3*y + 2*z)*G[1 - y, 1, 0, z])/ z^2 - (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 8*y^3*z - 16*y^4*z + 8*y^5*z + 5*y*z^2 - 15*y^2*z^2 + 9*y^3*z^2 + y^4*z^2 + 15*z^3 - 60*y*z^3 + 75*y^2*z^3 - 26*y^3*z^3 - 45*z^4 + 105*y*z^4 - 60*y^2*z^4 + 45*z^5 - 50*y*z^5 - 15*z^6)*G[1 - y, 1, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) - (3*(-6*y^3 + 6*y^4 + 4*y^3*z + 9*z^3 - 6*y*z^3 - 9*z^4)*G[1 - y, 1 - y, 0, z])/(y^2*z^2) + (9*(-3*y^3 + 3*y^4 + 2*y^3*z + y*z^2 - y^2*z^2 + 6*z^3 - 6*y*z^3 - 6*z^4)*G[1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[1 - y, -y, 0, z])/(y^2*z^2) - (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[1 - y, -y, 1 - y, z])/(y^2*z^2) + (6*(-1 + y + z)*(y + 3*z)*G[1 - y, -y, -y, z])/y^2 + (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 0, 0, z])/(y^2*z^2) - (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 0, 1 - y, z])/(y^2*z^2) - (6*(-1 + y + z)*(y + 3*z)*G[-y, 0, -y, z])/y^2 - (3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 1 - y, 0, z])/(y^2*z^2) + (3*(-3*y^3 + 3*y^4 + 2*y^3*z + y*z^2 - y^2*z^2 + 6*z^3 - 6*y*z^3 - 6*z^4)*G[-y, 1 - y, 1 - y, z])/(y^2*z^2) + (6*(-1 + y + z)*(y + 3*z)*G[-y, 1 - y, -y, z])/y^2 - (12*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, -y, 0, z])/(y^2*z^2) + (3*(-12*y^3 + 12*y^4 + 8*y^3*z - y*z^2 + y^2*z^2 + 9*z^3 - 4*y*z^3 - 9*z^4)*G[-y, -y, 1 - y, z])/(y^2*z^2) - (3*(-1 + y + z)*(y + 3*z)*G[-y, -y, -y, z])/y^2 + (3*(-7*y + 21*y^2 - 18*y^3 + 4*y^4 - 27*z + 100*y*z - 119*y^2*z + 52*y^3*z + 81*z^2 - 179*y*z^2 + 98*y^2*z^2 - 81*z^3 + 86*y*z^3 + 27*z^4)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1, 1, z]*((I*Pi^3*z*(-1 + 2*y + z)*(3 - 2*y + 2*y^2 - 6*z + 2*y*z + 3*z^2))/(y^2*(-1 + y + z)^2) + (Pi^2*(-1 + 2*y + z)* (-15*y - 3*y^2 + 36*y^3 - 18*y^4 - 12*z + 47*y*z + 22*y^2*z - 72*y^3*z + 18*y^4*z + 30*z^2 - 61*y*z^2 - 25*y^2*z^2 + 36*y^3*z^2 + 15*z^3 - 21*y*z^3 + 68*y^2*z^3 - 72*z^4 + 50*y*z^4 + 39*z^5))/(12*y^2*z^2*(-1 + y + z)^2) - (3*(-4*y + 12*y^2 - 8*y^3 - 12*z + 48*y*z - 59*y^2*z + 34*y^3*z + 36*z^2 - 84*y*z^2 + 47*y^2*z^2 - 36*z^3 + 40*y*z^3 + 12*z^4)* G[0, 0, 1, y])/(y^2*(-1 + y + z)^2) + (3*(-4*y + 12*y^2 - 8*y^3 - 15*z + 56*y*z - 67*y^2*z + 34*y^3*z + 45*z^2 - 100*y*z^2 + 55*y^2*z^2 - 45*z^3 + 48*y*z^3 + 15*z^4)* G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (3*(-4*y + 12*y^2 - 8*y^3 - 12*z + 48*y*z - 59*y^2*z + 34*y^3*z + 36*z^2 - 84*y*z^2 + 47*y^2*z^2 - 36*z^3 + 40*y*z^3 + 12*z^4)* G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (3*(-4*y + 12*y^2 - 8*y^3 - 15*z + 56*y*z - 67*y^2*z + 34*y^3*z + 45*z^2 - 100*y*z^2 + 55*y^2*z^2 - 45*z^3 + 48*y*z^3 + 15*z^4)* G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) + (3*(-12*y + 36*y^2 - 24*y^3 - 36*z + 144*y*z - 179*y^2*z + 98*y^3*z + 108*z^2 - 252*y*z^2 + 143*y^2*z^2 - 108*z^3 + 120*y*z^3 + 36*z^4)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1 - y, 1, z]*(((-I)*Pi^3*z*(-3 + 2*y + 3*z))/y^2 - (Pi^2*(3*y^3 - 15*y^4 + 27*y^5 - 9*y^6 - 36*y^7 + 54*y^8 - 30*y^9 + 6*y^10 + 6*y^2*z - 40*y^3*z + 78*y^4*z - 191*y^6*z + 264*y^7*z - 147*y^8*z + 30*y^9*z + 3*y*z^2 - 35*y^2*z^2 + 128*y^3*z^2 - 140*y^4*z^2 - 91*y^5*z^2 + 290*y^6*z^2 - 198*y^7*z^2 + 43*y^8*z^2 - 10*y*z^3 + 97*y^2*z^3 - 300*y^3*z^3 + 352*y^4*z^3 - 110*y^5*z^3 - 61*y^6*z^3 + 32*y^7*z^3 - 18*y*z^4 - 11*y^2*z^4 + 111*y^3*z^4 - 59*y^4*z^4 - 86*y^5*z^4 + 63*y^6*z^4 - 36*z^5 + 244*y*z^5 - 548*y^2*z^5 + 632*y^3*z^5 - 426*y^4*z^5 + 136*y^5*z^5 + 108*z^6 - 481*y*z^6 + 799*y^2*z^6 - 592*y^3*z^6 + 170*y^4*z^6 - 108*z^7 + 334*y*z^7 - 344*y^2*z^7 + 120*y^3*z^7 + 36*z^8 - 72*y*z^8 + 36*y^2*z^8))/(12*(-1 + y)^2*y^2*z^2* (-1 + y + z)^2*(y + z)^2) - (3*(3*y^3 - 6*y^4 + 3*y^5 + y^2*z - 8*y^3*z + 7*y^4*z - 5*y*z^2 + 8*y^2*z^2 - y^3*z^2 - 15*z^3 + 40*y*z^3 - 23*y^2*z^3 + 30*z^4 - 35*y*z^4 - 15*z^5)* G[0, 0, 1, y])/(y^2*z^2*(-1 + y + z)) + (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 8*y^3*z - 16*y^4*z + 8*y^5*z + 5*y*z^2 - 15*y^2*z^2 + 9*y^3*z^2 + y^4*z^2 + 15*z^3 - 60*y*z^3 + 75*y^2*z^3 - 26*y^3*z^3 - 45*z^4 + 105*y*z^4 - 60*y^2*z^4 + 45*z^5 - 50*y*z^5 - 15*z^6)*G[0, 1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) + (3*(3*y^3 - 6*y^4 + 3*y^5 + y^2*z - 8*y^3*z + 7*y^4*z - 5*y*z^2 + 8*y^2*z^2 - y^3*z^2 - 15*z^3 + 40*y*z^3 - 23*y^2*z^3 + 30*z^4 - 35*y*z^4 - 15*z^5)* G[1, 0, 1, y])/(y^2*z^2*(-1 + y + z)) - (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 8*y^3*z - 16*y^4*z + 8*y^5*z + 5*y*z^2 - 15*y^2*z^2 + 9*y^3*z^2 + y^4*z^2 + 15*z^3 - 60*y*z^3 + 75*y^2*z^3 - 26*y^3*z^3 - 45*z^4 + 105*y*z^4 - 60*y^2*z^4 + 45*z^5 - 50*y*z^5 - 15*z^6)*G[1, 1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) + (3*(-15*y^3 + 45*y^4 - 45*y^5 + 15*y^6 - 3*y^2*z + 52*y^3*z - 95*y^4*z + 46*y^5*z + 15*y*z^2 - 36*y^2*z^2 - 11*y^3*z^2 + 32*y^4*z^2 + 48*z^3 - 188*y*z^3 + 223*y^2*z^3 - 64*y^3*z^3 - 144*z^4 + 331*y*z^4 - 184*y^2*z^4 + 144*z^5 - 158*y*z^5 - 48*z^6)*Zeta[3])/ (y^2*z^2*(-1 + y + z)^2)) + G[1 - y, 0, z]* ((I*Pi*(-17 + 18*y)*(-1 + y + 2*z))/((-1 + y)*y) + ((-1 + y + 2*z)*(-9*y + 27*y^2 - 18*y^3 + 9*z + 162*y*z - 392*y^2*z + 221*y^3*z - 9*z^2 - 171*y*z^2 + 221*y^2*z^2))/ (4*(-1 + y)*y^2*z*(-1 + y + z)) - (I*Pi^3*(-3*y^3 + 3*y^4 - y^2*z + 4*y^3*z + y^2*z^2 - 3*z^3 + 2*y*z^3 + 3*z^4))/(y^2*z^2) - (Pi^2*(-12*y^3 + 42*y^4 - 54*y^5 + 60*y^6 - 120*y^7 + 162*y^8 - 102*y^9 + 24*y^10 - 36*y^2*z + 184*y^3*z - 360*y^4*z + 540*y^5*z - 980*y^6*z + 1296*y^7*z - 864*y^8*z + 220*y^9*z - 36*y*z^2 + 284*y^2*z^2 - 777*y^3*z^2 + 1351*y^4*z^2 - 2400*y^5*z^2 + 3360*y^6*z^2 - 2491*y^7*z^2 + 709*y^8*z^2 - 12*z^3 + 184*y*z^3 - 756*y^2*z^3 + 1526*y^3*z^3 - 2551*y^4*z^3 + 3700*y^5*z^3 - 3091*y^6*z^3 + 1000*y^7*z^3 + 42*z^4 - 356*y*z^4 + 950*y^2*z^4 - 1387*y^3*z^4 + 1708*y^4*z^4 - 1517*y^5*z^4 + 560*y^6*z^4 - 69*z^5 + 366*y*z^5 - 573*y^2*z^5 + 334*y^3*z^5 - 48*y^4*z^5 - 14*y^5*z^5 + 75*z^6 - 250*y*z^6 + 207*y^2*z^6 + 46*y^3*z^6 - 86*y^4*z^6 - 51*z^7 + 122*y*z^7 - 91*y^2*z^7 + 16*y^3*z^7 + 15*z^8 - 30*y*z^8 + 15*y^2*z^8))/ (12*(-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2) - (9*y*(-3 + 3*y + 2*z)*G[0, 0, 0, y])/z^2 - (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - z + 12*y*z - 21*y^2*z + 10*y^3*z + 3*z^2 - 15*y*z^2 + 12*y^2*z^2 - 4*z^3 + 4*y*z^3 + 2*z^4)*G[0, 0, 1, y])/(z^2*(-1 + y + z)^2) + (3*(-6*y^3 + 6*y^4 + 4*y^3*z + 15*z^3 - 10*y*z^3 - 15*z^4)* G[0, 1, 0, y])/(y^2*z^2) + (6*(-1 + y + z)*(3*y + z)* G[0, 1, 1, y])/z^2 + (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[1, 0, 0, y])/(y^2*z^2) - (3*(-6*y + 18*y^2 - 18*y^3 + 6*y^4 - 2*z + 24*y*z - 42*y^2*z + 20*y^3*z + 6*z^2 - 30*y*z^2 + 24*y^2*z^2 - 7*z^3 + 10*y*z^3 + 3*z^4)*G[1, 0, 1, y])/(z^2*(-1 + y + z)^2) + (6*z*(-3 + 2*y + 3*z)*G[1, 1, 0, y])/y^2 - (3*(-27*y^3 + 81*y^4 - 81*y^5 + 27*y^6 - 7*y^2*z + 100*y^3*z - 179*y^4*z + 86*y^5*z + 21*y^2*z^2 - 119*y^3*z^2 + 98*y^4*z^2 + 18*z^3 - 48*y*z^3 + 18*y^2*z^3 + 28*y^3*z^3 - 54*z^4 + 96*y*z^4 - 32*y^2*z^4 + 54*z^5 - 48*y*z^5 - 18*z^6)*Zeta[3])/ (y^2*z^2*(-1 + y + z)^2)) + G[0, 1 - y, z]* ((I*Pi*(-17 + 18*y)*(-1 + y + 2*z))/((-1 + y)*y) + ((-1 + y + 2*z)*(-9*y + 27*y^2 - 18*y^3 + 9*z + 162*y*z - 392*y^2*z + 221*y^3*z - 9*z^2 - 171*y*z^2 + 221*y^2*z^2))/ (4*(-1 + y)*y^2*z*(-1 + y + z)) + (I*Pi^3*(y^3 - 3*z + 5*y*z - 3*y^2*z + 6*z^2 - 5*y*z^2 - 3*z^3))/ (y^2*(-1 + y + z)) + (Pi^2*(-3*y^5 + 15*y^6 - 30*y^7 + 30*y^8 - 15*y^9 + 3*y^10 + 3*y^2*z - 16*y^3*z + 85*y^4*z - 288*y^5*z + 511*y^6*z - 472*y^7*z + 207*y^8*z - 24*y^9*z - 6*y^10*z + 6*y*z^2 - 47*y^2*z^2 + 238*y^3*z^2 - 969*y^4*z^2 + 2272*y^5*z^2 - 2905*y^6*z^2 + 2019*y^7*z^2 - 710*y^8*z^2 + 93*y^9*z^2 + 3*y^10*z^2 + 3*z^3 - 46*y*z^3 + 278*y^2*z^3 - 1170*y^3*z^3 + 3400*y^4*z^3 - 5760*y^5*z^3 + 5431*y^6*z^3 - 2754*y^7*z^3 + 670*y^8*z^3 - 52*y^9*z^3 - 15*z^4 + 207*y*z^4 - 875*y^2*z^4 + 2558*y^3*z^4 - 5218*y^4*z^4 + 6418*y^5*z^4 - 4363*y^6*z^4 + 1485*y^7*z^4 - 197*y^8*z^4 + 75*z^5 - 566*y*z^5 + 1538*y^2*z^5 - 2736*y^3*z^5 + 3665*y^4*z^5 - 3150*y^5*z^5 + 1422*y^6*z^5 - 252*y^7*z^5 - 195*z^6 + 890*y*z^6 - 1508*y^2*z^6 + 1355*y^3*z^6 - 910*y^4*z^6 + 479*y^5*z^6 - 111*y^6*z^6 + 249*z^7 - 798*y*z^7 + 820*y^2*z^7 - 208*y^3*z^7 - 89*y^4*z^7 + 34*y^5*z^7 - 165*z^8 + 407*y*z^8 - 265*y^2*z^8 - 13*y^3*z^8 + 36*y^4*z^8 + 57*z^9 - 118*y*z^9 + 65*y^2*z^9 - 8*y^3*z^9 - 9*z^10 + 18*y*z^10 - 9*y^2*z^10))/(12*(-1 + y)^2*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2* (y + z)^2) + (((6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 + (-36*y^4 + 160*y^5 - 212*y^6 + 88*y^7 - 32*y^3*z + 386*y^4*z - 953*y^5*z + 775*y^6*z - 176*y^7*z - 4*y^2*z^2 + 140*y^3*z^2 - 1172*y^4*z^2 + 1908*y^5*z^2 - 909*y^6*z^2 + 86*y^7*z^2 - 66*y*z^3 - 16*y^2*z^3 - 108*y^3*z^3 + 1506*y^4*z^3 - 1587*y^5*z^3 + 342*y^6*z^3 - 54*z^4 + 300*y*z^4 + 167*y^2*z^4 - 226*y^3*z^4 - 855*y^4*z^4 + 470*y^5*z^4 + 222*z^5 - 523*y*z^5 - 376*y^2*z^5 + 376*y^3*z^5 + 171*y^4*z^5 - 363*z^6 + 432*y*z^6 + 335*y^2*z^6 - 150*y^3*z^6 + 297*z^7 - 165*y*z^7 - 106*y^2*z^7 - 123*z^8 + 22*y*z^8 + 21*z^9)/(2*y^2*(-1 + z)^2*z*(-1 + y + z)^2* (y + z)^2))*G[1, 0, y] + ((-54*y^2 + 54*y^3 + y*z + 53*y^2*z - 9*z^2 + 22*y*z^2 + 9*z^3)*G[1, 1, y])/(2*y^2*z) + (9*y*(-1 + y - 2*z)*G[0, 0, 0, y])/(-1 + y + z)^2 + (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 12*y^3*z - 21*y^4*z + 10*y^5*z + y*z^2 - 11*y^3*z^2 + 10*y^4*z^2 + 3*z^3 - 12*y*z^3 + 9*y^2*z^3 - 4*y^3*z^3 - 9*z^4 + 21*y*z^4 - 8*y^2*z^4 + 9*z^5 - 10*y*z^5 - 3*z^6)*G[0, 0, 1, y])/(y^2*z^2*(-1 + y + z)^2) - (3*(-3*y^3 + 3*y^4 + 2*y^3*z + y*z^2 - y^2*z^2 - 9*z^3 + 4*y*z^3 + 9*z^4)*G[0, 1, 0, y])/(y^2*z^2) - (3*(-y + 2*y^2 + y^3 - 3*z + 8*y*z - 7*y^2*z + 6*z^2 - 7*y*z^2 - 3*z^3)*G[0, 1, 1, y])/(y^2*(-1 + y + z)) - (3*(-3*y^3 + 3*y^4 + 2*y^3*z - 6*z^3 + 4*y*z^3 + 6*z^4)* G[1, 0, 0, y])/(y^2*z^2) + (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - z + 12*y*z - 21*y^2*z + 10*y^3*z + 3*z^2 - 15*y*z^2 + 12*y^2*z^2 - 5*z^3 + 2*y*z^3 + 3*z^4)*G[1, 0, 1, y])/(z^2*(-1 + y + z)^2) - (3*(-y + y^2 + 3*z - 3*z^2)*G[1, 1, 0, y])/y^2 + (3*(-12*y^3 + 36*y^4 - 36*y^5 + 12*y^6 - 3*y^2*z + 44*y^3*z - 79*y^4*z + 38*y^5*z + 3*y*z^2 - 44*y^3*z^2 + 41*y^4*z^2 - 3*z^3 - 4*y*z^3 + 3*y^2*z^3 - 2*y^3*z^3 + 9*z^4 - y*z^4 - 9*z^5 + 2*y*z^5 + 3*z^6)*Zeta[3])/(y^2*z^2*(-1 + y + z)^2)) + G[1, z]*(((I/6)*Pi^3*(-1 + 2*y + z)*(-4*y + 4*y^2 + 3*z - 18*y*z + 22*y^2*z - 6*z^2 + 22*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)^2) + (Pi^4*(-51*y + 153*y^2 - 102*y^3 - 246*z + 860*y*z - 944*y^2*z + 546*y^3*z + 738*z^2 - 1567*y*z^2 + 791*y^2*z^2 - 738*z^3 + 758*y*z^3 + 246*z^4))/(120*y^2*(-1 + y + z)^2) + (Pi^2*(-1 + 2*y + z)*(3*y^2 - 15*y^4 + 18*y^5 - 6*y^6 + 24*y^2*z - 78*y^3*z + 84*y^4*z - 36*y^5*z + 6*y^6*z - 3*z^2 + 42*y*z^2 - 86*y^2*z^2 + 70*y^3*z^2 - 41*y^4*z^2 + 18*y^5*z^2 + 18*z^3 - 116*y*z^3 + 326*y^2*z^3 - 494*y^3*z^3 + 266*y^4*z^3 - 89*z^4 + 462*y*z^4 - 871*y^2*z^4 + 502*y^3*z^4 + 136*z^5 - 450*y*z^5 + 310*y^2*z^5 - 62*z^6 + 62*y*z^6))/(24*(-1 + y)*y^2*z^2* (-1 + y + z)^2*(y + z)) + (Pi^2*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[0, 0, y])/ (y^2*(-1 + y + z)^2) - (Pi^2*(-y + 3*y^2 - 2*y^3 + 6*z - 12*y*z + 8*y^2*z + 6*y^3*z - 18*z^2 + 27*y*z^2 - 11*y^2*z^2 + 18*z^3 - 14*y*z^3 - 6*z^4)*G[0, 1, y])/(2*y^2*(-1 + y + z)^2) + (Pi^2*(-y + 3*y^2 - 2*y^3 - 6*z + 20*y*z - 22*y^2*z + 10*y^3*z + 18*z^2 - 37*y*z^2 + 19*y^2*z^2 - 18*z^3 + 18*y*z^3 + 6*z^4)* G[1, 0, y])/(y^2*(-1 + y + z)^2) - (Pi^2*(3*y - 6*y^2 + 21*z - 44*y*z + 26*y^2*z - 42*z^2 + 41*y*z^2 + 21*z^3)*G[1, 1, y])/(2*y^2*(-1 + y + z)) + (((-6*I)*Pi*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) + (21*y - 51*y^2 + 21*y^3 + 15*y^4 - 6*y^5 + 24*z - 184*y*z + 278*y^2*z - 58*y^3*z - 86*y^4*z + 26*y^5*z - 108*z^2 + 485*y*z^2 - 461*y^2*z^2 - 66*y^3*z^2 + 168*y^4*z^2 - 34*y^5*z^2 + 198*z^3 - 642*y*z^3 + 495*y^2*z^3 + 98*y^3*z^3 - 158*y^4*z^3 + 22*y^5*z^3 - 210*z^4 + 663*y*z^4 - 734*y^2*z^4 + 129*y^3*z^4 + 61*y^4*z^4 + 180*z^5 - 668*y*z^5 + 743*y^2*z^5 - 124*y^3*z^5 - 144*z^6 + 447*y*z^6 - 270*y^2*z^6 + 78*z^7 - 122*y*z^7 - 18*z^8)/(2*y^2*(-1 + z)^2*z^2* (-1 + y + z)^2))*G[0, 0, 1, y] + (((6*I)*Pi*(-1 + 3*y - 2*y^2 + 4*z - 8*y*z + 6*y^2*z - 5*z^2 + 5*y*z^2 + 2*z^3))/(y*(-1 + y + z)^2) - (12*y - 42*y^2 + 21*y^3 + 15*y^4 - 6*y^5 + 12*z - 100*y*z + 215*y^2*z - 82*y^3*z - 74*y^4*z + 26*y^5*z - 42*z^2 + 234*y*z^2 - 345*y^2*z^2 + 30*y^3*z^2 + 132*y^4*z^2 - 34*y^5*z^2 + 27*z^3 - 264*y*z^3 + 413*y^2*z^3 - 46*y^3*z^3 - 122*y^4*z^3 + 22*y^5*z^3 + 75*z^4 + 296*y*z^4 - 689*y^2*z^4 + 225*y^3*z^4 + 49*y^4*z^4 - 150*z^5 - 396*y*z^5 + 696*y^2*z^5 - 148*y^3*z^5 + 108*z^6 + 306*y*z^6 - 248*y^2*z^6 - 33*z^7 - 88*y*z^7 + 3*z^8)/(2*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2))* G[0, 1, 0, y] + (((6*I)*Pi*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) - (21*y - 51*y^2 + 21*y^3 + 15*y^4 - 6*y^5 + 24*z - 184*y*z + 278*y^2*z - 58*y^3*z - 86*y^4*z + 26*y^5*z - 108*z^2 + 485*y*z^2 - 461*y^2*z^2 - 66*y^3*z^2 + 168*y^4*z^2 - 34*y^5*z^2 + 198*z^3 - 642*y*z^3 + 495*y^2*z^3 + 98*y^3*z^3 - 158*y^4*z^3 + 22*y^5*z^3 - 210*z^4 + 663*y*z^4 - 734*y^2*z^4 + 129*y^3*z^4 + 61*y^4*z^4 + 180*z^5 - 668*y*z^5 + 743*y^2*z^5 - 124*y^3*z^5 - 144*z^6 + 447*y*z^6 - 270*y^2*z^6 + 78*z^7 - 122*y*z^7 - 18*z^8)/(2*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2))* G[1, 0, 1, y] + (((-6*I)*Pi*(-1 + 3*y - 2*y^2 + 4*z - 8*y*z + 6*y^2*z - 5*z^2 + 5*y*z^2 + 2*z^3))/(y*(-1 + y + z)^2) + (12*y - 42*y^2 + 21*y^3 + 15*y^4 - 6*y^5 + 12*z - 100*y*z + 215*y^2*z - 82*y^3*z - 74*y^4*z + 26*y^5*z - 42*z^2 + 234*y*z^2 - 345*y^2*z^2 + 30*y^3*z^2 + 132*y^4*z^2 - 34*y^5*z^2 + 27*z^3 - 264*y*z^3 + 413*y^2*z^3 - 46*y^3*z^3 - 122*y^4*z^3 + 22*y^5*z^3 + 75*z^4 + 296*y*z^4 - 689*y^2*z^4 + 225*y^3*z^4 + 49*y^4*z^4 - 150*z^5 - 396*y*z^5 + 696*y^2*z^5 - 148*y^3*z^5 + 108*z^6 + 306*y*z^6 - 248*y^2*z^6 - 33*z^7 - 88*y*z^7 + 3*z^8)/(2*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2))* G[1, 1, 0, y] + (3*(-3*y + 9*y^2 - 6*y^3 - 9*z + 36*y*z - 41*y^2*z + 32*y^3*z + 27*z^2 - 63*y*z^2 + 32*y^2*z^2 - 27*z^3 + 30*y*z^3 + 9*z^4)*G[0, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) - (3*(-2*y + 6*y^2 - 4*y^3 + 3*z - 9*y^2*z + 10*y^3*z - 9*z^2 + 6*y*z^2 + 3*y^2*z^2 + 9*z^3 - 4*y*z^3 - 3*z^4)*G[0, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)*G[0, 0, 1, 1, y])/(y^2*(-1 + y + z)) - (6*(-1 + 3*y - 2*y^2 + 4*z - 8*y*z + 6*y^2*z - 5*z^2 + 5*y*z^2 + 2*z^3)*G[0, 1, 0, 0, y])/(y*(-1 + y + z)^2) - (6*(-y + 3*y^2 - 2*y^3 - 3*z + 12*y*z - 13*y^2*z + 12*y^3*z + 9*z^2 - 21*y*z^2 + 10*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)* G[0, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (3*(-1 + z)*(y - 3*y^2 + 2*y^3 - 6*z + 13*y*z - 9*y^2*z + 12*z^2 - 14*y*z^2 - 6*z^3)*G[0, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + (3*(-1 + z)*(y - 3*y^2 + 2*y^3 + 3*z - 11*y*z + 15*y^2*z - 6*z^2 + 10*y*z^2 + 3*z^3)*G[1, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) - (6*(-y + 3*y^2 - 2*y^3 - 9*z + 28*y*z - 29*y^2*z + 12*y^3*z + 27*z^2 - 53*y*z^2 + 26*y^2*z^2 - 27*z^3 + 26*y*z^3 + 9*z^4)* G[1, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 0, 1, 1, y])/(y^2*(-1 + y + z)) + (6*(-1 + 3*y - 2*y^2 + 4*z - 8*y*z + 6*y^2*z - 5*z^2 + 5*y*z^2 + 2*z^3)*G[1, 1, 0, 0, y])/(y*(-1 + y + z)^2) - (3*(-2*y + 6*y^2 - 4*y^3 - 6*z + 24*y*z - 33*y^2*z + 10*y^3*z + 18*z^2 - 42*y*z^2 + 27*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4)* G[1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (3*(-3*y + 9*y^2 - 6*y^3 - 21*z + 68*y*z - 73*y^2*z + 32*y^3*z + 63*z^2 - 127*y*z^2 + 64*y^2*z^2 - 63*z^3 + 62*y*z^3 + 21*z^4)* G[1, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((6*I)*Pi*(-3*y + 9*y^2 - 6*y^3 - 12*z + 44*y*z - 52*y^2*z + 26*y^3*z + 36*z^2 - 79*y*z^2 + 43*y^2*z^2 - 36*z^3 + 38*y*z^3 + 12*z^4))/(y^2*(-1 + y + z)^2) - (69*y - 171*y^2 + 21*y^3 + 135*y^4 - 54*y^5 + 75*z - 594*y*z + 906*y^2*z + 30*y^3*z - 606*y^4*z + 186*y^5*z - 339*z^2 + 1545*y*z^2 - 1381*y^2*z^2 - 698*y^3*z^2 + 1008*y^4*z^2 - 210*y^5*z^2 + 651*z^3 - 2052*y*z^3 + 1199*y^2*z^3 + 890*y^3*z^3 - 798*y^4*z^3 + 102*y^5*z^3 - 795*z^4 + 2223*y*z^4 - 1806*y^2*z^4 + 89*y^3*z^4 + 261*y^4*z^4 + 825*z^5 - 2346*y*z^5 + 2035*y^2*z^5 - 332*y^3*z^5 - 705*z^6 + 1587*y*z^6 - 782*y^2*z^6 + 369*z^7 - 432*y*z^7 - 81*z^8)/(2*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2))* Zeta[3]) + G[1 - y, z]*((((4*I)/9)*Pi*(y - z)*(-17 + 6*y + 6*z))/ (y + z)^2 + (34*(y - z)*(-11 + 6*y + 6*z))/(27*(y + z)^2) + (Pi^4*(y - z)*(246*y^2 - 492*y^3 + 246*y^4 + 297*y*z - 1055*y^2*z + 758*y^3*z + 246*z^2 - 1055*y*z^2 + 1010*y^2*z^2 - 492*z^3 + 758*y*z^3 + 246*z^4))/(120*y^2*z^2*(-1 + y + z)) + ((I/6)*Pi^3*(y - z)*(3*y^4 - 12*y^5 + 18*y^6 - 12*y^7 + 3*y^8 + 23*y^3*z - 109*y^4*z + 195*y^5*z - 161*y^6*z + 58*y^7*z - 6*y^8*z + 41*y^2*z^2 - 271*y^3*z^2 + 646*y^4*z^2 - 717*y^5*z^2 + 378*y^6*z^2 - 80*y^7*z^2 + 3*y^8*z^2 + 23*y*z^3 - 271*y^2*z^3 + 940*y^3*z^3 - 1436*y^4*z^3 + 1050*y^5*z^3 - 338*y^6*z^3 + 32*y^7*z^3 + 3*z^4 - 109*y*z^4 + 646*y^2*z^4 - 1436*y^3*z^4 + 1455*y^4*z^4 - 658*y^5*z^4 + 101*y^6*z^4 - 12*z^5 + 195*y*z^5 - 717*y^2*z^5 + 1050*y^3*z^5 - 658*y^4*z^5 + 144*y^5*z^5 + 18*z^6 - 161*y*z^6 + 378*y^2*z^6 - 338*y^3*z^6 + 101*y^4*z^6 - 12*z^7 + 58*y*z^7 - 80*y^2*z^7 + 32*y^3*z^7 + 3*z^8 - 6*y*z^8 + 3*y^2*z^8))/((-1 + y)^2*y^2*(-1 + z)^2*z^2*(-1 + y + z)* (y + z)^2) + (Pi^2*(y - z)*(9*y^2 - 72*y^3 + 384*y^4 - 996*y^5 + 1269*y^6 - 780*y^7 + 186*y^8 + 18*y*z - 216*y^2*z + 1989*y^3*z - 6759*y^4*z + 10623*y^5*z - 8325*y^6*z + 3042*y^7*z - 372*y^8*z + 9*z^2 - 216*y*z^2 + 3205*y^2*z^2 - 15123*y^3*z^2 + 31977*y^4*z^2 - 34243*y^5*z^2 + 18441*y^6*z^2 - 4236*y^7*z^2 + 186*y^8*z^2 - 72*z^3 + 1989*y*z^3 - 15123*y^2*z^3 + 45236*y^3*z^3 - 66226*y^4*z^3 + 49202*y^5*z^3 - 16782*y^6*z^3 + 1776*y^7*z^3 + 384*z^4 - 6759*y*z^4 + 31977*y^2*z^4 - 66226*y^3*z^4 + 67229*y^4*z^4 - 31606*y^5*z^4 + 5199*y^6*z^4 - 996*z^5 + 10623*y*z^5 - 34243*y^2*z^5 + 49202*y^3*z^5 - 31606*y^4*z^5 + 7218*y^5*z^5 + 1269*z^6 - 8325*y*z^6 + 18441*y^2*z^6 - 16782*y^3*z^6 + 5199*y^4*z^6 - 780*z^7 + 3042*y*z^7 - 4236*y^2*z^7 + 1776*y^3*z^7 + 186*z^8 - 372*y*z^8 + 186*y^2*z^8))/(72*(-1 + y)^2*y^2*(-1 + z)^2*z^2*(-1 + y + z)* (y + z)^2) + (((-I)*Pi*(3*y - 6*y^2 + 3*y^3 - 6*z + 7*y*z - y^2*z + 12*z^2 + 8*y*z^2 - 6*z^3))/(z^2*(-1 + y + z)) - (3 - 40*y + 59*y^2 - 22*y^3 + 40*z - 32*y*z - 30*y^2*z + 22*y^3*z - 134*z^2 + 73*y*z^2 - 33*y^2*z^2 + 133*z^3 - y*z^3 - 42*z^4)/(2*(-1 + z)*z^2*(-1 + y + z)) - (Pi^2*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 + 16*y^3*z - 32*y^4*z + 16*y^5*z - 2*y*z^2 + 6*y^2*z^2 - 21*y^3*z^2 + 17*y^4*z^2 - 6*z^3 + 24*y*z^3 - 30*y^2*z^3 + 14*y^3*z^3 + 18*z^4 - 42*y*z^4 + 24*y^2*z^4 - 18*z^5 + 20*y*z^5 + 6*z^6))/ (2*y^2*z^2*(-1 + y + z)^2))*G[0, 0, y] + (-1/2*(Pi^2*(y^2 - 3*y^3 + 2*y^4 - y*z + y^3*z + 12*z^2 - 17*y*z^2 + 7*y^2*z^2 - 24*z^3 + 18*y*z^3 + 12*z^4))/ (y^2*z*(-1 + y + z)) + (I*Pi*(-3*y^2 + 9*y^3 - 9*y^4 + 3*y^5 - 16*y*z + 44*y^2*z - 46*y^3*z + 24*y^4*z - 6*y^5*z - 3*z^2 + 57*y*z^2 - 121*y^2*z^2 + 85*y^3*z^2 - 21*y^4*z^2 + 3*y^5*z^2 + 28*z^3 - 109*y*z^3 + 142*y^2*z^3 - 63*y^3*z^3 + 4*y^4*z^3 - 47*z^4 + 112*y*z^4 - 88*y^2*z^4 + 19*y^3*z^4 + 22*z^5 - 44*y*z^5 + 24*y^2*z^5))/((-1 + y)^2*y*(-1 + z)^2*z^2) + (3*y^2 + 17*y^4 - 134*y^5 + 255*y^6 - 194*y^7 + 53*y^8 + 72*y^2*z - 100*y^3*z - 360*y^4*z + 1066*y^5*z - 1118*y^6*z + 546*y^7*z - 106*y^8*z - 3*z^2 - 42*y^2*z^2 - 650*y^3*z^2 + 2677*y^4*z^2 - 3790*y^5*z^2 + 2433*y^6*z^2 - 678*y^7*z^2 + 53*y^8*z^2 + 24*z^3 - 1000*y^2*z^3 + 4154*y^3*z^3 - 7140*y^4*z^3 + 5835*y^5*z^3 - 2133*y^6*z^3 + 260*y^7*z^3 - 75*z^4 - 264*y*z^4 + 3173*y^2*z^4 - 7562*y^3*z^4 + 7990*y^4*z^4 - 3825*y^5*z^4 + 629*y^6*z^4 + 120*z^5 + 780*y*z^5 - 3990*y^2*z^5 + 6079*y^3*z^5 - 3969*y^4*z^5 + 914*y^5*z^5 - 105*z^6 - 750*y*z^6 + 2209*y^2*z^6 - 2139*y^3*z^6 + 719*y^4*z^6 + 48*z^7 + 216*y*z^7 - 416*y^2*z^7 + 218*y^3*z^7 - 9*z^8 + 18*y*z^8 - 9*y^2*z^8)/(4*(-1 + y)^2*y^2* (-1 + z)^2*z^2*(-1 + y + z)*(y + z)))*G[0, 1, y] + ((Pi^2*(-3*y^3 + 3*y^4 + 2*y^3*z + 4*y*z^2 - 4*y^2*z^2 + 18*z^3 - 20*y*z^3 - 18*z^4))/(2*y^2*z^2) - (I*Pi*(16*y^3 - 50*y^4 + 34*y^5 + 15*y^2*z - 132*y^3*z + 202*y^4*z - 68*y^5*z - 21*y*z^2 - 40*y^2*z^2 + 317*y^3*z^2 - 251*y^4*z^2 + 32*y^5*z^2 - 18*z^3 + 118*y*z^3 + 49*y^2*z^3 - 296*y^3*z^3 + 95*y^4*z^3 + 72*z^4 - 210*y*z^4 - 35*y^2*z^4 + 93*y^3*z^4 - 108*z^5 + 150*y*z^5 + 11*y^2*z^5 + 72*z^6 - 37*y*z^6 - 18*z^7))/(y*(-1 + z)^2*z*(-1 + y + z)*(y + z)^2) - (-24*y^3 + 63*y^4 - 48*y^5 + 9*y^6 - 78*y^2*z + 432*y^3*z - 761*y^4*z + 431*y^5*z - 18*y^6*z - 84*y*z^2 + 588*y^2*z^2 - 1920*y^3*z^2 + 2417*y^4*z^2 - 882*y^5*z^2 + 9*y^6*z^2 - 30*z^3 + 33*y*z^3 - 1129*y^2*z^3 + 3941*y^3*z^3 - 3032*y^4*z^3 + 433*y^5*z^3 - 120*z^4 + 936*y*z^4 + 1259*y^2*z^4 - 3696*y^3*z^4 + 1181*y^4*z^4 + 726*z^5 - 1917*y*z^5 - 994*y^2*z^5 + 1201*y^3*z^5 - 1164*z^6 + 1314*y*z^6 + 354*y^2*z^6 + 780*z^7 - 282*y*z^7 - 192*z^8)/(4*y*(-1 + z)^2*z^2* (-1 + y + z)*(y + z)^2))*G[1, 0, y] + ((-7*(y - z)*(-27*y^2 + 27*y^3 - 50*y*z + 81*y^2*z - 27*z^2 + 81*y*z^2 + 27*z^3))/(6*y*z*(y + z)^2) + (Pi^2*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - 2*y^2*z + 24*y^3*z - 42*y^4*z + 20*y^5*z - 5*y*z^2 + 21*y^2*z^2 - 45*y^3*z^2 + 29*y^4*z^2 - 24*z^3 + 84*y*z^3 - 103*y^2*z^3 + 46*y^3*z^3 + 72*z^4 - 153*y*z^4 + 84*y^2*z^4 - 72*z^5 + 74*y*z^5 + 24*z^6))/ (2*y^2*z^2*(-1 + y + z)^2))*G[1, 1, y] + ((9*y - 18*y^2 + 9*y^3 - 14*z + 9*y*z + 5*y^2*z + 28*z^2 + 36*y*z^2 - 14*z^3)*G[0, 0, 0, y])/(2*z^2*(-1 + y + z)) + (((6*I)*Pi*(-1 + y + z)*(y + z)*(3*y^2 - 2*y*z + 3*z^2))/(y^2*z^2) + (21*y - 72*y^2 + 96*y^3 - 84*y^4 + 81*y^5 - 60*y^6 + 18*y^7 + 21*z - 174*y*z + 403*y^2*z - 485*y^3*z + 498*y^4*z - 445*y^5*z + 218*y^6*z - 36*y^7*z - 72*z^2 + 419*y*z^2 - 824*y^2*z^2 + 1017*y^3*z^2 - 1098*y^4*z^2 + 796*y^5*z^2 - 256*y^6*z^2 + 18*y^7*z^2 + 90*z^3 - 479*y*z^3 + 905*y^2*z^3 - 1106*y^3*z^3 + 1068*y^4*z^3 - 574*y^5*z^3 + 96*y^6*z^3 - 48*z^4 + 346*y*z^4 - 698*y^2*z^4 + 672*y^3*z^4 - 424*y^4*z^4 + 146*y^5*z^4 + 15*z^5 - 199*y*z^5 + 400*y^2*z^5 - 242*y^3*z^5 + 38*y^4*z^5 - 12*z^6 + 78*y*z^6 - 120*y^2*z^6 + 48*y^3*z^6 + 6*z^7 - 12*y*z^7 + 6*y^2*z^7)/(2*(-1 + y)^2*y^2*(-1 + z)^2*z^2*(-1 + y + z)))* G[0, 0, 1, y] + (((-6*I)*Pi*(-3*y^2 + 3*y^3 + 2*y^2*z - z^2 + y*z^2 + 2*z^3))/(y*z^2) - (15*y^3 - 36*y^4 + 45*y^5 - 42*y^6 + 18*y^7 + 45*y^2*z - 168*y^3*z + 178*y^4*z - 55*y^5*z + 36*y^6*z - 36*y^7*z + 45*y*z^2 - 270*y^2*z^2 + 444*y^3*z^2 - 62*y^4*z^2 - 266*y^5*z^2 + 54*y^6*z^2 + 18*y^7*z^2 + 15*z^3 - 180*y*z^3 + 552*y^2*z^3 - 542*y^3*z^3 - 319*y^4*z^3 + 523*y^5*z^3 - 52*y^6*z^3 - 42*z^4 + 249*y*z^4 - 846*y^2*z^4 + 847*y^3*z^4 + 304*y^4*z^4 - 255*y^5*z^4 + 12*z^5 - 279*y*z^5 + 1427*y^2*z^5 - 1088*y^3*z^5 - 69*y^4*z^5 + 66*z^6 + 463*y*z^6 - 1444*y^2*z^6 + 492*y^3*z^6 - 78*z^7 - 455*y*z^7 + 536*y^2*z^7 + 30*z^8 + 157*y*z^8 - 3*z^9)/(2*y^2*(-1 + z)^2*z^2*(-1 + y + z)* (y + z)^2))*G[0, 1, 0, y] - ((-12*y^3 + 42*y^4 - 54*y^5 + 30*y^6 - 6*y^7 - 36*y^2*z + 160*y^3*z - 338*y^4*z + 394*y^5*z - 234*y^6*z + 54*y^7*z + 36*y*z^2 - 385*y^3*z^2 + 961*y^4*z^2 - 1039*y^5*z^2 + 517*y^6*z^2 - 90*y^7*z^2 + 12*z^3 - 160*y*z^3 + 217*y^2*z^3 + 518*y^3*z^3 - 1473*y^4*z^3 + 1294*y^5*z^3 - 442*y^6*z^3 + 38*y^7*z^3 - 42*z^4 + 267*y*z^4 - 216*y^2*z^4 - 700*y^3*z^4 + 1331*y^4*z^4 - 769*y^5*z^4 + 129*y^6*z^4 + 45*z^5 - 140*y*z^5 - 144*y^2*z^5 + 710*y^3*z^5 - 661*y^4*z^5 + 182*y^5*z^5 - 3*z^6 - 79*y*z^6 + 295*y^2*z^6 - 351*y^3*z^6 + 138*y^4*z^6 - 21*z^7 + 94*y*z^7 - 125*y^2*z^7 + 56*y^3*z^7 + 9*z^8 - 18*y*z^8 + 9*y^2*z^8)*G[0, 1, 1, y])/(2*(-1 + y)^2*y^2* (-1 + z)^2*z^2*(y + z)^2) + (((-6*I)*Pi*y*(-3 + 3*y + 2*z))/z^2 - (-27*y^4 + 81*y^5 - 81*y^6 + 27*y^7 - 4*y^3*z + 78*y^4*z - 198*y^5*z + 178*y^6*z - 54*y^7*z + 39*y^2*z^2 - 223*y^3*z^2 + 328*y^4*z^2 - 58*y^5*z^2 - 113*y^6*z^2 + 27*y^7*z^2 - 24*y*z^3 - 168*y^2*z^3 + 990*y^3*z^3 - 1240*y^4*z^3 + 376*y^5*z^3 + 20*y^6*z^3 - 36*z^4 + 240*y*z^4 + 227*y^2*z^4 - 1615*y^3*z^4 + 1299*y^4*z^4 - 193*y^5*z^4 + 180*z^5 - 682*y*z^5 - 98*y^2*z^5 + 1162*y^3*z^5 - 434*y^4*z^5 - 360*z^6 + 846*y*z^6 - 8*y^2*z^6 - 310*y^3*z^6 + 360*z^7 - 486*y*z^7 + 8*y^2*z^7 - 180*z^8 + 106*y*z^8 + 36*z^9)/(2*y*(-1 + z)^2*z^2*(-1 + y + z)^2* (y + z)^2))*G[1, 0, 0, y] + (((6*I)*Pi*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2))/(y^2*z^2) + (12*y^3 - 30*y^4 + 24*y^5 - 36*y^6 + 84*y^7 - 78*y^8 + 24*y^9 + 33*y^2*z - 147*y^3*z + 180*y^4*z - 108*y^5*z + 267*y^6*z - 441*y^7*z + 264*y^8*z - 48*y^9*z - 42*y*z^2 + 38*y^2*z^2 + 78*y^3*z^2 + 36*y^4*z^2 + 24*y^5*z^2 - 652*y^6*z^2 + 788*y^7*z^2 - 294*y^8*z^2 + 24*y^9*z^2 - 15*z^3 + 197*y*z^3 - 471*y^2*z^3 + 897*y^3*z^3 - 1343*y^4*z^3 + 611*y^5*z^3 + 615*y^6*z^3 - 603*y^7*z^3 + 112*y^8*z^3 + 42*z^4 - 336*y*z^4 + 1172*y^2*z^4 - 2662*y^3*z^4 + 3116*y^4*z^4 - 1338*y^5*z^4 - 170*y^6*z^4 + 172*y^7*z^4 - 39*z^5 + 425*y*z^5 - 1994*y^2*z^5 + 3948*y^3*z^5 - 3471*y^4*z^5 + 1163*y^5*z^5 - 32*y^6*z^5 + 42*z^6 - 648*y*z^6 + 2334*y^2*z^6 - 3268*y^3*z^6 + 1924*y^4*z^6 - 376*y^5*z^6 - 84*z^7 + 680*y*z^7 - 1502*y^2*z^7 + 1314*y^3*z^7 - 408*y^4*z^7 + 78*z^8 - 324*y*z^8 + 414*y^2*z^8 - 172*y^3*z^8 - 24*z^9 + 48*y*z^9 - 24*y^2*z^9)/(2*(-1 + y)^2*y^2* (-1 + z)^2*z^2*(-1 + y + z)*(y + z)^2))*G[1, 0, 1, y] + (((6*I)*Pi*(-1 + y + 2*z))/y - (12*y - 42*y^2 + 48*y^3 - 12*y^4 - 12*y^5 + 6*y^6 + 12*z - 100*y*z + 220*y^2*z - 132*y^3*z - 68*y^4*z + 80*y^5*z - 12*y^6*z - 42*z^2 + 254*y*z^2 - 430*y^2*z^2 + 86*y^3*z^2 + 250*y^4*z^2 - 124*y^5*z^2 + 6*y^6*z^2 + 27*z^3 - 390*y*z^3 + 735*y^2*z^3 - 142*y^3*z^3 - 263*y^4*z^3 + 62*y^5*z^3 + 87*z^4 + 586*y*z^4 - 1193*y^2*z^4 + 314*y^3*z^4 + 93*y^4*z^4 - 192*z^5 - 716*y*z^5 + 1053*y^2*z^5 - 174*y^3*z^5 + 162*z^6 + 480*y*z^6 - 343*y^2*z^6 - 63*z^7 - 126*y*z^7 + 9*z^8)/(2*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2))* G[1, 1, 0, y] - (3*(3*y - 6*y^2 + 4*y^3 + 9*z - 24*y*z + 14*y^2*z - 18*z^2 + 21*y*z^2 + 9*z^3)*G[0, 0, 0, 1, y])/(y^2*(-1 + y + z)) + (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 8*y^3*z - 16*y^4*z + 8*y^5*z - 2*y*z^2 + 6*y^2*z^2 - 14*y^3*z^2 + 10*y^4*z^2 - 3*z^3 + 16*y*z^3 - 23*y^2*z^3 + 10*y^3*z^3 + 9*z^4 - 26*y*z^4 + 17*y^2*z^4 - 9*z^5 + 12*y*z^5 + 3*z^6)*G[0, 0, 1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) - (6*(-1 + y + z)*(y + z)* (3*y^2 - 2*y*z + 3*z^2)*G[0, 0, 1, 1, y])/(y^2*z^2) + (6*(-6*y^2 + 6*y^3 + 4*y^2*z - z^2 + y*z^2 + 2*z^3)* G[0, 1, 0, 0, y])/(y*z^2) - (3*(y - z)*(6*y^2 - 12*y^3 + 6*y^4 + 8*y*z - 28*y^2*z + 20*y^3*z + 6*z^2 - 28*y*z^2 + 27*y^2*z^2 - 12*z^3 + 20*y*z^3 + 6*z^4)*G[0, 1, 0, 1, y])/ (y^2*z^2*(-1 + y + z)) - (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 8*y^3*z - 16*y^4*z + 8*y^5*z - y*z^2 + 3*y^2*z^2 - 11*y^3*z^2 + 9*y^4*z^2 + 12*z^3 - 28*y*z^3 + 20*y^2*z^3 - 4*y^3*z^3 - 36*z^4 + 59*y*z^4 - 23*y^2*z^4 + 36*z^5 - 30*y*z^5 - 12*z^6)* G[0, 1, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) + (9*y*(-3 + 3*y + 2*z)*G[1, 0, 0, 0, y])/z^2 + (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 12*y^3*z - 21*y^4*z + 10*y^5*z + 3*y*z^2 - 6*y^2*z^2 - 6*y^3*z^2 + 9*y^4*z^2 + 9*z^3 - 36*y*z^3 + 41*y^2*z^3 - 14*y^3*z^3 - 27*z^4 + 63*y*z^4 - 34*y^2*z^4 + 27*z^5 - 30*y*z^5 - 9*z^6)*G[1, 0, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) - (6*(-3*y^3 + 3*y^4 + 2*y^3*z + 2*y*z^2 - 2*y^2*z^2 + 12*z^3 - 12*y*z^3 - 12*z^4)*G[1, 0, 1, 0, y])/ (y^2*z^2) - (3*(-1 + y + z)*(6*y^3 + 2*y^2*z - 3*y*z^2 - 9*z^3)* G[1, 0, 1, 1, y])/(y^2*z^2) - (6*(-3*y^2 + 3*y^3 + 2*y^2*z - z^2 + y*z^2 + 2*z^3)*G[1, 1, 0, 0, y])/(y*z^2) + (3*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - 2*y^2*z + 24*y^3*z - 42*y^4*z + 20*y^5*z - 3*y*z^2 + 15*y^2*z^2 - 39*y^3*z^2 + 27*y^4*z^2 - 9*z^3 + 36*y*z^3 - 52*y^2*z^3 + 28*y^3*z^3 + 27*z^4 - 63*y*z^4 + 39*y^2*z^4 - 27*z^5 + 30*y*z^5 + 9*z^6)* G[1, 1, 0, 1, y])/(y^2*z^2*(-1 + y + z)^2) - (3*(-5*y + 5*y^2 - 24*z + 26*y*z + 24*z^2)*G[1, 1, 1, 0, y])/y^2 + (((6*I)*Pi*(y - z)*(-12*y^2 + 12*y^3 - 15*y*z + 26*y^2*z - 12*z^2 + 26*y*z^2 + 12*z^3))/(y^2*z^2) + ((y - z)*(75*y^2 - 264*y^3 + 387*y^4 - 408*y^5 + 417*y^6 - 288*y^7 + 81*y^8 + 294*y*z - 1392*y^2*z + 2646*y^3*z - 3174*y^4*z + 3318*y^5*z - 2664*y^6*z + 1134*y^7*z - 162*y^8*z + 75*z^2 - 1392*y*z^2 + 4804*y^2*z^2 - 8386*y^3*z^2 + 10666*y^4*z^2 - 10122*y^5*z^2 + 5678*y^6*z^2 - 1404*y^7*z^2 + 81*y^8*z^2 - 264*z^3 + 2646*y*z^3 - 8386*y^2*z^3 + 15670*y^3*z^3 - 19362*y^4*z^3 + 14195*y^5*z^3 - 5067*y^6*z^3 + 568*y^7*z^3 + 387*z^4 - 3174*y*z^4 + 10666*y^2*z^4 - 19362*y^3*z^4 + 19138*y^4*z^4 - 9311*y^5*z^4 + 1646*y^6*z^4 - 408*z^5 + 3318*y*z^5 - 10122*y^2*z^5 + 14195*y^3*z^5 - 9311*y^4*z^5 + 2318*y^5*z^5 + 417*z^6 - 2664*y*z^6 + 5678*y^2*z^6 - 5067*y^3*z^6 + 1646*y^4*z^6 - 288*z^7 + 1134*y*z^7 - 1404*y^2*z^7 + 568*y^3*z^7 + 81*z^8 - 162*y*z^8 + 81*y^2*z^8))/(2*(-1 + y)^2*y^2*(-1 + z)^2*z^2*(-1 + y + z)* (y + z)^2))*Zeta[3]) + G[0, z]*((11*Pi^4*(1 + 2*y - z)*z)/ (24*(-1 + y + z)^2) + (34*(-1 + 2*y + z)*(5 + 6*z))/ (27*(-1 + z)^2) + (((4*I)/9)*Pi*(-1 + 2*y + z)*(11 + 6*z))/ (-1 + z)^2 + ((I/6)*Pi^3*(18*y^2 - 72*y^3 + 108*y^4 - 72*y^5 + 18*y^6 - 2*y*z - 51*y^2*z + 165*y^3*z - 169*y^4*z + 57*y^5*z + 18*z^2 - 69*y*z^2 + 140*y^2*z^2 - 145*y^3*z^2 + 56*y^4*z^2 - 36*z^3 + 107*y*z^3 - 101*y^2*z^3 + 30*y^3*z^3 + 18*z^4 - 36*y*z^4 + 16*y^2*z^4))/((-1 + y)^2*y*z*(-1 + y + z)^2) + (Pi^2*(72*y^2 + 306*y^3 - 1926*y^4 + 3222*y^5 - 2250*y^6 + 576*y^7 + 144*y*z - 196*y^2*z - 4188*y^3*z + 13642*y^4*z - 16016*y^5*z + 7974*y^6*z - 1360*y^7*z + 72*z^2 - 334*y*z^2 - 3450*y^2*z^2 + 19328*y^3*z^2 - 34232*y^4*z^2 + 26094*y^5*z^2 - 8054*y^6*z^2 + 576*y^7*z^2 + 180*z^3 - 2502*y*z^3 + 15586*y^2*z^3 - 35867*y^3*z^3 + 37117*y^4*z^3 - 17052*y^5*z^3 + 2538*y^6*z^3 - 1314*z^4 + 8844*y*z^4 - 24733*y^2*z^4 + 30953*y^3*z^4 - 17908*y^4*z^4 + 3960*y^5*z^4 + 2142*z^5 - 10754*y*z^5 + 17992*y^2*z^5 - 12281*y^3*z^5 + 3099*y^4*z^5 - 1422*z^6 + 5790*y*z^6 - 5919*y^2*z^6 + 1749*y^3*z^6 + 342*z^7 - 1188*y*z^7 + 648*y^2*z^7))/(72*(-1 + y)^2*y*(-1 + z)^2*z*(-1 + y + z)^2* (y + z)) + (((-I)*Pi*(18*y - 36*y^2 + 18*y^3 - 35*y*z + 35*y^2*z - 6*z^2 + 26*y*z^2 + 6*z^3))/(z*(-1 + y + z)^2) - (3*y + 102*y^2 - 201*y^3 + 96*y^4 + 3*z + 85*y*z - 341*y^2*z + 253*y^3*z - 13*z^2 - 175*y*z^2 + 282*y^2*z^2 - 35*z^3 + 167*y*z^3 + 42*z^4)/(2*z*(-1 + y + z)^2*(y + z)))*G[0, 0, y] + (-((Pi^2*z*(-3 + 8*y - 5*y^2 + 6*y^3 + 9*z - 16*y*z + 5*y^2*z - 9* z^2 + 8*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)^2)) + (I*Pi*(-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 + 6*y*z - 22*y^2*z + 65*y^3*z - 88*y^4*z + 39*y^5*z - 3*z^2 + y*z^2 - 5*y^2*z^2 + 22*y^3*z^2 - 15*y^4*z^2 + 6*z^3 - 13*y*z^3 + 8*y^2*z^3 - 3*y^3*z^3 - 3*z^4 + 6*y*z^4 - 3*y^2*z^4))/((-1 + y)^2*y^2*z* (-1 + y + z)) + (24*y^2 + 102*y^3 - 642*y^4 + 1074*y^5 - 750*y^6 + 192*y^7 - 6*z - 50*y*z + 306*y^2*z - 1212*y^3*z + 2390*y^4*z - 2082*y^5*z + 654*y^6*z + 86*z^2 - 184*y*z^2 - 144*y^2*z^2 + 954*y^3*z^2 - 1170*y^4*z^2 + 458*y^5*z^2 - 204*z^3 + 576*y*z^3 - 320*y^2*z^3 - 107*y^3*z^3 + 55*y^4*z^3 + 177*z^4 - 454*y*z^4 + 205*y^2*z^4 + 6*y^3*z^4 - 53*z^5 + 106*y*z^5 - 53*y^2*z^5)/(4*(-1 + y)^2*y^2*z*(-1 + y + z)^2))* G[0, 1, y] + ((Pi^2*z*(-3 + 2*y + 3*z))/(2*y^2) + (I*Pi*(-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 - 19*y^2*z + 113*y^3*z - 163*y^4*z + 69*y^5*z + 19*y*z^2 - 14*y^2*z^2 - 74*y^3*z^2 + 60*y^4*z^2 + 18*z^3 - 145*y*z^3 + 215*y^2*z^3 - 87*y^3*z^3 - 72*z^4 + 270*y*z^4 - 204*y^2*z^4 + 90*z^5 - 144*y*z^5 - 36*z^6))/(y*z*(-1 + y + z)^2*(y + z)^2) + (-6*y^3 - 198*y^4 + 606*y^5 - 594*y^6 + 192*y^7 - 18*y^2*z - 184*y^3*z + 1240*y^4*z - 1722*y^5*z + 690*y^6*z - 18*y*z^2 + 358*y^2*z^2 - 246*y^3*z^2 - 820*y^4*z^2 + 566*y^5*z^2 - 6*z^3 + 311*y*z^3 - 1807*y^2*z^3 + 2173*y^3*z^3 - 855*y^4*z^3 + 33*z^4 - 972*y*z^4 + 2906*y^2*z^4 - 1994*y^3*z^4 - 45*z^5 + 1059*y*z^5 - 1457*y^2*z^5 + 18*z^6 - 386*y*z^6)/(4*y^2*z*(-1 + y + z)^2* (y + z)^2))*G[1, 0, y] + ((Pi^2*z*(6 - 16*y + 17*y^2 + 2*y^3 - 18*z + 32*y*z - 17*y^2*z + 18*z^2 - 16*y*z^2 - 6*z^3))/(2*y^2*(-1 + y + z)^2) - (I*Pi*(-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3))/(y^2*z) - (12*y + 75*y^2 - 183*y^3 + 96*y^4 + 12*z - 12*y*z - 131*y^2*z + 131*y^3*z + 7*z^2 - 102*y*z^2 + 99*y^2*z^2 - 22*z^3 + 22*y*z^3)/(2*(-1 + y)*y^2*z))*G[1, 1, y] + ((54*y - 108*y^2 + 54*y^3 - 109*y*z + 109*y^2*z - 14*z^2 + 78*y*z^2 + 14*z^3)*G[0, 0, 0, y])/(2*z*(-1 + y + z)^2) + (((6*I)*Pi*(1 + 2*y - z)*z)/(-1 + y + z)^2 + (18*y^3 - 72*y^4 + 108*y^5 - 72*y^6 + 18*y^7 - 14*y*z + 56*y^2*z - 145*y^3*z + 239*y^4*z - 197*y^5*z + 61*y^6*z + 9*z^2 + 16*y*z^2 - 22*y^2*z^2 - 26*y^3*z^2 + 9*y^4*z^2 + 14*y^5*z^2 - 9*z^3 - 5*y*z^3 - 13*y^2*z^3 + 82*y^3*z^3 - 55*y^4*z^3 + 3*z^4 - 6*y*z^4 + 3*y^2*z^4 - 2*y^3*z^4 - 3*z^5 + 6*y*z^5 - 3*y^2*z^5)/ (2*(-1 + y)^2*y^2*z*(-1 + y + z)^2))*G[0, 0, 1, y] + (((6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 + (-18*y^4 + 36*y^5 - 18*y^6 - 15*y^3*z + 65*y^4*z - 54*y^5*z + 4*y^6*z + 39*y^3*z^2 - 89*y^4*z^2 + 40*y^5*z^2 - 32*y*z^3 + 93*y^2*z^3 - 180*y^3*z^3 + 125*y^4*z^3 - 27*z^4 + 143*y*z^4 - 264*y^2*z^4 + 193*y^3*z^4 + 60*z^5 - 182*y*z^5 + 163*y^2*z^5 - 45*z^6 + 71*y*z^6 + 12*z^7)/ (y^2*z*(-1 + y + z)^2*(y + z)^2))*G[0, 1, 0, y] - ((36*y^2 - 180*y^3 + 324*y^4 - 252*y^5 + 72*y^6 + 6*y*z - 92*y^2*z + 310*y^3*z - 368*y^4*z + 144*y^5*z - 20*y*z^2 + 56*y^2*z^2 - 46*y^3*z^2 + 10*y^4*z^2 - 6*z^3 + 27*y*z^3 - 36*y^2*z^3 + 11*y^3*z^3 + 3*z^4 - 6*y*z^4 + 3*y^2*z^4)*G[0, 1, 1, y])/ (2*(-1 + y)^2*y^2*z*(-1 + y + z)) - ((-36*y^3 + 144*y^4 - 180*y^5 + 72*y^6 - 38*y^2*z + 298*y^3*z - 548*y^4*z + 288*y^5*z + 38*y*z^2 + 8*y^2*z^2 - 386*y^3*z^2 + 370*y^4*z^2 + 36*z^3 - 290*y*z^3 + 327*y^2*z^3 + 29*y^3*z^3 - 144*z^4 + 520*y*z^4 - 330*y^2*z^4 + 175*z^5 - 275*y*z^5 - 70*z^6)* G[1, 0, 0, y])/(2*y*z*(-1 + y + z)^2*(y + z)^2) + (((6*I)*Pi*(1 + 2*y - z)*z)/(-1 + y + z)^2 - (-18*y^2 + 72*y^3 - 108*y^4 + 72*y^5 - 18*y^6 - 5*y*z + 81*y^2*z - 217*y^3*z + 215*y^4*z - 78*y^5*z + 4*y^6*z + 3*z^2 - 15*y*z^2 - 20*y^2*z^2 + 57*y^3*z^2 - 9*y^4*z^2 - 16*y^5*z^2 - 18*z^3 + 65*y*z^3 - 96*y^2*z^3 + 64*y^3*z^3 - 15*y^4*z^3 + 21*z^4 - 57*y*z^4 + 51*y^2*z^4 - 13*y^3*z^4 - 6*z^5 + 12*y*z^5 - 6*y^2*z^5)/((-1 + y)^2*y^2*z*(-1 + y + z)^2))*G[1, 0, 1, y] + (((6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 + (-18*y^4 + 54*y^5 - 54*y^6 + 18*y^7 - 11*y^3*z + 101*y^4*z - 155*y^5*z + 65*y^6*z - 19*y^2*z^2 + 14*y^3*z^2 - 44*y^4*z^2 + 26*y^5*z^2 - 82*y*z^3 + 73*y^2*z^3 + 156*y^3*z^3 - 160*y^4*z^3 - 54*z^4 + 232*y*z^4 - 5*y^2*z^4 - 232*y^3*z^4 + 126*z^5 - 203*y*z^5 - 70*y^2*z^5 - 99*z^6 + 50*y*z^6 + 27*z^7)/(2*y^2*z*(-1 + y + z)^2*(y + z)^2))* G[1, 1, 0, y] + ((-54*y^2 + 54*y^3 + y*z + 53*y^2*z - 9*z^2 + 22*y*z^2 + 9*z^3)*G[1, 1, 1, y])/(2*y^2*z) + (6*(1 + 2*y - z)*z*G[0, 0, 0, 1, y])/(-1 + y + z)^2 + (9*z*(-3 + 2*y + 3*z)*G[0, 0, 1, 0, y])/y^2 - (6*(1 + 2*y - z)*z*G[0, 0, 1, 1, y])/(-1 + y + z)^2 - (6*z*(-3 + 2*y + 3*z)*G[0, 1, 0, 0, y])/y^2 - (15*(1 + 2*y - z)*z*G[0, 1, 0, 1, y])/(-1 + y + z)^2 + (6*z*(-3 + 2*y + 3*z)*G[0, 1, 1, 0, y])/y^2 + (6*(1 + 2*y - z)*z*G[1, 0, 0, 1, y])/(-1 + y + z)^2 - (15*z*(-3 + 2*y + 3*z)*G[1, 0, 1, 0, y])/y^2 - (6*(1 + 2*y - z)*z*G[1, 0, 1, 1, y])/(-1 + y + z)^2 - (6*z*(-3 + 2*y + 3*z)*G[1, 1, 0, 0, y])/y^2 + (9*(1 + 2*y - z)*z*G[1, 1, 0, 1, y])/(-1 + y + z)^2 + (6*z*(-3 + 2*y + 3*z)*G[1, 1, 1, 0, y])/y^2 + (((18*I)*Pi*(1 + 2*y - z)*z)/(-1 + y + z)^2 + (162*y^2 - 648*y^3 + 972*y^4 - 648*y^5 + 162*y^6 - 26*y*z - 687*y^2*z + 2541*y^3*z - 3241*y^4*z + 1737*y^5*z - 324*y^6*z - 108*z^2 + 839*y*z^2 - 382*y^2*z^2 - 2527*y^3*z^2 + 3546*y^4*z^2 - 1530*y^5*z^2 + 162*y^6*z^2 + 432*z^3 - 2133*y*z^3 + 2366*y^2*z^3 + 415*y^3*z^3 - 1521*y^4*z^3 + 441*y^5*z^3 - 648*z^4 + 2285*y*z^4 - 2610*y^2*z^4 + 859*y^3*z^4 + 100*y^4*z^4 + 432*z^5 - 1181*y*z^5 + 1129*y^2*z^5 - 352*y^3*z^5 - 108*z^6 + 216*y*z^6 - 122*y^2*z^6)/ (2*(-1 + y)^2*y*(-1 + z)^2*z*(-1 + y + z)^2))*Zeta[3] + G[1, y]*((I*Pi*(-17 + 18*y)*(-1 + y + 2*z))/((-1 + y)*y) - (I*Pi^3*(-1 + z)*z*(3 - 8*y + 8*y^2 - 6*z + 8*y*z + 3*z^2))/ (y^2*(-1 + y + z)^2) + ((-1 + y + 2*z)*(-9*y + 27*y^2 - 18*y^3 + 9*z + 162*y*z - 392*y^2*z + 221*y^3*z - 9*z^2 - 171*y*z^2 + 221*y^2*z^2))/(4*(-1 + y)*y^2*z*(-1 + y + z)) - (Pi^2*(-36*y^4 + 144*y^5 - 216*y^6 + 144*y^7 - 36*y^8 - 76*y^3*z + 434*y^4*z - 848*y^5*z + 700*y^6*z - 212*y^7*z + 2*y^8*z - 89*y^2*z^2 + 558*y^3*z^2 - 1251*y^4*z^2 + 1146*y^5*z^2 - 326*y^6*z^2 - 38*y^7*z^2 - 99*y*z^3 + 496*y^2*z^3 - 1061*y^3*z^3 + 914*y^4*z^3 - 144*y^5*z^3 - 106*y^6*z^3 - 48*z^4 + 314*y*z^4 - 719*y^2*z^4 + 582*y^3*z^4 - 43*y^4*z^4 - 82*y^5*z^4 + 90*z^5 - 336*y*z^5 + 391*y^2*z^5 - 144*y^3*z^5 + 7*y^4*z^5 - 57*z^6 + 148*y*z^6 - 125*y^2*z^6 + 38*y^3*z^6 + 15*z^7 - 30*y*z^7 + 15*y^2*z^7))/(12*(-1 + y)^2*y^2*z* (-1 + y + z)^2*(y + z)^2) + (6*z*(-9 + 24*y - 16*y^2 + 16*y^3 + 27*z - 48*y*z + 16*y^2*z - 27*z^2 + 24*y*z^2 + 9*z^3)*Zeta[3])/ (y^2*(-1 + y + z)^2))) + G[0, y]*((11*Pi^4*y*(-1 + y - 2*z))/ (24*(-1 + y + z)^2) - (34*(5 + 6*y)*(-1 + y + 2*z))/ (27*(-1 + y)^2) - (((4*I)/9)*Pi*(11 + 6*y)*(-1 + y + 2*z))/ (-1 + y)^2 - ((I/6)*Pi^3*(18*y^2 - 36*y^3 + 18*y^4 - 2*y*z - 69*y^2*z + 107*y^3*z - 36*y^4*z + 18*z^2 - 51*y*z^2 + 140*y^2*z^2 - 101*y^3*z^2 + 16*y^4*z^2 - 72*z^3 + 165*y*z^3 - 145*y^2*z^3 + 30*y^3*z^3 + 108*z^4 - 169*y*z^4 + 56*y^2*z^4 - 72*z^5 + 57*y*z^5 + 18*z^6))/(y*(-1 + z)^2*z*(-1 + y + z)^2) - (Pi^2*(72*y^2 + 180*y^3 - 1314*y^4 + 2142*y^5 - 1422*y^6 + 342*y^7 + 144*y*z - 334*y^2*z - 2502*y^3*z + 8844*y^4*z - 10754*y^5*z + 5790*y^6*z - 1188*y^7*z + 72*z^2 - 196*y*z^2 - 3450*y^2*z^2 + 15586*y^3*z^2 - 24733*y^4*z^2 + 17992*y^5*z^2 - 5919*y^6*z^2 + 648*y^7*z^2 + 306*z^3 - 4188*y*z^3 + 19328*y^2*z^3 - 35867*y^3*z^3 + 30953*y^4*z^3 - 12281*y^5*z^3 + 1749*y^6*z^3 - 1926*z^4 + 13642*y*z^4 - 34232*y^2*z^4 + 37117*y^3*z^4 - 17908*y^4*z^4 + 3099*y^5*z^4 + 3222*z^5 - 16016*y*z^5 + 26094*y^2*z^5 - 17052*y^3*z^5 + 3960*y^4*z^5 - 2250*z^6 + 7974*y*z^6 - 8054*y^2*z^6 + 2538*y^3*z^6 + 576*z^7 - 1360*y*z^7 + 576*y^2*z^7))/(72*(-1 + y)^2*y*(-1 + z)^2*z*(-1 + y + z)^2* (y + z)) + (((-I)*Pi*(y - z)*(-1 + 18*y + 18*z))/ ((-1 + y + z)*(y + z)) + (Pi^2*(y - z)*(-18*y + 18*y^2 - 18*z + 55*y*z + 18*z^2))/(12*y*z*(-1 + y + z)) - ((y - z)*(-9*y + 27*y^2 - 18*y^3 - 9*z + 95*y*z - 325*y^2*z + 221*y^3*z + 27*z^2 - 325*y*z^2 + 442*y^2*z^2 - 18*z^3 + 221*y*z^3))/(4*y*z*(-1 + y + z)^2*(y + z)))*G[0, z] + ((I*Pi*(-6*y^2 + 6*y^3 + 18*z - 35*y*z + 26*y^2*z - 36*z^2 + 35*y*z^2 + 18*z^3))/(y*(-1 + y + z)^2) + (3*y - 13*y^2 - 35*y^3 + 42*y^4 + 3*z + 85*y*z - 175*y^2*z + 167*y^3*z + 102*z^2 - 341*y*z^2 + 282*y^2*z^2 - 201*z^3 + 253*y*z^3 + 96*z^4)/(2*y*(-1 + y + z)^2*(y + z)))*G[0, 0, z] + (Pi^2*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[0, 1, z])/(y^2*(-1 + y + z)^2) + ((I*Pi*(-1 + 2*y + z)*(-1 + 2*z)*(-y + y^2 - 18*z + y*z + 36*z^2 - 18*z^3))/(y*(-1 + z)^2*z*(-1 + y + z)) + (Pi^2*(-3*y^2 + 9*y^3 - 9*y^4 + 3*y^5 + 8*y^2*z - 16*y^3*z + 8*y^4*z + z^2 - 3*y*z^2 - 2*y^2*z^2 + 4*y^3*z^2 - 4*z^3 + 8*y*z^3 + 2*y^2*z^3 + 5*z^4 - 5*y*z^4 - 2*z^5))/ (2*y*z^2*(-1 + y + z)^2) - ((-1 + 2*y + z)*(-12*y + 42*y^2 - 60*y^3 + 30*y^4 - 6*z + 221*y*z - 415*y^2*z + 352*y^3*z - 146*y^4*z + 39*z^2 - 977*y*z^2 + 1173*y^2*z^2 - 458*y^3*z^2 + 83*y^4*z^2 - 78*z^3 + 1725*y*z^3 - 1269*y^2*z^3 + 166*y^3*z^3 + 63*z^4 - 1343*y*z^4 + 469*y^2*z^4 - 18*z^5 + 386*y*z^5))/ (4*y^2*(-1 + z)^2*z*(-1 + y + z)^2))*G[0, 1 - y, z] + (-1/2*(Pi^2*z*(-3 + 2*y + 3*z))/y^2 + (I*Pi*(-2*y + 2*y^2 + 18*z - 37*y*z + 24*y^2*z - 36*z^2 + 39*y*z^2 + 18*z^3))/(y*(-1 + y + z)^2) - (3*y - 3*y^2 - 3*z - 6*y*z - y^2*z + 8*y^3*z - 4*y^4*z - 3*z^2 + 48*y*z^2 + 15*y^2*z^2 - 64*y^3*z^2 + 4*y^4*z^2 + 33*z^3 - 284*y*z^3 + 372*y^2*z^3 - 238*y^3*z^3 - 45*z^4 + 433*y*z^4 - 383*y^2*z^4 + 18*z^5 - 194*y*z^5)/(4*y^2*z^2*(-1 + y + z)^2))* G[1, 0, z] - (Pi^2*(-2*y + 6*y^2 - 4*y^3 - 9*z + 32*y*z - 37*y^2*z + 18*y^3*z + 27*z^2 - 58*y*z^2 + 31*y^2*z^2 - 27*z^3 + 28*y*z^3 + 9*z^4)*G[1, 1, z])/(y^2*(-1 + y + z)^2) + (Pi^2*(-y + 3*y^2 - 2*y^3 - 6*z + 20*y*z - 22*y^2*z + 10*y^3*z + 18*z^2 - 37*y*z^2 + 19*y^2*z^2 - 18*z^3 + 18*y*z^3 + 6*z^4)* G[1, 1 - y, z])/(y^2*(-1 + y + z)^2) + (-1/2*(Pi^2*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y* z^2 + 3*z^3))/(y^2*z^2) + (I*Pi*(y - z)*(-1 + 2*y + 2*z)* (-18*y^2 + 18*y^3 - 37*y*z + 54*y^2*z - 18*z^2 + 54*y*z^2 + 18*z^3))/(y*z*(-1 + y + z)*(y + z)^2) + ((y - z)*(-3*y^2 - 6*y^3 + 27*y^4 - 18*y^5 - 6*y*z - 18*y^2*z + 321*y^3*z - 677*y^4*z + 386*y^5*z - 3*z^2 - 18*y*z^2 + 621*y^2*z^2 - 1921*y^3*z^2 + 1461*y^4*z^2 - 6*z^3 + 321*y*z^3 - 1921*y^2*z^3 + 2150*y^3*z^3 + 27*z^4 - 677*y*z^4 + 1461*y^2*z^4 - 18*z^5 + 386*y*z^5))/(4*y^2*z^2*(-1 + y + z)* (y + z)^2))*G[1 - y, 0, z] - (Pi^2*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 8*y^3*z - 16*y^4*z + 8*y^5*z + 5*y*z^2 - 15*y^2*z^2 + 9*y^3*z^2 + y^4*z^2 + 21*z^3 - 76*y*z^3 + 89*y^2*z^3 - 30*y^3*z^3 - 63*z^4 + 137*y*z^4 - 74*y^2*z^4 + 63*z^5 - 66*y*z^5 - 21*z^6)*G[1 - y, 1, z])/ (2*y^2*z^2*(-1 + y + z)^2) + ((I*Pi*(-3*y^2 + 3*y^3 - y*z + 10*y^2*z - 18*z^2 + 19*y*z^2 + 18*z^3))/(y*z^2) + (Pi^2*(-9*y^3 + 9*y^4 + 6*y^3*z + 3*y*z^2 - 3*y^2*z^2 + 15*z^3 - 16*y*z^3 - 15*z^4))/(2*y^2*z^2) + (12*y + 7*y^2 - 22*y^3 + 12*z - 12*y*z - 102*y^2*z + 22*y^3*z + 75*z^2 - 131*y*z^2 + 99*y^2*z^2 - 183*z^3 + 131*y*z^3 + 96*z^4)/ (2*y*(-1 + z)*z^2))*G[1 - y, 1 - y, z] + ((I*Pi*(-3*y^2 + 3*y^3 + 5*y*z - 18*z^2 + 15*y*z^2 + 18*z^3))/ (y*z^2) + (Pi^2*(-3*y^3 + 3*y^4 + 2*y^3*z + y*z^2 - y^2*z^2 + 6*z^3 - 6*y*z^3 - 6*z^4))/(2*y^2*z^2) + (6*y^2 - 86*y^3 + 204*y^4 - 177*y^5 + 53*y^6 + 12*y*z - 4*y^2*z + 156*y^3*z - 318*y^4*z + 160*y^5*z + 6*z^2 - 245*y*z^2 + 579*y^2*z^2 - 700*y^3*z^2 + 360*y^4*z^2 - 33*z^3 + 672*y*z^3 - 1168*y^2*z^3 + 646*y^3*z^3 + 45*z^4 - 627*y*z^4 + 587*y^2*z^4 - 18*z^5 + 194*y*z^5)/(4*y^2*z^2*(-1 + y + z)^2))* G[-y, 1 - y, z] - ((-14*y^2 + 14*y^3 + 54*z - 109*y*z + 78*y^2*z - 108*z^2 + 109*y*z^2 + 54*z^3)*G[0, 0, 0, z])/ (2*y*(-1 + y + z)^2) + (((-6*I)*Pi*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3))/ (y^2*(-1 + y + z)^2) + ((-1 + 2*y + z)*(-y^2 + 2*y^3 - y^4 - 67*y*z + 71*y^2*z - 6*y^3*z + 2*y^4*z - 27*z^2 + 329*y*z^2 - 267*y^2*z^2 + 4*y^3*z^2 + 108*z^3 - 585*y*z^3 + 325*y^2*z^3 - 162*z^4 + 451*y*z^4 - 128*y^2*z^4 + 108*z^5 - 128*y*z^5 - 27*z^6))/(2*y^2*(-1 + z)^2*z*(-1 + y + z)^2))* G[0, 0, 1 - y, z] - ((-3 + 10*y - 10*y^2 + 9*z - 22*y*z + 8*y^2*z + 4*y^3*z - 6*z^2 + 48*y*z^2 - 74*y^2*z^2 + 48*y^3*z^2 - 72*y*z^3 + 78*y^2*z^3 + 36*y*z^4)*G[0, 1, 0, z])/(2*y^2*z*(-1 + y + z)^2) + (((-6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 - (3*y^2 - 10*y^3 - 24*y^4 + 154*y^5 - 211*y^6 + 88*y^7 + 6*y*z - 29*y^2*z + 14*y^3*z + 286*y^4*z - 629*y^5*z + 352*y^6*z + 3*z^2 - 28*y*z^2 + 58*y^2*z^2 + 14*y^3*z^2 - 454*y^4*z^2 + 456*y^5*z^2 - 9*z^3 - 32*y*z^3 - 82*y^2*z^3 + 198*y^3*z^3 + 76*y^4*z^3 - 48*z^4 + 156*y*z^4 + 207*y^2*z^4 - 278*y^3*z^4 + 120*z^5 - 117*y*z^5 - 168*y^2*z^5 - 90*z^6 + 18*y*z^6 + 24*z^7)/ (2*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[0, 1 - y, 0, z] + (((6*I)*Pi*(-1 + y + z)*(y + 3*z))/y^2 + (3*y^3 - 6*y^4 + 3*y^5 - y^2*z - 14*y^3*z + 21*y^4*z - 6*y^5*z + 69*y*z^2 - 150*y^2*z^2 + 73*y^3*z^2 - 24*y^4*z^2 + 3*y^5*z^2 + 27*z^3 - 378*y*z^3 + 565*y^2*z^3 - 110*y^3*z^3 + 5*y^4*z^3 - 102*z^4 + 719*y*z^4 - 676*y^2*z^4 + 48*y^3*z^4 + 147*z^5 - 580*y*z^5 + 262*y^2*z^5 - 96*z^6 + 170*y*z^6 + 24*z^7)/(2*y^2*(-1 + z)^2*z^2* (-1 + y + z)))*G[0, 1 - y, 1 - y, z] + (((6*I)*Pi*(-1 + y + z)*(y + 3*z))/y^2 + (-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 3*y^2*z + 4*y^3*z - 12*y^4*z + 8*y^5*z - 31*y*z^2 + 102*y^2*z^2 - 124*y^3*z^2 + 54*y^4*z^2 - 27*z^3 + 190*y*z^3 - 330*y^2*z^3 + 170*y^3*z^3 + 81*z^4 - 292*y*z^4 + 224*y^2*z^4 - 81*z^5 + 130*y*z^5 + 27*z^6)/(2*y^2*z^2*(-1 + y + z)^2))* G[0, -y, 1 - y, z] + (((6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 - (3 - 10*y + 10*y^2 - 9*z + 4*y*z + 22*y^2*z - 16*y^3*z + 33*z^2 - 66*y^2*z^2 + 32*y^3*z^2 - 75*z^3 + 28*y*z^3 + 34*y^2*z^3 + 72*z^4 - 22*y*z^4 - 24*z^5)/(2*y^2*z*(-1 + y + z)^2))* G[1, 0, 0, z] + (((-6*I)*Pi*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)^2) + ((-1 + 2*y + z)*(-9*y + 15*y^2 - 12*y^3 + 6*y^4 - 12*z + 51*y*z - 68*y^2*z + 40*y^3*z - 14*y^4*z + 30*z^2 - 72*y*z^2 + 74*y^2*z^2 - 48*y^3*z^2 + 10*y^4*z^2 - 24*z^3 + 90*y*z^3 - 92*y^2*z^3 + 16*y^3*z^3 + 2*y^4*z^3 + 36*z^4 - 213*y*z^4 + 159*y^2*z^4 + 4*y^3*z^4 - 84*z^5 + 243*y*z^5 - 88*y^2*z^5 + 78*z^6 - 90*y*z^6 - 24*z^7))/(2*y^2*(-1 + z)^2*z^2* (-1 + y + z)^2))*G[1, 0, 1 - y, z] + (((6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 + (18*y - 40*y^2 + 22*y^3 - 27*z + 48*y*z - 51*y^2*z + 40*y^3*z + 81*z^2 - 150*y*z^2 + 91*y^2*z^2 - 81*z^3 + 84*y*z^3 + 27*z^4)/(2*y^2*(-1 + y + z)^2))* G[1, 1, 0, z] + (((-6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 - (3*y - 9*y^2 - 21*y^3 + 45*y^4 - 18*y^5 - 10*y*z + 12*y^2*z + 64*y^3*z - 84*y^4*z + 18*y^5*z + 28*y*z^2 - 26*y^2*z^2 - 57*y^3*z^2 + 39*y^4*z^2 - 27*z^3 + 12*y*z^3 + 3*y^2*z^3 + 24*y^3*z^3 + 81*z^4 - 83*y*z^4 + 20*y^2*z^4 - 81*z^5 + 50*y*z^5 + 27*z^6)/(2*y^2*z^2*(-1 + y + z)^2))* G[1, 1 - y, 0, z] + (((-6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 - (-3*y^2 + 10*y^3 - 46*y^4 + 144*y^5 - 175*y^6 + 70*y^7 - 6*y*z + 29*y^2*z - 62*y^3*z + 268*y^4*z - 504*y^5*z + 275*y^6*z - 3*z^2 + 28*y*z^2 - 13*y^2*z^2 - 52*y^3*z^2 - 229*y^4*z^2 + 298*y^5*z^2 + 9*z^3 - 34*y*z^3 - 245*y^2*z^3 + 506*y^3*z^3 - 127*y^4*z^3 - 33*z^4 + 6*y*z^4 + 486*y^2*z^4 - 448*y^3*z^4 + 75*z^5 + 8*y*z^5 - 254*y^2*z^5 - 72*z^6 - 2*y*z^6 + 24*z^7)/ (2*y^2*z*(-1 + y + z)^2*(y + z)^2))*G[1 - y, 0, 0, z] + (((6*I)*Pi*(-1 + y + z)*(y + 3*z))/y^2 - (-12*y + 30*y^2 - 18*y^3 - 6*y^4 + 6*y^5 - 15*z + 83*y*z - 122*y^2*z + 46*y^3*z + 20*y^4*z - 12*y^5*z + 42*z^2 - 205*y*z^2 + 280*y^2*z^2 - 52*y^3*z^2 - 22*y^4*z^2 + 6*y^5*z^2 - 39*z^3 + 386*y*z^3 - 542*y^2*z^3 + 32*y^3*z^3 + 12*y^4*z^3 + 42*z^4 - 579*y*z^4 + 582*y^2*z^4 - 8*y^3*z^4 - 84*z^5 + 477*y*z^5 - 228*y^2*z^5 + 78*z^6 - 150*y*z^6 - 24*z^7)/(2*y^2*(-1 + z)^2*z^2* (-1 + y + z)))*G[1 - y, 0, 1 - y, z] + (((-6*I)*Pi*z*(-3 + 2*y + 3*z))/y^2 + (3*y - 9*y^2 + 6*y^3 - 10*y*z + 20*y^2*z - 4*y^3*z - 5*y^4*z + 2*y^5*z - 6*y*z^2 + 24*y^2*z^2 - 26*y^3*z^2 + 7*y^4*z^2 + 27*z^3 - 2*y*z^3 - 56*y^2*z^3 + 34*y^3*z^3 - 81*z^4 + 47*y*z^4 + 21*y^2*z^4 + 81*z^5 - 32*y*z^5 - 27*z^6)/(2*y^2*z^2*(-1 + y + z)^2))* G[1 - y, 1, 0, z] + (((-6*I)*Pi*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(y^2*z^2) - ((y - z)*(27*y^4 - 54*y^5 + 27*y^6 + 47*y^3*z - 81*y^4*z + 34*y^5*z + 39*y^2*z^2 + 29*y^3*z^2 - 107*y^4*z^2 + 47*y*z^3 + 29*y^2*z^3 - 228*y^3*z^3 + 27*z^4 - 81*y*z^4 - 107*y^2*z^4 - 54*z^5 + 34*y*z^5 + 27*z^6))/(2*y^2*z^2*(-1 + y + z)* (y + z)^2))*G[1 - y, 1 - y, 0, z] - ((-9*y^2 + 9*y^3 + y*z + 22*y^2*z - 54*z^2 + 53*y*z^2 + 54*z^3)* G[1 - y, 1 - y, 1 - y, z])/(2*y*z^2) - ((3*y - 6*y^2 + 6*y^3 - 12*y^4 + 6*y^5 + 3*z - 14*y*z + 2*y^2*z + 4*y^3*z + 6*y^4*z - 6*z^2 + 48*y*z^2 - 56*y^2*z^2 + 30*y^3*z^2 - 72*y*z^3 + 66*y^2*z^3 + 36*y*z^4)*G[1 - y, -y, 1 - y, z])/ (2*y^2*z^2*(-1 + y + z)) + (((6*I)*Pi*(-1 + y + z)*(y + 3*z))/y^2 - (18*y^4 - 24*y^5 + 6*y^6 - 2*y^2*z + 32*y^3*z - 50*y^4*z + 20*y^5*z + 15*y*z^2 - 49*y^2*z^2 + 42*y^3*z^2 + 8*y^4*z^2 + 27*z^3 - 144*y*z^3 + 225*y^2*z^3 - 96*y^3*z^3 - 81*z^4 + 238*y*z^4 - 175*y^2*z^4 + 81*z^5 - 112*y*z^5 - 27*z^6)/ (2*y^2*z^2*(-1 + y + z)^2))*G[-y, 0, 1 - y, z] + (((-6*I)*Pi*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(y^2*z^2) - ((y - z)*(-54*y^4 + 120*y^5 - 90*y^6 + 24*y^7 - 84*y^3*z + 252*y^4*z - 243*y^5*z + 78*y^6*z - 56*y^2*z^2 + 144*y^3*z^2 - 146*y^4*z^2 + 52*y^5*z^2 - 84*y*z^3 + 144*y^2*z^3 + 14*y^3*z^3 - 66*y^4*z^3 - 54*z^4 + 252*y*z^4 - 146*y^2*z^4 - 66*y^3*z^4 + 120*z^5 - 243*y*z^5 + 52*y^2*z^5 - 90*z^6 + 78*y*z^6 + 24*z^7))/(2*y^2*z^2* (-1 + y + z)^2*(y + z)^2))*G[-y, 1 - y, 0, z] + (((-6*I)*Pi*(-1 + y + z)*(y + 3*z))/y^2 + (-3*y^3 + 7*y^2*z - 12*y^3*z + 6*y^4*z - 33*y*z^2 + 72*y^2*z^2 - 38*y^3*z^2 - 27*z^3 + 132*y*z^3 - 118*y^2*z^3 + 48*z^4 - 98*y*z^4 - 24*z^5)/(2*y^2*z^2*(-1 + y + z)))* G[-y, 1 - y, 1 - y, z] + (((-6*I)*Pi*(-1 + y + z)*(y + 3*z))/y^2 + (-6*y^3 + 6*y^4 + 8*y^2*z + 2*y^3*z - 21*y*z^2 - y^2*z^2 + 27*z^3 - 24*y*z^3 - 27*z^4)/(2*y^2*z^2))*G[-y, -y, 1 - y, z] - (9*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[0, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (9*z*(-3 + 2*y + 3*z)*G[0, 0, 1 - y, 0, z])/y^2 + (3*(-3*y + 9*y^2 - 7*y^3 + y^4 - 9*z + 36*y*z - 45*y^2*z + 22*y^3*z + 27*z^2 - 63*y*z^2 + 36*y^2*z^2 - 27*z^3 + 30*y*z^3 + 9*z^4)*G[0, 0, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (3*(-1 + y + z)*(y + 3*z)*G[0, 0, -y, 1 - y, z])/y^2 - (6*z*(-3 + 2*y + 3*z)*G[0, 1, 0, 0, z])/y^2 + (6*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[0, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (6*z*(-3 + 2*y + 3*z)*G[0, 1, 1, 0, z])/y^2 + (6*z*(-3 + 2*y + 3*z)*G[0, 1, 1 - y, 0, z])/y^2 + (12*z*(-3 + 2*y + 3*z)*G[0, 1 - y, 0, 0, z])/y^2 - (3*(2*y - 6*y^2 + 3*y^3 + y^4 + 6*z - 24*y*z + 30*y^2*z - 18*y^3*z - 18*z^2 + 42*y*z^2 - 24*y^2*z^2 + 18*z^3 - 20*y*z^3 - 6*z^4)* G[0, 1 - y, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (6*z*(-3 + 2*y + 3*z)*G[0, 1 - y, 1, 0, z])/y^2 - (3*(-3*y^3 + 3*y^4 + 2*y^3*z - 9*z^3 + 6*y*z^3 + 9*z^4)* G[0, 1 - y, 1 - y, 0, z])/(y^2*z^2) - (9*(-1 + y + z)*(y + 3*z)*G[0, 1 - y, 1 - y, 1 - y, z])/y^2 - (6*(-1 + y + z)*(y + 3*z)*G[0, 1 - y, -y, 1 - y, z])/y^2 - (3*y*(-1 + y - 2*z)*G[0, -y, 0, 1 - y, z])/(-1 + y + z)^2 - (3*(-3*y^3 + 3*y^4 + 2*y^3*z - 15*z^3 + 10*y*z^3 + 15*z^4)* G[0, -y, 1 - y, 0, z])/(y^2*z^2) - (3*(-1 + y + z)*(y + 3*z)* G[0, -y, 1 - y, 1 - y, z])/y^2 + (6*(-1 + y + z)*(y + 3*z)* G[0, -y, -y, 1 - y, z])/y^2 - (9*z*(-3 + 2*y + 3*z)* G[1, 0, 0, 0, z])/y^2 - (3*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, 0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (6*z*(-3 + 2*y + 3*z)*G[1, 0, 1, 0, z])/ y^2 + (12*z*(-3 + 2*y + 3*z)*G[1, 0, 1 - y, 0, z])/y^2 + (6*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, 0, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (6*z*(-3 + 2*y + 3*z)*G[1, 1, 0, 0, z])/y^2 - (12*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (3*z*(-3 + 2*y + 3*z)*G[1, 1, 1, 0, z])/y^2 + (3*z*(-3 + 2*y + 3*z)*G[1, 1, 1 - y, 0, z])/y^2 + (12*z*(-3 + 2*y + 3*z)*G[1, 1 - y, 0, 0, z])/y^2 + (6*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, 1 - y, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (6*z*(-3 + 2*y + 3*z)*G[1, 1 - y, 1, 0, z])/y^2 - (12*z*(-3 + 2*y + 3*z)*G[1, 1 - y, 1 - y, 0, z])/y^2 + (9*z*(-3 + 2*y + 3*z)*G[1 - y, 0, 0, 0, z])/y^2 + (3*(-3*y + 9*y^2 - 10*y^3 + 4*y^4 - 9*z + 36*y*z - 45*y^2*z + 16*y^3*z + 27*z^2 - 63*y*z^2 + 36*y^2*z^2 - 27*z^3 + 30*y*z^3 + 9*z^4)*G[1 - y, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (6*z*(-3 + 2*y + 3*z)*G[1 - y, 0, 1, 0, z])/y^2 + (3*(-9*y^3 + 9*y^4 + 6*y^3*z + 6*z^3 - 4*y*z^3 - 6*z^4)* G[1 - y, 0, 1 - y, 0, z])/(y^2*z^2) - (12*(-1 + y + z)*(y + 3*z)*G[1 - y, 0, 1 - y, 1 - y, z])/y^2 - (6*(-1 + y + z)*(y + 3*z)*G[1 - y, 0, -y, 1 - y, z])/y^2 + (3*z*(-3 + 2*y + 3*z)*G[1 - y, 1, 0, 0, z])/y^2 + (3*(-5*y + 15*y^2 - 16*y^3 + 6*y^4 - 15*z + 60*y*z - 75*y^2*z + 28*y^3*z + 45*z^2 - 105*y*z^2 + 60*y^2*z^2 - 45*z^3 + 50*y*z^3 + 15*z^4)*G[1 - y, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (6*z*(-3 + 2*y + 3*z)*G[1 - y, 1, 1, 0, z])/y^2 + (3*y*(-3 + 3*y + 2*z)*G[1 - y, 1, 1 - y, 0, z])/z^2 + (3*(-6*y^3 + 6*y^4 + 4*y^3*z + 9*z^3 - 6*y*z^3 - 9*z^4)* G[1 - y, 1 - y, 0, 0, z])/(y^2*z^2) - (9*(-1 + y + z)*(y + 3*z)*G[1 - y, 1 - y, 0, 1 - y, z])/y^2 - (3*z*(-3 + 2*y + 3*z)*G[1 - y, 1 - y, 1, 0, z])/y^2 - (9*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[1 - y, 1 - y, 1 - y, 0, z])/(y^2*z^2) - (6*(-1 + y + z)*(y + 3*z)*G[1 - y, -y, 0, 1 - y, z])/y^2 + (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[1 - y, -y, 1 - y, 0, z])/(y^2*z^2) + (6*(-1 + y + z)*(y + 3*z)*G[1 - y, -y, 1 - y, 1 - y, z])/y^2 + (6*(-1 + y + z)*(y + 3*z)*G[1 - y, -y, -y, 1 - y, z])/y^2 + (12*(-1 + y + z)*(y + 3*z)*G[-y, 0, 0, 1 - y, z])/y^2 + (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 0, 1 - y, 0, z])/(y^2*z^2) - (12*(-1 + y + z)*(y + 3*z)*G[-y, 0, 1 - y, 1 - y, z])/y^2 - (6*(-1 + y + z)*(y + 3*z)*G[-y, 0, -y, 1 - y, z])/y^2 + (6*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 1 - y, 0, 0, z])/(y^2*z^2) - (12*(-1 + y + z)*(y + 3*z)*G[-y, 1 - y, 0, 1 - y, z])/y^2 - (3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, 1 - y, 1 - y, 0, z])/(y^2*z^2) + (9*(-1 + y + z)*(y + 3*z)*G[-y, 1 - y, 1 - y, 1 - y, z])/y^2 + (6*(-1 + y + z)*(y + 3*z)*G[-y, 1 - y, -y, 1 - y, z])/y^2 - (3*(-1 + y + z)*(y + 3*z)*G[-y, -y, 0, 1 - y, z])/y^2 - (12*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3)*G[-y, -y, 1 - y, 0, z])/(y^2*z^2) + (6*(-1 + y + z)*(y + 3*z)*G[-y, -y, 1 - y, 1 - y, z])/y^2 - (3*(-1 + y + z)*(y + 3*z)*G[-y, -y, -y, 1 - y, z])/y^2 + (((18*I)*Pi*y*(-1 + y - 2*z))/(-1 + y + z)^2 + (108*y^2 - 432*y^3 + 648*y^4 - 432*y^5 + 108*y^6 + 26*y*z - 839*y^2*z + 2133*y^3*z - 2285*y^4*z + 1181*y^5*z - 216*y^6*z - 162*z^2 + 687*y*z^2 + 382*y^2*z^2 - 2366*y^3*z^2 + 2610*y^4*z^2 - 1129*y^5*z^2 + 122*y^6*z^2 + 648*z^3 - 2541*y*z^3 + 2527*y^2*z^3 - 415*y^3*z^3 - 859*y^4*z^3 + 352*y^5*z^3 - 972*z^4 + 3241*y*z^4 - 3546*y^2*z^4 + 1521*y^3*z^4 - 100*y^4*z^4 + 648*z^5 - 1737*y*z^5 + 1530*y^2*z^5 - 441*y^3*z^5 - 162*z^6 + 324*y*z^6 - 162*y^2*z^6)/ (2*(-1 + y)^2*y*(-1 + z)^2*z*(-1 + y + z)^2))*Zeta[3] + G[1, z]*(((-I)*Pi^3*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)^2) + (Pi^2*(12*y - 42*y^2 + 21*y^3 + 15*y^4 - 6*y^5 + 12*z - 100*y*z + 215*y^2*z - 82*y^3*z - 74*y^4*z + 26*y^5*z - 42*z^2 + 216*y*z^2 - 305*y^2*z^2 + 8*y^3*z^2 + 132*y^4*z^2 - 34*y^5*z^2 + 54*z^3 - 276*y*z^3 + 384*y^2*z^3 - 42*y^3*z^3 - 122*y^4*z^3 + 22*y^5*z^3 - 60*z^4 + 524*y*z^4 - 842*y^2*z^4 + 283*y^3*z^4 + 49*y^4*z^4 + 120*z^5 - 828*y*z^5 + 929*y^2*z^5 - 188*y^3*z^5 - 162*z^6 + 624*y*z^6 - 339*y^2*z^6 + 102*z^7 - 172*y*z^7 - 24*z^8))/(12*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2) - (3*(-7*y + 21*y^2 - 14*y^3 - 27*z + 100*y*z - 119*y^2*z + 60*y^3*z + 81*z^2 - 179*y*z^2 + 98*y^2*z^2 - 81*z^3 + 86*y*z^3 + 27*z^4)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1 - y, z]*(((-I)*Pi*(-1 + 2*y + z)*(-17 + 18*z))/((-1 + z)*z) - ((-1 + 2*y + z)*(9*y - 9*y^2 - 9*z + 162*y*z - 171*y^2*z + 27*z^2 - 392*y*z^2 + 221*y^2*z^2 - 18*z^3 + 221*y*z^3))/ (4*y*(-1 + z)*z^2*(-1 + y + z)) + (I*Pi^3*(-3*y^3 + 3*y^4 + 2*y^3*z - y*z^2 + y^2*z^2 - 3*z^3 + 4*y*z^3 + 3*z^4))/(y^2*z^2) + (Pi^2*(-12*y^3 + 42*y^4 - 69*y^5 + 75*y^6 - 51*y^7 + 15*y^8 - 36*y^2*z + 184*y^3*z - 356*y^4*z + 366*y^5*z - 250*y^6*z + 122*y^7*z - 30*y^8*z - 36*y*z^2 + 284*y^2*z^2 - 756*y^3*z^2 + 950*y^4*z^2 - 573*y^5*z^2 + 207*y^6*z^2 - 91*y^7*z^2 + 15*y^8*z^2 - 12*z^3 + 184*y*z^3 - 777*y^2*z^3 + 1526*y^3*z^3 - 1387*y^4*z^3 + 334*y^5*z^3 + 46*y^6*z^3 + 16*y^7*z^3 + 42*z^4 - 360*y*z^4 + 1351*y^2*z^4 - 2551*y^3*z^4 + 1708*y^4*z^4 - 48*y^5*z^4 - 86*y^6*z^4 - 54*z^5 + 540*y*z^5 - 2400*y^2*z^5 + 3700*y^3*z^5 - 1517*y^4*z^5 - 14*y^5*z^5 + 60*z^6 - 980*y*z^6 + 3360*y^2*z^6 - 3091*y^3*z^6 + 560*y^4*z^6 - 120*z^7 + 1296*y*z^7 - 2491*y^2*z^7 + 1000*y^3*z^7 + 162*z^8 - 864*y*z^8 + 709*y^2*z^8 - 102*z^9 + 220*y*z^9 + 24*z^10))/ (12*y^2*(-1 + z)^2*z^2*(-1 + y + z)^2*(y + z)^2) - (3*(-18*y^3 + 54*y^4 - 54*y^5 + 18*y^6 + 48*y^3*z - 96*y^4*z + 48*y^5*z + 7*y*z^2 - 21*y^2*z^2 - 18*y^3*z^2 + 32*y^4*z^2 + 27*z^3 - 100*y*z^3 + 119*y^2*z^3 - 28*y^3*z^3 - 81*z^4 + 179*y*z^4 - 98*y^2*z^4 + 81*z^5 - 86*y*z^5 - 27*z^6)*Zeta[3])/ (y^2*z^2*(-1 + y + z)^2))) + G[1, y]*((((4*I)/9)*Pi*(y - z)*(-17 + 6*y + 6*z))/(y + z)^2 + (34*(y - z)*(-11 + 6*y + 6*z))/(27*(y + z)^2) - (Pi^4*(-51*y + 153*y^2 - 129*y^3 + 27*y^4 - 246*z + 860*y*z - 917*y^2*z + 546*y^3*z + 738*z^2 - 1567*y*z^2 + 764*y^2*z^2 - 738*z^3 + 758*y*z^3 + 246*z^4))/(120*y^2*(-1 + y + z)^2) + (Pi^2*(-72*y^3 - 414*y^4 + 2340*y^5 - 3798*y^6 + 2574*y^7 - 612*y^8 - 18*y^9 - 198*y^2*z + 434*y^3*z + 3124*y^4*z - 11046*y^5*z + 13510*y^6*z - 7828*y^7*z + 2472*y^8*z - 468*y^9*z - 180*y*z^2 + 2590*y^2*z^2 - 6426*y^3*z^2 + 1867*y^4*z^2 + 9746*y^5*z^2 - 12888*y^6*z^2 + 7208*y^7*z^2 - 2205*y^8*z^2 + 288*y^9*z^2 - 54*z^3 + 2235*y*z^3 - 14779*y^2*z^3 + 34796*y^3*z^3 - 39465*y^4*z^3 + 23178*y^5*z^3 - 6432*y^6*z^3 + 176*y^7*z^3 + 345*y^8*z^3 + 483*z^4 - 9138*y*z^4 + 41358*y^2*z^4 - 83036*y^3*z^4 + 88227*y^4*z^4 - 51030*y^5*z^4 + 15068*y^6*z^4 - 1734*y^7*z^4 - 1569*z^5 + 18192*y*z^5 - 62338*y^2*z^5 + 100674*y^3*z^5 - 83331*y^4*z^5 + 33832*y^5*z^5 - 5460*y^6*z^5 + 2535*z^6 - 19788*y*z^6 + 52114*y^2*z^6 - 63206*y^3*z^6 + 35167*y^4*z^6 - 7218*y^5*z^6 - 2211*z^7 + 11829*y*z^7 - 23091*y^2*z^7 + 18648*y^3*z^7 - 5175*y^4*z^7 + 1002*z^8 - 3522*y*z^8 + 4530*y^2*z^8 - 1812*y^3*z^8 - 186*z^9 + 372*y*z^9 - 186*y^2*z^9))/(72*(-1 + y)^2*y^2*(-1 + z)^2*z* (-1 + y + z)^2*(y + z)^2) - ((I/6)*Pi^3*(18*y^4 - 72*y^5 + 108*y^6 - 72*y^7 + 18*y^8 + 23*y^3*z - 169*y^4*z + 387*y^5*z - 377*y^6*z + 154*y^7*z - 18*y^8*z - 14*y^2*z^2 - 22*y^3*z^2 + 260*y^4*z^2 - 446*y^5*z^2 + 247*y^6*z^2 - 27*y^8*z^2 + 2*y^9*z^2 - 20*y*z^3 + 180*y^2*z^3 - 441*y^3*z^3 + 525*y^4*z^3 - 466*y^5*z^3 + 373*y^6*z^3 - 178*y^7*z^3 + 27*y^8*z^3 - 3*z^4 + 120*y*z^4 - 674*y^2*z^4 + 1508*y^3*z^4 - 1780*y^4*z^4 + 1240*y^5*z^4 - 505*y^6*z^4 + 92*y^7*z^4 + 15*z^5 - 286*y*z^5 + 1156*y^2*z^5 - 2017*y^3*z^5 + 1775*y^4*z^5 - 797*y^5*z^5 + 154*y^6*z^5 - 30*z^6 + 344*y*z^6 - 1017*y^2*z^6 + 1278*y^3*z^6 - 727*y^4*z^6 + 156*y^5*z^6 + 30*z^7 - 216*y*z^7 + 449*y^2*z^7 - 361*y^3*z^7 + 98*y^4*z^7 - 15*z^8 + 64*y*z^8 - 83*y^2*z^8 + 32*y^3*z^8 + 3*z^9 - 6*y*z^9 + 3*y^2*z^9))/((-1 + y)^2*y^2* (-1 + z)^2*z*(-1 + y + z)^2*(y + z)^2) + (-1/2*(Pi^2*z*(6 - 16*y + 17*y^2 + 2*y^3 - 18*z + 32*y*z - 17*y^2* z + 18*z^2 - 16*y*z^2 - 6*z^3))/(y^2*(-1 + y + z)^2) - (I*Pi*(6*y - 12*y^2 + 6*y^3 - 3*z - 7*y*z - 8*y^2*z + 6*z^2 + y*z^2 - 3*z^3))/(y^2*(-1 + y + z)) - (-3 - 40*y + 134*y^2 - 133*y^3 + 42*y^4 + 40*z + 32*y*z - 73*y^2*z + y^3*z - 59*z^2 + 30*y*z^2 + 33*y^2*z^2 + 22*z^3 - 22*y*z^3)/(2*(-1 + y)*y^2*(-1 + y + z)))*G[0, 0, z] - (Pi^2*(-1 + 2*y + z)*(-1 + 2*z)*G[0, 1, z])/(y*(-1 + y + z)) + (((-I)*Pi*(-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3))/(y^2*z) - (12*y + 75*y^2 - 183*y^3 + 96*y^4 + 12*z - 12*y*z - 131*y^2*z + 131*y^3*z + 7*z^2 - 102*y*z^2 + 99*y^2*z^2 - 22*z^3 + 22*y*z^3)/(2*(-1 + y)*y^2*z) + (Pi^2*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 12*y^3*z - 21*y^4*z + 10*y^5*z - y*z^2 + 6*y^2*z^2 - 18*y^3*z^2 + 13*y^4*z^2 + 3*z^3 - 4*y*z^3 - 6*y^2*z^3 + 4*y^3*z^3 - 9*z^4 + 11*y*z^4 + y^2*z^4 + 9*z^5 - 6*y*z^5 - 3*z^6))/ (2*y^2*z^2*(-1 + y + z)^2))*G[0, 1 - y, z] + ((I*Pi*(-y^2 + 22*y^3 - 41*y^4 + 20*y^5 - 24*y*z + 73*y^2*z - 113*y^3*z + 104*y^4*z - 40*y^5*z + 3*z^2 + 80*y*z^2 - 215*y^2*z^2 + 192*y^3*z^2 - 80*y^4*z^2 + 18*y^5*z^2 - 9*z^3 - 82*y*z^3 + 213*y^2*z^3 - 139*y^3*z^3 + 21*y^4*z^3 + 9*z^4 + 20*y*z^4 - 67*y^2*z^4 + 36*y^3*z^4 - 3*z^5 + 6*y*z^5 - 3*y^2*z^5))/((-1 + y)^2*y^2*(-1 + z)^2*z) - (Pi^2*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 + 8*y^3*z - 16*y^4*z + 8*y^5*z - y*z^2 + 3*y^2*z^2 - 9*y^3*z^2 + 7*y^4*z^2 - 18*z^3 + 52*y*z^3 - 49*y^2*z^3 + 22*y^3*z^3 + 54*z^4 - 101*y*z^4 + 46*y^2*z^4 - 54*z^5 + 50*y*z^5 + 18*z^6))/(2*y^2*z^2* (-1 + y + z)^2) + (-12*y + 54*y^2 - 336*y^3 + 810*y^4 - 768*y^5 + 252*y^6 + 295*y*z - 1304*y^2*z + 3061*y^3*z - 4066*y^4*z + 2690*y^5*z - 676*y^6*z - 53*z^2 - 1040*y*z^2 + 4527*y^2*z^2 - 7408*y^3*z^2 + 6117*y^4*z^2 - 2501*y^5*z^2 + 358*y^6*z^2 + 212*z^3 + 1370*y*z^3 - 6102*y^2*z^3 + 7521*y^3*z^3 - 3778*y^4*z^3 + 711*y^5*z^3 - 318*z^4 - 634*y*z^4 + 3516*y^2*z^4 - 3283*y^3*z^4 + 851*y^4*z^4 + 212*z^5 - 85*y*z^5 - 638*y^2*z^5 + 445*y^3*z^5 - 53*z^6 + 106*y*z^6 - 53*y^2*z^6)/(4*(-1 + y)^2*y^2*(-1 + z)^2*z* (-1 + y + z)))*G[0, -y, z] + ((I*Pi*(-2*y + 2*y^2 + 3*z - 7*y*z + 24*y^2*z - 6*z^2 + 9*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) + (Pi^2*z*(-6 + 16*y - 13*y^2 + 6*y^3 + 18*z - 32*y*z + 13*y^2*z - 18*z^2 + 16*y*z^2 + 6*z^3))/ (y^2*(-1 + y + z)^2) + (3*y - 3*y^2 - 3*z - 6*y*z - y^2*z + 8*y^3*z - 4*y^4*z - 3*z^2 + 96*y*z^2 - 129*y^2*z^2 + 32*y^3*z^2 + 4*y^4*z^2 - 20*z^3 - 28*y*z^3 - 222*y^2*z^3 + 254*y^3*z^3 + 114*z^4 - 223*y*z^4 + 355*y^2*z^4 - 141*z^5 + 158*y*z^5 + 53*z^6)/(4*y^2*z^2*(-1 + y + z)^2))*G[1, 0, z] + (Pi^2*(-4*y + 12*y^2 - 8*y^3 - 15*z + 56*y*z - 68*y^2*z + 32*y^3*z + 45*z^2 - 100*y*z^2 + 56*y^2*z^2 - 45*z^3 + 48*y*z^3 + 15*z^4)* G[1, 1, z])/(2*y^2*(-1 + y + z)^2) - (Pi^2*(3*y - 6*y^2 + 21*z - 44*y*z + 26*y^2*z - 42*z^2 + 41*y*z^2 + 21*z^3)*G[1, 1 - y, z])/(2*y^2*(-1 + y + z)) + (((-I)*Pi*(-18*y^2 + 18*y^3 - y*z + 19*y^2*z - 3*z^2 + 10*y*z^2 + 3*z^3))/(y^2*z) - (12*y + 75*y^2 - 183*y^3 + 96*y^4 + 12*z - 12*y*z - 131*y^2*z + 131*y^3*z + 7*z^2 - 102*y*z^2 + 99*y^2*z^2 - 22*z^3 + 22*y*z^3)/(2*(-1 + y)*y^2*z) - (Pi^2*(-6*y^3 + 18*y^4 - 18*y^5 + 6*y^6 - 2*y^2*z + 24*y^3*z - 42*y^4*z + 20*y^5*z + 6*y^2*z^2 - 30*y^3*z^2 + 24*y^4*z^2 - 6*z^3 + 16*y*z^3 - 21*y^2*z^3 + 14*y^3*z^3 + 18*z^4 - 32*y*z^4 + 17*y^2*z^4 - 18*z^5 + 16*y*z^5 + 6*z^6))/ (2*y^2*z^2*(-1 + y + z)^2))*G[1 - y, 0, z] + (Pi^2*(3*y^3 - 6*y^4 + 3*y^5 - 5*y^3*z + 5*y^4*z - 5*y*z^2 + 10*y^2*z^2 - 4*y^3*z^2 - 15*z^3 + 40*y*z^3 - 24*y^2*z^3 + 30*z^4 - 35*y*z^4 - 15*z^5)*G[1 - y, 1, z])/ (2*y^2*z^2*(-1 + y + z)) + ((-7*(y - z)*(-27*y^2 + 27*y^3 - 50*y*z + 81*y^2*z - 27*z^2 + 81*y*z^2 + 27*z^3))/(6*y*z*(y + z)^2) - (Pi^2*(-15*y^3 + 15*y^4 - 3*y^2*z + 16*y^3*z + 4*y*z^2 - y^2*z^2 + 21*z^3 - 22*y*z^3 - 21*z^4))/(2*y^2*z^2))*G[1 - y, 1 - y, z] + ((Pi^2*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(y^2*z^2) - (I*Pi*(y - z)*(15 - 26*y + 7*y^2 + 4*y^3 - 26*z + 45*y*z - 11*y^2*z - 8*y^3*z + 7*z^2 - 11*y*z^2 - 4*y^2*z^2 + 6*y^3*z^2 + 4*z^3 - 8*y*z^3 + 6*y^2*z^3))/ ((-1 + y)^2*y*(-1 + z)^2*z) + ((y - z)*(3*y - 24*y^2 + 75*y^3 - 120*y^4 + 105*y^5 - 48*y^6 + 9*y^7 + 3*z + 177*y^2*z - 498*y^3*z + 399*y^4*z - 48*y^5*z - 15*y^6*z - 18*y^7*z - 24*z^2 + 177*y*z^2 - 660*y^2*z^2 + 862*y^3*z^2 - 300*y^4*z^2 - 78*y^5*z^2 + 14*y^6*z^2 + 9*y^7*z^2 + 75*z^3 - 498*y*z^3 + 862*y^2*z^3 - 552*y^3*z^3 + 19*y^4*z^3 + 111*y^5*z^3 - 17*y^6*z^3 - 120*z^4 + 399*y*z^4 - 300*y^2*z^4 + 19*y^3*z^4 + 158*y^4*z^4 - 90*y^5*z^4 + 105*z^5 - 48*y*z^5 - 78*y^2*z^5 + 111*y^3*z^5 - 90*y^4*z^5 - 48*z^6 - 15*y*z^6 + 14*y^2*z^6 - 17*y^3*z^6 + 9*z^7 - 18*y*z^7 + 9*y^2*z^7))/(4*(-1 + y)^2*y^2* (-1 + z)^2*z^2*(-1 + y + z)*(y + z)))*G[1 - y, -y, z] + (((-I)*Pi*(-18*y^2 + 18*y^3 + 5*y*z + 15*y^2*z - 3*z^2 + 3*z^3))/ (y^2*z) + (Pi^2*(-6*y^3 + 6*y^4 - y^2*z + 6*y^3*z + y^2*z^2 + 3*z^3 - 2*y*z^3 - 3*z^4))/(2*y^2*z^2) - (6*y^2 - 33*y^3 + 45*y^4 - 18*y^5 + 12*y*z - 245*y^2*z + 672*y^3*z - 627*y^4*z + 194*y^5*z + 6*z^2 - 4*y*z^2 + 579*y^2*z^2 - 1168*y^3*z^2 + 587*y^4*z^2 - 86*z^3 + 156*y*z^3 - 700*y^2*z^3 + 646*y^3*z^3 + 204*z^4 - 318*y*z^4 + 360*y^2*z^4 - 177*z^5 + 160*y*z^5 + 53*z^6)/(4*y^2*z^2*(-1 + y + z)^2))* G[-y, 0, z] + (-1/2*(Pi^2*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3* z^2))/(y^2*z^2) - (I*Pi*(y - z)*(-3*y^2 + 3*y^3 + 14*y*z - 5*y^2*z - 3*z^2 - 5*y*z^2 + 3*z^3))/(y^2*z^2) - ((y - z)*(-12*y^2 + 5*y^3 + 29*y^4 - 22*y^5 - 48*y*z + 133*y^2*z - 56*y^3*z - 51*y^4*z + 22*y^5*z - 12*z^2 + 133*y*z^2 - 194*y^2*z^2 + 51*y^3*z^2 + 26*y^4*z^2 + 5*z^3 - 56*y*z^3 + 51*y^2*z^3 + 8*y^3*z^3 + 29*z^4 - 51*y*z^4 + 26*y^2*z^4 - 22*z^5 + 22*y*z^5))/(2*(-1 + y)*y^2*(-1 + z)*z^2*(y + z)))* G[-y, 1 - y, z] + (((-I)*Pi*(y - z)*(-3*y^2 + 3*y^3 + 20*y*z - 13*y^2*z - 3*z^2 - 13*y*z^2 + 3*z^3))/(y^2*z^2) - (Pi^2*(y - z)*(-15*y^2 + 15*y^3 - 16*y*z + 27*y^2*z - 15*z^2 + 27*y*z^2 + 15*z^3))/(2*y^2*z^2) - ((y - z)*(-53*y^2 + 218*y^3 - 339*y^4 + 236*y^5 - 62*y^6 + 188*y*z - 450*y^2*z + 172*y^3*z + 322*y^4*z - 294*y^5*z + 62*y^6*z - 53*z^2 - 450*y*z^2 + 1316*y^2*z^2 - 1014*y^3*z^2 + 139*y^4*z^2 + 62*y^5*z^2 + 218*z^3 + 172*y*z^3 - 1014*y^2*z^3 + 742*y^3*z^3 - 118*y^4*z^3 - 339*z^4 + 322*y*z^4 + 139*y^2*z^4 - 118*y^3*z^4 + 236*z^5 - 294*y*z^5 + 62*y^2*z^5 - 62*z^6 + 62*y*z^6))/(4*(-1 + y)*y^2*(-1 + z)*z^2*(-1 + y + z)^2))* G[-y, -y, z] + ((14*y - 28*y^2 + 14*y^3 - 9*z - 9*y*z - 36*y^2*z + 18*z^2 - 5*y*z^2 - 9*z^3)*G[0, 0, 0, z])/(2*y^2*(-1 + y + z)) + (3*(-1 + y + 2*z)*(-6*y + 6*y^2 - z + y*z + z^2)*G[0, 0, 1 - y, z])/ (y*z*(-1 + y + z)) + (((6*I)*Pi*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) - (y^2 + 30*y^3 - 130*y^4 + 200*y^5 - 135*y^6 + 34*y^7 + 53*y*z - 282*y^2*z + 351*y^3*z + 177*y^4*z - 612*y^5*z + 381*y^6*z - 68*y^7*z + 36*z^2 - 458*y*z^2 + 1779*y^2*z^2 - 2526*y^3*z^2 + 1073*y^4*z^2 + 426*y^5*z^2 - 366*y^6*z^2 + 36*y^7*z^2 - 162*z^3 + 1346*y*z^3 - 4057*y^2*z^3 + 5164*y^3*z^3 - 2605*y^4*z^3 + 198*y^5*z^3 + 116*y^6*z^3 + 300*z^4 - 1880*y*z^4 + 4348*y^2*z^4 - 4490*y^3*z^4 + 1928*y^4*z^4 - 210*y^5*z^4 - 288*z^5 + 1349*y*z^5 - 2267*y^2*z^5 + 1657*y^3*z^5 - 443*y^4*z^5 + 144*z^6 - 470*y*z^6 + 508*y^2*z^6 - 186*y^3*z^6 - 30*z^7 + 60*y*z^7 - 30*y^2*z^7)/(2*(-1 + y)^2*y^2* (-1 + z)^2*z*(-1 + y + z)^2))*G[0, 0, -y, z] - ((3 - 10*y + 10*y^2 - 9*z + 26*y*z - 20*y^2*z + 4*y^3*z + 4*y*z^2 - 58*y^2*z^2 + 48*y^3*z^2 + 18*z^3 - 44*y*z^3 + 66*y^2*z^3 - 18*z^4 + 24*y*z^4 + 6*z^5)*G[0, 1, 0, z])/ (2*y^2*z*(-1 + y + z)^2) + (3*(-1 + y + 2*z)*(-6*y + 6*y^2 - z + y*z + z^2)*G[0, 1 - y, 0, z])/(y*z*(-1 + y + z)) + ((-54*y^2 + 54*y^3 + y*z + 53*y^2*z - 9*z^2 + 22*y*z^2 + 9*z^3)* G[0, 1 - y, 1 - y, z])/(2*y^2*z) + (((-6*I)*Pi*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) + (3 - 16*y + 72*y^2 - 190*y^3 + 255*y^4 - 168*y^5 + 46*y^6 - 2*y^7 - 15*z + 149*y*z - 713*y^2*z + 1487*y^3*z - 1452*y^4*z + 644*y^5*z - 104*y^6*z + 4*y^7*z + 48*z^2 - 626*y*z^2 + 2599*y^2*z^2 - 4414*y^3*z^2 + 3351*y^4*z^2 - 1012*y^5*z^2 + 52*y^6*z^2 + 2*y^7*z^2 - 102*z^3 + 1342*y*z^3 - 4565*y^2*z^3 + 6310*y^3*z^3 - 3775*y^4*z^3 + 792*y^5*z^3 - 2*y^6*z^3 + 135*z^4 - 1544*y*z^4 + 4179*y^2*z^4 - 4542*y^3*z^4 + 2020*y^4*z^4 - 252*y^5*z^4 - 111*z^5 + 941*y*z^5 - 1938*y^2*z^5 + 1515*y^3*z^5 - 399*y^4*z^5 + 54*z^6 - 270*y*z^6 + 378*y^2*z^6 - 166*y^3*z^6 - 12*z^7 + 24*y*z^7 - 12*y^2*z^7)/(2*(-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)^2))* G[0, 1 - y, -y, z] + ((-52*y^2 + 154*y^3 - 157*y^4 + 52*y^5 + 11*y*z + 127*y^2*z - 287*y^3*z + 148*y^4*z - 9*z^2 + 2*y*z^2 - 137*y^2*z^2 + 146*y^3*z^2 + 27*z^3 - 32*y*z^3 + 63*y^2*z^3 - 27*z^4 + 22*y*z^4 + 9*z^5)*G[0, -y, 0, z])/ (2*y^2*z*(-1 + y + z)^2) + (((-6*I)*Pi*(-1 + y + z)*(y + 3*z))/ y^2 - (-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - 35*y^2*z + 154*y^3*z - 209*y^4*z + 96*y^5*z - 6*y^6*z - 75*y*z^2 + 342*y^2*z^2 - 616*y^3*z^2 + 511*y^4*z^2 - 165*y^5*z^2 + 3*y^6*z^2 - 27*z^3 + 362*y*z^3 - 920*y^2*z^3 + 928*y^3*z^3 - 421*y^4*z^3 + 74*y^5*z^3 + 81*z^4 - 553*y*z^4 + 983*y^2*z^4 - 621*y^3*z^4 + 118*y^4*z^4 - 81*z^5 + 320*y*z^5 - 397*y^2*z^5 + 154*y^3*z^5 + 27*z^6 - 54*y*z^6 + 27*y^2*z^6)/(2*(-1 + y)^2*y^2*(-1 + z)^2* z^2))*G[0, -y, 1 - y, z] + (((-6*I)*Pi*(-1 + y + z)*(y + 3*z))/ y^2 - (-3*y^3 + 15*y^4 - 30*y^5 + 30*y^6 - 15*y^7 + 3*y^8 - 49*y^2*z + 282*y^3*z - 639*y^4*z + 724*y^5*z - 420*y^6*z + 108*y^7*z - 6*y^8*z - 20*y*z^2 + 371*y^2*z^2 - 1511*y^3*z^2 + 2664*y^4*z^2 - 2344*y^5*z^2 + 1008*y^6*z^2 - 171*y^7*z^2 + 3*y^8*z^2 - 36*z^3 + 324*y*z^3 - 1581*y^2*z^3 + 3832*y^3*z^3 - 4752*y^4*z^3 + 3004*y^5*z^3 - 867*y^6*z^3 + 76*y^7*z^3 + 180*z^4 - 1163*y*z^4 + 3414*y^2*z^4 - 5284*y^3*z^4 + 4336*y^4*z^4 - 1736*y^5*z^4 + 253*y^6*z^4 - 360*z^5 + 1820*y*z^5 - 3772*y^2*z^5 + 3892*y^3*z^5 - 1962*y^4*z^5 + 380*y^5*z^5 + 360*z^6 - 1419*y*z^6 + 2101*y^2*z^6 - 1376*y^3*z^6 + 338*y^4*z^6 - 180*z^7 + 530*y*z^7 - 520*y^2*z^7 + 168*y^3*z^7 + 36*z^8 - 72*y*z^8 + 36*y^2*z^8)/(2*(-1 + y)^2*y^2* (-1 + z)^2*z^2*(-1 + y + z)^2))*G[0, -y, -y, z] + (((6*I)*Pi*(1 + 2*y - z)*z)/(-1 + y + z)^2 - (-3 + 10*y - 10*y^2 + 9*z - 20*y*z + 26*y^2*z - 16*y^3*z - 9*z^2 + 16*y*z^2 - 78*y^2*z^2 + 32*y^3*z^2 + 3*z^3 - 12*y*z^3 + 62*y^2*z^3 + 6*y*z^4)/(2*y^2*z*(-1 + y + z)^2))*G[1, 0, 0, z] + ((-12*y + 6*y^2 + 27*y^3 - 18*y^4 - 12*z + 52*y*z + y^2*z - 60*y^3*z + 18*y^4*z + 30*z^2 - 52*y*z^2 - 34*y^2*z^2 + 33*y^3*z^2 - 24*z^3 + 18*y*z^3 - 25*y^2*z^3 + 6*z^4 - 6*y*z^4)* G[1, 0, 1 - y, z])/(2*y^2*z^2*(-1 + y + z)) + (((6*I)*Pi*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) - (21*y - 51*y^2 + 21*y^3 + 15*y^4 - 6*y^5 + 24*z - 184*y*z + 278*y^2*z - 58*y^3*z - 86*y^4*z + 26*y^5*z - 108*z^2 + 485*y*z^2 - 461*y^2*z^2 - 66*y^3*z^2 + 168*y^4*z^2 - 34*y^5*z^2 + 198*z^3 - 642*y*z^3 + 495*y^2*z^3 + 98*y^3*z^3 - 158*y^4*z^3 + 22*y^5*z^3 - 210*z^4 + 663*y*z^4 - 734*y^2*z^4 + 129*y^3*z^4 + 61*y^4*z^4 + 180*z^5 - 668*y*z^5 + 743*y^2*z^5 - 124*y^3*z^5 - 144*z^6 + 447*y*z^6 - 270*y^2*z^6 + 78*z^7 - 122*y*z^7 - 18*z^8)/(2*y^2*(-1 + z)^2*z^2* (-1 + y + z)^2))*G[1, 0, -y, z] + (((6*I)*Pi*(1 + 2*y - z)*z)/(-1 + y + z)^2 + (4*y - 26*y^2 + 22*y^3 - 6*z + 14*y*z - 3*y^2*z + 40*y^3*z + 18*z^2 - 40*y*z^2 + 29*y^2*z^2 - 18*z^3 + 22*y*z^3 + 6*z^4)/ (2*y^2*(-1 + y + z)^2))*G[1, 1, 0, z] + ((-12*y + 6*y^2 + 27*y^3 - 18*y^4 - 12*z + 52*y*z + y^2*z - 60*y^3*z + 18*y^4*z + 30*z^2 - 52*y*z^2 - 34*y^2*z^2 + 33*y^3*z^2 - 24*z^3 + 18*y*z^3 - 25*y^2*z^3 + 6*z^4 - 6*y*z^4)* G[1, 1 - y, 0, z])/(2*y^2*z^2*(-1 + y + z)) + (((6*I)*Pi*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)) - (21*y - 51*y^2 + 21*y^3 + 15*y^4 - 6*y^5 + 24*z - 184*y*z + 278*y^2*z - 58*y^3*z - 86*y^4*z + 26*y^5*z - 108*z^2 + 485*y*z^2 - 461*y^2*z^2 - 66*y^3*z^2 + 168*y^4*z^2 - 34*y^5*z^2 + 198*z^3 - 642*y*z^3 + 495*y^2*z^3 + 98*y^3*z^3 - 158*y^4*z^3 + 22*y^5*z^3 - 210*z^4 + 663*y*z^4 - 734*y^2*z^4 + 129*y^3*z^4 + 61*y^4*z^4 + 180*z^5 - 668*y*z^5 + 743*y^2*z^5 - 124*y^3*z^5 - 144*z^6 + 447*y*z^6 - 270*y^2*z^6 + 78*z^7 - 122*y*z^7 - 18*z^8)/(2*y^2*(-1 + z)^2*z^2* (-1 + y + z)^2))*G[1, 1 - y, -y, z] + (3*(-1 + y + 2*z)*(-6*y + 6*y^2 - z + y*z + z^2)*G[1 - y, 0, 0, z])/ (y*z*(-1 + y + z)) + ((-54*y^2 + 54*y^3 + y*z + 53*y^2*z - 9*z^2 + 22*y*z^2 + 9*z^3)*G[1 - y, 0, 1 - y, z])/(2*y^2*z) + (((-6*I)*Pi*(-1 + y + z)*(y + z)*(3*y^2 - 2*y*z + 3*z^2))/ (y^2*z^2) - (24*y - 84*y^2 + 114*y^3 - 96*y^4 + 84*y^5 - 60*y^6 + 18*y^7 + 24*z - 200*y*z + 489*y^2*z - 625*y^3*z + 617*y^4*z - 495*y^5*z + 226*y^6*z - 36*y^7*z - 84*z^2 + 535*y*z^2 - 1228*y^2*z^2 + 1611*y^3*z^2 - 1494*y^4*z^2 + 914*y^5*z^2 - 272*y^6*z^2 + 18*y^7*z^2 + 108*z^3 - 781*y*z^3 + 1931*y^2*z^3 - 2406*y^3*z^3 + 1711*y^4*z^3 - 665*y^5*z^3 + 102*y^6*z^3 - 72*z^4 + 797*y*z^4 - 1998*y^2*z^4 + 2047*y^3*z^4 - 948*y^4*z^4 + 170*y^5*z^4 + 48*z^5 - 559*y*z^5 + 1186*y^2*z^5 - 873*y^3*z^5 + 206*y^4*z^5 - 36*z^6 + 208*y*z^6 - 308*y^2*z^6 + 132*y^3*z^6 + 12*z^7 - 24*y*z^7 + 12*y^2*z^7)/(2*(-1 + y)^2*y^2*(-1 + z)^2*z^2* (-1 + y + z)))*G[1 - y, 0, -y, z] - ((-3*y + 6*y^2 + 7*y*z - 7*y^2*z - 3*y^3*z + 2*y^4*z - 11*y*z^2 + 8*y^2*z^2 + y^3*z^2 + 9*z^3 - 16*y*z^3 + 65*y^2*z^3 - 18*z^4 + 23*y*z^4 + 9*z^5)*G[1 - y, 1, 0, z])/(2*y^2*z^2*(-1 + y + z)) + ((-54*y^2 + 54*y^3 + y*z + 53*y^2*z - 9*z^2 + 22*y*z^2 + 9*z^3)* G[1 - y, 1 - y, 0, z])/(2*y^2*z) + (((6*I)*Pi*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2))/(y^2*z^2) + ((y - z)*(12*y^2 - 30*y^3 + 24*y^4 - 36*y^5 + 84*y^6 - 78*y^7 + 24*y^8 + 48*y*z - 190*y^2*z + 231*y^3*z - 185*y^4*z + 397*y^5*z - 549*y^6*z + 296*y^7*z - 48*y^8*z + 12*z^2 - 190*y*z^2 + 462*y^2*z^2 - 527*y^3*z^2 + 894*y^4*z^2 - 1487*y^5*z^2 + 1170*y^6*z^2 - 358*y^7*z^2 + 24*y^8*z^2 - 30*z^3 + 231*y*z^3 - 527*y^2*z^3 + 1186*y^3*z^3 - 2314*y^4*z^3 + 2353*y^5*z^3 - 1043*y^6*z^3 + 144*y^7*z^3 + 24*z^4 - 185*y*z^4 + 894*y^2*z^4 - 2314*y^3*z^4 + 2910*y^4*z^4 - 1675*y^5*z^4 + 342*y^6*z^4 - 36*z^5 + 397*y*z^5 - 1487*y^2*z^5 + 2353*y^3*z^5 - 1675*y^4*z^5 + 444*y^5*z^5 + 84*z^6 - 549*y*z^6 + 1170*y^2*z^6 - 1043*y^3*z^6 + 342*y^4*z^6 - 78*z^7 + 296*y*z^7 - 358*y^2*z^7 + 144*y^3*z^7 + 24*z^8 - 48*y*z^8 + 24*y^2*z^8))/ (2*(-1 + y)^2*y^2*(-1 + z)^2*z^2*(-1 + y + z)*(y + z)^2))* G[1 - y, 1 - y, -y, z] + ((3*y - 6*y^2 + 3*z - 14*y*z + 48*y^2*z - 72*y^3*z + 36*y^4*z - 6*z^2 + 2*y*z^2 - 56*y^2*z^2 + 66*y^3*z^2 + 6*z^3 + 4*y*z^3 + 30*y^2*z^3 - 12*z^4 + 6*y*z^4 + 6*z^5)* G[1 - y, -y, 0, z])/(2*y^2*z^2*(-1 + y + z)) + ((y - z)*(12*y^2 - 42*y^3 + 45*y^4 - 3*y^5 - 21*y^6 + 9*y^7 + 48*y*z - 202*y^2*z + 366*y^3*z - 305*y^4*z + 62*y^5*z + 49*y^6*z - 18*y^7*z + 12*z^2 - 202*y*z^2 + 690*y^2*z^2 - 1004*y^3*z^2 + 671*y^4*z^2 - 141*y^5*z^2 - 35*y^6*z^2 + 9*y^7*z^2 - 42*z^3 + 366*y*z^3 - 1004*y^2*z^3 + 1200*y^3*z^3 - 633*y^4*z^3 + 98*y^5*z^3 + 11*y^6*z^3 + 45*z^4 - 305*y*z^4 + 671*y^2*z^4 - 633*y^3*z^4 + 230*y^4*z^4 - 12*y^5*z^4 - 3*z^5 + 62*y*z^5 - 141*y^2*z^5 + 98*y^3*z^5 - 12*y^4*z^5 - 21*z^6 + 49*y*z^6 - 35*y^2*z^6 + 11*y^3*z^6 + 9*z^7 - 18*y*z^7 + 9*y^2*z^7)*G[1 - y, -y, 1 - y, z])/(2*(-1 + y)^2*y^2*(-1 + z)^2* z^2*(y + z)^2) + ((y - z)*(9*y^2 - 42*y^3 + 69*y^4 - 48*y^5 + 12*y^6 - 60*y*z + 168*y^2*z - 116*y^3*z - 56*y^4*z + 88*y^5*z - 24*y^6*z + 9*z^2 + 168*y*z^2 - 509*y^2*z^2 + 470*y^3*z^2 - 118*y^4*z^2 - 32*y^5*z^2 + 12*y^6*z^2 - 42*z^3 - 116*y*z^3 + 470*y^2*z^3 - 427*y^3*z^3 + 121*y^4*z^3 - 6*y^5*z^3 + 69*z^4 - 56*y*z^4 - 118*y^2*z^4 + 121*y^3*z^4 - 18*y^4*z^4 - 48*z^5 + 88*y*z^5 - 32*y^2*z^5 - 6*y^3*z^5 + 12*z^6 - 24*y*z^6 + 12*y^2*z^6)*G[1 - y, -y, -y, z])/(2*(-1 + y)^2*y^2*(-1 + z)^2*z^2* (-1 + y + z)) + ((-36*y^2 + 108*y^3 - 103*y^4 + 34*y^5 + 10*y*z + 74*y^2*z - 182*y^3*z + 99*y^4*z - 6*z^2 - 34*y*z^2 - 55*y^2*z^2 + 72*y^3*z^2 + 30*y*z^3 + y^2*z^3 + 6*z^4 - 6*y*z^4)* G[-y, 0, 0, z])/(2*y^2*z*(-1 + y + z)^2) + (((6*I)*Pi*(-1 + y + z)*(3*y + z))/z^2 + (27*y^3 - 48*y^4 + 24*y^5 + 33*y^2*z - 132*y^3*z + 98*y^4*z - 7*y*z^2 - 72*y^2*z^2 + 118*y^3*z^2 + 3*z^3 + 12*y*z^3 + 38*y^2*z^3 - 6*y*z^4)/ (2*y^2*z^2*(-1 + y + z)))*G[-y, 0, 1 - y, z] + (((-6*I)*Pi*(-1 + y + z)*(y + 3*z))/y^2 + (18*y^4 - 24*y^5 + 6*y^6 + 34*y^2*z - 76*y^3*z + 53*y^4*z - 14*y^5*z + 5*y*z^2 - 123*y^2*z^2 + 224*y^3*z^2 - 91*y^4*z^2 + 33*z^3 - 110*y*z^3 + 280*y^2*z^3 - 168*y^3*z^3 - 81*z^4 + 208*y*z^4 - 176*y^2*z^4 + 75*z^5 - 106*y*z^5 - 27*z^6)/ (2*y^2*z^2*(-1 + y + z)^2))*G[-y, 0, -y, z] + (((6*I)*Pi*(-1 + y + z)*(3*y + z))/z^2 + (27*y^3 - 48*y^4 + 24*y^5 + 33*y^2*z - 132*y^3*z + 98*y^4*z - 7*y*z^2 - 72*y^2*z^2 + 118*y^3*z^2 + 3*z^3 + 12*y*z^3 + 38*y^2*z^3 - 6*y*z^4)/ (2*y^2*z^2*(-1 + y + z)))*G[-y, 1 - y, 0, z] + ((y - z)*(-9*y^2 + 9*y^3 + 46*y*z - 23*y^2*z - 9*z^2 - 23*y*z^2 + 9*z^3)*G[-y, 1 - y, 1 - y, z])/(2*y^2*z^2) + (((-6*I)*Pi*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2))/ (y^2*z^2) - ((y - z)*(-24*y^2 + 54*y^3 - 48*y^4 + 18*y^5 - 62*y*z + 228*y^2*z - 295*y^3*z + 126*y^4*z - 24*z^2 + 228*y*z^2 - 494*y^2*z^2 + 270*y^3*z^2 + 54*z^3 - 295*y*z^3 + 270*y^2*z^3 - 48*z^4 + 126*y*z^4 + 18*z^5))/ (2*y^2*z^2*(-1 + y + z)^2))*G[-y, 1 - y, -y, z] + (((6*I)*Pi*(-1 + y + z)*(3*y + z))/z^2 + (-27*y^3 + 27*y^4 + 21*y^2*z + 24*y^3*z - 8*y*z^2 + y^2*z^2 + 6*z^3 - 2*y*z^3 - 6*z^4)/(2*y^2*z^2))*G[-y, -y, 0, z] + (((-6*I)*Pi*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2))/ (y^2*z^2) - ((y - z)*(24*y^2 - 54*y^3 + 27*y^4 + 64*y*z - 200*y^2*z + 134*y^3*z + 24*z^2 - 200*y*z^2 + 214*y^2*z^2 - 54*z^3 + 134*y*z^3 + 27*z^4))/(2*y^2*z^2*(-1 + y + z)))* G[-y, -y, 1 - y, z] + (((-6*I)*Pi*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2))/(y^2*z^2) - ((y - z)*(-33*y^2 + 117*y^3 - 123*y^4 + 39*y^5 - 4*y*z + 175*y^2*z - 313*y^3*z + 145*y^4*z - 33*z^2 + 175*y*z^2 - 380*y^2*z^2 + 258*y^3*z^2 + 117*z^3 - 313*y*z^3 + 258*y^2*z^3 - 123*z^4 + 145*y*z^4 + 39*z^5))/(2*y^2*z^2*(-1 + y + z)^2))* G[-y, -y, -y, z] + (9*(-y + 3*y^2 - 2*y^3 - 3*z + 12*y*z - 14*y^2*z + 10*y^3*z + 9*z^2 - 21*y*z^2 + 11*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)*G[0, 0, 0, -y, z])/(y^2*(-1 + y + z)^2) - (9*(-y + 3*y^2 - 2*y^3 - 3*z + 12*y*z - 14*y^2*z + 10*y^3*z + 9*z^2 - 21*y*z^2 + 11*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)* G[0, 0, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) - (3*(3*y - 6*y^2 + y^3 + 9*z - 24*y*z + 17*y^2*z - 18*z^2 + 21*y*z^2 + 9*z^3)*G[0, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)) - (3*(-y + 3*y^2 - 3*y^3 + y^4 - 3*z + 12*y*z - 16*y^2*z + 4*y^3*z + 9*z^2 - 21*y*z^2 + 13*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)* G[0, 0, -y, -y, z])/(y^2*(-1 + y + z)^2) - (6*(1 + 2*y - z)*z*G[0, 1, 0, 0, z])/(-1 + y + z)^2 - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[0, 1, 0, -y, z])/(y^2*(-1 + y + z)) - (6*(1 + 2*y - z)*z*G[0, 1, 1, 0, z])/(-1 + y + z)^2 - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[0, 1, 1 - y, -y, z])/(y^2*(-1 + y + z)) - (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 12*y^3*z - 21*y^4*z + 10*y^5*z - 2*y*z^2 + 9*y^2*z^2 - 18*y^3*z^2 + 11*y^4*z^2 - 6*z^3 + 24*y*z^3 - 35*y^2*z^3 + 20*y^3*z^3 + 18*z^4 - 42*y*z^4 + 27*y^2*z^4 - 18*z^5 + 20*y*z^5 + 6*z^6)*G[0, 1 - y, 0, -y, z])/ (y^2*z^2*(-1 + y + z)^2) + (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 12*y^3*z - 21*y^4*z + 10*y^5*z - 3*y*z^2 + 12*y^2*z^2 - 21*y^3*z^2 + 12*y^4*z^2 - 9*z^3 + 36*y*z^3 - 50*y^2*z^3 + 26*y^3*z^3 + 27*z^4 - 63*y*z^4 + 39*y^2*z^4 - 27*z^5 + 30*y*z^5 + 9*z^6)*G[0, 1 - y, 1 - y, -y, z])/(y^2*z^2*(-1 + y + z)^2) + (6*(2*y - 4*y^2 + y^3 + 6*z - 16*y*z + 11*y^2*z - 12*z^2 + 14*y*z^2 + 6*z^3)*G[0, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)) + (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 9*z + 36*y*z - 46*y^2*z + 16*y^3*z + 27*z^2 - 63*y*z^2 + 37*y^2*z^2 - 27*z^3 + 30*y*z^3 + 9*z^4)*G[0, 1 - y, -y, -y, z])/(y^2*(-1 + y + z)^2) - (3*(1 + 2*y - z)*z*G[0, -y, 0, 0, z])/(-1 + y + z)^2 + (3*(-1 + y + z)*(3*y + z)*G[0, -y, 0, 1 - y, z])/z^2 + (3*(y - z)*G[0, -y, 0, -y, z])/(-1 + y + z) + (3*(-1 + y + z)*(3*y + z)*G[0, -y, 1 - y, 0, z])/z^2 + (9*(-1 + y + z)*(y + 3*z)*G[0, -y, 1 - y, 1 - y, z])/y^2 - (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 12*y^3*z - 21*y^4*z + 10*y^5*z + y*z^2 - 11*y^3*z^2 + 10*y^4*z^2 + 3*z^3 - 12*y*z^3 + 13*y^2*z^3 + 4*y^3*z^3 - 9*z^4 + 21*y*z^4 - 12*y^2*z^4 + 9*z^5 - 10*y*z^5 - 3*z^6)*G[0, -y, 1 - y, -y, z])/ (y^2*z^2*(-1 + y + z)^2) + (3*(-1 + y + z)*(3*y + z)* G[0, -y, -y, 0, z])/z^2 - (3*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[0, -y, -y, 1 - y, z])/(y^2*z^2) - (3*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - y^2*z + 12*y^3*z - 21*y^4*z + 10*y^5*z - 2*y*z^2 + 9*y^2*z^2 - 22*y^3*z^2 + 15*y^4*z^2 - 6*z^3 + 24*y*z^3 - 34*y^2*z^3 + 14*y^3*z^3 + 18*z^4 - 42*y*z^4 + 26*y^2*z^4 - 18*z^5 + 20*y*z^5 + 6*z^6)*G[0, -y, -y, -y, z])/ (y^2*z^2*(-1 + y + z)^2) - (9*(1 + 2*y - z)*z*G[1, 0, 0, 0, z])/ (-1 + y + z)^2 - (6*(1 + 2*y - z)*z*G[1, 0, 0, 1 - y, z])/ (-1 + y + z)^2 + (3*(-y + 3*y^2 - 2*y^3 - 3*z + 12*y*z - 11*y^2*z + 16*y^3*z + 9*z^2 - 21*y*z^2 + 8*y^2*z^2 - 9*z^3 + 10*y*z^3 + 3*z^4)*G[1, 0, 0, -y, z])/(y^2*(-1 + y + z)^2) - (6*(1 + 2*y - z)*z*G[1, 0, 1, 0, z])/(-1 + y + z)^2 - (6*(1 + 2*y - z)*z*G[1, 0, 1 - y, 0, z])/(-1 + y + z)^2 - (3*(-2*y + 6*y^2 - 4*y^3 - 6*z + 24*y*z - 33*y^2*z + 10*y^3*z + 18*z^2 - 42*y*z^2 + 27*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4)* G[1, 0, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)) - (3*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, 0, -y, -y, z])/(y^2*(-1 + y + z)^2) - (6*(1 + 2*y - z)*z*G[1, 1, 0, 0, z])/(-1 + y + z)^2 - (6*(1 + 2*y - z)*z*G[1, 1, 0, 1 - y, z])/(-1 + y + z)^2 + (3*(-4*y + 12*y^2 - 8*y^3 - 12*z + 48*y*z - 59*y^2*z + 34*y^3*z + 36*z^2 - 84*y*z^2 + 47*y^2*z^2 - 36*z^3 + 40*y*z^3 + 12*z^4)* G[1, 1, 0, -y, z])/(y^2*(-1 + y + z)^2) + (3*(1 + 2*y - z)*z*G[1, 1, 1, 0, z])/(-1 + y + z)^2 - (6*(1 + 2*y - z)*z*G[1, 1, 1 - y, 0, z])/(-1 + y + z)^2 + (3*(-4*y + 12*y^2 - 8*y^3 - 12*z + 48*y*z - 59*y^2*z + 34*y^3*z + 36*z^2 - 84*y*z^2 + 47*y^2*z^2 - 36*z^3 + 40*y*z^3 + 12*z^4)* G[1, 1, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) - (6*(1 + 2*y - z)*z*G[1, 1 - y, 0, 0, z])/(-1 + y + z)^2 - (3*(-2*y + 6*y^2 - 4*y^3 - 6*z + 24*y*z - 33*y^2*z + 10*y^3*z + 18*z^2 - 42*y*z^2 + 27*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4)* G[1, 1 - y, 0, -y, z])/(y^2*(-1 + y + z)^2) - (9*(1 + 2*y - z)*z*G[1, 1 - y, 1, 0, z])/(-1 + y + z)^2 - (3*(-2*y + 6*y^2 - 4*y^3 - 6*z + 24*y*z - 33*y^2*z + 10*y^3*z + 18*z^2 - 42*y*z^2 + 27*y^2*z^2 - 18*z^3 + 20*y*z^3 + 6*z^4)* G[1, 1 - y, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) - (6*(y - 2*y^2 + 3*z - 8*y*z + 6*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)* G[1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)) - (3*(-1 + 2*y + z)*(y - y^2 + 3*z - 5*y*z + 4*y^2*z - 6*z^2 + 4*y*z^2 + 3*z^3)*G[1, 1 - y, -y, -y, z])/(y^2*(-1 + y + z)^2) + (3*(6*y^3 - 12*y^4 + 6*y^5 + 2*y^2*z - 16*y^3*z + 14*y^4*z - 3*y*z^2 + 2*y^2*z^2 + 6*y^3*z^2 - 9*z^3 + 24*y*z^3 - 12*y^2*z^3 + 18*z^4 - 21*y*z^4 - 9*z^5)*G[1 - y, 0, 0, -y, z])/ (y^2*z^2*(-1 + y + z)) - (3*(6*y^3 - 12*y^4 + 6*y^5 + 2*y^2*z - 16*y^3*z + 14*y^4*z - 4*y*z^2 + 4*y^2*z^2 + 5*y^3*z^2 - 12*z^3 + 32*y*z^3 - 17*y^2*z^3 + 24*z^4 - 28*y*z^4 - 12*z^5)* G[1 - y, 0, 1 - y, -y, z])/(y^2*z^2*(-1 + y + z)) + (6*(-1 + y + z)*(3*y^3 + y^2*z + 2*y*z^2 + 6*z^3)* G[1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(3*y^3 + y^2*z + 3*y*z^2 + 9*z^3)* G[1 - y, 0, -y, -y, z])/(y^2*z^2) + (3*(1 + 2*y - z)*z*G[1 - y, 1, 0, 0, z])/(-1 + y + z)^2 - (3*(-1 + y + z)*(3*y + z)*G[1 - y, 1, 0, 1 - y, z])/z^2 + (3*(3*y^3 - 6*y^4 + 3*y^5 + y^2*z - 8*y^3*z + 7*y^4*z - 5*y*z^2 + 8*y^2*z^2 - y^3*z^2 - 15*z^3 + 40*y*z^3 - 23*y^2*z^3 + 30*z^4 - 35*y*z^4 - 15*z^5)*G[1 - y, 1, 0, -y, z])/ (y^2*z^2*(-1 + y + z)) + (3*(1 + 2*y - z)*z*G[1 - y, 1, 1, 0, z])/ (-1 + y + z)^2 - (3*(-1 + y + z)*(3*y + z)*G[1 - y, 1, 1 - y, 0, z])/z^2 + (3*(3*y^3 - 6*y^4 + 3*y^5 + y^2*z - 8*y^3*z + 7*y^4*z - 5*y*z^2 + 8*y^2*z^2 - y^3*z^2 - 15*z^3 + 40*y*z^3 - 23*y^2*z^3 + 30*z^4 - 35*y*z^4 - 15*z^5)*G[1 - y, 1, 1 - y, -y, z])/ (y^2*z^2*(-1 + y + z)) + (9*(-1 + y + z)*(y + z)* (3*y^2 - 2*y*z + 3*z^2)*G[1 - y, 1 - y, 0, -y, z])/(y^2*z^2) - (9*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[1 - y, 1 - y, 1 - y, -y, z])/(y^2*z^2) - (6*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[1 - y, 1 - y, -y, -y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)* G[1 - y, -y, 0, 1 - y, z])/z^2 + (6*(-1 + y + z)*(y + 3*z)* G[1 - y, -y, 0, -y, z])/y^2 - (6*(-1 + y + z)*(3*y + z)* G[1 - y, -y, 1 - y, 0, z])/z^2 + (6*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[1 - y, -y, 1 - y, -y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[1 - y, -y, -y, 0, z])/z^2 + (6*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[1 - y, -y, -y, 1 - y, z])/(y^2*z^2) + (6*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[1 - y, -y, -y, -y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, 0, 0, 1 - y, z])/z^2 - (12*(-1 + y + z)*(y + 3*z)*G[-y, 0, 0, -y, z])/y^2 - (6*(-1 + y + z)*(3*y + z)*G[-y, 0, 1 - y, 0, z])/z^2 - (9*(-1 + y + z)*(3*y + z)*G[-y, 0, 1 - y, 1 - y, z])/z^2 + (6*(-1 + y + z)*(3*y^3 + y^2*z + 2*y*z^2 + 6*z^3)* G[-y, 0, 1 - y, -y, z])/(y^2*z^2) - (9*(-1 + y + z)*(3*y + z)* G[-y, 0, -y, 0, z])/z^2 + (6*(-1 + y + z)*(3*y^3 + y^2*z + 2*y*z^2 + 6*z^3)*G[-y, 0, -y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(9*y^3 + 3*y^2*z + 2*y*z^2 + 6*z^3)* G[-y, 0, -y, -y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)* G[-y, 1 - y, 0, 0, z])/z^2 - (9*(-1 + y + z)*(3*y + z)* G[-y, 1 - y, 0, 1 - y, z])/z^2 + (6*(-1 + y + z)*(3*y^3 + y^2*z + 2*y*z^2 + 6*z^3)* G[-y, 1 - y, 0, -y, z])/(y^2*z^2) - (9*(-1 + y + z)*(3*y + z)* G[-y, 1 - y, 1 - y, 0, z])/z^2 + (3*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[-y, 1 - y, 1 - y, -y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, 1 - y, -y, 0, z])/z^2 + (12*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[-y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + (9*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[-y, 1 - y, -y, -y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)*G[-y, -y, 0, 0, z])/z^2 - (6*(-1 + y + z)*(3*y + z)*G[-y, -y, 0, 1 - y, z])/z^2 + (3*(-1 + y + z)*(6*y^3 + 2*y^2*z + y*z^2 + 3*z^3)* G[-y, -y, 0, -y, z])/(y^2*z^2) - (6*(-1 + y + z)*(3*y + z)* G[-y, -y, 1 - y, 0, z])/z^2 + (9*(y - z)*(-1 + y + z)* (3*y^2 + 4*y*z + 3*z^2)*G[-y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (6*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[-y, -y, 1 - y, -y, z])/(y^2*z^2) + (3*(-1 + y + z)*(3*y + z)*G[-y, -y, -y, 0, z])/ z^2 + (6*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)* G[-y, -y, -y, 1 - y, z])/(y^2*z^2) - (3*(y - z)*(-1 + y + z)*(3*y^2 + 4*y*z + 3*z^2)*G[-y, -y, -y, -y, z])/(y^2*z^2) + (((-6*I)*Pi*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 12*z + 44*y*z - 49*y^2*z + 26*y^3*z + 36*z^2 - 79*y*z^2 + 40*y^2*z^2 - 36*z^3 + 38*y*z^3 + 12*z^4))/ (y^2*(-1 + y + z)^2) - (126*y^4 - 468*y^5 + 612*y^6 - 288*y^7 - 18*y^8 + 36*y^9 - 432*y*z + 2136*y^2*z - 3980*y^3*z + 2684*y^4*z + 921*y^5*z - 1963*y^6*z + 463*y^7*z + 243*y^8*z - 72*y^9*z - 144*z^2 + 2784*y*z^2 - 10279*y^2*z^2 + 15350*y^3*z^2 - 9114*y^4*z^2 + 58*y^5*z^2 + 1190*y^6*z^2 + 516*y^7*z^2 - 387*y^8*z^2 + 26*y^9*z^2 + 648*z^3 - 6684*y*z^3 + 19269*y^2*z^3 - 23628*y^3*z^3 + 13144*y^4*z^3 - 3838*y^5*z^3 + 2176*y^6*z^3 - 1249*y^7*z^3 + 162*y^8*z^3 - 1083*z^4 + 7944*y*z^4 - 19112*y^2*z^4 + 21678*y^3*z^4 - 14425*y^4*z^4 + 7606*y^5*z^4 - 3200*y^6*z^4 + 578*y^7*z^4 + 873*z^5 - 5709*y*z^5 + 13585*y^2*z^5 - 17010*y^3*z^5 + 12823*y^4*z^5 - 5747*y^5*z^5 + 1185*y^6*z^5 - 522*z^6 + 3780*y*z^6 - 9444*y^2*z^6 + 11094*y^3*z^6 - 6338*y^4*z^6 + 1458*y^5*z^6 + 462*z^7 - 2631*y*z^7 + 5039*y^2*z^7 - 3970*y^3*z^7 + 1100*y^4*z^7 - 315*z^8 + 1110*y*z^8 - 1275*y^2*z^8 + 466*y^3*z^8 + 81*z^9 - 162*y*z^9 + 81*y^2*z^9)/ (2*(-1 + y)^2*y^2*(-1 + z)^2*z*(-1 + y + z)^2*(y + z)^2))* Zeta[3] + G[-y, z]*((I*Pi*(y - z)*(-17 + 30*y - 13*y^2 + 30*z - 43*y*z + 15*y^2*z - 13*z^2 + 15*y*z^2))/((-1 + y)*y*(-1 + z)* z) - (I*Pi^3*(y - z)*(-3*y^2 + 3*y^3 - 3*y*z + 5*y^2*z - 3*z^2 + 5*y*z^2 + 3*z^3))/(y^2*z^2) + ((y - z)*(9*y - 36*y^2 + 45*y^3 - 18*y^4 + 9*z + 141*y*z - 355*y^2*z + 269*y^3*z - 64*y^4*z - 36*z^2 - 355*y*z^2 + 787*y^2*z^2 - 560*y^3*z^2 + 164*y^4*z^2 + 45*z^3 + 269*y*z^3 - 560*y^2*z^3 + 328*y^3*z^3 - 18*z^4 - 64*y*z^4 + 164*y^2*z^4))/(4*(-1 + y)*y^2*(-1 + z)*z^2* (-1 + y + z)) - (Pi^2*(y - z)*(-57*y^4 + 111*y^5 - 75*y^6 + 21*y^7 - 96*y^3*z + 245*y^4*z - 242*y^5*z + 93*y^6*z - 74*y^2*z^2 + 168*y^3*z^2 - 277*y^4*z^2 + 151*y^5*z^2 - 96*y*z^3 + 168*y^2*z^3 - 220*y^3*z^3 + 135*y^4*z^3 - 57*z^4 + 245*y*z^4 - 277*y^2*z^4 + 135*y^3*z^4 + 111*z^5 - 242*y*z^5 + 151*y^2*z^5 - 75*z^6 + 93*y*z^6 + 21*z^7))/(12*y^2*z^2* (-1 + y + z)^2*(y + z)^2) - (3*(y - z)*(-21*y^2 + 21*y^3 - 30*y*z + 53*y^2*z - 21*z^2 + 53*y*z^2 + 21*z^3)*Zeta[3])/ (y^2*z^2)) + G[1, z]*((I*Pi^3*(-1 + 2*y + z)*(-1 + 2*z))/ (y*(-1 + y + z)) - (Pi^2*(12*y - 42*y^2 + 21*y^3 + 15*y^4 - 6*y^5 + 12*z - 100*y*z + 215*y^2*z - 82*y^3*z - 74*y^4*z + 26*y^5*z - 42*z^2 + 238*y*z^2 - 371*y^2*z^2 + 52*y^3*z^2 + 132*y^4*z^2 - 34*y^5*z^2 + 21*z^3 - 258*y*z^3 + 462*y^2*z^3 - 50*y^3*z^3 - 122*y^4*z^3 + 22*y^5*z^3 + 105*z^4 + 232*y*z^4 - 680*y^2*z^4 + 167*y^3*z^4 + 49*y^4*z^4 - 210*z^5 - 280*y*z^5 + 635*y^2*z^5 - 108*y^3*z^5 + 168*z^6 + 222*y*z^6 - 219*y^2*z^6 - 63*z^7 - 66*y*z^7 + 9*z^8))/(12*y^2*(-1 + z)^2*z^2* (-1 + y + z)^2) - (3*(-5*y + 15*y^2 - 10*y^3 - 9*z + 44*y*z - 60*y^2*z + 38*y^3*z + 27*z^2 - 73*y*z^2 + 45*y^2*z^2 - 27*z^3 + 34*y*z^3 + 9*z^4)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1 - y, z]*((I*Pi^3*(-3*y^2 + 3*y^3 - y*z + 4*y^2*z + z^2 - 2*z^3))/ (y*z^2) + (I*Pi*(y - z)*(-21*y^2 + 21*y^3 - 38*y*z + 63*y^2*z - 21*z^2 + 63*y*z^2 + 21*z^3))/(y*z*(y + z)^2) + ((y - z)*(-72*y - 345*y^2 + 417*y^3 - 72*z - 622*y*z + 1235*y^2*z - 345*z^2 + 1235*y*z^2 + 417*z^3))/ (6*y*z*(y + z)^2) + (Pi^2*(-24*y^2 + 90*y^3 - 90*y^4 - 60*y^5 + 180*y^6 - 126*y^7 + 30*y^8 + 3*z - 16*y*z + 147*y^2*z - 300*y^3*z - 115*y^4*z + 912*y^5*z - 999*y^6*z + 428*y^7*z - 60*y^8*z + 9*z^2 - 16*y*z^2 - 235*y^2*z^2 + 216*y^3*z^2 + 1175*y^4*z^2 - 2450*y^5*z^2 + 1749*y^6*z^2 - 478*y^7*z^2 + 30*y^8*z^2 - 99*z^3 + 174*y*z^3 + 423*y^2*z^3 - 470*y^3*z^3 - 1414*y^4*z^3 + 2452*y^5*z^3 - 1248*y^6*z^3 + 182*y^7*z^3 + 261*z^4 - 253*y*z^4 - 1138*y^2*z^4 + 1753*y^3*z^4 - 69*y^4*z^4 - 860*y^5*z^4 + 306*y^6*z^4 - 336*z^5 + 136*y*z^5 + 1520*y^2*z^5 - 2116*y^3*z^5 + 780*y^4*z^5 + 12*y^5*z^5 + 234*z^6 - 57*y*z^6 - 845*y^2*z^6 + 943*y^3*z^6 - 267*y^4*z^6 - 84*z^7 + 56*y*z^7 + 140*y^2*z^7 - 116*y^3*z^7 + 12*z^8 - 24*y*z^8 + 12*y^2*z^8))/(12*(-1 + y)^2*y^2*(-1 + z)^2*z^2* (-1 + y + z)^2) + (3*(-27*y^3 + 81*y^4 - 81*y^5 + 27*y^6 - 7*y^2*z + 100*y^3*z - 179*y^4*z + 86*y^5*z - 5*y*z^2 + 36*y^2*z^2 - 134*y^3*z^2 + 103*y^4*z^2 - 6*z^3 + 36*y*z^3 - 78*y^2*z^3 + 64*y^3*z^3 + 18*z^4 - 57*y*z^4 + 49*y^2*z^4 - 18*z^5 + 26*y*z^5 + 6*z^6)*Zeta[3])/(y^2*z^2*(-1 + y + z)^ 2))) - (66*(y - z)*Zeta[5])/(-1 + y + z)))}