{beta[2, 1] -> 0, beta[2, 2] -> Nf*((-2*z*(-1 + 2*y + z)*(-1 + 2*z))/(3*(-1 + y)*(y + z)) + (2*(-1 + y + z)*(-1 + 2*z)*G[0, y])/(3*(-1 + y)^2) + (2*y*(-1 + 2*z)*G[1, y])/(3*(y + z)^2) + (2*y*(-1 + 2*z)*G[1 - y, z])/ (3*(y + z)^2)) + (-1/6*(Pi^2*(1 + y - z)*z)/(-1 + y + z) + (z*(-2 + y + 2*z)*G[0, z]*G[1, y])/y + (2*(-1 + y + z)*G[1 - y, z])/ (y + z) + G[0, y]*((-2*y)/(-1 + y) - ((1 + y - z)*z*G[0, z])/ (-1 + y + z) - ((-1 + z)*(-1 + 2*y + z)*G[1 - y, z])/z) + G[1, y]*((2*(-1 + y + z))/(y + z) + ((y - 2*y^2 - 2*y*z + 2*y^2*z + 2*z^2 - 2*z^3)*G[-y, z])/(y*z)) - (z*(-2 + y + 2*z)*G[0, 1, y])/y + (z*(-2 + y + 2*z)*G[0, 1 - y, z])/y + ((1 + y - z)*z*G[1, 0, y])/(-1 + y + z) - (2*(-1 + z)*z*(-1 + 2*y + z)*G[1, 0, z])/(y*(-1 + y + z)) + (z*(-2 + y + 2*z)*G[1 - y, 0, z])/y + ((y - 2*y^2 - 2*y*z + 2*y^2*z + 2*z^2 - 2*z^3)*G[-y, 1 - y, z])/(y*z))/ Nc + Nc*(-1/6*(Pi^2*(1 + y - z)*z)/(-1 + y + z) + (2*z*(-1 + 2*y + z)*(-1 + 2*z))/(3*(-1 + y)*(y + z)) + (z*(-2 + y + 2*z)*G[0, z]*G[1, y])/y + (2*(-2*y + 3*y^2 - 3*z + 4*y*z + 3*z^2)*G[1 - y, z])/(3*(y + z)^2) + G[0, y]*((-2*(1 - 4*y + 3*y^2 - 3*z + 2*y*z + 2*z^2))/(3*(-1 + y)^2) - ((1 + y - z)*z*G[0, z])/(-1 + y + z) - ((-1 + z)*(-1 + 2*y + z)*G[1 - y, z])/z) + G[1, y]*((2*(-2*y + 3*y^2 - 3*z + 4*y*z + 3*z^2))/(3*(y + z)^2) + ((y - 2*y^2 - 2*y*z + 2*y^2*z + 2*z^2 - 2*z^3)*G[-y, z])/(y*z)) - (z*(-2 + y + 2*z)*G[0, 1, y])/y + (z*(-2 + y + 2*z)*G[0, 1 - y, z])/y + ((1 + y - z)*z*G[1, 0, y])/(-1 + y + z) - (2*(-1 + z)*z*(-1 + 2*y + z)*G[1, 0, z])/(y*(-1 + y + z)) + (z*(-2 + y + 2*z)*G[1 - y, 0, z])/y + ((y - 2*y^2 - 2*y*z + 2*y^2*z + 2*z^2 - 2*z^3)*G[-y, 1 - y, z])/(y*z)) + eps*(Nf*((-40*z*(-1 + 2*y + z)*(-1 + 2*z))/(9*(-1 + y)*(y + z)) - (((4*I)/3)*Pi*z*(-1 + 2*y + z)*(-1 + 2*z))/((-1 + y)*(y + z)) + ((((4*I)/3)*Pi*(-1 + y + z)*(-1 + 2*z))/(-1 + y)^2 + (4*(7 + 3*y)*(-1 + y + z)*(-1 + 2*z))/(9*(-1 + y)^2))*G[0, y] + ((((4*I)/3)*Pi*y*(-1 + 2*z))/(y + z)^2 - (4*y*(-1 + 2*z)*(-10 + 3*y + 3*z))/(9*(y + z)^2))*G[1 - y, z] + G[1, y]*((((4*I)/3)*Pi*y*(-1 + 2*z))/(y + z)^2 - (4*y*(-1 + 2*z)*(-10 + 3*y + 3*z))/(9*(y + z)^2) - (2*y*(-1 + 2*z)*G[1 - y, z])/(y + z)^2) - (2*(-1 + y + z)*(-1 + 2*z)*G[0, 0, y])/(-1 + y)^2 - (2*y*(-1 + 2*z)*G[1, 1, y])/(y + z)^2 - (2*y*(-1 + 2*z)*G[1 - y, 1 - y, z])/(y + z)^2) + (1 - 2*y - z - ((I/3)*Pi^3*(1 + y - z)*z)/(-1 + y + z) + (Pi^2*(-y^4 + 4*y^5 - 6*y^6 + 4*y^7 - y^8 + 3*y^3*z - 8*y^4*z + 4*y^5*z + 6*y^6*z - 7*y^7*z + 2*y^8*z + 13*y^2*z^2 - 56*y^3*z^2 + 77*y^4*z^2 - 32*y^5*z^2 - 8*y^6*z^2 + 6*y^7*z^2 + 7*y*z^3 - 58*y^2*z^3 + 123*y^3*z^3 - 86*y^4*z^3 + 8*y^5*z^3 + 6*y^6*z^3 + 2*z^4 - 28*y*z^4 + 93*y^2*z^4 - 98*y^3*z^4 + 29*y^4*z^4 - 2*y^5*z^4 - 6*z^5 + 39*y*z^5 - 66*y^2*z^5 + 35*y^3*z^5 - 10*y^4*z^5 + 6*z^6 - 22*y*z^6 + 20*y^2*z^6 - 8*y^3*z^6 - 2*z^7 + 4*y*z^7 - 2*y^2*z^7))/(6*(-1 + y)^2*y*z*(-1 + y + z)^2*(y + z)^2) - (Pi^2*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 4*y*z + 3*y^2*z - 4*z^2 + 3*y*z^2 + 2*z^3)*G[1, z])/(6*y^2*(-1 + y + z)^2) - (y*(-1 + 2*y - y^2 + 9*z - 11*y*z + 2*y^2*z - 8*z^2 + 4*y*z^2)* G[0, 0, y])/((-1 + y)*z*(-1 + y + z)) + (2*(-1 + z)*z*(-1 + 2*y + z)*G[0, 0, z])/(y*(-1 + y + z)) + (((-2*I)*Pi*z*(-2 + y + 2*z))/y + (-y^3 + 2*y^4 - y^5 + 5*y^2*z - 8*y^3*z + y^4*z + 2*y^5*z - 2*z^2 + 10*y*z^2 - 16*y^2*z^2 + 6*y^3*z^2 - 2*y^4*z^2 + 4*z^3 - 14*y*z^3 + 12*y^2*z^3 - 6*y^3*z^3 - 2*z^4 + 4*y*z^4 - 2*y^2*z^4)/((-1 + y)^2*y^2*z))* G[0, 1, y] + (((2*I)*Pi*z*(-2 + y + 2*z))/y + (2*z*(1 - 4*y + 5*y^2 - 3*y^3 + y^4 - 2*z + 6*y*z - 4*y^2*z + 2*y^3*z + z^2 - 2*y*z^2 + y^2*z^2))/((-1 + y)^2*y^2))* G[0, 1 - y, z] + (((2*I)*Pi*(1 + y - z)*z)/(-1 + y + z) + (y^2 - 3*y^3 + 3*y^4 - y^5 + 2*y*z - 16*y^2*z + 28*y^3*z - 16*y^4*z + 2*y^5*z + 5*z^2 - 35*y*z^2 + 76*y^2*z^2 - 56*y^3*z^2 + 12*y^4*z^2 - 18*z^3 + 72*y*z^3 - 76*y^2*z^3 + 22*y^3*z^3 + 21*z^4 - 43*y*z^4 + 16*y^2*z^4 - 8*z^5 + 4*y*z^5)/ (z*(-1 + y + z)^2*(y + z)^2))*G[1, 0, y] + G[1 - y, z]*(((4*I)*Pi*(-1 + y + z))/(y + z) + (2*(-1 + y + z)*(y^2 - 3*y^3 + 2*y^4 - 3*y*z + 2*y^2*z + 2*y^3*z + z^2 - y*z^2 + y^2*z^2 - z^3 + y*z^3))/((-1 + y)*y*z*(y + z)) - (Pi^2*(-y^6 + 5*y^7 - 10*y^8 + 10*y^9 - 5*y^10 + y^11 - 4*y^5*z + 25*y^6*z - 63*y^7*z + 82*y^8*z - 58*y^9*z + 21*y^10*z - 3*y^11*z - 5*y^4*z^2 + 42*y^5*z^2 - 131*y^6*z^2 + 206*y^7*z^2 - 179*y^8*z^2 + 86*y^9*z^2 - 21*y^10*z^2 + 2*y^11*z^2 + 3*y^3*z^3 + 3*y^4*z^3 - 61*y^5*z^3 + 167*y^6*z^3 - 217*y^7*z^3 + 153*y^8*z^3 - 57*y^9*z^3 + 9*y^10*z^3 + 6*y^2*z^4 - 45*y^3*z^4 + 123*y^4*z^4 - 138*y^5*z^4 + 12*y^6*z^4 + 100*y^7*z^4 - 77*y^8*z^4 + 19*y^9*z^4 + 7*y*z^5 - 64*y^2*z^5 + 238*y^3*z^5 - 440*y^4*z^5 + 384*y^5*z^5 - 109*y^6*z^5 - 31*y^7*z^5 + 19*y^8*z^5 + 2*z^6 - 38*y*z^6 + 198*y^2*z^6 - 482*y^3*z^6 + 588*y^4*z^6 - 328*y^5*z^6 + 68*y^6*z^6 - 8*z^7 + 78*y*z^7 - 273*y^2*z^7 + 454*y^3*z^7 - 356*y^4*z^7 + 124*y^5*z^7 - 19*y^6*z^7 + 12*z^8 - 76*y*z^8 + 184*y^2*z^8 - 201*y^3*z^8 + 92*y^4*z^8 - 19*y^5*z^8 - 8*z^9 + 35*y*z^9 - 57*y^2*z^9 + 35*y^3*z^9 - 9*y^4*z^9 + 2*z^10 - 6*y*z^10 + 6*y^2*z^10 - 2*y^3*z^10))/(6*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)* (y + z)^3) + ((y - y^2 + 3*z - 8*y*z + 2*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3)*G[0, 0, y])/z^2 - ((y^2 - 4*y^3 + 6*y^4 - 4*y^5 + y^6 + y*z - 8*y^2*z + 21*y^3*z - 25*y^4*z + 14*y^5*z - 3*y^6*z + y*z^2 - 3*y^2*z^2 + y^3*z^2 + 5*y^4*z^2 - 6*y^5*z^2 + 2*y^6*z^2 + 5*z^3 - 20*y*z^3 + 27*y^2*z^3 - 16*y^3*z^3 + 4*y^4*z^3 - 10*z^4 + 33*y*z^4 - 30*y^2*z^4 + 13*y^3*z^4 - 2*y^4*z^4 + 5*z^5 - 15*y*z^5 + 9*y^2*z^5 - 3*y^3*z^5)*G[0, 1, y])/ ((-1 + y)^3*y*(-1 + z)*z^2) - ((-2*y^3 + 8*y^4 - 5*y^5 + 2*y*z - 9*y^2*z + 31*y^3*z - 22*y^4*z + y^5*z - 2*z^2 - 8*y*z^2 + 48*y^2*z^2 - 45*y^3*z^2 + 2*y^4*z^2 + 3*z^3 + 29*y*z^3 - 53*y^2*z^3 + 4*y^3*z^3 + 4*z^4 - 34*y*z^4 + 10*y^2*z^4 - 9*z^5 + 11*y*z^5 + 4*z^6)*G[1, 0, y])/((-1 + z)*(-1 + y + z)* (y + z)^3)) + (((-4*I)*Pi*(-1 + z)*z*(-1 + 2*y + z))/ (y*(-1 + y + z)) - (2*(-1 + z)*(-1 + 2*y + z)*(y^3 - 3*y^4 + 3*y^5 - y^6 + 5*y^2*z - 16*y^3*z + 20*y^4*z - 12*y^5*z + 3*y^6*z + 3*y*z^2 - 19*y^2*z^2 + 34*y^3*z^2 - 27*y^4*z^2 + 9*y^5*z^2 + z^3 - 10*y*z^3 + 25*y^2*z^3 - 24*y^3*z^3 + 10*y^4*z^3 - 2*z^4 + 9*y*z^4 - 10*y^2*z^4 + 5*y^3*z^4 + z^5 - 2*y*z^5 + y^2*z^5))/((-1 + y)^2*y^2*(-1 + y + z)^2*(y + z)^2))* G[1, 0, z] - ((-1 + y + z)*(-y^2 + 5*y*z + 2*y^2*z + 2*z^2 - 2*z^3)* G[1, 1, y])/(y*z*(y + z)) + G[0, z]* ((-2*z^2*(-1 + 2*y + z)*(1 - y + y^2 - z + y*z))/ ((-1 + y)*y*(-1 + y + z)*(y + z)) + (Pi^2*z*(2 - 5*y + 10*y^3 - 10*y^4 + 3*y^5 - 4*z + 2*y*z + 10*y^2*z - 10*y^3*z + 2*y^4*z + 2*z^2 + 9*y*z^2 - 14*y^2*z^2 + 3*y^3*z^2 - 6*y*z^3 + 2*y^2*z^3))/(6*(-1 + y)^3*(-1 + y + z)^2) + (((2*I)*Pi*z*(-2 + y + 2*z))/y + (2*z*(1 - 4*y + 5*y^2 - 3*y^3 + y^4 - 2*z + 6*y*z - 4*y^2*z + 2*y^3*z + z^2 - 2*y*z^2 + y^2*z^2))/((-1 + y)^2*y^2))*G[1, y] - (z*(-1 - y + z)*(-3 + 2*y + 3*z)*G[0, 0, y])/(-1 + y + z)^2 + (z*(-2 + 12*y - 26*y^2 + 29*y^3 - 16*y^4 + 3*y^5 + 4*z - 18*y*z + 30*y^2*z - 28*y^3*z + 8*y^4*z - 2*z^2 + 6*y*z^2 - 6*y^2*z^2 + 2*y^3*z^2)*G[0, 1, y])/((-1 + y)^3*y^2) - (z*(-2*y + 5*y^2 - 5*y^3 + y^4 + 3*y^5 + 2*z - 9*y^2*z + 8*y^3*z + 7*y^4*z - 5*z^2 - 3*y*z^2 + 18*y^2*z^2 + z^3 + 16*y*z^3 - 12*y^2*z^3 + 5*z^4 - 11*y*z^4 - 3*z^5)*G[1, 0, y])/ ((-1 + y + z)^2*(y + z)^3) - ((1 + 2*y - z)*z*(-2 + y + 2*z)* G[1, 1, y])/y^2) + G[-y, z]* (-(((y - y^2 + y^3 + 2*z - 2*y*z - 4*z^2 + y*z^2 + 2*z^3)*G[0, 1, y])/ y^2) - (y*(1 - y - 2*z + 2*y*z + 2*z^2)*G[1, 0, y])/z^2 + ((y^3 - y^4 - 2*y^2*z + 2*y^3*z + 2*y^4*z + 4*y^2*z^2 - 3*y^3*z^2 - 2*z^3 - 3*y*z^3 + 4*z^4 + 3*y*z^4 - 2*z^5)*G[1, 1, y])/ (y^2*z^2)) + (((2*I)*Pi*z*(-2 + y + 2*z))/y + (2*z*(1 - 4*y + 5*y^2 - 3*y^3 + y^4 - 2*z + 6*y*z - 4*y^2*z + 2*y^3*z + z^2 - 2*y*z^2 + y^2*z^2))/((-1 + y)^2*y^2))* G[1 - y, 0, z] - ((-1 + y + z)*(-y^2 + 5*y*z + 2*y^2*z + 2*z^2 - 2*z^3)*G[1 - y, 1 - y, z])/(y*z*(y + z)) + (((2*I)*Pi*(y - 2*y^2 - 2*y*z + 2*y^2*z + 2*z^2 - 2*z^3))/(y*z) - (2*y^3 - 10*y^4 + 18*y^5 - 14*y^6 + 4*y^7 + 2*y^2*z - 11*y^3*z + 22*y^4*z - 19*y^5*z + 6*y^6*z - 7*y^2*z^2 + 14*y^3*z^2 - 7*y^4*z^2 + 2*z^3 - 10*y*z^3 + 16*y^2*z^3 - 6*y^3*z^3 + 2*y^4*z^3 - 4*z^4 + 14*y*z^4 - 12*y^2*z^4 + 6*y^3*z^4 + 2*z^5 - 4*y*z^5 + 2*y^2*z^5)/((-1 + y)^2*y^2*z^2))*G[-y, 1 - y, z] + G[0, y]*(((-4*I)*Pi*y)/(-1 + y) - (2*y*(-y + 4*y^2 - 5*y^3 + 2*y^4 + y*z - 7*y^2*z + 6*y^3*z - 2*z^2 + 7*y^2*z^2 + 2*z^3 + 3*y*z^3))/ ((-1 + y)*z*(-1 + y + z)*(y + z)) - (Pi^2*(2 - 11*y + 15*y^2 - 6*y^3 - 9*z + 24*y*z - 18*y^2*z + 2*y^3*z + 15*z^2 - 15*y*z^2 + 3*y^2*z^2 - 11*z^3 + 2*y*z^3 + 3*z^4))/(6*(-1 + z)*(-1 + y + z)^2) + (((-2*I)*Pi*(1 + y - z)*z)/(-1 + y + z) - (2*z*(-y + 2*y^2 - y^3 + y^4 + z - y^2*z + 2*y^3*z - 2*z^2 + y*z^2 + y^2*z^2 + z^3))/((-1 + y + z)^2*(y + z)^2))*G[0, z] + (((-2*I)*Pi*(-1 + z)*(-1 + 2*y + z))/z + (2*(-1 + y)*(y + z)*(-1 + 2*y + z))/z^2)*G[1 - y, z] + ((1 + y - z)*z*(-2 + 3*y + 2*z)*G[0, 0, z])/(-1 + y + z)^2 - ((-1 + 2*y + z)*(3 - 8*z + 3*z^2)*G[0, 1 - y, z])/((-1 + z)*z) - (2*y*(-1 + z)*z*G[1, 0, z])/(-1 + y + z)^2 - ((y^3 + 2*y*z + y^3*z + 3*y^4*z - 2*z^2 + 3*y*z^2 + 3*y^2*z^2 + 6*y^3*z^2 + 4*z^3 + 3*y*z^3 + z^4 - 6*y*z^4 - 3*z^5)* G[1 - y, 0, z])/((-1 + y + z)*(y + z)^3) - ((y - y^2 - 2*z + 2*y*z + 2*y^2*z + 4*z^2 - 3*y*z^2 - 2*z^3)* G[1 - y, 1 - y, z])/z^2 - (y*(1 - y - 2*z + 2*y*z + 2*z^2)* G[-y, 1 - y, z])/z^2) + G[1, y]*(((4*I)*Pi*(-1 + y + z))/(y + z) + (2*(-1 + y + z)*(y^2 - 3*y^3 + 2*y^4 - 3*y*z + 2*y^2*z + 2*y^3*z + z^2 - y*z^2 + y^2*z^2 - z^3 + y*z^3))/((-1 + y)*y*z*(y + z)) + (Pi^2*(y^4 - 8*y^5 + 31*y^6 - 70*y^7 + 95*y^8 - 76*y^9 + 33*y^10 - 6*y^11 + 7*y^3*z - 52*y^4*z + 182*y^5*z - 381*y^6*z + 501*y^7*z - 406*y^8*z + 188*y^9*z - 41*y^10*z + 2*y^11*z + 7*y^2*z^2 - 81*y^3*z^2 + 360*y^4*z^2 - 857*y^5*z^2 + 1202*y^6*z^2 - 1012*y^7*z^2 + 491*y^8*z^2 - 118*y^9*z^2 + 8*y^10*z^2 + 7*y*z^3 - 82*y^2*z^3 + 414*y^3*z^3 - 1127*y^4*z^3 + 1760*y^5*z^3 - 1594*y^6*z^3 + 817*y^7*z^3 - 213*y^8*z^3 + 18*y^9*z^3 + 2*z^4 - 47*y*z^4 + 309*y^2*z^4 - 999*y^3*z^4 + 1800*y^4*z^4 - 1826*y^5*z^4 + 1018*y^6*z^4 - 294*y^7*z^4 + 33*y^8*z^4 - 10*z^5 + 124*y*z^5 - 556*y^2*z^5 + 1258*y^3*z^5 - 1530*y^4*z^5 + 980*y^5*z^5 - 320*y^6*z^5 + 46*y^7*z^5 + 20*z^6 - 166*y*z^6 + 535*y^2*z^6 - 851*y^3*z^6 + 673*y^4*z^6 - 255*y^5*z^6 + 44*y^6*z^6 - 20*z^7 + 119*y*z^7 - 276*y^2*z^7 + 293*y^3*z^7 - 136*y^4*z^7 + 28*y^5*z^7 + 10*z^8 - 43*y*z^8 + 69*y^2*z^8 - 43*y^3*z^8 + 11*y^4*z^8 - 2*z^9 + 6*y*z^9 - 6*y^2*z^9 + 2*y^3*z^9))/(6*(-1 + y)^3*y^2*(-1 + z)*(-1 + y + z)^2* (y + z)^3) - ((-1 + y + z)*(-y^2 + 5*y*z + 2*y^2*z + 2*z^2 - 2*z^3)*G[1 - y, z])/(y*z*(y + z)) + (((2*I)*Pi*(y - 2*y^2 - 2*y*z + 2*y^2*z + 2*z^2 - 2*z^3))/(y*z) - (2*y^3 - 10*y^4 + 18*y^5 - 14*y^6 + 4*y^7 + 2*y^2*z - 11*y^3*z + 22*y^4*z - 19*y^5*z + 6*y^6*z - 7*y^2*z^2 + 14*y^3*z^2 - 7*y^4*z^2 + 2*z^3 - 10*y*z^3 + 16*y^2*z^3 - 6*y^3*z^3 + 2*y^4*z^3 - 4*z^4 + 14*y*z^4 - 12*y^2*z^4 + 6*y^3*z^4 + 2*z^5 - 4*y*z^5 + 2*y^2*z^5)/((-1 + y)^2*y^2*z^2))*G[-y, z] - (z*(-1 + 3*y + z)*(-2 + y + 2*z)*G[0, 0, z])/y^2 - ((1 + 2*y - z)*z*(-2 + y + 2*z)*G[0, 1 - y, z])/y^2 + ((3*y^2 - 15*y^3 + 27*y^4 - 21*y^5 + 6*y^6 - 11*y^2*z + 49*y^3*z - 81*y^4*z + 59*y^5*z - 16*y^6*z + 2*z^2 - 12*y*z^2 + 37*y^2*z^2 - 68*y^3*z^2 + 67*y^4*z^2 - 32*y^5*z^2 + 6*y^6*z^2 - 6*z^3 + 30*y*z^3 - 59*y^2*z^3 + 66*y^3*z^3 - 33*y^4*z^3 + 6*y^5*z^3 + 6*z^4 - 24*y*z^4 + 36*y^2*z^4 - 30*y^3*z^4 + 8*y^4*z^4 - 2*z^5 + 6*y*z^5 - 6*y^2*z^5 + 2*y^3*z^5)*G[0, -y, z])/ ((-1 + y)^3*y^2*(-1 + z)*z) - (2*(-1 + z)*z*(-1 + y + z)* G[1, 0, z])/y^2 - ((1 + 2*y - z)*z*(-2 + y + 2*z)*G[1 - y, 0, z])/ y^2 - ((3*y - 15*y^2 + 27*y^3 - 21*y^4 + 6*y^5 - 5*y*z + 20*y^2*z - 30*y^3*z + 20*y^4*z - 5*y^5*z + 5*z^2 - 14*y*z^2 + 6*y^2*z^2 + 11*y^3*z^2 - 11*y^4*z^2 + 3*y^5*z^2 - 10*z^3 + 31*y*z^3 - 24*y^2*z^3 + 7*y^3*z^3 + 5*z^4 - 15*y*z^4 + 9*y^2*z^4 - 3*y^3*z^4)*G[1 - y, -y, z])/((-1 + y)^3*y*(-1 + z)*z) + ((-1 + z)*(-y - 2*z + 2*y*z + 2*z^2)*G[-y, 0, z])/y^2 + ((y^3 - y^4 - 2*y^2*z + 2*y^3*z + 2*y^4*z + 4*y^2*z^2 - 3*y^3*z^2 - 2*z^3 - 3*y*z^3 + 4*z^4 + 3*y*z^4 - 2*z^5)*G[-y, 1 - y, z])/ (y^2*z^2) + ((y^3 - y^4 - 2*y^3*z + 2*y^4*z - y*z^2 + y^2*z^2 + y^3*z^2 - 2*z^3 + 2*y*z^3 + 4*z^4 - y*z^4 - 2*z^5)*G[-y, -y, z])/ (y^2*z^2)) - ((-3*y^2 + 15*y^3 - 27*y^4 + 21*y^5 - 6*y^6 + 2*z - 11*y*z + 26*y^2*z - 37*y^3*z + 30*y^4*z - 12*y^5*z + 2*y^6*z - 6*z^2 + 28*y*z^2 - 50*y^2*z^2 + 51*y^3*z^2 - 22*y^4*z^2 + 3*y^5*z^2 + 6*z^3 - 23*y*z^3 + 33*y^2*z^3 - 27*y^3*z^3 + 7*y^4*z^3 - 2*z^4 + 6*y*z^4 - 6*y^2*z^4 + 2*y^3*z^4)*G[0, 0, 1, y])/ ((-1 + y)^3*y^2*(-1 + z)) - (z*(-1 + 3*y + z)*(-2 + y + 2*z)* G[0, 0, 1 - y, z])/y^2 + ((-3*y^3 + 9*y^4 - 6*y^5 - 2*y*z - 6*y^2*z + 37*y^3*z - 29*y^4*z + 2*y^5*z + 2*z^2 - 7*y*z^2 + 54*y^2*z^2 - 61*y^3*z^2 + 8*y^4*z^2 - 8*z^3 + 39*y*z^3 - 69*y^2*z^3 + 15*y^3*z^3 + 13*z^4 - 41*y*z^4 + 17*y^2*z^4 - 10*z^5 + 11*y*z^5 + 3*z^6)*G[0, 1, 0, y])/((-1 + z)*(-1 + y + z)* (y + z)^3) + ((-1 + 2*y + z)*(y^3 - 3*y^4 + 3*y^5 - y^6 + 5*y^2*z - 10*y^3*z + 2*y^4*z + 6*y^5*z - 3*y^6*z + y*z^2 + 7*y^2*z^2 - 35*y^3*z^2 + 42*y^4*z^2 - 18*y^5*z^2 + 3*y^6*z^2 + z^3 + 10*y*z^3 - 51*y^2*z^3 + 71*y^3*z^3 - 36*y^4*z^3 + 9*y^5*z^3 + 4*z^4 - 26*y*z^4 + 51*y^2*z^4 - 30*y^3*z^4 + 9*y^4*z^4 - 5*z^5 + 15*y*z^5 - 9*y^2*z^5 + 3*y^3*z^5)*G[0, 1, 0, z])/((-1 + y)^3*y*(-1 + y + z)* (y + z)^3) + ((1 + 2*y - z)*z*(-2 + y + 2*z)*G[0, 1, 1, y])/y^2 - (z*(-1 + 3*y + z)*(-2 + y + 2*z)*G[0, 1 - y, 0, z])/y^2 - ((1 + 2*y - z)*z*(-2 + y + 2*z)*G[0, 1 - y, 1 - y, z])/y^2 + ((3*y^2 - 15*y^3 + 27*y^4 - 21*y^5 + 6*y^6 - 11*y^2*z + 49*y^3*z - 81*y^4*z + 59*y^5*z - 16*y^6*z + 2*z^2 - 12*y*z^2 + 37*y^2*z^2 - 68*y^3*z^2 + 67*y^4*z^2 - 32*y^5*z^2 + 6*y^6*z^2 - 6*z^3 + 30*y*z^3 - 59*y^2*z^3 + 66*y^3*z^3 - 33*y^4*z^3 + 6*y^5*z^3 + 6*z^4 - 24*y*z^4 + 36*y^2*z^4 - 30*y^3*z^4 + 8*y^4*z^4 - 2*z^5 + 6*y*z^5 - 6*y^2*z^5 + 2*y^3*z^5)*G[0, -y, 1 - y, z])/ ((-1 + y)^3*y^2*(-1 + z)*z) - ((1 + y - z)*z*(-3 + 2*y + 3*z)* G[1, 0, 0, y])/(-1 + y + z)^2 + ((-1 + z)*z*(-1 + 2*y + z)* (2 - 7*y + 7*y^2 - 4*z + 7*y*z + 2*z^2)*G[1, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((-3*y + 15*y^2 - 27*y^3 + 21*y^4 - 6*y^5 - 5*z + 21*y*z - 32*y^2*z + 25*y^3*z - 11*y^4*z + 2*y^5*z + 10*z^2 - 33*y*z^2 + 30*y^2*z^2 - 13*y^3*z^2 + 2*y^4*z^2 - 5*z^3 + 15*y*z^3 - 9*y^2*z^3 + 3*y^3*z^3)*G[1, 0, 1, y])/((-1 + y)^3*y*(-1 + z)) - (2*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1 - y, z])/y^2 - ((3*y^3 - 12*y^4 + 15*y^5 - 6*y^6 - 2*y*z + 14*y^2*z - 51*y^3*z + 75*y^4*z - 36*y^5*z + 2*y^6*z + 2*z^2 + 11*y*z^2 - 80*y^2*z^2 + 157*y^3*z^2 - 97*y^4*z^2 + 9*y^5*z^2 - 4*z^3 - 45*y*z^3 + 165*y^2*z^3 - 149*y^3*z^3 + 22*y^4*z^3 - 4*z^4 + 84*y*z^4 - 135*y^2*z^4 + 36*y^3*z^4 + 16*z^5 - 67*y*z^5 + 36*y^2*z^5 - 14*z^6 + 19*y*z^6 + 4*z^7)*G[1, 1, 0, y])/((-1 + z)*(-1 + y + z)^2* (y + z)^3) + ((-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 4*y*z + 3*y^2*z - 4*z^2 + 3*y*z^2 + 2*z^3)*G[1, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (2*(-1 + z)*z*(-1 + y + z)*G[1, 1 - y, 0, z])/ y^2 - (z*(-1 + 3*y + z)*(-2 + y + 2*z)*G[1 - y, 0, 0, z])/y^2 - ((1 + 2*y - z)*z*(-2 + y + 2*z)*G[1 - y, 0, 1 - y, z])/y^2 + ((-y^4 + 3*y^5 - 3*y^6 + y^7 - 7*y^3*z + 26*y^4*z - 34*y^5*z + 8*y^6*z + 23*y^7*z - 22*y^8*z + 6*y^9*z - 7*y^2*z^2 + 33*y^3*z^2 - 52*y^4*z^2 + 3*y^5*z^2 + 81*y^6*z^2 - 80*y^7*z^2 + 22*y^8*z^2 - 7*y*z^3 + 42*y^2*z^3 - 87*y^3*z^3 + 52*y^4*z^3 + 72*y^5*z^3 - 108*y^6*z^3 + 32*y^7*z^3 - 2*z^4 + 26*y*z^4 - 85*y^2*z^4 + 110*y^3*z^4 - 25*y^4*z^4 - 58*y^5*z^4 + 22*y^6*z^4 + 6*z^5 - 37*y*z^5 + 80*y^2*z^5 - 69*y^3*z^5 + 4*y^4*z^5 + 4*y^5*z^5 - 6*z^6 + 24*y*z^6 - 36*y^2*z^6 + 18*y^3*z^6 - 4*y^4*z^6 + 2*z^7 - 6*y*z^7 + 6*y^2*z^7 - 2*y^3*z^7)*G[1 - y, 1, 0, z])/ ((-1 + y)^3*y^2*(-1 + y + z)*(y + z)^3) - ((1 + 2*y - z)*z*(-2 + y + 2*z)*G[1 - y, 1 - y, 0, z])/y^2 - ((3*y - 15*y^2 + 27*y^3 - 21*y^4 + 6*y^5 - 5*y*z + 20*y^2*z - 30*y^3*z + 20*y^4*z - 5*y^5*z + 5*z^2 - 14*y*z^2 + 6*y^2*z^2 + 11*y^3*z^2 - 11*y^4*z^2 + 3*y^5*z^2 - 10*z^3 + 31*y*z^3 - 24*y^2*z^3 + 7*y^3*z^3 + 5*z^4 - 15*y*z^4 + 9*y^2*z^4 - 3*y^3*z^4)* G[1 - y, -y, 1 - y, z])/((-1 + y)^3*y*(-1 + z)*z) + ((-1 + z)*(-y - 2*z + 2*y*z + 2*z^2)*G[-y, 0, 1 - y, z])/y^2 + ((-1 + z)*(-y - 2*z + 2*y*z + 2*z^2)*G[-y, 1 - y, 0, z])/y^2 + ((y^3 - y^4 - 2*y^2*z + 2*y^3*z + 2*y^4*z + 4*y^2*z^2 - 3*y^3*z^2 - 2*z^3 - 3*y*z^3 + 4*z^4 + 3*y*z^4 - 2*z^5)*G[-y, 1 - y, 1 - y, z])/ (y^2*z^2) + ((y^3 - y^4 - 2*y^3*z + 2*y^4*z - y*z^2 + y^2*z^2 + y^3*z^2 - 2*z^3 + 2*y*z^3 + 4*z^4 - y*z^4 - 2*z^5)* G[-y, -y, 1 - y, z])/(y^2*z^2) + ((9 - 54*y + 126*y^2 - 144*y^3 + 81*y^4 - 18*y^5 - 20*z + 88*y*z - 156*y^2*z + 134*y^3*z - 52*y^4*z + 6*y^5*z + 13*z^2 - 13*y*z^2 + 12*y^2*z^2 - 19*y^3*z^2 + 7*y^4*z^2 - 2*z^3 - 39*y*z^3 + 36*y^2*z^3 - 7*y^3*z^3 + 18*y*z^4 - 6*y^2*z^4)*Zeta[3])/ ((-1 + y)^3*(-1 + z)*(-1 + y + z)))/Nc + Nc*((7*Pi^4*y)/(60*(-1 + y + z)) - ((I/3)*Pi^3*(1 + y - z)*z)/ (-1 + y + z) + (((4*I)/3)*Pi*z*(-1 + 2*y + z)*(-1 + 2*z))/ ((-1 + y)*(y + z)) - ((-1 + 2*y + z)*(-9*y + 9*y^2 + 25*z + 9*y*z - 68*z^2))/(9*(-1 + y)*(y + z)) - (Pi^2*(-7*y^4 + 28*y^5 - 42*y^6 + 28*y^7 - 7*y^8 + 3*y^3*z + 28*y^4*z - 116*y^5*z + 150*y^6*z - 79*y^7*z + 14*y^8*z + 58*y^2*z^2 - 206*y^3*z^2 + 158*y^4*z^2 + 142*y^5*z^2 - 224*y^6*z^2 + 72*y^7*z^2 + 46*y*z^3 - 328*y^2*z^3 + 597*y^3*z^3 - 251*y^4*z^3 - 166*y^5*z^3 + 102*y^6*z^3 + 14*z^4 - 196*y*z^4 + 621*y^2*z^4 - 632*y^3*z^4 + 173*y^4*z^4 + 4*y^5*z^4 - 42*z^5 + 282*y*z^5 - 507*y^2*z^5 + 329*y^3*z^5 - 94*y^4*z^5 + 42*z^6 - 160*y*z^6 + 170*y^2*z^6 - 68*y^3*z^6 - 14*z^7 + 28*y*z^7 - 14*y^2*z^7))/(12*(-1 + y)^2*y*z*(-1 + y + z)^2*(y + z)^2) + G[0, 0, z]*(-((Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2) - (7*(-1 + z)*z*(-1 + 2*y + z))/(y*(-1 + y + z)) - (6*y*(-1 + z)*z*G[0, 1, y])/(-1 + y + z)^2 - (6*(-1 + z)*z*(-1 + y + z)*G[1, 0, y])/y^2) + G[0, 1 - y, z]*(((2*I)*Pi*z*(-2 + y + 2*z))/y + (3*y - 12*y^2 + 15*y^3 - 6*y^4 + 4*z - 43*y*z + 107*y^2*z - 84*y^3*z + 16*y^4*z - 8*z^2 + 48*y*z^2 - 88*y^2*z^2 + 32*y^3*z^2 + 4*z^3 - 8*y*z^3 + 4*y^2*z^3)/(2*(-1 + y)^2*y^2) - (Pi^2*(y^3 - 2*z + 4*y*z - 2*y^2*z + 6*z^2 - 8*y*z^2 + 2*y^2*z^2 - 6*z^3 + 4*y*z^3 + 2*z^4))/(2*y^2*(-1 + y + z)) + (6*(-1 + z)*z*(-1 + y + z)*G[1, 0, y])/y^2) + ((Pi^2*(-1 + z)*z*(-1 + y + z))/y^2 - ((4*I)*Pi*(-1 + z)*z* (-1 + 2*y + z))/(y*(-1 + y + z)) - ((-1 + z)*(-1 + 2*y + z)* (-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - 25*y^2*z + 38*y^3*z + 17*y^4*z - 48*y^5*z + 18*y^6*z - 3*y*z^2 - 7*y^2*z^2 + 118*y^3*z^2 - 162*y^4*z^2 + 54*y^5*z^2 + 4*z^3 - 31*y*z^3 + 133*y^2*z^3 - 180*y^3*z^3 + 58*y^4*z^3 - 8*z^4 + 42*y*z^4 - 76*y^2*z^4 + 26*y^3*z^4 + 4*z^5 - 8*y*z^5 + 4*y^2*z^5))/(2*(-1 + y)^2*y^2* (-1 + y + z)^2*(y + z)^2))*G[1, 0, z] + G[0, -y, z]*((-3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1, 0, y])/y^2 + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1, 1, y])/y^2) + (Pi^2*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1, 1, z])/(y^2*(-1 + y + z)^2) - (Pi^2*(-1 + z)*(-1 + 2*y + z)* G[1, 1 - y, z])/(2*y*(-1 + y + z)) + (((2*I)*Pi*z*(-2 + y + 2*z))/y + (3*y - 12*y^2 + 15*y^3 - 6*y^4 + 4*z - 43*y*z + 107*y^2*z - 84*y^3*z + 16*y^4*z - 8*z^2 + 48*y*z^2 - 88*y^2*z^2 + 32*y^3*z^2 + 4*z^3 - 8*y*z^3 + 4*y^2*z^3)/ (2*(-1 + y)^2*y^2) - (Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(2*y^2*z^2))*G[1 - y, 0, z] + G[0, 0, y]*((Pi^2*y*(-1 + y - z + 2*z^2))/(2*(-1 + y + z)^2) + (7*y - 21*y^2 + 21*y^3 - 7*y^4 - 4*z - 19*y*z + 64*y^2*z - 55*y^3*z + 14*y^4*z + 16*z^2 - 4*y*z^2 - 40*y^2*z^2 + 28*y^3*z^2 - 20*z^3 + 16*y*z^3 + 8*z^4)/(2*(-1 + y)^2*z*(-1 + y + z)) + (3*y*(-1 + y - z + 2*z^2)*G[0, 1 - y, z])/(-1 + y + z)^2 + (3*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, 0, z])/z^2) - (Pi^2*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, z])/y^2 + ((Pi^2*(-1 + y + z))/(2*y) + (7*y^3 - 7*y^4 + 4*y^2*z - 29*y^3*z + 14*y^4*z - 13*y*z^2 - y^2*z^2 + 28*y^3*z^2 - 14*z^3 + 41*y*z^3 + 28*z^4 - 28*y*z^4 - 14*z^5)/(2*y*z*(y + z)^2))* G[1 - y, 1 - y, z] + (((2*I)*Pi*(y - 2*y^2 - 2*y*z + 2*y^2*z + 2*z^2 - 2*z^3))/(y*z) - (Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/(2*y^2*z^2) - (4*y^3 - 20*y^4 + 36*y^5 - 28*y^6 + 8*y^7 - 14*y^2*z + 41*y^3*z - 28*y^4*z - 11*y^5*z + 12*y^6*z + 3*y*z^2 + 34*y^2*z^2 - 74*y^3*z^2 + 43*y^4*z^2 - 6*y^5*z^2 + 4*z^3 - 29*y*z^3 + 59*y^2*z^3 - 54*y^3*z^3 + 4*y^4*z^3 - 8*z^4 + 34*y*z^4 - 60*y^2*z^4 + 18*y^3*z^4 + 4*z^5 - 8*y*z^5 + 4*y^2*z^5)/ (2*(-1 + y)^2*y^2*z^2))*G[-y, 1 - y, z] + G[0, 1, y]*(((-2*I)*Pi*z*(-2 + y + 2*z))/y - (Pi^2*(y^3 + 2*z - 4*y*z + 2*y^2*z - 6*z^2 + 8*y*z^2 - 2*y^2*z^2 + 6*z^3 - 4*y*z^3 - 2*z^4))/(2*y^2*(-1 + y + z)) - (-7*y^3 + 14*y^4 - 7*y^5 + 3*y*z + 8*y^2*z - 2*y^3*z - 23*y^4*z + 14*y^5*z + 4*z^2 - 29*y*z^2 + 71*y^2*z^2 - 78*y^3*z^2 + 16*y^4*z^2 - 8*z^3 + 34*y*z^3 - 60*y^2*z^3 + 18*y^3*z^3 + 4*z^4 - 8*y*z^4 + 4*y^2*z^4)/(2*(-1 + y)^2*y^2*z) - (3*y*G[0, 1 - y, z])/ (-1 + y + z) - (6*y*(-1 + z)*z*G[1, 0, z])/(-1 + y + z)^2 + (3*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[1, 1 - y, z])/ (y^2*(-1 + y + z)) - (3*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, 0, z])/ z^2 + (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, 1 - y, z])/(y^2*z^2) - (3*y*(-1 + y + z)*(-1 + 2*z)* G[-y, 1 - y, z])/z^2 - (3*y*(-1 + y + z)*(-1 + 2*z)*G[-y, -y, z])/ z^2) + G[1, 0, y]*(((2*I)*Pi*(1 + y - z)*z)/(-1 + y + z) - (Pi^2*(-1 + y + z)*(y + 2*z - 2*z^2))/(2*y^2) - (7*y^2 - 21*y^3 + 21*y^4 - 7*y^5 + 5*y*z - 67*y^2*z + 130*y^3*z - 82*y^4*z + 14*y^5*z + 14*z^2 - 128*y*z^2 + 331*y^2*z^2 - 272*y^3*z^2 + 54*y^4*z^2 - 66*z^3 + 324*y*z^3 - 388*y^2*z^3 + 94*y^3*z^3 + 102*z^4 - 253*y*z^4 + 94*y^2*z^4 - 62*z^5 + 52*y*z^5 + 12*z^6)/(2*z*(-1 + y + z)^2*(y + z)^2) - (6*(-1 + z)*z*(-1 + y + z)*G[1, 0, z])/y^2 - (3*(1 - 3*y + 2*y^2 - z)*(-1 + z)^2*G[1, 1 - y, z])/ (y*(-1 + y + z)^2) + (6*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, z])/ y^2 + (3*(-1 + y + z)*(-y^2 + 2*y^2*z - z^2)*G[1 - y, 1 - y, z])/ (y*z^2) - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[-y, 0, z])/(y^2*z^2) + (3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[-y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, -y, z])/y^2) + G[1, 1, y]*((Pi^2*(-1 + 3*y - 3*y^2 + y^3 + 3*z - 6*y*z + 5*y^2*z - 3*z^2 + 3*y*z^2 - 2*y^2*z^2 + z^3))/(2*y*(-1 + y + z)^2) + (7*y^3 - 7*y^4 + 4*y^2*z - 29*y^3*z + 14*y^4*z - 13*y*z^2 - y^2*z^2 + 28*y^3*z^2 - 14*z^3 + 41*y*z^3 + 28*z^4 - 28*y*z^4 - 14*z^5)/(2*y*z*(y + z)^2) + (3*y*(-1 + y + z)*(-1 + 2*z)* G[-y, 0, z])/z^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)*G[-y, -y, z])/(y^2*z^2)) - ((6*y^3 - 24*y^4 + 36*y^5 - 24*y^6 + 6*y^7 - 27*y^3*z + 99*y^4*z - 135*y^5*z + 81*y^6*z - 18*y^7*z + 2*z^2 + 2*y*z^2 - 26*y^2*z^2 + 51*y^3*z^2 - 77*y^4*z^2 + 87*y^5*z^2 - 43*y^6*z^2 + 4*y^7*z^2 - 8*z^3 + 64*y^2*z^3 - 51*y^3*z^3 - 7*y^4*z^3 - 8*y^5*z^3 + 10*y^6*z^3 + 12*z^4 - 12*y*z^4 - 44*y^2*z^4 + 15*y^3*z^4 + 17*y^4*z^4 - 4*y^5*z^4 - 8*z^5 + 16*y*z^5 + 8*y^3*z^5 + 2*z^6 - 6*y*z^6 + 6*y^2*z^6 - 2*y^3*z^6)*G[0, 0, 1, y])/ (2*(-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)) - ((1 + y - z)*z*(1 - y + 3*y^2 - 2*z + y*z + z^2)*G[0, 0, 1 - y, z])/ (y^2*(-1 + y + z)) - ((6*y^4 - 6*y^5 + 15*y^3*z - 42*y^4*z + 18*y^5*z - 17*y^2*z^2 - 21*y^3*z^2 + 46*y^4*z^2 - 26*y^5*z^2 + 8*y^6*z^2 - 22*y*z^3 + 101*y^2*z^3 - 72*y^3*z^3 - 28*y^4*z^3 + 38*y^5*z^3 - 12*z^4 + 118*y*z^4 - 258*y^2*z^4 + 120*y^3*z^4 + 42*y^4*z^4 + 48*z^5 - 230*y*z^5 + 268*y^2*z^5 - 34*y^3*z^5 - 72*z^6 + 194*y*z^6 - 94*y^2*z^6 + 48*z^7 - 60*y*z^7 - 12*z^8)* G[0, 1, 0, y])/(2*y*(-1 + z)*z*(-1 + y + z)*(y + z)^3) + ((-1 + 2*y + z)*(2*y^3 - 6*y^4 + 6*y^5 - 2*y^6 - 20*y^2*z + 52*y^3*z - 62*y^4*z + 48*y^5*z - 18*y^6*z - 13*y*z^2 + 53*y^2*z^2 - 94*y^3*z^2 + 120*y^4*z^2 - 72*y^5*z^2 + 6*y^6*z^2 - 7*z^3 + 32*y*z^3 - 57*y^2*z^3 + 106*y^3*z^3 - 108*y^4*z^3 + 18*y^5*z^3 + 5*z^4 - 13*y*z^4 + 30*y^2*z^4 - 72*y^3*z^4 + 18*y^4*z^4 + 2*z^5 - 6*y*z^5 - 18*y^2*z^5 + 6*y^3*z^5)*G[0, 1, 0, z])/ (2*(-1 + y)^3*y*(-1 + y + z)*(y + z)^3) + ((6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4)*G[0, 1, 1, y])/(2*y^2*z) - ((1 + y - z)*z*(1 - y + 3*y^2 - 2*z + y*z + z^2)*G[0, 1 - y, 0, z])/ (y^2*(-1 + y + z)) - ((6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4)* G[0, 1 - y, 1 - y, z])/(2*y^2*z) - ((-6*y^2 + 36*y^3 - 72*y^4 + 60*y^5 - 18*y^6 - 12*y*z + 58*y^2*z - 119*y^3*z + 138*y^4*z - 91*y^5*z + 26*y^6*z + 2*z^2 + 42*y*z^2 - 164*y^2*z^2 + 190*y^3*z^2 - 83*y^4*z^2 + 13*y^5*z^2 - 6*z^3 - 42*y*z^3 + 172*y^2*z^3 - 159*y^3*z^3 + 57*y^4*z^3 - 6*y^5*z^3 + 6*z^4 + 6*y*z^4 - 54*y^2*z^4 + 42*y^3*z^4 - 16*y^4*z^4 - 2*z^5 + 6*y*z^5 - 6*y^2*z^5 + 2*y^3*z^5)*G[0, -y, 1 - y, z])/ (2*(-1 + y)^3*y^2*(-1 + z)*z) + ((-6*y + 12*y^2 - 6*y^3 + 27*y*z - 39*y^2*z + 12*y^3*z + 6*z^2 - 43*y*z^2 + 26*y^2*z^2 - 12*z^3 + 22*y*z^3 + 6*z^4)*G[1, 0, 0, y])/ (2*z*(-1 + y + z)^2) - ((-1 + z)*z*(-1 + 2*y + z)* (1 - 5*y + 5*y^2 - 2*z + 5*y*z + z^2)*G[1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - ((6*y - 24*y^2 + 36*y^3 - 24*y^4 + 6*y^5 - 3*z - 15*y*z + 81*y^2*z - 123*y^3*z + 78*y^4*z - 18*y^5*z - z^2 + 49*y*z^2 - 169*y^2*z^2 + 189*y^3*z^2 - 54*y^4*z^2 - 22*y^5*z^2 + 8*y^6*z^2 + 21*z^3 - 107*y*z^3 + 256*y^2*z^3 - 232*y^3*z^3 + 52*y^4*z^3 + 10*y^5*z^3 - 27*z^4 + 97*y*z^4 - 198*y^2*z^4 + 140*y^3*z^4 - 28*y^4*z^4 + 10*z^5 - 30*y*z^5 + 54*y^2*z^5 - 18*y^3*z^5)*G[1, 0, 1, y])/(2*(-1 + y)^3*y*(-1 + z)*z* (-1 + y + z)) + ((-1 + z)*z*(1 - 5*y + 10*y^2 - 2*z + 5*y*z + z^2)* G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)) - ((-6*y^4 + 18*y^5 - 18*y^6 + 6*y^7 - 15*y^3*z + 81*y^4*z - 135*y^5*z + 87*y^6*z - 18*y^7*z + 17*y^2*z^2 + 37*y^3*z^2 - 258*y^4*z^2 + 309*y^5*z^2 - 111*y^6*z^2 + 4*y^7*z^2 + 22*y*z^3 - 134*y^2*z^3 - y^3*z^3 + 347*y^4*z^3 - 236*y^5*z^3 + 18*y^6*z^3 + 12*z^4 - 152*y*z^4 + 402*y^2*z^4 - 129*y^3*z^4 - 142*y^4*z^4 + 20*y^5*z^4 - 60*z^5 + 382*y*z^5 - 582*y^2*z^5 + 210*y^3*z^5 - 30*y^4*z^5 + 120*z^6 - 454*y*z^6 + 409*y^2*z^6 - 102*y^3*z^6 - 120*z^7 + 260*y*z^7 - 112*y^2*z^7 + 60*z^8 - 58*y*z^8 - 12*z^9)* G[1, 1, 0, y])/(2*y*(-1 + z)*z*(-1 + y + z)^2*(y + z)^3) + G[-y, z]*(((6*y^2 - 6*y^3 - 5*y*z - 13*y^2*z + 10*y^3*z + 2*z^2 + 7*y*z^2 + 6*y^2*z^2 - 4*z^3 - 2*y*z^3 + 2*z^4)*G[0, 1, y])/ (2*y^2*z) + ((y^2 - y^3 - 5*y^2*z + 2*y^3*z + 12*z^2 - 6*y*z^2 - 4*y^2*z^2 - 24*z^3 + 6*y*z^3 + 12*z^4)*G[1, 0, y])/(2*y*z^2) - ((y^3 - y^4 - 2*y^2*z - 7*y^3*z + 2*y^4*z + 15*y*z^2 + y^2*z^2 - 6*y^3*z^2 - 2*z^3 - 21*y*z^3 + 4*z^4 + 6*y*z^4 - 2*z^5)* G[1, 1, y])/(2*y^2*z^2) + (3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[0, 1, 0, y])/(y^2*z^2) - (3*y*(-1 + y + z)*(-1 + 2*z)*G[0, 1, 1, y])/z^2 - (3*y*(-1 + y + z)*(-1 + 2*z)*G[1, 0, 1, y])/z^2 + (3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1, 1, 0, y])/ (y^2*z^2)) - ((-1 + z)*(-1 + 2*y + z)*(-y + y^2 + z - 8*y*z + 9*y^2*z - 2*z^2 + 9*y*z^2 + z^3)*G[1, 1, 0, z])/ (y^2*(-1 + y + z)^2) + ((-1 + z)*z*(1 - 5*y + 10*y^2 - 2*z + 5*y*z + z^2)*G[1, 1 - y, 0, z])/(y^2*(-1 + y + z)) - ((1 + y - z)*z*(1 - y + 3*y^2 - 2*z + y*z + z^2)*G[1 - y, 0, 0, z])/ (y^2*(-1 + y + z)) - ((6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4)* G[1 - y, 0, 1 - y, z])/(2*y^2*z) + ((-2*y^4 + 6*y^5 - 6*y^6 + 2*y^7 + 22*y^3*z - 140*y^4*z + 346*y^5*z - 404*y^6*z + 232*y^7*z - 68*y^8*z + 12*y^9*z + 19*y^2*z^2 - 231*y^3*z^2 + 820*y^4*z^2 - 1266*y^5*z^2 + 936*y^6*z^2 - 346*y^7*z^2 + 68*y^8*z^2 + 13*y*z^3 - 195*y^2*z^3 + 888*y^3*z^3 - 1744*y^4*z^3 + 1602*y^5*z^3 - 702*y^6*z^3 + 154*y^7*z^3 + 2*z^4 - 68*y*z^4 + 469*y^2*z^4 - 1229*y^3*z^4 + 1414*y^4*z^4 - 716*y^5*z^4 + 176*y^6*z^4 - 6*z^5 + 103*y*z^5 - 413*y^2*z^5 + 636*y^3*z^5 - 376*y^4*z^5 + 104*y^5*z^5 + 6*z^6 - 54*y*z^6 + 126*y^2*z^6 - 90*y^3*z^6 + 28*y^4*z^6 - 2*z^7 + 6*y*z^7 - 6*y^2*z^7 + 2*y^3*z^7)*G[1 - y, 1, 0, z])/(2*(-1 + y)^3*y^2* (-1 + y + z)*(y + z)^3) - ((6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4)* G[1 - y, 1 - y, 0, z])/(2*y^2*z) - ((-12*y^2 + 36*y^3 - 36*y^4 + 12*y^5 + 15*z - 46*y*z + 49*y^2*z - 30*y^3*z + 22*y^4*z - 10*y^5*z - 32*z^2 + 101*y*z^2 - 87*y^2*z^2 + 22*y^3*z^2 - 10*y^4*z^2 + 6*y^5*z^2 + 19*z^3 - 61*y*z^3 + 24*y^2*z^3 + 2*y^3*z^3 - 2*z^4 + 6*y*z^4 + 18*y^2*z^4 - 6*y^3*z^4)* G[1 - y, -y, 1 - y, z])/(2*(-1 + y)^3*y*(-1 + z)*z) - ((6*y^2 - 6*y^3 - 5*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 + 9*y*z^2 + 6*y^2*z^2 - 4*z^3 - 4*y*z^3 + 2*z^4)*G[-y, 0, 1 - y, z])/ (2*y^2*z) - ((6*y^2 - 6*y^3 - 5*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 + 9*y*z^2 + 6*y^2*z^2 - 4*z^3 - 4*y*z^3 + 2*z^4)*G[-y, 1 - y, 0, z])/ (2*y^2*z) - ((y^3 - y^4 - 2*y^2*z - 7*y^3*z + 2*y^4*z + 15*y*z^2 + y^2*z^2 - 6*y^3*z^2 - 2*z^3 - 21*y*z^3 + 4*z^4 + 6*y*z^4 - 2*z^5)* G[-y, 1 - y, 1 - y, z])/(2*y^2*z^2) - ((y^3 - y^4 - 6*y^2*z + y^3*z + 2*y^4*z + 17*y*z^2 + 7*y^2*z^2 - 14*y^3*z^2 - 2*z^3 - 31*y*z^3 + 4*z^4 + 14*y*z^4 - 2*z^5)* G[-y, -y, 1 - y, z])/(2*y^2*z^2) + (3*y*G[0, 0, 0, 1, y])/ (-1 + y + z) - (3*(-y^3 + y^4 + 2*z - 6*y*z + 6*y^2*z - 3*y^3*z - 8*z^2 + 18*y*z^2 - 12*y^2*z^2 + 4*y^3*z^2 + 12*z^3 - 18*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[0, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (6*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2)*G[0, 0, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (3*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[0, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)) - (3*y*G[0, 1, 0, 1, y])/(-1 + y + z) + (3*(-y^3 + y^4 - 2*z + 6*y*z - 6*y^2*z + y^3*z + 8*z^2 - 18*y*z^2 + 12*y^2*z^2 - 12*z^3 + 18*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[0, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + (6*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)* G[0, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (3*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)* G[0, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)) + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[0, -y, 1 - y, 1 - y, z])/y^2 + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[0, -y, -y, 1 - y, z])/y^2 - (3*(-y + 3*y^2 - 3*y^3 + y^4 - 2*z + 9*y*z - 12*y^2*z + 3*y^3*z + 8*z^2 - 21*y*z^2 + 15*y^2*z^2 - 12*z^3 + 19*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[1, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) + (6*y*(-1 + z)*z*G[1, 0, 0, 1 - y, z])/(-1 + y + z)^2 + (3*(-1 + y + z)*G[1, 0, 1, 0, y])/y - (6*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (6*y*(-1 + z)*z*G[1, 0, 1 - y, 0, z])/(-1 + y + z)^2 + (3*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)) - (6*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2)*G[1, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) + (3*(-y + 3*y^2 - 3*y^3 + y^4 - 2*z + 9*y*z - 12*y^2*z + 7*y^3*z + 8*z^2 - 21*y*z^2 + 15*y^2*z^2 - 4*y^3*z^2 - 12*z^3 + 19*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)* G[1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (6*y*(-1 + z)*z*G[1, 1, 0, 1 - y, z])/(-1 + y + z)^2 - (3*(-1 + y + z)*G[1, 1, 1, 0, y])/y - (6*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (6*y*(-1 + z)*z*G[1, 1, 1 - y, 0, z])/(-1 + y + z)^2 + (6*y*(-1 + z)*z*G[1, 1 - y, 0, 0, z])/(-1 + y + z)^2 + (6*(-1 + z)*z*(-1 + y + z)*G[1, 1 - y, 1, 0, z])/y^2 + (3*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)* G[1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)) + (6*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 1, 0, z])/y^2 - (3*(-1 + y + z)*(y + z)*(-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3)*G[1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + (6*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, 0, 0, z])/y^2 + (6*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, 1, 0, z])/y^2 - (6*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1, 0, z])/y^2 + (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (6*(-1 + z)*z*(-1 + y + z)*G[-y, 0, 1, 0, z])/y^2 + (3*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 0, 1 - y, 1 - y, z])/z^2 + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, 0, -y, 1 - y, z])/y^2 + (3*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 1 - y, 0, 1 - y, z])/z^2 - (6*(-1 + z)*z*(-1 + y + z)*G[-y, 1 - y, 1, 0, z])/y^2 + (3*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 1 - y, 1 - y, 0, z])/z^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + (3*y*(-1 + y + z)*(-1 + 2*z)*G[-y, -y, 0, 1 - y, z])/z^2 + (3*y*(-1 + y + z)*(-1 + 2*z)*G[-y, -y, 1 - y, 0, z])/z^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, -y, -y, 1 - y, z])/(y^2*z^2) - ((24*y^2 - 96*y^3 + 144*y^4 - 96*y^5 + 24*y^6 - 108*y^2*z + 396*y^3*z - 540*y^4*z + 324*y^5*z - 72*y^6*z - 48*z^2 + 220*y*z^2 - 254*y^2*z^2 - 228*y^3*z^2 + 650*y^4*z^2 - 412*y^5*z^2 + 72*y^6*z^2 + 144*z^3 - 584*y*z^3 + 989*y^2*z^3 - 591*y^3*z^3 - 70*y^4*z^3 + 112*y^5*z^3 - 144*z^4 + 508*y*z^4 - 867*y^2*z^4 + 567*y^3*z^4 - 112*y^4*z^4 + 48*z^5 - 144*y*z^5 + 216*y^2*z^5 - 72*y^3*z^5)*Zeta[3])/(2*(-1 + y)^3*y*(-1 + z)*z*(-1 + y + z)) + G[0, z]*((-2*z*(-1 + 2*y + z)*(3*y - 3*y^2 + z - 4*y*z + y^2*z - z^2 + y*z^2))/((-1 + y)*y*(-1 + y + z)*(y + z)) + (Pi^2*(6*y^2 - 30*y^3 + 60*y^4 - 60*y^5 + 30*y^6 - 6*y^7 - 27*y^2*z + 120*y^3*z - 210*y^4*z + 180*y^5*z - 75*y^6*z + 12*y^7*z + 12*z^2 - 62*y*z^2 + 149*y^2*z^2 - 231*y^3*z^2 + 239*y^4*z^2 - 143*y^5*z^2 + 36*y^6*z^2 - 36*z^3 + 160*y*z^3 - 233*y^2*z^3 + 158*y^3*z^3 - 77*y^4*z^3 + 28*y^5*z^3 + 36*z^4 - 134*y*z^4 + 117*y^2*z^4 - 25*y^3*z^4 + 6*y^4*z^4 - 12*z^5 + 36*y*z^5 - 12*y^2*z^5 + 4*y^3*z^5))/(12*(-1 + y)^3*y*z* (-1 + y + z)^2) + (((2*I)*Pi*z*(-2 + y + 2*z))/y - (Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) + (3*y - 12*y^2 + 15*y^3 - 6*y^4 + 4*z - 43*y*z + 107*y^2*z - 84*y^3*z + 16*y^4*z - 8*z^2 + 48*y*z^2 - 88*y^2*z^2 + 32*y^3*z^2 + 4*z^3 - 8*y*z^3 + 4*y^2*z^3)/ (2*(-1 + y)^2*y^2))*G[1, y] - ((-6*y + 12*y^2 - 6*y^3 + 27*y*z - 39*y^2*z + 12*y^3*z + 6*z^2 - 43*y*z^2 + 26*y^2*z^2 - 12*z^3 + 22*y*z^3 + 6*z^4)*G[0, 0, y])/(2*z*(-1 + y + z)^2) + ((-6*y^3 + 24*y^4 - 36*y^5 + 24*y^6 - 6*y^7 + 21*y^3*z - 75*y^4*z + 99*y^5*z - 57*y^6*z + 12*y^7*z - 2*z^2 + 8*y*z^2 - 20*y^2*z^2 + 34*y^3*z^2 - 6*y^4*z^2 - 38*y^5*z^2 + 24*y^6*z^2 + 6*z^3 - 22*y*z^3 + 38*y^2*z^3 - 87*y^3*z^3 + 85*y^4*z^3 - 20*y^5*z^3 - 6*z^4 + 20*y*z^4 - 24*y^2*z^4 + 36*y^3*z^4 - 10*y^4*z^4 + 2*z^5 - 6*y*z^5 + 6*y^2*z^5 - 2*y^3*z^5)*G[0, 1, y])/(2*(-1 + y)^3*y^2*z* (-1 + y + z)) + ((6*y^4 - 18*y^5 + 18*y^6 - 6*y^7 + 15*y^3*z - 75*y^4*z + 117*y^5*z - 69*y^6*z + 12*y^7*z - 17*y^2*z^2 - 10*y^3*z^2 + 151*y^4*z^2 - 182*y^5*z^2 + 60*y^6*z^2 - 22*y*z^3 + 153*y^2*z^3 - 153*y^3*z^3 - 70*y^4*z^3 + 88*y^5*z^3 - 12*z^4 + 166*y*z^4 - 489*y^2*z^4 + 366*y^3*z^4 - 30*y^4*z^4 + 60*z^5 - 392*y*z^5 + 607*y^2*z^5 - 222*y^3*z^5 - 108*z^6 + 374*y*z^6 - 254*y^2*z^6 + 84*z^7 - 126*y*z^7 - 24*z^8)*G[1, 0, y])/ (2*y*z*(-1 + y + z)^2*(y + z)^3) - ((6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4)*G[1, 1, y])/(2*y^2*z) + (6*y*(-1 + z)*z*G[0, 0, 1, y])/(-1 + y + z)^2 + (6*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, y])/y^2 + (6*y*(-1 + z)*z*G[1, 0, 1, y])/(-1 + y + z)^2 + (6*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, y])/y^2 + (18*y*(-1 + z)*z*Zeta[3])/(-1 + y + z)^2) + G[0, y]*((((-4*I)/3)*Pi*(1 - 4*y + 3*y^2 - 3*z + 2*y*z + 2*z^2))/ (-1 + y)^2 - (2*(9*y^2 - 45*y^3 + 81*y^4 - 63*y^5 + 18*y^6 + 16*y*z - 47*y^2*z + 100*y^3*z - 123*y^4*z + 54*y^5*z - 11*z^2 + 78*y*z^2 - 86*y^2*z^2 - 56*y^3*z^2 + 75*y^4*z^2 + 44*z^3 - 142*y*z^3 + 18*y^2*z^3 + 63*y^3*z^3 - 55*z^4 + 36*y*z^4 + 36*y^2*z^4 + 22*z^5 + 12*y*z^5))/(9*(-1 + y)^2*z*(-1 + y + z)* (y + z)) - (Pi^2*(6*y^2 - 12*y^3 + 6*y^4 - 2*y*z - 31*y^2*z + 51*y^3*z - 18*y^4*z + 12*z^2 - 30*y*z^2 + 72*y^2*z^2 - 45*y^3*z^2 + 4*y^4*z^2 - 48*z^3 + 102*y*z^3 - 75*y^2*z^3 + 6*y^3*z^3 + 72*z^4 - 106*y*z^4 + 28*y^2*z^4 - 48*z^5 + 36*y*z^5 + 12*z^6))/(12*y*(-1 + z)*z*(-1 + y + z)^2) + (((-2*I)*Pi*(1 + y - z)*z)/(-1 + y + z) - (-3*y^2 + 9*y^3 - 6*y^4 + 11*y*z - 22*y^2*z - 4*y^3*z + 16*y^4*z - 2*z^2 - 39*y*z^2 + 32*y^2*z^2 + 32*y^3*z^2 - 8*z^3 + 52*y*z^3 + 4*y^2*z^3 + 22*z^4 - 24*y*z^4 - 12*z^5)/(2*(-1 + y + z)^2* (y + z)^2))*G[0, z] - (Pi^2*(-1 + z)*(-1 + 2*y + z)* (y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)* G[1, z])/(2*y^2*(-1 + y + z)^2) + (((-2*I)*Pi*(-1 + z)*(-1 + 2*y + z))/z + ((-1 + 2*y + z)*(-2*y + 2*y^2 + 7*z + 2*y*z - 6*z^2))/z^2 + (Pi^2*(-1 + y + z)*(y + z)*(-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3))/(2*y^2*z^2))*G[1 - y, z] + (z*(-2 + y + 2*z)*(3 - 5*y + 3*y^2 - 6*z + 5*y*z + 3*z^2)* G[0, 0, z])/(y*(-1 + y + z)^2) + ((-1 + 2*y + z)*(3*y - 3*y^2 + 6*z - 5*y*z + 2*y^2*z - 24*z^2 - y*z^2 + 3*y^2*z^2 + 30*z^3 + 3*y*z^3 - 12*z^4)*G[0, 1 - y, z])/ (y*(-1 + z)*z*(-1 + y + z)) + ((-1 + z)*z*(6 - 15*y + 10*y^2 - 12*z + 15*y*z + 6*z^2)*G[1, 0, z])/(y*(-1 + y + z)^2) + ((-6*y^4 + 18*y^5 - 12*y^6 - 15*y^3*z + 70*y^4*z - 90*y^5*z + 24*y^6*z + 17*y^2*z^2 + 24*y^3*z^2 - 164*y^4*z^2 + 102*y^5*z^2 + 22*y*z^3 - 114*y^2*z^3 - 12*y^3*z^3 + 132*y^4*z^3 + 12*z^4 - 134*y*z^4 + 228*y^2*z^4 - 48*z^5 + 214*y*z^5 - 132*y^2*z^5 + 60*z^6 - 102*y*z^6 - 24*z^7)*G[1 - y, 0, z])/(2*y*z*(-1 + y + z)* (y + z)^3) + ((y^2 - y^3 + 4*y*z - 13*y^2*z + 2*y^3*z + 12*z^2 - 14*y*z^2 + 6*y^2*z^2 - 24*z^3 + 10*y*z^3 + 12*z^4)* G[1 - y, 1 - y, z])/(2*y*z^2) + ((y^2 - y^3 - 5*y^2*z + 2*y^3*z + 12*z^2 - 6*y*z^2 - 4*y^2*z^2 - 24*z^3 + 6*y*z^3 + 12*z^4)*G[-y, 1 - y, z])/(2*y*z^2) - (3*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)*G[0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (6*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, 0, z])/y^2 - (3*(-1 + y + z)*(y + 2*z - 2*z^2)* G[0, 1 - y, 1 - y, z])/y^2 - (3*(-1 + y + z)*(y + 2*z - 2*z^2)* G[0, -y, 1 - y, z])/y^2 + (6*(-1 + z)*z*(-1 + y + z)* G[1, 0, 0, z])/y^2 - (3*(-1 + z)*(-1 + 2*y + z)* (y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)* G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (6*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, z])/y^2 - (6*(-1 + z)*z*(-1 + y + z)*G[1, 1 - y, 0, z])/y^2 - (6*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, z])/y^2 - (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1 - y, 0, 1 - y, z])/y^2 - (6*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, 0, z])/y^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1 - y, 1 - y, 0, z])/(y^2*z^2) - (3*(-1 + y + z)*(y + 2*z - 2*z^2)* G[-y, 0, 1 - y, z])/y^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[-y, 1 - y, 0, z])/(y^2*z^2) + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, 1 - y, 1 - y, z])/y^2 + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, -y, 1 - y, z])/y^2 - (9*y*(-1 + y - z + 2*z^2)*Zeta[3])/(-1 + y + z)^2) + G[1 - y, z]*((((4*I)/3)*Pi*(-2*y + 3*y^2 - 3*z + 4*y*z + 3*z^2))/ (y + z)^2 + (2*(-9*y^3 + 36*y^4 - 45*y^5 + 18*y^6 + 28*y^2*z - 4*y^3*z - 78*y^4*z + 54*y^5*z + 45*y*z^2 - 32*y^2*z^2 - 106*y^3*z^2 + 75*y^4*z^2 - 9*z^3 + 9*y*z^3 - 93*y^2*z^3 + 57*y^3*z^3 + 18*z^4 - 63*y*z^4 + 27*y^2*z^4 - 9*z^5 + 9*y*z^5))/ (9*(-1 + y)*y*z*(y + z)^2) + (Pi^2*(-y^6 + 5*y^7 - 10*y^8 + 10*y^9 - 5*y^10 + y^11 - 7*y^5*z + 40*y^6*z - 93*y^7*z + 112*y^8*z - 73*y^9*z + 24*y^10*z - 3*y^11*z - 14*y^4*z^2 + 105*y^5*z^2 - 332*y^6*z^2 + 545*y^7*z^2 - 485*y^8*z^2 + 224*y^9*z^2 - 45*y^10*z^2 + 2*y^11*z^2 + 18*y^3*z^3 - 30*y^4*z^3 - 223*y^5*z^3 + 860*y^6*z^3 - 1204*y^7*z^3 + 780*y^8*z^3 - 219*y^9*z^3 + 18*y^10*z^3 + 24*y^2*z^4 - 198*y^3*z^4 + 426*y^4*z^4 - 21*y^5*z^4 - 924*y^6*z^4 + 1078*y^7*z^4 - 443*y^8*z^4 + 58*y^9*z^4 + 16*y*z^5 - 202*y^2*z^5 + 820*y^3*z^5 - 1352*y^4*z^5 + 723*y^5*z^5 + 272*y^6*z^5 - 331*y^7*z^5 + 70*y^8*z^5 + 2*z^6 - 80*y*z^6 + 558*y^2*z^6 - 1520*y^3*z^6 + 1839*y^4*z^6 - 898*y^5*z^6 + 131*y^6*z^6 - 8*z^7 + 150*y*z^7 - 696*y^2*z^7 + 1327*y^3*z^7 - 1082*y^4*z^7 + 379*y^5*z^7 - 70*y^6*z^7 + 12*z^8 - 130*y*z^8 + 412*y^2*z^8 - 507*y^3*z^8 + 239*y^4*z^8 - 58*y^5*z^8 - 8*z^9 + 50*y*z^9 - 102*y^2*z^9 + 62*y^3*z^9 - 18*y^4*z^9 + 2*z^10 - 6*y*z^10 + 6*y^2*z^10 - 2*y^3*z^10))/(12*(-1 + y)^3*y^2*(-1 + z)* z^2*(-1 + y + z)*(y + z)^3) - ((-y + 2*y^2 - y^3 + 6*z - 12*y*z + 4*y^2*z + 2*y^3*z - 18*z^2 + 9*y*z^2 + 18*z^3 + 4*y*z^3 - 6*z^4)* G[0, 0, y])/(2*z^2*(-1 + y + z)) + ((y^2 - 4*y^3 + 6*y^4 - 4*y^5 + y^6 + 4*y*z - 14*y^2*z + 21*y^3*z - 19*y^4*z + 11*y^5*z - 3*y^6*z - 3*z^2 - 8*y*z^2 + 60*y^2*z^2 - 95*y^3*z^2 + 59*y^4*z^2 - 15*y^5*z^2 + 2*y^6*z^2 - 4*z^3 + 31*y*z^3 - 99*y^2*z^3 + 104*y^3*z^3 - 32*y^4*z^3 + 17*z^4 - 57*y*z^4 + 114*y^2*z^4 - 68*y^3*z^4 + 10*y^4*z^4 - 10*z^5 + 30*y*z^5 - 54*y^2*z^5 + 18*y^3*z^5)*G[0, 1, y])/ (2*(-1 + y)^3*y*(-1 + z)*z^2) - ((6*y^4 - 18*y^5 + 12*y^6 + 15*y^3*z - 76*y^4*z + 106*y^5*z - 34*y^6*z - 17*y^2*z^2 - 51*y^3*z^2 + 248*y^4*z^2 - 170*y^5*z^2 + 14*y^6*z^2 - 22*y*z^3 + 95*y^2*z^3 + 126*y^3*z^3 - 282*y^4*z^3 + 58*y^5*z^3 - 12*z^4 + 120*y*z^4 - 176*y^2*z^4 - 118*y^3*z^4 + 80*y^4*z^4 + 48*z^5 - 220*y*z^5 + 148*y^2*z^5 + 20*y^3*z^5 - 72*z^6 + 168*y*z^6 - 50*y^2*z^6 + 48*z^7 - 46*y*z^7 - 12*z^8)* G[1, 0, y])/(2*y*(-1 + z)*z*(-1 + y + z)*(y + z)^3) + (3*(-1 + y + z)*(y + z)*(-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3)*G[0, 0, 1, y])/(y^2*z^2) - (3*(-1 + y + z)*(-y^2 + 2*y^2*z - z^2)*G[0, 1, 0, y])/(y*z^2) - (3*y*(-1 + y + z)*(-1 + 2*z)*G[1, 0, 0, y])/z^2 + (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1, 0, 1, y])/(y^2*z^2) - (3*(-1 + y + z)*G[1, 1, 0, y])/y + (3*(-1 + y + z)*(-4*y^3 + 8*y^3*z + 3*y*z^2 + 8*z^3 - 8*z^4)* Zeta[3])/(y^2*z^2)) + G[1, z]* ((Pi^2*(-1 + z)*(-1 + 2*y + z)*(-y + y^2 + z - 8*y*z + 9*y^2*z - 2*z^2 + 9*y*z^2 + z^3))/(6*y^2*(-1 + y + z)^2) - (3*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[0, 0, 1, y])/ (y^2*(-1 + y + z)) + (3*(1 - 3*y + 2*y^2 - z)*(-1 + z)^2* G[0, 1, 0, y])/(y*(-1 + y + z)^2) + (3*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[1, 0, 1, y])/ (y^2*(-1 + y + z)) - (3*(1 - 3*y + 2*y^2 - z)*(-1 + z)^2* G[1, 1, 0, y])/(y*(-1 + y + z)^2) + (3*(-1 + z)*(-3*y + 9*y^2 - 6*y^3 - 8*z + 30*y*z - 33*y^2*z + 14*y^3*z + 24*z^2 - 51*y*z^2 + 24*y^2*z^2 - 24*z^3 + 24*y*z^3 + 8*z^4)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1, y]*((((4*I)/3)*Pi*(-2*y + 3*y^2 - 3*z + 4*y*z + 3*z^2))/ (y + z)^2 + (2*(-9*y^3 + 36*y^4 - 45*y^5 + 18*y^6 + 28*y^2*z - 4*y^3*z - 78*y^4*z + 54*y^5*z + 45*y*z^2 - 32*y^2*z^2 - 106*y^3*z^2 + 75*y^4*z^2 - 9*z^3 + 9*y*z^3 - 93*y^2*z^3 + 57*y^3*z^3 + 18*z^4 - 63*y*z^4 + 27*y^2*z^4 - 9*z^5 + 9*y*z^5))/ (9*(-1 + y)*y*z*(y + z)^2) - (Pi^2*(-6*y^5 + 30*y^6 - 60*y^7 + 60*y^8 - 30*y^9 + 6*y^10 - 17*y^4*z + 118*y^5*z - 320*y^6*z + 440*y^7*z - 325*y^8*z + 122*y^9*z - 18*y^10*z + 13*y^3*z^2 - 10*y^4*z^2 - 163*y^5*z^2 + 501*y^6*z^2 - 606*y^7*z^2 + 311*y^8*z^2 - 16*y^9*z^2 - 38*y^10*z^2 + 8*y^11*z^2 + 22*y^2*z^3 - 210*y^3*z^3 + 672*y^4*z^3 - 1022*y^5*z^3 + 833*y^6*z^3 - 508*y^7*z^3 + 401*y^8*z^3 - 238*y^9*z^3 + 50*y^10*z^3 + 16*y*z^4 - 232*y^2*z^4 + 1179*y^3*z^4 - 2903*y^4*z^4 + 3872*y^5*z^4 - 3031*y^6*z^4 + 1630*y^7*z^4 - 669*y^8*z^4 + 138*y^9*z^4 + 2*z^5 - 98*y*z^5 + 822*y^2*z^5 - 2910*y^3*z^5 + 5283*y^4*z^5 - 5216*y^5*z^5 + 2983*y^6*z^5 - 1104*y^7*z^5 + 222*y^8*z^5 - 10*z^6 + 238*y*z^6 - 1390*y^2*z^6 + 3595*y^3*z^6 - 4650*y^4*z^6 + 3113*y^5*z^6 - 1160*y^6*z^6 + 232*y^7*z^6 + 20*z^7 - 292*y*z^7 + 1234*y^2*z^7 - 2270*y^3*z^7 + 1924*y^4*z^7 - 780*y^5*z^7 + 164*y^6*z^7 - 20*z^8 + 188*y*z^8 - 564*y^2*z^8 + 671*y^3*z^8 - 319*y^4*z^8 + 76*y^5*z^8 + 10*z^9 - 58*y*z^9 + 114*y^2*z^9 - 70*y^3*z^9 + 20*y^4*z^9 - 2*z^10 + 6*y*z^10 - 6*y^2*z^10 + 2*y^3*z^10))/(12*(-1 + y)^3*y^2*(-1 + z)* z*(-1 + y + z)^2*(y + z)^3) - (Pi^2*(-1 + z)*(-1 + 2*y + z)* G[1, z])/(2*y*(-1 + y + z)) + ((Pi^2*(-1 + y + z)*(-y^2 + 2*y^2*z + z^2))/(2*y*z^2) + (7*y^3 - 7*y^4 + 4*y^2*z - 29*y^3*z + 14*y^4*z - 13*y*z^2 - y^2*z^2 + 28*y^3*z^2 - 14*z^3 + 41*y*z^3 + 28*z^4 - 28*y*z^4 - 14*z^5)/(2*y*z*(y + z)^2))*G[1 - y, z] + (((2*I)*Pi*(y - 2*y^2 - 2*y*z + 2*y^2*z + 2*z^2 - 2*z^3))/(y*z) - (Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/(2*y^2*z^2) - (4*y^3 - 20*y^4 + 36*y^5 - 28*y^6 + 8*y^7 - 14*y^2*z + 41*y^3*z - 28*y^4*z - 11*y^5*z + 12*y^6*z + 3*y*z^2 + 34*y^2*z^2 - 74*y^3*z^2 + 43*y^4*z^2 - 6*y^5*z^2 + 4*z^3 - 29*y*z^3 + 59*y^2*z^3 - 54*y^3*z^3 + 4*y^4*z^3 - 8*z^4 + 34*y*z^4 - 60*y^2*z^4 + 18*y^3*z^4 + 4*z^5 - 8*y*z^5 + 4*y^2*z^5)/ (2*(-1 + y)^2*y^2*z^2))*G[-y, z] - ((1 + y - z)*z*(1 - y + 3*y^2 - 2*z + y*z + z^2)*G[0, 0, z])/ (y^2*(-1 + y + z)) - ((6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4)*G[0, 1 - y, z])/(2*y^2*z) - ((-6*y^2 + 36*y^3 - 72*y^4 + 60*y^5 - 18*y^6 - 12*y*z + 58*y^2*z - 119*y^3*z + 138*y^4*z - 91*y^5*z + 26*y^6*z + 2*z^2 + 42*y*z^2 - 164*y^2*z^2 + 190*y^3*z^2 - 83*y^4*z^2 + 13*y^5*z^2 - 6*z^3 - 42*y*z^3 + 172*y^2*z^3 - 159*y^3*z^3 + 57*y^4*z^3 - 6*y^5*z^3 + 6*z^4 + 6*y*z^4 - 54*y^2*z^4 + 42*y^3*z^4 - 16*y^4*z^4 - 2*z^5 + 6*y*z^5 - 6*y^2*z^5 + 2*y^3*z^5)*G[0, -y, z])/ (2*(-1 + y)^3*y^2*(-1 + z)*z) + ((-1 + z)*z*(1 - 5*y + 10*y^2 - 2*z + 5*y*z + z^2)*G[1, 0, z])/ (y^2*(-1 + y + z)) - ((6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4)*G[1 - y, 0, z])/(2*y^2*z) - ((-12*y^2 + 36*y^3 - 36*y^4 + 12*y^5 + 15*z - 46*y*z + 49*y^2*z - 30*y^3*z + 22*y^4*z - 10*y^5*z - 32*z^2 + 101*y*z^2 - 87*y^2*z^2 + 22*y^3*z^2 - 10*y^4*z^2 + 6*y^5*z^2 + 19*z^3 - 61*y*z^3 + 24*y^2*z^3 + 2*y^3*z^3 - 2*z^4 + 6*y*z^4 + 18*y^2*z^4 - 6*y^3*z^4)*G[1 - y, -y, z])/(2*(-1 + y)^3*y*(-1 + z)* z) - ((6*y^2 - 6*y^3 - 5*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 + 9*y*z^2 + 6*y^2*z^2 - 4*z^3 - 4*y*z^3 + 2*z^4)*G[-y, 0, z])/ (2*y^2*z) - ((y^3 - y^4 - 2*y^2*z - 7*y^3*z + 2*y^4*z + 15*y*z^2 + y^2*z^2 - 6*y^3*z^2 - 2*z^3 - 21*y*z^3 + 4*z^4 + 6*y*z^4 - 2*z^5)* G[-y, 1 - y, z])/(2*y^2*z^2) - ((y^3 - y^4 - 6*y^2*z + y^3*z + 2*y^4*z + 17*y*z^2 + 7*y^2*z^2 - 14*y^3*z^2 - 2*z^3 - 31*y*z^3 + 4*z^4 + 14*y*z^4 - 2*z^5)* G[-y, -y, z])/(2*y^2*z^2) + (3*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[0, 0, -y, z])/(y^2*(-1 + y + z)) - (3*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[0, 1 - y, -y, z])/ (y^2*(-1 + y + z)) + (3*(-1 + y + z)*(y + 2*z - 2*z^2)* G[0, -y, 1 - y, z])/y^2 + (3*(-1 + y + z)*(y + 2*z - 2*z^2)* G[0, -y, -y, z])/y^2 + (6*y*(-1 + z)*z*G[1, 0, 0, z])/ (-1 + y + z)^2 + (3*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)* G[1, 0, -y, z])/(y^2*(-1 + y + z)) + (6*y*(-1 + z)*z*G[1, 1, 0, z])/(-1 + y + z)^2 + (3*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[1, 1 - y, -y, z])/ (y^2*(-1 + y + z)) - (3*(-1 + y + z)*(y + z)*(-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3)*G[1 - y, 0, -y, z])/ (y^2*z^2) + (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)*G[1 - y, 1 - y, -y, z])/(y^2*z^2) + (3*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 0, 1 - y, z])/z^2 + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, 0, -y, z])/y^2 + (3*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 1 - y, 0, z])/z^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, 1 - y, -y, z])/(y^2*z^2) + (3*y*(-1 + y + z)*(-1 + 2*z)* G[-y, -y, 0, z])/z^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)*G[-y, -y, 1 - y, z])/(y^2*z^2) - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, -y, -y, z])/(y^2*z^2) + (3*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 8*z + 33*y*z - 42*y^2*z + 23*y^3*z + 32*z^2 - 81*y*z^2 + 57*y^2*z^2 - 14*y^3*z^2 - 48*z^3 + 75*y*z^3 - 24*y^2*z^3 + 32*z^4 - 24*y*z^4 - 8*z^5)*Zeta[3])/(y^2*(-1 + y + z)^2)))) + eps^2*(Nf*((-494*z*(-1 + 2*y + z)*(-1 + 2*z))/(27*(-1 + y)*(y + z)) - (((80*I)/9)*Pi*z*(-1 + 2*y + z)*(-1 + 2*z))/((-1 + y)*(y + z)) + (13*Pi^2*z*(-1 + 2*y + z)*(-1 + 2*z))/(9*(-1 + y)*(y + z)) + ((-13*Pi^2*(-1 + y + z)*(-1 + 2*z))/(9*(-1 + y)^2) + (((8*I)/9)*Pi*(7 + 3*y)*(-1 + y + z)*(-1 + 2*z))/(-1 + y)^2 + (2*(127 + 120*y)*(-1 + y + z)*(-1 + 2*z))/(27*(-1 + y)^2))*G[0, y] + (((-4*I)*Pi*(-1 + y + z)*(-1 + 2*z))/(-1 + y)^2 - (8*(4 + y)*(-1 + y + z)*(-1 + 2*z))/(3*(-1 + y)^2))*G[0, 0, y] + (((-4*I)*Pi*y*(-1 + 2*z))/(y + z)^2 + (8*y*(-5 + y + z)*(-1 + 2*z))/ (3*(y + z)^2))*G[1, 1, y] + G[1 - y, z]* ((-13*Pi^2*y*(-1 + 2*z))/(9*(y + z)^2) - (((8*I)/9)*Pi*y*(-1 + 2*z)*(-10 + 3*y + 3*z))/(y + z)^2 - (2*y*(-1 + 2*z)*(-247 + 120*y + 120*z))/(27*(y + z)^2) + (14*y*(-1 + 2*z)*G[1, 1, y])/(3*(y + z)^2)) + (((-4*I)*Pi*y*(-1 + 2*z))/(y + z)^2 + (8*y*(-5 + y + z)*(-1 + 2*z))/ (3*(y + z)^2))*G[1 - y, 1 - y, z] + G[1, y]*((-13*Pi^2*y*(-1 + 2*z))/(9*(y + z)^2) - (((8*I)/9)*Pi*y*(-1 + 2*z)*(-10 + 3*y + 3*z))/(y + z)^2 - (2*y*(-1 + 2*z)*(-247 + 120*y + 120*z))/(27*(y + z)^2) + (((-4*I)*Pi*y*(-1 + 2*z))/(y + z)^2 + (8*y*(-5 + y + z)*(-1 + 2*z))/ (3*(y + z)^2))*G[1 - y, z] + (14*y*(-1 + 2*z)*G[1 - y, 1 - y, z])/ (3*(y + z)^2)) + (14*(-1 + y + z)*(-1 + 2*z)*G[0, 0, 0, y])/ (3*(-1 + y)^2) + (14*y*(-1 + 2*z)*G[1, 1, 1, y])/(3*(y + z)^2) + (14*y*(-1 + 2*z)*G[1 - y, 1 - y, 1 - y, z])/(3*(y + z)^2)) + ((-15*(-1 + 2*y + z))/2 - (2*I)*Pi*(-1 + 2*y + z) + (Pi^4*(-161 + 1293*y - 3748*y^2 + 5402*y^3 - 4233*y^4 + 1753*y^5 - 306*y^6 + 415*z - 3088*y*z + 7840*y^2*z - 9364*y^3*z + 5587*y^4*z - 1492*y^5*z + 102*y^6*z - 279*z^2 + 1586*y*z^2 - 3579*y^2*z^2 + 3915*y^3*z^2 - 1994*y^4*z^2 + 351*y^5*z^2 - 43*z^3 + 1178*y*z^3 - 1737*y^2*z^3 + 574*y^3*z^3 + 28*y^4*z^3 + 68*z^4 - 1275*y*z^4 + 1326*y^2*z^4 - 323*y^3*z^4 + 306*y*z^5 - 102*y^2*z^5))/ (360*(-1 + y)^3*(-1 + z)*(-1 + y + z)^2) + (Pi^2*(-9*y^4 + 36*y^5 - 54*y^6 + 36*y^7 - 9*y^8 + 16*y^3*z - 25*y^4*z - 38*y^5*z + 104*y^6*z - 74*y^7*z + 17*y^8*z + 95*y^2*z^2 - 397*y^3*z^2 + 503*y^4*z^2 - 130*y^5*z^2 - 136*y^6*z^2 + 65*y^7*z^2 + 61*y*z^3 - 486*y^2*z^3 + 1014*y^3*z^3 - 685*y^4*z^3 + 26*y^5*z^3 + 70*y^6*z^3 + 19*z^4 - 263*y*z^4 + 879*y^2*z^4 - 979*y^3*z^4 + 354*y^4*z^4 - 38*y^5*z^4 - 57*z^5 + 381*y*z^5 - 690*y^2*z^5 + 440*y^3*z^5 - 130*y^4*z^5 + 57*z^6 - 217*y*z^6 + 221*y^2*z^6 - 89*y^3*z^6 - 19*z^7 + 38*y*z^7 - 19*y^2*z^7))/(6*(-1 + y)^2*y*z*(-1 + y + z)^2*(y + z)^2) + ((I/3)*Pi^3*(-y^4 + 4*y^5 - 6*y^6 + 4*y^7 - y^8 + 3*y^3*z - 8*y^4*z + 4*y^5*z + 6*y^6*z - 7*y^7*z + 2*y^8*z + 13*y^2*z^2 - 56*y^3*z^2 + 77*y^4*z^2 - 32*y^5*z^2 - 8*y^6*z^2 + 6*y^7*z^2 + 7*y*z^3 - 58*y^2*z^3 + 123*y^3*z^3 - 86*y^4*z^3 + 8*y^5*z^3 + 6*y^6*z^3 + 2*z^4 - 28*y*z^4 + 93*y^2*z^4 - 98*y^3*z^4 + 29*y^4*z^4 - 2*y^5*z^4 - 6*z^5 + 39*y*z^5 - 66*y^2*z^5 + 35*y^3*z^5 - 10*y^4*z^5 + 6*z^6 - 22*y*z^6 + 20*y^2*z^6 - 8*y^3*z^6 - 2*z^7 + 4*y*z^7 - 2*y^2*z^7))/((-1 + y)^2*y*z*(-1 + y + z)^2*(y + z)^2) + (Pi^2*(-1 + 2*y + z)*(y^4 - 4*y^5 + 6*y^6 - 4*y^7 + y^8 + 7*y^3*z - 33*y^4*z + 65*y^5*z - 67*y^6*z + 36*y^7*z - 8*y^8*z + 23*y^2*z^2 - 118*y^3*z^2 + 262*y^4*z^2 - 306*y^5*z^2 + 189*y^6*z^2 - 56*y^7*z^2 + 6*y^8*z^2 + 19*y*z^3 - 145*y^2*z^3 + 416*y^3*z^3 - 591*y^4*z^3 + 433*y^5*z^3 - 156*y^6*z^3 + 24*y^7*z^3 + 6*z^4 - 82*y*z^4 + 324*y^2*z^4 - 590*y^3*z^4 + 534*y^4*z^4 - 230*y^5*z^4 + 42*y^6*z^4 - 18*z^5 + 125*y*z^5 - 316*y^2*z^5 + 369*y^3*z^5 - 194*y^4*z^5 + 42*y^5*z^5 + 18*z^6 - 80*y*z^6 + 132*y^2*z^6 - 90*y^3*z^6 + 24*y^4*z^6 - 6*z^7 + 18*y*z^7 - 18*y^2*z^7 + 6*y^3*z^7)*G[0, 1, z])/(6*(-1 + y)^3*y^2*(-1 + y + z)^2* (y + z)^3) + G[0, 0, z]*(((4*I)*Pi*(-1 + z)*z*(-1 + 2*y + z))/ (y*(-1 + y + z)) + (z*(-1 + 2*y + z)*(19*y - 19*y^2 + 23*z - 42*y*z + 23*y^2*z - 23*z^2 + 23*y*z^2))/((-1 + y)*y*(-1 + y + z)* (y + z)) - (Pi^2*z*(4 - 15*y + 14*y^2 + 8*y^3 - 18*y^4 + 7*y^5 - 8*z + 7*y*z + 11*y^2*z - 11*y^3*z + y^4*z + 4*z^2 + 18*y*z^2 - 28*y^2*z^2 + 6*y^3*z^2 - 12*y*z^3 + 4*y^2*z^3))/ (6*(-1 + y)^3*(-1 + y + z)^2) - (z*(-6 + 44*y - 134*y^2 + 223*y^3 - 222*y^4 + 134*y^5 - 46*y^6 + 7*y^7 + 22*z - 138*y*z + 352*y^2*z - 489*y^3*z + 389*y^4*z - 161*y^5*z + 25*y^6*z - 30*z^2 + 156*y*z^2 - 320*y^2*z^2 + 354*y^3*z^2 - 202*y^4*z^2 + 42*y^5*z^2 + 18*z^3 - 74*y*z^3 + 114*y^2*z^3 - 90*y^3*z^3 + 24*y^4*z^3 - 4*z^4 + 12*y*z^4 - 12*y^2*z^4 + 4*y^3*z^4)* G[0, 1, y])/((-1 + y)^3*y^2*(-1 + y + z)^2) + (z*(-3*y^4 + 5*y^5 - 3*y^6 + 7*y^7 + 16*y^2*z - 55*y^3*z + 66*y^4*z - 29*y^5*z + 24*y^6*z + 12*y*z^2 - 97*y^2*z^2 + 180*y^3*z^2 - 108*y^4*z^2 + 39*y^5*z^2 + 4*z^3 - 61*y*z^3 + 206*y^2*z^3 - 196*y^3*z^3 + 56*y^4*z^3 - 16*z^4 + 111*y*z^4 - 185*y^2*z^4 + 73*y^3*z^4 + 24*z^5 - 87*y*z^5 + 60*y^2*z^5 - 16*z^6 + 25*y*z^6 + 4*z^7)*G[1, 0, y])/(y^2*(-1 + y + z)^2* (y + z)^3) + (6*z*(-2 + y + 2*z)*G[1, 1, y])/y) + G[0, 1 - y, z]*(((4*I)*Pi*z*(1 - 4*y + 5*y^2 - 3*y^3 + y^4 - 2*z + 6*y*z - 4*y^2*z + 2*y^3*z + z^2 - 2*y*z^2 + y^2*z^2))/ ((-1 + y)^2*y^2) - (y - 4*y^2 + 5*y^3 - 2*y^4 - 9*z + 16*y*z + 13*y^2*z - 21*y^3*z + y^4*z + 18*z^2 - 35*y*z^2 - 12*y^2*z^2 + y^3*z^2 - 9*z^3 + 18*y*z^3 - 9*y^2*z^3)/((-1 + y)^2*y^2) - (Pi^2*(y^6 - 6*y^7 + 15*y^8 - 20*y^9 + 15*y^10 - 6*y^11 + y^12 + 4*y^5*z - 30*y^6*z + 93*y^7*z - 155*y^8*z + 150*y^9*z - 84*y^10*z + 25*y^11*z - 3*y^12*z + 6*y^4*z^2 - 63*y^5*z^2 + 259*y^6*z^2 - 556*y^7*z^2 + 686*y^8*z^2 - 495*y^9*z^2 + 199*y^10*z^2 - 38*y^11*z^2 + 2*y^12*z^2 + 8*y^3*z^3 - 119*y^4*z^3 + 599*y^5*z^3 - 1489*y^6*z^3 + 2081*y^7*z^3 - 1697*y^8*z^3 + 785*y^9*z^3 - 183*y^10*z^3 + 15*y^11*z^3 - 3*y^2*z^4 - 117*y^3*z^4 + 944*y^4*z^4 - 2905*y^5*z^4 + 4646*y^6*z^4 - 4199*y^7*z^4 + 2136*y^8*z^4 - 555*y^9*z^4 + 53*y^10*z^4 - 85*y^2*z^5 + 948*y^3*z^5 - 3718*y^4*z^5 + 7156*y^5*z^5 - 7514*y^6*z^5 + 4369*y^7*z^5 - 1303*y^8*z^5 + 147*y^9*z^5 - 34*y*z^6 + 562*y^2*z^6 - 2941*y^3*z^6 + 7124*y^4*z^6 - 9074*y^5*z^6 + 6280*y^6*z^6 - 2243*y^7*z^6 + 318*y^8*z^6 - 2*z^7 + 148*y*z^7 - 1278*y^2*z^7 + 4251*y^3*z^7 - 6896*y^4*z^7 + 5840*y^5*z^7 - 2528*y^6*z^7 + 449*y^7*z^7 + 8*z^8 - 246*y*z^8 + 1357*y^2*z^8 - 3046*y^3*z^8 + 3276*y^4*z^8 - 1724*y^5*z^8 + 375*y^6*z^8 - 12*z^9 + 190*y*z^9 - 691*y^2*z^9 + 1011*y^3*z^9 - 653*y^4*z^9 + 171*y^5*z^9 + 8*z^10 - 64*y*z^10 + 144*y^2*z^10 - 116*y^3*z^10 + 36*y^4*z^10 - 2*z^11 + 6*y*z^11 - 6*y^2*z^11 + 2*y^3*z^11))/(6*(-1 + y)^3*y^2*(-1 + z)*z^2* (-1 + y + z)^2*(y + z)^3) + ((y^5 - 11*y^6 + 17*y^7 - 7*y^8 - 33*y^5*z + 70*y^6*z - 38*y^7*z + 3*y^8*z + 16*y^2*z^2 - 52*y^3*z^2 + 21*y^4*z^2 + 92*y^5*z^2 - 77*y^6*z^2 + 9*y^7*z^2 + 12*y*z^3 - 112*y^2*z^3 + 209*y^3*z^3 - 64*y^4*z^3 - 51*y^5*z^3 + 6*y^6*z^3 + 4*z^4 - 73*y*z^4 + 298*y^2*z^4 - 327*y^3*z^4 + 86*y^4*z^4 - 13*y^5*z^4 - 20*z^5 + 172*y*z^5 - 382*y^2*z^5 + 237*y^3*z^5 - 43*y^4*z^5 + 40*z^6 - 198*y*z^6 + 238*y^2*z^6 - 67*y^3*z^6 - 40*z^7 + 112*y*z^7 - 58*y^2*z^7 + 20*z^8 - 25*y*z^8 - 4*z^9)*G[1, 0, y])/(y^2*(-1 + z)*(-1 + y + z)^2* (y + z)^3) + ((3 + 4*y - 3*z)*z*(-2 + y + 2*z)*G[1, 1, y])/y^2) + G[1, 0, z]*((Pi^2*(-1 + z)*(y - 2*y^2 + y^3 + 2*z - 8*y*z + 8*y^2*z - 2*y^3*z - 8*z^2 + 43*y*z^2 - 85*y^2*z^2 + 55*y^3*z^2 + 12*z^3 - 66*y*z^3 + 79*y^2*z^3 - 8*z^4 + 30*y*z^4 + 2*z^5))/ (6*y^2*z*(-1 + y + z)^2) - ((4*I)*Pi*(-1 + z)*(-1 + 2*y + z)* (y^3 - 3*y^4 + 3*y^5 - y^6 + 5*y^2*z - 16*y^3*z + 20*y^4*z - 12*y^5*z + 3*y^6*z + 3*y*z^2 - 19*y^2*z^2 + 34*y^3*z^2 - 27*y^4*z^2 + 9*y^5*z^2 + z^3 - 10*y*z^3 + 25*y^2*z^3 - 24*y^3*z^3 + 10*y^4*z^3 - 2*z^4 + 9*y*z^4 - 10*y^2*z^4 + 5*y^3*z^4 + z^5 - 2*y*z^5 + y^2*z^5))/((-1 + y)^2*y^2* (-1 + y + z)^2*(y + z)^2) - ((-1 + z)*(-1 + 2*y + z)* (15*y^3 - 45*y^4 + 45*y^5 - 15*y^6 + 70*y^2*z - 203*y^3*z + 214*y^4*z - 99*y^5*z + 18*y^6*z + 36*y*z^2 - 202*y^2*z^2 + 291*y^3*z^2 - 179*y^4*z^2 + 54*y^5*z^2 + 9*z^3 - 90*y*z^3 + 185*y^2*z^3 - 139*y^3*z^3 + 63*y^4*z^3 - 18*z^4 + 72*y*z^4 - 62*y^2*z^4 + 36*y^3*z^4 + 9*z^5 - 18*y*z^5 + 9*y^2*z^5))/ ((-1 + y)^2*y^2*(-1 + y + z)^2*(y + z)^2) + ((-1 + z)*(1 + z)*(-y - 2*z + 3*y*z + 2*z^2)*G[1, 1, y])/(y^2*z)) + G[0, -y, z]*(-(((y^3 - y^4 - 2*y^3*z + 2*y^4*z + y*z^2 - 5*y^2*z^2 + 2*y^3*z^2 + 4*z^3 - 6*y*z^3 + 2*y^2*z^3 - 8*z^4 + 5*y*z^4 + 4*z^5)*G[1, 0, y])/(y^2*z^2)) + ((y^3 - 4*y^4 + 6*y^5 - 4*y^6 + y^7 - 6*y^2*z + 27*y^3*z - 42*y^4*z + 24*y^5*z - 3*y^7*z + y*z^2 + 14*y^2*z^2 - 77*y^3*z^2 + 135*y^4*z^2 - 98*y^5*z^2 + 23*y^6*z^2 + 2*y^7*z^2 + 4*z^3 - 9*y*z^3 - 16*y^2*z^3 + 79*y^3*z^3 - 101*y^4*z^3 + 54*y^5*z^3 - 11*y^6*z^3 - 12*z^4 + 27*y*z^4 - y^2*z^4 - 57*y^3*z^4 + 45*y^4*z^4 - 10*y^5*z^4 + 12*z^5 - 31*y*z^5 + 21*y^2*z^5 + 15*y^3*z^5 - 9*y^4*z^5 - 4*z^6 + 12*y*z^6 - 12*y^2*z^6 + 4*y^3*z^6)*G[1, 1, y])/((-1 + y)^3*y^2*(-1 + z)*z^2)) - (Pi^2*(-1 + z)*(-1 + 2*y + z)*(-y + y^2 - 2*z + 2*y*z - y^2*z + 14*z^2 - 11*y*z^2 + 10*y^2*z^2 - 22*z^3 + 10*y*z^3 + 10*z^4)* G[1, 1, z])/(6*y^2*z*(-1 + y + z)^2) + (Pi^2*(y^2 - 4*y^3 + 5*y^4 - 2*y^5 - 3*y^2*z + 5*y^3*z - 2*y^5*z + y*z^2 + 8*y^2*z^2 - 30*y^3*z^2 + 35*y^4*z^2 - 16*y^5*z^2 - 4*z^3 + 9*y*z^3 - 32*y^2*z^3 + 76*y^3*z^3 - 50*y^4*z^3 + 4*y^5*z^3 + 20*z^4 - 46*y*z^4 + 63*y^2*z^4 - 62*y^3*z^4 + 10*y^4*z^4 - 40*z^5 + 74*y*z^5 - 53*y^2*z^5 + 15*y^3*z^5 + 40*z^6 - 51*y*z^6 + 16*y^2*z^6 - 20*z^7 + 13*y*z^7 + 4*z^8)*G[1, 1 - y, z])/ (6*y^2*(-1 + z)*z^2*(-1 + y + z)^2) + (((4*I)*Pi*z*(1 - 4*y + 5*y^2 - 3*y^3 + y^4 - 2*z + 6*y*z - 4*y^2*z + 2*y^3*z + z^2 - 2*y*z^2 + y^2*z^2))/((-1 + y)^2*y^2) - (y - 4*y^2 + 5*y^3 - 2*y^4 - 9*z + 16*y*z + 13*y^2*z - 21*y^3*z + y^4*z + 18*z^2 - 35*y*z^2 - 12*y^2*z^2 + y^3*z^2 - 9*z^3 + 18*y*z^3 - 9*y^2*z^3)/((-1 + y)^2*y^2) + (Pi^2*(-2*y^6 + 12*y^7 - 30*y^8 + 40*y^9 - 30*y^10 + 12*y^11 - 2*y^12 - y^4*z - y^5*z + 37*y^6*z - 137*y^7*z + 235*y^8*z - 219*y^9*z + 111*y^10*z - 27*y^11*z + 2*y^12*z - 5*y^3*z^2 + 24*y^4*z^2 - 2*y^5*z^2 - 194*y^6*z^2 + 502*y^7*z^2 - 588*y^8*z^2 + 358*y^9*z^2 - 106*y^10*z^2 + 11*y^11*z^2 - 9*y^2*z^3 + 70*y^3*z^3 - 200*y^4*z^3 + 227*y^5*z^3 + 19*y^6*z^3 - 296*y^7*z^3 + 286*y^8*z^3 - 113*y^9*z^3 + 16*y^10*z^3 - 7*y*z^4 + 78*y^2*z^4 - 379*y^3*z^4 + 1019*y^4*z^4 - 1666*y^5*z^4 + 1724*y^6*z^4 - 1107*y^7*z^4 + 395*y^8*z^4 - 57*y^9*z^4 - 2*z^5 + 45*y*z^5 - 339*y^2*z^5 + 1335*y^3*z^5 - 3044*y^4*z^5 + 4185*y^5*z^5 - 3427*y^6*z^5 + 1515*y^7*z^5 - 268*y^8*z^5 + 10*z^6 - 141*y*z^6 + 827*y^2*z^6 - 2516*y^3*z^6 + 4319*y^4*z^6 - 4268*y^5*z^6 + 2236*y^6*z^6 - 459*y^7*z^6 - 20*z^7 + 229*y*z^7 - 1030*y^2*z^7 + 2296*y^3*z^7 - 2772*y^4*z^7 + 1727*y^5*z^7 - 406*y^6*z^7 + 20*z^8 - 186*y*z^8 + 605*y^2*z^8 - 929*y^3*z^8 + 703*y^4*z^8 - 189*y^5*z^8 - 10*z^9 + 66*y*z^9 - 138*y^2*z^9 + 130*y^3*z^9 - 40*y^4*z^9 + 2*z^10 - 6*y*z^10 + 6*y^2*z^10 - 2*y^3*z^10))/(6*(-1 + y)^3*y^2*z^2*(-1 + y + z)^2*(y + z)^3))* G[1 - y, 0, z] + (Pi^2*(-y^4 + 4*y^5 - 6*y^6 + 4*y^7 - y^8 - 11*y^3*z + 67*y^4*z - 171*y^5*z + 239*y^6*z - 200*y^7*z + 102*y^8*z - 30*y^9*z + 4*y^10*z - 35*y^2*z^2 + 256*y^3*z^2 - 774*y^4*z^2 + 1264*y^5*z^2 - 1221*y^6*z^2 + 706*y^7*z^2 - 226*y^8*z^2 + 30*y^9*z^2 - 31*y*z^3 + 327*y^2*z^3 - 1281*y^3*z^3 + 2567*y^4*z^3 - 2946*y^5*z^3 + 1983*y^6*z^3 - 726*y^7*z^3 + 107*y^8*z^3 - 10*z^4 + 186*y*z^4 - 1026*y^2*z^4 + 2642*y^3*z^4 - 3703*y^4*z^4 + 2958*y^5*z^4 - 1267*y^6*z^4 + 216*y^7*z^4 + 40*z^5 - 402*y*z^5 + 1460*y^2*z^5 - 2611*y^3*z^5 + 2530*y^4*z^5 - 1285*y^5*z^5 + 256*y^6*z^5 - 60*z^6 + 400*y*z^6 - 1005*y^2*z^6 + 1230*y^3*z^6 - 753*y^4*z^6 + 176*y^5*z^6 + 40*z^7 - 183*y*z^7 + 309*y^2*z^7 - 235*y^3*z^7 + 65*y^4*z^7 - 10*z^8 + 30*y*z^8 - 30*y^2*z^8 + 10*y^3*z^8)*G[1 - y, 1, z])/(6*(-1 + y)^3*y^2* (-1 + y + z)^2*(y + z)^3) + (((-2*I)*Pi*(-1 + y + z)*(-y^2 + 5*y*z + 2*y^2*z + 2*z^2 - 2*z^3))/ (y*z*(y + z)) - ((-1 + y + z)*(13*y^2 - 21*y^3 + 8*y^4 - 24*y*z + 7*y^2*z + 21*y^3*z - 15*z^2 + 21*y*z^2 - 2*y^2*z^2 + 15*z^3 - 15*y*z^3))/((-1 + y)*y*z*(y + z)) + (Pi^2*(-y^5 + 3*y^6 - 10*y^8 + 15*y^9 - 9*y^10 + 2*y^11 - 2*y^4*z + 7*y^5*z + 5*y^6*z - 56*y^7*z + 104*y^8*z - 89*y^9*z + 37*y^10*z - 6*y^11*z + 2*y^3*z^2 - 9*y^4*z^2 + 39*y^5*z^2 - 136*y^6*z^2 + 264*y^7*z^2 - 277*y^8*z^2 + 155*y^9*z^2 - 42*y^10*z^2 + 4*y^11*z^2 + 8*y^2*z^3 - 45*y^3*z^3 + 108*y^4*z^3 - 194*y^5*z^3 + 328*y^6*z^3 - 411*y^7*z^3 + 310*y^8*z^3 - 126*y^9*z^3 + 22*y^10*z^3 + 7*y*z^4 - 48*y^2*z^4 + 105*y^3*z^4 - 96*y^4*z^4 + 97*y^5*z^4 - 247*y^6*z^4 + 334*y^7*z^4 - 197*y^8*z^4 + 45*y^9*z^4 + 2*z^5 - 24*y*z^5 + 43*y^2*z^5 + 96*y^3*z^5 - 351*y^4*z^5 + 271*y^5*z^5 + 76*y^6*z^5 - 151*y^7*z^5 + 46*y^8*z^5 - 4*z^6 + 158*y^2*z^6 - 561*y^3*z^6 + 735*y^4*z^6 - 343*y^5*z^6 + 11*y^6*z^6 + 20*y^7*z^6 - 4*z^7 + 86*y*z^7 - 383*y^2*z^7 + 697*y^3*z^7 - 537*y^4*z^7 + 157*y^5*z^7 - 16*y^6*z^7 + 16*z^8 - 123*y*z^8 + 324*y^2*z^8 - 364*y^3*z^8 + 164*y^4*z^8 - 33*y^5*z^8 - 14*z^9 + 66*y*z^9 - 114*y^2*z^9 + 74*y^3*z^9 - 20*y^4*z^9 + 4*z^10 - 12*y*z^10 + 12*y^2*z^10 - 4*y^3*z^10))/(6*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)* (y + z)^3))*G[1 - y, 1 - y, z] + (((-2*I)*Pi*(2*y^3 - 10*y^4 + 18*y^5 - 14*y^6 + 4*y^7 + 2*y^2*z - 11*y^3*z + 22*y^4*z - 19*y^5*z + 6*y^6*z - 7*y^2*z^2 + 14*y^3*z^2 - 7*y^4*z^2 + 2*z^3 - 10*y*z^3 + 16*y^2*z^3 - 6*y^3*z^3 + 2*y^4*z^3 - 4*z^4 + 14*y*z^4 - 12*y^2*z^4 + 6*y^3*z^4 + 2*z^5 - 4*y*z^5 + 2*y^2*z^5))/((-1 + y)^2*y^2*z^2) - (9*y^3 - 45*y^4 + 81*y^5 - 63*y^6 + 18*y^7 + 21*y^2*z - 93*y^3*z + 150*y^4*z - 105*y^5*z + 27*y^6*z - y*z^2 - 63*y^2*z^2 + 140*y^3*z^2 - 90*y^4*z^2 + 14*y^5*z^2 + 9*z^3 - 35*y*z^3 + 54*y^2*z^3 - 14*y^3*z^3 + 14*y^4*z^3 - 18*z^4 + 54*y*z^4 - 26*y^2*z^4 + 18*y^3*z^4 + 9*z^5 - 18*y*z^5 + 9*y^2*z^5)/ ((-1 + y)^2*y^2*z^2) + (Pi^2*(3*y^6 - 8*y^7 + 7*y^8 - 2*y^9 - 6*y^5*z + 28*y^6*z - 37*y^7*z + 13*y^8*z + 2*y^9*z - 37*y^4*z^2 + 194*y^5*z^2 - 318*y^6*z^2 + 177*y^7*z^2 - 14*y^8*z^2 - 43*y^3*z^3 + 309*y^4*z^3 - 697*y^5*z^3 + 549*y^6*z^3 - 102*y^7*z^3 - 44*y^2*z^4 + 245*y^3*z^4 - 655*y^4*z^4 + 703*y^5*z^4 - 204*y^6*z^4 - 19*y*z^5 + 133*y^2*z^5 - 267*y^3*z^5 + 313*y^4*z^5 - 128*y^5*z^5 - 6*z^6 + 61*y*z^6 - 68*y^2*z^6 - 97*y^3*z^6 + 86*y^4*z^6 + 22*z^7 - 63*y*z^7 - 93*y^2*z^7 + 162*y^3*z^7 - 30*z^8 + 19*y*z^8 + 72*y^2*z^8 + 18*z^9 + 2*y*z^9 - 4*z^10))/(6*y^2*z^2*(-1 + y + z)^2*(y + z)^3))* G[-y, 1 - y, z] + G[0, 0, y]* (((-2*I)*Pi*y*(-1 + 2*y - y^2 + 9*z - 11*y*z + 2*y^2*z - 8*z^2 + 4*y*z^2))/((-1 + y)*z*(-1 + y + z)) + (y*(5*y - 2*y^2 - 11*y^3 + 8*y^4 + 9*z - 57*y*z + 37*y^2*z + 11*y^3*z - 51*z^2 + 90*y*z^2 - 17*y^2*z^2 + 42*z^3 - 20*y*z^3))/ ((-1 + y)*z*(-1 + y + z)*(y + z)) + (Pi^2*(6 - 46*y + 109*y^2 - 116*y^3 + 59*y^4 - 12*y^5 - 25*z + 125*y*z - 213*y^2*z + 160*y^3*z - 51*y^4*z + 4*y^5*z + 39*z^2 - 126*y*z^2 + 132*y^2*z^2 - 55*y^3*z^2 + 8*y^4*z^2 - 27*z^3 + 61*y*z^3 - 35*y^2*z^3 + 3*y^3*z^3 + 7*z^4 - 14*y*z^4 + 7*y^2*z^4))/(6*(-1 + y)^2*(-1 + z)*(-1 + y + z)^2) - (6*(1 + y - z)*z*G[0, 0, z])/(-1 + y + z) + ((-y + 3*y^2 - 3*y^3 + y^4 - 7*z + 33*y*z - 48*y^2*z + 25*y^3*z - 3*y^4*z + 43*z^2 - 147*y*z^2 + 151*y^2*z^2 - 49*y^3*z^2 + 2*y^4*z^2 - 95*z^3 + 227*y*z^3 - 147*y^2*z^3 + 19*y^3*z^3 + 97*z^4 - 140*y*z^4 + 41*y^2*z^4 - 46*z^5 + 28*y*z^5 + 8*z^6)* G[0, 1 - y, z])/((-1 + z)*z^2*(-1 + y + z)^2) + ((-1 + z)*(1 + z)*(1 - y - 2*z + 3*y*z + z^2)*G[1, 0, z])/ (z*(-1 + y + z)^2) - ((2*y^4 - 6*y^5 + 6*y^6 - 2*y^7 + 3*y^3*z - 17*y^4*z + 27*y^5*z - 15*y^6*z + 2*y^7*z - 3*y^2*z^2 - 5*y^3*z^2 + 40*y^4*z^2 - 45*y^5*z^2 + 13*y^6*z^2 - 3*y*z^3 + 17*y^2*z^3 + 19*y^3*z^3 - 65*y^4*z^3 + 30*y^5*z^3 - 7*z^4 + 31*y*z^4 - 15*y^2*z^4 - 55*y^3*z^4 + 36*y^4*z^4 + 20*z^5 - 26*y*z^5 - 42*y^2*z^5 + 36*y^3*z^5 - 11*z^6 - 30*y*z^6 + 39*y^2*z^6 - 10*z^7 + 28*y*z^7 + 8*z^8)*G[1 - y, 0, z])/ (z^2*(-1 + y + z)^2*(y + z)^3) - (6*(-1 + z)*(-1 + 2*y + z)* G[1 - y, 1 - y, z])/z + ((2*y - y^2 + 2*y^2*z + 2*z^2 + y*z^2 - z^3)*G[-y, 1 - y, z])/z^2) + G[0, 1, y]* ((-9*y^3 + 18*y^4 - 9*y^5 + y*z + 33*y^2*z - 53*y^3*z + 6*y^4*z + 13*y^5*z - 9*z^2 + 35*y*z^2 - 45*y^2*z^2 - 4*y^3*z^2 - 5*y^4*z^2 + 18*z^3 - 54*y*z^3 + 26*y^2*z^3 - 18*y^3*z^3 - 9*z^4 + 18*y*z^4 - 9*y^2*z^4)/((-1 + y)^2*y^2*z) + ((2*I)*Pi*(-y^3 + 2*y^4 - y^5 + 5*y^2*z - 8*y^3*z + y^4*z + 2*y^5*z - 2*z^2 + 10*y*z^2 - 16*y^2*z^2 + 6*y^3*z^2 - 2*y^4*z^2 + 4*z^3 - 14*y*z^3 + 12*y^2*z^3 - 6*y^3*z^3 - 2*z^4 + 4*y*z^4 - 2*y^2*z^4))/((-1 + y)^2*y^2*z) - (Pi^2*(-7*y^5 + 42*y^6 - 104*y^7 + 136*y^8 - 99*y^9 + 38*y^10 - 6*y^11 + 2*y^3*z - 7*y^4*z + 42*y^5*z - 166*y^6*z + 311*y^7*z - 296*y^8*z + 143*y^9*z - 31*y^10*z + 2*y^11*z + 14*y^2*z^2 - 34*y^3*z^2 - 74*y^4*z^2 + 353*y^5*z^2 - 515*y^6*z^2 + 382*y^7*z^2 - 162*y^8*z^2 + 43*y^9*z^2 - 7*y^10*z^2 + 12*y*z^3 - 59*y^2*z^3 - 118*y^3*z^3 + 1063*y^4*z^3 - 2402*y^5*z^3 + 2715*y^6*z^3 - 1681*y^7*z^3 + 545*y^8*z^3 - 75*y^9*z^3 + 4*z^4 - 51*y*z^4 + 8*y^2*z^4 + 923*y^3*z^4 - 3098*y^4*z^4 + 4620*y^5*z^4 - 3609*y^6*z^4 + 1422*y^7*z^4 - 223*y^8*z^4 - 18*z^5 + 84*y*z^5 + 223*y^2*z^5 - 1737*y^3*z^5 + 3689*y^4*z^5 - 3729*y^5*z^5 + 1822*y^6*z^5 - 342*y^7*z^5 + 32*z^6 - 72*y*z^6 - 325*y^2*z^6 + 1378*y^3*z^6 - 1974*y^4*z^6 + 1250*y^5*z^6 - 289*y^6*z^6 - 28*z^7 + 42*y*z^7 + 154*y^2*z^7 - 455*y^3*z^7 + 418*y^4*z^7 - 123*y^5*z^7 + 12*z^8 - 21*y*z^8 - 9*y^2*z^8 + 39*y^3*z^8 - 17*y^4*z^8 - 2*z^9 + 6*y*z^9 - 6*y^2*z^9 + 2*y^3*z^9))/(6*(-1 + y)^3*y^2*(-1 + z)*(-1 + y + z)^2* (y + z)^3) - ((y^3 - 5*y^4 + 10*y^5 - 10*y^6 + 5*y^7 - y^8 + y^2*z - 9*y^3*z + 28*y^4*z - 42*y^5*z + 33*y^6*z - 13*y^7*z + 2*y^8*z - 6*y^2*z^2 + 30*y^3*z^2 - 58*y^4*z^2 + 54*y^5*z^2 - 24*y^6*z^2 + 4*y^7*z^2 + 4*z^3 - 33*y*z^3 + 105*y^2*z^3 - 161*y^3*z^3 + 127*y^4*z^3 - 50*y^5*z^3 + 8*y^6*z^3 - 14*z^4 + 88*y*z^4 - 207*y^2*z^4 + 215*y^3*z^4 - 103*y^4*z^4 + 21*y^5*z^4 + 16*z^5 - 73*y*z^5 + 123*y^2*z^5 - 79*y^3*z^5 + 21*y^4*z^5 - 6*z^6 + 18*y*z^6 - 18*y^2*z^6 + 6*y^3*z^6)*G[0, 1 - y, z])/ ((-1 + y)^3*y^2*z^2*(-1 + y + z)) - ((-2*y + 2*y^2 + 13*y^3 - 31*y^4 + 25*y^5 - 7*y^6 - 6*z + 26*y*z - 35*y^2*z + 3*y^3*z + 26*y^4*z - 17*y^5*z + 3*y^6*z + 18*z^2 - 64*y*z^2 + 81*y^2*z^2 - 30*y^3*z^2 - 5*y^4*z^2 + 4*y^5*z^2 - 18*z^3 + 58*y*z^3 - 66*y^2*z^3 + 24*y^3*z^3 - 2*y^4*z^3 + 6*z^4 - 18*y*z^4 + 18*y^2*z^4 - 6*y^3*z^4)*G[0, -y, z])/ ((-1 + y)^3*y^2*(-1 + z)) + ((-1 + z)*(y - 2*y^2 + y^3 + 2*z - 8*y*z + 8*y^2*z - 2*y^3*z - 8*z^2 + 19*y*z^2 - 13*y^2*z^2 + 7*y^3*z^2 + 12*z^3 - 18*y*z^3 + 7*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[1, 0, z])/(y^2*z*(-1 + y + z)^2) + ((-y^2 + 3*y^3 - 2*y^4 - y*z + 2*y^2*z - 2*y^4*z - 2*z^2 + 6*y*z^2 - 9*y^2*z^2 + 21*y^3*z^2 - 16*y^4*z^2 + 6*z^3 - 7*y*z^3 + 15*y^2*z^3 - 30*y^3*z^3 + 4*y^4*z^3 - 4*z^4 - 5*y*z^4 - 6*y^2*z^4 + 6*y^3*z^4 - 4*z^5 + 12*y*z^5 - y^2*z^5 + 6*z^6 - 5*y*z^6 - 2*z^7)*G[1, 1 - y, z])/(y^2*(-1 + z)*z^2* (-1 + y + z)) + ((-2*y^3 + 8*y^4 - 12*y^5 + 8*y^6 - 2*y^7 - y*z + 3*y^2*z + 4*y^3*z - 22*y^4*z + 27*y^5*z - 13*y^6*z + 2*y^7*z - 2*z^2 + 9*y*z^2 - 15*y^2*z^2 + 10*y^3*z^2 - 3*y^5*z^2 + y^6*z^2 + 10*z^3 - 47*y*z^3 + 86*y^2*z^3 - 82*y^3*z^3 + 40*y^4*z^3 - 7*y^5*z^3 - 14*z^4 + 57*y*z^4 - 87*y^2*z^4 + 71*y^3*z^4 - 19*y^4*z^4 + 6*z^5 - 18*y*z^5 + 18*y^2*z^5 - 6*y^3*z^5)* G[1 - y, 0, z])/((-1 + y)^3*y^2*z^2) + ((y^5 - 4*y^6 + 6*y^7 - 4*y^8 + y^9 - y^3*z + 8*y^4*z - 26*y^5*z + 45*y^6*z - 44*y^7*z + 23*y^8*z - 5*y^9*z + y^2*z^2 + 6*y^3*z^2 - 43*y^4*z^2 + 92*y^5*z^2 - 97*y^6*z^2 + 58*y^7*z^2 - 21*y^8*z^2 + 4*y^9*z^2 + 8*y^2*z^3 - 37*y^3*z^3 + 65*y^4*z^3 - 69*y^5*z^3 + 57*y^6*z^3 - 34*y^7*z^3 + 10*y^8*z^3 + 9*y*z^4 - 35*y^2*z^4 + 35*y^3*z^4 - y^4*z^4 + 6*y^5*z^4 - 12*y^6*z^4 + 6*y^7*z^4 + 4*z^5 - 31*y*z^5 + 54*y^2*z^5 - 9*y^3*z^5 - 21*y^4*z^5 + 16*y^5*z^5 - 5*y^6*z^5 - 12*z^6 + 47*y*z^6 - 55*y^2*z^6 + 21*y^3*z^6 - 5*y^4*z^6 - 4*y^5*z^6 + 12*z^7 - 37*y*z^7 + 39*y^2*z^7 - 27*y^3*z^7 + 5*y^4*z^7 - 4*z^8 + 12*y*z^8 - 12*y^2*z^8 + 4*y^3*z^8)*G[1 - y, 1 - y, z])/((-1 + y)^3*y^2* (-1 + z)*z^2*(y + z)^2) - ((y^3 - 4*y^4 + 6*y^5 - 4*y^6 + y^7 - 3*y^3*z + 12*y^4*z - 18*y^5*z + 12*y^6*z - 3*y^7*z - 2*y*z^2 + 4*y^2*z^2 + 8*y^3*z^2 - 30*y^4*z^2 + 32*y^5*z^2 - 14*y^6*z^2 + 2*y^7*z^2 - 6*z^3 + 26*y*z^3 - 39*y^2*z^3 + 22*y^3*z^3 + 3*y^4*z^3 - 8*y^5*z^3 + 2*y^6*z^3 + 18*z^4 - 64*y*z^4 + 83*y^2*z^4 - 54*y^3*z^4 + 13*y^4*z^4 - 18*z^5 + 58*y*z^5 - 66*y^2*z^5 + 36*y^3*z^5 - 6*y^4*z^5 + 6*z^6 - 18*y*z^6 + 18*y^2*z^6 - 6*y^3*z^6)*G[1 - y, -y, z])/((-1 + y)^3*y^2*(-1 + z)* z^2) - ((-2*y - 4*z + 5*y*z + y^2*z + 6*z^2 - y*z^2 - 2*z^3)* G[-y, 0, z])/y^2 - ((-2*y^3 + y^4 + 3*y^3*z - 2*y*z^2 - 2*y^2*z^2 + 2*y^3*z^2 - 2*z^3 + 6*y*z^3 + 6*z^4 - 6*y*z^4 - 4*z^5)*G[-y, 1 - y, z])/(y^2*z^2) + ((2*y^3 - 3*y^4 - 11*y^3*z + 4*y^4*z - y*z^2 - 3*y^2*z^2 + 5*y^3*z^2 - 4*z^3 + 6*y*z^3 + 10*z^4 - 7*y*z^4 - 6*z^5)* G[-y, -y, z])/(y^2*z^2)) + G[1, 0, y]* (((2*I)*Pi*(y^2 - 3*y^3 + 3*y^4 - y^5 + 2*y*z - 16*y^2*z + 28*y^3*z - 16*y^4*z + 2*y^5*z + 5*z^2 - 35*y*z^2 + 76*y^2*z^2 - 56*y^3*z^2 + 12*y^4*z^2 - 18*z^3 + 72*y*z^3 - 76*y^2*z^3 + 22*y^3*z^3 + 21*z^4 - 43*y*z^4 + 16*y^2*z^4 - 8*z^5 + 4*y*z^5))/ (z*(-1 + y + z)^2*(y + z)^2) + (9*y^2 - 27*y^3 + 27*y^4 - 9*y^5 + 15*y*z - 121*y^2*z + 209*y^3*z - 116*y^4*z + 13*y^5*z + 34*z^2 - 248*y*z^2 + 552*y^2*z^2 - 398*y^3*z^2 + 70*y^4*z^2 - 126*z^3 + 529*y*z^3 - 560*y^2*z^3 + 132*y^3*z^3 + 159*z^4 - 345*y*z^4 + 115*y^2*z^4 - 76*z^5 + 49*y*z^5 + 9*z^6)/(z*(-1 + y + z)^2* (y + z)^2) + (Pi^2*(y^4 - y^5 - 13*y^6 + 25*y^7 - 12*y^8 + 9*y^3*z - 25*y^4*z - 27*y^5*z + 98*y^6*z - 61*y^7*z + 4*y^8*z + 13*y^2*z^2 - 76*y^3*z^2 + 54*y^4*z^2 + 119*y^5*z^2 - 117*y^6*z^2 + 12*y^7*z^2 + 13*y*z^3 - 105*y^2*z^3 + 225*y^3*z^3 - 57*y^4*z^3 - 84*y^5*z^3 + 8*y^6*z^3 + 4*z^4 - 77*y*z^4 + 295*y^2*z^4 - 326*y^3*z^4 + 73*y^4*z^4 - 15*y^5*z^4 - 20*z^5 + 178*y*z^5 - 385*y^2*z^5 + 236*y^3*z^5 - 46*y^4*z^5 + 40*z^6 - 202*y*z^6 + 240*y^2*z^6 - 68*y^3*z^6 - 40*z^7 + 113*y*z^7 - 58*y^2*z^7 + 20*z^8 - 25*y*z^8 - 4*z^9))/(6*y^2*(-1 + z)* (-1 + y + z)^2*(y + z)^3) + ((-1 + z)*(-y^2 + y^3 + y^2*z - 2*y^3*z - 4*z^2 + 13*y*z^2 - 14*y^2*z^2 + 7*y^3*z^2 + 12*z^3 - 26*y*z^3 + 14*y^2*z^3 - 12*z^4 + 13*y*z^4 + 4*z^5)*G[1, 0, z])/ (y^2*z*(-1 + y + z)^2) - ((y - 4*y^2 + 5*y^3 - 2*y^4 - 3*y*z + 5*y^2*z - 2*y^4*z + z^2 + 8*y*z^2 - 30*y^2*z^2 + 35*y^3*z^2 - 16*y^4*z^2 - 4*z^3 - 17*y*z^3 + 66*y^2*z^3 - 50*y^3*z^3 + 4*y^4*z^3 + 6*z^4 + 18*y*z^4 - 42*y^2*z^4 + 10*y^3*z^4 - 4*z^5 - 8*y*z^5 + 5*y^2*z^5 + z^6 + y*z^6)*G[1, 1 - y, z])/ (y*(-1 + z)*z^2*(-1 + y + z)^2) - ((-2*y^5 + 2*y^6 + 2*y^3*z - 14*y^4*z + 18*y^5*z - 8*y^6*z + 6*y^7*z + 14*y^2*z^2 - 61*y^3*z^2 + 87*y^4*z^2 - 47*y^5*z^2 + 23*y^6*z^2 + 12*y*z^3 - 94*y^2*z^3 + 191*y^3*z^3 - 132*y^4*z^3 + 43*y^5*z^3 + 4*z^4 - 61*y*z^4 + 207*y^2*z^4 - 210*y^3*z^4 + 64*y^4*z^4 - 16*z^5 + 111*y*z^5 - 188*y^2*z^5 + 78*y^3*z^5 + 24*z^6 - 87*y*z^6 + 61*y^2*z^6 - 16*z^7 + 25*y*z^7 + 4*z^8)* G[1 - y, 0, z])/(y^2*(-1 + y + z)^2*(y + z)^3) + ((-y^4 + y^5 + y^6 - y^7 - 3*y^3*z + 8*y^4*z - 2*y^5*z - 4*y^6*z + y^7*z - 3*y^2*z^2 + 17*y^3*z^2 - 24*y^4*z^2 + 10*y^5*z^2 - 5*y^6*z^2 - y*z^3 + 11*y^2*z^3 - 44*y^3*z^3 + 53*y^4*z^3 - 38*y^5*z^3 + 4*y*z^4 - 30*y^2*z^4 + 68*y^3*z^4 - 70*y^4*z^4 + 5*y^5*z^4 - z^5 - 8*y*z^5 + 34*y^2*z^5 - 46*y^3*z^5 + 10*y^4*z^5 + 3*z^6 + 3*y*z^6 - 2*y^2*z^6 - 3*z^7 + 7*y*z^7 - 10*y^2*z^7 + z^8 - 5*y*z^8)*G[1 - y, 1 - y, z])/ (y*(-1 + z)*z^2*(-1 + y + z)*(y + z)^3) + (2*y*(1 - y - 2*z + 2*y*z + 2*z^2)*G[1 - y, -y, z])/z^2 + ((2*y^6 - 6*y^7 + 6*y^8 - 2*y^9 + 4*y^5*z - 18*y^6*z + 27*y^7*z - 15*y^8*z + 2*y^9*z - 12*y^5*z^2 + 45*y^6*z^2 - 45*y^7*z^2 + 13*y^8*z^2 + 5*y^4*z^3 + 23*y^5*z^3 - 63*y^6*z^3 + 33*y^7*z^3 - 22*y^2*z^4 + 73*y^3*z^4 - 84*y^4*z^4 - 9*y^5*z^4 + 39*y^6*z^4 - 12*y*z^5 + 113*y^2*z^5 - 219*y^3*z^5 + 123*y^4*z^5 + 7*y^5*z^5 - 4*z^6 + 61*y*z^6 - 223*y^2*z^6 + 225*y^3*z^6 - 49*y^4*z^6 + 16*z^7 - 111*y*z^7 + 195*y^2*z^7 - 81*y^3*z^7 - 24*z^8 + 87*y*z^8 - 63*y^2*z^8 + 16*z^9 - 25*y*z^9 - 4*z^10)*G[-y, 0, z])/ (y^2*z^2*(-1 + y + z)^2*(y + z)^3) + ((-y^6 + 2*y^7 - y^8 - y^5*z - 2*y^6*z + 10*y^7*z - 9*y^8*z + 2*y^9*z + 3*y^4*z^2 - 26*y^5*z^2 + 58*y^6*z^2 - 49*y^7*z^2 + 12*y^8*z^2 + y^3*z^3 - 39*y^4*z^3 + 119*y^5*z^3 - 117*y^6*z^3 + 33*y^7*z^3 + 22*y^2*z^4 - 87*y^3*z^4 + 187*y^4*z^4 - 181*y^5*z^4 + 56*y^6*z^4 + 12*y*z^5 - 115*y^2*z^5 + 256*y^3*z^5 - 235*y^4*z^5 + 73*y^5*z^5 + 4*z^6 - 61*y*z^6 + 228*y^2*z^6 - 259*y^3*z^6 + 88*y^4*z^6 - 16*z^7 + 111*y*z^7 - 199*y^2*z^7 + 91*y^3*z^7 + 24*z^8 - 87*y*z^8 + 64*y^2*z^8 - 16*z^9 + 25*y*z^9 + 4*z^10)*G[-y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2*(y + z)^3) - ((2*y^3 - 2*y^4 - 4*y^3*z + 4*y^4*z - y*z^2 + 5*y^2*z^2 + 3*y^3*z^2 - 4*z^3 + 6*y*z^3 - 2*y^2*z^3 + 8*z^4 - 5*y*z^4 - 4*z^5)*G[-y, -y, z])/(y^2*z^2)) + G[1, 1, y]* (((-2*I)*Pi*(-1 + y + z)*(-y^2 + 5*y*z + 2*y^2*z + 2*z^2 - 2*z^3))/ (y*z*(y + z)) - ((-1 + y + z)*(13*y^2 - 21*y^3 + 8*y^4 - 24*y*z + 7*y^2*z + 21*y^3*z - 15*z^2 + 21*y*z^2 - 2*y^2*z^2 + 15*z^3 - 15*y*z^3))/((-1 + y)*y*z*(y + z)) - (Pi^2*(y - 9*y^2 + 48*y^3 - 140*y^4 + 225*y^5 - 201*y^6 + 94*y^7 - 18*y^8 + 6*z - 40*y*z + 117*y^2*z - 236*y^3*z + 376*y^4*z - 414*y^5*z + 263*y^6*z - 78*y^7*z + 6*y^8*z - 28*z^2 + 156*y*z^2 - 357*y^2*z^2 + 480*y^3*z^2 - 442*y^4*z^2 + 280*y^5*z^2 - 109*y^6*z^2 + 20*y^7*z^2 + 52*z^3 - 250*y*z^3 + 477*y^2*z^3 - 508*y^3*z^3 + 316*y^4*z^3 - 98*y^5*z^3 + 11*y^6*z^3 - 48*z^4 + 199*y*z^4 - 318*y^2*z^4 + 282*y^3*z^4 - 126*y^4*z^4 + 19*y^5*z^4 + 22*z^5 - 78*y*z^5 + 102*y^2*z^5 - 70*y^3*z^5 + 16*y^4*z^5 - 4*z^6 + 12*y*z^6 - 12*y^2*z^6 + 4*y^3*z^6))/ (6*(-1 + y)^3*y^2*(-1 + z)*(-1 + y + z)^2) + ((3 + 4*y - 3*z)*z*(-2 + y + 2*z)*G[1 - y, 0, z])/y^2 - ((-y^4 + 6*y^5 - 14*y^6 + 16*y^7 - 9*y^8 + 2*y^9 - 2*y^3*z + 7*y^4*z - 8*y^5*z + 8*y^6*z - 16*y^7*z + 17*y^8*z - 6*y^9*z + 4*y^2*z^2 - 22*y^3*z^2 + 60*y^4*z^2 - 80*y^5*z^2 + 36*y^6*z^2 + 18*y^7*z^2 - 20*y^8*z^2 + 4*y^9*z^2 + 5*y*z^3 - 39*y^2*z^3 + 109*y^3*z^3 - 147*y^4*z^3 + 104*y^5*z^3 - 30*y^6*z^3 - 6*y^7*z^3 + 4*y^8*z^3 + 2*z^4 - 30*y*z^4 + 100*y^2*z^4 - 134*y^3*z^4 + 86*y^4*z^4 - 44*y^5*z^4 + 16*y^6*z^4 - 4*y^7*z^4 - 10*z^5 + 63*y*z^5 - 117*y^2*z^5 + 71*y^3*z^5 - 17*y^4*z^5 + 2*y^5*z^5 + 18*z^6 - 68*y*z^6 + 82*y^2*z^6 - 36*y^3*z^6 + 8*y^4*z^6 + 4*y^5*z^6 - 14*z^7 + 42*y*z^7 - 42*y^2*z^7 + 26*y^3*z^7 - 4*y^4*z^7 + 4*z^8 - 12*y*z^8 + 12*y^2*z^8 - 4*y^3*z^8)*G[1 - y, -y, z])/((-1 + y)^3*y^2*(-1 + z)*z^2* (y + z)^2) - ((2*y^3 - 2*y^4 - 7*y^3*z + 2*y^4*z + 2*y*z^2 + y^3*z^2 + 2*z^3 - 5*y*z^3 - 4*z^4 + 3*y*z^4 + 2*z^5)*G[-y, 0, z])/ (y^2*z^2) - ((3*y^3 - 3*y^4 - 4*y^2*z + 2*y^3*z + 6*y^4*z + 8*y^2*z^2 - 5*y^3*z^2 - 6*z^3 - 5*y*z^3 + 12*z^4 + 5*y*z^4 - 6*z^5)*G[-y, 1 - y, z])/(y^2*z^2) - ((-y^3 + y^4 + 5*y^3*z - y*z^2 - 3*y^2*z^2 + 2*z^3 - 3*y*z^3 + 2*y^2*z^3 - 4*z^4 + 4*y*z^4 + 2*z^5)*G[-y, -y, z])/(y^2*z^2)) + (y*(-3 + 6*y - 3*y^2 + 23*z - 29*y*z + 6*y^2*z - 20*z^2 + 12*y*z^2)* G[0, 0, 0, y])/((-1 + y)*z*(-1 + y + z)) - (6*(-1 + z)*z*(-1 + 2*y + z)*G[0, 0, 0, z])/(y*(-1 + y + z)) + (((-2*I)*Pi*(-3*y^2 + 15*y^3 - 27*y^4 + 21*y^5 - 6*y^6 + 2*z - 11*y*z + 26*y^2*z - 37*y^3*z + 30*y^4*z - 12*y^5*z + 2*y^6*z - 6*z^2 + 28*y*z^2 - 50*y^2*z^2 + 51*y^3*z^2 - 22*y^4*z^2 + 3*y^5*z^2 + 6*z^3 - 23*y*z^3 + 33*y^2*z^3 - 27*y^3*z^3 + 7*y^4*z^3 - 2*z^4 + 6*y*z^4 - 6*y^2*z^4 + 2*y^3*z^4))/ ((-1 + y)^3*y^2*(-1 + z)) - (-y^3 + 4*y^4 - 6*y^5 + 4*y^6 - y^7 + y^2*z - 13*y^3*z + 46*y^4*z - 70*y^5*z + 49*y^6*z - 13*y^7*z - 17*z^2 + 84*y*z^2 - 174*y^2*z^2 + 231*y^3*z^2 - 230*y^4*z^2 + 155*y^5*z^2 - 59*y^6*z^2 + 10*y^7*z^2 + 68*z^3 - 303*y*z^3 + 552*y^2*z^3 - 589*y^3*z^3 + 387*y^4*z^3 - 133*y^5*z^3 + 18*y^6*z^3 - 102*z^4 + 405*y*z^4 - 637*y^2*z^4 + 554*y^3*z^4 - 250*y^4*z^4 + 42*y^5*z^4 + 68*z^5 - 237*y*z^5 + 309*y^2*z^5 - 199*y^3*z^5 + 47*y^4*z^5 - 17*z^6 + 51*y*z^6 - 51*y^2*z^6 + 17*y^3*z^6)/((-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)))* G[0, 0, 1, y] + (((-2*I)*Pi*z*(-1 + 3*y + z)*(-2 + y + 2*z))/y^2 - (z*(-17 + 81*y - 151*y^2 + 137*y^3 - 60*y^4 + 10*y^5 + 51*z - 196*y*z + 271*y^2*z - 170*y^3*z + 44*y^4*z - 51*z^2 + 149*y*z^2 - 137*y^2*z^2 + 47*y^3*z^2 + 17*z^3 - 34*y*z^3 + 17*y^2*z^3))/ ((-1 + y)^2*y^2*(-1 + y + z)))*G[0, 0, 1 - y, z] + (((2*I)*Pi*(-3*y^3 + 9*y^4 - 6*y^5 - 2*y*z - 6*y^2*z + 37*y^3*z - 29*y^4*z + 2*y^5*z + 2*z^2 - 7*y*z^2 + 54*y^2*z^2 - 61*y^3*z^2 + 8*y^4*z^2 - 8*z^3 + 39*y*z^3 - 69*y^2*z^3 + 15*y^3*z^3 + 13*z^4 - 41*y*z^4 + 17*y^2*z^4 - 10*z^5 + 11*y*z^5 + 3*z^6))/ ((-1 + z)*(-1 + y + z)*(y + z)^3) + (2*y^4 - 5*y^5 + 3*y^6 + y^7 - y^8 + 3*y^3*z - 21*y^4*z + 46*y^5*z - 52*y^6*z + 35*y^7*z - 11*y^8*z - 13*y^2*z^2 + 23*y^3*z^2 + 68*y^4*z^2 - 221*y^5*z^2 + 224*y^6*z^2 - 89*y^7*z^2 + 8*y^8*z^2 - 6*y*z^3 + 61*y^2*z^3 - 34*y^3*z^3 - 277*y^4*z^3 + 487*y^5*z^3 - 278*y^6*z^3 + 45*y^7*z^3 - 4*z^4 + 42*y*z^4 - 122*y^2*z^4 - 63*y^3*z^4 + 453*y^4*z^4 - 413*y^5*z^4 + 103*y^6*z^4 + 20*z^5 - 115*y*z^5 + 163*y^2*z^5 + 89*y^3*z^5 - 271*y^4*z^5 + 114*y^5*z^5 - 40*z^6 + 157*y*z^6 - 156*y^2*z^6 - 7*y^3*z^6 + 50*y^4*z^6 + 40*z^7 - 111*y*z^7 + 84*y^2*z^7 - 11*y^3*z^7 - 20*z^8 + 37*y*z^8 - 17*y^2*z^8 + 4*z^9 - 4*y*z^9)/((-1 + y)*y*(-1 + z)*z* (-1 + y + z)^2*(y + z)^3))*G[0, 1, 0, y] + (((2*I)*Pi*(-1 + 2*y + z)*(y^3 - 3*y^4 + 3*y^5 - y^6 + 5*y^2*z - 10*y^3*z + 2*y^4*z + 6*y^5*z - 3*y^6*z + y*z^2 + 7*y^2*z^2 - 35*y^3*z^2 + 42*y^4*z^2 - 18*y^5*z^2 + 3*y^6*z^2 + z^3 + 10*y*z^3 - 51*y^2*z^3 + 71*y^3*z^3 - 36*y^4*z^3 + 9*y^5*z^3 + 4*z^4 - 26*y*z^4 + 51*y^2*z^4 - 30*y^3*z^4 + 9*y^4*z^4 - 5*z^5 + 15*y*z^5 - 9*y^2*z^5 + 3*y^3*z^5))/((-1 + y)^3*y*(-1 + y + z)* (y + z)^3) + ((-1 + 2*y + z)*(-5*y^4 + 20*y^5 - 30*y^6 + 20*y^7 - 5*y^8 - 21*y^3*z + 76*y^4*z - 95*y^5*z + 39*y^6*z + 8*y^7*z - 7*y^8*z - 2*y^2*z^2 - 8*y^3*z^2 + 103*y^4*z^2 - 218*y^5*z^2 + 177*y^6*z^2 - 60*y^7*z^2 + 8*y^8*z^2 + 6*y*z^3 - 86*y^2*z^3 + 364*y^3*z^3 - 639*y^4*z^3 + 499*y^5*z^3 - 176*y^6*z^3 + 32*y^7*z^3 + 4*z^4 - 58*y*z^4 + 306*y^2*z^4 - 666*y^3*z^4 + 624*y^4*z^4 - 250*y^5*z^4 + 52*y^6*z^4 - 12*z^5 + 110*y*z^5 - 330*y^2*z^5 + 401*y^3*z^5 - 189*y^4*z^5 + 44*y^5*z^5 + 12*z^6 - 70*y*z^6 + 124*y^2*z^6 - 74*y^3*z^6 + 20*y^4*z^6 - 4*z^7 + 12*y*z^7 - 12*y^2*z^7 + 4*y^3*z^7))/((-1 + y)^3*y^2* (-1 + y + z)^2*(y + z)^3))*G[0, 1, 0, z] + (((2*I)*Pi*(1 + 2*y - z)*z*(-2 + y + 2*z))/y^2 - (y^3 - 5*y^4 + 7*y^5 - 3*y^6 + 5*y^2*z - 10*y^3*z + 9*y^4*z - 8*y^5*z + 4*y^6*z + 11*y*z^2 - 19*y^2*z^2 + 6*y^3*z^2 - 7*y^4*z^2 + y^5*z^2 + 9*z^3 - 36*y*z^3 + 40*y^2*z^3 - 24*y^3*z^3 - 5*y^4*z^3 - 18*z^4 + 43*y*z^4 - 40*y^2*z^4 + 7*y^3*z^4 + 9*z^5 - 18*y*z^5 + 9*y^2*z^5)/((-1 + y)^2*y^2*z*(y + z)))*G[0, 1, 1, y] + (((-2*I)*Pi*z*(-1 + 3*y + z)*(-2 + y + 2*z))/y^2 - (z*(-17 + 81*y - 151*y^2 + 137*y^3 - 60*y^4 + 10*y^5 + 51*z - 196*y*z + 271*y^2*z - 170*y^3*z + 44*y^4*z - 51*z^2 + 149*y*z^2 - 137*y^2*z^2 + 47*y^3*z^2 + 17*z^3 - 34*y*z^3 + 17*y^2*z^3))/ ((-1 + y)^2*y^2*(-1 + y + z)))*G[0, 1 - y, 0, z] + (((-2*I)*Pi*(1 + 2*y - z)*z*(-2 + y + 2*z))/y^2 + (2*y^2 - 6*y^3 + 6*y^4 - 2*y^5 - 6*y^2*z + 14*y^3*z - 10*y^4*z + 2*y^5*z + 9*z^2 - 18*y*z^2 + 10*y^2*z^2 + 2*y^3*z^2 - 3*y^4*z^2 - 18*z^3 + 36*y*z^3 - 26*y^2*z^3 + 9*z^4 - 18*y*z^4 + 9*y^2*z^4)/ ((-1 + y)^2*y^2*z))*G[0, 1 - y, 1 - y, z] + (((2*I)*Pi*(3*y^2 - 15*y^3 + 27*y^4 - 21*y^5 + 6*y^6 - 11*y^2*z + 49*y^3*z - 81*y^4*z + 59*y^5*z - 16*y^6*z + 2*z^2 - 12*y*z^2 + 37*y^2*z^2 - 68*y^3*z^2 + 67*y^4*z^2 - 32*y^5*z^2 + 6*y^6*z^2 - 6*z^3 + 30*y*z^3 - 59*y^2*z^3 + 66*y^3*z^3 - 33*y^4*z^3 + 6*y^5*z^3 + 6*z^4 - 24*y*z^4 + 36*y^2*z^4 - 30*y^3*z^4 + 8*y^4*z^4 - 2*z^5 + 6*y*z^5 - 6*y^2*z^5 + 2*y^3*z^5))/ ((-1 + y)^3*y^2*(-1 + z)*z) - (4*y^3 - 24*y^4 + 56*y^5 - 64*y^6 + 36*y^7 - 8*y^8 - y^2*z - 9*y^3*z + 57*y^4*z - 115*y^5*z + 108*y^6*z - 48*y^7*z + 8*y^8*z + 4*y*z^2 - 5*y^2*z^2 - 16*y^3*z^2 + 25*y^4*z^2 + 10*y^5*z^2 - 30*y^6*z^2 + 12*y^7*z^2 - 17*z^3 + 61*y*z^3 - 98*y^2*z^3 + 124*y^3*z^3 - 114*y^4*z^3 + 54*y^5*z^3 - 10*y^6*z^3 + 51*z^4 - 185*y*z^4 + 262*y^2*z^4 - 223*y^3*z^4 + 100*y^4*z^4 - 17*y^5*z^4 - 51*z^5 + 171*y*z^5 - 209*y^2*z^5 + 133*y^3*z^5 - 32*y^4*z^5 + 17*z^6 - 51*y*z^6 + 51*y^2*z^6 - 17*y^3*z^6)/((-1 + y)^3*y^2*(-1 + z)*z^2))* G[0, -y, 1 - y, z] + (((2*I)*Pi*z*(-1 - y + z)*(-3 + 2*y + 3*z))/ (-1 + y + z)^2 - (-2*y^2 + 9*y^3 - 15*y^4 + 11*y^5 - 3*y^6 - 4*y*z + 36*y^2*z - 86*y^3*z + 84*y^4*z - 34*y^5*z + 4*y^6*z - 10*z^2 + 77*y*z^2 - 201*y^2*z^2 + 238*y^3*z^2 - 127*y^4*z^2 + 23*y^5*z^2 + 34*z^3 - 156*y*z^3 + 258*y^2*z^3 - 184*y^3*z^3 + 50*y^4*z^3 - 34*z^4 + 99*y*z^4 - 104*y^2*z^4 + 43*y^3*z^4 + 6*z^5 - 12*y*z^5 + 8*y^2*z^5 + 4*z^6 - 4*y*z^6)/ ((-1 + y)*z*(-1 + y + z)^2*(y + z)^2))*G[1, 0, 0, y] + (((2*I)*Pi*(-1 + z)*z*(-1 + 2*y + z)*(2 - 7*y + 7*y^2 - 4*z + 7*y*z + 2*z^2))/(y^2*(-1 + y + z)^2) + ((-1 + z)*(-1 + 2*y + z)* (4*y^3 - 12*y^4 + 12*y^5 - 4*y^6 + 33*y^2*z - 114*y^3*z + 165*y^4*z - 120*y^5*z + 36*y^6*z + 38*y*z^2 - 202*y^2*z^2 + 382*y^3*z^2 - 326*y^4*z^2 + 108*y^5*z^2 + 17*z^3 - 142*y*z^3 + 350*y^2*z^3 - 342*y^3*z^3 + 125*y^4*z^3 - 34*z^4 + 138*y*z^4 - 166*y^2*z^4 + 70*y^3*z^4 + 17*z^5 - 34*y*z^5 + 17*y^2*z^5))/ ((-1 + y)^2*y^2*(-1 + y + z)^2*(y + z)^2))*G[1, 0, 0, z] + (((2*I)*Pi*(-3*y + 15*y^2 - 27*y^3 + 21*y^4 - 6*y^5 - 5*z + 21*y*z - 32*y^2*z + 25*y^3*z - 11*y^4*z + 2*y^5*z + 10*z^2 - 33*y*z^2 + 30*y^2*z^2 - 13*y^3*z^2 + 2*y^4*z^2 - 5*z^3 + 15*y*z^3 - 9*y^2*z^3 + 3*y^3*z^3))/((-1 + y)^3*y*(-1 + z)) + (3*y^3 - 13*y^4 + 22*y^5 - 18*y^6 + 7*y^7 - y^8 - y^2*z - 6*y^4*z + 39*y^5*z - 66*y^6*z + 45*y^7*z - 11*y^8*z - 6*y*z^2 + 47*y^2*z^2 - 142*y^3*z^2 + 233*y^4*z^2 - 245*y^5*z^2 + 168*y^6*z^2 - 63*y^7*z^2 + 8*y^8*z^2 - 4*z^3 + 54*y*z^3 - 228*y^2*z^3 + 439*y^3*z^3 - 427*y^4*z^3 + 243*y^5*z^3 - 96*y^6*z^3 + 19*y^7*z^3 + 16*z^4 - 138*y*z^4 + 401*y^2*z^4 - 502*y^3*z^4 + 273*y^4*z^4 - 74*y^5*z^4 + 12*y^6*z^4 - 24*z^5 + 150*y*z^5 - 313*y^2*z^5 + 246*y^3*z^5 - 66*y^4*z^5 + 7*y^5*z^5 + 16*z^6 - 72*y*z^6 + 106*y^2*z^6 - 48*y^3*z^6 + 10*y^4*z^6 - 4*z^7 + 12*y*z^7 - 12*y^2*z^7 + 4*y^3*z^7)/((-1 + y)^3*y^2*(-1 + z)*z* (-1 + y + z)*(y + z)))*G[1, 0, 1, y] + (((-4*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((-1 + z)*z*(13 - 31*y + 22*y^2 - 26*z + 31*y*z + 13*z^2))/ (y^2*(-1 + y + z)))*G[1, 0, 1 - y, z] + (((-2*I)*Pi*(3*y^3 - 12*y^4 + 15*y^5 - 6*y^6 - 2*y*z + 14*y^2*z - 51*y^3*z + 75*y^4*z - 36*y^5*z + 2*y^6*z + 2*z^2 + 11*y*z^2 - 80*y^2*z^2 + 157*y^3*z^2 - 97*y^4*z^2 + 9*y^5*z^2 - 4*z^3 - 45*y*z^3 + 165*y^2*z^3 - 149*y^3*z^3 + 22*y^4*z^3 - 4*z^4 + 84*y*z^4 - 135*y^2*z^4 + 36*y^3*z^4 + 16*z^5 - 67*y*z^5 + 36*y^2*z^5 - 14*z^6 + 19*y*z^6 + 4*z^7))/((-1 + z)*(-1 + y + z)^2* (y + z)^3) - (y^4 - 3*y^5 + 3*y^6 - y^7 + 9*y^4*z - 31*y^5*z + 35*y^6*z - 13*y^7*z - 20*y^2*z^2 + 97*y^3*z^2 - 210*y^4*z^2 + 242*y^5*z^2 - 102*y^6*z^2 + 10*y^7*z^2 - 11*y*z^3 + 160*y^2*z^3 - 481*y^3*z^3 + 658*y^4*z^3 - 364*y^5*z^3 + 52*y^6*z^3 - 4*z^4 + 83*y*z^4 - 483*y^2*z^4 + 921*y^3*z^4 - 705*y^4*z^4 + 144*y^5*z^4 + 20*z^5 - 218*y*z^5 + 695*y^2*z^5 - 776*y^3*z^5 + 243*y^4*z^5 - 40*z^6 + 266*y*z^6 - 481*y^2*z^6 + 239*y^3*z^6 + 40*z^7 - 155*y*z^7 + 129*y^2*z^7 - 20*z^8 + 35*y*z^8 + 4*z^9)/ (y*(-1 + z)*z*(-1 + y + z)^2*(y + z)^3))*G[1, 1, 0, y] + (((2*I)*Pi*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 4*y*z + 3*y^2*z - 4*z^2 + 3*y*z^2 + 2*z^3))/(y^2*(-1 + y + z)^2) + ((-1 + z)*(-1 + 2*y + z)*(4*y^3 - 12*y^4 + 12*y^5 - 4*y^6 + 25*y^2*z - 88*y^3*z + 127*y^4*z - 90*y^5*z + 26*y^6*z + 30*y*z^2 - 154*y^2*z^2 + 288*y^3*z^2 - 242*y^4*z^2 + 78*y^5*z^2 + 13*z^3 - 108*y*z^3 + 264*y^2*z^3 - 256*y^3*z^3 + 91*y^4*z^3 - 26*z^4 + 104*y*z^4 - 126*y^2*z^4 + 52*y^3*z^4 + 13*z^5 - 26*y*z^5 + 13*y^2*z^5))/((-1 + y)^2*y^2*(-1 + y + z)^2* (y + z)^2))*G[1, 1, 0, z] + ((-1 + y + z)*(-3*y^2 + 11*y*z + 6*y^2*z + 6*z^2 - 6*z^3)* G[1, 1, 1, y])/(y*z*(y + z)) + G[-y, z]* ((((-2*I)*Pi*(y - y^2 + y^3 + 2*z - 2*y*z - 4*z^2 + y*z^2 + 2*z^3))/ y^2 + (-2*y^2 + y^3 + 6*y^4 - 7*y^5 + 2*y^6 - 2*y*z + 9*y^2*z - 16*y^3*z + 13*y^4*z - 4*y^5*z - 13*z^2 + 32*y*z^2 - 22*y^2*z^2 + 4*y^3*z^2 + 3*y^4*z^2 + 26*z^3 - 56*y*z^3 + 38*y^2*z^3 - 4*y^3*z^3 - 13*z^4 + 26*y*z^4 - 13*y^2*z^4)/((-1 + y)^2*y^2*z))* G[0, 1, y] + (((-2*I)*Pi*y*(1 - y - 2*z + 2*y*z + 2*z^2))/z^2 - ((-1 + y + z)*(-6*y^2 + 3*y*z + 11*y^2*z - 4*z^2 - 3*y*z^2 + 4*z^3))/(y*z^2))*G[1, 0, y] + (((2*I)*Pi*(y^3 - y^4 - 2*y^2*z + 2*y^3*z + 2*y^4*z + 4*y^2*z^2 - 3*y^3*z^2 - 2*z^3 - 3*y*z^3 + 4*z^4 + 3*y*z^4 - 2*z^5))/ (y^2*z^2) + (10*y^4 - 38*y^5 + 54*y^6 - 34*y^7 + 8*y^8 + 12*y^3*z - 67*y^4*z + 127*y^5*z - 101*y^6*z + 29*y^7*z + 2*y^2*z^2 - 38*y^3*z^2 + 95*y^4*z^2 - 84*y^5*z^2 + 25*y^6*z^2 - 7*y*z^3 - 3*y^2*z^3 + 37*y^3*z^3 - 29*y^4*z^3 + 10*y^5*z^3 - 9*z^4 + 28*y*z^4 - 17*y^2*z^4 + 2*y^3*z^4 + 12*y^4*z^4 + 18*z^5 - 39*y*z^5 + 32*y^2*z^5 - 3*y^3*z^5 - 9*z^6 + 18*y*z^6 - 9*y^2*z^6)/((-1 + y)^2*y^2*z^2*(y + z)))*G[1, 1, y] + ((-y^4 - 4*y^3*z + 2*y^4*z - 2*y*z^2 - 3*y^2*z^2 + 4*y^3*z^2 - 4*z^3 + 7*y*z^3 + y^2*z^3 + 8*z^4 - 5*y*z^4 - 4*z^5)* G[0, 0, 1, y])/(y^2*z^2) - ((2*y^6 - 6*y^7 + 6*y^8 - 2*y^9 + 4*y^5*z - 18*y^6*z + 27*y^7*z - 15*y^8*z + 2*y^9*z - 12*y^5*z^2 + 45*y^6*z^2 - 45*y^7*z^2 + 13*y^8*z^2 + 5*y^4*z^3 + 23*y^5*z^3 - 63*y^6*z^3 + 33*y^7*z^3 - 22*y^2*z^4 + 73*y^3*z^4 - 84*y^4*z^4 - 9*y^5*z^4 + 39*y^6*z^4 - 12*y*z^5 + 113*y^2*z^5 - 219*y^3*z^5 + 123*y^4*z^5 + 7*y^5*z^5 - 4*z^6 + 61*y*z^6 - 223*y^2*z^6 + 225*y^3*z^6 - 49*y^4*z^6 + 16*z^7 - 111*y*z^7 + 195*y^2*z^7 - 81*y^3*z^7 - 24*z^8 + 87*y*z^8 - 63*y^2*z^8 + 16*z^9 - 25*y*z^9 - 4*z^10)*G[0, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2*(y + z)^3) + ((2*y^3 - 2*y^4 - 7*y^3*z + 2*y^4*z + 2*y*z^2 - 2*y^2*z^2 + 3*y^3*z^2 + 2*z^3 - 3*y*z^3 - 4*z^4 + y*z^4 + 2*z^5)* G[0, 1, 1, y])/(y^2*z^2) + ((2*y - y^2 + 2*y^2*z + 2*z^2 + y*z^2 - z^3)*G[1, 0, 0, y])/z^2 - ((-2*y^3 + y^4 + 3*y^3*z - 2*y*z^2 - 2*y^2*z^2 + 2*y^3*z^2 - 2*z^3 + 6*y*z^3 + 6*z^4 - 6*y*z^4 - 4*z^5)*G[1, 0, 1, y])/(y^2*z^2) + ((-y^6 + 2*y^7 - y^8 - y^5*z - 2*y^6*z + 10*y^7*z - 9*y^8*z + 2*y^9*z + 3*y^4*z^2 - 26*y^5*z^2 + 58*y^6*z^2 - 49*y^7*z^2 + 12*y^8*z^2 + y^3*z^3 - 39*y^4*z^3 + 119*y^5*z^3 - 117*y^6*z^3 + 33*y^7*z^3 + 22*y^2*z^4 - 87*y^3*z^4 + 187*y^4*z^4 - 181*y^5*z^4 + 56*y^6*z^4 + 12*y*z^5 - 115*y^2*z^5 + 256*y^3*z^5 - 235*y^4*z^5 + 73*y^5*z^5 + 4*z^6 - 61*y*z^6 + 228*y^2*z^6 - 259*y^3*z^6 + 88*y^4*z^6 - 16*z^7 + 111*y*z^7 - 199*y^2*z^7 + 91*y^3*z^7 + 24*z^8 - 87*y*z^8 + 64*y^2*z^8 - 16*z^9 + 25*y*z^9 + 4*z^10)*G[1, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2*(y + z)^3) - ((3*y^3 - 3*y^4 - 4*y^2*z + 2*y^3*z + 6*y^4*z + 8*y^2*z^2 - 5*y^3*z^2 - 6*z^3 - 5*y*z^3 + 12*z^4 + 5*y*z^4 - 6*z^5)* G[1, 1, 1, y])/(y^2*z^2)) + (((-4*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((-1 + z)*z*(13 - 31*y + 22*y^2 - 26*z + 31*y*z + 13*z^2))/ (y^2*(-1 + y + z)))*G[1, 1 - y, 0, z] + (((-2*I)*Pi*z*(-1 + 3*y + z)*(-2 + y + 2*z))/y^2 - (z*(-17 + 81*y - 151*y^2 + 137*y^3 - 60*y^4 + 10*y^5 + 51*z - 196*y*z + 271*y^2*z - 170*y^3*z + 44*y^4*z - 51*z^2 + 149*y*z^2 - 137*y^2*z^2 + 47*y^3*z^2 + 17*z^3 - 34*y*z^3 + 17*y^2*z^3))/ ((-1 + y)^2*y^2*(-1 + y + z)))*G[1 - y, 0, 0, z] + (((-2*I)*Pi*(1 + 2*y - z)*z*(-2 + y + 2*z))/y^2 + (2*y^2 - 6*y^3 + 6*y^4 - 2*y^5 - 6*y^2*z + 14*y^3*z - 10*y^4*z + 2*y^5*z + 9*z^2 - 18*y*z^2 + 10*y^2*z^2 + 2*y^3*z^2 - 3*y^4*z^2 - 18*z^3 + 36*y*z^3 - 26*y^2*z^3 + 9*z^4 - 18*y*z^4 + 9*y^2*z^4)/ ((-1 + y)^2*y^2*z))*G[1 - y, 0, 1 - y, z] + (((2*I)*Pi*(-y^4 + 3*y^5 - 3*y^6 + y^7 - 7*y^3*z + 26*y^4*z - 34*y^5*z + 8*y^6*z + 23*y^7*z - 22*y^8*z + 6*y^9*z - 7*y^2*z^2 + 33*y^3*z^2 - 52*y^4*z^2 + 3*y^5*z^2 + 81*y^6*z^2 - 80*y^7*z^2 + 22*y^8*z^2 - 7*y*z^3 + 42*y^2*z^3 - 87*y^3*z^3 + 52*y^4*z^3 + 72*y^5*z^3 - 108*y^6*z^3 + 32*y^7*z^3 - 2*z^4 + 26*y*z^4 - 85*y^2*z^4 + 110*y^3*z^4 - 25*y^4*z^4 - 58*y^5*z^4 + 22*y^6*z^4 + 6*z^5 - 37*y*z^5 + 80*y^2*z^5 - 69*y^3*z^5 + 4*y^4*z^5 + 4*y^5*z^5 - 6*z^6 + 24*y*z^6 - 36*y^2*z^6 + 18*y^3*z^6 - 4*y^4*z^6 + 2*z^7 - 6*y*z^7 + 6*y^2*z^7 - 2*y^3*z^7))/ ((-1 + y)^3*y^2*(-1 + y + z)*(y + z)^3) + (5*y^4 - 32*y^5 + 90*y^6 - 140*y^7 + 125*y^8 - 60*y^9 + 12*y^10 + 34*y^3*z - 220*y^4*z + 599*y^5*z - 851*y^6*z + 625*y^7*z - 173*y^8*z - 38*y^9*z + 24*y^10*z + 41*y^2*z^2 - 366*y^3*z^2 + 1241*y^4*z^2 - 2053*y^5*z^2 + 1629*y^6*z^2 - 381*y^7*z^2 - 209*y^8*z^2 + 98*y^9*z^2 + 33*y*z^3 - 359*y^2*z^3 + 1480*y^3*z^3 - 2970*y^4*z^3 + 2911*y^5*z^3 - 1051*y^6*z^3 - 195*y^7*z^3 + 151*y^8*z^3 + 9*z^4 - 181*y*z^4 + 1030*y^2*z^4 - 2656*y^3*z^4 + 3383*y^4*z^4 - 1889*y^5*z^4 + 201*y^6*z^4 + 91*y^7*z^4 - 36*z^5 + 372*y*z^5 - 1364*y^2*z^5 + 2343*y^3*z^5 - 1861*y^4*z^5 + 532*y^5*z^5 - 22*y^6*z^5 + 54*z^6 - 360*y*z^6 + 896*y^2*z^6 - 999*y^3*z^6 + 441*y^4*z^6 - 68*y^5*z^6 - 36*z^7 + 163*y*z^7 - 271*y^2*z^7 + 173*y^3*z^7 - 41*y^4*z^7 + 9*z^8 - 27*y*z^8 + 27*y^2*z^8 - 9*y^3*z^8)/((-1 + y)^3*y^2*(-1 + y + z)^2*(y + z)^3))* G[1 - y, 1, 0, z] + (((-2*I)*Pi*(1 + 2*y - z)*z*(-2 + y + 2*z))/y^2 + (2*y^2 - 6*y^3 + 6*y^4 - 2*y^5 - 6*y^2*z + 14*y^3*z - 10*y^4*z + 2*y^5*z + 9*z^2 - 18*y*z^2 + 10*y^2*z^2 + 2*y^3*z^2 - 3*y^4*z^2 - 18*z^3 + 36*y*z^3 - 26*y^2*z^3 + 9*z^4 - 18*y*z^4 + 9*y^2*z^4)/ ((-1 + y)^2*y^2*z))*G[1 - y, 1 - y, 0, z] + ((-1 + y + z)*(-3*y^2 + 11*y*z + 6*y^2*z + 6*z^2 - 6*z^3)* G[1 - y, 1 - y, 1 - y, z])/(y*z*(y + z)) + (((-2*I)*Pi*(3*y - 15*y^2 + 27*y^3 - 21*y^4 + 6*y^5 - 5*y*z + 20*y^2*z - 30*y^3*z + 20*y^4*z - 5*y^5*z + 5*z^2 - 14*y*z^2 + 6*y^2*z^2 + 11*y^3*z^2 - 11*y^4*z^2 + 3*y^5*z^2 - 10*z^3 + 31*y*z^3 - 24*y^2*z^3 + 7*y^3*z^3 + 5*z^4 - 15*y*z^4 + 9*y^2*z^4 - 3*y^3*z^4))/((-1 + y)^3*y*(-1 + z)*z) + (4*y^4 - 24*y^5 + 56*y^6 - 64*y^7 + 36*y^8 - 8*y^9 + 4*y^3*z - 35*y^4*z + 111*y^5*z - 171*y^6*z + 137*y^7*z - 54*y^8*z + 8*y^9*z + 8*y^2*z^2 - 44*y^3*z^2 + 118*y^4*z^2 - 189*y^5*z^2 + 178*y^6*z^2 - 89*y^7*z^2 + 18*y^8*z^2 + 10*y*z^3 - 73*y^2*z^3 + 182*y^3*z^3 - 211*y^4*z^3 + 139*y^5*z^3 - 59*y^6*z^3 + 12*y^7*z^3 + 4*z^4 - 56*y*z^4 + 201*y^2*z^4 - 287*y^3*z^4 + 167*y^4*z^4 - 45*y^5*z^4 + 4*y^6*z^4 - 12*z^5 + 94*y*z^5 - 218*y^2*z^5 + 189*y^3*z^5 - 61*y^4*z^5 + 8*y^5*z^5 + 12*z^6 - 60*y*z^6 + 94*y^2*z^6 - 44*y^3*z^6 + 10*y^4*z^6 - 4*z^7 + 12*y*z^7 - 12*y^2*z^7 + 4*y^3*z^7)/((-1 + y)^3*y^2*(-1 + z)*z^2* (y + z)))*G[1 - y, -y, 1 - y, z] + (((2*I)*Pi*(-1 + z)*(-y - 2*z + 2*y*z + 2*z^2))/y^2 + ((-1 + y + z)*(-2*y^2 - 2*y*z + 2*y^2*z - 13*z^2 - 3*y*z^2 + 13*z^3))/(y^2*z))*G[-y, 0, 1 - y, z] + (((2*I)*Pi*(-1 + z)*(-y - 2*z + 2*y*z + 2*z^2))/y^2 + ((-1 + y + z)*(-2*y^2 - 2*y*z + 2*y^2*z - 13*z^2 - 3*y*z^2 + 13*z^3))/(y^2*z))*G[-y, 1 - y, 0, z] + (((2*I)*Pi*(y^3 - y^4 - 2*y^2*z + 2*y^3*z + 2*y^4*z + 4*y^2*z^2 - 3*y^3*z^2 - 2*z^3 - 3*y*z^3 + 4*z^4 + 3*y*z^4 - 2*z^5))/ (y^2*z^2) + (10*y^4 - 38*y^5 + 54*y^6 - 34*y^7 + 8*y^8 + 12*y^3*z - 67*y^4*z + 127*y^5*z - 101*y^6*z + 29*y^7*z + 2*y^2*z^2 - 38*y^3*z^2 + 95*y^4*z^2 - 84*y^5*z^2 + 25*y^6*z^2 - 7*y*z^3 - 3*y^2*z^3 + 37*y^3*z^3 - 29*y^4*z^3 + 10*y^5*z^3 - 9*z^4 + 28*y*z^4 - 17*y^2*z^4 + 2*y^3*z^4 + 12*y^4*z^4 + 18*z^5 - 39*y*z^5 + 32*y^2*z^5 - 3*y^3*z^5 - 9*z^6 + 18*y*z^6 - 9*y^2*z^6)/ ((-1 + y)^2*y^2*z^2*(y + z)))*G[-y, 1 - y, 1 - y, z] + (((2*I)*Pi*(y^3 - y^4 - 2*y^3*z + 2*y^4*z - y*z^2 + y^2*z^2 + y^3*z^2 - 2*z^3 + 2*y*z^3 + 4*z^4 - y*z^4 - 2*z^5))/(y^2*z^2) + (6*y^3 - 18*y^4 + 18*y^5 - 6*y^6 - 5*y^2*z - 7*y^3*z + 42*y^4*z - 43*y^5*z + 13*y^6*z + 2*y*z^2 + 3*y^2*z^2 - 8*y^3*z^2 - y^4*z^2 + 4*y^5*z^2 - 13*z^3 + 24*y*z^3 - 5*y^2*z^3 - 6*y^3*z^3 + 4*y^4*z^3 + 26*z^4 - 52*y*z^4 + 30*y^2*z^4 - 13*z^5 + 26*y*z^5 - 13*y^2*z^5)/((-1 + y)^2*y^2*z^2))*G[-y, -y, 1 - y, z] + ((-13*y^2 + 32*y^3 - 18*y^4 - 6*z + 20*y*z + 12*y^2*z - 38*y^3*z + 6*y^4*z + 24*z^2 - 60*y*z^2 + 15*y^2*z^2 + 6*y^3*z^2 - 36*z^3 + 60*y*z^3 - 14*y^2*z^3 + 24*z^4 - 20*y*z^4 - 6*z^5)* G[0, 0, 0, 1, y])/(y^2*(-1 + z)*(-1 + y + z)) + (z*(-2 + y + 2*z)*(-3 + 7*y + 3*z)*G[0, 0, 0, 1 - y, z])/y^2 - ((8*y^5 - 52*y^6 + 115*y^7 - 118*y^8 + 59*y^9 - 12*y^10 + 21*y^4*z - 173*y^5*z + 466*y^6*z - 569*y^7*z + 336*y^8*z - 85*y^9*z + 4*y^10*z + 16*y^2*z^2 - 63*y^3*z^2 - 45*y^4*z^2 + 565*y^5*z^2 - 1015*y^6*z^2 + 756*y^7*z^2 - 234*y^8*z^2 + 18*y^9*z^2 + 12*y*z^3 - 129*y^2*z^3 + 337*y^3*z^3 - 123*y^4*z^3 - 564*y^5*z^3 + 740*y^6*z^3 - 309*y^7*z^3 + 32*y^8*z^3 + 4*z^4 - 81*y*z^4 + 425*y^2*z^4 - 810*y^3*z^4 + 548*y^4*z^4 + 22*y^5*z^4 - 131*y^6*z^4 + 23*y^7*z^4 - 20*z^5 + 212*y*z^5 - 719*y^2*z^5 + 1037*y^3*z^5 - 680*y^4*z^5 + 190*y^5*z^5 - 16*y^6*z^5 + 40*z^6 - 278*y*z^6 + 661*y^2*z^6 - 700*y^3*z^6 + 335*y^4*z^6 - 56*y^5*z^6 - 40*z^7 + 192*y*z^7 - 320*y^2*z^7 + 224*y^3*z^7 - 56*y^4*z^7 + 20*z^8 - 65*y*z^8 + 70*y^2*z^8 - 25*y^3*z^8 - 4*z^9 + 8*y*z^9 - 4*y^2*z^9)*G[0, 0, 1, 0, y])/((-1 + y)^2*y^2*(-1 + z)* (-1 + y + z)^2*(y + z)^3) - ((-1 + 2*y + z)*(-2*y^4 + 8*y^5 - 12*y^6 + 8*y^7 - 2*y^8 - 6*y^3*z + 13*y^4*z + 10*y^5*z - 48*y^6*z + 44*y^7*z - 13*y^8*z + 10*y^2*z^2 - 71*y^3*z^2 + 234*y^4*z^2 - 373*y^5*z^2 + 291*y^6*z^2 - 104*y^7*z^2 + 13*y^8*z^2 + 10*y*z^3 - 109*y^2*z^3 + 418*y^3*z^3 - 750*y^4*z^3 + 664*y^5*z^3 - 285*y^6*z^3 + 52*y^7*z^3 + 4*z^4 - 61*y*z^4 + 306*y^2*z^4 - 690*y^3*z^4 + 740*y^4*z^4 - 373*y^5*z^4 + 82*y^6*z^4 - 12*z^5 + 104*y*z^5 - 318*y^2*z^5 + 432*y^3*z^5 - 254*y^4*z^5 + 64*y^5*z^5 + 12*z^6 - 65*y*z^6 + 123*y^2*z^6 - 87*y^3*z^6 + 25*y^4*z^6 - 4*z^7 + 12*y*z^7 - 12*y^2*z^7 + 4*y^3*z^7)*G[0, 0, 1, 0, z])/ ((-1 + y)^3*y^2*(-1 + y + z)^2*(y + z)^3) + (2*(-3*y + 15*y^2 - 27*y^3 + 21*y^4 - 6*y^5 - 4*z + 17*y*z - 32*y^2*z + 29*y^3*z - 12*y^4*z + 2*y^5*z + 8*z^2 - 26*y*z^2 + 39*y^2*z^2 - 20*y^3*z^2 + 3*y^4*z^2 - 4*z^3 + 12*y*z^3 - 18*y^2*z^3 + 6*y^3*z^3)*G[0, 0, 1, 1, y])/((-1 + y)^3*y*(-1 + z)) + (z*(-2 + y + 2*z)*(-3 + 7*y + 3*z)*G[0, 0, 1 - y, 0, z])/y^2 + (6*z*(-2 + y + 2*z)*G[0, 0, 1 - y, 1 - y, z])/y + ((-7*y^2 + 42*y^3 - 98*y^4 + 112*y^5 - 63*y^6 + 14*y^7 + y*z + 23*y^2*z - 138*y^3*z + 294*y^4*z - 299*y^5*z + 147*y^6*z - 28*y^7*z + 10*z^2 - 62*y*z^2 + 114*y^2*z^2 - 24*y^3*z^2 - 156*y^4*z^2 + 188*y^5*z^2 - 80*y^6*z^2 + 10*y^7*z^2 - 38*z^3 + 200*y*z^3 - 396*y^2*z^3 + 382*y^3*z^3 - 166*y^4*z^3 + 10*y^5*z^3 + 8*y^6*z^3 + 54*z^4 - 242*y*z^4 + 419*y^2*z^4 - 375*y^3*z^4 + 159*y^4*z^4 - 23*y^5*z^4 - 34*z^5 + 127*y*z^5 - 177*y^2*z^5 + 121*y^3*z^5 - 29*y^4*z^5 + 8*z^6 - 24*y*z^6 + 24*y^2*z^6 - 8*y^3*z^6)*G[0, 0, -y, 1 - y, z])/((-1 + y)^3*y^2*(-1 + z)*z* (-1 + y + z)) - ((8*y^3 - 37*y^4 + 80*y^5 - 93*y^6 + 54*y^7 - 12*y^8 + 4*y*z + 6*y^2*z - 115*y^3*z + 334*y^4*z - 446*y^5*z + 295*y^6*z - 82*y^7*z + 4*y^8*z - 4*z^2 + 28*y*z^2 - 193*y^2*z^2 + 598*y^3*z^2 - 905*y^4*z^2 + 688*y^5*z^2 - 230*y^6*z^2 + 20*y^7*z^2 + 22*z^3 - 173*y*z^3 + 604*y^2*z^3 - 1045*y^3*z^3 + 918*y^4*z^3 - 366*y^5*z^3 + 44*y^6*z^3 - 50*z^4 + 310*y*z^4 - 708*y^2*z^4 + 762*y^3*z^4 - 374*y^4*z^4 + 60*y^5*z^4 + 58*z^5 - 249*y*z^5 + 379*y^2*z^5 - 248*y^3*z^5 + 56*y^4*z^5 - 34*z^6 + 96*y*z^6 - 96*y^2*z^6 + 32*y^3*z^6 + 8*z^7 - 16*y*z^7 + 8*y^2*z^7)* G[0, 1, 0, 0, y])/((-1 + y)^2*(-1 + z)*(-1 + y + z)^2*(y + z)^3) - (2*(-1 + 2*y + z)*(-y^4 + 4*y^5 - 6*y^6 + 4*y^7 - y^8 - 4*y^3*z + 11*y^4*z - 4*y^5*z - 14*y^6*z + 16*y^7*z - 5*y^8*z + 2*y^2*z^2 - 20*y^3*z^2 + 82*y^4*z^2 - 144*y^5*z^2 + 118*y^6*z^2 - 44*y^7*z^2 + 6*y^8*z^2 + 2*y*z^3 - 35*y^2*z^3 + 157*y^3*z^3 - 304*y^4*z^3 + 281*y^5*z^3 - 125*y^6*z^3 + 24*y^7*z^3 + z^4 - 20*y*z^4 + 117*y^2*z^4 - 287*y^3*z^4 + 322*y^4*z^4 - 167*y^5*z^4 + 38*y^6*z^4 - 4*z^5 + 41*y*z^5 - 136*y^2*z^5 + 193*y^3*z^5 - 116*y^4*z^5 + 30*y^5*z^5 + 5*z^6 - 29*y*z^6 + 57*y^2*z^6 - 41*y^3*z^6 + 12*y^4*z^6 - 2*z^7 + 6*y*z^7 - 6*y^2*z^7 + 2*y^3*z^7)* G[0, 1, 0, 0, z])/((-1 + y)^3*y^2*(-1 + y + z)^2*(y + z)^3) - ((10*y^2 - 53*y^3 + 111*y^4 - 115*y^5 + 59*y^6 - 12*y^7 + 2*z - 21*y*z + 46*y^2*z - 13*y^3*z - 65*y^4*z + 82*y^5*z - 35*y^6*z + 4*y^7*z - 10*z^2 + 79*y*z^2 - 199*y^2*z^2 + 245*y^3*z^2 - 147*y^4*z^2 + 32*y^5*z^2 + 18*z^3 - 107*y*z^3 + 230*y^2*z^3 - 258*y^3*z^3 + 132*y^4*z^3 - 23*y^5*z^3 - 14*z^4 + 61*y*z^4 - 99*y^2*z^4 + 83*y^3*z^4 - 23*y^4*z^4 + 4*z^5 - 12*y*z^5 + 12*y^2*z^5 - 4*y^3*z^5)*G[0, 1, 0, 1, y])/((-1 + y)^3*y^2*(-1 + z)* (-1 + y + z)) + (4*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, 1 - y, z])/ y^2 + ((7*y^5 - 21*y^6 + 20*y^7 - 6*y^8 - 2*y^3*z + 29*y^4*z - 103*y^5*z + 118*y^6*z - 41*y^7*z + 2*y^8*z - 14*y^2*z^2 + 78*y^3*z^2 - 236*y^4*z^2 + 317*y^5*z^2 - 141*y^6*z^2 + 9*y^7*z^2 - 12*y*z^3 + 113*y^2*z^3 - 349*y^3*z^3 + 527*y^4*z^3 - 308*y^5*z^3 + 32*y^6*z^3 - 4*z^4 + 73*y*z^4 - 327*y^2*z^4 + 593*y^3*z^4 - 450*y^4*z^4 + 83*y^5*z^4 + 20*z^5 - 172*y*z^5 + 443*y^2*z^5 - 443*y^3*z^5 + 130*y^4*z^5 - 40*z^6 + 198*y*z^6 - 287*y^2*z^6 + 123*y^3*z^6 + 40*z^7 - 112*y*z^7 + 72*y^2*z^7 - 20*z^8 + 25*y*z^8 + 4*z^9)*G[0, 1, 1, 0, y])/(y^2*(-1 + z)*(-1 + y + z)^2*(y + z)^3) - ((-1 + 2*y + z)*(y^4 - 4*y^5 + 6*y^6 - 4*y^7 + y^8 + 7*y^3*z - 33*y^4*z + 65*y^5*z - 67*y^6*z + 36*y^7*z - 8*y^8*z + 23*y^2*z^2 - 118*y^3*z^2 + 262*y^4*z^2 - 306*y^5*z^2 + 189*y^6*z^2 - 56*y^7*z^2 + 6*y^8*z^2 + 19*y*z^3 - 145*y^2*z^3 + 416*y^3*z^3 - 591*y^4*z^3 + 433*y^5*z^3 - 156*y^6*z^3 + 24*y^7*z^3 + 6*z^4 - 82*y*z^4 + 324*y^2*z^4 - 590*y^3*z^4 + 534*y^4*z^4 - 230*y^5*z^4 + 42*y^6*z^4 - 18*z^5 + 125*y*z^5 - 316*y^2*z^5 + 369*y^3*z^5 - 194*y^4*z^5 + 42*y^5*z^5 + 18*z^6 - 80*y*z^6 + 132*y^2*z^6 - 90*y^3*z^6 + 24*y^4*z^6 - 6*z^7 + 18*y*z^7 - 18*y^2*z^7 + 6*y^3*z^7)*G[0, 1, 1, 0, z])/((-1 + y)^3*y^2*(-1 + y + z)^2* (y + z)^3) - ((3 + 4*y - 3*z)*z*(-2 + y + 2*z)*G[0, 1, 1, 1, y])/ y^2 + (4*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1 - y, 0, z])/y^2 + (z*(-2 + y + 2*z)*(-3 + 7*y + 3*z)*G[0, 1 - y, 0, 0, z])/y^2 + (6*z*(-2 + y + 2*z)*G[0, 1 - y, 0, 1 - y, z])/y - (2*(y^4 - 4*y^5 + 6*y^6 - 4*y^7 + y^8 + 5*y^3*z - 21*y^4*z + 28*y^5*z + 4*y^6*z - 52*y^7*z + 62*y^8*z - 33*y^9*z + 7*y^10*z + y^2*z^2 - y^3*z^2 - 33*y^4*z^2 + 146*y^5*z^2 - 286*y^6*z^2 + 298*y^7*z^2 - 158*y^8*z^2 + 33*y^9*z^2 + y*z^3 + 4*y^2*z^3 - 69*y^3*z^3 + 262*y^4*z^3 - 514*y^5*z^3 + 570*y^6*z^3 - 322*y^7*z^3 + 68*y^8*z^3 - y*z^4 - 26*y^2*z^4 + 162*y^3*z^4 - 407*y^4*z^4 + 545*y^5*z^4 - 357*y^6*z^4 + 80*y^7*z^4 - z^5 + 3*y*z^5 + 27*y^2*z^5 - 132*y^3*z^5 + 256*y^4*z^5 - 221*y^5*z^5 + 56*y^6*z^5 + 3*z^6 - 10*y*z^6 + 3*y^2*z^6 + 36*y^3*z^6 - 64*y^4*z^6 + 20*y^5*z^6 - 3*z^7 + 10*y*z^7 - 12*y^2*z^7 + y^4*z^7 + z^8 - 3*y*z^8 + 3*y^2*z^8 - y^3*z^8)*G[0, 1 - y, 1, 0, z])/ ((-1 + y)^3*y^2*(-1 + y + z)^2*(y + z)^3) + (6*z*(-2 + y + 2*z)*G[0, 1 - y, 1 - y, 0, z])/y + ((3 + 4*y - 3*z)*z*(-2 + y + 2*z)*G[0, 1 - y, 1 - y, 1 - y, z])/y^2 - ((-7*y^2 + 42*y^3 - 98*y^4 + 112*y^5 - 63*y^6 + 14*y^7 + y*z + 26*y^2*z - 157*y^3*z + 340*y^4*z - 353*y^5*z + 178*y^6*z - 35*y^7*z + 9*y*z^2 - 88*y^2*z^2 + 281*y^3*z^2 - 422*y^4*z^2 + 321*y^5*z^2 - 114*y^6*z^2 + 13*y^7*z^2 + 2*z^3 - 43*y*z^3 + 182*y^2*z^3 - 309*y^3*z^3 + 269*y^4*z^3 - 124*y^5*z^3 + 23*y^6*z^3 - 6*z^4 + 61*y*z^4 - 173*y^2*z^4 + 183*y^3*z^4 - 93*y^4*z^4 + 20*y^5*z^4 + 6*z^5 - 34*y*z^5 + 66*y^2*z^5 - 42*y^3*z^5 + 12*y^4*z^5 - 2*z^6 + 6*y*z^6 - 6*y^2*z^6 + 2*y^3*z^6)* G[0, 1 - y, -y, 1 - y, z])/((-1 + y)^3*y^2*(-1 + z)*z* (-1 + y + z)) - ((-1 + z)*(-2*y - 6*z + 5*y*z + 6*z^2)* G[0, -y, 0, 1 - y, z])/y^2 - ((-1 + z)*(-2*y - 6*z + 5*y*z + 6*z^2)* G[0, -y, 1 - y, 0, z])/y^2 + ((y^3 - 4*y^4 + 6*y^5 - 4*y^6 + y^7 - 6*y^2*z + 27*y^3*z - 42*y^4*z + 24*y^5*z - 3*y^7*z + y*z^2 + 14*y^2*z^2 - 77*y^3*z^2 + 135*y^4*z^2 - 98*y^5*z^2 + 23*y^6*z^2 + 2*y^7*z^2 + 4*z^3 - 9*y*z^3 - 16*y^2*z^3 + 79*y^3*z^3 - 101*y^4*z^3 + 54*y^5*z^3 - 11*y^6*z^3 - 12*z^4 + 27*y*z^4 - y^2*z^4 - 57*y^3*z^4 + 45*y^4*z^4 - 10*y^5*z^4 + 12*z^5 - 31*y*z^5 + 21*y^2*z^5 + 15*y^3*z^5 - 9*y^4*z^5 - 4*z^6 + 12*y*z^6 - 12*y^2*z^6 + 4*y^3*z^6)*G[0, -y, 1 - y, 1 - y, z])/ ((-1 + y)^3*y^2*(-1 + z)*z^2) + ((y^3 - 4*y^4 + 6*y^5 - 4*y^6 + y^7 - 3*y^3*z + 12*y^4*z - 18*y^5*z + 12*y^6*z - 3*y^7*z + 3*y*z^2 - 10*y^2*z^2 + 9*y^3*z^2 + y^4*z^2 - 2*y^5*z^2 - 3*y^6*z^2 + 2*y^7*z^2 + 10*z^3 - 45*y*z^3 + 75*y^2*z^3 - 51*y^3*z^3 + 8*y^4*z^3 + 4*y^5*z^3 - y^6*z^3 - 30*z^4 + 111*y*z^4 - 152*y^2*z^4 + 81*y^3*z^4 - 12*y^4*z^4 - 2*y^5*z^4 + 30*z^5 - 99*y*z^5 + 117*y^2*z^5 - 51*y^3*z^5 + 7*y^4*z^5 - 10*z^6 + 30*y*z^6 - 30*y^2*z^6 + 10*y^3*z^6)* G[0, -y, -y, 1 - y, z])/((-1 + y)^3*y^2*(-1 + z)*z^2) + ((1 + y - z)*z*(-7 + 4*y + 7*z)*G[1, 0, 0, 0, y])/(-1 + y + z)^2 - ((-1 + z)*z*(-1 + 2*y + z)*(6 - 17*y + 17*y^2 - 12*z + 17*y*z + 6*z^2)* G[1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) + ((-y + 7*y^2 - 14*y^3 + 35*y^5 - 49*y^6 + 28*y^7 - 6*y^8 + 2*z - 18*y*z + 61*y^2*z - 121*y^3*z + 164*y^4*z - 150*y^5*z + 83*y^6*z - 23*y^7*z + 2*y^8*z - 12*z^2 + 100*y*z^2 - 315*y^2*z^2 + 507*y^3*z^2 - 466*y^4*z^2 + 250*y^5*z^2 - 71*y^6*z^2 + 7*y^7*z^2 + 28*z^3 - 194*y*z^3 + 515*y^2*z^3 - 663*y^3*z^3 + 452*y^4*z^3 - 163*y^5*z^3 + 25*y^6*z^3 - 32*z^4 + 177*y*z^4 - 376*y^2*z^4 + 365*y^3*z^4 - 170*y^4*z^4 + 32*y^5*z^4 + 18*z^5 - 76*y*z^5 + 120*y^2*z^5 - 78*y^3*z^5 + 20*y^4*z^5 - 4*z^6 + 12*y*z^6 - 12*y^2*z^6 + 4*y^3*z^6)*G[1, 0, 0, 1, y])/((-1 + y)^3*y^2*(-1 + z)* (-1 + y + z)^2) - ((-1 + z)*z*(2 - 5*y + 3*y^2 + 4*y^3 - 6*z + 10*y*z - 3*y^2*z + 6*z^2 - 5*y*z^2 - 2*z^3)*G[1, 0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - ((y^3 - y^4 - 13*y^5 + 25*y^6 - 12*y^7 + 7*y^2*z - 17*y^3*z - 25*y^4*z + 106*y^5*z - 77*y^6*z + 4*y^7*z - y*z^2 - 19*y^2*z^2 + 7*y^3*z^2 + 142*y^4*z^2 - 178*y^5*z^2 + 28*y^6*z^2 + z^3 + y*z^3 + 23*y^2*z^3 + 48*y^3*z^3 - 172*y^4*z^3 + 61*y^5*z^3 - 4*z^4 + 10*y*z^4 - 35*y^2*z^4 - 37*y^3*z^4 + 48*y^4*z^4 + 6*z^5 - 26*y*z^5 + 44*y^2*z^5 - 2*y^3*z^5 - 4*z^6 + 23*y*z^6 - 20*y^2*z^6 + z^7 - 7*y*z^7)*G[1, 0, 1, 0, y])/ (y*(-1 + z)*(-1 + y + z)^2*(y + z)^3) + ((-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 - y*z^2 + 3*y^2*z^2 + 2*z^3 + 3*y*z^3)*G[1, 0, 1, 0, z])/ (y^2*z*(-1 + y + z)^2) - ((5*y^2 - 18*y^3 + 18*y^4 + 16*y^5 - 51*y^6 + 42*y^7 - 12*y^8 + 5*y*z - 34*y^2*z + 57*y^3*z + 19*y^4*z - 132*y^5*z + 127*y^6*z - 46*y^7*z + 4*y^8*z + 2*z^2 - 30*y*z^2 + 84*y^2*z^2 - 42*y^3*z^2 - 110*y^4*z^2 + 152*y^5*z^2 - 76*y^6*z^2 + 12*y^7*z^2 - 10*z^3 + 63*y*z^3 - 103*y^2*z^3 + 13*y^3*z^3 + 73*y^4*z^3 - 60*y^5*z^3 + 16*y^6*z^3 + 18*z^4 - 68*y*z^4 + 78*y^2*z^4 - 24*y^3*z^4 - 4*y^4*z^4 + 8*y^5*z^4 - 14*z^5 + 42*y*z^5 - 42*y^2*z^5 + 26*y^3*z^5 - 4*y^4*z^5 + 4*z^6 - 12*y*z^6 + 12*y^2*z^6 - 4*y^3*z^6)*G[1, 0, 1, 1, y])/((-1 + y)^3*y^2*(-1 + z)* (y + z)^2) - ((-1 + z)*z*(2 - 5*y + 3*y^2 + 4*y^3 - 6*z + 10*y*z - 3*y^2*z + 6*z^2 - 5*y*z^2 - 2*z^3)*G[1, 0, 1 - y, 0, z])/ (y^2*(-1 + y + z)^2) + ((-1 + z)*(1 + z)*(-y - 2*z + 3*y*z + 2*z^2)* G[1, 0, 1 - y, 1 - y, z])/(y^2*z) + ((-y^2 + 3*y^3 - 2*y^4 - y*z + 2*y^2*z - 2*y^4*z - 2*z^2 + 6*y*z^2 - 9*y^2*z^2 + 21*y^3*z^2 - 16*y^4*z^2 + 6*z^3 - 7*y*z^3 + 15*y^2*z^3 - 30*y^3*z^3 + 4*y^4*z^3 - 4*z^4 - 5*y*z^4 - 6*y^2*z^4 + 6*y^3*z^4 - 4*z^5 + 12*y*z^5 - y^2*z^5 + 6*z^6 - 5*y*z^6 - 2*z^7)* G[1, 0, -y, 1 - y, z])/(y^2*(-1 + z)*z^2*(-1 + y + z)) + (2*(-3*y^3 + 9*y^4 - 6*y^5 + 2*y*z - 12*y^2*z + 37*y^3*z - 28*y^4*z + 2*y^5*z - 2*z^2 - 11*y*z^2 + 60*y^2*z^2 - 60*y^3*z^2 + 7*y^4*z^2 + 2*z^3 + 39*y*z^3 - 72*y^2*z^3 + 14*y^3*z^3 + 7*z^4 - 46*y*z^4 + 20*y^2*z^4 - 12*z^5 + 16*y*z^5 + 5*z^6)*G[1, 1, 0, 0, y])/ ((-1 + z)*(-1 + y + z)*(y + z)^3) + (2*(-1 + z)*(-1 + 2*y + z)* (-y + y^2 + z + y^2*z - 2*z^2 + y*z^2 + z^3)*G[1, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - ((-5*y^2 + 27*y^3 - 61*y^4 + 87*y^5 - 115*y^6 + 145*y^7 - 127*y^8 + 61*y^9 - 12*y^10 - 5*y*z + 46*y^2*z - 159*y^3*z + 316*y^4*z - 478*y^5*z + 606*y^6*z - 555*y^7*z + 300*y^8*z - 75*y^9*z + 4*y^10*z - 2*z^2 + 31*y*z^2 - 157*y^2*z^2 + 419*y^3*z^2 - 762*y^4*z^2 + 1076*y^5*z^2 - 1092*y^6*z^2 + 672*y^7*z^2 - 207*y^8*z^2 + 22*y^9*z^2 + 8*z^3 - 67*y*z^3 + 242*y^2*z^3 - 550*y^3*z^3 + 947*y^4*z^3 - 1188*y^5*z^3 + 901*y^6*z^3 - 343*y^7*z^3 + 50*y^8*z^3 - 8*z^4 + 40*y*z^4 - 112*y^2*z^4 + 286*y^3*z^4 - 597*y^4*z^4 + 689*y^5*z^4 - 355*y^6*z^4 + 65*y^7*z^4 - 8*z^5 + 59*y*z^5 - 137*y^2*z^5 + 68*y^3*z^5 + 166*y^4*z^5 - 187*y^5*z^5 + 47*y^6*z^5 + 22*z^6 - 107*y*z^6 + 198*y^2*z^6 - 130*y^3*z^6 + 9*y^5*z^6 - 16*z^7 + 61*y*z^7 - 87*y^2*z^7 + 43*y^3*z^7 - 9*y^4*z^7 + 4*z^8 - 12*y*z^8 + 12*y^2*z^8 - 4*y^3*z^8)*G[1, 1, 0, 1, y])/((-1 + y)^3*y^2*(-1 + z)* (-1 + y + z)^2*(y + z)^2) - ((-1 + z)*z*(-1 + 2*y + z)* (4 - 5*y + 5*y^2 - 8*z + 5*y*z + 4*z^2)*G[1, 1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + ((1 + 2*y - 25*y^2 + 40*y^3 - 18*y^4 - 4*z - 4*y*z + 54*y^2*z - 58*y^3*z + 6*y^4*z + 6*z^2 - 33*y^2*z^2 + 18*y^3*z^2 - 4*z^3 + 4*y*z^3 + 4*y^2*z^3 + z^4 - 2*y*z^4)* G[1, 1, 1, 0, y])/(y*(-1 + z)*(-1 + y + z)^2) + ((-1 + z)*(-1 + 2*y + z)*(-y + y^2 - 2*z + 2*y*z - y^2*z + 14*z^2 - 11*y*z^2 + 10*y^2*z^2 - 22*z^3 + 10*y*z^3 + 10*z^4)* G[1, 1, 1, 0, z])/(y^2*z*(-1 + y + z)^2) - ((-1 + z)*z*(-1 + 2*y + z)*(4 - 5*y + 5*y^2 - 8*z + 5*y*z + 4*z^2)* G[1, 1, 1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((-1 + z)*z*(2 - 5*y + 3*y^2 + 4*y^3 - 6*z + 10*y*z - 3*y^2*z + 6*z^2 - 5*y*z^2 - 2*z^3)*G[1, 1 - y, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((-1 + z)*(1 + z)*(-y - 2*z + 3*y*z + 2*z^2)* G[1, 1 - y, 0, 1 - y, z])/(y^2*z) - ((-1 + z)*(-y + y^2 - 2*z + 8*y*z - 7*y^2*z + 7*y*z^2 - 16*y^2*z^2 + 10*y^3*z^2 + 12*z^3 - 34*y*z^3 + 22*y^2*z^3 - 16*z^4 + 20*y*z^4 + 6*z^5)*G[1, 1 - y, 1, 0, z])/(y^2*z*(-1 + y + z)^2) + ((-1 + z)*(1 + z)*(-y - 2*z + 3*y*z + 2*z^2)*G[1, 1 - y, 1 - y, 0, z])/ (y^2*z) + ((-y^2 + 3*y^3 - 2*y^4 - y*z + 2*y^2*z - 2*y^4*z - 2*z^2 + 6*y*z^2 - 9*y^2*z^2 + 21*y^3*z^2 - 16*y^4*z^2 + 6*z^3 - 7*y*z^3 + 15*y^2*z^3 - 30*y^3*z^3 + 4*y^4*z^3 - 4*z^4 - 5*y*z^4 - 6*y^2*z^4 + 6*y^3*z^4 - 4*z^5 + 12*y*z^5 - y^2*z^5 + 6*z^6 - 5*y*z^6 - 2*z^7)* G[1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + z)*z^2*(-1 + y + z)) + (z*(-2 + y + 2*z)*(-3 + 7*y + 3*z)*G[1 - y, 0, 0, 0, z])/y^2 + (6*z*(-2 + y + 2*z)*G[1 - y, 0, 0, 1 - y, z])/y + ((-y^4 + y^5 + 12*y^6 - 38*y^7 + 47*y^8 - 27*y^9 + 6*y^10 - 5*y^3*z + 17*y^4*z + 9*y^5*z - 103*y^6*z + 158*y^7*z - 96*y^8*z + 18*y^9*z + 2*y^10*z - 9*y^2*z^2 + 57*y^3*z^2 - 90*y^4*z^2 - 33*y^5*z^2 + 203*y^6*z^2 - 181*y^7*z^2 + 56*y^8*z^2 - 3*y^9*z^2 - 7*y*z^3 + 63*y^2*z^3 - 150*y^3*z^3 + 59*y^4*z^3 + 219*y^5*z^3 - 303*y^6*z^3 + 146*y^7*z^3 - 27*y^8*z^3 - 2*z^4 + 38*y*z^4 - 138*y^2*z^4 + 121*y^3*z^4 + 174*y^4*z^4 - 354*y^5*z^4 + 202*y^6*z^4 - 49*y^7*z^4 + 8*z^5 - 63*y*z^5 + 108*y^2*z^5 + 43*y^3*z^5 - 217*y^4*z^5 + 140*y^5*z^5 - 43*y^6*z^5 - 12*z^6 + 46*y*z^6 - 30*y^2*z^6 - 48*y^3*z^6 + 38*y^4*z^6 - 18*y^5*z^6 + 8*z^7 - 20*y*z^7 + 12*y^2*z^7 - 8*y^3*z^7 - 2*z^8 + 6*y*z^8 - 6*y^2*z^8 + 2*y^3*z^8)*G[1 - y, 0, 1, 0, z])/((-1 + y)^3*y^2*z*(-1 + y + z)* (y + z)^3) + (6*z*(-2 + y + 2*z)*G[1 - y, 0, 1 - y, 0, z])/y + ((3 + 4*y - 3*z)*z*(-2 + y + 2*z)*G[1 - y, 0, 1 - y, 1 - y, z])/y^2 - ((-y^2 + 3*y^3 - 2*y^4 - 2*y^5 + 3*y^6 - y^7 - y*z + 11*y^2*z - 36*y^3*z + 51*y^4*z - 32*y^5*z + 6*y^6*z + y^7*z - 2*z^2 + 9*y*z^2 - 35*y^2*z^2 + 102*y^3*z^2 - 156*y^4*z^2 + 113*y^5*z^2 - 31*y^6*z^2 + 8*z^3 - 37*y*z^3 + 86*y^2*z^3 - 136*y^3*z^3 + 132*y^4*z^3 - 67*y^5*z^3 + 14*y^6*z^3 - 12*z^4 + 57*y*z^4 - 109*y^2*z^4 + 123*y^3*z^4 - 63*y^4*z^4 + 12*y^5*z^4 + 8*z^5 - 34*y*z^5 + 54*y^2*z^5 - 50*y^3*z^5 + 14*y^4*z^5 - 2*z^6 + 6*y*z^6 - 6*y^2*z^6 + 2*y^3*z^6)*G[1 - y, 0, -y, 1 - y, z])/ ((-1 + y)^3*y^2*(-1 + z)*z^2) - ((2*y^4 - 8*y^5 + 12*y^6 - 8*y^7 + 2*y^8 + 6*y^3*z - 17*y^4*z - 12*y^5*z + 114*y^6*z - 206*y^7*z + 183*y^8*z - 84*y^9*z + 16*y^10*z - 10*y^2*z^2 + 91*y^3*z^2 - 369*y^4*z^2 + 839*y^5*z^2 - 1163*y^6*z^2 + 974*y^7*z^2 - 446*y^8*z^2 + 84*y^9*z^2 - 10*y*z^3 + 137*y^2*z^3 - 669*y^3*z^3 + 1670*y^4*z^3 - 2455*y^5*z^3 + 2172*y^6*z^3 - 1046*y^7*z^3 + 201*y^8*z^3 - 4*z^4 + 77*y*z^4 - 507*y^2*z^4 + 1562*y^3*z^4 - 2654*y^4*z^4 + 2631*y^5*z^4 - 1399*y^6*z^4 + 286*y^7*z^4 + 16*z^5 - 183*y*z^5 + 772*y^2*z^5 - 1608*y^3*z^5 + 1856*y^4*z^5 - 1133*y^5*z^5 + 256*y^6*z^5 - 24*z^6 + 187*y*z^6 - 533*y^2*z^6 + 747*y^3*z^6 - 539*y^4*z^6 + 138*y^5*z^6 + 16*z^7 - 83*y*z^7 + 153*y^2*z^7 - 133*y^3*z^7 + 39*y^4*z^7 - 4*z^8 + 12*y*z^8 - 12*y^2*z^8 + 4*y^3*z^8)*G[1 - y, 1, 0, 0, z])/ ((-1 + y)^3*y^2*(-1 + y + z)^2*(y + z)^3) + (z*(-1 + y + z)*(-6 + y + 6*z)*G[1 - y, 1, 0, 1 - y, z])/y^2 - ((-y^4 + 4*y^5 - 6*y^6 + 4*y^7 - y^8 - 11*y^3*z + 67*y^4*z - 171*y^5*z + 239*y^6*z - 200*y^7*z + 102*y^8*z - 30*y^9*z + 4*y^10*z - 35*y^2*z^2 + 256*y^3*z^2 - 774*y^4*z^2 + 1264*y^5*z^2 - 1221*y^6*z^2 + 706*y^7*z^2 - 226*y^8*z^2 + 30*y^9*z^2 - 31*y*z^3 + 327*y^2*z^3 - 1281*y^3*z^3 + 2567*y^4*z^3 - 2946*y^5*z^3 + 1983*y^6*z^3 - 726*y^7*z^3 + 107*y^8*z^3 - 10*z^4 + 186*y*z^4 - 1026*y^2*z^4 + 2642*y^3*z^4 - 3703*y^4*z^4 + 2958*y^5*z^4 - 1267*y^6*z^4 + 216*y^7*z^4 + 40*z^5 - 402*y*z^5 + 1460*y^2*z^5 - 2611*y^3*z^5 + 2530*y^4*z^5 - 1285*y^5*z^5 + 256*y^6*z^5 - 60*z^6 + 400*y*z^6 - 1005*y^2*z^6 + 1230*y^3*z^6 - 753*y^4*z^6 + 176*y^5*z^6 + 40*z^7 - 183*y*z^7 + 309*y^2*z^7 - 235*y^3*z^7 + 65*y^4*z^7 - 10*z^8 + 30*y*z^8 - 30*y^2*z^8 + 10*y^3*z^8)* G[1 - y, 1, 1, 0, z])/((-1 + y)^3*y^2*(-1 + y + z)^2*(y + z)^3) + (z*(-1 + y + z)*(-6 + y + 6*z)*G[1 - y, 1, 1 - y, 0, z])/y^2 + (6*z*(-2 + y + 2*z)*G[1 - y, 1 - y, 0, 0, z])/y + ((3 + 4*y - 3*z)*z*(-2 + y + 2*z)*G[1 - y, 1 - y, 0, 1 - y, z])/y^2 - ((-y^4 + y^5 + 12*y^6 - 38*y^7 + 47*y^8 - 27*y^9 + 6*y^10 - 5*y^3*z + 13*y^4*z + 25*y^5*z - 127*y^6*z + 174*y^7*z - 100*y^8*z + 18*y^9*z + 2*y^10*z - 9*y^2*z^2 + 33*y^3*z^2 + 4*y^4*z^2 - 154*y^5*z^2 + 230*y^6*z^2 - 116*y^7*z^2 + 3*y^8*z^2 + 9*y^9*z^2 - 7*y*z^3 + 23*y^2*z^3 + 33*y^3*z^3 - 201*y^4*z^3 + 245*y^5*z^3 - 51*y^6*z^3 - 71*y^7*z^3 + 29*y^8*z^3 - 2*z^4 + 4*y*z^4 + 76*y^2*z^4 - 302*y^3*z^4 + 402*y^4*z^4 - 130*y^5*z^4 - 104*y^6*z^4 + 48*y^7*z^4 - 2*z^5 + 64*y*z^5 - 292*y^2*z^5 + 516*y^3*z^5 - 356*y^4*z^5 + 24*y^5*z^5 + 22*y^6*z^5 + 18*z^6 - 136*y*z^6 + 343*y^2*z^6 - 375*y^3*z^6 + 151*y^4*z^6 - 25*y^5*z^6 - 22*z^7 + 99*y*z^7 - 165*y^2*z^7 + 109*y^3*z^7 - 29*y^4*z^7 + 8*z^8 - 24*y*z^8 + 24*y^2*z^8 - 8*y^3*z^8)*G[1 - y, 1 - y, 1, 0, z])/((-1 + y)^3*y^2*z*(-1 + y + z)*(y + z)^3) + ((3 + 4*y - 3*z)*z*(-2 + y + 2*z)*G[1 - y, 1 - y, 1 - y, 0, z])/y^2 - ((2*y^5 - 8*y^6 + 12*y^7 - 8*y^8 + 2*y^9 + y^3*z - 6*y^4*z + 13*y^5*z - 9*y^6*z - 6*y^7*z + 11*y^8*z - 4*y^9*z - y^2*z^2 - 11*y^3*z^2 + 65*y^4*z^2 - 117*y^5*z^2 + 84*y^6*z^2 - 14*y^7*z^2 - 8*y^8*z^2 + 2*y^9*z^2 - 12*y^2*z^3 + 72*y^3*z^3 - 163*y^4*z^3 + 186*y^5*z^3 - 110*y^6*z^3 + 30*y^7*z^3 - 3*y^8*z^3 - 9*y*z^4 + 47*y^2*z^4 - 102*y^3*z^4 + 138*y^4*z^4 - 135*y^5*z^4 + 67*y^6*z^4 - 14*y^7*z^4 - 4*z^5 + 31*y*z^5 - 66*y^2*z^5 + 58*y^3*z^5 - 54*y^4*z^5 + 35*y^5*z^5 - 8*y^6*z^5 + 12*z^6 - 47*y*z^6 + 59*y^2*z^6 - 33*y^3*z^6 + 17*y^4*z^6 - 12*z^7 + 37*y*z^7 - 39*y^2*z^7 + 27*y^3*z^7 - 5*y^4*z^7 + 4*z^8 - 12*y*z^8 + 12*y^2*z^8 - 4*y^3*z^8)*G[1 - y, 1 - y, -y, 1 - y, z])/ ((-1 + y)^3*y^2*(-1 + z)*z^2*(y + z)^2) - (2*(-1 + z)*(-y - 2*z + 2*y*z + 2*z^2)*G[1 - y, -y, 0, 1 - y, z])/ y^2 - (2*(-1 + z)*(-y - 2*z + 2*y*z + 2*z^2)*G[1 - y, -y, 1 - y, 0, z])/y^2 - ((-y^4 + 6*y^5 - 14*y^6 + 16*y^7 - 9*y^8 + 2*y^9 - 2*y^3*z + 7*y^4*z - 8*y^5*z + 8*y^6*z - 16*y^7*z + 17*y^8*z - 6*y^9*z + 4*y^2*z^2 - 22*y^3*z^2 + 60*y^4*z^2 - 80*y^5*z^2 + 36*y^6*z^2 + 18*y^7*z^2 - 20*y^8*z^2 + 4*y^9*z^2 + 5*y*z^3 - 39*y^2*z^3 + 109*y^3*z^3 - 147*y^4*z^3 + 104*y^5*z^3 - 30*y^6*z^3 - 6*y^7*z^3 + 4*y^8*z^3 + 2*z^4 - 30*y*z^4 + 100*y^2*z^4 - 134*y^3*z^4 + 86*y^4*z^4 - 44*y^5*z^4 + 16*y^6*z^4 - 4*y^7*z^4 - 10*z^5 + 63*y*z^5 - 117*y^2*z^5 + 71*y^3*z^5 - 17*y^4*z^5 + 2*y^5*z^5 + 18*z^6 - 68*y*z^6 + 82*y^2*z^6 - 36*y^3*z^6 + 8*y^4*z^6 + 4*y^5*z^6 - 14*z^7 + 42*y*z^7 - 42*y^2*z^7 + 26*y^3*z^7 - 4*y^4*z^7 + 4*z^8 - 12*y*z^8 + 12*y^2*z^8 - 4*y^3*z^8)* G[1 - y, -y, 1 - y, 1 - y, z])/((-1 + y)^3*y^2*(-1 + z)*z^2* (y + z)^2) - ((3*y^3 - 12*y^4 + 18*y^5 - 12*y^6 + 3*y^7 - 9*y^3*z + 36*y^4*z - 54*y^5*z + 36*y^6*z - 9*y^7*z - 2*y*z^2 + 4*y^2*z^2 + 16*y^3*z^2 - 58*y^4*z^2 + 68*y^5*z^2 - 34*y^6*z^2 + 6*y^7*z^2 - 6*z^3 + 26*y*z^3 - 39*y^2*z^3 + 18*y^3*z^3 + 15*y^4*z^3 - 20*y^5*z^3 + 6*y^6*z^3 + 18*z^4 - 64*y*z^4 + 83*y^2*z^4 - 54*y^3*z^4 + 13*y^4*z^4 - 18*z^5 + 58*y*z^5 - 66*y^2*z^5 + 36*y^3*z^5 - 6*y^4*z^5 + 6*z^6 - 18*y*z^6 + 18*y^2*z^6 - 6*y^3*z^6)* G[1 - y, -y, -y, 1 - y, z])/((-1 + y)^3*y^2*(-1 + z)*z^2) + ((-2*y - 4*z + 5*y*z + y^2*z + 6*z^2 - y*z^2 - 2*z^3)* G[-y, 0, 0, 1 - y, z])/y^2 - ((-2*y^5 + 11*y^6 - 15*y^7 + 6*y^8 - 7*y^4*z + 41*y^5*z - 63*y^6*z + 28*y^7*z + 2*y^8*z - 5*y^3*z^2 + 53*y^4*z^2 - 112*y^5*z^2 + 58*y^6*z^2 + 9*y^7*z^2 - 25*y^2*z^3 + 97*y^3*z^3 - 168*y^4*z^3 + 90*y^5*z^3 + 16*y^6*z^3 - 13*y*z^4 + 118*y^2*z^4 - 231*y^3*z^4 + 140*y^4*z^4 + 9*y^5*z^4 - 4*z^5 + 58*y*z^5 - 199*y^2*z^5 + 176*y^3*z^5 - 16*y^4*z^5 + 14*z^6 - 90*y*z^6 + 138*y^2*z^6 - 37*y^3*z^6 - 18*z^7 + 58*y*z^7 - 32*y^2*z^7 + 10*z^8 - 13*y*z^8 - 2*z^9)*G[-y, 0, 1, 0, z])/ (y^2*z*(-1 + y + z)^2*(y + z)^3) + ((-2*y - 4*z + 5*y*z + y^2*z + 6*z^2 - y*z^2 - 2*z^3)* G[-y, 0, 1 - y, 0, z])/y^2 - ((2*y^3 - 2*y^4 - 7*y^3*z + 2*y^4*z + 2*y*z^2 + y^3*z^2 + 2*z^3 - 5*y*z^3 - 4*z^4 + 3*y*z^4 + 2*z^5)* G[-y, 0, 1 - y, 1 - y, z])/(y^2*z^2) - ((-y^4 - 4*y^3*z + 2*y^4*z - 3*y*z^2 + 3*y^2*z^2 + 2*y^3*z^2 - 8*z^3 + 11*y*z^3 + 14*z^4 - 6*y*z^4 - 6*z^5)*G[-y, 0, -y, 1 - y, z])/ (y^2*z^2) + ((-2*y - 4*z + 5*y*z + y^2*z + 6*z^2 - y*z^2 - 2*z^3)* G[-y, 1 - y, 0, 0, z])/y^2 - ((2*y^3 - 2*y^4 - 7*y^3*z + 2*y^4*z + 2*y*z^2 + y^3*z^2 + 2*z^3 - 5*y*z^3 - 4*z^4 + 3*y*z^4 + 2*z^5)* G[-y, 1 - y, 0, 1 - y, z])/(y^2*z^2) - ((-2*y^5 + 11*y^6 - 15*y^7 + 6*y^8 - 7*y^4*z + 41*y^5*z - 63*y^6*z + 28*y^7*z + 2*y^8*z - 5*y^3*z^2 + 53*y^4*z^2 - 112*y^5*z^2 + 58*y^6*z^2 + 9*y^7*z^2 - 25*y^2*z^3 + 97*y^3*z^3 - 168*y^4*z^3 + 90*y^5*z^3 + 16*y^6*z^3 - 13*y*z^4 + 118*y^2*z^4 - 231*y^3*z^4 + 140*y^4*z^4 + 9*y^5*z^4 - 4*z^5 + 58*y*z^5 - 199*y^2*z^5 + 176*y^3*z^5 - 16*y^4*z^5 + 14*z^6 - 90*y*z^6 + 138*y^2*z^6 - 37*y^3*z^6 - 18*z^7 + 58*y*z^7 - 32*y^2*z^7 + 10*z^8 - 13*y*z^8 - 2*z^9)*G[-y, 1 - y, 1, 0, z])/(y^2*z*(-1 + y + z)^2*(y + z)^3) - ((2*y^3 - 2*y^4 - 7*y^3*z + 2*y^4*z + 2*y*z^2 + y^3*z^2 + 2*z^3 - 5*y*z^3 - 4*z^4 + 3*y*z^4 + 2*z^5)*G[-y, 1 - y, 1 - y, 0, z])/ (y^2*z^2) - ((3*y^3 - 3*y^4 - 4*y^2*z + 2*y^3*z + 6*y^4*z + 8*y^2*z^2 - 5*y^3*z^2 - 6*z^3 - 5*y*z^3 + 12*z^4 + 5*y*z^4 - 6*z^5)* G[-y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) - ((-y^3 + y^3*z + 2*y^4*z - y*z^2 - 7*y^2*z^2 + 5*y^3*z^2 + 2*z^3 + 2*y^2*z^3 - 2*z^4 - y*z^4)*G[-y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - ((2*y^3 - 2*y^4 - 7*y^3*z + 2*y^4*z - y*z^2 + y^3*z^2 - 4*z^3 + 4*y*z^3 + 8*z^4 - 3*y*z^4 - 4*z^5)*G[-y, -y, 0, 1 - y, z])/ (y^2*z^2) - ((2*y^3 - 2*y^4 - 7*y^3*z + 2*y^4*z - y*z^2 + y^3*z^2 - 4*z^3 + 4*y*z^3 + 8*z^4 - 3*y*z^4 - 4*z^5)*G[-y, -y, 1 - y, 0, z])/ (y^2*z^2) - ((-y^3 + y^4 + 5*y^3*z - y*z^2 - 3*y^2*z^2 + 2*z^3 - 3*y*z^3 + 2*y^2*z^3 - 4*z^4 + 4*y*z^4 + 2*z^5)* G[-y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + ((4*y^3 - 5*y^4 - 15*y^3*z + 8*y^4*z - 2*y*z^2 + 2*y^2*z^2 + 8*y^3*z^2 - 8*z^3 + 12*y*z^3 - 2*y^2*z^3 + 18*z^4 - 12*y*z^4 - 10*z^5)*G[-y, -y, -y, 1 - y, z])/(y^2*z^2) + (((2*I)*Pi*(9 - 54*y + 126*y^2 - 144*y^3 + 81*y^4 - 18*y^5 - 20*z + 88*y*z - 156*y^2*z + 134*y^3*z - 52*y^4*z + 6*y^5*z + 13*z^2 - 13*y*z^2 + 12*y^2*z^2 - 19*y^3*z^2 + 7*y^4*z^2 - 2*z^3 - 39*y*z^3 + 36*y^2*z^3 - 7*y^3*z^3 + 18*y*z^4 - 6*y^2*z^4))/ ((-1 + y)^3*(-1 + z)*(-1 + y + z)) + (6*y^3 - 24*y^4 + 36*y^5 - 24*y^6 + 6*y^7 - 12*y^2*z + 59*y^3*z - 153*y^4*z + 259*y^5*z - 269*y^6*z + 150*y^7*z - 34*y^8*z - 30*y*z^2 + 206*y^2*z^2 - 599*y^3*z^2 + 974*y^4*z^2 - 992*y^5*z^2 + 630*y^6*z^2 - 211*y^7*z^2 + 22*y^8*z^2 - 12*z^3 + 151*y*z^3 - 591*y^2*z^3 + 1102*y^3*z^3 - 1096*y^4*z^3 + 693*y^5*z^3 - 314*y^6*z^3 + 67*y^7*z^3 + 36*z^4 - 233*y*z^4 + 514*y^2*z^4 - 303*y^3*z^4 - 184*y^4*z^4 + 133*y^5*z^4 + y^6*z^4 - 36*z^5 + 115*y*z^5 + 75*y^2*z^5 - 659*y^3*z^5 + 622*y^4*z^5 - 153*y^5*z^5 + 12*z^6 + 15*y*z^6 - 288*y^2*z^6 + 448*y^3*z^6 - 151*y^4*z^6 - 18*y*z^7 + 96*y^2*z^7 - 42*y^3*z^7)/((-1 + y)^3*y*(-1 + z)*z*(-1 + y + z)* (y + z)^2))*Zeta[3] + G[0, z]* (((-4*I)*Pi*z^2*(-1 + 2*y + z)*(1 - y + y^2 - z + y*z))/ ((-1 + y)*y*(-1 + y + z)*(y + z)) - (z*(-1 + 2*y + z)*(-5*y + 5*y^2 + 13*z - 8*y*z + 13*y^2*z - 13*z^2 + 13*y*z^2))/((-1 + y)*y*(-1 + y + z)*(y + z)) + ((I/3)*Pi^3*z*(2 - 5*y + 10*y^3 - 10*y^4 + 3*y^5 - 4*z + 2*y*z + 10*y^2*z - 10*y^3*z + 2*y^4*z + 2*z^2 + 9*y*z^2 - 14*y^2*z^2 + 3*y^3*z^2 - 6*y*z^3 + 2*y^2*z^3))/((-1 + y)^3*(-1 + y + z)^2) - (Pi^2*(2*y^4 - 10*y^5 + 20*y^6 - 20*y^7 + 10*y^8 - 2*y^9 + 5*y^3*z - 34*y^4*z + 88*y^5*z - 112*y^6*z + 73*y^7*z - 22*y^8*z + 2*y^9*z + 4*y^2*z^2 - 38*y^3*z^2 + 123*y^4*z^2 - 180*y^5*z^2 + 122*y^6*z^2 - 30*y^7*z^2 - y^8*z^2 + 7*y*z^3 - 46*y^2*z^3 + 123*y^3*z^3 - 116*y^4*z^3 - 4*y^5*z^3 + 52*y^6*z^3 - 16*y^7*z^3 + 2*z^4 - 26*y*z^4 + 81*y^2*z^4 - 14*y^3*z^4 - 205*y^4*z^4 + 213*y^5*z^4 - 51*y^6*z^4 - 6*z^5 + 31*y*z^5 - 207*y^3*z^5 + 274*y^4*z^5 - 80*y^5*z^5 + 6*z^6 - 12*y*z^6 - 65*y^2*z^6 + 149*y^3*z^6 - 54*y^4*z^6 - 2*z^7 + 26*y^2*z^7 - 12*y^3*z^7))/ (6*(-1 + y)^3*y*z*(-1 + y + z)^2*(y + z)^2) + (((4*I)*Pi*z*(1 - 4*y + 5*y^2 - 3*y^3 + y^4 - 2*z + 6*y*z - 4*y^2*z + 2*y^3*z + z^2 - 2*y*z^2 + y^2*z^2))/ ((-1 + y)^2*y^2) - (y - 4*y^2 + 5*y^3 - 2*y^4 - 9*z + 16*y*z + 13*y^2*z - 21*y^3*z + y^4*z + 18*z^2 - 35*y*z^2 - 12*y^2*z^2 + y^3*z^2 - 9*z^3 + 18*y*z^3 - 9*y^2*z^3)/((-1 + y)^2*y^2) - (Pi^2*z*(-2*y^3 + 39*y^4 - 182*y^5 + 391*y^6 - 448*y^7 + 275*y^8 - 80*y^9 + 7*y^10 + 2*y^2*z + 80*y^3*z - 567*y^4*z + 1533*y^5*z - 2090*y^6*z + 1516*y^7*z - 553*y^8*z + 79*y^9*z + 85*y^2*z^2 - 750*y^3*z^2 + 2478*y^4*z^2 - 4012*y^5*z^2 + 3411*y^6*z^2 - 1478*y^7*z^2 + 266*y^8*z^2 + 34*y*z^3 - 461*y^2*z^3 + 1997*y^3*z^3 - 3975*y^4*z^3 + 4001*y^5*z^3 - 2012*y^6*z^3 + 424*y^7*z^3 + 2*z^4 - 114*y*z^4 + 791*y^2*z^4 - 2098*y^3*z^4 + 2584*y^4*z^4 - 1504*y^5*z^4 + 363*y^6*z^4 - 6*z^5 + 132*y*z^5 - 549*y^2*z^5 + 885*y^3*z^5 - 605*y^4*z^5 + 167*y^5*z^5 + 6*z^6 - 58*y*z^6 + 138*y^2*z^6 - 114*y^3*z^6 + 36*y^4*z^6 - 2*z^7 + 6*y*z^7 - 6*y^2*z^7 + 2*y^3*z^7))/(6*(-1 + y)^3*y^2* (-1 + y + z)^2*(y + z)^3))*G[1, y] + (((-2*I)*Pi*z*(-1 - y + z)*(-3 + 2*y + 3*z))/(-1 + y + z)^2 + (-2*y^3 + 4*y^4 - 2*y^5 - 2*y^2*z + 10*y^3*z - 10*y^4*z + 2*y^5*z - 2*y*z^2 + 8*y^2*z^2 - 30*y^3*z^2 + 13*y^4*z^2 + 6*z^3 - 14*y*z^3 - 24*y^2*z^3 + 32*y^3*z^3 - 16*z^4 + 12*y*z^4 + 29*y^2*z^4 + 14*z^5 + 4*y*z^5 - 4*z^6)/(z*(-1 + y + z)^2* (y + z)^2))*G[0, 0, y] + (((2*I)*Pi*z*(-2 + 12*y - 26*y^2 + 29*y^3 - 16*y^4 + 3*y^5 + 4*z - 18*y*z + 30*y^2*z - 28*y^3*z + 8*y^4*z - 2*z^2 + 6*y*z^2 - 6*y^2*z^2 + 2*y^3*z^2))/((-1 + y)^3*y^2) - (-2*y^3 + 8*y^4 - 12*y^5 + 8*y^6 - 2*y^7 - y^2*z + 11*y^3*z - 29*y^4*z + 31*y^5*z - 14*y^6*z + 2*y^7*z - 17*z^2 + 94*y*z^2 - 216*y^2*z^2 + 271*y^3*z^2 - 192*y^4*z^2 + 67*y^5*z^2 - 7*y^6*z^2 + 51*z^3 - 239*y*z^3 + 450*y^2*z^3 - 465*y^3*z^3 + 260*y^4*z^3 - 57*y^5*z^3 - 51*z^4 + 196*y*z^4 - 284*y^2*z^4 + 208*y^3*z^4 - 57*y^4*z^4 + 17*z^5 - 51*y*z^5 + 51*y^2*z^5 - 17*y^3*z^5)/((-1 + y)^3*y^2*z*(-1 + y + z)))*G[0, 1, y] + (((-2*I)*Pi*z*(-2*y + 5*y^2 - 5*y^3 + y^4 + 3*y^5 + 2*z - 9*y^2*z + 8*y^3*z + 7*y^4*z - 5*z^2 - 3*y*z^2 + 18*y^2*z^2 + z^3 + 16*y*z^3 - 12*y^2*z^3 + 5*z^4 - 11*y*z^4 - 3*z^5))/ ((-1 + y + z)^2*(y + z)^3) - (2*y^4 - 6*y^5 + 6*y^6 - 2*y^7 + 3*y^3*z - 16*y^4*z + 25*y^5*z - 14*y^6*z + 2*y^7*z - 13*y^2*z^2 + 29*y^3*z^2 - 3*y^4*z^2 - 17*y^5*z^2 + 21*y^6*z^2 - 6*y*z^3 + 78*y^2*z^3 - 137*y^3*z^3 + 80*y^4*z^3 + 27*y^5*z^3 - 4*z^4 + 59*y*z^4 - 231*y^2*z^4 + 260*y^3*z^4 - 53*y^4*z^4 + 20*z^5 - 152*y*z^5 + 298*y^2*z^5 - 149*y^3*z^5 - 36*z^6 + 151*y*z^6 - 132*y^2*z^6 + 28*z^7 - 52*y*z^7 - 8*z^8)/ (y*z*(-1 + y + z)^2*(y + z)^3))*G[1, 0, y] + (((-2*I)*Pi*(1 + 2*y - z)*z*(-2 + y + 2*z))/y^2 + (2*y^2 - 6*y^3 + 6*y^4 - 2*y^5 - 6*y^2*z + 14*y^3*z - 10*y^4*z + 2*y^5*z + 9*z^2 - 18*y*z^2 + 10*y^2*z^2 + 2*y^3*z^2 - 3*y^4*z^2 - 18*z^3 + 36*y*z^3 - 26*y^2*z^3 + 9*z^4 - 18*y*z^4 + 9*y^2*z^4)/((-1 + y)^2*y^2*z))*G[1, 1, y] - ((1 + y - z)*z*(-7 + 4*y + 7*z)*G[0, 0, 0, y])/(-1 + y + z)^2 + (z*(-6 + 43*y - 128*y^2 + 205*y^3 - 192*y^4 + 107*y^5 - 34*y^6 + 5*y^7 + 22*z - 135*y*z + 337*y^2*z - 447*y^3*z + 331*y^4*z - 126*y^5*z + 18*y^6*z - 30*z^2 + 153*y*z^2 - 308*y^2*z^2 + 321*y^3*z^2 - 170*y^4*z^2 + 34*y^5*z^2 + 18*z^3 - 73*y*z^3 + 111*y^2*z^3 - 81*y^3*z^3 + 21*y^4*z^3 - 4*z^4 + 12*y*z^4 - 12*y^2*z^4 + 4*y^3*z^4)*G[0, 0, 1, y])/((-1 + y)^3*y^2* (-1 + y + z)^2) + (z*(3*y^4 - 15*y^5 + 12*y^6 + 4*y^7 - 16*y^2*z + 55*y^3*z - 96*y^4*z + 76*y^5*z - 12*y*z^2 + 97*y^2*z^2 - 210*y^3*z^2 + 195*y^4*z^2 - 43*y^5*z^2 - 4*z^3 + 61*y*z^3 - 216*y^2*z^3 + 265*y^3*z^3 - 102*y^4*z^3 + 16*z^4 - 111*y*z^4 + 205*y^2*z^4 - 112*y^3*z^4 - 24*z^5 + 87*y*z^5 - 70*y^2*z^5 + 16*z^6 - 25*y*z^6 - 4*z^7)*G[0, 1, 0, y])/(y^2*(-1 + y + z)^2* (y + z)^3) - (2*z*(5 - 17*y + 24*y^2 - 15*y^3 + 3*y^4 - 5*z + 15*y*z - 21*y^2*z + 7*y^3*z)*G[0, 1, 1, y])/((-1 + y)^3*y) + (2*z*(2*y - 3*y^2 + 3*y^3 + 3*y^4 - 2*z + 9*y^2*z + 5*y^3*z + 3*z^2 + 9*y*z^2 - 3*y^2*z^2 + 3*z^3 - 9*y*z^3 - 4*z^4)* G[1, 0, 0, y])/((-1 + y + z)*(y + z)^3) - (z*(-4 + 37*y - 132*y^2 + 242*y^3 - 248*y^4 + 141*y^5 - 40*y^6 + 4*y^7 + 18*z - 135*y*z + 393*y^2*z - 561*y^3*z + 421*y^4*z - 164*y^5*z + 28*y^6*z - 30*z^2 + 177*y*z^2 - 402*y^2*z^2 + 414*y^3*z^2 - 200*y^4*z^2 + 41*y^5*z^2 + 22*z^3 - 97*y*z^3 + 159*y^2*z^3 - 103*y^3*z^3 + 27*y^4*z^3 - 6*z^4 + 18*y*z^4 - 18*y^2*z^4 + 6*y^3*z^4)*G[1, 0, 1, y])/((-1 + y)^3*y^2* (-1 + y + z)^2) - (z*(2*y^3 - 8*y^4 + 8*y^5 - y^6 + 5*y^7 + 14*y^2*z - 55*y^3*z + 69*y^4*z - 24*y^5*z + 17*y^6*z + 12*y*z^2 - 92*y^2*z^2 + 177*y^3*z^2 - 105*y^4*z^2 + 31*y^5*z^2 + 4*z^3 - 61*y*z^3 + 203*y^2*z^3 - 197*y^3*z^3 + 54*y^4*z^3 - 16*z^4 + 111*y*z^4 - 186*y^2*z^4 + 75*y^3*z^4 + 24*z^5 - 87*y*z^5 + 61*y^2*z^5 - 16*z^6 + 25*y*z^6 + 4*z^7)*G[1, 1, 0, y])/ (y^2*(-1 + y + z)^2*(y + z)^3) + ((3 + 4*y - 3*z)*z*(-2 + y + 2*z)* G[1, 1, 1, y])/y^2 + (z*(-2 + 15*y - 36*y^2 + 38*y^3 - 18*y^4 + 3*y^5 + 4*z - 90*y*z + 190*y^2*z - 126*y^3*z + 22*y^4*z - 2*z^2 + 111*y*z^2 - 146*y^2*z^2 + 37*y^3*z^2 - 42*y*z^3 + 14*y^2*z^3)* Zeta[3])/((-1 + y)^3*(-1 + y + z)^2)) + G[0, y]*(((-4*I)*Pi*y*(-y + 4*y^2 - 5*y^3 + 2*y^4 + y*z - 7*y^2*z + 6*y^3*z - 2*z^2 + 7*y^2*z^2 + 2*z^3 + 3*y*z^3))/ ((-1 + y)*z*(-1 + y + z)*(y + z)) - (y*(-13*y + 52*y^2 - 65*y^3 + 26*y^4 + 5*z + 33*y*z - 114*y^2*z + 76*y^3*z - z^2 - 53*y*z^2 + 87*y^2*z^2 - 4*z^3 + 37*y*z^3))/ ((-1 + y)*z*(-1 + y + z)*(y + z)) - ((I/3)*Pi^3*(2 - 11*y + 15*y^2 - 6*y^3 - 9*z + 24*y*z - 18*y^2*z + 2*y^3*z + 15*z^2 - 15*y*z^2 + 3*y^2*z^2 - 11*z^3 + 2*y*z^3 + 3*z^4))/((-1 + z)*(-1 + y + z)^2) - (Pi^2*(y^4 - 3*y^5 + 3*y^6 - y^7 - 5*y^3*z + 54*y^4*z - 106*y^5*z + 70*y^6*z - 13*y^7*z - 7*y^2*z^2 + 121*y^3*z^2 - 360*y^4*z^2 + 353*y^5*z^2 - 117*y^6*z^2 + 10*y^7*z^2 - y*z^3 + 64*y^2*z^3 - 378*y^3*z^3 + 587*y^4*z^3 - 288*y^5*z^3 + 40*y^6*z^3 + 4*z^4 - 16*y*z^4 - 97*y^2*z^4 + 372*y^3*z^4 - 287*y^4*z^4 + 48*y^5*z^4 - 16*z^5 + 58*y*z^5 + 15*y^2*z^5 - 90*y^3*z^5 + 9*y^4*z^5 + 24*z^6 - 68*y*z^6 + 40*y^2*z^6 - 20*y^3*z^6 - 16*z^7 + 31*y*z^7 - 15*y^2*z^7 + 4*z^8 - 4*y*z^8))/(6*(-1 + y)*y*(-1 + z)*z* (-1 + y + z)^2*(y + z)^2) + ((4*Pi^2*(1 + y - z)*z)/ (3*(-1 + y + z)) - ((4*I)*Pi*z*(-y + 2*y^2 - y^3 + y^4 + z - y^2*z + 2*y^3*z - 2*z^2 + y*z^2 + y^2*z^2 + z^3))/ ((-1 + y + z)^2*(y + z)^2) + (-y^2 + 3*y^3 - 2*y^4 + 15*y*z - 35*y^2*z + 9*y^3*z + y^4*z - 12*z^2 - 23*y*z^2 + 30*y^2*z^2 + 3*y^3*z^2 + 15*z^3 + 25*y*z^3 - 6*y^2*z^3 + 6*z^4 - 17*y*z^4 - 9*z^5)/((-1 + y + z)^2*(y + z)^2))*G[0, z] - (Pi^2*(y^2 - 4*y^3 + 5*y^4 - 2*y^5 - 3*y^2*z + 5*y^3*z - 2*y^5*z + y*z^2 + 8*y^2*z^2 - 30*y^3*z^2 + 35*y^4*z^2 - 16*y^5*z^2 + 4*z^3 - 17*y*z^3 - 2*y^2*z^3 + 56*y^3*z^3 - 50*y^4*z^3 + 4*y^5*z^3 - 20*z^4 + 58*y*z^4 - 27*y^2*z^4 - 22*y^3*z^4 + 10*y^4*z^4 + 40*z^5 - 82*y*z^5 + 37*y^2*z^5 - 5*y^3*z^5 - 40*z^6 + 53*y*z^6 - 14*y^2*z^6 + 20*z^7 - 13*y*z^7 - 4*z^8)* G[1, z])/(6*y^2*(-1 + z)*z^2*(-1 + y + z)^2) + (((4*I)*Pi*(-1 + y)*(y + z)*(-1 + 2*y + z))/z^2 + (3*(-1 + 2*y + z)*(-3*y + 3*y^2 - 7*z + 3*y*z + 3*z^2))/z^2 + (Pi^2*(y^5 - 4*y^6 + 6*y^7 - 4*y^8 + y^9 + 3*y^4*z - 33*y^5*z + 99*y^6*z - 116*y^7*z + 52*y^8*z - 5*y^9*z + 3*y^3*z^2 - 74*y^4*z^2 + 350*y^5*z^2 - 613*y^6*z^2 + 438*y^7*z^2 - 108*y^8*z^2 + 4*y^9*z^2 + y^2*z^3 - 58*y^3*z^3 + 494*y^4*z^3 - 1325*y^5*z^3 + 1417*y^6*z^3 - 569*y^7*z^3 + 52*y^8*z^3 - 8*y^2*z^4 + 275*y^3*z^4 - 1340*y^4*z^4 + 2220*y^5*z^4 - 1355*y^6*z^4 + 217*y^7*z^4 + 13*y*z^5 - 15*y^2*z^5 - 513*y^3*z^5 + 1703*y^4*z^5 - 1668*y^5*z^5 + 432*y^6*z^5 + 4*z^6 - 77*y*z^6 + 141*y^2*z^6 + 407*y^3*z^6 - 996*y^4*z^6 + 447*y^5*z^6 - 20*z^7 + 178*y*z^7 - 268*y^2*z^7 - 103*y^3*z^7 + 210*y^4*z^7 + 40*z^8 - 202*y*z^8 + 207*y^2*z^8 - 11*y^3*z^8 - 40*z^9 + 113*y*z^9 - 58*y^2*z^9 + 20*z^10 - 25*y*z^10 - 4*z^11))/(6*y^2*(-1 + z)*z^2*(-1 + y + z)^2*(y + z)^3))* G[1 - y, z] + (((2*I)*Pi*(1 + y - z)*z*(-2 + 3*y + 2*z))/ (-1 + y + z)^2 + (z*(-3*y^3 + 10*y^4 + 10*y^5 + 12*y*z - 34*y^2*z + 46*y^3*z + 6*y^4*z + 4*z^2 - 43*y*z^2 + 74*y^2*z^2 - 29*y^3*z^2 - 12*z^3 + 50*y*z^3 - 40*y^2*z^3 + 12*z^4 - 19*y*z^4 - 4*z^5))/(y*(-1 + y + z)^2*(y + z)^2))*G[0, 0, z] + (((-2*I)*Pi*(-1 + 2*y + z)*(3 - 8*z + 3*z^2))/((-1 + z)*z) + ((-1 + 2*y + z)*(-4*y^2 + 8*y^3 - 4*y^4 + y*z + 11*y^2*z - 16*y^3*z + 4*y^4*z - 4*z^2 - 12*y*z^2 - y^2*z^2 + 8*y^3*z^2 + 16*z^3 + 19*y*z^3 - 4*y^2*z^3 - 20*z^4 - 8*y*z^4 + 8*z^5))/ (y*(-1 + z)*z^2*(-1 + y + z)))*G[0, 1 - y, z] + (((-4*I)*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 - ((-1 + z)*z*(4 - 13*y + 22*y^2 - 8*z + 13*y*z + 4*z^2))/ (y*(-1 + y + z)^2))*G[1, 0, z] + (((-2*I)*Pi*(y^3 + 2*y*z + y^3*z + 3*y^4*z - 2*z^2 + 3*y*z^2 + 3*y^2*z^2 + 6*y^3*z^2 + 4*z^3 + 3*y*z^3 + z^4 - 6*y*z^4 - 3*z^5))/((-1 + y + z)*(y + z)^3) - (2*y^4 - 8*y^5 + 10*y^6 - 4*y^7 + 3*y^3*z - 22*y^4*z + 41*y^5*z - 26*y^6*z + 4*y^7*z - 13*y^2*z^2 + 23*y^3*z^2 + 21*y^4*z^2 - 61*y^5*z^2 + 34*y^6*z^2 - 6*y*z^3 + 76*y^2*z^3 - 121*y^3*z^3 + 72*y^5*z^3 - 4*z^4 + 59*y*z^4 - 227*y^2*z^4 + 194*y^3*z^4 + 24*y^4*z^4 + 20*z^5 - 152*y*z^5 + 278*y^2*z^5 - 88*y^3*z^5 - 36*z^6 + 151*y*z^6 - 114*y^2*z^6 + 28*z^7 - 52*y*z^7 - 8*z^8)/(y*z*(-1 + y + z)^2* (y + z)^3))*G[1 - y, 0, z] + (((-2*I)*Pi*(y - y^2 - 2*z + 2*y*z + 2*y^2*z + 4*z^2 - 3*y*z^2 - 2*z^3))/z^2 - (10*y^2 - 18*y^3 + 8*y^4 + 3*y*z - 28*y^2*z + 21*y^3*z + 4*z^2 - 6*y*z^2 + 8*y^2*z^2 - 8*z^3 + 3*y*z^3 + 4*z^4)/(y*z^2))*G[1 - y, 1 - y, z] + (((-2*I)*Pi*y*(1 - y - 2*z + 2*y*z + 2*z^2))/z^2 - ((-1 + y + z)*(-6*y^2 + 3*y*z + 11*y^2*z - 4*z^2 - 3*y*z^2 + 4*z^3))/(y*z^2))*G[-y, 1 - y, z] - ((1 + y - z)*z*(-4 + 7*y + 4*z)*G[0, 0, 0, z])/(-1 + y + z)^2 - ((-1 + 2*y + z)*(7*y^2 - 14*y^3 + 7*y^4 - y*z - 27*y^2*z + 42*y^3*z - 14*y^4*z - 4*z^2 + 8*y*z^2 + 33*y^2*z^2 - 38*y^3*z^2 + 5*y^4*z^2 + 16*z^3 - 18*y*z^3 - 13*y^2*z^3 + 10*y^3*z^3 - 24*z^4 + 16*y*z^4 + 16*z^5 - 5*y*z^5 - 4*z^6)*G[0, 0, 1 - y, z])/ (y^2*(-1 + z)*z*(-1 + y + z)^2) + (4*y*(-1 + z)*z*G[0, 1, 0, z])/ (-1 + y + z)^2 + ((-2*y^5 + 2*y^6 - 9*y^4*z + 14*y^5*z - 10*y^6*z + 7*y^7*z + 16*y^2*z^2 - 61*y^3*z^2 + 81*y^4*z^2 - 50*y^5*z^2 + 29*y^6*z^2 + 12*y*z^3 - 99*y^2*z^3 + 191*y^3*z^3 - 129*y^4*z^3 + 53*y^5*z^3 + 4*z^4 - 61*y*z^4 + 209*y^2*z^4 - 203*y^3*z^4 + 68*y^4*z^4 - 16*z^5 + 111*y*z^5 - 185*y^2*z^5 + 75*y^3*z^5 + 24*z^6 - 87*y*z^6 + 59*y^2*z^6 - 16*z^7 + 25*y*z^7 + 4*z^8)* G[0, 1 - y, 0, z])/(y^2*(-1 + y + z)^2*(y + z)^3) - ((-y^3 + y^4 + 6*y^2*z - 9*y^3*z - 3*y^4*z - y*z^2 - 17*y^2*z^2 + 29*y^3*z^2 + 2*y^4*z^2 - 4*z^3 + 7*y*z^3 + 15*y^2*z^3 - 11*y^3*z^3 + 12*z^4 - 11*y*z^4 - 4*y^2*z^4 - 12*z^5 + 5*y*z^5 + 4*z^6)*G[0, 1 - y, 1 - y, z])/(y^2*(-1 + z)*z^2) - ((y^3 - y^4 - 2*y^3*z + 2*y^4*z + y*z^2 - 5*y^2*z^2 + 2*y^3*z^2 + 4*z^3 - 6*y*z^3 + 2*y^2*z^3 - 8*z^4 + 5*y*z^4 + 4*z^5)* G[0, -y, 1 - y, z])/(y^2*z^2) - ((-1 + z)*z*(-4 + 13*y - 15*y^2 + 4*y^3 + 12*z - 26*y*z + 15*y^2*z - 12*z^2 + 13*y*z^2 + 4*z^3)*G[1, 0, 0, z])/(y^2*(-1 + y + z)^2) - ((-1 + 2*y + z)*(-y^2 + 2*y^3 - y^4 + y^2*z - y^4*z - y*z^2 - 6*y^2*z^2 + 14*y^3*z^2 - 8*y^4*z^2 - 4*z^3 + 8*y*z^3 + 10*y^2*z^3 - 20*y^3*z^3 + 2*y^4*z^3 + 16*z^4 - 18*y*z^4 - y^2*z^4 + 4*y^3*z^4 - 24*z^5 + 16*y*z^5 - 3*y^2*z^5 + 16*z^6 - 5*y*z^6 - 4*z^7)*G[1, 0, 1 - y, z])/(y^2*(-1 + z)*z^2* (-1 + y + z)^2) - ((-1 + z)*z*(-1 + 2*y + z)*(4 - 5*y + 5*y^2 - 8*z + 5*y*z + 4*z^2)*G[1, 1, 0, z])/(y^2*(-1 + y + z)^2) + ((-1 + z)*(-y^2 + y^3 + y^2*z - 2*y^3*z - 4*z^2 + 13*y*z^2 - 14*y^2*z^2 + 7*y^3*z^2 + 12*z^3 - 26*y*z^3 + 14*y^2*z^3 - 12*z^4 + 13*y*z^4 + 4*z^5)*G[1, 1 - y, 0, z])/ (y^2*z*(-1 + y + z)^2) + ((-2*y^5 + 2*y^6 - 9*y^4*z + 15*y^5*z - 10*y^6*z + 8*y^7*z + 16*y^2*z^2 - 61*y^3*z^2 + 84*y^4*z^2 - 52*y^5*z^2 + 30*y^6*z^2 + 12*y*z^3 - 99*y^2*z^3 + 194*y^3*z^3 - 135*y^4*z^3 + 51*y^5*z^3 + 4*z^4 - 61*y*z^4 + 210*y^2*z^4 - 209*y^3*z^4 + 66*y^4*z^4 - 16*z^5 + 111*y*z^5 - 187*y^2*z^5 + 76*y^3*z^5 + 24*z^6 - 87*y*z^6 + 60*y^2*z^6 - 16*z^7 + 25*y*z^7 + 4*z^8)*G[1 - y, 0, 0, z])/(y^2*(-1 + y + z)^2*(y + z)^3) + ((y^2 - 2*y^3 + y^4 - 8*y^2*z + 18*y^3*z - 3*y^4*z + y*z^2 + 20*y^2*z^2 - 39*y^3*z^2 + 2*y^4*z^2 + 4*z^3 - 7*y*z^3 - 18*y^2*z^3 + 15*y^3*z^3 - 12*z^4 + 11*y*z^4 + 5*y^2*z^4 + 12*z^5 - 5*y*z^5 - 4*z^6)*G[1 - y, 0, 1 - y, z])/ (y^2*(-1 + z)*z^2) + (z*(4 - 13*y + 15*y^2 - 5*y^3 + y^4 - 16*z + 39*y*z - 30*y^2*z + 5*y^3*z + 24*z^2 - 39*y*z^2 + 15*y^2*z^2 - 16*z^3 + 13*y*z^3 + 4*z^4)*G[1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) + ((-2*y^6 + 4*y^7 - 2*y^8 - 3*y^5*z + 12*y^6*z - 11*y^7*z + 2*y^8*z + 3*y^4*z^2 + 4*y^5*z^2 - 23*y^6*z^2 + 11*y^7*z^2 + 9*y^3*z^3 - 26*y^4*z^3 - 17*y^5*z^3 + 19*y^6*z^3 + 17*y^2*z^4 - 63*y^3*z^4 + 25*y^4*z^4 + 11*y^5*z^4 + 12*y*z^5 - 74*y^2*z^5 + 82*y^3*z^5 - 10*y^4*z^5 + 4*z^6 - 45*y*z^6 + 96*y^2*z^6 - 33*y^3*z^6 - 12*z^7 + 54*y*z^7 - 39*y^2*z^7 + 12*z^8 - 21*y*z^8 - 4*z^9)*G[1 - y, 1 - y, 0, z])/ (y^2*z^2*(-1 + y + z)*(y + z)^3) + ((3*y - 3*y^2 - 4*z + 2*y*z + 6*y^2*z + 8*z^2 - 5*y*z^2 - 4*z^3)* G[1 - y, 1 - y, 1 - y, z])/z^2 + (2*y*(1 - y - 2*z + 2*y*z + 2*z^2)*G[1 - y, -y, 1 - y, z])/z^2 + ((-y^4 - 4*y^3*z + 2*y^4*z - y*z^2 + 3*y^2*z^2 + 2*y^3*z^2 - 4*z^3 + 6*y*z^3 - y^2*z^3 + 8*z^4 - 5*y*z^4 - 4*z^5)*G[-y, 0, 1 - y, z])/ (y^2*z^2) + ((2*y^6 - 6*y^7 + 6*y^8 - 2*y^9 + 4*y^5*z - 18*y^6*z + 27*y^7*z - 15*y^8*z + 2*y^9*z - 12*y^5*z^2 + 45*y^6*z^2 - 45*y^7*z^2 + 13*y^8*z^2 + 5*y^4*z^3 + 23*y^5*z^3 - 63*y^6*z^3 + 33*y^7*z^3 - 22*y^2*z^4 + 73*y^3*z^4 - 84*y^4*z^4 - 9*y^5*z^4 + 39*y^6*z^4 - 12*y*z^5 + 113*y^2*z^5 - 219*y^3*z^5 + 123*y^4*z^5 + 7*y^5*z^5 - 4*z^6 + 61*y*z^6 - 223*y^2*z^6 + 225*y^3*z^6 - 49*y^4*z^6 + 16*z^7 - 111*y*z^7 + 195*y^2*z^7 - 81*y^3*z^7 - 24*z^8 + 87*y*z^8 - 63*y^2*z^8 + 16*z^9 - 25*y*z^9 - 4*z^10)* G[-y, 1 - y, 0, z])/(y^2*z^2*(-1 + y + z)^2*(y + z)^3) + ((y^3 - y^4 - 2*y^3*z + 2*y^4*z + y*z^2 - 5*y^2*z^2 + 3*y^3*z^2 + 4*z^3 - 6*y*z^3 + 2*y^2*z^3 - 8*z^4 + 5*y*z^4 + 4*z^5)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2) - ((2*y^3 - 2*y^4 - 4*y^3*z + 4*y^4*z - y*z^2 + 5*y^2*z^2 + 3*y^3*z^2 - 4*z^3 + 6*y*z^3 - 2*y^2*z^3 + 8*z^4 - 5*y*z^4 - 4*z^5)*G[-y, -y, 1 - y, z])/(y^2*z^2) - ((26 - 171*y + 384*y^2 - 401*y^3 + 204*y^4 - 42*y^5 - 81*z + 440*y*z - 785*y^2*z + 603*y^3*z - 191*y^4*z + 14*y^5*z + 87*z^2 - 373*y*z^2 + 495*y^2*z^2 - 258*y^3*z^2 + 43*y^4*z^2 - 35*z^3 + 110*y*z^3 - 97*y^2*z^3 + 28*y^3*z^3 + 3*z^4 - 6*y*z^4 + 3*y^2*z^4)*Zeta[3])/((-1 + y)^2*(-1 + z)*(-1 + y + z)^2)) + G[1, z]*(((-1/3*I)*Pi^3*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 4*y*z + 3*y^2*z - 4*z^2 + 3*y*z^2 + 2*z^3))/ (y^2*(-1 + y + z)^2) - (Pi^2*(-1 + z)*(-1 + 2*y + z)* (4*y^3 - 12*y^4 + 12*y^5 - 4*y^6 + 25*y^2*z - 88*y^3*z + 127*y^4*z - 90*y^5*z + 26*y^6*z + 30*y*z^2 - 154*y^2*z^2 + 288*y^3*z^2 - 242*y^4*z^2 + 78*y^5*z^2 + 13*z^3 - 108*y*z^3 + 264*y^2*z^3 - 256*y^3*z^3 + 91*y^4*z^3 - 26*z^4 + 104*y*z^4 - 126*y^2*z^4 + 52*y^3*z^4 + 13*z^5 - 26*y*z^5 + 13*y^2*z^5))/ (6*(-1 + y)^2*y^2*(-1 + y + z)^2*(y + z)^2) - ((-y^2 + 3*y^3 - 2*y^4 - y*z + 2*y^2*z - 2*y^4*z - 2*z^2 + 6*y*z^2 - 9*y^2*z^2 + 21*y^3*z^2 - 16*y^4*z^2 + 6*z^3 - 7*y*z^3 + 15*y^2*z^3 - 30*y^3*z^3 + 4*y^4*z^3 - 4*z^4 - 5*y*z^4 - 6*y^2*z^4 + 6*y^3*z^4 - 4*z^5 + 12*y*z^5 - y^2*z^5 + 6*z^6 - 5*y*z^6 - 2*z^7)*G[0, 0, 1, y])/(y^2*(-1 + z)*z^2*(-1 + y + z)) + ((y - 4*y^2 + 5*y^3 - 2*y^4 - 3*y*z + 5*y^2*z - 2*y^4*z + z^2 + 8*y*z^2 - 30*y^2*z^2 + 35*y^3*z^2 - 16*y^4*z^2 - 4*z^3 - 17*y*z^3 + 66*y^2*z^3 - 50*y^3*z^3 + 4*y^4*z^3 + 6*z^4 + 18*y*z^4 - 42*y^2*z^4 + 10*y^3*z^4 - 4*z^5 - 8*y*z^5 + 5*y^2*z^5 + z^6 + y*z^6)*G[0, 1, 0, y])/(y*(-1 + z)*z^2* (-1 + y + z)^2) + ((-y^2 + 3*y^3 - 2*y^4 - y*z + 2*y^2*z - 2*y^4*z - 2*z^2 + 6*y*z^2 - 9*y^2*z^2 + 21*y^3*z^2 - 16*y^4*z^2 + 6*z^3 - 7*y*z^3 + 15*y^2*z^3 - 30*y^3*z^3 + 4*y^4*z^3 - 4*z^4 - 5*y*z^4 - 6*y^2*z^4 + 6*y^3*z^4 - 4*z^5 + 12*y*z^5 - y^2*z^5 + 6*z^6 - 5*y*z^6 - 2*z^7)*G[1, 0, 1, y])/(y^2*(-1 + z)*z^2* (-1 + y + z)) - ((y - 4*y^2 + 5*y^3 - 2*y^4 - 3*y*z + 5*y^2*z - 2*y^4*z + z^2 + 8*y*z^2 - 30*y^2*z^2 + 35*y^3*z^2 - 16*y^4*z^2 - 4*z^3 - 17*y*z^3 + 66*y^2*z^3 - 50*y^3*z^3 + 4*y^4*z^3 + 6*z^4 + 18*y*z^4 - 42*y^2*z^4 + 10*y^3*z^4 - 4*z^5 - 8*y*z^5 + 5*y^2*z^5 + z^6 + y*z^6)*G[1, 1, 0, y])/(y*(-1 + z)*z^2* (-1 + y + z)^2) + ((3*y^2 - 12*y^3 + 15*y^4 - 6*y^5 + 3*y*z - 14*y^2*z + 17*y^3*z - 6*y^5*z + 6*z^2 - 26*y*z^2 + 54*y^2*z^2 - 96*y^3*z^2 + 105*y^4*z^2 - 48*y^5*z^2 - 18*z^3 + 30*y*z^3 - 55*y^2*z^3 + 176*y^3*z^3 - 150*y^4*z^3 + 12*y^5*z^3 + 80*y*z^4 - 64*y^2*z^4 - 72*y^3*z^4 + 30*y^4*z^4 + 60*z^5 - 205*y*z^5 + 129*y^2*z^5 - 13*y^3*z^5 - 90*z^6 + 162*y*z^6 - 53*y^2*z^6 + 54*z^7 - 44*y*z^7 - 12*z^8)*Zeta[3])/(y^2*(-1 + z)*z^2* (-1 + y + z)^2)) + G[1, y]* (((4*I)*Pi*(-1 + y + z)*(y^2 - 3*y^3 + 2*y^4 - 3*y*z + 2*y^2*z + 2*y^3*z + z^2 - y*z^2 + y^2*z^2 - z^3 + y*z^3))/ ((-1 + y)*y*z*(y + z)) + ((-1 + y + z)*(13*y^2 - 39*y^3 + 26*y^4 - 7*y*z - 3*y^2*z + 28*y^3*z + 13*z^2 - 10*y*z^2 + 15*y^2*z^2 - 13*z^3 + 13*y*z^3))/((-1 + y)*y*z*(y + z)) + ((I/3)*Pi^3*(y^4 - 8*y^5 + 31*y^6 - 70*y^7 + 95*y^8 - 76*y^9 + 33*y^10 - 6*y^11 + 7*y^3*z - 52*y^4*z + 182*y^5*z - 381*y^6*z + 501*y^7*z - 406*y^8*z + 188*y^9*z - 41*y^10*z + 2*y^11*z + 7*y^2*z^2 - 81*y^3*z^2 + 360*y^4*z^2 - 857*y^5*z^2 + 1202*y^6*z^2 - 1012*y^7*z^2 + 491*y^8*z^2 - 118*y^9*z^2 + 8*y^10*z^2 + 7*y*z^3 - 82*y^2*z^3 + 414*y^3*z^3 - 1127*y^4*z^3 + 1760*y^5*z^3 - 1594*y^6*z^3 + 817*y^7*z^3 - 213*y^8*z^3 + 18*y^9*z^3 + 2*z^4 - 47*y*z^4 + 309*y^2*z^4 - 999*y^3*z^4 + 1800*y^4*z^4 - 1826*y^5*z^4 + 1018*y^6*z^4 - 294*y^7*z^4 + 33*y^8*z^4 - 10*z^5 + 124*y*z^5 - 556*y^2*z^5 + 1258*y^3*z^5 - 1530*y^4*z^5 + 980*y^5*z^5 - 320*y^6*z^5 + 46*y^7*z^5 + 20*z^6 - 166*y*z^6 + 535*y^2*z^6 - 851*y^3*z^6 + 673*y^4*z^6 - 255*y^5*z^6 + 44*y^6*z^6 - 20*z^7 + 119*y*z^7 - 276*y^2*z^7 + 293*y^3*z^7 - 136*y^4*z^7 + 28*y^5*z^7 + 10*z^8 - 43*y*z^8 + 69*y^2*z^8 - 43*y^3*z^8 + 11*y^4*z^8 - 2*z^9 + 6*y*z^9 - 6*y^2*z^9 + 2*y^3*z^9))/((-1 + y)^3*y^2*(-1 + z)*(-1 + y + z)^2* (y + z)^3) + (Pi^2*(-3*y^5 + 16*y^6 - 35*y^7 + 40*y^8 - 25*y^9 + 8*y^10 - y^11 + 26*y^4*z - 158*y^5*z + 418*y^6*z - 623*y^7*z + 562*y^8*z - 304*y^9*z + 90*y^10*z - 11*y^11*z + 97*y^3*z^2 - 725*y^4*z^2 + 2261*y^5*z^2 - 3847*y^6*z^2 + 3879*y^7*z^2 - 2335*y^8*z^2 + 795*y^9*z^2 - 133*y^10*z^2 + 8*y^11*z^2 + 92*y^2*z^3 - 1020*y^3*z^3 + 4165*y^4*z^3 - 8720*y^5*z^3 + 10407*y^6*z^3 - 7249*y^7*z^3 + 2843*y^8*z^3 - 553*y^9*z^3 + 35*y^10*z^3 + 49*y*z^4 - 756*y^2*z^4 + 4087*y^3*z^4 - 10769*y^4*z^4 + 15587*y^5*z^4 - 12824*y^6*z^4 + 5853*y^7*z^4 - 1326*y^8*z^4 + 99*y^9*z^4 + 13*z^5 - 328*y*z^5 + 2461*y^2*z^5 - 8357*y^3*z^5 + 14970*y^4*z^5 - 14818*y^5*z^5 + 7992*y^6*z^5 - 2161*y^7*z^5 + 216*y^8*z^5 - 65*z^6 + 861*y*z^6 - 4114*y^2*z^6 + 9535*y^3*z^6 - 11703*y^4*z^6 + 7622*y^5*z^6 - 2484*y^6*z^6 + 324*y^7*z^6 + 130*z^7 - 1144*y*z^7 + 3795*y^2*z^7 - 6111*y^3*z^7 + 4983*y^4*z^7 - 1975*y^5*z^7 + 322*y^6*z^7 - 130*z^8 + 811*y*z^8 - 1903*y^2*z^8 + 2064*y^3*z^8 - 1026*y^4*z^8 + 208*y^5*z^8 + 65*z^9 - 288*y*z^9 + 464*y^2*z^9 - 308*y^3*z^9 + 79*y^4*z^9 - 13*z^10 + 39*y*z^10 - 39*y^2*z^10 + 13*y^3*z^10))/(6*(-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)^2* (y + z)^3) + (Pi^2*(y^2 - 4*y^3 + 5*y^4 - 2*y^5 - 3*y^2*z + 5*y^3*z - 2*y^5*z + y*z^2 + 8*y^2*z^2 - 30*y^3*z^2 + 35*y^4*z^2 - 16*y^5*z^2 - 4*z^3 + 9*y*z^3 - 32*y^2*z^3 + 76*y^3*z^3 - 50*y^4*z^3 + 4*y^5*z^3 + 20*z^4 - 46*y*z^4 + 63*y^2*z^4 - 62*y^3*z^4 + 10*y^4*z^4 - 40*z^5 + 74*y*z^5 - 53*y^2*z^5 + 15*y^3*z^5 + 40*z^6 - 51*y*z^6 + 16*y^2*z^6 - 20*z^7 + 13*y*z^7 + 4*z^8)*G[1, z])/(6*y^2*(-1 + z)*z^2*(-1 + y + z)^2) + (((-2*I)*Pi*(-1 + y + z)*(-y^2 + 5*y*z + 2*y^2*z + 2*z^2 - 2*z^3))/ (y*z*(y + z)) - ((-1 + y + z)*(13*y^2 - 21*y^3 + 8*y^4 - 24*y*z + 7*y^2*z + 21*y^3*z - 15*z^2 + 21*y*z^2 - 2*y^2*z^2 + 15*z^3 - 15*y*z^3))/((-1 + y)*y*z*(y + z)) - (Pi^2*(-y^2 + 9*y^3 - 33*y^4 + 65*y^5 - 75*y^6 + 51*y^7 - 19*y^8 + 3*y^9 + y*z - 2*y^2*z - 24*y^3*z + 122*y^4*z - 250*y^5*z + 274*y^6*z - 168*y^7*z + 54*y^8*z - 7*y^9*z + 2*z^2 - 15*y*z^2 + 34*y^2*z^2 + 35*y^3*z^2 - 296*y^4*z^2 + 571*y^5*z^2 - 542*y^6*z^2 + 269*y^7*z^2 - 62*y^8*z^2 + 4*y^9*z^2 - 6*z^3 + 28*y*z^3 - 28*y^2*z^3 - 122*y^3*z^3 + 437*y^4*z^3 - 608*y^5*z^3 + 422*y^6*z^3 - 138*y^7*z^3 + 15*y^8*z^3 + 30*y*z^4 - 151*y^2*z^4 + 316*y^3*z^4 - 380*y^4*z^4 + 288*y^5*z^4 - 125*y^6*z^4 + 22*y^7*z^4 + 20*z^5 - 135*y*z^5 + 344*y^2*z^5 - 386*y^3*z^5 + 210*y^4*z^5 - 63*y^5*z^5 + 10*y^6*z^5 - 30*z^6 + 149*y*z^6 - 286*y^2*z^6 + 222*y^3*z^6 - 72*y^4*z^6 + 9*y^5*z^6 + 18*z^7 - 70*y*z^7 + 102*y^2*z^7 - 54*y^3*z^7 + 12*y^4*z^7 - 4*z^8 + 12*y*z^8 - 12*y^2*z^8 + 4*y^3*z^8))/(6*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)^2))* G[1 - y, z] + (((-2*I)*Pi*(2*y^3 - 10*y^4 + 18*y^5 - 14*y^6 + 4*y^7 + 2*y^2*z - 11*y^3*z + 22*y^4*z - 19*y^5*z + 6*y^6*z - 7*y^2*z^2 + 14*y^3*z^2 - 7*y^4*z^2 + 2*z^3 - 10*y*z^3 + 16*y^2*z^3 - 6*y^3*z^3 + 2*y^4*z^3 - 4*z^4 + 14*y*z^4 - 12*y^2*z^4 + 6*y^3*z^4 + 2*z^5 - 4*y*z^5 + 2*y^2*z^5))/ ((-1 + y)^2*y^2*z^2) - (9*y^3 - 45*y^4 + 81*y^5 - 63*y^6 + 18*y^7 + 21*y^2*z - 93*y^3*z + 150*y^4*z - 105*y^5*z + 27*y^6*z - y*z^2 - 63*y^2*z^2 + 140*y^3*z^2 - 90*y^4*z^2 + 14*y^5*z^2 + 9*z^3 - 35*y*z^3 + 54*y^2*z^3 - 14*y^3*z^3 + 14*y^4*z^3 - 18*z^4 + 54*y*z^4 - 26*y^2*z^4 + 18*y^3*z^4 + 9*z^5 - 18*y*z^5 + 9*y^2*z^5)/((-1 + y)^2*y^2*z^2) + (Pi^2*(3*y^6 - 8*y^7 + 7*y^8 - 2*y^9 - 6*y^5*z + 28*y^6*z - 37*y^7*z + 13*y^8*z + 2*y^9*z - 37*y^4*z^2 + 194*y^5*z^2 - 318*y^6*z^2 + 177*y^7*z^2 - 14*y^8*z^2 - 43*y^3*z^3 + 309*y^4*z^3 - 697*y^5*z^3 + 549*y^6*z^3 - 102*y^7*z^3 - 44*y^2*z^4 + 245*y^3*z^4 - 655*y^4*z^4 + 703*y^5*z^4 - 204*y^6*z^4 - 19*y*z^5 + 133*y^2*z^5 - 267*y^3*z^5 + 313*y^4*z^5 - 128*y^5*z^5 - 6*z^6 + 61*y*z^6 - 68*y^2*z^6 - 97*y^3*z^6 + 86*y^4*z^6 + 22*z^7 - 63*y*z^7 - 93*y^2*z^7 + 162*y^3*z^7 - 30*z^8 + 19*y*z^8 + 72*y^2*z^8 + 18*z^9 + 2*y*z^9 - 4*z^10))/(6*y^2*z^2*(-1 + y + z)^2*(y + z)^3))* G[-y, z] + (((-2*I)*Pi*z*(-1 + 3*y + z)*(-2 + y + 2*z))/y^2 - (z*(-17 + 81*y - 151*y^2 + 137*y^3 - 60*y^4 + 10*y^5 + 51*z - 196*y*z + 271*y^2*z - 170*y^3*z + 44*y^4*z - 51*z^2 + 149*y*z^2 - 137*y^2*z^2 + 47*y^3*z^2 + 17*z^3 - 34*y*z^3 + 17*y^2*z^3))/((-1 + y)^2*y^2*(-1 + y + z)))*G[0, 0, z] + (((-2*I)*Pi*(1 + 2*y - z)*z*(-2 + y + 2*z))/y^2 + (2*y^2 - 6*y^3 + 6*y^4 - 2*y^5 - 6*y^2*z + 14*y^3*z - 10*y^4*z + 2*y^5*z + 9*z^2 - 18*y*z^2 + 10*y^2*z^2 + 2*y^3*z^2 - 3*y^4*z^2 - 18*z^3 + 36*y*z^3 - 26*y^2*z^3 + 9*z^4 - 18*y*z^4 + 9*y^2*z^4)/((-1 + y)^2*y^2*z))*G[0, 1 - y, z] + (((2*I)*Pi*(3*y^2 - 15*y^3 + 27*y^4 - 21*y^5 + 6*y^6 - 11*y^2*z + 49*y^3*z - 81*y^4*z + 59*y^5*z - 16*y^6*z + 2*z^2 - 12*y*z^2 + 37*y^2*z^2 - 68*y^3*z^2 + 67*y^4*z^2 - 32*y^5*z^2 + 6*y^6*z^2 - 6*z^3 + 30*y*z^3 - 59*y^2*z^3 + 66*y^3*z^3 - 33*y^4*z^3 + 6*y^5*z^3 + 6*z^4 - 24*y*z^4 + 36*y^2*z^4 - 30*y^3*z^4 + 8*y^4*z^4 - 2*z^5 + 6*y*z^5 - 6*y^2*z^5 + 2*y^3*z^5))/ ((-1 + y)^3*y^2*(-1 + z)*z) - (4*y^3 - 24*y^4 + 56*y^5 - 64*y^6 + 36*y^7 - 8*y^8 - y^2*z - 9*y^3*z + 57*y^4*z - 115*y^5*z + 108*y^6*z - 48*y^7*z + 8*y^8*z + 4*y*z^2 - 5*y^2*z^2 - 16*y^3*z^2 + 25*y^4*z^2 + 10*y^5*z^2 - 30*y^6*z^2 + 12*y^7*z^2 - 17*z^3 + 61*y*z^3 - 98*y^2*z^3 + 124*y^3*z^3 - 114*y^4*z^3 + 54*y^5*z^3 - 10*y^6*z^3 + 51*z^4 - 185*y*z^4 + 262*y^2*z^4 - 223*y^3*z^4 + 100*y^4*z^4 - 17*y^5*z^4 - 51*z^5 + 171*y*z^5 - 209*y^2*z^5 + 133*y^3*z^5 - 32*y^4*z^5 + 17*z^6 - 51*y*z^6 + 51*y^2*z^6 - 17*y^3*z^6)/((-1 + y)^3*y^2*(-1 + z)*z^2))* G[0, -y, z] + (((-4*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((-1 + z)*z*(13 - 31*y + 22*y^2 - 26*z + 31*y*z + 13*z^2))/ (y^2*(-1 + y + z)))*G[1, 0, z] + (((-2*I)*Pi*(1 + 2*y - z)*z*(-2 + y + 2*z))/y^2 + (2*y^2 - 6*y^3 + 6*y^4 - 2*y^5 - 6*y^2*z + 14*y^3*z - 10*y^4*z + 2*y^5*z + 9*z^2 - 18*y*z^2 + 10*y^2*z^2 + 2*y^3*z^2 - 3*y^4*z^2 - 18*z^3 + 36*y*z^3 - 26*y^2*z^3 + 9*z^4 - 18*y*z^4 + 9*y^2*z^4)/((-1 + y)^2*y^2*z))*G[1 - y, 0, z] + ((-1 + y + z)*(-3*y^2 + 11*y*z + 6*y^2*z + 6*z^2 - 6*z^3)* G[1 - y, 1 - y, z])/(y*z*(y + z)) + (((-2*I)*Pi*(3*y - 15*y^2 + 27*y^3 - 21*y^4 + 6*y^5 - 5*y*z + 20*y^2*z - 30*y^3*z + 20*y^4*z - 5*y^5*z + 5*z^2 - 14*y*z^2 + 6*y^2*z^2 + 11*y^3*z^2 - 11*y^4*z^2 + 3*y^5*z^2 - 10*z^3 + 31*y*z^3 - 24*y^2*z^3 + 7*y^3*z^3 + 5*z^4 - 15*y*z^4 + 9*y^2*z^4 - 3*y^3*z^4))/((-1 + y)^3*y*(-1 + z)*z) + (4*y^4 - 24*y^5 + 56*y^6 - 64*y^7 + 36*y^8 - 8*y^9 + 4*y^3*z - 35*y^4*z + 111*y^5*z - 171*y^6*z + 137*y^7*z - 54*y^8*z + 8*y^9*z + 8*y^2*z^2 - 44*y^3*z^2 + 118*y^4*z^2 - 189*y^5*z^2 + 178*y^6*z^2 - 89*y^7*z^2 + 18*y^8*z^2 + 10*y*z^3 - 73*y^2*z^3 + 182*y^3*z^3 - 211*y^4*z^3 + 139*y^5*z^3 - 59*y^6*z^3 + 12*y^7*z^3 + 4*z^4 - 56*y*z^4 + 201*y^2*z^4 - 287*y^3*z^4 + 167*y^4*z^4 - 45*y^5*z^4 + 4*y^6*z^4 - 12*z^5 + 94*y*z^5 - 218*y^2*z^5 + 189*y^3*z^5 - 61*y^4*z^5 + 8*y^5*z^5 + 12*z^6 - 60*y*z^6 + 94*y^2*z^6 - 44*y^3*z^6 + 10*y^4*z^6 - 4*z^7 + 12*y*z^7 - 12*y^2*z^7 + 4*y^3*z^7)/((-1 + y)^3*y^2*(-1 + z)*z^2* (y + z)))*G[1 - y, -y, z] + (((2*I)*Pi*(-1 + z)*(-y - 2*z + 2*y*z + 2*z^2))/y^2 + ((-1 + y + z)*(-2*y^2 - 2*y*z + 2*y^2*z - 13*z^2 - 3*y*z^2 + 13*z^3))/(y^2*z))*G[-y, 0, z] + (((2*I)*Pi*(y^3 - y^4 - 2*y^2*z + 2*y^3*z + 2*y^4*z + 4*y^2*z^2 - 3*y^3*z^2 - 2*z^3 - 3*y*z^3 + 4*z^4 + 3*y*z^4 - 2*z^5))/ (y^2*z^2) + (10*y^4 - 38*y^5 + 54*y^6 - 34*y^7 + 8*y^8 + 12*y^3*z - 67*y^4*z + 127*y^5*z - 101*y^6*z + 29*y^7*z + 2*y^2*z^2 - 38*y^3*z^2 + 95*y^4*z^2 - 84*y^5*z^2 + 25*y^6*z^2 - 7*y*z^3 - 3*y^2*z^3 + 37*y^3*z^3 - 29*y^4*z^3 + 10*y^5*z^3 - 9*z^4 + 28*y*z^4 - 17*y^2*z^4 + 2*y^3*z^4 + 12*y^4*z^4 + 18*z^5 - 39*y*z^5 + 32*y^2*z^5 - 3*y^3*z^5 - 9*z^6 + 18*y*z^6 - 9*y^2*z^6)/((-1 + y)^2*y^2*z^2*(y + z)))*G[-y, 1 - y, z] + (((2*I)*Pi*(y^3 - y^4 - 2*y^3*z + 2*y^4*z - y*z^2 + y^2*z^2 + y^3*z^2 - 2*z^3 + 2*y*z^3 + 4*z^4 - y*z^4 - 2*z^5))/(y^2*z^2) + (6*y^3 - 18*y^4 + 18*y^5 - 6*y^6 - 5*y^2*z - 7*y^3*z + 42*y^4*z - 43*y^5*z + 13*y^6*z + 2*y*z^2 + 3*y^2*z^2 - 8*y^3*z^2 - y^4*z^2 + 4*y^5*z^2 - 13*z^3 + 24*y*z^3 - 5*y^2*z^3 - 6*y^3*z^3 + 4*y^4*z^3 + 26*z^4 - 52*y*z^4 + 30*y^2*z^4 - 13*z^5 + 26*y*z^5 - 13*y^2*z^5)/((-1 + y)^2*y^2*z^2))* G[-y, -y, z] + (z*(-2 + y + 2*z)*(-3 + 7*y + 3*z)*G[0, 0, 0, z])/ y^2 + (6*z*(-2 + y + 2*z)*G[0, 0, 1 - y, z])/y + ((-7*y^2 + 42*y^3 - 98*y^4 + 112*y^5 - 63*y^6 + 14*y^7 + y*z + 23*y^2*z - 138*y^3*z + 294*y^4*z - 299*y^5*z + 147*y^6*z - 28*y^7*z + 10*z^2 - 62*y*z^2 + 114*y^2*z^2 - 24*y^3*z^2 - 156*y^4*z^2 + 188*y^5*z^2 - 80*y^6*z^2 + 10*y^7*z^2 - 38*z^3 + 200*y*z^3 - 396*y^2*z^3 + 382*y^3*z^3 - 166*y^4*z^3 + 10*y^5*z^3 + 8*y^6*z^3 + 54*z^4 - 242*y*z^4 + 419*y^2*z^4 - 375*y^3*z^4 + 159*y^4*z^4 - 23*y^5*z^4 - 34*z^5 + 127*y*z^5 - 177*y^2*z^5 + 121*y^3*z^5 - 29*y^4*z^5 + 8*z^6 - 24*y*z^6 + 24*y^2*z^6 - 8*y^3*z^6)*G[0, 0, -y, z])/((-1 + y)^3*y^2*(-1 + z)* z*(-1 + y + z)) + (4*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, z])/y^2 + (6*z*(-2 + y + 2*z)*G[0, 1 - y, 0, z])/y + ((3 + 4*y - 3*z)*z*(-2 + y + 2*z)*G[0, 1 - y, 1 - y, z])/y^2 - ((-7*y^2 + 42*y^3 - 98*y^4 + 112*y^5 - 63*y^6 + 14*y^7 + y*z + 26*y^2*z - 157*y^3*z + 340*y^4*z - 353*y^5*z + 178*y^6*z - 35*y^7*z + 9*y*z^2 - 88*y^2*z^2 + 281*y^3*z^2 - 422*y^4*z^2 + 321*y^5*z^2 - 114*y^6*z^2 + 13*y^7*z^2 + 2*z^3 - 43*y*z^3 + 182*y^2*z^3 - 309*y^3*z^3 + 269*y^4*z^3 - 124*y^5*z^3 + 23*y^6*z^3 - 6*z^4 + 61*y*z^4 - 173*y^2*z^4 + 183*y^3*z^4 - 93*y^4*z^4 + 20*y^5*z^4 + 6*z^5 - 34*y*z^5 + 66*y^2*z^5 - 42*y^3*z^5 + 12*y^4*z^5 - 2*z^6 + 6*y*z^6 - 6*y^2*z^6 + 2*y^3*z^6)*G[0, 1 - y, -y, z])/((-1 + y)^3*y^2*(-1 + z)*z* (-1 + y + z)) - ((-1 + z)*(-2*y - 6*z + 5*y*z + 6*z^2)* G[0, -y, 0, z])/y^2 + ((y^3 - 4*y^4 + 6*y^5 - 4*y^6 + y^7 - 6*y^2*z + 27*y^3*z - 42*y^4*z + 24*y^5*z - 3*y^7*z + y*z^2 + 14*y^2*z^2 - 77*y^3*z^2 + 135*y^4*z^2 - 98*y^5*z^2 + 23*y^6*z^2 + 2*y^7*z^2 + 4*z^3 - 9*y*z^3 - 16*y^2*z^3 + 79*y^3*z^3 - 101*y^4*z^3 + 54*y^5*z^3 - 11*y^6*z^3 - 12*z^4 + 27*y*z^4 - y^2*z^4 - 57*y^3*z^4 + 45*y^4*z^4 - 10*y^5*z^4 + 12*z^5 - 31*y*z^5 + 21*y^2*z^5 + 15*y^3*z^5 - 9*y^4*z^5 - 4*z^6 + 12*y*z^6 - 12*y^2*z^6 + 4*y^3*z^6)*G[0, -y, 1 - y, z])/ ((-1 + y)^3*y^2*(-1 + z)*z^2) + ((y^3 - 4*y^4 + 6*y^5 - 4*y^6 + y^7 - 3*y^3*z + 12*y^4*z - 18*y^5*z + 12*y^6*z - 3*y^7*z + 3*y*z^2 - 10*y^2*z^2 + 9*y^3*z^2 + y^4*z^2 - 2*y^5*z^2 - 3*y^6*z^2 + 2*y^7*z^2 + 10*z^3 - 45*y*z^3 + 75*y^2*z^3 - 51*y^3*z^3 + 8*y^4*z^3 + 4*y^5*z^3 - y^6*z^3 - 30*z^4 + 111*y*z^4 - 152*y^2*z^4 + 81*y^3*z^4 - 12*y^4*z^4 - 2*y^5*z^4 + 30*z^5 - 99*y*z^5 + 117*y^2*z^5 - 51*y^3*z^5 + 7*y^4*z^5 - 10*z^6 + 30*y*z^6 - 30*y^2*z^6 + 10*y^3*z^6)*G[0, -y, -y, z])/((-1 + y)^3*y^2* (-1 + z)*z^2) - ((-1 + z)*z*(2 - 5*y + 3*y^2 + 4*y^3 - 6*z + 10*y*z - 3*y^2*z + 6*z^2 - 5*y*z^2 - 2*z^3)*G[1, 0, 0, z])/ (y^2*(-1 + y + z)^2) + ((-1 + z)*(1 + z)*(-y - 2*z + 3*y*z + 2*z^2)* G[1, 0, 1 - y, z])/(y^2*z) + ((-y^2 + 3*y^3 - 2*y^4 - y*z + 2*y^2*z - 2*y^4*z - 2*z^2 + 6*y*z^2 - 9*y^2*z^2 + 21*y^3*z^2 - 16*y^4*z^2 + 6*z^3 - 7*y*z^3 + 15*y^2*z^3 - 30*y^3*z^3 + 4*y^4*z^3 - 4*z^4 - 5*y*z^4 - 6*y^2*z^4 + 6*y^3*z^4 - 4*z^5 + 12*y*z^5 - y^2*z^5 + 6*z^6 - 5*y*z^6 - 2*z^7)*G[1, 0, -y, z])/ (y^2*(-1 + z)*z^2*(-1 + y + z)) - ((-1 + z)*z*(-1 + 2*y + z)* (4 - 5*y + 5*y^2 - 8*z + 5*y*z + 4*z^2)*G[1, 1, 0, z])/ (y^2*(-1 + y + z)^2) + ((-1 + z)*(1 + z)*(-y - 2*z + 3*y*z + 2*z^2)* G[1, 1 - y, 0, z])/(y^2*z) + ((-y^2 + 3*y^3 - 2*y^4 - y*z + 2*y^2*z - 2*y^4*z - 2*z^2 + 6*y*z^2 - 9*y^2*z^2 + 21*y^3*z^2 - 16*y^4*z^2 + 6*z^3 - 7*y*z^3 + 15*y^2*z^3 - 30*y^3*z^3 + 4*y^4*z^3 - 4*z^4 - 5*y*z^4 - 6*y^2*z^4 + 6*y^3*z^4 - 4*z^5 + 12*y*z^5 - y^2*z^5 + 6*z^6 - 5*y*z^6 - 2*z^7)*G[1, 1 - y, -y, z])/ (y^2*(-1 + z)*z^2*(-1 + y + z)) + (6*z*(-2 + y + 2*z)* G[1 - y, 0, 0, z])/y + ((3 + 4*y - 3*z)*z*(-2 + y + 2*z)* G[1 - y, 0, 1 - y, z])/y^2 - ((-y^2 + 3*y^3 - 2*y^4 - 2*y^5 + 3*y^6 - y^7 - y*z + 11*y^2*z - 36*y^3*z + 51*y^4*z - 32*y^5*z + 6*y^6*z + y^7*z - 2*z^2 + 9*y*z^2 - 35*y^2*z^2 + 102*y^3*z^2 - 156*y^4*z^2 + 113*y^5*z^2 - 31*y^6*z^2 + 8*z^3 - 37*y*z^3 + 86*y^2*z^3 - 136*y^3*z^3 + 132*y^4*z^3 - 67*y^5*z^3 + 14*y^6*z^3 - 12*z^4 + 57*y*z^4 - 109*y^2*z^4 + 123*y^3*z^4 - 63*y^4*z^4 + 12*y^5*z^4 + 8*z^5 - 34*y*z^5 + 54*y^2*z^5 - 50*y^3*z^5 + 14*y^4*z^5 - 2*z^6 + 6*y*z^6 - 6*y^2*z^6 + 2*y^3*z^6)*G[1 - y, 0, -y, z])/((-1 + y)^3*y^2*(-1 + z)*z^2) + (z*(-1 + y + z)*(-6 + y + 6*z)*G[1 - y, 1, 0, z])/y^2 + ((3 + 4*y - 3*z)*z*(-2 + y + 2*z)*G[1 - y, 1 - y, 0, z])/y^2 - ((2*y^5 - 8*y^6 + 12*y^7 - 8*y^8 + 2*y^9 + y^3*z - 6*y^4*z + 13*y^5*z - 9*y^6*z - 6*y^7*z + 11*y^8*z - 4*y^9*z - y^2*z^2 - 11*y^3*z^2 + 65*y^4*z^2 - 117*y^5*z^2 + 84*y^6*z^2 - 14*y^7*z^2 - 8*y^8*z^2 + 2*y^9*z^2 - 12*y^2*z^3 + 72*y^3*z^3 - 163*y^4*z^3 + 186*y^5*z^3 - 110*y^6*z^3 + 30*y^7*z^3 - 3*y^8*z^3 - 9*y*z^4 + 47*y^2*z^4 - 102*y^3*z^4 + 138*y^4*z^4 - 135*y^5*z^4 + 67*y^6*z^4 - 14*y^7*z^4 - 4*z^5 + 31*y*z^5 - 66*y^2*z^5 + 58*y^3*z^5 - 54*y^4*z^5 + 35*y^5*z^5 - 8*y^6*z^5 + 12*z^6 - 47*y*z^6 + 59*y^2*z^6 - 33*y^3*z^6 + 17*y^4*z^6 - 12*z^7 + 37*y*z^7 - 39*y^2*z^7 + 27*y^3*z^7 - 5*y^4*z^7 + 4*z^8 - 12*y*z^8 + 12*y^2*z^8 - 4*y^3*z^8)*G[1 - y, 1 - y, -y, z])/ ((-1 + y)^3*y^2*(-1 + z)*z^2*(y + z)^2) - (2*(-1 + z)*(-y - 2*z + 2*y*z + 2*z^2)*G[1 - y, -y, 0, z])/y^2 - ((-y^4 + 6*y^5 - 14*y^6 + 16*y^7 - 9*y^8 + 2*y^9 - 2*y^3*z + 7*y^4*z - 8*y^5*z + 8*y^6*z - 16*y^7*z + 17*y^8*z - 6*y^9*z + 4*y^2*z^2 - 22*y^3*z^2 + 60*y^4*z^2 - 80*y^5*z^2 + 36*y^6*z^2 + 18*y^7*z^2 - 20*y^8*z^2 + 4*y^9*z^2 + 5*y*z^3 - 39*y^2*z^3 + 109*y^3*z^3 - 147*y^4*z^3 + 104*y^5*z^3 - 30*y^6*z^3 - 6*y^7*z^3 + 4*y^8*z^3 + 2*z^4 - 30*y*z^4 + 100*y^2*z^4 - 134*y^3*z^4 + 86*y^4*z^4 - 44*y^5*z^4 + 16*y^6*z^4 - 4*y^7*z^4 - 10*z^5 + 63*y*z^5 - 117*y^2*z^5 + 71*y^3*z^5 - 17*y^4*z^5 + 2*y^5*z^5 + 18*z^6 - 68*y*z^6 + 82*y^2*z^6 - 36*y^3*z^6 + 8*y^4*z^6 + 4*y^5*z^6 - 14*z^7 + 42*y*z^7 - 42*y^2*z^7 + 26*y^3*z^7 - 4*y^4*z^7 + 4*z^8 - 12*y*z^8 + 12*y^2*z^8 - 4*y^3*z^8)*G[1 - y, -y, 1 - y, z])/((-1 + y)^3*y^2*(-1 + z)*z^2* (y + z)^2) - ((3*y^3 - 12*y^4 + 18*y^5 - 12*y^6 + 3*y^7 - 9*y^3*z + 36*y^4*z - 54*y^5*z + 36*y^6*z - 9*y^7*z - 2*y*z^2 + 4*y^2*z^2 + 16*y^3*z^2 - 58*y^4*z^2 + 68*y^5*z^2 - 34*y^6*z^2 + 6*y^7*z^2 - 6*z^3 + 26*y*z^3 - 39*y^2*z^3 + 18*y^3*z^3 + 15*y^4*z^3 - 20*y^5*z^3 + 6*y^6*z^3 + 18*z^4 - 64*y*z^4 + 83*y^2*z^4 - 54*y^3*z^4 + 13*y^4*z^4 - 18*z^5 + 58*y*z^5 - 66*y^2*z^5 + 36*y^3*z^5 - 6*y^4*z^5 + 6*z^6 - 18*y*z^6 + 18*y^2*z^6 - 6*y^3*z^6)*G[1 - y, -y, -y, z])/ ((-1 + y)^3*y^2*(-1 + z)*z^2) + ((-2*y - 4*z + 5*y*z + y^2*z + 6*z^2 - y*z^2 - 2*z^3)* G[-y, 0, 0, z])/y^2 - ((2*y^3 - 2*y^4 - 7*y^3*z + 2*y^4*z + 2*y*z^2 + y^3*z^2 + 2*z^3 - 5*y*z^3 - 4*z^4 + 3*y*z^4 + 2*z^5)* G[-y, 0, 1 - y, z])/(y^2*z^2) - ((-y^4 - 4*y^3*z + 2*y^4*z - 3*y*z^2 + 3*y^2*z^2 + 2*y^3*z^2 - 8*z^3 + 11*y*z^3 + 14*z^4 - 6*y*z^4 - 6*z^5)*G[-y, 0, -y, z])/ (y^2*z^2) - ((2*y^3 - 2*y^4 - 7*y^3*z + 2*y^4*z + 2*y*z^2 + y^3*z^2 + 2*z^3 - 5*y*z^3 - 4*z^4 + 3*y*z^4 + 2*z^5)* G[-y, 1 - y, 0, z])/(y^2*z^2) - ((3*y^3 - 3*y^4 - 4*y^2*z + 2*y^3*z + 6*y^4*z + 8*y^2*z^2 - 5*y^3*z^2 - 6*z^3 - 5*y*z^3 + 12*z^4 + 5*y*z^4 - 6*z^5)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2) - ((-y^3 + y^3*z + 2*y^4*z - y*z^2 - 7*y^2*z^2 + 5*y^3*z^2 + 2*z^3 + 2*y^2*z^3 - 2*z^4 - y*z^4)*G[-y, 1 - y, -y, z])/(y^2*z^2) - ((2*y^3 - 2*y^4 - 7*y^3*z + 2*y^4*z - y*z^2 + y^3*z^2 - 4*z^3 + 4*y*z^3 + 8*z^4 - 3*y*z^4 - 4*z^5)*G[-y, -y, 0, z])/(y^2*z^2) - ((-y^3 + y^4 + 5*y^3*z - y*z^2 - 3*y^2*z^2 + 2*z^3 - 3*y*z^3 + 2*y^2*z^3 - 4*z^4 + 4*y*z^4 + 2*z^5)*G[-y, -y, 1 - y, z])/ (y^2*z^2) + ((4*y^3 - 5*y^4 - 15*y^3*z + 8*y^4*z - 2*y*z^2 + 2*y^2*z^2 + 8*y^3*z^2 - 8*z^3 + 12*y*z^3 - 2*y^2*z^3 + 18*z^4 - 12*y*z^4 - 10*z^5)*G[-y, -y, -y, z])/(y^2*z^2) - ((-30*y^3 + 164*y^4 - 370*y^5 + 470*y^6 - 440*y^7 + 400*y^8 - 314*y^9 + 150*y^10 - 30*y^11 - 60*y^2*z + 454*y^3*z - 1336*y^4*z + 2084*y^5*z - 2112*y^6*z + 1808*y^7*z - 1416*y^8*z + 764*y^9*z - 196*y^10*z + 10*y^11*z - 42*y*z^2 + 482*y^2*z^2 - 1882*y^3*z^2 + 3554*y^4*z^2 - 3802*y^5*z^2 + 2921*y^6*z^2 - 2197*y^7*z^2 + 1369*y^8*z^2 - 449*y^9*z^2 + 46*y^10*z^2 - 12*z^3 + 254*y*z^3 - 1388*y^2*z^3 + 3158*y^3*z^3 - 3256*y^4*z^3 + 1351*y^5*z^3 - 327*y^6*z^3 + 470*y^7*z^3 - 309*y^8*z^3 + 59*y^9*z^3 + 54*z^4 - 540*y*z^4 + 1588*y^2*z^4 - 1298*y^3*z^4 - 1583*y^4*z^4 + 3387*y^5*z^4 - 2053*y^6*z^4 + 517*y^7*z^4 - 44*y^8*z^4 - 84*z^5 + 406*y*z^5 - 44*y^2*z^5 - 2567*y^3*z^5 + 5075*y^4*z^5 - 3905*y^5*z^5 + 1393*y^6*z^5 - 218*y^7*z^5 + 36*z^6 + 148*y*z^6 - 1504*y^2*z^6 + 3542*y^3*z^6 - 3412*y^4*z^6 + 1482*y^5*z^6 - 292*y^6*z^6 + 36*z^7 - 408*y*z^7 + 1292*y^2*z^7 - 1641*y^3*z^7 + 872*y^4*z^7 - 207*y^5*z^7 - 42*z^8 + 218*y*z^8 - 402*y^2*z^8 + 276*y^3*z^8 - 78*y^4*z^8 + 12*z^9 - 36*y*z^9 + 36*y^2*z^9 - 12*y^3*z^9)*Zeta[3])/((-1 + y)^3*y^2*(-1 + z)* (-1 + y + z)^2*(y + z)^3)) + G[1 - y, z]* (((4*I)*Pi*(-1 + y + z)*(y^2 - 3*y^3 + 2*y^4 - 3*y*z + 2*y^2*z + 2*y^3*z + z^2 - y*z^2 + y^2*z^2 - z^3 + y*z^3))/ ((-1 + y)*y*z*(y + z)) + ((-1 + y + z)*(13*y^2 - 39*y^3 + 26*y^4 - 7*y*z - 3*y^2*z + 28*y^3*z + 13*z^2 - 10*y*z^2 + 15*y^2*z^2 - 13*z^3 + 13*y*z^3))/((-1 + y)*y*z*(y + z)) - ((I/3)*Pi^3*(-y^6 + 5*y^7 - 10*y^8 + 10*y^9 - 5*y^10 + y^11 - 4*y^5*z + 25*y^6*z - 63*y^7*z + 82*y^8*z - 58*y^9*z + 21*y^10*z - 3*y^11*z - 5*y^4*z^2 + 42*y^5*z^2 - 131*y^6*z^2 + 206*y^7*z^2 - 179*y^8*z^2 + 86*y^9*z^2 - 21*y^10*z^2 + 2*y^11*z^2 + 3*y^3*z^3 + 3*y^4*z^3 - 61*y^5*z^3 + 167*y^6*z^3 - 217*y^7*z^3 + 153*y^8*z^3 - 57*y^9*z^3 + 9*y^10*z^3 + 6*y^2*z^4 - 45*y^3*z^4 + 123*y^4*z^4 - 138*y^5*z^4 + 12*y^6*z^4 + 100*y^7*z^4 - 77*y^8*z^4 + 19*y^9*z^4 + 7*y*z^5 - 64*y^2*z^5 + 238*y^3*z^5 - 440*y^4*z^5 + 384*y^5*z^5 - 109*y^6*z^5 - 31*y^7*z^5 + 19*y^8*z^5 + 2*z^6 - 38*y*z^6 + 198*y^2*z^6 - 482*y^3*z^6 + 588*y^4*z^6 - 328*y^5*z^6 + 68*y^6*z^6 - 8*z^7 + 78*y*z^7 - 273*y^2*z^7 + 454*y^3*z^7 - 356*y^4*z^7 + 124*y^5*z^7 - 19*y^6*z^7 + 12*z^8 - 76*y*z^8 + 184*y^2*z^8 - 201*y^3*z^8 + 92*y^4*z^8 - 19*y^5*z^8 - 8*z^9 + 35*y*z^9 - 57*y^2*z^9 + 35*y^3*z^9 - 9*y^4*z^9 + 2*z^10 - 6*y*z^10 + 6*y^2*z^10 - 2*y^3*z^10))/((-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)* (y + z)^3) - (Pi^2*(6*y^6 - 36*y^7 + 90*y^8 - 120*y^9 + 90*y^10 - 36*y^11 + 6*y^12 + 18*y^5*z - 148*y^6*z + 489*y^7*z - 855*y^8*z + 860*y^9*z - 498*y^10*z + 153*y^11*z - 19*y^12*z - 17*y^4*z^2 - 15*y^5*z^2 + 480*y^6*z^2 - 1570*y^7*z^2 + 2388*y^8*z^2 - 1975*y^9*z^2 + 888*y^10*z^2 - 192*y^11*z^2 + 13*y^12*z^2 - 96*y^3*z^3 + 614*y^4*z^3 - 1334*y^5*z^3 + 720*y^6*z^3 + 1605*y^7*z^3 - 3068*y^8*z^3 + 2178*y^9*z^3 - 698*y^10*z^3 + 79*y^11*z^3 - 91*y^2*z^4 + 981*y^3*z^4 - 3638*y^4*z^4 + 6164*y^5*z^4 - 4461*y^6*z^4 - 212*y^7*z^4 + 2310*y^8*z^4 - 1271*y^9*z^4 + 218*y^10*z^4 - 49*y*z^5 + 751*y^2*z^5 - 3944*y^3*z^5 + 9622*y^4*z^5 - 11822*y^5*z^5 + 6641*y^6*z^5 - 464*y^7*z^5 - 1051*y^8*z^5 + 316*y^9*z^5 - 13*z^6 + 328*y*z^6 - 2452*y^2*z^6 + 8130*y^3*z^6 - 13698*y^4*z^6 + 11872*y^5*z^6 - 4651*y^6*z^6 + 310*y^7*z^6 + 186*y^8*z^6 + 65*z^7 - 861*y*z^7 + 4107*y^2*z^7 - 9359*y^3*z^7 + 11003*y^4*z^7 - 6508*y^5*z^7 + 1687*y^6*z^7 - 110*y^7*z^7 - 130*z^8 + 1144*y*z^8 - 3793*y^2*z^8 + 6057*y^3*z^8 - 4833*y^4*z^8 + 1829*y^5*z^8 - 274*y^6*z^8 + 130*z^9 - 811*y*z^9 + 1903*y^2*z^9 - 2064*y^3*z^9 + 1026*y^4*z^9 - 208*y^5*z^9 - 65*z^10 + 288*y*z^10 - 464*y^2*z^10 + 308*y^3*z^10 - 79*y^4*z^10 + 13*z^11 - 39*y*z^11 + 39*y^2*z^11 - 13*y^3*z^11))/(6*(-1 + y)^3*y^2*(-1 + z)*z^2* (-1 + y + z)^2*(y + z)^3) + (((2*I)*Pi*(y - y^2 + 3*z - 8*y*z + 2*y^2*z - 6*z^2 + 7*y*z^2 + 3*z^3))/z^2 - (2*y + 4*y^2 - 14*y^3 + 8*y^4 - 2*z - 2*y*z - 7*y^2*z + 11*y^3*z + 18*y*z^2 - 7*y^2*z^2 + 6*z^3 - 18*y*z^3 - 4*z^4)/(z^2*(-1 + y + z)))*G[0, 0, y] + (((-2*I)*Pi*(y^2 - 4*y^3 + 6*y^4 - 4*y^5 + y^6 + y*z - 8*y^2*z + 21*y^3*z - 25*y^4*z + 14*y^5*z - 3*y^6*z + y*z^2 - 3*y^2*z^2 + y^3*z^2 + 5*y^4*z^2 - 6*y^5*z^2 + 2*y^6*z^2 + 5*z^3 - 20*y*z^3 + 27*y^2*z^3 - 16*y^3*z^3 + 4*y^4*z^3 - 10*z^4 + 33*y*z^4 - 30*y^2*z^4 + 13*y^3*z^4 - 2*y^4*z^4 + 5*z^5 - 15*y*z^5 + 9*y^2*z^5 - 3*y^3*z^5))/((-1 + y)^3*y*(-1 + z)* z^2) - (6*y^4 - 24*y^5 + 36*y^6 - 24*y^7 + 6*y^8 + 9*y^3*z - 60*y^4*z + 143*y^5*z - 159*y^6*z + 84*y^7*z - 17*y^8*z - y^2*z^2 - 24*y^3*z^2 + 119*y^4*z^2 - 213*y^5*z^2 + 181*y^6*z^2 - 73*y^7*z^2 + 11*y^8*z^2 - 6*y*z^3 + 40*y^2*z^3 - 62*y^3*z^3 - 20*y^4*z^3 + 104*y^5*z^3 - 73*y^6*z^3 + 17*y^7*z^3 - 4*z^4 + 44*y*z^4 - 144*y^2*z^4 + 177*y^3*z^4 - 59*y^4*z^4 - 9*y^5*z^4 + 7*y^6*z^4 + 12*z^5 - 82*y*z^5 + 175*y^2*z^5 - 132*y^3*z^5 + 28*y^4*z^5 - y^5*z^5 - 12*z^6 + 56*y*z^6 - 82*y^2*z^6 + 32*y^3*z^6 - 6*y^4*z^6 + 4*z^7 - 12*y*z^7 + 12*y^2*z^7 - 4*y^3*z^7)/((-1 + y)^3*y^2*(-1 + z)*z^2*(y + z)))*G[0, 1, y] + (((-2*I)*Pi*(-2*y^3 + 8*y^4 - 5*y^5 + 2*y*z - 9*y^2*z + 31*y^3*z - 22*y^4*z + y^5*z - 2*z^2 - 8*y*z^2 + 48*y^2*z^2 - 45*y^3*z^2 + 2*y^4*z^2 + 3*z^3 + 29*y*z^3 - 53*y^2*z^3 + 4*y^3*z^3 + 4*z^4 - 34*y*z^4 + 10*y^2*z^4 - 9*z^5 + 11*y*z^5 + 4*z^6))/ ((-1 + z)*(-1 + y + z)*(y + z)^3) + (2*y^4 - 2*y^5 - 4*y^6 + 6*y^7 - 2*y^8 + 9*y^3*z - 31*y^4*z + 27*y^5*z + 3*y^6*z - 10*y^7*z + 2*y^8*z + 25*y^2*z^2 - 121*y^3*z^2 + 195*y^4*z^2 - 107*y^5*z^2 - 4*y^6*z^2 + 8*y^7*z^2 + 10*y*z^3 - 162*y^2*z^3 + 446*y^3*z^3 - 416*y^4*z^3 + 89*y^5*z^3 + 17*y^6*z^3 + 4*z^4 - 78*y*z^4 + 451*y^2*z^4 - 708*y^3*z^4 + 314*y^4*z^4 + 5*y^5*z^4 - 20*z^5 + 209*y*z^5 - 615*y^2*z^5 + 496*y^3*z^5 - 60*y^4*z^5 + 40*z^6 - 259*y*z^6 + 400*y^2*z^6 - 122*y^3*z^6 - 40*z^7 + 153*y*z^7 - 99*y^2*z^7 + 20*z^8 - 35*y*z^8 - 4*z^9)/ (y*(-1 + z)*z*(-1 + y + z)^2*(y + z)^3))*G[1, 0, y] + ((-1 + y + z)*(-3*y^2 + 11*y*z + 6*y^2*z + 6*z^2 - 6*z^3)* G[1, 1, y])/(y*z*(y + z)) - ((3*y - 3*y^2 + 7*z - 20*y*z + 6*y^2*z - 14*z^2 + 17*y*z^2 + 7*z^3)*G[0, 0, 0, y])/z^2 + ((-y^2 + 4*y^3 - 6*y^4 + 4*y^5 - y^6 - y*z + 5*y^2*z - 9*y^3*z + 9*y^4*z - 8*y^5*z + 6*y^6*z - 2*y^7*z - 2*z^2 + 9*y*z^2 - 15*y^2*z^2 + 18*y^3*z^2 - 26*y^4*z^2 + 27*y^5*z^2 - 13*y^6*z^2 + 2*y^7*z^2 + 10*z^3 - 43*y*z^3 + 71*y^2*z^3 - 68*y^3*z^3 + 43*y^4*z^3 - 17*y^5*z^3 + 4*y^6*z^3 - 18*z^4 + 75*y*z^4 - 120*y^2*z^4 + 117*y^3*z^4 - 48*y^4*z^4 + 6*y^5*z^4 + 14*z^5 - 52*y*z^5 + 72*y^2*z^5 - 62*y^3*z^5 + 16*y^4*z^5 - 4*z^6 + 12*y*z^6 - 12*y^2*z^6 + 4*y^3*z^6)*G[0, 0, 1, y])/ ((-1 + y)^3*y^2*(-1 + z)*z^2) - ((-y^4 + y^5 + y^6 - y^7 - 3*y^3*z + 8*y^4*z - 2*y^5*z - 4*y^6*z + y^7*z - 3*y^2*z^2 + 17*y^3*z^2 - 23*y^4*z^2 + 12*y^5*z^2 - 7*y^6*z^2 - y*z^3 + 9*y^2*z^3 - 38*y^3*z^3 + 56*y^4*z^3 - 49*y^5*z^3 + 2*y^6*z^3 + 6*y*z^4 - 25*y^2*z^4 + 62*y^3*z^4 - 87*y^4*z^4 + 14*y^5*z^4 - z^5 - 12*y*z^5 + 27*y^2*z^5 - 51*y^3*z^5 + 23*y^4*z^5 + 3*z^6 + 3*y*z^6 + 5*y^2*z^6 + 5*y^3*z^6 - 3*z^7 + 11*y*z^7 - 13*y^2*z^7 + z^8 - 7*y*z^8)* G[0, 1, 0, y])/(y*(-1 + z)*z^2*(-1 + y + z)*(y + z)^3) + ((y^4 - 3*y^5 + 2*y^6 + 2*y^7 - 3*y^8 + y^9 + 2*y^3*z - 5*y^4*z - 5*y^5*z + 28*y^6*z - 34*y^7*z + 17*y^8*z - 3*y^9*z - 4*y^2*z^2 + 17*y^3*z^2 - 38*y^4*z^2 + 55*y^5*z^2 - 49*y^6*z^2 + 26*y^7*z^2 - 9*y^8*z^2 + 2*y^9*z^2 - 5*y*z^3 + 35*y^2*z^3 - 74*y^3*z^3 + 49*y^4*z^3 + 13*y^5*z^3 - 23*y^6*z^3 + 2*y^7*z^3 + 3*y^8*z^3 - 2*z^4 + 30*y*z^4 - 88*y^2*z^4 + 67*y^3*z^4 + 51*y^4*z^4 - 85*y^5*z^4 + 39*y^6*z^4 - 4*y^7*z^4 + 10*z^5 - 63*y*z^5 + 105*y^2*z^5 - 22*y^3*z^5 - 58*y^4*z^5 + 49*y^5*z^5 - 13*y^6*z^5 - 18*z^6 + 68*y*z^6 - 78*y^2*z^6 + 24*y^3*z^6 + 4*y^4*z^6 - 8*y^5*z^6 + 14*z^7 - 42*y*z^7 + 42*y^2*z^7 - 26*y^3*z^7 + 4*y^4*z^7 - 4*z^8 + 12*y*z^8 - 12*y^2*z^8 + 4*y^3*z^8)* G[0, 1, 1, y])/((-1 + y)^3*y^2*(-1 + z)*z^2*(y + z)^2) + ((-2*y^4 + 6*y^5 - 6*y^6 + 2*y^7 - 3*y^3*z + 19*y^4*z - 33*y^5*z + 21*y^6*z - 4*y^7*z + 3*y^2*z^2 + 14*y^3*z^2 - 79*y^4*z^2 + 98*y^5*z^2 - 38*y^6*z^2 + 2*y^7*z^2 + 3*y*z^3 - 2*y^2*z^3 - 110*y^3*z^3 + 233*y^4*z^3 - 137*y^5*z^3 + 15*y^6*z^3 + 7*z^4 - 16*y*z^4 - 94*y^2*z^4 + 326*y^3*z^4 - 261*y^4*z^4 + 42*y^5*z^4 - 21*z^5 - 25*y*z^5 + 275*y^2*z^5 - 311*y^3*z^5 + 66*y^4*z^5 + 11*z^6 + 126*y*z^6 - 251*y^2*z^6 + 76*y^3*z^6 + 23*z^7 - 128*y*z^7 + 69*y^2*z^7 - 30*z^8 + 40*y*z^8 + 10*z^9)* G[1, 0, 0, y])/((-1 + z)*z^2*(-1 + y + z)^2*(y + z)^3) - ((2*y^5 - 8*y^6 + 12*y^7 - 8*y^8 + 2*y^9 + y^3*z + y^4*z - 22*y^5*z + 54*y^6*z - 55*y^7*z + 25*y^8*z - 4*y^9*z - y^2*z^2 + 3*y^3*z^2 - 24*y^4*z^2 + 92*y^5*z^2 - 149*y^6*z^2 + 111*y^7*z^2 - 34*y^8*z^2 + 2*y^9*z^2 - 5*y^2*z^3 - y^3*z^3 + 83*y^4*z^3 - 196*y^5*z^3 + 185*y^6*z^3 - 75*y^7*z^3 + 9*y^8*z^3 - 9*y*z^4 + 28*y^2*z^4 + 15*y^3*z^4 - 128*y^4*z^4 + 151*y^5*z^4 - 80*y^6*z^4 + 15*y^7*z^4 - 4*z^5 + 31*y*z^5 - 49*y^2*z^5 - 15*y^3*z^5 + 63*y^4*z^5 - 48*y^5*z^5 + 14*y^6*z^5 + 12*z^6 - 47*y*z^6 + 54*y^2*z^6 - 18*y^3*z^6 + 2*y^4*z^6 + 5*y^5*z^6 - 12*z^7 + 37*y*z^7 - 39*y^2*z^7 + 27*y^3*z^7 - 5*y^4*z^7 + 4*z^8 - 12*y*z^8 + 12*y^2*z^8 - 4*y^3*z^8)*G[1, 0, 1, y])/ ((-1 + y)^3*y^2*(-1 + z)*z^2*(y + z)^2) + ((y - 4*y^2 + 6*y^3 - 4*y^4 + y^5 - 3*y*z + 12*y^2*z - 18*y^3*z + 12*y^4*z - 3*y^5*z + z^2 + 7*y*z^2 - 41*y^2*z^2 + 61*y^3*z^2 - 30*y^4*z^2 + 2*y^5*z^2 - 4*z^3 - 11*y*z^3 + 69*y^2*z^3 - 68*y^3*z^3 + 10*y^4*z^3 + 6*z^4 + 6*y*z^4 - 43*y^2*z^4 + 19*y^3*z^4 - 4*z^5 + 2*y*z^5 + 7*y^2*z^5 + z^6 - 2*y*z^6)* G[1, 1, 0, y])/(y*(-1 + z)*z^2*(-1 + y + z)^2) - ((-3*y^5 + 9*y^6 - 30*y^8 + 45*y^9 - 27*y^10 + 6*y^11 - 12*y^4*z + 47*y^5*z - 21*y^6*z - 156*y^7*z + 314*y^8*z - 249*y^9*z + 87*y^10*z - 10*y^11*z + 6*y^3*z^2 - 8*y^4*z^2 + 72*y^5*z^2 - 439*y^6*z^2 + 975*y^7*z^2 - 1021*y^8*z^2 + 523*y^9*z^2 - 112*y^10*z^2 + 4*y^11*z^2 + 30*y^2*z^3 - 148*y^3*z^3 + 337*y^4*z^3 - 757*y^5*z^3 + 1571*y^6*z^3 - 1993*y^7*z^3 + 1326*y^8*z^3 - 398*y^9*z^3 + 32*y^10*z^3 + 21*y*z^4 - 153*y^2*z^4 + 355*y^3*z^4 - 510*y^4*z^4 + 954*y^5*z^4 - 1552*y^6*z^4 + 1387*y^7*z^4 - 581*y^8*z^4 + 79*y^9*z^4 + 6*z^5 - 71*y*z^5 + 140*y^2*z^5 + 176*y^3*z^5 - 721*y^4*z^5 + 714*y^5*z^5 - 203*y^6*z^5 - 113*y^7*z^5 + 52*y^8*z^5 - 12*z^6 + y*z^6 + 443*y^2*z^6 - 1580*y^3*z^6 + 2452*y^4*z^6 - 2049*y^5*z^6 + 805*y^6*z^6 - 100*y^7*z^6 - 12*z^7 + 249*y*z^7 - 1102*y^2*z^7 + 2142*y^3*z^7 - 2264*y^4*z^7 + 1217*y^5*z^7 - 230*y^6*z^7 + 48*z^8 - 358*y*z^8 + 936*y^2*z^8 - 1215*y^3*z^8 + 824*y^4*z^8 - 195*y^5*z^8 - 42*z^9 + 194*y*z^9 - 330*y^2*z^9 + 276*y^3*z^9 - 78*y^4*z^9 + 12*z^10 - 36*y*z^10 + 36*y^2*z^10 - 12*y^3*z^10)*Zeta[3])/((-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)* (y + z)^3)))/Nc + Nc*((((7*I)/30)*Pi^5*y)/(-1 + y + z) - ((-1 + 2*y + z)*(-405*y + 405*y^2 + 343*z + 405*y*z - 1496*z^2))/ (54*(-1 + y)*(y + z)) - (((2*I)/9)*Pi*(-1 + 2*y + z)* (-9*y + 9*y^2 + 25*z + 9*y*z - 68*z^2))/((-1 + y)*(y + z)) - (Pi^4*(-492*y^2 + 2460*y^3 - 4920*y^4 + 4920*y^5 - 2460*y^6 + 492*y^7 - 32*y*z + 5040*y^2*z - 17764*y^3*z + 26576*y^4*z - 21336*y^5*z + 8992*y^6*z - 1476*y^7*z + 984*z^2 - 5180*y*z^2 + 218*y^2*z^2 + 21358*y^3*z^2 - 38278*y^4*z^2 + 30886*y^5*z^2 - 11380*y^6*z^2 + 1392*y^7*z^2 - 3936*z^3 + 18684*y*z^3 - 29719*y^2*z^3 + 17076*y^3*z^3 + 8181*y^4*z^3 - 13142*y^5*z^3 + 3624*y^6*z^3 + 5904*z^4 - 24652*y*z^4 + 43916*y^2*z^4 - 36441*y^3*z^4 + 10225*y^4*z^4 + 280*y^5*z^4 - 3936*z^5 + 14132*y*z^5 - 23523*y^2*z^5 + 15855*y^3*z^5 - 3344*y^4*z^5 + 984*z^6 - 2952*y*z^6 + 4176*y^2*z^6 - 1392*y^3*z^6))/ (720*(-1 + y)^3*y*(-1 + z)*z*(-1 + y + z)^2) - (Pi^2*(-9*y^3 - 267*y^4 + 1149*y^5 - 1755*y^6 + 1176*y^7 - 294*y^8 + 66*y^3*z + 1407*y^4*z - 5028*y^5*z + 6009*y^6*z - 2892*y^7*z + 438*y^8*z + 27*y*z^2 + 2074*y^2*z^2 - 7358*y^3*z^2 + 5538*y^4*z^2 + 4583*y^5*z^2 - 6880*y^6*z^2 + 2016*y^7*z^2 + 18*z^3 + 1807*y*z^3 - 12727*y^2*z^3 + 23178*y^3*z^3 - 11504*y^4*z^3 - 3222*y^5*z^3 + 2450*y^6*z^3 + 594*z^4 - 8039*y*z^4 + 24570*y^2*z^4 - 25089*y^3*z^4 + 8116*y^4*z^4 - 680*y^5*z^4 - 1872*z^5 + 11565*y*z^5 - 19617*y^2*z^5 + 12126*y^3*z^5 - 3258*y^4*z^5 + 1890*z^6 - 6412*y*z^6 + 6122*y^2*z^6 - 2128*y^3*z^6 - 630*z^7 + 1052*y*z^7 - 422*y^2*z^7))/(72*(-1 + y)^2*y*z*(-1 + y + z)^2* (y + z)^2) - ((I/6)*Pi^3*(-7*y^4 + 28*y^5 - 42*y^6 + 28*y^7 - 7*y^8 + 3*y^3*z + 28*y^4*z - 116*y^5*z + 150*y^6*z - 79*y^7*z + 14*y^8*z + 58*y^2*z^2 - 206*y^3*z^2 + 158*y^4*z^2 + 142*y^5*z^2 - 224*y^6*z^2 + 72*y^7*z^2 + 46*y*z^3 - 328*y^2*z^3 + 597*y^3*z^3 - 251*y^4*z^3 - 166*y^5*z^3 + 102*y^6*z^3 + 14*z^4 - 196*y*z^4 + 621*y^2*z^4 - 632*y^3*z^4 + 173*y^4*z^4 + 4*y^5*z^4 - 42*z^5 + 282*y*z^5 - 507*y^2*z^5 + 329*y^3*z^5 - 94*y^4*z^5 + 42*z^6 - 160*y*z^6 + 170*y^2*z^6 - 68*y^3*z^6 - 14*z^7 + 28*y*z^7 - 14*y^2*z^7))/((-1 + y)^2*y*z*(-1 + y + z)^2*(y + z)^2) + ((-3*Pi^2*y*(-1 + y - z + 2*z^2))/(2*(-1 + y + z)^2) - (63*y - 189*y^2 + 189*y^3 - 63*y^4 - 28*z - 211*y*z + 632*y^2*z - 519*y^3*z + 126*y^4*z + 112*z^2 + 36*y*z^2 - 400*y^2*z^2 + 252*y^3*z^2 - 140*z^3 + 112*y*z^3 + 56*z^4)/(6*(-1 + y)^2*z* (-1 + y + z)))*G[0, 0, 0, y] + ((3*Pi^2*y*(-1 + z)*z)/(-1 + y + z)^2 + (21*(-1 + z)*z*(-1 + 2*y + z))/ (y*(-1 + y + z)))*G[0, 0, 0, z] + ((Pi^2*(-3*y^3 + 3*y^4 + 4*z - 12*y*z + 12*y^2*z - 11*y^3*z - 16*z^2 + 36*y*z^2 - 24*y^2*z^2 + 14*y^3*z^2 + 24*z^3 - 36*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5))/(2*y^2*(-1 + y + z)^2) - (I*Pi*(6*y^3 - 24*y^4 + 36*y^5 - 24*y^6 + 6*y^7 - 27*y^3*z + 99*y^4*z - 135*y^5*z + 81*y^6*z - 18*y^7*z + 2*z^2 + 2*y*z^2 - 26*y^2*z^2 + 51*y^3*z^2 - 77*y^4*z^2 + 87*y^5*z^2 - 43*y^6*z^2 + 4*y^7*z^2 - 8*z^3 + 64*y^2*z^3 - 51*y^3*z^3 - 7*y^4*z^3 - 8*y^5*z^3 + 10*y^6*z^3 + 12*z^4 - 12*y*z^4 - 44*y^2*z^4 + 15*y^3*z^4 + 17*y^4*z^4 - 4*y^5*z^4 - 8*z^5 + 16*y*z^5 + 8*y^3*z^5 + 2*z^6 - 6*y*z^6 + 6*y^2*z^6 - 2*y^3*z^6))/ ((-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)) - (-14*y^2 + 38*y^3 + 20*y^4 - 180*y^5 + 250*y^6 - 146*y^7 + 32*y^8 + 4*z - 40*y*z + 78*y^2*z + 491*y^3*z - 2352*y^4*z + 4114*y^5*z - 3582*y^6*z + 1555*y^7*z - 268*y^8*z - 50*z^2 + 226*y*z^2 - 94*y^2*z^2 - 1604*y^3*z^2 + 4751*y^4*z^2 - 6081*y^5*z^2 + 3841*y^6*z^2 - 1041*y^7*z^2 + 52*y^8*z^2 + 182*z^3 - 566*y*z^3 + 66*y^2*z^3 + 1634*y^3*z^3 - 2921*y^4*z^3 + 2598*y^5*z^3 - 1177*y^6*z^3 + 184*y^7*z^3 - 312*z^4 + 828*y*z^4 - 266*y^2*z^4 - 532*y^3*z^4 + 435*y^4*z^4 - 269*y^5*z^4 + 116*y^6*z^4 + 284*z^5 - 740*y*z^5 + 482*y^2*z^5 - 151*y^3*z^5 + 75*y^4*z^5 + 2*y^5*z^5 - 134*z^6 + 370*y*z^6 - 330*y^2*z^6 + 150*y^3*z^6 - 8*y^4*z^6 + 26*z^7 - 78*y*z^7 + 78*y^2*z^7 - 26*y^3*z^7)/(4*(-1 + y)^3*y^2* (-1 + z)*z*(-1 + y + z)^2))*G[0, 0, 1, y] + (Pi^2*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[0, 0, 1, z])/(y^2*(-1 + y + z)^2) + (((-2*I)*Pi*(1 + y - z)*z*(1 - y + 3*y^2 - 2*z + y*z + z^2))/ (y^2*(-1 + y + z)) - (-2 + 2*y + 20*y^2 - 50*y^3 + 42*y^4 - 12*y^5 + 21*z - 45*y*z - 3*y^2*z + 101*y^3*z - 118*y^4*z + 44*y^5*z - 43*z^2 + 74*y*z^2 + 49*y^2*z^2 - 82*y^3*z^2 + 2*y^4*z^2 + 31*z^3 - 45*y*z^3 - 35*y^2*z^3 + 17*y^3*z^3 - 7*z^4 + 14*y*z^4 - 7*y^2*z^4)/(2*(-1 + y)^2*y^2*(-1 + y + z)) - (Pi^2*(-y^3 + y^4 - 6*z + 18*y*z - 18*y^2*z - y^3*z + 24*z^2 - 54*y*z^2 + 36*y^2*z^2 + 2*y^3*z^2 - 36*z^3 + 54*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5))/(2*y^2*(-1 + y + z)^2))* G[0, 0, 1 - y, z] + (-((Pi^2*(-y^3 + y^4 + z - 3*y*z + 3*y^2*z - 2*y^3*z - 4*z^2 + 9*y*z^2 - 6*y^2*z^2 + 3*y^3*z^2 + 6*z^3 - 9*y*z^3 + 3*y^2*z^3 - 4*z^4 + 3*y*z^4 + z^5))/(y^2*(-1 + y + z)^2)) - (I*Pi*(6*y^4 - 6*y^5 + 15*y^3*z - 42*y^4*z + 18*y^5*z - 17*y^2*z^2 - 21*y^3*z^2 + 46*y^4*z^2 - 26*y^5*z^2 + 8*y^6*z^2 - 22*y*z^3 + 101*y^2*z^3 - 72*y^3*z^3 - 28*y^4*z^3 + 38*y^5*z^3 - 12*z^4 + 118*y*z^4 - 258*y^2*z^4 + 120*y^3*z^4 + 42*y^4*z^4 + 48*z^5 - 230*y*z^5 + 268*y^2*z^5 - 34*y^3*z^5 - 72*z^6 + 194*y*z^6 - 94*y^2*z^6 + 48*z^7 - 60*y*z^7 - 12*z^8))/(y*(-1 + z)*z* (-1 + y + z)*(y + z)^3) + (2*y^4 + 68*y^5 - 270*y^6 + 382*y^7 - 236*y^8 + 54*y^9 + 10*y^3*z + 132*y^4*z - 846*y^5*z + 1363*y^6*z - 405*y^7*z - 815*y^8*z + 761*y^9*z - 200*y^10*z + 18*y^2*z^2 - 200*y^3*z^2 + 392*y^4*z^2 - 1211*y^5*z^2 + 4157*y^6*z^2 - 6222*y^7*z^2 + 4123*y^8*z^2 - 1073*y^9*z^2 + 16*y^10*z^2 + 14*y*z^3 - 425*y^2*z^3 + 2719*y^3*z^3 - 8711*y^4*z^3 + 17521*y^5*z^3 - 20494*y^6*z^3 + 12384*y^7*z^3 - 3146*y^8*z^3 + 74*y^9*z^3 + 4*z^4 - 239*y*z^4 + 2723*y^2*z^4 - 12030*y^3*z^4 + 28311*y^4*z^4 - 36878*y^5*z^4 + 24776*y^6*z^4 - 7237*y^7*z^4 + 442*y^8*z^4 - 30*z^5 + 1002*y*z^5 - 7325*y^2*z^5 + 23309*y^3*z^5 - 38203*y^4*z^5 + 31871*y^5*z^5 - 12090*y^6*z^5 + 1466*y^7*z^5 + 78*z^6 - 1860*y*z^6 + 9843*y^2*z^6 - 22511*y^3*z^6 + 24885*y^4*z^6 - 12681*y^5*z^6 + 2374*y^6*z^6 - 94*z^7 + 1752*y*z^7 - 6854*y^2*z^7 + 10904*y^3*z^7 - 7616*y^4*z^7 + 1972*y^5*z^7 + 54*z^8 - 821*y*z^8 + 2288*y^2*z^8 - 2329*y^3*z^8 + 808*y^4*z^8 - 12*z^9 + 152*y*z^9 - 268*y^2*z^9 + 128*y^3*z^9)/ (4*(-1 + y)^2*y^2*(-1 + z)*z*(-1 + y + z)^2*(y + z)^3))* G[0, 1, 0, y] + ((-2*Pi^2*(-1 + z)*z*(-1 + y + z))/y^2 + (I*Pi*(-1 + 2*y + z)*(2*y^3 - 6*y^4 + 6*y^5 - 2*y^6 - 20*y^2*z + 52*y^3*z - 62*y^4*z + 48*y^5*z - 18*y^6*z - 13*y*z^2 + 53*y^2*z^2 - 94*y^3*z^2 + 120*y^4*z^2 - 72*y^5*z^2 + 6*y^6*z^2 - 7*z^3 + 32*y*z^3 - 57*y^2*z^3 + 106*y^3*z^3 - 108*y^4*z^3 + 18*y^5*z^3 + 5*z^4 - 13*y*z^4 + 30*y^2*z^4 - 72*y^3*z^4 + 18*y^4*z^4 + 2*z^5 - 6*y*z^5 - 18*y^2*z^5 + 6*y^3*z^5))/ ((-1 + y)^3*y*(-1 + y + z)*(y + z)^3) + ((-1 + 2*y + z)*(-2*y^4 + 10*y^5 - 22*y^6 + 28*y^7 - 22*y^8 + 10*y^9 - 2*y^10 - 6*y^3*z + 77*y^4*z - 260*y^5*z + 396*y^6*z - 312*y^7*z + 131*y^8*z - 30*y^9*z + 4*y^10*z - 6*y^2*z^2 + 345*y^3*z^2 - 1444*y^4*z^2 + 2603*y^5*z^2 - 2525*y^6*z^2 + 1348*y^7*z^2 - 341*y^8*z^2 + 20*y^9*z^2 - 2*y*z^3 + 386*y^2*z^3 - 2104*y^3*z^3 + 4785*y^4*z^3 - 5960*y^5*z^3 + 4175*y^6*z^3 - 1392*y^7*z^3 + 112*y^8*z^3 + 172*y*z^4 - 1356*y^2*z^4 + 4052*y^3*z^4 - 6621*y^4*z^4 + 6155*y^5*z^4 - 2730*y^6*z^4 + 328*y^7*z^4 + 16*z^5 - 414*y*z^5 + 1846*y^2*z^5 - 4070*y^3*z^5 + 5006*y^4*z^5 - 2906*y^5*z^5 + 474*y^6*z^5 - 52*z^6 + 450*y*z^6 - 1424*y^2*z^6 + 2289*y^3*z^6 - 1717*y^4*z^6 + 358*y^5*z^6 + 58*z^7 - 272*y*z^7 + 556*y^2*z^7 - 528*y^3*z^7 + 138*y^4*z^7 - 22*z^8 + 66*y*z^8 - 66*y^2*z^8 + 22*y^3*z^8))/ (4*(-1 + y)^3*y^2*z*(-1 + y + z)^2*(y + z)^3))*G[0, 1, 0, z] + ((I*Pi*(6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4))/(y^2*z) + (Pi^2*(-3*y^3 + 3*y^4 + 2*z - 6*y*z + 6*y^2*z - 3*y^3*z - 8*z^2 + 18*y*z^2 - 12*y^2*z^2 + 6*y^3*z^2 + 12*z^3 - 18*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/(2*y^2*(-1 + y + z)^2) + (-4*y^3 + 35*y^4 - 95*y^5 + 101*y^6 - 37*y^7 + 56*y^2*z - 102*y^3*z - 83*y^4*z + 326*y^5*z - 257*y^6*z + 60*y^7*z + 36*y*z^2 - 120*y^2*z^2 - 20*y^3*z^2 + 479*y^4*z^2 - 576*y^5*z^2 + 169*y^6*z^2 + 8*z^3 - 42*y*z^3 - 71*y^2*z^3 + 492*y^3*z^3 - 685*y^4*z^3 + 202*y^5*z^3 + 5*z^4 - 107*y*z^4 + 377*y^2*z^4 - 531*y^3*z^4 + 160*y^4*z^4 - 36*z^5 + 162*y*z^5 - 248*y^2*z^5 + 90*y^3*z^5 + 23*z^6 - 46*y*z^6 + 23*y^2*z^6)/(2*(-1 + y)^2*y^2*z* (y + z)^2))*G[0, 1, 1, y] - (2*Pi^2*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2)*G[0, 1, 1, z])/ (y^2*(-1 + y + z)^2) + (Pi^2*(-1 + z)*(-1 + 2*y + z)* G[0, 1, 1 - y, z])/(y*(-1 + y + z)) + (((-2*I)*Pi*(1 + y - z)*z*(1 - y + 3*y^2 - 2*z + y*z + z^2))/ (y^2*(-1 + y + z)) - (-2 + 2*y + 20*y^2 - 50*y^3 + 42*y^4 - 12*y^5 + 21*z - 45*y*z - 3*y^2*z + 101*y^3*z - 118*y^4*z + 44*y^5*z - 43*z^2 + 74*y*z^2 + 49*y^2*z^2 - 82*y^3*z^2 + 2*y^4*z^2 + 31*z^3 - 45*y*z^3 - 35*y^2*z^3 + 17*y^3*z^3 - 7*z^4 + 14*y*z^4 - 7*y^2*z^4)/(2*(-1 + y)^2*y^2*(-1 + y + z)) - (Pi^2*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 9*y^3*z^2 - 15*y^4*z^2 + 6*y^5*z^2 - 6*z^3 + 18*y*z^3 - 18*y^2*z^3 + 3*y^3*z^3 + 6*y^4*z^3 + 24*z^4 - 54*y*z^4 + 36*y^2*z^4 - 8*y^3*z^4 - 36*z^5 + 54*y*z^5 - 18*y^2*z^5 + 24*z^6 - 18*y*z^6 - 6*z^7))/(2*y^2*z^2*(-1 + y + z)^2))* G[0, 1 - y, 0, z] + (Pi^2*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 2*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)* G[0, 1 - y, 1, z])/(y^2*(-1 + y + z)^2) + (((-I)*Pi*(6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4))/(y^2*z) - (4*y + 19*y^2 - 80*y^3 + 87*y^4 - 30*y^5 + 8*z - 36*y*z - 34*y^2*z + 190*y^3*z - 174*y^4*z + 46*y^5*z + 5*z^2 - 49*y*z^2 + 166*y^2*z^2 - 171*y^3*z^2 + 49*y^4*z^2 - 36*z^3 + 130*y*z^3 - 184*y^2*z^3 + 58*y^3*z^3 + 23*z^4 - 46*y*z^4 + 23*y^2*z^4)/ (2*(-1 + y)^2*y^2*z) + (Pi^2*(y - 3*y^2 + 2*y^4 - 4*z + 9*y*z - 6*y^2*z + 2*y^3*z + 16*z^2 - 33*y*z^2 + 21*y^2*z^2 - 2*y^3*z^2 - 24*z^3 + 35*y*z^3 - 12*y^2*z^3 + 16*z^4 - 12*y*z^4 - 4*z^5))/ (2*y^2*(-1 + y + z)^2))*G[0, 1 - y, 1 - y, z] + (((-I)*Pi*(-6*y^2 + 36*y^3 - 72*y^4 + 60*y^5 - 18*y^6 - 12*y*z + 58*y^2*z - 119*y^3*z + 138*y^4*z - 91*y^5*z + 26*y^6*z + 2*z^2 + 42*y*z^2 - 164*y^2*z^2 + 190*y^3*z^2 - 83*y^4*z^2 + 13*y^5*z^2 - 6*z^3 - 42*y*z^3 + 172*y^2*z^3 - 159*y^3*z^3 + 57*y^4*z^3 - 6*y^5*z^3 + 6*z^4 + 6*y*z^4 - 54*y^2*z^4 + 42*y^3*z^4 - 16*y^4*z^4 - 2*z^5 + 6*y*z^5 - 6*y^2*z^5 + 2*y^3*z^5))/ ((-1 + y)^3*y^2*(-1 + z)*z) - (Pi^2*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + y*z^2 - 3*y^2*z^2 + 11*y^3*z^2 - 15*y^4*z^2 + 6*y^5*z^2 + 12*z^3 - 39*y*z^3 + 42*y^2*z^3 - 25*y^3*z^3 + 6*y^4*z^3 - 48*z^4 + 111*y*z^4 - 75*y^2*z^4 + 18*y^3*z^4 + 72*z^5 - 109*y*z^5 + 36*y^2*z^5 - 48*z^6 + 36*y*z^6 + 12*z^7))/(2*y^2*z^2*(-1 + y + z)^2) - (-16*y^3 + 112*y^4 - 320*y^5 + 480*y^6 - 400*y^7 + 176*y^8 - 32*y^9 - 6*y*z + 110*y^2*z - 548*y^3*z + 1088*y^4*z - 826*y^5*z - 126*y^6*z + 532*y^7*z - 256*y^8*z + 32*y^9*z + 131*y*z^2 - 997*y^2*z^2 + 3197*y^3*z^2 - 5243*y^4*z^2 + 4472*y^5*z^2 - 1724*y^6*z^2 + 84*y^7*z^2 + 80*y^8*z^2 - 20*z^3 - 519*y*z^3 + 3021*y^2*z^3 - 6517*y^3*z^3 + 7105*y^4*z^3 - 4060*y^5*z^3 + 1022*y^6*z^3 - 32*y^7*z^3 + 80*z^4 + 769*y*z^4 - 4033*y^2*z^4 + 6512*y^3*z^4 - 4734*y^4*z^4 + 1610*y^5*z^4 - 204*y^6*z^4 - 120*z^5 - 415*y*z^5 + 2387*y^2*z^5 - 3148*y^3*z^5 + 1668*y^4*z^5 - 324*y^5*z^5 + 80*z^6 - 20*y*z^6 - 428*y^2*z^6 + 500*y^3*z^6 - 180*y^4*z^6 - 20*z^7 + 60*y*z^7 - 60*y^2*z^7 + 20*y^3*z^7)/ (4*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)))*G[0, -y, 1 - y, z] + ((I*Pi*(-6*y + 12*y^2 - 6*y^3 + 27*y*z - 39*y^2*z + 12*y^3*z + 6*z^2 - 43*y*z^2 + 26*y^2*z^2 - 12*z^3 + 22*y*z^3 + 6*z^4))/ (z*(-1 + y + z)^2) + (Pi^2*(-2*y + 6*y^2 - 5*y^3 + y^4 - 4*z + 18*y*z - 24*y^2*z + 11*y^3*z + 16*z^2 - 42*y*z^2 + 30*y^2*z^2 - 6*y^3*z^2 - 24*z^3 + 38*y*z^3 - 12*y^2*z^3 + 16*z^4 - 12*y*z^4 - 4*z^5))/(2*y^2*(-1 + y + z)^2) + (14*y^2 - 89*y^3 + 220*y^4 - 266*y^5 + 158*y^6 - 37*y^7 + 10*y*z - 184*y^2*z + 666*y^3*z - 1122*y^4*z + 992*y^5*z - 422*y^6*z + 60*y^7*z + 28*z^2 - 315*y*z^2 + 1209*y^2*z^2 - 2312*y^3*z^2 + 2456*y^4*z^2 - 1317*y^5*z^2 + 251*y^6*z^2 - 124*z^3 + 862*y*z^3 - 2179*y^2*z^3 + 2836*y^3*z^3 - 1875*y^4*z^3 + 448*y^5*z^3 + 195*z^4 - 886*y*z^4 + 1578*y^2*z^4 - 1366*y^3*z^4 + 415*y^4*z^4 - 131*z^5 + 396*y*z^5 - 487*y^2*z^5 + 190*y^3*z^5 + 32*z^6 - 64*y*z^6 + 32*y^2*z^6)/ (2*(-1 + y)^2*z*(-1 + y + z)^2*(y + z)^2))*G[1, 0, 0, y] + ((-2*Pi^2*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/ (y^2*(-1 + y + z)^2) - ((2*I)*Pi*(-1 + z)*z*(-1 + 2*y + z)* (1 - 5*y + 5*y^2 - 2*z + 5*y*z + z^2))/(y^2*(-1 + y + z)^2) - ((-1 + 2*y + z)*(2*y^2 - 10*y^3 + 20*y^4 - 18*y^5 + 6*y^6 + 4*y*z - 91*y^2*z + 258*y^3*z - 329*y^4*z + 228*y^5*z - 70*y^6*z + 2*z^2 - 70*y*z^2 + 435*y^2*z^2 - 852*y^3*z^2 + 807*y^4*z^2 - 378*y^5*z^2 + 56*y^6*z^2 - 21*z^3 + 240*y*z^3 - 770*y^2*z^3 + 1008*y^3*z^3 - 657*y^4*z^3 + 168*y^5*z^3 + 43*z^4 - 292*y*z^4 + 548*y^2*z^4 - 474*y^3*z^4 + 175*y^4*z^4 - 31*z^5 + 132*y*z^5 - 139*y^2*z^5 + 70*y^3*z^5 + 7*z^6 - 14*y*z^6 + 7*y^2*z^6))/ (2*(-1 + y)^2*y^2*(-1 + y + z)^2*(y + z)^2))*G[1, 0, 0, z] + (-1/2*(Pi^2*(-y + 3*y^2 - 3*y^3 + y^4 + 8*z - 21*y*z + 18*y^2*z - y^3*z - 32*z^2 + 69*y*z^2 - 45*y^2*z^2 + 4*y^3*z^2 + 48*z^3 - 71*y*z^3 + 24*y^2*z^3 - 32*z^4 + 24*y*z^4 + 8*z^5))/ (y^2*(-1 + y + z)^2) - (I*Pi*(6*y - 24*y^2 + 36*y^3 - 24*y^4 + 6*y^5 - 3*z - 15*y*z + 81*y^2*z - 123*y^3*z + 78*y^4*z - 18*y^5*z - z^2 + 49*y*z^2 - 169*y^2*z^2 + 189*y^3*z^2 - 54*y^4*z^2 - 22*y^5*z^2 + 8*y^6*z^2 + 21*z^3 - 107*y*z^3 + 256*y^2*z^3 - 232*y^3*z^3 + 52*y^4*z^3 + 10*y^5*z^3 - 27*z^4 + 97*y*z^4 - 198*y^2*z^4 + 140*y^3*z^4 - 28*y^4*z^4 + 10*z^5 - 30*y*z^5 + 54*y^2*z^5 - 18*y^3*z^5))/((-1 + y)^3*y*(-1 + z)*z* (-1 + y + z)) + (22*y^3 - 54*y^4 - 58*y^5 + 332*y^6 - 438*y^7 + 250*y^8 - 54*y^9 - 56*y^2*z + 337*y^3*z - 1282*y^4*z + 3319*y^5*z - 5434*y^6*z + 5529*y^7*z - 3452*y^8*z + 1239*y^9*z - 200*y^10*z - 2*y*z^2 + 224*y^2*z^2 - 1852*y^3*z^2 + 7309*y^4*z^2 - 16197*y^5*z^2 + 20978*y^6*z^2 - 15726*y^7*z^2 + 6337*y^8*z^2 - 1087*y^9*z^2 + 16*y^10*z^2 + 12*z^3 - 83*y*z^3 - 538*y^2*z^3 + 6001*y^3*z^3 - 20777*y^4*z^3 + 35990*y^5*z^3 - 33640*y^6*z^3 + 16212*y^7*z^3 - 3263*y^8*z^3 + 86*y^9*z^3 - 44*z^4 + 138*y*z^4 + 2117*y^2*z^4 - 13899*y^3*z^4 + 34501*y^4*z^4 - 42655*y^5*z^4 + 26617*y^6*z^4 - 7271*y^7*z^4 + 496*y^8*z^4 + 48*z^5 + 320*y*z^5 - 5163*y^2*z^5 + 19432*y^3*z^5 - 33137*y^4*z^5 + 27891*y^5*z^5 - 10669*y^6*z^5 + 1326*y^7*z^5 + 10*z^6 - 962*y*z^6 + 6049*y^2*z^6 - 14863*y^3*z^6 + 17234*y^4*z^6 - 9052*y^5*z^6 + 1632*y^6*z^6 - 58*z^7 + 869*y*z^7 - 3369*y^2*z^7 + 5582*y^3*z^7 - 4018*y^4*z^7 + 946*y^5*z^7 + 42*z^8 - 310*y*z^8 + 766*y^2*z^8 - 770*y^3*z^8 + 224*y^4*z^8 - 10*z^9 + 30*y*z^9 - 30*y^2*z^9 + 10*y^3*z^9)/ (4*(-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)^2*(y + z)^2))* G[1, 0, 1, y] - (3*Pi^2*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2)*G[1, 0, 1, z])/ (y^2*(-1 + y + z)^2) + (((2*I)*Pi*(-1 + z)*z*(1 - 5*y + 10*y^2 - 2*z + 5*y*z + z^2))/ (y^2*(-1 + y + z)) + (Pi^2*(-1 + z)*(y - 3*y^2 + 2*y^3 - 6*z + 16*y*z - 15*y^2*z + 8*y^3*z + 18*z^2 - 35*y*z^2 + 18*y^2*z^2 - 18*z^3 + 18*y*z^3 + 6*z^4))/(2*y^2*(-1 + y + z)^2) + ((-1 + z)*(y - y^2 - 2*z + 2*y*z - 3*y^2*z - 2*z^2 + 14*y*z^2 - 17*y^2*z^2 - 14*z^3 + 126*y*z^3 - 347*y^2*z^3 + 240*y^3*z^3 + 78*z^4 - 319*y*z^4 + 380*y^2*z^4 - 96*z^5 + 176*y*z^5 + 36*z^6))/ (4*y^2*z^2*(-1 + y + z)^2))*G[1, 0, 1 - y, z] + ((2*Pi^2*(-1 + y + z)*(y + 3*z - 3*z^2))/y^2 - (I*Pi*(-6*y^4 + 18*y^5 - 18*y^6 + 6*y^7 - 15*y^3*z + 81*y^4*z - 135*y^5*z + 87*y^6*z - 18*y^7*z + 17*y^2*z^2 + 37*y^3*z^2 - 258*y^4*z^2 + 309*y^5*z^2 - 111*y^6*z^2 + 4*y^7*z^2 + 22*y*z^3 - 134*y^2*z^3 - y^3*z^3 + 347*y^4*z^3 - 236*y^5*z^3 + 18*y^6*z^3 + 12*z^4 - 152*y*z^4 + 402*y^2*z^4 - 129*y^3*z^4 - 142*y^4*z^4 + 20*y^5*z^4 - 60*z^5 + 382*y*z^5 - 582*y^2*z^5 + 210*y^3*z^5 - 30*y^4*z^5 + 120*z^6 - 454*y*z^6 + 409*y^2*z^6 - 102*y^3*z^6 - 120*z^7 + 260*y*z^7 - 112*y^2*z^7 + 60*z^8 - 58*y*z^8 - 12*z^9))/ (y*(-1 + z)*z*(-1 + y + z)^2*(y + z)^3) - (-46*y^5 + 124*y^6 - 110*y^7 + 32*y^8 - 77*y^4*z + 475*y^5*z - 971*y^6*z + 845*y^7*z - 268*y^8*z + 265*y^3*z^2 - 319*y^4*z^2 - 1532*y^5*z^2 + 3029*y^6*z^2 - 1519*y^7*z^2 + 52*y^8*z^2 + 428*y^2*z^3 - 2376*y^3*z^3 + 1909*y^4*z^3 + 2821*y^5*z^3 - 3018*y^6*z^3 + 232*y^7*z^3 + 192*y*z^4 - 2526*y^2*z^4 + 6548*y^3*z^4 - 3165*y^4*z^4 - 1644*y^5*z^4 + 284*y^6*z^4 + 12*z^5 - 912*y*z^5 + 5624*y^2*z^5 - 8242*y^3*z^5 + 2730*y^4*z^5 - 258*y^5*z^5 - 44*z^6 + 1716*y*z^6 - 6040*y^2*z^6 + 5039*y^3*z^6 - 1078*y^4*z^6 + 60*z^7 - 1604*y*z^7 + 3172*y^2*z^7 - 1234*y^3*z^7 - 36*z^8 + 748*y*z^8 - 658*y^2*z^8 + 8*z^9 - 140*y*z^9)/ (4*y^2*(-1 + z)*z*(-1 + y + z)^2*(y + z)^3))*G[1, 1, 0, y] + G[1 - y, -y, z]*((-6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, 1, 0, y])/(y^2*z^2) + (6*y*(-1 + y + z)*(-1 + 2*z)* G[0, 1, 1, y])/z^2 + (6*y*(-1 + y + z)*(-1 + 2*z)*G[1, 0, 1, y])/ z^2 - (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[1, 1, 0, y])/(y^2*z^2)) + (((-2*I)*Pi*(-1 + z)*(-1 + 2*y + z)*(-y + y^2 + z - 8*y*z + 9*y^2*z - 2*z^2 + 9*y*z^2 + z^3))/(y^2*(-1 + y + z)^2) - (Pi^2*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 5*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3))/(y^2*(-1 + y + z)^2) - ((-1 + z)*(-1 + 2*y + z)*(-y^3 + y^4 + 5*y^5 - 11*y^6 + 8*y^7 - 2*y^8 - 11*y^3*z + 48*y^4*z - 79*y^5*z + 62*y^6*z - 24*y^7*z + 4*y^8*z + 3*y*z^2 - 37*y^2*z^2 + 108*y^3*z^2 - 146*y^4*z^2 + 117*y^5*z^2 - 61*y^6*z^2 + 16*y^7*z^2 + 2*z^3 - 37*y*z^3 + 202*y^2*z^3 - 552*y^3*z^3 + 900*y^4*z^3 - 779*y^5*z^3 + 264*y^6*z^3 - 12*z^4 + 165*y*z^4 - 905*y^2*z^4 + 2017*y^3*z^4 - 2001*y^4*z^4 + 736*y^5*z^4 + 60*z^5 - 555*y*z^5 + 1646*y^2*z^5 - 1885*y^3*z^5 + 766*y^4*z^5 - 92*z^6 + 508*y*z^6 - 708*y^2*z^6 + 324*y^3*z^6 + 42*z^7 - 84*y*z^7 + 42*y^2*z^7))/ (4*(-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2))*G[1, 1, 0, z] + (-1/6*(63*y^3 - 63*y^4 + 20*y^2*z - 237*y^3*z + 126*y^4*z - 141*y*z^2 + 23*y^2*z^2 + 252*y^3*z^2 - 126*z^3 + 393*y*z^3 + 252*z^4 - 252*y*z^4 - 126*z^5)/(y*z*(y + z)^2) - (Pi^2*(-5*y + 15*y^2 - 15*y^3 + 5*y^4 - 16*z + 63*y*z - 78*y^2*z + 25*y^3*z + 64*z^2 - 159*y*z^2 + 111*y^2*z^2 - 10*y^3*z^2 - 96*z^3 + 149*y*z^3 - 48*y^2*z^3 + 64*z^4 - 48*y*z^4 - 16*z^5))/ (2*y^2*(-1 + y + z)^2))*G[1, 1, 1, y] + G[-y, 0, z]*((-6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[0, 1, 0, y])/(y^2*z^2) + (6*y*(-1 + y + z)*(-1 + 2*z)* G[0, 1, 1, y])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1, 0, 0, y])/(y^2*z^2) + (6*y*(-1 + y + z)*(-1 + 2*z)* G[1, 0, 1, y])/z^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1, 1, 0, y])/(y^2*z^2) - (9*y*(-1 + y + z)*(-1 + 2*z)* G[1, 1, 1, y])/z^2) + G[0, -y, z]* ((((-6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/y^2 + (y^3 - 3*y^4 + 3*y^5 - y^6 - 9*y^3*z + 16*y^4*z - 11*y^5*z + 2*y^6*z + 25*y*z^2 - 85*y^2*z^2 + 106*y^3*z^2 - 44*y^4*z^2 + 20*z^3 - 171*y*z^3 + 330*y^2*z^3 - 202*y^3*z^3 + 20*y^4*z^3 - 80*z^4 + 360*y*z^4 - 396*y^2*z^4 + 102*y^3*z^4 + 120*z^5 - 308*y*z^5 + 154*y^2*z^5 - 80*z^6 + 94*y*z^6 + 20*z^7)/ (2*y^2*z^2*(-1 + y + z)^2))*G[1, 0, y] + (((6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/y^2 - (y^3 - 4*y^4 + 6*y^5 - 4*y^6 + y^7 + 24*y^2*z - 126*y^3*z + 237*y^4*z - 195*y^5*z + 63*y^6*z - 3*y^7*z + 45*y*z^2 - 258*y^2*z^2 + 577*y^3*z^2 - 653*y^4*z^2 + 384*y^5*z^2 - 97*y^6*z^2 + 2*y^7*z^2 + 20*z^3 - 248*y*z^3 + 781*y^2*z^3 - 1017*y^3*z^3 + 639*y^4*z^3 - 197*y^5*z^3 + 22*y^6*z^3 - 60*z^4 + 421*y*z^4 - 961*y^2*z^4 + 867*y^3*z^4 - 349*y^4*z^4 + 50*y^5*z^4 + 60*z^5 - 278*y*z^5 + 474*y^2*z^5 - 306*y^3*z^5 + 82*y^4*z^5 - 20*z^6 + 60*y*z^6 - 60*y^2*z^6 + 20*y^3*z^6)/ (2*(-1 + y)^3*y^2*(-1 + z)*z^2))*G[1, 1, y] + (3*y*(-1 + y - z + 2*z^2)*G[0, 0, 1, y])/(-1 + y + z)^2 + (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 10*z^3 + 10*z^4)*G[0, 1, 0, y])/ (y^2*z^2) - (3*y*(-1 + y + z)*(-1 + 2*z)*G[0, 1, 1, y])/z^2 + (3*(-2*y + 6*y^2 - 5*y^3 + y^4 - 4*z + 18*y*z - 24*y^2*z + 11*y^3*z + 16*z^2 - 42*y*z^2 + 30*y^2*z^2 - 6*y^3*z^2 - 24*z^3 + 38*y*z^3 - 12*y^2*z^3 + 16*z^4 - 12*y*z^4 - 4*z^5)*G[1, 0, 0, y])/ (y^2*(-1 + y + z)^2) - (3*y*(1 - 3*y + 3*y^2 - y^3 - 5*z + 12*y*z - 9*y^2*z + 2*y^3*z + 8*z^2 - 14*y*z^2 + 6*y^2*z^2 - 10*z^3 + 6*y*z^3 + 6*z^4)*G[1, 0, 1, y])/(z^2*(-1 + y + z)^2) + (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z - y*z^2 + 3*y^2*z^2 + 5*y^3*z^2 - 13*y^4*z^2 + 6*y^5*z^2 + 8*z^3 - 21*y*z^3 + 18*y^2*z^3 - 13*y^3*z^3 + 6*y^4*z^3 - 32*z^4 + 69*y*z^4 - 45*y^2*z^4 + 12*y^3*z^4 + 48*z^5 - 71*y*z^5 + 24*y^2*z^5 - 32*z^6 + 24*y*z^6 + 8*z^7)* G[1, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) - (9*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1, 1, 1, y])/y^2) + G[-y, -y, z]*((-6*y*(-1 + y + z)*(-1 + 2*z)*G[0, 0, 1, y])/z^2 + (12*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[0, 1, 0, y])/ (y^2*z^2) + (6*y*(-1 + y + z)*(-1 + 2*z)*G[0, 1, 1, y])/z^2 - (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1, 0, 0, y])/y^2 + (6*y*(-1 + y + z)*(-1 + 2*z)*G[1, 0, 1, y])/z^2 + (3*(-1 + y + z)*(-4*y^3 + 8*y^3*z - y*z^2 + 6*z^3 - 6*z^4)* G[1, 1, 0, y])/(y^2*z^2) + (9*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)*G[1, 1, 1, y])/(y^2*z^2)) + (Pi^2*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1, 1, 1, z])/(y^2*(-1 + y + z)^2) + (Pi^2*(-1 + z)*(-2*y + 6*y^2 - 4*y^3 - 5*z + 19*y*z - 21*y^2*z + 8*y^3*z + 15*z^2 - 32*y*z^2 + 15*y^2*z^2 - 15*z^3 + 15*y*z^3 + 5*z^4)*G[1, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) + (((2*I)*Pi*(-1 + z)*z*(1 - 5*y + 10*y^2 - 2*z + 5*y*z + z^2))/ (y^2*(-1 + y + z)) + (2*Pi^2*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3))/ (y^2*(-1 + y + z)^2) + ((-1 + z)*(y - y^2 - 2*z + 2*y*z - 3*y^2*z - 2*z^2 + 14*y*z^2 - 17*y^2*z^2 - 14*z^3 + 126*y*z^3 - 347*y^2*z^3 + 240*y^3*z^3 + 78*z^4 - 319*y*z^4 + 380*y^2*z^4 - 96*z^5 + 176*y*z^5 + 36*z^6))/(4*y^2*z^2*(-1 + y + z)^2))* G[1, 1 - y, 0, z] - (Pi^2*(-1 + z)*z*(2 - 6*y + 6*y^2 + y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3)*G[1, 1 - y, 1, z])/ (y^2*(-1 + y + z)^2) - (Pi^2*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 6*z + 20*y*z - 21*y^2*z + 5*y^3*z + 18*z^2 - 37*y*z^2 + 18*y^2*z^2 - 18*z^3 + 18*y*z^3 + 6*z^4)*G[1, 1 - y, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (((-2*I)*Pi*(1 + y - z)*z*(1 - y + 3*y^2 - 2*z + y*z + z^2))/ (y^2*(-1 + y + z)) - (-2 + 2*y + 20*y^2 - 50*y^3 + 42*y^4 - 12*y^5 + 21*z - 45*y*z - 3*y^2*z + 101*y^3*z - 118*y^4*z + 44*y^5*z - 43*z^2 + 74*y*z^2 + 49*y^2*z^2 - 82*y^3*z^2 + 2*y^4*z^2 + 31*z^3 - 45*y*z^3 - 35*y^2*z^3 + 17*y^3*z^3 - 7*z^4 + 14*y*z^4 - 7*y^2*z^4)/(2*(-1 + y)^2*y^2*(-1 + y + z)) + (Pi^2*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 9*y^3*z^2 - 15*y^4*z^2 + 6*y^5*z^2 + 2*z^3 - 6*y*z^3 + 6*y^2*z^3 - 8*y^3*z^3 + 6*y^4*z^3 - 8*z^4 + 18*y*z^4 - 12*y^2*z^4 + 3*y^3*z^4 + 12*z^5 - 18*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[1 - y, 0, 0, z] + (Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z - 6*z^3 + 6*z^4)*G[1 - y, 0, 1, z])/ (2*y^2*z^2) + (((-I)*Pi*(6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4))/(y^2*z) - (4*y + 19*y^2 - 80*y^3 + 87*y^4 - 30*y^5 + 8*z - 36*y*z - 34*y^2*z + 190*y^3*z - 174*y^4*z + 46*y^5*z + 5*z^2 - 49*y*z^2 + 166*y^2*z^2 - 171*y^3*z^2 + 49*y^4*z^2 - 36*z^3 + 130*y*z^3 - 184*y^2*z^3 + 58*y^3*z^3 + 23*z^4 - 46*y*z^4 + 23*y^2*z^4)/(2*(-1 + y)^2*y^2*z) + (Pi^2*(-y^3 + 2*y^4 - y^5 + 4*y^3*z - 6*y^4*z + 2*y^5*z - y*z^2 + 2*y^2*z^2 - 7*y^3*z^2 + 4*y^4*z^2 + 2*z^3 - 2*y*z^3 + 2*y^3*z^3 - 6*z^4 + 7*y*z^4 - 2*y^2*z^4 + 6*z^5 - 4*y*z^5 - 2*z^6))/ (2*y^2*z^2*(-1 + y + z)))*G[1 - y, 0, 1 - y, z] + ((Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z - 4*z^3 + 4*z^4))/(2*y^2*z^2) + (I*Pi*(-2*y^4 + 6*y^5 - 6*y^6 + 2*y^7 + 22*y^3*z - 140*y^4*z + 346*y^5*z - 404*y^6*z + 232*y^7*z - 68*y^8*z + 12*y^9*z + 19*y^2*z^2 - 231*y^3*z^2 + 820*y^4*z^2 - 1266*y^5*z^2 + 936*y^6*z^2 - 346*y^7*z^2 + 68*y^8*z^2 + 13*y*z^3 - 195*y^2*z^3 + 888*y^3*z^3 - 1744*y^4*z^3 + 1602*y^5*z^3 - 702*y^6*z^3 + 154*y^7*z^3 + 2*z^4 - 68*y*z^4 + 469*y^2*z^4 - 1229*y^3*z^4 + 1414*y^4*z^4 - 716*y^5*z^4 + 176*y^6*z^4 - 6*z^5 + 103*y*z^5 - 413*y^2*z^5 + 636*y^3*z^5 - 376*y^4*z^5 + 104*y^5*z^5 + 6*z^6 - 54*y*z^6 + 126*y^2*z^6 - 90*y^3*z^6 + 28*y^4*z^6 - 2*z^7 + 6*y*z^7 - 6*y^2*z^7 + 2*y^3*z^7))/((-1 + y)^3*y^2*(-1 + y + z)* (y + z)^3) + (2*y^4 + 2*y^5 - 38*y^6 + 92*y^7 - 98*y^8 + 50*y^9 - 10*y^10 + 6*y^3*z - 11*y^4*z + 80*y^5*z - 480*y^6*z + 1128*y^7*z - 1265*y^8*z + 690*y^9*z - 148*y^10*z + 6*y^2*z^2 - 255*y^3*z^2 + 1999*y^4*z^2 - 6845*y^5*z^2 + 12269*y^6*z^2 - 12172*y^7*z^2 + 6554*y^8*z^2 - 1700*y^9*z^2 + 144*y^10*z^2 + 2*y*z^3 - 392*y^2*z^3 + 4187*y^3*z^3 - 17157*y^4*z^3 + 35237*y^5*z^3 - 39474*y^6*z^3 + 24228*y^7*z^3 - 7591*y^8*z^3 + 960*y^9*z^3 - 250*y*z^4 + 3722*y^2*z^4 - 19472*y^3*z^4 + 48832*y^4*z^4 - 65167*y^5*z^4 + 47195*y^6*z^4 - 17616*y^7*z^4 + 2756*y^8*z^4 - 52*z^5 + 1480*y*z^5 - 11250*y^2*z^5 + 36814*y^3*z^5 - 60895*y^4*z^5 + 53117*y^5*z^5 - 23506*y^6*z^5 + 4340*y^7*z^5 + 208*z^6 - 3118*y*z^6 + 14958*y^2*z^6 - 32469*y^3*z^6 + 35085*y^4*z^6 - 18496*y^5*z^6 + 3976*y^6*z^6 - 312*z^7 + 2942*y*z^7 - 9284*y^2*z^7 + 13029*y^3*z^7 - 8303*y^4*z^7 + 2072*y^5*z^7 + 208*z^8 - 1212*y*z^8 + 2396*y^2*z^8 - 1892*y^3*z^8 + 548*y^4*z^8 - 52*z^9 + 156*y*z^9 - 156*y^2*z^9 + 52*y^3*z^9)/(4*(-1 + y)^3*y^2*z*(-1 + y + z)^2*(y + z)^3))* G[1 - y, 1, 0, z] - (Pi^2*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 9*y^3*z^2 - 15*y^4*z^2 + 6*y^5*z^2 + 2*z^3 - 6*y*z^3 + 6*y^2*z^3 - 8*y^3*z^3 + 6*y^4*z^3 - 8*z^4 + 18*y*z^4 - 12*y^2*z^4 + 3*y^3*z^4 + 12*z^5 - 18*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7)*G[1 - y, 1, 1, z])/ (y^2*z^2*(-1 + y + z)^2) + (Pi^2*(-y^3 + 2*y^4 - y^5 + 4*y^3*z - 6*y^4*z + 2*y^5*z + 5*y*z^2 - 10*y^2*z^2 + y^3*z^2 + 4*y^4*z^2 + 10*z^3 - 30*y*z^3 + 20*y^2*z^3 + 2*y^3*z^3 - 30*z^4 + 45*y*z^4 - 10*y^2*z^4 + 30*z^5 - 20*y*z^5 - 10*z^6)*G[1 - y, 1, 1 - y, z])/ (2*y^2*z^2*(-1 + y + z)) + ((Pi^2*(-1 + y + z)*(-5*y^3 + 10*y^3*z + 6*z^3 - 6*z^4))/(2*y^2*z^2) - (I*Pi*(6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4))/(y^2*z) - (4*y + 19*y^2 - 80*y^3 + 87*y^4 - 30*y^5 + 8*z - 36*y*z - 34*y^2*z + 190*y^3*z - 174*y^4*z + 46*y^5*z + 5*z^2 - 49*y*z^2 + 166*y^2*z^2 - 171*y^3*z^2 + 49*y^4*z^2 - 36*z^3 + 130*y*z^3 - 184*y^2*z^3 + 58*y^3*z^3 + 23*z^4 - 46*y*z^4 + 23*y^2*z^4)/ (2*(-1 + y)^2*y^2*z))*G[1 - y, 1 - y, 0, z] - (Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, 1, z])/(2*y^2*z^2) + ((-3*Pi^2*(-1 + y + z)*(-2*y^3 + 4*y^3*z + y*z^2 + 4*z^3 - 4*z^4))/ (2*y^2*z^2) - (63*y^3 - 63*y^4 + 20*y^2*z - 237*y^3*z + 126*y^4*z - 141*y*z^2 + 23*y^2*z^2 + 252*y^3*z^2 - 126*z^3 + 393*y*z^3 + 252*z^4 - 252*y*z^4 - 126*z^5)/(6*y*z*(y + z)^2))* G[1 - y, 1 - y, 1 - y, z] + ((Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/(y^2*z^2) - (I*Pi*(-12*y^2 + 36*y^3 - 36*y^4 + 12*y^5 + 15*z - 46*y*z + 49*y^2*z - 30*y^3*z + 22*y^4*z - 10*y^5*z - 32*z^2 + 101*y*z^2 - 87*y^2*z^2 + 22*y^3*z^2 - 10*y^4*z^2 + 6*y^5*z^2 + 19*z^3 - 61*y*z^3 + 24*y^2*z^3 + 2*y^3*z^3 - 2*z^4 + 6*y*z^4 + 18*y^2*z^4 - 6*y^3*z^4))/((-1 + y)^3*y*(-1 + z)*z) + (-y^3 + 9*y^4 - 49*y^5 + 177*y^6 - 395*y^7 + 531*y^8 - 419*y^9 + 179*y^10 - 32*y^11 + y^3*z - y^4*z - 49*y^5*z - 3*y^6*z + 523*y^7*z - 1099*y^8*z + 917*y^9*z - 321*y^10*z + 32*y^11*z + 3*y*z^2 + 71*y^2*z^2 - 129*y^3*z^2 - 625*y^4*z^2 + 2044*y^5*z^2 - 1750*y^6*z^2 - 546*y^7*z^2 + 1686*y^8*z^2 - 896*y^9*z^2 + 142*y^10*z^2 + 2*z^3 - y*z^3 + 87*y^2*z^3 - 1215*y^3*z^3 + 3785*y^4*z^3 - 4390*y^5*z^3 + 1214*y^6*z^3 + 1360*y^7*z^3 - 1056*y^8*z^3 + 214*y^9*z^3 - 16*z^4 + 170*y*z^4 - 1284*y^2*z^4 + 4110*y^3*z^4 - 5546*y^4*z^4 + 2619*y^5*z^4 + 465*y^6*z^4 - 640*y^7*z^4 + 122*y^8*z^4 + 34*z^5 - 484*y*z^5 + 2244*y^2*z^5 - 3948*y^3*z^5 + 2248*y^4*z^5 + 525*y^5*z^5 - 637*y^6*z^5 + 66*y^7*z^5 - 16*z^6 + 369*y*z^6 - 1095*y^2*z^6 + 534*y^3*z^6 + 1164*y^4*z^6 - 1074*y^5*z^6 + 166*y^6*z^6 - 26*z^7 + 51*y*z^7 - 303*y^2*z^7 + 972*y^3*z^7 - 932*y^4*z^7 + 190*y^5*z^7 + 32*z^8 - 138*y*z^8 + 310*y^2*z^8 - 334*y^3*z^8 + 82*y^4*z^8 - 10*z^9 + 30*y*z^9 - 30*y^2*z^9 + 10*y^3*z^9)/(4*(-1 + y)^3*y^2*(-1 + z)*z^2* (-1 + y + z)*(y + z)^2))*G[1 - y, -y, 1 - y, z] + (Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[-y, 0, 1, z])/ (2*y^2*z^2) + ((Pi^2*(-1 + y + z)*(-3*y^3 + 6*y^3*z + 4*z^3 - 4*z^4))/ (2*y^2*z^2) - (I*Pi*(6*y^2 - 6*y^3 - 5*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 + 9*y*z^2 + 6*y^2*z^2 - 4*z^3 - 4*y*z^3 + 2*z^4))/(y^2*z) - (-2*y^2 + 11*y^3 - 15*y^4 + 6*y^5 - 6*y*z + 86*y^2*z - 225*y^3*z + 206*y^4*z - 64*y^5*z - 4*z^2 - 26*y*z^2 - 220*y^2*z^2 + 630*y^3*z^2 - 478*y^4*z^2 + 96*y^5*z^2 + 62*z^3 + 26*y*z^3 + 274*y^2*z^3 - 604*y^3*z^3 + 236*y^4*z^3 - 196*z^4 + 102*y*z^4 - 186*y^2*z^4 + 168*y^3*z^4 + 258*z^5 - 152*y*z^5 + 48*y^2*z^5 - 156*z^6 + 56*y*z^6 + 36*z^7)/(4*y^2*z^2*(-1 + y + z)^2))* G[-y, 0, 1 - y, z] + ((Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + z^3 - z^4))/(y^2*z^2) - (I*Pi*(6*y^2 - 6*y^3 - 5*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 + 9*y*z^2 + 6*y^2*z^2 - 4*z^3 - 4*y*z^3 + 2*z^4))/(y^2*z) - (-2*y^2 + 11*y^3 - 15*y^4 + 6*y^5 - 6*y*z + 86*y^2*z - 225*y^3*z + 206*y^4*z - 64*y^5*z - 4*z^2 - 26*y*z^2 - 220*y^2*z^2 + 630*y^3*z^2 - 478*y^4*z^2 + 96*y^5*z^2 + 62*z^3 + 26*y*z^3 + 274*y^2*z^3 - 604*y^3*z^3 + 236*y^4*z^3 - 196*z^4 + 102*y*z^4 - 186*y^2*z^4 + 168*y^3*z^4 + 258*z^5 - 152*y*z^5 + 48*y^2*z^5 - 156*z^6 + 56*y*z^6 + 36*z^7)/(4*y^2*z^2* (-1 + y + z)^2))*G[-y, 1 - y, 0, z] + (Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[-y, 1 - y, 1, z])/(2*y^2*z^2) + (-1/2*(Pi^2*(-1 + y + z)*(-2*y^3 + 4*y^3*z + y*z^2 + 4*z^3 - 4*z^4))/ (y^2*z^2) - (I*Pi*(y^3 - y^4 - 2*y^2*z - 7*y^3*z + 2*y^4*z + 15*y*z^2 + y^2*z^2 - 6*y^3*z^2 - 2*z^3 - 21*y*z^3 + 4*z^4 + 6*y*z^4 - 2*z^5))/(y^2*z^2) + (-4*y^4 + 14*y^5 - 33*y^6 + 56*y^7 - 49*y^8 + 16*y^9 - 20*y^3*z + 51*y^4*z - 27*y^5*z + 26*y^6*z - 75*y^7*z + 45*y^8*z + 36*y^2*z^2 - 164*y^3*z^2 + 364*y^4*z^2 - 302*y^5*z^2 + 6*y^6*z^2 + 60*y^7*z^2 + 28*y*z^3 - 236*y^2*z^3 + 664*y^3*z^3 - 653*y^4*z^3 + 140*y^5*z^3 + 25*y^6*z^3 + 8*z^4 - 94*y*z^4 + 393*y^2*z^4 - 534*y^3*z^4 + 183*y^4*z^4 - 52*y^5*z^4 + 5*z^5 + 19*y*z^5 - 80*y^2*z^5 + 5*y^3*z^5 - 45*y^4*z^5 - 36*z^6 + 96*y*z^6 - 116*y^2*z^6 + 24*y^3*z^6 + 23*z^7 - 46*y*z^7 + 23*y^2*z^7)/(2*(-1 + y)^2*y^2*z^2* (y + z)^2))*G[-y, 1 - y, 1 - y, z] + (-1/2*(Pi^2*(-1 + y + z)*(-5*y^3 + 10*y^3*z + y*z^2 + 10*z^3 - 10*z^4))/(y^2*z^2) - (I*Pi*(y^3 - y^4 - 6*y^2*z + y^3*z + 2*y^4*z + 17*y*z^2 + 7*y^2*z^2 - 14*y^3*z^2 - 2*z^3 - 31*y*z^3 + 4*z^4 + 14*y*z^4 - 2*z^5))/(y^2*z^2) - (17*y^3 - 87*y^4 + 179*y^5 - 185*y^6 + 96*y^7 - 20*y^8 - 56*y^2*z + 123*y^3*z + 72*y^4*z - 415*y^5*z + 420*y^6*z - 162*y^7*z + 18*y^8*z + 185*y*z^2 - 643*y^2*z^2 + 862*y^3*z^2 - 504*y^4*z^2 + 5*y^5*z^2 + 159*y^6*z^2 - 64*y^7*z^2 - 36*z^3 - 565*y*z^3 + 2276*y^2*z^3 - 2982*y^3*z^3 + 1454*y^4*z^3 - 25*y^5*z^3 - 122*y^6*z^3 + 148*z^4 + 475*y*z^4 - 2327*y^2*z^4 + 2699*y^3*z^4 - 1139*y^4*z^4 + 144*y^5*z^4 - 230*z^5 + 93*y*z^5 + 696*y^2*z^5 - 801*y^3*z^5 + 274*y^4*z^5 + 160*z^6 - 272*y*z^6 + 96*y^2*z^6 + 48*y^3*z^6 - 42*z^7 + 84*y*z^7 - 42*y^2*z^7)/(4*(-1 + y)^2*y^2*z^2* (-1 + y + z)^2))*G[-y, -y, 1 - y, z] + (((6*I)*Pi*y)/(-1 + y + z) - (16*y^2 - 47*y^3 + 31*y^4 + 6*z - 50*y*z + 82*y^2*z + 74*y^3*z - 121*y^4*z + 24*y^5*z - 30*z^2 + 209*y*z^2 - 369*y^2*z^2 - y^3*z^2 + 90*y^4*z^2 + 60*z^3 - 324*y*z^3 + 419*y^2*z^3 - 26*y^3*z^3 - 60*z^4 + 221*y*z^4 - 148*y^2*z^4 + 30*z^5 - 56*y*z^5 - 6*z^6)/(2*y^2*(-1 + z)* (-1 + y + z)^2))*G[0, 0, 0, 1, y] + (z*(3 - 4*y + 12*y^2 + 7*y^3 - 9*z + 8*y*z - 12*y^2*z + 9*z^2 - 4*y*z^2 - 3*z^3)*G[0, 0, 0, 1 - y, z])/(y^2*(-1 + y + z)) + (((-6*I)*Pi*(-y^3 + y^4 + 2*z - 6*y*z + 6*y^2*z - 3*y^3*z - 8*z^2 + 18*y*z^2 - 12*y^2*z^2 + 4*y^3*z^2 + 12*z^3 - 18*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5))/(y^2*(-1 + y + z)^2) - (6*y^5 - 39*y^6 + 105*y^7 - 150*y^8 + 120*y^9 - 51*y^10 + 9*y^11 + 15*y^4*z - 131*y^5*z + 416*y^6*z - 755*y^7*z + 845*y^8*z - 551*y^9*z + 188*y^10*z - 27*y^11*z + 2*y^3*z^2 - 102*y^4*z^2 + 509*y^5*z^2 - 1321*y^6*z^2 + 2071*y^7*z^2 - 1829*y^8*z^2 + 836*y^9*z^2 - 176*y^10*z^2 + 10*y^11*z^2 + 35*y^2*z^3 - 229*y^3*z^3 + 747*y^4*z^3 - 1648*y^5*z^3 + 2786*y^6*z^3 - 3005*y^7*z^3 + 1713*y^8*z^3 - 454*y^9*z^3 + 39*y^10*z^3 + 45*y*z^4 - 408*y^2*z^4 + 1445*y^3*z^4 - 2771*y^4*z^4 + 3660*y^5*z^4 - 3642*y^6*z^4 + 2249*y^7*z^4 - 683*y^8*z^4 + 73*y^9*z^4 + 19*z^5 - 302*y*z^5 + 1501*y^2*z^5 - 3595*y^3*z^5 + 4937*y^4*z^5 - 4448*y^5*z^5 + 2607*y^6*z^5 - 823*y^7*z^5 + 104*y^8*z^5 - 81*z^6 + 743*y*z^6 - 2576*y^2*z^6 + 4549*y^3*z^6 - 4638*y^4*z^6 + 2850*y^5*z^6 - 949*y^6*z^6 + 134*y^7*z^6 + 138*z^7 - 906*y*z^7 + 2358*y^2*z^7 - 3142*y^3*z^7 + 2322*y^4*z^7 - 896*y^5*z^7 + 142*y^6*z^7 - 118*z^8 + 593*y*z^8 - 1177*y^2*z^8 + 1153*y^3*z^8 - 557*y^4*z^8 + 106*y^5*z^8 + 51*z^9 - 200*y*z^9 + 294*y^2*z^9 - 192*y^3*z^9 + 47*y^4*z^9 - 9*z^10 + 27*y*z^10 - 27*y^2*z^10 + 9*y^3*z^10)/((-1 + y)^3*y^2*(-1 + z)*z* (-1 + y + z)^2*(y + z)^3))*G[0, 0, 1, 0, y] + (((12*I)*Pi*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/ (y^2*(-1 + y + z)^2) - ((-1 + 2*y + z)*(-6*y^5 + 30*y^6 - 60*y^7 + 60*y^8 - 30*y^9 + 6*y^10 - 11*y^4*z + 92*y^5*z - 276*y^6*z + 404*y^7*z - 311*y^8*z + 120*y^9*z - 18*y^10*z - 11*y^3*z^2 + 101*y^4*z^2 - 423*y^5*z^2 + 887*y^6*z^2 - 980*y^7*z^2 + 564*y^8*z^2 - 150*y^9*z^2 + 12*y^10*z^2 + 91*y^2*z^3 - 365*y^3*z^3 + 514*y^4*z^3 + 93*y^5*z^3 - 1020*y^6*z^3 + 1044*y^7*z^3 - 417*y^8*z^3 + 60*y^9*z^3 + 103*y*z^4 - 761*y^2*z^4 + 2090*y^3*z^4 - 2610*y^4*z^4 + 1141*y^5*z^4 + 373*y^6*z^4 - 432*y^7*z^4 + 96*y^8*z^4 + 38*z^5 - 513*y*z^5 + 2132*y^2*z^5 - 4126*y^3*z^5 + 3848*y^4*z^5 - 1503*y^5*z^5 + 132*y^6*z^5 + 24*y^7*z^5 - 124*z^6 + 947*y*z^6 - 2743*y^2*z^6 + 3827*y^3*z^6 - 2517*y^4*z^6 + 744*y^5*z^6 - 102*y^6*z^6 + 152*z^7 - 829*y*z^7 + 1769*y^2*z^7 - 1715*y^3*z^7 + 729*y^4*z^7 - 138*y^5*z^7 - 84*z^8 + 346*y*z^8 - 534*y^2*z^8 + 318*y^3*z^8 - 78*y^4*z^8 + 18*z^9 - 54*y*z^9 + 54*y^2*z^9 - 18*y^3*z^9))/ (2*(-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)^2*(y + z)^3))* G[0, 0, 1, 0, z] + ((-6*y^2 + 36*y^3 - 84*y^4 + 96*y^5 - 54*y^6 + 12*y^7 + 3*y*z + 15*y^2*z - 136*y^3*z + 324*y^4*z - 351*y^5*z + 181*y^6*z - 36*y^7*z + y*z^2 - 49*y^2*z^2 + 198*y^3*z^2 - 352*y^4*z^2 + 317*y^5*z^2 - 131*y^6*z^2 + 16*y^7*z^2 + 4*z^3 - 38*y*z^3 + 132*y^2*z^3 - 165*y^3*z^3 + 127*y^4*z^3 - 88*y^5*z^3 + 28*y^6*z^3 - 10*z^4 + 64*y*z^4 - 146*y^2*z^4 + 85*y^3*z^4 - 11*y^4*z^4 + 2*y^5*z^4 + 8*z^5 - 36*y*z^5 + 60*y^2*z^5 - 20*y^3*z^5 + 4*y^4*z^5 - 2*z^6 + 6*y*z^6 - 6*y^2*z^6 + 2*y^3*z^6)* G[0, 0, 1, 1, y])/((-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)) + (z*(3 - 4*y + 12*y^2 + 7*y^3 - 9*z + 8*y*z - 12*y^2*z + 9*z^2 - 4*y*z^2 - 3*z^3)*G[0, 0, 1 - y, 0, z])/(y^2*(-1 + y + z)) + (3*(-2*y + 4*y^2 - 2*y^3 + z + 6*y*z - 11*y^2*z + 4*y^3*z - 2*z^2 - 4*y*z^2 + 8*y^2*z^2 + z^3)*G[0, 0, 1 - y, 1 - y, z])/ (y*z*(-1 + y + z)) + (((6*I)*Pi*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2))/ (y^2*(-1 + y + z)) - (-14*y^2 + 86*y^3 - 220*y^4 + 300*y^5 - 230*y^6 + 94*y^7 - 16*y^8 - 49*y*z + 340*y^2*z - 886*y^3*z + 1096*y^4*z - 609*y^5*z + 40*y^6*z + 96*y^7*z - 28*y^8*z - 26*z^2 + 418*y*z^2 - 1875*y^2*z^2 + 3671*y^3*z^2 - 3351*y^4*z^2 + 1001*y^5*z^2 + 468*y^6*z^2 - 358*y^7*z^2 + 52*y^8*z^2 + 118*z^3 - 1188*y*z^3 + 4133*y^2*z^3 - 6841*y^3*z^3 + 5573*y^4*z^3 - 1779*y^5*z^3 - 160*y^6*z^3 + 144*y^7*z^3 - 220*z^4 + 1636*y*z^4 - 4537*y^2*z^4 + 6345*y^3*z^4 - 4519*y^4*z^4 + 1389*y^5*z^4 - 94*y^6*z^4 + 212*z^5 - 1201*y*z^5 + 2601*y^2*z^5 - 2903*y^3*z^5 + 1569*y^4*z^5 - 310*y^5*z^5 - 106*z^6 + 450*y*z^6 - 714*y^2*z^6 + 550*y^3*z^6 - 148*y^4*z^6 + 22*z^7 - 66*y*z^7 + 66*y^2*z^7 - 22*y^3*z^7)/(2*(-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)^2))* G[0, 0, -y, 1 - y, z] - ((-12*y^4 + 48*y^5 - 60*y^6 + 60*y^8 - 48*y^9 + 12*y^10 - 30*y^3*z + 188*y^4*z - 312*y^5*z + 80*y^6*z + 310*y^7*z - 408*y^8*z + 208*y^9*z - 36*y^10*z + 34*y^2*z^2 - 74*y^3*z^2 + 242*y^4*z^2 - 870*y^5*z^2 + 1512*y^6*z^2 - 1488*y^7*z^2 + 836*y^8*z^2 - 200*y^9*z^2 + 8*y^10*z^2 + 44*y*z^3 - 394*y^2*z^3 + 1559*y^3*z^3 - 3748*y^4*z^3 + 5184*y^5*z^3 - 4256*y^6*z^3 + 2181*y^7*z^3 - 578*y^8*z^3 + 40*y^9*z^3 + 24*z^4 - 362*y*z^4 + 1935*y^2*z^4 - 5658*y^3*z^4 + 9247*y^4*z^4 - 8475*y^5*z^4 + 4548*y^6*z^4 - 1333*y^7*z^4 + 138*y^8*z^4 - 118*z^5 + 1105*y*z^5 - 4352*y^2*z^5 + 9130*y^3*z^5 - 10440*y^4*z^5 + 6683*y^5*z^5 - 2338*y^6*z^5 + 330*y^7*z^5 + 235*z^6 - 1664*y*z^6 + 4964*y^2*z^6 - 7528*y^3*z^6 + 6087*y^4*z^6 - 2624*y^5*z^6 + 466*y^6*z^6 - 236*z^7 + 1310*y*z^7 - 2916*y^2*z^7 + 3140*y^3*z^7 - 1696*y^4*z^7 + 366*y^5*z^7 + 119*z^8 - 505*y*z^8 + 801*y^2*z^8 - 563*y^3*z^8 + 148*y^4*z^8 - 24*z^9 + 72*y*z^9 - 72*y^2*z^9 + 24*y^3*z^9)*G[0, 1, 0, 0, y])/(2*(-1 + y)^3*y*(-1 + z)* z*(-1 + y + z)^2*(y + z)^3) + ((-1 + 2*y + z)*(-2*y^4 + 8*y^5 - 12*y^6 + 8*y^7 - 2*y^8 + 19*y^3*z - 48*y^4*z + 29*y^5*z + 11*y^6*z - 12*y^7*z + y^8*z + 10*y^2*z^2 - 36*y^3*z^2 - 31*y^4*z^2 + 166*y^5*z^2 - 161*y^6*z^2 + 68*y^7*z^2 - 16*y^8*z^2 + 4*y*z^3 + 25*y^2*z^3 - 266*y^3*z^3 + 695*y^4*z^3 - 753*y^5*z^3 + 398*y^6*z^3 - 116*y^7*z^3 + 13*y^8*z^3 - z^4 + 31*y*z^4 - 290*y^2*z^4 + 955*y^3*z^4 - 1335*y^4*z^4 + 877*y^5*z^4 - 305*y^6*z^4 + 52*y^7*z^4 + 10*z^5 - 132*y*z^5 + 585*y^2*z^5 - 1113*y^3*z^5 + 941*y^4*z^5 - 388*y^5*z^5 + 81*y^6*z^5 - 20*z^6 + 160*y*z^6 - 449*y^2*z^6 + 518*y^3*z^6 - 254*y^4*z^6 + 61*y^5*z^6 + 14*z^7 - 72*y*z^7 + 132*y^2*z^7 - 80*y^3*z^7 + 22*y^4*z^7 - 3*z^8 + 9*y*z^8 - 9*y^2*z^8 + 3*y^3*z^8)*G[0, 1, 0, 0, z])/ ((-1 + y)^3*y^2*(-1 + z)*(-1 + y + z)^2*(y + z)^3) + (((-6*I)*Pi*y)/(-1 + y + z) + (12*y^2 - 84*y^3 + 240*y^4 - 360*y^5 + 300*y^6 - 132*y^7 + 24*y^8 - 6*y*z - 52*y^2*z + 465*y^3*z - 1292*y^4*z + 1768*y^5*z - 1296*y^6*z + 485*y^7*z - 72*y^8*z - 2*z^2 + 72*y*z^2 - 186*y^2*z^2 - 238*y^3*z^2 + 1545*y^4*z^2 - 2449*y^5*z^2 + 1791*y^6*z^2 - 597*y^7*z^2 + 64*y^8*z^2 + 18*z^3 - 285*y*z^3 + 1026*y^2*z^3 - 1483*y^3*z^3 + 559*y^4*z^3 + 740*y^5*z^3 - 771*y^6*z^3 + 196*y^7*z^3 - 46*z^4 + 476*y*z^4 - 1523*y^2*z^4 + 2405*y^3*z^4 - 1793*y^4*z^4 + 457*y^5*z^4 + 24*y^6*z^4 + 50*z^5 - 367*y*z^5 + 933*y^2*z^5 - 1283*y^3*z^5 + 807*y^4*z^5 - 172*y^5*z^5 - 24*z^6 + 122*y*z^6 - 222*y^2*z^6 + 222*y^3*z^6 - 66*y^4*z^6 + 4*z^7 - 12*y*z^7 + 12*y^2*z^7 - 4*y^3*z^7)/(2*(-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)^2))* G[0, 1, 0, 1, y] - ((-1 + 3*y - 3*y^2 + 4*z - 9*y*z + 6*y^2*z - 3*z^2 - 6*y*z^2 + 30*y^2*z^2 - 20*y^3*z^2 - 6*z^3 + 36*y*z^3 - 60*y^2*z^3 + 20*y^3*z^3 + 12*z^4 - 36*y*z^4 + 30*y^2*z^4 - 8*z^5 + 12*y*z^5 + 2*z^6)*G[0, 1, 0, 1 - y, z])/(y^2*z*(-1 + y + z)^2) + (((6*I)*Pi*(-y^3 + y^4 - 2*z + 6*y*z - 6*y^2*z + y^3*z + 8*z^2 - 18*y*z^2 + 12*y^2*z^2 - 12*z^3 + 18*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5))/(y^2*(-1 + y + z)^2) - (-6*y^5 + 12*y^6 - 6*y^7 - 15*y^4*z + 79*y^5*z - 113*y^6*z + 49*y^7*z - 21*y^3*z^2 + 229*y^4*z^2 - 526*y^5*z^2 + 393*y^6*z^2 - 91*y^7*z^2 + 8*y^8*z^2 - 92*y^2*z^3 + 552*y^3*z^3 - 1366*y^4*z^3 + 1352*y^5*z^3 - 524*y^6*z^3 + 72*y^7*z^3 - 102*y*z^4 + 824*y^2*z^4 - 2307*y^3*z^4 + 2798*y^4*z^4 - 1427*y^5*z^4 + 256*y^6*z^4 - 38*z^5 + 576*y*z^5 - 2313*y^2*z^5 + 3671*y^3*z^5 - 2400*y^4*z^5 + 536*y^5*z^5 + 158*z^6 - 1215*y*z^6 + 2903*y^2*z^6 - 2605*y^3*z^6 + 754*y^4*z^6 - 262*z^7 + 1240*y*z^7 - 1736*y^2*z^7 + 710*y^3*z^7 + 218*z^8 - 629*y*z^8 + 414*y^2*z^8 - 92*z^9 + 130*y*z^9 + 16*z^10)/(2*y^2*(-1 + z)*z*(-1 + y + z)^2*(y + z)^3))* G[0, 1, 1, 0, y] + ((-1 + 2*y + z)*(-2*y^3 + 8*y^4 - 8*y^5 - 16*y^6 + 52*y^7 - 58*y^8 + 30*y^9 - 6*y^10 - 6*y^2*z + 30*y^3*z - 49*y^4*z - 28*y^5*z + 222*y^6*z - 344*y^7*z + 253*y^8*z - 90*y^9*z + 12*y^10*z - 6*y*z^2 + 42*y^2*z^2 - 123*y^3*z^2 + 68*y^4*z^2 + 381*y^5*z^2 - 885*y^6*z^2 + 820*y^7*z^2 - 357*y^8*z^2 + 60*y^9*z^2 - 2*z^3 + 26*y*z^3 - 96*y^2*z^3 + 18*y^3*z^3 + 677*y^4*z^3 - 1626*y^5*z^3 + 1645*y^6*z^3 - 800*y^7*z^3 + 158*y^8*z^3 + 6*z^4 - 28*y*z^4 - 100*y^2*z^4 + 896*y^3*z^4 - 2121*y^4*z^4 + 2281*y^5*z^4 - 1206*y^6*z^4 + 272*y^7*z^4 + 2*z^5 - 92*y*z^5 + 640*y^2*z^5 - 1698*y^3*z^5 + 2056*y^4*z^5 - 1188*y^5*z^5 + 296*y^6*z^5 - 22*z^6 + 218*y*z^6 - 738*y^2*z^6 + 1081*y^3*z^6 - 695*y^4*z^6 + 188*y^5*z^6 + 24*z^7 - 142*y*z^7 + 282*y^2*z^7 - 210*y^3*z^7 + 62*y^4*z^7 - 8*z^8 + 24*y*z^8 - 24*y^2*z^8 + 8*y^3*z^8)*G[0, 1, 1, 0, z])/(2*(-1 + y)^3*y^2*z* (-1 + y + z)^2*(y + z)^3) - ((18*y^2 - 18*y^3 - 9*y*z - 45*y^2*z + 36*y^3*z + 6*z^2 - y*z^2 + 26*y^2*z^2 - 12*z^3 + 10*y*z^3 + 6*z^4)* G[0, 1, 1, 1, y])/(2*y^2*z) - ((-1 + 3*y - 3*y^2 + 4*z - 9*y*z + 6*y^2*z - 3*z^2 - 6*y*z^2 + 30*y^2*z^2 - 20*y^3*z^2 - 6*z^3 + 36*y*z^3 - 60*y^2*z^3 + 20*y^3*z^3 + 12*z^4 - 36*y*z^4 + 30*y^2*z^4 - 8*z^5 + 12*y*z^5 + 2*z^6)*G[0, 1, 1 - y, 0, z])/(y^2*z*(-1 + y + z)^2) + (z*(3 - 4*y + 12*y^2 + 7*y^3 - 9*z + 8*y*z - 12*y^2*z + 9*z^2 - 4*y*z^2 - 3*z^3)*G[0, 1 - y, 0, 0, z])/(y^2*(-1 + y + z)) + (3*(-2*y + 4*y^2 - 2*y^3 + z + 6*y*z - 11*y^2*z + 4*y^3*z - 2*z^2 - 4*y*z^2 + 8*y^2*z^2 + z^3)*G[0, 1 - y, 0, 1 - y, z])/ (y*z*(-1 + y + z)) + (((12*I)*Pi*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(y^2*(-1 + y + z)^2) - (-6*y^5 + 30*y^6 - 60*y^7 + 60*y^8 - 30*y^9 + 6*y^10 - 11*y^4*z + 86*y^5*z - 246*y^6*z + 344*y^7*z - 251*y^8*z + 90*y^9*z - 12*y^10*z - 15*y^3*z^2 + 207*y^4*z^2 - 833*y^5*z^2 + 1563*y^6*z^2 - 1564*y^7*z^2 + 854*y^8*z^2 - 240*y^9*z^2 + 28*y^10*z^2 + 79*y^2*z^3 - 219*y^3*z^3 - 408*y^4*z^3 + 2387*y^5*z^3 - 3770*y^6*z^3 + 2812*y^7*z^3 - 1061*y^8*z^3 + 180*y^9*z^3 + 91*y*z^4 - 587*y^2*z^4 + 856*y^3*z^4 + 1192*y^4*z^4 - 4333*y^5*z^4 + 4397*y^6*z^4 - 2056*y^7*z^4 + 440*y^8*z^4 + 34*z^5 - 409*y*z^5 + 1204*y^2*z^5 - 556*y^3*z^5 - 2282*y^4*z^5 + 3503*y^5*z^5 - 1986*y^6*z^5 + 524*y^7*z^5 - 96*z^6 + 591*y*z^6 - 957*y^2*z^6 - 67*y^3*z^6 + 1177*y^4*z^6 - 854*y^5*z^6 + 302*y^6*z^6 + 100*z^7 - 397*y*z^7 + 453*y^2*z^7 - 115*y^3*z^7 + 5*y^4*z^7 + 50*y^5*z^7 - 48*z^8 + 154*y*z^8 - 174*y^2*z^8 + 126*y^3*z^8 - 26*y^4*z^8 + 10*z^9 - 30*y*z^9 + 30*y^2*z^9 - 10*y^3*z^9)/(2*(-1 + y)^3*y^2*z*(-1 + y + z)^2* (y + z)^3))*G[0, 1 - y, 1, 0, z] + (3*(-2*y + 4*y^2 - 2*y^3 + z + 6*y*z - 11*y^2*z + 4*y^3*z - 2*z^2 - 4*y*z^2 + 8*y^2*z^2 + z^3)*G[0, 1 - y, 1 - y, 0, z])/ (y*z*(-1 + y + z)) + ((18*y^2 - 18*y^3 - 9*y*z - 45*y^2*z + 36*y^3*z + 6*z^2 - y*z^2 + 26*y^2*z^2 - 12*z^3 + 10*y*z^3 + 6*z^4)* G[0, 1 - y, 1 - y, 1 - y, z])/(2*y^2*z) + (((-6*I)*Pi*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2))/ (y^2*(-1 + y + z)) + (-2 + 12*y - 56*y^2 + 198*y^3 - 430*y^4 + 552*y^5 - 412*y^6 + 166*y^7 - 28*y^8 + 10*z - 97*y*z + 496*y^2*z - 1334*y^3*z + 1976*y^4*z - 1649*y^5*z + 748*y^6*z - 160*y^7*z + 10*y^8*z - 34*z^2 + 418*y*z^2 - 1857*y^2*z^2 + 3913*y^3*z^2 - 4237*y^4*z^2 + 2213*y^5*z^2 - 318*y^6*z^2 - 132*y^7*z^2 + 34*y^8*z^2 + 78*z^3 - 912*y*z^3 + 3383*y^2*z^3 - 5927*y^3*z^3 + 5237*y^4*z^3 - 2055*y^5*z^3 + 118*y^6*z^3 + 78*y^7*z^3 - 110*z^4 + 1072*y*z^4 - 3289*y^2*z^4 + 4879*y^3*z^4 - 3619*y^4*z^4 + 1155*y^5*z^4 - 88*y^6*z^4 + 94*z^5 - 697*y*z^5 + 1719*y^2*z^5 - 2101*y^3*z^5 + 1185*y^4*z^5 - 232*y^5*z^5 - 46*z^6 + 234*y*z^6 - 426*y^2*z^6 + 382*y^3*z^6 - 112*y^4*z^6 + 10*z^7 - 30*y*z^7 + 30*y^2*z^7 - 10*y^3*z^7)/(2*(-1 + y)^3*y^2*(-1 + z)*z* (-1 + y + z)^2))*G[0, 1 - y, -y, 1 - y, z] + ((18*y^2 - 52*y^3 + 54*y^4 - 18*y^5 - 11*y*z - 61*y^2*z + 187*y^3*z - 153*y^4*z + 36*y^5*z + 6*z^2 + 33*y*z^2 + 66*y^2*z^2 - 195*y^3*z^2 + 90*y^4*z^2 - 24*z^3 - 30*y*z^3 - 30*y^2*z^3 + 62*y^3*z^3 + 36*z^4 + 6*y*z^4 + 4*y^2*z^4 - 24*z^5 + 2*y*z^5 + 6*z^6)*G[0, -y, 0, 1 - y, z])/(2*y^2*z*(-1 + y + z)^2) + ((18*y^2 - 52*y^3 + 54*y^4 - 18*y^5 - 11*y*z - 61*y^2*z + 187*y^3*z - 153*y^4*z + 36*y^5*z + 6*z^2 + 33*y*z^2 + 66*y^2*z^2 - 195*y^3*z^2 + 90*y^4*z^2 - 24*z^3 - 30*y*z^3 - 30*y^2*z^3 + 62*y^3*z^3 + 36*z^4 + 6*y*z^4 + 4*y^2*z^4 - 24*z^5 + 2*y*z^5 + 6*z^6)*G[0, -y, 1 - y, 0, z])/(2*y^2*z*(-1 + y + z)^2) + (((6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/y^2 - (y^3 - 4*y^4 + 6*y^5 - 4*y^6 + y^7 + 24*y^2*z - 126*y^3*z + 237*y^4*z - 195*y^5*z + 63*y^6*z - 3*y^7*z + 45*y*z^2 - 258*y^2*z^2 + 577*y^3*z^2 - 653*y^4*z^2 + 384*y^5*z^2 - 97*y^6*z^2 + 2*y^7*z^2 + 20*z^3 - 248*y*z^3 + 781*y^2*z^3 - 1017*y^3*z^3 + 639*y^4*z^3 - 197*y^5*z^3 + 22*y^6*z^3 - 60*z^4 + 421*y*z^4 - 961*y^2*z^4 + 867*y^3*z^4 - 349*y^4*z^4 + 50*y^5*z^4 + 60*z^5 - 278*y*z^5 + 474*y^2*z^5 - 306*y^3*z^5 + 82*y^4*z^5 - 20*z^6 + 60*y*z^6 - 60*y^2*z^6 + 20*y^3*z^6)/(2*(-1 + y)^3*y^2* (-1 + z)*z^2))*G[0, -y, 1 - y, 1 - y, z] + (((6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/y^2 - (y^3 - 6*y^4 + 15*y^5 - 20*y^6 + 15*y^7 - 6*y^8 + y^9 + 18*y^2*z - 124*y^3*z + 349*y^4*z - 521*y^5*z + 442*y^6*z - 208*y^7*z + 47*y^8*z - 3*y^9*z + 14*y*z^2 - 208*y^2*z^2 + 937*y^3*z^2 - 2027*y^4*z^2 + 2414*y^5*z^2 - 1626*y^6*z^2 + 585*y^7*z^2 - 91*y^8*z^2 + 2*y^9*z^2 + 26*z^3 - 242*y*z^3 + 1152*y^2*z^3 - 3024*y^3*z^3 + 4562*y^4*z^3 - 4020*y^5*z^3 + 2002*y^6*z^3 - 498*y^7*z^3 + 42*y^8*z^3 - 130*z^4 + 909*y*z^4 - 2886*y^2*z^4 + 5065*y^3*z^4 - 5208*y^4*z^4 + 3130*y^5*z^4 - 1010*y^6*z^4 + 130*y^7*z^4 + 260*z^5 - 1492*y*z^5 + 3619*y^2*z^5 - 4565*y^3*z^5 + 3178*y^4*z^5 - 1188*y^5*z^5 + 188*y^6*z^5 - 260*z^6 + 1233*y*z^6 - 2337*y^2*z^6 + 2120*y^3*z^6 - 950*y^4*z^6 + 178*y^5*z^6 + 130*z^7 - 500*y*z^7 + 720*y^2*z^7 - 436*y^3*z^7 + 102*y^4*z^7 - 26*z^8 + 78*y*z^8 - 78*y^2*z^8 + 26*y^3*z^8)/(2*(-1 + y)^3*y^2* (-1 + z)*z^2*(-1 + y + z)^2))*G[0, -y, -y, 1 - y, z] - ((-18*y + 36*y^2 - 18*y^3 + 81*y*z - 117*y^2*z + 36*y^3*z + 14*z^2 - 129*y*z^2 + 82*y^2*z^2 - 28*z^3 + 66*y*z^3 + 14*z^4)* G[1, 0, 0, 0, y])/(2*z*(-1 + y + z)^2) + ((-1 + z)*z*(-1 + 2*y + z)*(3 - 19*y + 19*y^2 - 6*z + 19*y*z + 3*z^2)* G[1, 0, 0, 0, z])/(y^2*(-1 + y + z)^2) + (((-6*I)*Pi*(-y + 3*y^2 - 3*y^3 + y^4 - 2*z + 9*y*z - 12*y^2*z + 3*y^3*z + 8*z^2 - 21*y*z^2 + 15*y^2*z^2 - 12*z^3 + 19*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5))/(y^2*(-1 + y + z)^2) - (-6*y^2 + 30*y^3 - 60*y^4 + 60*y^5 - 30*y^6 + 6*y^7 - 12*y*z + 124*y^2*z - 425*y^3*z + 700*y^4*z - 610*y^5*z + 272*y^6*z - 49*y^7*z - 14*z^2 + 150*y*z^2 - 656*y^2*z^2 + 1442*y^3*z^2 - 1731*y^4*z^2 + 1137*y^5*z^2 - 363*y^6*z^2 + 27*y^7*z^2 + 8*y^8*z^2 + 50*z^3 - 405*y*z^3 + 1266*y^2*z^3 - 2072*y^3*z^3 + 1869*y^4*z^3 - 869*y^5*z^3 + 169*y^6*z^3 - 8*y^7*z^3 - 72*z^4 + 488*y*z^4 - 1219*y^2*z^4 + 1601*y^3*z^4 - 1112*y^4*z^4 + 338*y^5*z^4 - 24*y^6*z^4 + 56*z^5 - 319*y*z^5 + 665*y^2*z^5 - 734*y^3*z^5 + 380*y^4*z^5 - 64*y^5*z^5 - 26*z^6 + 116*y*z^6 - 192*y^2*z^6 + 164*y^3*z^6 - 46*y^4*z^6 + 6*z^7 - 18*y*z^7 + 18*y^2*z^7 - 6*y^3*z^7)/(2*(-1 + y)^3*y^2*(-1 + z)*z* (-1 + y + z)^2))*G[1, 0, 0, 1, y] + (((12*I)*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 - ((-1 + z)*(-1 + 3*y - 3*y^2 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 7*y*z^2 - 15*y^2*z^2 + 2*y^3*z^2 + z^3 - 8*y*z^3 + 15*y^2*z^3 + 4*y*z^4))/(y^2*z*(-1 + y + z)^2))*G[1, 0, 0, 1 - y, z] + (((6*I)*Pi*(-1 + y + z))/y + (-12*y^5 + 48*y^6 - 60*y^7 + 24*y^8 - 17*y^4*z + 143*y^5*z - 337*y^6*z + 283*y^7*z - 72*y^8*z + 91*y^3*z^2 - 255*y^4*z^2 - 106*y^5*z^2 + 713*y^6*z^2 - 491*y^7*z^2 + 64*y^8*z^2 + 137*y^2*z^3 - 1083*y^3*z^3 + 1979*y^4*z^3 - 551*y^5*z^3 - 820*y^6*z^3 + 316*y^7*z^3 + 91*y*z^4 - 1145*y^2*z^4 + 4053*y^3*z^4 - 4373*y^4*z^4 + 758*y^5*z^4 + 444*y^6*z^4 + 18*z^5 - 506*y*z^5 + 3226*y^2*z^5 - 6508*y^3*z^5 + 3892*y^4*z^5 - 216*y^5*z^5 - 62*z^6 + 1057*y*z^6 - 4172*y^2*z^6 + 4783*y^3*z^6 - 1226*y^4*z^6 + 76*z^7 - 1068*y*z^7 + 2582*y^2*z^7 - 1336*y^3*z^7 - 36*z^8 + 534*y*z^8 - 628*y^2*z^8 + 2*z^9 - 108*y*z^9 + 2*z^10)/(2*y^2*(-1 + z)*z*(-1 + y + z)^2* (y + z)^3))*G[1, 0, 1, 0, y] + (((-12*I)*Pi*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/(y^2*(-1 + y + z)^2) + ((-1 + z)*(-1 + 2*y + z)* (-5*y - y^2 + 12*y^3 - 6*y^4 - 8*z + 15*y*z + 14*y^2*z - 36*y^3*z + 12*y^4*z + 20*z^2 - 17*y*z^2 - 23*y^2*z^2 + 24*y^3*z^2 - 30*z^3 + 3*y*z^3 + 16*y^2*z^3 + 32*z^4 + 4*y*z^4 - 14*z^5))/(2*y^2*z^2*(-1 + y + z)^2))*G[1, 0, 1, 0, z] - ((-24*y^5 + 108*y^6 - 192*y^7 + 168*y^8 - 72*y^9 + 12*y^10 + 72*y^2*z - 356*y^3*z + 646*y^4*z - 318*y^5*z - 606*y^6*z + 1130*y^7*z - 804*y^8*z + 272*y^9*z - 36*y^10*z + 56*y*z^2 - 504*y^2*z^2 + 1494*y^3*z^2 - 1718*y^4*z^2 - 190*y^5*z^2 + 2590*y^6*z^2 - 2800*y^7*z^2 + 1304*y^8*z^2 - 240*y^9*z^2 + 8*y^10*z^2 + 16*z^3 - 268*y*z^3 + 1218*y^2*z^3 - 2146*y^3*z^3 + 667*y^4*z^3 + 3097*y^5*z^3 - 4949*y^6*z^3 + 3083*y^7*z^3 - 758*y^8*z^3 + 40*y^9*z^3 - 56*z^4 + 450*y*z^4 - 1146*y^2*z^4 + 555*y^3*z^4 + 2522*y^4*z^4 - 5394*y^5*z^4 + 4478*y^6*z^4 - 1515*y^7*z^4 + 138*y^8*z^4 + 56*z^5 - 216*y*z^5 - 91*y^2*z^5 + 1786*y^3*z^5 - 4072*y^4*z^5 + 4316*y^5*z^5 - 2009*y^6*z^5 + 294*y^7*z^5 + 12*z^6 - 225*y*z^6 + 1024*y^2*z^6 - 2204*y^3*z^6 + 2744*y^4*z^6 - 1691*y^5*z^6 + 340*y^6*z^6 - 54*z^7 + 323*y*z^7 - 777*y^2*z^7 + 1071*y^3*z^7 - 831*y^4*z^7 + 204*y^5*z^7 + 32*z^8 - 138*y*z^8 + 222*y^2*z^8 - 206*y^3*z^8 + 58*y^4*z^8 - 6*z^9 + 18*y*z^9 - 18*y^2*z^9 + 6*y^3*z^9)*G[1, 0, 1, 1, y])/ (2*(-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)*(y + z)^3) + (((12*I)*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 - ((-1 + z)*(-1 + 3*y - 3*y^2 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 7*y*z^2 - 15*y^2*z^2 + 2*y^3*z^2 + z^3 - 8*y*z^3 + 15*y^2*z^3 + 4*y*z^4))/(y^2*z*(-1 + y + z)^2))*G[1, 0, 1 - y, 0, z] + ((-1 + z)*(-4*y + 2*y^2 + 9*y^3 - 6*y^4 - 8*z + 22*y*z + 2*y^2*z - 27*y^3*z + 12*y^4*z + 20*z^2 - 28*y*z^2 - 10*y^2*z^2 + 18*y^3*z^2 - 16*z^3 + 26*y*z^3 - 34*y^2*z^3 + 4*z^4 - 16*y*z^4)* G[1, 0, 1 - y, 1 - y, z])/(2*y^2*z^2*(-1 + y + z)) + (((6*I)*Pi*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2))/ (y^2*(-1 + y + z)) - (7*y - 17*y^2 + 7*y^3 + 5*y^4 - 2*y^5 + 16*z - 72*y*z + 71*y^2*z + 28*y^3*z - 75*y^4*z + 28*y^5*z - 72*z^2 + 197*y*z^2 - 82*y^2*z^2 - 138*y^3*z^2 + 125*y^4*z^2 - 22*y^5*z^2 + 134*z^3 - 302*y*z^3 + 170*y^2*z^3 + 108*y^3*z^3 - 125*y^4*z^3 + 28*y^5*z^3 - 150*z^4 + 433*y*z^4 - 473*y^2*z^4 + 51*y^3*z^4 + 70*y^4*z^4 + 140*z^5 - 524*y*z^5 + 511*y^2*z^5 - 56*y^3*z^5 - 116*z^6 + 355*y*z^6 - 180*y^2*z^6 + 62*z^7 - 94*y*z^7 - 14*z^8)/ (2*y^2*(-1 + z)*z^2*(-1 + y + z)^2))*G[1, 0, -y, 1 - y, z] + ((-6*y^4 + 24*y^5 - 30*y^6 + 12*y^7 - 14*y^3*z + 96*y^4*z - 201*y^5*z + 155*y^6*z - 36*y^7*z + 20*y^2*z^2 + 44*y^3*z^2 - 383*y^4*z^2 + 545*y^5*z^2 - 233*y^6*z^2 + 16*y^7*z^2 + 25*y*z^3 - 143*y^2*z^3 - 99*y^3*z^3 + 713*y^4*z^3 - 562*y^5*z^3 + 84*y^6*z^3 + 13*z^4 - 161*y*z^4 + 378*y^2*z^4 + 143*y^3*z^4 - 574*y^4*z^4 + 170*y^5*z^4 - 62*z^5 + 386*y*z^5 - 496*y^2*z^5 - 80*y^3*z^5 + 146*y^4*z^5 + 121*z^6 - 448*y*z^6 + 323*y^2*z^6 + 6*y^3*z^6 - 120*z^7 + 254*y*z^7 - 82*y^2*z^7 + 60*z^8 - 56*y*z^8 - 12*z^9)* G[1, 1, 0, 0, y])/(y*(-1 + z)*z*(-1 + y + z)^2*(y + z)^3) + (((-12*I)*Pi*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/(y^2*(-1 + y + z)^2) - ((-1 + z)*(-1 + 2*y + z)* (-1 + y - y^2 + 2*z + y*z - 2*y^2*z + 9*z^2 - 3*y*z^2 + y^2*z^2 - 20*z^3 + y*z^3 + 10*z^4))/(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 - 2*z + 9*y*z - 12*y^2*z + 7*y^3*z + 8*z^2 - 21*y*z^2 + 15*y^2*z^2 - 4*y^3*z^2 - 12*z^3 + 19*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5))/(y^2*(-1 + y + z)^2) - (3*y^5 - 24*y^6 + 75*y^7 - 120*y^8 + 105*y^9 - 48*y^10 + 9*y^11 + 36*y^2*z - 214*y^3*z + 546*y^4*z - 838*y^5*z + 1012*y^6*z - 1141*y^7*z + 1054*y^8*z - 636*y^9*z + 208*y^10*z - 27*y^11*z + 28*y*z^2 - 316*y^2*z^2 + 1233*y^3*z^2 - 2589*y^4*z^2 + 3751*y^5*z^2 - 4475*y^6*z^2 + 4367*y^7*z^2 - 2989*y^8*z^2 + 1211*y^9*z^2 - 231*y^10*z^2 + 10*y^11*z^2 + 8*z^3 - 170*y*z^3 + 1043*y^2*z^3 - 3160*y^3*z^3 + 6182*y^4*z^3 - 9094*y^5*z^3 + 10108*y^6*z^3 - 7741*y^7*z^3 + 3642*y^8*z^3 - 889*y^9*z^3 + 71*y^10*z^3 - 36*z^4 + 420*y*z^4 - 1970*y^2*z^4 + 5553*y^3*z^4 - 10882*y^4*z^4 + 14722*y^5*z^4 - 12948*y^6*z^4 + 6943*y^7*z^4 - 2035*y^8*z^4 + 233*y^9*z^4 + 67*z^5 - 634*y*z^5 + 2880*y^2*z^5 - 8041*y^3*z^5 + 14008*y^4*z^5 - 14736*y^5*z^5 + 9069*y^6*z^5 - 3077*y^7*z^5 + 448*y^8*z^5 - 81*z^6 + 801*y*z^6 - 3569*y^2*z^6 + 8538*y^3*z^6 - 11288*y^4*z^6 + 8205*y^5*z^6 - 3188*y^6*z^6 + 550*y^7*z^6 + 90*z^7 - 852*y*z^7 + 3107*y^2*z^7 - 5511*y^3*z^7 + 4959*y^4*z^7 - 2239*y^5*z^7 + 446*y^6*z^7 - 82*z^8 + 588*y*z^8 - 1550*y^2*z^8 + 1849*y^3*z^8 - 1007*y^4*z^8 + 234*y^5*z^8 + 43*z^9 - 208*y*z^9 + 366*y^2*z^9 - 256*y^3*z^9 + 71*y^4*z^9 - 9*z^10 + 27*y*z^10 - 27*y^2*z^10 + 9*y^3*z^10)/((-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)^2*(y + z)^3))* G[1, 1, 0, 1, y] + (((12*I)*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 + ((-1 + z)*z*(-2 + 11*y - 27*y^2 + 28*y^3 + 6*z - 22*y*z + 27*y^2*z - 6*z^2 + 11*y*z^2 + 2*z^3))/(y^2*(-1 + y + z)^2))* G[1, 1, 0, 1 - y, z] + (((-6*I)*Pi*(-1 + y + z))/y - (15*y - 61*y^2 + 77*y^3 - 31*y^4 - 150*y*z + 413*y^2*z - 294*y^3*z + y^4*z + 24*y^5*z + 12*z^2 + 423*y*z^2 - 864*y^2*z^2 + 363*y^3*z^2 + 30*y^4*z^2 - 42*z^3 - 534*y*z^3 + 742*y^2*z^3 - 146*y^3*z^3 + 54*z^4 + 324*y*z^4 - 230*y^2*z^4 - 30*z^5 - 78*y*z^5 + 6*z^6)/(2*y^2*(-1 + z)*(-1 + y + z)^2))* G[1, 1, 1, 0, y] + G[-y, z]* ((-((Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + z^3 - z^4))/(y^2*z^2)) + (I*Pi*(6*y^2 - 6*y^3 - 5*y*z - 13*y^2*z + 10*y^3*z + 2*z^2 + 7*y*z^2 + 6*y^2*z^2 - 4*z^3 - 2*y*z^3 + 2*z^4))/(y^2*z) + (-2*y^2 + 15*y^3 - 37*y^4 + 38*y^5 - 12*y^6 - 5*y^7 + 3*y^8 - 6*y*z + 98*y^2*z - 365*y^3*z + 606*y^4*z - 520*y^5*z + 230*y^6*z - 45*y^7*z + 2*y^8*z - 4*z^2 - 18*y*z^2 - 114*y^2*z^2 + 755*y^3*z^2 - 1449*y^4*z^2 + 1299*y^5*z^2 - 565*y^6*z^2 + 96*y^7*z^2 + 62*z^3 - 96*y*z^3 + 172*y^2*z^3 - 839*y^3*z^3 + 1470*y^4*z^3 - 1003*y^5*z^3 + 234*y^6*z^3 - 200*z^4 + 526*y*z^4 - 696*y^2*z^4 + 896*y^3*z^4 - 726*y^4*z^4 + 200*y^5*z^4 + 272*z^5 - 754*y*z^5 + 880*y^2*z^5 - 536*y^3*z^5 + 106*y^4*z^5 - 172*z^6 + 432*y*z^6 - 380*y^2*z^6 + 88*y^3*z^6 + 42*z^7 - 84*y*z^7 + 42*y^2*z^7)/(4*(-1 + y)^2*y^2*z^2* (-1 + y + z)^2))*G[0, 1, y] + ((Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 4*z^3 - 4*z^4))/ (2*y^2*z^2) + (I*Pi*(y^2 - y^3 - 5*y^2*z + 2*y^3*z + 12*z^2 - 6*y*z^2 - 4*y^2*z^2 - 24*z^3 + 6*y*z^3 + 12*z^4))/(y*z^2) + (-2*y^2 + 28*y^3 - 66*y^4 + 57*y^5 - 17*y^6 - 6*y*z + 30*y^2*z - 176*y^3*z + 296*y^4*z - 167*y^5*z + 20*y^6*z - 4*z^2 + 159*y*z^2 - 435*y^2*z^2 + 588*y^3*z^2 - 342*y^4*z^2 + 32*y^5*z^2 + 26*z^3 - 609*y*z^3 + 1204*y^2*z^3 - 804*y^3*z^3 + 112*y^4*z^3 - 52*z^4 + 897*y*z^4 - 1177*y^2*z^4 + 344*y^3*z^4 + 42*z^5 - 577*y*z^5 + 380*y^2*z^5 - 12*z^6 + 136*y*z^6)/ (4*y^2*z^2*(-1 + y + z)^2))*G[1, 0, y] + (-1/2*(Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4))/ (y^2*z^2) - (I*Pi*(y^3 - y^4 - 2*y^2*z - 7*y^3*z + 2*y^4*z + 15*y*z^2 + y^2*z^2 - 6*y^3*z^2 - 2*z^3 - 21*y*z^3 + 4*z^4 + 6*y*z^4 - 2*z^5))/(y^2*z^2) + (-4*y^4 + 14*y^5 - 33*y^6 + 56*y^7 - 49*y^8 + 16*y^9 - 20*y^3*z + 51*y^4*z - 27*y^5*z + 26*y^6*z - 75*y^7*z + 45*y^8*z + 36*y^2*z^2 - 164*y^3*z^2 + 364*y^4*z^2 - 302*y^5*z^2 + 6*y^6*z^2 + 60*y^7*z^2 + 28*y*z^3 - 236*y^2*z^3 + 664*y^3*z^3 - 653*y^4*z^3 + 140*y^5*z^3 + 25*y^6*z^3 + 8*z^4 - 94*y*z^4 + 393*y^2*z^4 - 534*y^3*z^4 + 183*y^4*z^4 - 52*y^5*z^4 + 5*z^5 + 19*y*z^5 - 80*y^2*z^5 + 5*y^3*z^5 - 45*y^4*z^5 - 36*z^6 + 96*y*z^6 - 116*y^2*z^6 + 24*y^3*z^6 + 23*z^7 - 46*y*z^7 + 23*y^2*z^7)/(2*(-1 + y)^2*y^2* z^2*(y + z)^2))*G[1, 1, y] - ((-6*y^4 + 8*y^5 - 2*y^6 - 12*y^2*z + 14*y^3*z - 6*y^4*z - 4*y^5*z + 4*y^6*z + 10*y*z^2 + 28*y^2*z^2 - 89*y^3*z^2 + 65*y^4*z^2 - 10*y^5*z^2 - 4*z^3 - 34*y*z^3 - 12*y^2*z^3 + 97*y^3*z^3 - 34*y^4*z^3 + 16*z^4 + 39*y*z^4 - 3*y^2*z^4 - 24*y^3*z^4 - 24*z^5 - 17*y*z^5 + 2*y^2*z^5 + 16*z^6 + 2*y*z^6 - 4*z^7)* G[0, 0, 1, y])/(2*y^2*z^2*(-1 + y + z)^2) + (((6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (y^2*z^2) - (-16*y^6 + 34*y^7 - 24*y^8 + 6*y^9 - 16*y^5*z + 48*y^6*z - 48*y^7*z + 12*y^8*z + 2*y^9*z + 38*y^4*z^2 - 174*y^5*z^2 + 239*y^6*z^2 - 145*y^7*z^2 + 38*y^8*z^2 - 16*y^3*z^3 - 230*y^4*z^3 + 697*y^5*z^3 - 594*y^6*z^3 + 168*y^7*z^3 + 40*y^2*z^4 - 148*y^3*z^4 + 672*y^4*z^4 - 861*y^5*z^4 + 316*y^6*z^4 + 68*y*z^5 - 302*y^2*z^5 + 496*y^3*z^5 - 596*y^4*z^5 + 284*y^5*z^5 + 38*z^6 - 320*y*z^6 + 601*y^2*z^6 - 387*y^3*z^6 + 136*y^4*z^6 - 124*z^7 + 495*y*z^7 - 450*y^2*z^7 + 104*y^3*z^7 + 152*z^8 - 325*y*z^8 + 132*y^2*z^8 - 84*z^9 + 82*y*z^9 + 18*z^10)/(2*y^2*z^2*(-1 + y + z)^2* (y + z)^3))*G[0, 1, 0, y] + (((-6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/z^2 + (7*y^3 - 14*y^4 + 7*y^5 + 6*y^2*z - 44*y^3*z + 38*y^4*z - 7*y*z^2 - 10*y^2*z^2 + 50*y^3*z^2 - 10*y^4*z^2 + 2*z^3 + 18*y*z^3 - 16*y^3*z^3 + 2*z^4 - 25*y*z^4 - 6*z^5 + 8*y*z^5 + 2*z^6)/(2*y^2*z^2*(-1 + y + z)))*G[0, 1, 1, y] + ((-2*y^2 + 2*y^4 - 8*y^2*z - 2*y^3*z + 6*y^4*z - 24*z^2 + 52*y*z^2 - 23*y^2*z^2 - 17*y^3*z^2 + 16*y^4*z^2 + 94*z^3 - 160*y*z^3 + 55*y^2*z^3 + 30*y^3*z^3 - 141*z^4 + 173*y*z^4 - 24*y^2*z^4 + 95*z^5 - 62*y*z^5 - 24*z^6)*G[1, 0, 0, y])/ (2*y*z^2*(-1 + y + z)^2) + (((-6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/ z^2 + (-7*y^3 + 13*y^4 - 10*y^5 + 4*y^6 - 6*y^2*z + 29*y^3*z - 54*y^4*z + 20*y^5*z + 6*y^6*z + 5*y*z^2 + 11*y^2*z^2 - 73*y^3*z^2 + 55*y^4*z^2 + 8*y^5*z^2 - 2*z^3 - 17*y*z^3 - 8*y^2*z^3 + 79*y^3*z^3 + 4*y^4*z^3 + 16*z^4 - 9*y*z^4 + 49*y^2*z^4 - 16*y^3*z^4 - 30*z^5 + 29*y*z^5 - 22*y^2*z^5 + 20*z^6 - 8*y*z^6 - 4*z^7)/(2*y^2*z^2*(-1 + y + z)^2))* G[1, 0, 1, y] + (((6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/(y^2*z^2) - (-15*y^6 + 27*y^7 - 16*y^8 + 4*y^9 - 13*y^5*z + 2*y^6*z + 10*y^7*z - 12*y^8*z + 6*y^9*z + 53*y^4*z^2 - 308*y^5*z^2 + 425*y^6*z^2 - 245*y^7*z^2 + 60*y^8*z^2 + 21*y^3*z^3 - 474*y^4*z^3 + 1091*y^5*z^3 - 838*y^6*z^3 + 234*y^7*z^3 + 76*y^2*z^4 - 427*y^3*z^4 + 1258*y^4*z^4 - 1285*y^5*z^4 + 454*y^6*z^4 + 80*y*z^5 - 472*y^2*z^5 + 1038*y^3*z^5 - 1116*y^4*z^5 + 484*y^5*z^5 + 38*z^6 - 356*y*z^6 + 855*y^2*z^6 - 783*y^3*z^6 + 328*y^4*z^6 - 120*z^7 + 525*y*z^7 - 598*y^2*z^7 + 218*y^3*z^7 + 142*z^8 - 331*y*z^8 + 166*y^2*z^8 - 76*z^9 + 82*y*z^9 + 16*z^10)/ (2*y^2*z^2*(-1 + y + z)^2*(y + z)^3))*G[1, 1, 0, y] + ((3*y^3 - 3*y^4 - 10*y^2*z - 13*y^3*z + 6*y^4*z + 45*y*z^2 + 11*y^2*z^2 - 26*y^3*z^2 - 6*z^3 - 71*y*z^3 + 12*z^4 + 26*y*z^4 - 6*z^5)*G[1, 1, 1, y])/(2*y^2*z^2) + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[0, 0, 1, 0, y])/ (y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[0, 0, 1, 1, y])/z^2 - (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[0, 1, 0, 0, y])/ (y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[0, 1, 0, 1, y])/z^2 + (3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[0, 1, 1, 0, y])/ (y^2*z^2) + (9*y*(-1 + y + z)*(-1 + 2*z)*G[0, 1, 1, 1, y])/z^2 - (3*(-1 + y + z)*(y + z)*(-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3)*G[1, 0, 0, 1, y])/(y^2*z^2) - (3*(-1 + y + z)*(-2*y^3 + 4*y^3*z + y*z^2 + 6*z^3 - 6*z^4)* G[1, 0, 1, 0, y])/(y^2*z^2) + (3*(-1 + y + z)*(-4*y^3 + 8*y^3*z + y*z^2 + 2*z^3 - 2*z^4)*G[1, 0, 1, 1, y])/(y^2*z^2) - (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1, 1, 0, 0, y])/ (y^2*z^2) + (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)*G[1, 1, 0, 1, y])/(y^2*z^2) + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1, 1, 1, 0, y])/y^2) + (((-12*I)*Pi*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/(y^2*(-1 + y + z)^2) - ((-1 + z)*(-1 + 2*y + z)* (-5*y - y^2 + 12*y^3 - 6*y^4 - 8*z + 15*y*z + 14*y^2*z - 36*y^3*z + 12*y^4*z + 20*z^2 - 13*y*z^2 - 27*y^2*z^2 + 24*y^3*z^2 + 12*z^3 - 55*y*z^3 + 70*y^2*z^3 - 52*z^4 + 58*y*z^4 + 28*z^5))/(2*y^2*z^2*(-1 + y + z)^2))*G[1, 1, 1, 0, z] + (((12*I)*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 + ((-1 + z)*z*(-2 + 11*y - 27*y^2 + 28*y^3 + 6*z - 22*y*z + 27*y^2*z - 6*z^2 + 11*y*z^2 + 2*z^3))/(y^2*(-1 + y + z)^2))* G[1, 1, 1 - y, 0, z] + (((12*I)*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 - ((-1 + z)*(-1 + 3*y - 3*y^2 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 7*y*z^2 - 15*y^2*z^2 + 2*y^3*z^2 + z^3 - 8*y*z^3 + 15*y^2*z^3 + 4*y*z^4))/(y^2*z*(-1 + y + z)^2))*G[1, 1 - y, 0, 0, z] + ((-1 + z)*(-4*y + 2*y^2 + 9*y^3 - 6*y^4 - 8*z + 22*y*z + 2*y^2*z - 27*y^3*z + 12*y^4*z + 20*z^2 - 28*y*z^2 - 10*y^2*z^2 + 18*y^3*z^2 - 16*z^3 + 26*y*z^3 - 34*y^2*z^3 + 4*z^4 - 16*y*z^4)* G[1, 1 - y, 0, 1 - y, z])/(2*y^2*z^2*(-1 + y + z)) + (((12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((-1 + z)*(-3*y + 3*y^2 - 8*z + 32*y*z - 29*y^2*z + 28*z^2 - 70*y*z^2 + 41*y^2*z^2 - 56*z^3 + 130*y*z^3 - 121*y^2*z^3 + 56*y^3*z^3 + 80*z^4 - 163*y*z^4 + 106*y^2*z^4 - 64*z^5 + 74*y*z^5 + 20*z^6))/(2*y^2*z^2*(-1 + y + z)^2))* G[1, 1 - y, 1, 0, z] + ((-1 + z)*(-4*y + 2*y^2 + 9*y^3 - 6*y^4 - 8*z + 22*y*z + 2*y^2*z - 27*y^3*z + 12*y^4*z + 20*z^2 - 28*y*z^2 - 10*y^2*z^2 + 18*y^3*z^2 - 16*z^3 + 26*y*z^3 - 34*y^2*z^3 + 4*z^4 - 16*y*z^4)*G[1, 1 - y, 1 - y, 0, z])/(2*y^2*z^2*(-1 + y + z)) + (((6*I)*Pi*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2))/ (y^2*(-1 + y + z)) - (7*y - 17*y^2 + 7*y^3 + 5*y^4 - 2*y^5 + 16*z - 72*y*z + 71*y^2*z + 28*y^3*z - 75*y^4*z + 28*y^5*z - 72*z^2 + 197*y*z^2 - 82*y^2*z^2 - 138*y^3*z^2 + 125*y^4*z^2 - 22*y^5*z^2 + 134*z^3 - 302*y*z^3 + 170*y^2*z^3 + 108*y^3*z^3 - 125*y^4*z^3 + 28*y^5*z^3 - 150*z^4 + 433*y*z^4 - 473*y^2*z^4 + 51*y^3*z^4 + 70*y^4*z^4 + 140*z^5 - 524*y*z^5 + 511*y^2*z^5 - 56*y^3*z^5 - 116*z^6 + 355*y*z^6 - 180*y^2*z^6 + 62*z^7 - 94*y*z^7 - 14*z^8)/ (2*y^2*(-1 + z)*z^2*(-1 + y + z)^2))*G[1, 1 - y, -y, 1 - y, z] + (z*(3 - 4*y + 12*y^2 + 7*y^3 - 9*z + 8*y*z - 12*y^2*z + 9*z^2 - 4*y*z^2 - 3*z^3)*G[1 - y, 0, 0, 0, z])/(y^2*(-1 + y + z)) + (3*(-2*y + 4*y^2 - 2*y^3 + z + 6*y*z - 11*y^2*z + 4*y^3*z - 2*z^2 - 4*y*z^2 + 8*y^2*z^2 + z^3)*G[1 - y, 0, 0, 1 - y, z])/ (y*z*(-1 + y + z)) + (((12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - (-4*y^4 + 14*y^5 - 9*y^6 - 25*y^7 + 50*y^8 - 36*y^9 + 11*y^10 - y^11 - 20*y^3*z + 92*y^4*z - 135*y^5*z + 49*y^6*z + 16*y^7*z + 46*y^8*z - 71*y^9*z + 21*y^10*z + 2*y^11*z - 36*y^2*z^2 + 220*y^3*z^2 - 497*y^4*z^2 + 559*y^5*z^2 - 490*y^6*z^2 + 560*y^7*z^2 - 487*y^8*z^2 + 189*y^9*z^2 - 18*y^10*z^2 - 28*y*z^3 + 248*y^2*z^3 - 767*y^3*z^3 + 1063*y^4*z^3 - 766*y^5*z^3 + 488*y^6*z^3 - 469*y^7*z^3 + 313*y^8*z^3 - 82*y^9*z^3 - 8*z^4 + 134*y*z^4 - 652*y^2*z^4 + 1214*y^3*z^4 - 733*y^4*z^4 - 517*y^5*z^4 + 933*y^6*z^4 - 349*y^7*z^4 - 22*y^8*z^4 + 28*z^5 - 272*y*z^5 + 790*y^2*z^5 - 611*y^3*z^5 - 933*y^4*z^5 + 2171*y^5*z^5 - 1463*y^6*z^5 + 258*y^7*z^5 - 48*z^6 + 302*y*z^6 - 459*y^2*z^6 - 275*y^3*z^6 + 1497*y^4*z^6 - 1501*y^5*z^6 + 388*y^6*z^6 + 52*z^7 - 209*y*z^7 + 195*y^2*z^7 + 239*y^3*z^7 - 565*y^4*z^7 + 192*y^5*z^7 - 34*z^8 + 106*y*z^8 - 114*y^2*z^8 - 2*y^3*z^8 + 12*y^4*z^8 + 10*z^9 - 30*y*z^9 + 30*y^2*z^9 - 10*y^3*z^9)/(2*(-1 + y)^3*y^2*z^2*(-1 + y + z)*(y + z)^3))* G[1 - y, 0, 1, 0, z] + (3*(-2*y + 4*y^2 - 2*y^3 + z + 6*y*z - 11*y^2*z + 4*y^3*z - 2*z^2 - 4*y*z^2 + 8*y^2*z^2 + z^3)* G[1 - y, 0, 1 - y, 0, z])/(y*z*(-1 + y + z)) + ((18*y^2 - 18*y^3 - 9*y*z - 45*y^2*z + 36*y^3*z + 6*z^2 - y*z^2 + 26*y^2*z^2 - 12*z^3 + 10*y*z^3 + 6*z^4)*G[1 - y, 0, 1 - y, 1 - y, z])/(2*y^2*z) + (((-6*I)*Pi*(-1 + y + z)*(y + z)* (-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3))/(y^2*z^2) + (8*y - 36*y^2 + 64*y^3 - 60*y^4 + 40*y^5 - 28*y^6 + 16*y^7 - 4*y^8 + 16*z - 100*y*z + 242*y^2*z - 334*y^3*z + 354*y^4*z - 312*y^5*z + 174*y^6*z - 38*y^7*z - 2*y^8*z - 56*z^2 + 309*y*z^2 - 737*y^2*z^2 + 1046*y^3*z^2 - 1008*y^4*z^2 + 653*y^5*z^2 - 237*y^6*z^2 + 24*y^7*z^2 + 6*y^8*z^2 + 74*z^3 - 503*y*z^3 + 1403*y^2*z^3 - 1980*y^3*z^3 + 1480*y^4*z^3 - 547*y^5*z^3 + 59*y^6*z^3 + 14*y^7*z^3 - 56*z^4 + 565*y*z^4 - 1689*y^2*z^4 + 2111*y^3*z^4 - 1217*y^4*z^4 + 302*y^5*z^4 - 16*y^6*z^4 + 44*z^5 - 435*y*z^5 + 1153*y^2*z^5 - 1151*y^3*z^5 + 509*y^4*z^5 - 88*y^5*z^5 - 32*z^6 + 186*y*z^6 - 366*y^2*z^6 + 254*y^3*z^6 - 74*y^4*z^6 + 10*z^7 - 30*y*z^7 + 30*y^2*z^7 - 10*y^3*z^7)/ (2*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)))* G[1 - y, 0, -y, 1 - y, z] + (((12*I)*Pi*(-1 + z)*z*(-1 + y + z))/ y^2 - (2*y^4 - 8*y^5 + 12*y^6 - 8*y^7 + 2*y^8 - 10*y^3*z + 91*y^4*z - 309*y^5*z + 515*y^6*z - 467*y^7*z + 246*y^8*z - 82*y^9*z + 16*y^10*z + 17*y^2*z^2 + 17*y^3*z^2 - 435*y^4*z^2 + 1232*y^5*z^2 - 1534*y^6*z^2 + 1007*y^7*z^2 - 386*y^8*z^2 + 82*y^9*z^2 + 23*y*z^3 - 124*y^2*z^3 + 911*y^4*z^3 - 1849*y^5*z^3 + 1566*y^6*z^3 - 695*y^7*z^3 + 168*y^8*z^3 + 10*z^4 - 130*y*z^4 + 384*y^2*z^4 - 175*y^3*z^4 - 683*y^4*z^4 + 969*y^5*z^4 - 522*y^6*z^4 + 163*y^7*z^4 - 40*z^5 + 282*y*z^5 - 617*y^2*z^5 + 483*y^3*z^5 - 115*y^4*z^5 + 4*y^5*z^5 + 51*y^6*z^5 + 60*z^6 - 296*y*z^6 + 523*y^2*z^6 - 462*y^3*z^6 + 262*y^4*z^6 - 39*y^5*z^6 - 40*z^7 + 151*y*z^7 - 213*y^2*z^7 + 157*y^3*z^7 - 39*y^4*z^7 + 10*z^8 - 30*y*z^8 + 30*y^2*z^8 - 10*y^3*z^8)/((-1 + y)^3*y^2* (-1 + y + z)^2*(y + z)^3))*G[1 - y, 1, 0, 0, z] + ((-y + 2*y^2 + 2*y*z - 2*y^2*z - 2*y*z^2 + 2*y^2*z^2 + 6*z^3 - 26*y*z^3 + 54*y^2*z^3 + 2*y^3*z^3 - 18*z^4 + 55*y*z^4 - 56*y^2*z^4 + 18*z^5 - 28*y*z^5 - 6*z^6)*G[1 - y, 1, 0, 1 - y, z])/ (2*y^2*z^2*(-1 + y + z)) + (((12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + (y^4 - 6*y^5 + 14*y^6 - 12*y^7 - 9*y^8 + 30*y^9 - 28*y^10 + 12*y^11 - 2*y^12 + 3*y^3*z - 21*y^4*z + 51*y^5*z - 27*y^6*z - 108*y^7*z + 252*y^8*z - 250*y^9*z + 132*y^10*z - 36*y^11*z + 4*y^12*z + 3*y^2*z^2 - 27*y^3*z^2 + 76*y^4*z^2 - 11*y^5*z^2 - 364*y^6*z^2 + 844*y^7*z^2 - 919*y^8*z^2 + 550*y^9*z^2 - 176*y^10*z^2 + 24*y^11*z^2 + y*z^3 - 15*y^2*z^3 + 62*y^3*z^3 - 12*y^4*z^3 - 513*y^5*z^3 + 1465*y^6*z^3 - 1892*y^7*z^3 + 1278*y^8*z^3 - 426*y^9*z^3 + 52*y^10*z^3 - 3*y*z^4 - 29*y^2*z^4 + 308*y^3*z^4 - 1233*y^4*z^4 + 2725*y^5*z^4 - 3514*y^6*z^4 + 2536*y^7*z^4 - 886*y^8*z^4 + 96*y^9*z^4 - 62*y*z^5 + 588*y^2*z^5 - 2257*y^3*z^5 + 4767*y^4*z^5 - 6120*y^5*z^5 + 4702*y^6*z^5 - 1872*y^7*z^5 + 254*y^8*z^5 - 26*z^6 + 416*y*z^6 - 2103*y^2*z^6 + 5243*y^3*z^6 - 7494*y^4*z^6 + 6390*y^5*z^6 - 2946*y^6*z^6 + 504*y^7*z^6 + 104*z^7 - 939*y*z^7 + 3203*y^2*z^7 - 5576*y^3*z^7 + 5488*y^4*z^7 - 2914*y^5*z^7 + 586*y^6*z^7 - 156*z^8 + 965*y*z^8 - 2313*y^2*z^8 + 2778*y^3*z^8 - 1720*y^4*z^8 + 398*y^5*z^8 + 104*z^9 - 456*y*z^9 + 744*y^2*z^9 - 560*y^3*z^9 + 152*y^4*z^9 - 26*z^10 + 78*y*z^10 - 78*y^2*z^10 + 26*y^3*z^10)/ (2*(-1 + y)^3*y^2*z^2*(-1 + y + z)^2*(y + z)^3))* G[1 - y, 1, 1, 0, z] + ((-y + 2*y^2 + 2*y*z - 2*y^2*z - 2*y*z^2 + 2*y^2*z^2 + 6*z^3 - 26*y*z^3 + 54*y^2*z^3 + 2*y^3*z^3 - 18*z^4 + 55*y*z^4 - 56*y^2*z^4 + 18*z^5 - 28*y*z^5 - 6*z^6)* G[1 - y, 1, 1 - y, 0, z])/(2*y^2*z^2*(-1 + y + z)) + (3*(-2*y + 4*y^2 - 2*y^3 + z + 6*y*z - 11*y^2*z + 4*y^3*z - 2*z^2 - 4*y*z^2 + 8*y^2*z^2 + z^3)*G[1 - y, 1 - y, 0, 0, z])/ (y*z*(-1 + y + z)) + ((18*y^2 - 18*y^3 - 9*y*z - 45*y^2*z + 36*y^3*z + 6*z^2 - y*z^2 + 26*y^2*z^2 - 12*z^3 + 10*y*z^3 + 6*z^4)* G[1 - y, 1 - y, 0, 1 - y, z])/(2*y^2*z) + (((-12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + (-4*y^4 + 14*y^5 - 9*y^6 - 25*y^7 + 50*y^8 - 36*y^9 + 11*y^10 - y^11 - 20*y^3*z + 92*y^4*z - 171*y^5*z + 229*y^6*z - 344*y^7*z + 406*y^8*z - 251*y^9*z + 57*y^10*z + 2*y^11*z - 36*y^2*z^2 + 220*y^3*z^2 - 579*y^4*z^2 + 1121*y^5*z^2 - 1990*y^6*z^2 + 2580*y^7*z^2 - 1937*y^8*z^2 + 711*y^9*z^2 - 90*y^10*z^2 - 28*y*z^3 + 248*y^2*z^3 - 833*y^3*z^3 + 1795*y^4*z^3 - 3402*y^5*z^3 + 5012*y^6*z^3 - 4555*y^7*z^3 + 2193*y^8*z^3 - 430*y^9*z^3 - 8*z^4 + 134*y*z^4 - 659*y^2*z^4 + 1641*y^3*z^4 - 3036*y^4*z^4 + 4566*y^5*z^4 - 4663*y^6*z^4 + 2713*y^7*z^4 - 688*y^8*z^4 + 28*z^5 - 285*y*z^5 + 1001*y^2*z^5 - 1898*y^3*z^5 + 2446*y^4*z^5 - 2159*y^5*z^5 + 1231*y^6*z^5 - 396*y^7*z^5 - 58*z^6 + 422*y*z^6 - 1097*y^2*z^6 + 1397*y^3*z^6 - 741*y^4*z^6 - 29*y^5*z^6 + 10*y^6*z^6 + 86*z^7 - 451*y*z^7 + 879*y^2*z^7 - 701*y^3*z^7 + 61*y^4*z^7 + 30*y^5*z^7 - 70*z^8 + 274*y*z^8 - 402*y^2*z^8 + 214*y^3*z^8 - 48*y^4*z^8 + 22*z^9 - 66*y*z^9 + 66*y^2*z^9 - 22*y^3*z^9)/(2*(-1 + y)^3*y^2*z^2*(-1 + y + z)* (y + z)^3))*G[1 - y, 1 - y, 1, 0, z] + ((18*y^2 - 18*y^3 - 9*y*z - 45*y^2*z + 36*y^3*z + 6*z^2 - y*z^2 + 26*y^2*z^2 - 12*z^3 + 10*y*z^3 + 6*z^4)*G[1 - y, 1 - y, 1 - y, 0, z])/(2*y^2*z) + (((6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4))/(y^2*z^2) - (4*y^4 - 14*y^5 + 16*y^6 - 10*y^7 + 20*y^8 - 34*y^9 + 24*y^10 - 6*y^11 + 20*y^3*z - 96*y^4*z + 166*y^5*z - 160*y^6*z + 204*y^7*z - 296*y^8*z + 230*y^9*z - 72*y^10*z + 4*y^11*z - 36*y^2*z^2 + 116*y^3*z^2 - 93*y^4*z^2 - 135*y^5*z^2 + 454*y^6*z^2 - 628*y^7*z^2 + 475*y^8*z^2 - 171*y^9*z^2 + 16*y^10*z^2 + 2*y^11*z^2 - 28*y*z^3 + 220*y^2*z^3 - 489*y^3*z^3 + 312*y^4*z^3 + 231*y^5*z^3 - 282*y^6*z^3 - 125*y^7*z^3 + 246*y^8*z^3 - 101*y^9*z^3 + 16*y^10*z^3 - 8*z^4 + 106*y*z^4 - 341*y^2*z^4 + 320*y^3*z^4 + 46*y^4*z^4 + 371*y^5*z^4 - 1538*y^6*z^4 + 1557*y^7*z^4 - 589*y^8*z^4 + 76*y^9*z^4 + 20*z^5 - 113*y*z^5 + 144*y^2*z^5 - 64*y^3*z^5 + 750*y^4*z^5 - 2469*y^5*z^5 + 2870*y^6*z^5 - 1298*y^7*z^5 + 192*y^8*z^5 - 18*z^6 + 89*y*z^6 - 332*y^2*z^6 + 1128*y^3*z^6 - 2598*y^4*z^6 + 3231*y^5*z^6 - 1736*y^6*z^6 + 300*y^7*z^6 + 32*z^7 - 283*y*z^7 + 1048*y^2*z^7 - 2116*y^3*z^7 + 2616*y^4*z^7 - 1625*y^5*z^7 + 328*y^6*z^7 - 68*z^8 + 443*y*z^8 - 1093*y^2*z^8 + 1439*y^3*z^8 - 1029*y^4*z^8 + 244*y^5*z^8 + 60*z^9 - 268*y*z^9 + 444*y^2*z^9 - 372*y^3*z^9 + 104*y^4*z^9 - 18*z^10 + 54*y*z^10 - 54*y^2*z^10 + 18*y^3*z^10)/(2*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)* (y + z)^3))*G[1 - y, 1 - y, -y, 1 - y, z] + ((-y + 2*y^2 - 2*z + 6*y*z - 16*y^2*z + 24*y^3*z - 12*y^4*z + 6*z^2 + 2*y*z^2 + 32*y^2*z^2 - 66*y^3*z^2 + 24*y^4*z^2 - 8*z^3 - 24*y*z^3 - 24*y^2*z^3 + 36*y^3*z^3 + 12*z^4 + 18*y*z^4 + 4*y^2*z^4 - 12*z^5 - 4*y*z^5 + 4*z^6)*G[1 - y, -y, 0, 1 - y, z])/ (2*y^2*z^2*(-1 + y + z)) + ((-y + 2*y^2 - 2*z + 6*y*z - 16*y^2*z + 24*y^3*z - 12*y^4*z + 6*z^2 + 2*y*z^2 + 32*y^2*z^2 - 66*y^3*z^2 + 24*y^4*z^2 - 8*z^3 - 24*y*z^3 - 24*y^2*z^3 + 36*y^3*z^3 + 12*z^4 + 18*y*z^4 + 4*y^2*z^4 - 12*z^5 - 4*y*z^5 + 4*z^6)* G[1 - y, -y, 1 - y, 0, z])/(2*y^2*z^2*(-1 + y + z)) + ((-4*y^4 + 18*y^5 - 29*y^6 + 16*y^7 + 6*y^8 - 10*y^9 + 3*y^10 - 20*y^3*z + 88*y^4*z - 153*y^5*z + 96*y^6*z + 59*y^7*z - 123*y^8*z + 62*y^9*z - 9*y^10*z + 36*y^2*z^2 - 116*y^3*z^2 + 154*y^4*z^2 - 190*y^5*z^2 + 270*y^6*z^2 - 250*y^7*z^2 + 130*y^8*z^2 - 40*y^9*z^2 + 6*y^10*z^2 + 28*y*z^3 - 220*y^2*z^3 + 708*y^3*z^3 - 1250*y^4*z^3 + 1231*y^5*z^3 - 559*y^6*z^3 + 47*y^7*z^3 + 11*y^8*z^3 + 4*y^9*z^3 + 8*z^4 - 126*y*z^4 + 661*y^2*z^4 - 1740*y^3*z^4 + 2430*y^4*z^4 - 1596*y^5*z^4 + 253*y^6*z^4 + 102*y^7*z^4 - 24*y^8*z^4 - 28*z^5 + 261*y*z^5 - 1084*y^2*z^5 + 2271*y^3*z^5 - 2355*y^4*z^5 + 946*y^5*z^5 - 53*y^6*z^5 - 22*y^7*z^5 + 30*z^6 - 262*y*z^6 + 924*y^2*z^6 - 1534*y^3*z^6 + 1052*y^4*z^6 - 232*y^5*z^6 + 22*y^6*z^6 - 2*z^7 + 87*y*z^7 - 329*y^2*z^7 + 395*y^3*z^7 - 111*y^4*z^7 + 24*y^5*z^7 - 14*z^8 + 30*y*z^8 - 6*y^2*z^8 + 26*y^3*z^8 - 4*y^4*z^8 + 6*z^9 - 18*y*z^9 + 18*y^2*z^9 - 6*y^3*z^9)*G[1 - y, -y, 1 - y, 1 - y, z])/ (2*(-1 + y)^3*y^2*(-1 + z)*z^2*(y + z)^3) + ((-3*y^3 + 17*y^4 - 37*y^5 + 39*y^6 - 20*y^7 + 4*y^8 + 18*y^2*z - 59*y^3*z + 43*y^4*z + 57*y^5*z - 109*y^6*z + 62*y^7*z - 12*y^8*z - 51*y*z^2 + 145*y^2*z^2 - 76*y^3*z^2 - 136*y^4*z^2 + 171*y^5*z^2 - 41*y^6*z^2 - 20*y^7*z^2 + 8*y^8*z^2 + 6*z^3 + 159*y*z^3 - 571*y^2*z^3 + 618*y^3*z^3 - 120*y^4*z^3 - 175*y^5*z^3 + 97*y^6*z^3 - 14*y^7*z^3 - 28*z^4 - 136*y*z^4 + 646*y^2*z^4 - 761*y^3*z^4 + 291*y^4*z^4 - 2*y^5*z^4 - 10*y^6*z^4 + 46*z^5 - 22*y*z^5 - 232*y^2*z^5 + 299*y^3*z^5 - 117*y^4*z^5 + 10*y^5*z^5 - 32*z^6 + 74*y*z^6 - 30*y^2*z^6 - 10*y^3*z^6 + 14*y^4*z^6 + 8*z^7 - 24*y*z^7 + 24*y^2*z^7 - 8*y^3*z^7)*G[1 - y, -y, -y, 1 - y, z])/ (2*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)) + ((6*y^2 - 19*y^3 + 18*y^4 - 6*y^5 - 5*y*z - 17*y^2*z + 62*y^3*z - 51*y^4*z + 12*y^5*z + 2*z^2 + 17*y*z^2 + 7*y^2*z^2 - 47*y^3*z^2 + 31*y^4*z^2 - 2*z^3 - 39*y*z^3 + 31*y^2*z^3 + 12*y^3*z^3 - 2*z^4 + 35*y*z^4 - 15*y^2*z^4 + 2*z^5 - 8*y*z^5)*G[-y, 0, 0, 1 - y, z])/ (y^2*z*(-1 + y + z)^2) + (((-12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - (-9*y^6 + 13*y^7 - 3*y^8 - y^9 + 5*y^5*z - 56*y^6*z + 93*y^7*z - 48*y^8*z + 2*y^9*z + 57*y^4*z^2 - 356*y^5*z^2 + 595*y^6*z^2 - 344*y^7*z^2 + 40*y^8*z^2 - 15*y^3*z^3 - 350*y^4*z^3 + 1099*y^5*z^3 - 894*y^6*z^3 + 180*y^7*z^3 + 34*y^2*z^4 - 129*y^3*z^4 + 777*y^4*z^4 - 978*y^5*z^4 + 324*y^6*z^4 + 66*y*z^5 - 226*y^2*z^5 + 257*y^3*z^5 - 316*y^4*z^5 + 222*y^5*z^5 + 38*z^6 - 272*y*z^6 + 307*y^2*z^6 + 96*y^3*z^6 - 26*y^4*z^6 - 112*z^7 + 351*y*z^7 - 102*y^2*z^7 - 72*y^3*z^7 + 124*z^8 - 197*y*z^8 + 32*y^2*z^8 - 64*z^9 + 52*y*z^9 + 14*z^10)/(2*y^2*z^2* (-1 + y + z)^2*(y + z)^3))*G[-y, 0, 1, 0, z] + ((6*y^2 - 19*y^3 + 18*y^4 - 6*y^5 - 5*y*z - 17*y^2*z + 62*y^3*z - 51*y^4*z + 12*y^5*z + 2*z^2 + 17*y*z^2 + 7*y^2*z^2 - 47*y^3*z^2 + 31*y^4*z^2 - 2*z^3 - 39*y*z^3 + 31*y^2*z^3 + 12*y^3*z^3 - 2*z^4 + 35*y*z^4 - 15*y^2*z^4 + 2*z^5 - 8*y*z^5)*G[-y, 0, 1 - y, 0, z])/ (y^2*z*(-1 + y + z)^2) + (((6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/z^2 - (7*y^3 - 12*y^4 + 6*y^5 + 6*y^2*z - 40*y^3*z + 32*y^4*z + 2*y^5*z - 7*y*z^2 - 14*y^2*z^2 + 54*y^3*z^2 - 10*y^4*z^2 + 2*z^3 + 20*y*z^3 + 4*y^2*z^3 - 18*y^3*z^3 - 2*z^4 - 24*y*z^4 + 2*y^2*z^4 + 8*y*z^5)/(2*y^2*z^2*(-1 + y + z)))*G[-y, 0, 1 - y, 1 - y, z] + (((6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/y^2 + (-6*y^4 + 8*y^5 - 2*y^6 - 12*y^2*z + 16*y^3*z - 6*y^4*z - 4*y^5*z + 4*y^6*z - 5*y*z^2 + 87*y^2*z^2 - 160*y^3*z^2 + 86*y^4*z^2 - 6*y^5*z^2 - 24*z^3 + 91*y*z^3 - 240*y^2*z^3 + 214*y^3*z^3 - 48*y^4*z^3 + 84*z^4 - 210*y*z^4 + 240*y^2*z^4 - 88*y^3*z^4 - 116*z^5 + 190*y*z^5 - 96*y^2*z^5 + 76*z^6 - 66*y*z^6 - 20*z^7)/ (2*y^2*z^2*(-1 + y + z)^2))*G[-y, 0, -y, 1 - y, z] + ((6*y^2 - 19*y^3 + 18*y^4 - 6*y^5 - 5*y*z - 17*y^2*z + 62*y^3*z - 51*y^4*z + 12*y^5*z + 2*z^2 + 17*y*z^2 + 7*y^2*z^2 - 47*y^3*z^2 + 31*y^4*z^2 - 2*z^3 - 39*y*z^3 + 31*y^2*z^3 + 12*y^3*z^3 - 2*z^4 + 35*y*z^4 - 15*y^2*z^4 + 2*z^5 - 8*y*z^5)*G[-y, 1 - y, 0, 0, z])/ (y^2*z*(-1 + y + z)^2) + (((6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/z^2 - (7*y^3 - 12*y^4 + 6*y^5 + 6*y^2*z - 40*y^3*z + 32*y^4*z + 2*y^5*z - 7*y*z^2 - 14*y^2*z^2 + 54*y^3*z^2 - 10*y^4*z^2 + 2*z^3 + 20*y*z^3 + 4*y^2*z^3 - 18*y^3*z^3 - 2*z^4 - 24*y*z^4 + 2*y^2*z^4 + 8*y*z^5)/(2*y^2*z^2*(-1 + y + z)))*G[-y, 1 - y, 0, 1 - y, z] + (((-12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - (-9*y^6 + 13*y^7 - 3*y^8 - y^9 + 5*y^5*z - 56*y^6*z + 93*y^7*z - 48*y^8*z + 2*y^9*z + 57*y^4*z^2 - 356*y^5*z^2 + 595*y^6*z^2 - 344*y^7*z^2 + 40*y^8*z^2 - 15*y^3*z^3 - 350*y^4*z^3 + 1099*y^5*z^3 - 894*y^6*z^3 + 180*y^7*z^3 + 34*y^2*z^4 - 129*y^3*z^4 + 777*y^4*z^4 - 978*y^5*z^4 + 324*y^6*z^4 + 66*y*z^5 - 226*y^2*z^5 + 257*y^3*z^5 - 316*y^4*z^5 + 222*y^5*z^5 + 38*z^6 - 272*y*z^6 + 307*y^2*z^6 + 96*y^3*z^6 - 26*y^4*z^6 - 112*z^7 + 351*y*z^7 - 102*y^2*z^7 - 72*y^3*z^7 + 124*z^8 - 197*y*z^8 + 32*y^2*z^8 - 64*z^9 + 52*y*z^9 + 14*z^10)/(2*y^2*z^2* (-1 + y + z)^2*(y + z)^3))*G[-y, 1 - y, 1, 0, z] + (((6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/z^2 - (7*y^3 - 12*y^4 + 6*y^5 + 6*y^2*z - 40*y^3*z + 32*y^4*z + 2*y^5*z - 7*y*z^2 - 14*y^2*z^2 + 54*y^3*z^2 - 10*y^4*z^2 + 2*z^3 + 20*y*z^3 + 4*y^2*z^3 - 18*y^3*z^3 - 2*z^4 - 24*y*z^4 + 2*y^2*z^4 + 8*y*z^5)/(2*y^2*z^2*(-1 + y + z)))*G[-y, 1 - y, 1 - y, 0, z] + ((3*y^3 - 3*y^4 - 10*y^2*z - 13*y^3*z + 6*y^4*z + 45*y*z^2 + 11*y^2*z^2 - 26*y^3*z^2 - 6*z^3 - 71*y*z^3 + 12*z^4 + 26*y*z^4 - 6*z^5)*G[-y, 1 - y, 1 - y, 1 - y, z])/(2*y^2*z^2) + (((-6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4))/ (y^2*z^2) + (-6*y^3 + 12*y^4 - 10*y^5 + 4*y^6 - 6*y^2*z + 26*y^3*z - 50*y^4*z + 18*y^5*z + 6*y^6*z + 32*y*z^2 - 80*y^2*z^2 + 23*y^3*z^2 + 31*y^4*z^2 + 18*z^3 - 190*y*z^3 + 322*y^2*z^3 - 109*y^3*z^3 + 14*y^4*z^3 - 60*z^4 + 339*y*z^4 - 335*y^2*z^4 + 80*y^3*z^4 + 80*z^5 - 261*y*z^5 + 126*y^2*z^5 - 52*z^6 + 80*y*z^6 + 14*z^7)/(2*y^2*z^2*(-1 + y + z)^2))* G[-y, 1 - y, -y, 1 - y, z] + (((6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/ z^2 - (-7*y^3 + 7*y^4 + 12*y^2*z + 13*y^3*z - 8*y*z^2 - 30*y^2*z^2 + 22*y^3*z^2 + 4*z^3 + 14*y*z^3 + 12*y^2*z^3 - 8*z^4 - 6*y*z^4 + 4*z^5)/(2*y^2*z^2))*G[-y, -y, 0, 1 - y, z] + (((6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/z^2 - (-7*y^3 + 7*y^4 + 12*y^2*z + 13*y^3*z - 8*y*z^2 - 30*y^2*z^2 + 22*y^3*z^2 + 4*z^3 + 14*y*z^3 + 12*y^2*z^3 - 8*z^4 - 6*y*z^4 + 4*z^5)/(2*y^2*z^2))*G[-y, -y, 1 - y, 0, z] + (((-6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4))/ (y^2*z^2) + (6*y^3 - 14*y^4 + 7*y^5 + 6*y^2*z - 42*y^3*z + 36*y^4*z - 34*y*z^2 + 54*y^2*z^2 + 20*y^3*z^2 - 18*y^4*z^2 - 18*z^3 + 144*y*z^3 - 140*y^2*z^3 + 2*y^3*z^3 + 58*z^4 - 191*y*z^4 + 78*y^2*z^4 - 60*z^5 + 78*y*z^5 + 20*z^6)/ (2*y^2*z^2*(-1 + y + z)))*G[-y, -y, 1 - y, 1 - y, z] + (((-6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4))/ (y^2*z^2) - (9*y^3 - 33*y^4 + 35*y^5 - 11*y^6 - 12*y^2*z - 41*y^3*z + 104*y^4*z - 65*y^5*z + 8*y^6*z + 17*y*z^2 + 33*y^2*z^2 - 43*y^3*z^2 + 5*y^4*z^2 - 6*y^5*z^2 - 24*z^3 + 9*y*z^3 - 108*y^2*z^3 + 169*y^3*z^3 - 44*y^4*z^3 + 108*z^4 - 168*y*z^4 + 210*y^2*z^4 - 80*y^3*z^4 - 172*z^5 + 216*y*z^5 - 96*y^2*z^5 + 116*z^6 - 74*y*z^6 - 28*z^7)/(2*y^2*z^2* (-1 + y + z)^2))*G[-y, -y, -y, 1 - y, z] - (3*y*(-5 + 5*y - 11*z + 16*z^2)*G[0, 0, 0, 0, 1, y])/(-1 + y + z)^2 + (9*(-y^3 + y^4 - 2*z + 6*y*z - 6*y^2*z + y^3*z + 8*z^2 - 18*y*z^2 + 12*y^2*z^2 - 12*z^3 + 18*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[0, 0, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) - (18*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[0, 0, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (6*y*G[0, 0, 0, 1, 1, y])/(-1 + y + z) + (9*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + 6*y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)* G[0, 0, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (3*(-3*y^3 + 3*y^4 + 4*z - 12*y*z + 12*y^2*z - 7*y^3*z - 16*z^2 + 36*y*z^2 - 24*y^2*z^2 + 10*y^3*z^2 + 24*z^3 - 36*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 0, 1, 0, 0, y])/ (y^2*(-1 + y + z)^2) - (12*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2)*G[0, 0, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) + (12*y*(-1 + y - 3*z + 4*z^2)* G[0, 0, 1, 0, 1, y])/(-1 + y + z)^2 - (3*(-3*y^3 + 3*y^4 + 4*z - 12*y*z + 12*y^2*z - 7*y^3*z - 16*z^2 + 36*y*z^2 - 24*y^2*z^2 + 10*y^3*z^2 + 24*z^3 - 36*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 0, 1, 1, 0, y])/ (y^2*(-1 + y + z)^2) - (6*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2)*G[0, 0, 1, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (18*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2)*G[0, 0, 1 - y, 1, 0, z])/(y^2*(-1 + y + z)^2) - (9*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + 6*y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*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 + 6*z - 18*y*z + 12*y^2*z - 18*z^2 + 27*y*z^2 - 6*y^2*z^2 + 18*z^3 - 12*y*z^3 - 6*z^4)*G[0, 0, -y, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)) + (3*(-y + 3*y^2 - 3*y^3 + y^4 - 2*z + 9*y*z - 12*y^2*z + 3*y^3*z + 8*z^2 - 21*y*z^2 + 15*y^2*z^2 - 12*z^3 + 19*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)* G[0, 0, -y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (3*y*(-1 + y + 9*z - 8*z^2)*G[0, 1, 0, 0, 1, y])/(-1 + y + z)^2 - (12*y*(-1 + z)*z*G[0, 1, 0, 0, 1 - y, z])/(-1 + y + z)^2 + (6*(-y^3 + y^4 + 3*z - 9*y*z + 9*y^2*z - 4*y^3*z - 12*z^2 + 27*y*z^2 - 18*y^2*z^2 + 5*y^3*z^2 + 18*z^3 - 27*y*z^3 + 9*y^2*z^3 - 12*z^4 + 9*y*z^4 + 3*z^5)*G[0, 1, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (12*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[0, 1, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) + (3*(y - 2*y^2 + 3*y^3 + 2*z - 6*y*z + 4*y^2*z - 6*z^2 + 9*y*z^2 - 2*y^2*z^2 + 6*z^3 - 4*y*z^3 - 2*z^4)*G[0, 1, 0, 1, 1, y])/ (y^2*(-1 + y + z)) - (12*y*(-1 + z)*z*G[0, 1, 0, 1 - y, 0, z])/ (-1 + y + z)^2 - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)* G[0, 1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)) - (6*(-y^3 + y^4 - 2*z + 6*y*z - 6*y^2*z + y^3*z + 8*z^2 - 18*y*z^2 + 12*y^2*z^2 - 12*z^3 + 18*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[0, 1, 1, 0, 0, y])/(y^2*(-1 + y + z)^2) + (12*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[0, 1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (3*(y - 3*y^2 + y^3 + y^4 + 2*z - 9*y*z + 12*y^2*z - 5*y^3*z - 8*z^2 + 21*y*z^2 - 15*y^2*z^2 + 4*y^3*z^2 + 12*z^3 - 19*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)*G[0, 1, 1, 0, 1, y])/ (y^2*(-1 + y + z)^2) - (12*y*(-1 + z)*z*G[0, 1, 1, 0, 1 - y, z])/ (-1 + y + z)^2 - (3*(-3*y^3 + 3*y^4 + 2*z - 6*y*z + 6*y^2*z - 5*y^3*z - 8*z^2 + 18*y*z^2 - 12*y^2*z^2 + 8*y^3*z^2 + 12*z^3 - 18*y*z^3 + 6*y^2*z^3 - 8*z^4 + 6*y*z^4 + 2*z^5)* G[0, 1, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + (12*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[0, 1, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - (12*y*(-1 + z)*z*G[0, 1, 1, 1 - y, 0, z])/(-1 + y + z)^2 - (12*y*(-1 + z)*z*G[0, 1, 1 - y, 0, 0, z])/(-1 + y + z)^2 - (12*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1 - y, 1, 0, z])/y^2 - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[0, 1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)) - (12*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[0, 1 - y, 0, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 2*y*z^2 - 6*y^2*z^2 + 12*y^3*z^2 - 14*y^4*z^2 + 6*y^5*z^2 + 4*z^3 - 18*y*z^3 + 24*y^2*z^3 - 16*y^3*z^3 + 6*y^4*z^3 - 16*z^4 + 42*y*z^4 - 30*y^2*z^4 + 8*y^3*z^4 + 24*z^5 - 38*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7)*G[0, 1 - y, 0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - (12*(-1 + z)*z*(-2 + 6*y - 6*y^2 + y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[0, 1 - y, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - (6*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 2*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)* G[0, 1 - y, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) + (6*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 5*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)*G[0, 1 - y, 1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 15*y^3*z^2 - 15*y^4*z^2 + 6*y^5*z^2 + 6*z^3 - 27*y*z^3 + 36*y^2*z^3 - 21*y^3*z^3 + 6*y^4*z^3 - 24*z^4 + 63*y*z^4 - 45*y^2*z^4 + 10*y^3*z^4 + 36*z^5 - 57*y*z^5 + 18*y^2*z^5 - 24*z^6 + 18*y*z^6 + 6*z^7)*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 + 4*z - 12*y*z + 8*y^2*z - 12*z^2 + 18*y*z^2 - 4*y^2*z^2 + 12*z^3 - 8*y*z^3 - 4*z^4)*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 - 6*z + 27*y*z - 36*y^2*z + 13*y^3*z + 24*z^2 - 63*y*z^2 + 45*y^2*z^2 - 4*y^3*z^2 - 36*z^3 + 57*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)*G[0, 1 - y, -y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (6*y*(-1 + z)*z*G[0, -y, 0, 0, 1 - y, z])/(-1 + y + z)^2 + (6*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[0, -y, 0, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (6*y*(-1 + z)*z*G[0, -y, 0, 1 - y, 0, z])/ (-1 + y + z)^2 + (3*y*(-1 + y + z)*(-1 + 2*z)*G[0, -y, 0, 1 - y, 1 - y, z])/z^2 - (3*y*G[0, -y, 0, -y, 1 - y, z])/(-1 + y + z) - (6*y*(-1 + z)*z*G[0, -y, 1 - y, 0, 0, z])/(-1 + y + z)^2 + (3*y*(-1 + y + z)*(-1 + 2*z)*G[0, -y, 1 - y, 0, 1 - y, z])/z^2 + (6*(-1 + z)*z*(-5 + 15*y - 15*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 5*z^3)*G[0, -y, 1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (3*y*(-1 + y + z)*(-1 + 2*z)* G[0, -y, 1 - y, 1 - y, 0, z])/z^2 - (9*(-1 + y + z)*(y + 2*z - 2*z^2)*G[0, -y, 1 - y, 1 - y, 1 - y, z])/ y^2 - (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z - y*z^2 + 3*y^2*z^2 + 5*y^3*z^2 - 13*y^4*z^2 + 6*y^5*z^2 - 2*z^3 + 9*y*z^3 - 12*y^2*z^3 - 5*y^3*z^3 + 6*y^4*z^3 + 8*z^4 - 21*y*z^4 + 15*y^2*z^4 + 4*y^3*z^4 - 12*z^5 + 19*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7)*G[0, -y, 1 - y, -y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2) + (3*y*(-1 + y + z)*(-1 + 2*z)* G[0, -y, -y, 0, 1 - y, z])/z^2 + (3*y*(-1 + y + z)*(-1 + 2*z)* G[0, -y, -y, 1 - y, 0, z])/z^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[0, -y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 2*y*z^2 - 6*y^2*z^2 + 16*y^3*z^2 - 18*y^4*z^2 + 6*y^5*z^2 + 4*z^3 - 18*y*z^3 + 24*y^2*z^3 - 14*y^3*z^3 + 6*y^4*z^3 - 16*z^4 + 42*y*z^4 - 30*y^2*z^4 + 2*y^3*z^4 + 24*z^5 - 38*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7)* 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 - 6*z + 27*y*z - 36*y^2*z + 17*y^3*z + 24*z^2 - 63*y*z^2 + 45*y^2*z^2 - 8*y^3*z^2 - 36*z^3 + 57*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)* G[1, 0, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) - (18*y*(-1 + 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 - 2*z + 12*y*z - 18*y^2*z + 9*y^3*z + 8*z^2 - 24*y*z^2 + 18*y^2*z^2 - 4*y^3*z^2 - 12*z^3 + 20*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[1, 0, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (6*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + 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 - 2*z + 9*y*z - 12*y^2*z + 3*y^3*z + 8*z^2 - 21*y*z^2 + 15*y^2*z^2 - 12*z^3 + 19*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)* G[1, 0, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) - (18*y*(-1 + z)*z*G[1, 0, 0, 1 - y, 0, z])/(-1 + y + z)^2 - (12*y*(-1 + z)*z*G[1, 0, 0, 1 - y, 1 - y, z])/(-1 + y + z)^2 + (3*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + 12*y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*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 + 6*z - 12*y*z + 5*y^2*z - 6*z^2 + 6*y*z^2 + 2*y^2*z^2 + 2*z^3)*G[1, 0, 1, 0, 0, y])/ (y*(-1 + y + z)^2) + (24*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2)*G[1, 0, 1, 0, 0, z])/ (y^2*(-1 + y + z)^2) - (6*(-y + 3*y^2 - 3*y^3 + y^4 - 2*z + 9*y*z - 12*y^2*z + 8*y^3*z + 8*z^2 - 21*y*z^2 + 15*y^2*z^2 - 5*y^3*z^2 - 12*z^3 + 19*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)* G[1, 0, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (12*y*(-1 + z)*z*G[1, 0, 1, 0, 1 - y, z])/(-1 + y + z)^2 + (3*(-1 + y + z)*(y - 8*z + 8*z^2)*G[1, 0, 1, 1, 0, y])/y^2 + (18*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1, 0, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - (12*y*(-1 + z)*z*G[1, 0, 1, 1 - y, 0, z])/(-1 + y + z)^2 - (18*y*(-1 + z)*z*G[1, 0, 1 - y, 0, 0, z])/(-1 + y + z)^2 - (12*y*(-1 + z)*z*G[1, 0, 1 - y, 0, 1 - y, z])/(-1 + y + z)^2 - (12*(-1 + z)*z*(-2 + 6*y - 6*y^2 + y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[1, 0, 1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (12*y*(-1 + z)*z*G[1, 0, 1 - y, 1 - y, 0, z])/ (-1 + y + z)^2 - (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)*G[1, 0, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[1, 0, -y, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)) - (3*(-1 + z)*(-1 + 2*y + z)* (y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)* G[1, 0, -y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (18*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + 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 - 6*z + 27*y*z - 36*y^2*z + 19*y^3*z + 24*z^2 - 63*y*z^2 + 45*y^2*z^2 - 10*y^3*z^2 - 36*z^3 + 57*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)* G[1, 1, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) - (12*y*(-1 + z)*z*G[1, 1, 0, 0, 1 - y, z])/(-1 + y + z)^2 - (12*(-1 + y + z)*(y + 4*z - 4*z^2)*G[1, 1, 0, 1, 0, y])/y^2 + (12*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + 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 - 6*z + 27*y*z - 36*y^2*z + 19*y^3*z + 24*z^2 - 63*y*z^2 + 45*y^2*z^2 - 10*y^3*z^2 - 36*z^3 + 57*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)* G[1, 1, 0, 1, 1, y])/(y^2*(-1 + y + z)^2) - (12*y*(-1 + z)*z*G[1, 1, 0, 1 - y, 0, z])/(-1 + y + z)^2 - (12*y*(-1 + z)*z*G[1, 1, 0, 1 - y, 1 - y, z])/(-1 + y + z)^2 + (6*(-1 + z)*(-2*y + 6*y^2 - 4*y^3 - 4*z + 16*y*z - 18*y^2*z + 9*y^3*z + 12*z^2 - 26*y*z^2 + 12*y^2*z^2 - 12*z^3 + 12*y*z^3 + 4*z^4)*G[1, 1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) + (6*(-1 + y + z)*G[1, 1, 1, 0, 0, y])/y + (12*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + 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 - 2*z + 9*y*z - 12*y^2*z + 3*y^3*z + 8*z^2 - 21*y*z^2 + 15*y^2*z^2 - 12*z^3 + 19*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[1, 1, 1, 0, 1, y])/ (y^2*(-1 + y + z)^2) + (6*y*(-1 + z)*z*G[1, 1, 1, 0, 1 - y, z])/ (-1 + y + z)^2 + (3*(-1 + y + z)*(5*y + 16*z - 16*z^2)* G[1, 1, 1, 1, 0, y])/y^2 - (6*(-1 + z)*z*(-1 + 2*y + z)* (1 - y + y^2 - 2*z + y*z + z^2)*G[1, 1, 1, 1, 0, z])/ (y^2*(-1 + y + z)^2) + (6*y*(-1 + z)*z*G[1, 1, 1, 1 - y, 0, z])/ (-1 + y + z)^2 - (12*y*(-1 + z)*z*G[1, 1, 1 - y, 0, 0, z])/ (-1 + y + z)^2 - (12*y*(-1 + z)*z*G[1, 1, 1 - y, 0, 1 - y, z])/ (-1 + y + z)^2 + (6*(-1 + z)*z*(1 - 3*y + 3*y^2 + y^3 - 3*z + 6*y*z - 3*y^2*z + 3*z^2 - 3*y*z^2 - z^3)*G[1, 1, 1 - y, 1, 0, z])/ (y^2*(-1 + y + z)^2) - (12*y*(-1 + z)*z*G[1, 1, 1 - y, 1 - y, 0, z])/ (-1 + y + z)^2 + (6*(-1 + z)*(-2*y + 6*y^2 - 4*y^3 - 4*z + 16*y*z - 18*y^2*z + 9*y^3*z + 12*z^2 - 26*y*z^2 + 12*y^2*z^2 - 12*z^3 + 12*y*z^3 + 4*z^4)*G[1, 1, 1 - y, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (18*y*(-1 + z)*z*G[1, 1 - y, 0, 0, 0, z])/ (-1 + y + z)^2 - (12*y*(-1 + z)*z*G[1, 1 - y, 0, 0, 1 - y, z])/ (-1 + y + z)^2 - (12*(-1 + z)*z*(-2 + 6*y - 6*y^2 + y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[1, 1 - y, 0, 1, 0, z])/(y^2*(-1 + y + z)^2) - (12*y*(-1 + z)*z*G[1, 1 - y, 0, 1 - y, 0, z])/(-1 + y + z)^2 - (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)*G[1, 1 - y, 0, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (12*(-1 + z)*z*(-2 + 6*y - 6*y^2 + y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3)*G[1, 1 - y, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) - (18*y*(-1 + z)*z*G[1, 1 - y, 1, 0, 1 - y, z])/(-1 + y + z)^2 + (6*(-1 + z)*z*(2 - 6*y + 6*y^2 + y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3)* G[1, 1 - y, 1, 1, 0, z])/(y^2*(-1 + y + z)^2) - (18*y*(-1 + z)*z*G[1, 1 - y, 1, 1 - y, 0, z])/(-1 + y + z)^2 - (12*y*(-1 + z)*z*G[1, 1 - y, 1 - y, 0, 0, z])/(-1 + y + z)^2 + (24*(-1 + z)*z*(-1 + y + z)*G[1, 1 - y, 1 - y, 1, 0, z])/y^2 - (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)* G[1, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)* G[1, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)) - (3*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)*G[1, 1 - y, -y, -y, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 9*y^3*z^2 - 15*y^4*z^2 + 6*y^5*z^2 - 6*z^3 + 18*y*z^3 - 18*y^2*z^3 - 3*y^3*z^3 + 6*y^4*z^3 + 24*z^4 - 54*y*z^4 + 36*y^2*z^4 - 2*y^3*z^4 - 36*z^5 + 54*y*z^5 - 18*y^2*z^5 + 24*z^6 - 18*y*z^6 - 6*z^7)*G[1 - y, 0, 0, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) + (3*(-2*y^3 + 4*y^4 - 2*y^5 + 8*y^3*z - 12*y^4*z + 4*y^5*z + 3*y*z^2 - 6*y^2*z^2 - 6*y^3*z^2 + 8*y^4*z^2 + 6*z^3 - 18*y*z^3 + 12*y^2*z^3 + 4*y^3*z^3 - 18*z^4 + 27*y*z^4 - 6*y^2*z^4 + 18*z^5 - 12*y*z^5 - 6*z^6)*G[1 - y, 0, 0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)) - (24*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 1, 0, 0, z])/y^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 6*z^3 + 6*z^4)*G[1 - y, 0, 1, 1, 0, z])/(y^2*z^2) - (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 9*y^3*z^2 - 15*y^4*z^2 + 6*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 5*y^3*z^3 + 6*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)*G[1 - y, 0, 1 - y, 1, 0, z])/ (y^2*z^2*(-1 + y + z)^2) - (3*(-2*y^3 + 4*y^4 - 2*y^5 + 8*y^3*z - 12*y^4*z + 4*y^5*z + 4*y*z^2 - 8*y^2*z^2 - 5*y^3*z^2 + 8*y^4*z^2 + 8*z^3 - 24*y*z^3 + 16*y^2*z^3 + 4*y^3*z^3 - 24*z^4 + 36*y*z^4 - 8*y^2*z^4 + 24*z^5 - 16*y*z^5 - 8*z^6)*G[1 - y, 0, 1 - y, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)) + (6*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)* G[1 - y, 0, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 3*y*z^2 - 6*z^3 + 6*z^4)* G[1 - y, 0, -y, -y, 1 - y, z])/(y^2*z^2) - (18*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, 0, 0, 0, z])/y^2 + (6*y*(-1 + z)*z*G[1 - y, 1, 0, 0, 1 - y, z])/(-1 + y + z)^2 - (6*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 9*y^3*z^2 - 15*y^4*z^2 + 6*y^5*z^2 + z^3 - 3*y*z^3 + 3*y^2*z^3 - 9*y^3*z^3 + 6*y^4*z^3 - 4*z^4 + 9*y*z^4 - 6*y^2*z^4 + 4*y^3*z^4 + 6*z^5 - 9*y*z^5 + 3*y^2*z^5 - 4*z^6 + 3*y*z^6 + z^7)* G[1 - y, 1, 0, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) + (6*y*(-1 + z)*z*G[1 - y, 1, 0, 1 - y, 0, z])/(-1 + y + z)^2 - (3*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, 1, 0, 1 - y, 1 - y, z])/z^2 + (3*(-y^3 + 2*y^4 - y^5 + 4*y^3*z - 6*y^4*z + 2*y^5*z + 5*y*z^2 - 10*y^2*z^2 + y^3*z^2 + 4*y^4*z^2 + 10*z^3 - 30*y*z^3 + 20*y^2*z^3 + 2*y^3*z^3 - 30*z^4 + 45*y*z^4 - 10*y^2*z^4 + 30*z^5 - 20*y*z^5 - 10*z^6)*G[1 - y, 1, 0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)) - (6*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* G[1 - y, 1, 1, 0, 0, z])/(y^2*(-1 + y + z)^2) + (6*y*(-1 + z)*z*G[1 - y, 1, 1, 0, 1 - y, z])/(-1 + y + z)^2 + (6*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 9*y^3*z^2 - 15*y^4*z^2 + 6*y^5*z^2 + 2*z^3 - 6*y*z^3 + 6*y^2*z^3 - 8*y^3*z^3 + 6*y^4*z^3 - 8*z^4 + 18*y*z^4 - 12*y^2*z^4 + 3*y^3*z^4 + 12*z^5 - 18*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7)*G[1 - y, 1, 1, 1, 0, z])/(y^2*z^2*(-1 + y + z)^2) + (6*y*(-1 + z)*z*G[1 - y, 1, 1, 1 - y, 0, z])/(-1 + y + z)^2 + (6*y*(-1 + z)*z*G[1 - y, 1, 1 - y, 0, 0, z])/(-1 + y + z)^2 - (3*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, 1, 1 - y, 0, 1 - y, z])/z^2 - (3*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, 1, 1 - y, 1 - y, 0, z])/z^2 + (3*(-y^3 + 2*y^4 - y^5 + 4*y^3*z - 6*y^4*z + 2*y^5*z + 5*y*z^2 - 10*y^2*z^2 + y^3*z^2 + 4*y^4*z^2 + 10*z^3 - 30*y*z^3 + 20*y^2*z^3 + 2*y^3*z^3 - 30*z^4 + 45*y*z^4 - 10*y^2*z^4 + 30*z^5 - 20*y*z^5 - 10*z^6)*G[1 - y, 1, 1 - y, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)) - (18*(-1 + y + z)*(-y^3 + 2*y^3*z + z^3 - z^4)*G[1 - y, 1 - y, 0, 1, 0, z])/(y^2*z^2) + (9*(-1 + y + z)*(y + z)*(-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3)*G[1 - y, 1 - y, 0, -y, 1 - y, z])/ (y^2*z^2) + (18*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1 - y, 1, 0, 0, z])/ y^2 + (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*z^3 + 2*z^4)* G[1 - y, 1 - y, 1, 1, 0, z])/(y^2*z^2) + (18*(-1 + y + z)*(-y^3 + 2*y^3*z + z^3 - z^4)*G[1 - y, 1 - y, 1 - y, 1, 0, z])/(y^2*z^2) - (9*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)*G[1 - y, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, 1 - y, -y, -y, 1 - y, z])/(y^2*z^2) + (12*(-1 + z)*z*(-1 + y + z)*G[1 - y, -y, 0, 1, 0, z])/y^2 - (6*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, -y, 0, 1 - y, 1 - y, z])/z^2 - (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1 - y, -y, 0, -y, 1 - y, z])/y^2 - (6*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, -y, 1 - y, 0, 1 - y, z])/z^2 + (12*(-1 + z)*z*(-1 + y + z)*G[1 - y, -y, 1 - y, 1, 0, z])/y^2 - (6*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, -y, 1 - y, 1 - y, 0, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, -y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, -y, -y, 0, 1 - y, z])/z^2 - (6*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, -y, -y, 1 - y, 0, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, -y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, -y, -y, -y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 4*z^3 + 4*z^4)*G[-y, 0, 0, 1, 0, z])/ (y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 0, 0, 1 - y, 1 - y, z])/z^2 + (12*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, 0, 0, -y, 1 - y, z])/y^2 + (12*(-1 + z)*z*(-1 + y + z)*G[-y, 0, 1, 0, 0, z])/y^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[-y, 0, 1, 1, 0, z])/ (y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 0, 1 - y, 0, 1 - y, z])/z^2 + (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 4*z^3 + 4*z^4)* G[-y, 0, 1 - y, 1, 0, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 0, 1 - y, 1 - y, 0, z])/z^2 - (9*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 0, 1 - y, 1 - y, 1 - y, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)* G[-y, 0, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (9*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 0, -y, 0, 1 - y, z])/z^2 - (9*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 0, -y, 1 - y, 0, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)* G[-y, 0, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(-3*y^3 + 6*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)* G[-y, 0, -y, -y, 1 - y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 1 - y, 0, 0, 1 - y, z])/z^2 + (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 4*z^3 + 4*z^4)*G[-y, 1 - y, 0, 1, 0, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 1 - y, 0, 1 - y, 0, z])/z^2 - (9*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 1 - y, 0, 1 - y, 1 - y, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)*G[-y, 1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + (12*(-1 + z)*z*(-1 + y + z)*G[-y, 1 - y, 1, 0, 0, z])/y^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[-y, 1 - y, 1, 1, 0, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 1 - y, 1 - y, 0, 0, z])/z^2 - (9*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 1 - y, 1 - y, 0, 1 - y, z])/z^2 + (3*(-1 + y + z)*(-5*y^3 + 10*y^3*z + 2*z^3 - 2*z^4)*G[-y, 1 - y, 1 - y, 1, 0, z])/(y^2*z^2) - (9*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 1 - y, 1 - y, 1 - y, 0, z])/z^2 + (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, 1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 1 - y, -y, 0, 1 - y, z])/z^2 - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 1 - y, -y, 1 - y, 0, z])/z^2 + (12*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, 1 - y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (9*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, 1 - y, -y, -y, 1 - y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, -y, 0, 0, 1 - y, z])/z^2 + (3*(-1 + y + z)*(-5*y^3 + 10*y^3*z + 8*z^3 - 8*z^4)* G[-y, -y, 0, 1, 0, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)* G[-y, -y, 0, 1 - y, 0, z])/z^2 - (6*y*(-1 + y + z)*(-1 + 2*z)* G[-y, -y, 0, 1 - y, 1 - y, z])/z^2 + (3*(-1 + y + z)*(-2*y^3 + 4*y^3*z - y*z^2 - 2*z^3 + 2*z^4)* G[-y, -y, 0, -y, 1 - y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, -y, 1 - y, 0, 0, z])/z^2 - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, -y, 1 - y, 0, 1 - y, z])/z^2 + (3*(-1 + y + z)*(-5*y^3 + 10*y^3*z + 8*z^3 - 8*z^4)* G[-y, -y, 1 - y, 1, 0, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, -y, 1 - y, 1 - y, 0, z])/z^2 + (9*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, -y, 1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, -y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + (3*y*(-1 + y + z)*(-1 + 2*z)*G[-y, -y, -y, 0, 1 - y, z])/z^2 + (3*y*(-1 + y + z)*(-1 + 2*z)*G[-y, -y, -y, 1 - y, 0, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, -y, -y, 1 - y, 1 - y, z])/(y^2*z^2) - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, -y, -y, -y, 1 - y, z])/(y^2*z^2) + ((-3*Pi^2*y)/(2*(-1 + y + z)) - (I*Pi*(24*y^2 - 96*y^3 + 144*y^4 - 96*y^5 + 24*y^6 - 108*y^2*z + 396*y^3*z - 540*y^4*z + 324*y^5*z - 72*y^6*z - 48*z^2 + 220*y*z^2 - 254*y^2*z^2 - 228*y^3*z^2 + 650*y^4*z^2 - 412*y^5*z^2 + 72*y^6*z^2 + 144*z^3 - 584*y*z^3 + 989*y^2*z^3 - 591*y^3*z^3 - 70*y^4*z^3 + 112*y^5*z^3 - 144*z^4 + 508*y*z^4 - 867*y^2*z^4 + 567*y^3*z^4 - 112*y^4*z^4 + 48*z^5 - 144*y*z^5 + 216*y^2*z^5 - 72*y^3*z^5))/((-1 + y)^3*y*(-1 + z)*z* (-1 + y + z)) - (-96*y^2 + 478*y^3 - 1068*y^4 + 1570*y^5 - 1800*y^6 + 1506*y^7 - 748*y^8 + 158*y^9 + 480*y*z - 2400*y^2*z + 5034*y^3*z - 6001*y^4*z + 4714*y^5*z - 2794*y^6*z + 1558*y^7*z - 829*y^8*z + 238*y^9*z + 192*z^2 - 2874*y*z^2 + 11744*y^2*z^2 - 24906*y^3*z^2 + 34276*y^4*z^2 - 31953*y^5*z^2 + 18453*y^6*z^2 - 5347*y^7*z^2 + 259*y^8*z^2 + 156*y^9*z^2 - 764*z^3 + 7126*y*z^3 - 26217*y^2*z^3 + 55270*y^3*z^3 - 72012*y^4*z^3 + 54179*y^5*z^3 - 19151*y^6*z^3 + 803*y^7*z^3 + 766*y^8*z^3 + 1420*z^4 - 11482*y*z^4 + 40408*y^2*z^4 - 78195*y^3*z^4 + 83841*y^4*z^4 - 45156*y^5*z^4 + 8788*y^6*z^4 + 376*y^7*z^4 - 1960*z^5 + 14636*y*z^5 - 45340*y^2*z^5 + 71781*y^3*z^5 - 58179*y^4*z^5 + 21310*y^5*z^5 - 2392*y^6*z^5 + 2120*z^6 - 13004*y*z^6 + 31954*y^2*z^6 - 38131*y^3*z^6 + 21029*y^4*z^6 - 4112*y^5*z^6 - 1372*z^7 + 6282*y*z^7 - 11481*y^2*z^7 + 9153*y^3*z^7 - 2438*y^4*z^7 + 364*z^8 - 1164*y*z^8 + 1428*y^2*z^8 - 484*y^3*z^8)/ (4*(-1 + y)^3*y*(-1 + z)*z*(-1 + y + z)^2*(y + z)^2))*Zeta[3] + G[0, 0, z]*(((-2*I)*Pi^3*y*(-1 + z)*z)/(-1 + y + z)^2 - ((14*I)*Pi*(-1 + z)*z*(-1 + 2*y + z))/(y*(-1 + y + z)) - (z*(-1 + 2*y + z)*(87*y - 87*y^2 + 103*z - 174*y*z + 87*y^2*z - 87*z^2 + 87*y*z^2))/(2*(-1 + y)*y*(-1 + y + z)*(y + z)) - (Pi^2*(-6*y^2 + 30*y^3 - 60*y^4 + 60*y^5 - 30*y^6 + 6*y^7 + 33*y^2*z - 150*y^3*z + 270*y^4*z - 240*y^5*z + 105*y^6*z - 18*y^7*z - 12*z^2 + 62*y*z^2 - 197*y^2*z^2 + 415*y^3*z^2 - 515*y^4*z^2 + 347*y^5*z^2 - 112*y^6*z^2 + 12*y^7*z^2 + 48*z^3 - 222*y*z^3 + 404*y^2*z^3 - 456*y^3*z^3 + 385*y^4*z^3 - 196*y^5*z^3 + 37*y^6*z^3 - 72*z^4 + 294*y*z^4 - 359*y^2*z^4 + 210*y^3*z^4 - 110*y^4*z^4 + 37*y^5*z^4 + 48*z^5 - 170*y*z^5 + 129*y^2*z^5 - 29*y^3*z^5 + 6*y^4*z^5 - 12*z^6 + 36*y*z^6 - 12*y^2*z^6 + 4*y^3*z^6))/(6*(-1 + y)^3*y*(-1 + z)*z* (-1 + y + z)^2) + (((-12*I)*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 - (6*y^3 - 30*y^4 + 60*y^5 - 60*y^6 + 30*y^7 - 6*y^8 - 27*y^3*z + 120*y^4*z - 210*y^5*z + 180*y^6*z - 75*y^7*z + 12*y^8*z + 3*z^2 - 16*y*z^2 + 43*y^2*z^2 - 33*y^3*z^2 - 81*y^4*z^2 + 188*y^5*z^2 - 141*y^6*z^2 + 37*y^7*z^2 - 6*z^3 + 21*y*z^3 - 35*y^2*z^3 + 83*y^3*z^3 - 100*y^4*z^3 + 22*y^5*z^3 + 15*y^6*z^3 + 4*z^4 - 9*y*z^4 + 10*y^2*z^4 - 85*y^3*z^4 + 107*y^4*z^4 - 27*y^5*z^4 - 2*z^5 + 7*y*z^5 - 9*y^2*z^5 + 29*y^3*z^5 - 9*y^4*z^5 + z^6 - 3*y*z^6 + 3*y^2*z^6 - y^3*z^6)/ ((-1 + y)^3*y^2*z*(-1 + y + z)^2))*G[0, 1, y] + (((-12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - (6*y^5 - 18*y^6 + 18*y^7 - 6*y^8 + 15*y^4*z - 75*y^5*z + 117*y^6*z - 69*y^7*z + 12*y^8*z + 2*y^3*z^2 - 66*y^4*z^2 + 205*y^5*z^2 - 197*y^6*z^2 + 59*y^7*z^2 + 35*y^2*z^3 - 77*y^3*z^3 + 135*y^4*z^3 - 181*y^5*z^3 + 92*y^6*z^3 + 45*y*z^4 - 188*y^2*z^4 + 127*y^3*z^4 + 27*y^4*z^4 + 12*y^5*z^4 + 19*z^5 - 182*y*z^5 + 268*y^2*z^5 + 64*y^3*z^5 - 104*y^4*z^5 - 62*z^6 + 246*y*z^6 - 106*y^2*z^6 - 88*y^3*z^6 + 76*z^7 - 138*y*z^7 + 3*y^2*z^7 - 42*z^8 + 29*y*z^8 + 9*z^9)/(y^2*z*(-1 + y + z)^2* (y + z)^3))*G[1, 0, y] + (3*(-2*y + 4*y^2 - 2*y^3 + z + 6*y*z - 11*y^2*z + 4*y^3*z - 2*z^2 - 4*y*z^2 + 8*y^2*z^2 + z^3)* G[1, 1, y])/(y*z*(-1 + y + z)) - (12*y*(-1 + z)*z*G[0, 0, 1, y])/ (-1 + y + z)^2 - (18*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, y])/y^2 + (12*y*(-1 + z)*z*G[0, 1, 1, y])/(-1 + y + z)^2 + (12*(-1 + z)*z*(-1 + y + z)*G[1, 0, 0, y])/y^2 - (18*y*(-1 + z)*z*G[1, 0, 1, y])/(-1 + y + z)^2 - (12*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, y])/y^2 - (60*y*(-1 + z)*z*Zeta[3])/(-1 + y + z)^2) + G[1, 0, z]*(((2*I)*Pi^3*(-1 + z)*z*(-1 + y + z))/y^2 - (I*Pi*(-1 + z)*(-1 + 2*y + z)*(-2*y^3 + 6*y^4 - 6*y^5 + 2*y^6 - 25*y^2*z + 38*y^3*z + 17*y^4*z - 48*y^5*z + 18*y^6*z - 3*y*z^2 - 7*y^2*z^2 + 118*y^3*z^2 - 162*y^4*z^2 + 54*y^5*z^2 + 4*z^3 - 31*y*z^3 + 133*y^2*z^3 - 180*y^3*z^3 + 58*y^4*z^3 - 8*z^4 + 42*y*z^4 - 76*y^2*z^4 + 26*y^3*z^4 + 4*z^5 - 8*y*z^5 + 4*y^2*z^5))/((-1 + y)^2*y^2*(-1 + y + z)^2*(y + z)^2) - (Pi^2*(-1 + z)*(4*y - 6*y^2 - 7*y^3 + 15*y^4 - 6*y^5 + 8*z - 34*y*z + 22*y^2*z + 38*y^3*z - 45*y^4*z + 12*y^5*z - 28*z^2 + 72*y*z^2 - 22*y^2*z^2 - 51*y^3*z^2 + 30*y^4*z^2 + 48*z^3 - 112*y*z^3 + 86*y^2*z^3 - 16*y^3*z^3 - 56*z^4 + 124*y*z^4 - 80*y^2*z^4 + 40*z^5 - 54*y*z^5 - 12*z^6))/(12*y^2*z^2* (-1 + y + z)^2) - ((-1 + z)*(-1 + 2*y + z)*(-3*y^3 + 9*y^4 - 9*y^5 + 3*y^6 - 39*y^3*z + 126*y^4*z - 135*y^5*z + 48*y^6*z + 9*y*z^2 - 392*y^2*z^2 + 771*y^3*z^2 - 272*y^4*z^2 - 246*y^5*z^2 + 130*y^6*z^2 + 6*z^3 - 150*y*z^3 + 387*y^2*z^3 + 523*y^3*z^3 - 1156*y^4*z^3 + 390*y^5*z^3 + 18*z^4 - 133*y*z^4 + 967*y^2*z^4 - 1454*y^3*z^4 + 426*y^4*z^4 - 60*z^5 + 346*y*z^5 - 664*y^2*z^5 + 202*y^3*z^5 + 36*z^6 - 72*y*z^6 + 36*y^2*z^6))/ (4*(-1 + y)^2*y^2*z*(-1 + y + z)^2*(y + z)^2) + ((-1 + z)*(-4*y + 2*y^2 + 9*y^3 - 6*y^4 - 8*z + 22*y*z + 2*y^2*z - 27*y^3*z + 12*y^4*z + 20*z^2 - 28*y*z^2 - 10*y^2*z^2 + 18*y^3*z^2 - 16*z^3 + 26*y*z^3 - 34*y^2*z^3 + 4*z^4 - 16*y*z^4)* G[1, 1, y])/(2*y^2*z^2*(-1 + y + z)) - (24*y*(-1 + z)*z*G[0, 0, 1, y])/(-1 + y + z)^2 + (18*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, y])/y^2 + (12*y*(-1 + z)*z*G[0, 1, 1, y])/(-1 + y + z)^2 + (12*(-1 + z)*z*(-1 + y + z)*G[1, 0, 0, y])/y^2 + (18*y*(-1 + z)*z*G[1, 0, 1, y])/(-1 + y + z)^2 - (24*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, y])/y^2 - (36*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2)* Zeta[3])/(y^2*(-1 + y + z)^2)) + G[0, 0, y]* ((I*Pi^3*y*(-1 + y - z + 2*z^2))/(-1 + y + z)^2 + (I*Pi*(7*y - 21*y^2 + 21*y^3 - 7*y^4 - 4*z - 19*y*z + 64*y^2*z - 55*y^3*z + 14*y^4*z + 16*z^2 - 4*y*z^2 - 40*y^2*z^2 + 28*y^3*z^2 - 20*z^3 + 16*y*z^3 + 8*z^4))/((-1 + y)^2*z* (-1 + y + z)) + (180*y^2 - 564*y^3 + 636*y^4 - 300*y^5 + 48*y^6 + 176*y*z - 1322*y^2*z + 2305*y^3*z - 1516*y^4*z + 357*y^5*z - 52*z^2 - 454*y*z^2 + 1895*y^2*z^2 - 2204*y^3*z^2 + 911*y^4*z^2 + 208*z^3 + 14*y*z^3 - 860*y^2*z^3 + 666*y^3*z^3 - 260*z^4 + 232*y*z^4 + 96*y^2*z^4 + 104*z^5 + 32*y*z^5)/(6*(-1 + y)^2*z* (-1 + y + z)*(y + z)) + (Pi^2*(-12*y^2 + 60*y^3 - 120*y^4 + 120*y^5 - 60*y^6 + 12*y^7 + 12*y*z - 87*y^2*z + 44*y^3*z + 234*y^4*z - 348*y^5*z + 181*y^6*z - 36*y^7*z - 24*z^2 + 110*y*z^2 - 66*y^2*z^2 + 87*y^3*z^2 - 257*y^4*z^2 + 207*y^5*z^2 - 65*y^6*z^2 + 8*y^7*z^2 + 96*z^3 - 474*y*z^3 + 807*y^2*z^3 - 833*y^3*z^3 + 461*y^4*z^3 - 81*y^5*z^3 - 8*y^6*z^3 - 144*z^4 + 642*y*z^4 - 1080*y^2*z^4 + 936*y^3*z^4 - 376*y^4*z^4 + 54*y^5*z^4 + 96*z^5 - 362*y*z^5 + 510*y^2*z^5 - 318*y^3*z^5 + 74*y^4*z^5 - 24*z^6 + 72*y*z^6 - 72*y^2*z^6 + 24*y^3*z^6))/ (12*(-1 + y)^3*y*(-1 + z)*z*(-1 + y + z)^2) + (3*(2*y^2 - 2*y^3 - 7*y^2*z + 4*y^3*z - 4*z^2 + 4*y*z^2 + 4*y^2*z^2 + 8*z^3 - 4*y*z^3 - 4*z^4)*G[0, 0, z])/ (y*z*(-1 + y + z)) + (((6*I)*Pi*y*(-1 + y - z + 2*z^2))/ (-1 + y + z)^2 - (-y^2 + 3*y^3 - 3*y^4 + y^5 + 14*y*z - 48*y^2*z + 51*y^3*z - 14*y^4*z - 3*y^5*z + 24*z^2 - 110*y*z^2 + 121*y^2*z^2 - 36*y^3*z^2 - y^4*z^2 + 2*y^5*z^2 - 142*z^3 + 376*y*z^3 - 126*y^2*z^3 - 122*y^3*z^3 + 34*y^4*z^3 + 331*z^4 - 617*y*z^4 + 88*y^2*z^4 + 104*y^3*z^4 - 380*z^5 + 473*y*z^5 - 34*y^2*z^5 + 215*z^6 - 136*y*z^6 - 48*z^7)/(2*y*(-1 + z)*z^2* (-1 + y + z)^2))*G[0, 1 - y, z] + ((-1 + z)*(1 - 3*y - 7*y^2 + 15*y^3 - 6*y^4 - 2*z - 7*y*z + 38*y^2*z - 45*y^3*z + 12*y^4*z + 25*y*z^2 - 55*y^2*z^2 + 30*y^3*z^2 - 22*z^3 + 43*y*z^3 - 16*y^2*z^3 + 47*z^4 - 58*y*z^4 - 24*z^5)*G[1, 0, z])/(2*y*z^2*(-1 + y + z)^2) + (((6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/z^2 - (-y^3 + 3*y^4 - 9*y^5 + 19*y^6 - 18*y^7 + 6*y^8 - 3*y^2*z + 12*y^3*z - 3*y^4*z - 32*y^5*z + 42*y^6*z - 18*y^7*z + 2*y^8*z - 3*y*z^2 + 18*y^2*z^2 + 37*y^3*z^2 - 304*y^4*z^2 + 542*y^5*z^2 - 364*y^6*z^2 + 74*y^7*z^2 - z^3 + 12*y*z^3 - 13*y^2*z^3 - 318*y^3*z^3 + 1070*y^4*z^3 - 1136*y^5*z^3 + 360*y^6*z^3 + 3*z^4 - 38*y*z^4 + 91*y^2*z^4 + 483*y^3*z^4 - 1277*y^4*z^4 + 686*y^5*z^4 - 26*z^5 + 274*y*z^5 - 607*y^2*z^5 - 92*y^3*z^5 + 504*y^4*z^5 + 118*z^6 - 715*y*z^6 + 940*y^2*z^6 - 120*y^3*z^6 - 213*z^7 + 718*y*z^7 - 426*y^2*z^7 + 167*z^8 - 248*y*z^8 - 48*z^9)/(2*y*z^2*(-1 + y + z)^2*(y + z)^3))*G[1 - y, 0, z] + (6*(-1 + 2*y + z)*(-y + y^2 - 2*z + y*z + 4*z^2 - 2*z^3)* G[1 - y, 1 - y, z])/(y*z*(-1 + y + z)) + ((-2*y^2 + 2*y^4 - 8*y^2*z - 2*y^3*z + 6*y^4*z - 24*z^2 + 52*y*z^2 - 23*y^2*z^2 - 17*y^3*z^2 + 16*y^4*z^2 + 94*z^3 - 160*y*z^3 + 55*y^2*z^3 + 30*y^3*z^3 - 141*z^4 + 173*y*z^4 - 24*y^2*z^4 + 95*z^5 - 62*y*z^5 - 24*z^6)*G[-y, 1 - y, z])/ (2*y*z^2*(-1 + y + z)^2) + (3*(2*y - 6*y^2 + 3*y^3 + y^4 + 4*z - 18*y*z + 24*y^2*z - 13*y^3*z - 16*z^2 + 42*y*z^2 - 30*y^2*z^2 + 10*y^3*z^2 + 24*z^3 - 38*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 4*z^3 + 4*z^4)*G[0, 1 - y, 0, z])/ (y^2*z^2) - (6*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*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 - 4*z + 18*y*z - 24*y^2*z + 11*y^3*z + 16*z^2 - 42*y*z^2 + 30*y^2*z^2 - 6*y^3*z^2 - 24*z^3 + 38*y*z^3 - 12*y^2*z^3 + 16*z^4 - 12*y*z^4 - 4*z^5)*G[0, -y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (12*(-1 + z)*z*(-1 + y + z)*G[1, 0, 0, z])/y^2 + (6*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)*G[1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (12*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, z])/ y^2 + (12*(-1 + z)*z*(-1 + y + z)*G[1, 1 - y, 0, z])/y^2 - (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1 - y, 0, 0, z])/ (y^2*z^2) + (3*(-2*y + 6*y^2 - 7*y^3 + 3*y^4 - 4*z + 18*y*z - 24*y^2*z + 9*y^3*z + 16*z^2 - 42*y*z^2 + 30*y^2*z^2 - 2*y^3*z^2 - 24*z^3 + 38*y*z^3 - 12*y^2*z^3 + 16*z^4 - 12*y*z^4 - 4*z^5)* G[1 - y, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + 4*z^3 - 4*z^4)*G[1 - y, 1, 0, z])/ (y^2*z^2) + (3*(-1 + y + z)*(-3*y^3 + 6*y^3*z + 4*z^3 - 4*z^4)* G[1 - y, 1 - y, 0, z])/(y^2*z^2) + (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, 0, 1 - y, z])/y^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[-y, 1 - y, 0, z])/ (y^2*z^2) - (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, 1 - y, 1 - y, z])/y^2 - (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, -y, 1 - y, z])/ y^2 + (30*y*(-1 + y - z + 2*z^2)*Zeta[3])/(-1 + y + z)^2) + G[1 - y, 1 - y, z]*((I*Pi^3*(-1 + y + z))/y + (I*Pi*(7*y^3 - 7*y^4 + 4*y^2*z - 29*y^3*z + 14*y^4*z - 13*y*z^2 - y^2*z^2 + 28*y^3*z^2 - 14*z^3 + 41*y*z^3 + 28*z^4 - 28*y*z^4 - 14*z^5))/(y*z*(y + z)^2) - (24*y^2 + 60*y^3 - 144*y^4 + 12*y^5 + 48*y^6 - 120*y*z + 247*y^2*z - 387*y^3*z + 329*y^4*z - 69*y^5*z - 48*z^2 - 54*y*z^2 + 452*y^2*z^2 - 244*y^3*z^2 - 154*y^4*z^2 - 213*z^3 + 1197*y*z^3 - 1448*y^2*z^3 + 368*y^3*z^3 + 570*z^4 - 1332*y*z^4 + 714*y^2*z^4 - 309*z^5 + 309*y*z^5)/ (6*(-1 + y)*y*z*(y + z)^2) - (Pi^2*(8*y^5 - 42*y^6 + 90*y^7 - 100*y^8 + 60*y^9 - 18*y^10 + 2*y^11 + 16*y^4*z - 86*y^5*z + 146*y^6*z - 50*y^7*z - 100*y^8*z + 94*y^9*z - 14*y^10*z - 6*y^11*z - 16*y^3*z^2 + 81*y^4*z^2 - 321*y^5*z^2 + 897*y^6*z^2 - 1407*y^7*z^2 + 1166*y^8*z^2 - 464*y^9*z^2 + 60*y^10*z^2 + 4*y^11*z^2 - 64*y^2*z^3 + 381*y^3*z^3 - 1026*y^4*z^3 + 1936*y^5*z^3 - 2826*y^6*z^3 + 2847*y^7*z^3 - 1712*y^8*z^3 + 508*y^9*z^3 - 44*y^10*z^3 - 56*y*z^4 + 486*y^2*z^4 - 1359*y^3*z^4 + 1839*y^4*z^4 - 1691*y^5*z^4 + 1727*y^6*z^4 - 1730*y^7*z^4 + 982*y^8*z^4 - 198*y^9*z^4 - 16*z^5 + 282*y*z^5 - 1088*y^2*z^5 + 1282*y^3*z^5 + 486*y^4*z^5 - 2222*y^5*z^5 + 1446*y^6*z^5 + 50*y^7*z^5 - 188*y^8*z^5 + 68*z^6 - 522*y*z^6 + 890*y^2*z^6 + 716*y^3*z^6 - 3774*y^4*z^6 + 4370*y^5*z^6 - 1884*y^6*z^6 + 200*y^7*z^6 - 112*z^7 + 446*y*z^7 - 68*y^2*z^7 - 1862*y^3*z^7 + 3420*y^4*z^7 - 2312*y^5*z^7 + 488*y^6*z^7 + 88*z^8 - 186*y*z^8 - 216*y^2*z^8 + 1022*y^3*z^8 - 1090*y^4*z^8 + 318*y^5*z^8 - 32*z^9 + 48*y*z^9 + 48*y^2*z^9 - 160*y^3*z^9 + 64*y^4*z^9 + 4*z^10 - 12*y*z^10 + 12*y^2*z^10 - 4*y^3*z^10))/ (12*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)*(y + z)^3) - (6*(-1 + y + z)*(-2*y^3 + 4*y^3*z - y*z^2 - 2*z^3 + 2*z^4)* G[0, 0, 1, y])/(y^2*z^2) - (9*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 4*z^3 - 4*z^4)*G[0, 1, 0, y])/(y^2*z^2) - (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[0, 1, 1, y])/(y^2*z^2) - (3*(-1 + y + z)*(-3*y^2 + 6*y^2*z - 2*z^2)*G[1, 0, 0, y])/(y*z^2) - (9*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1, 0, 1, y])/(y^2*z^2) + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*y*z^2 + 7*z^3 - 7*z^4)*G[1, 1, 0, y])/(y^2*z^2) - (3*(-1 + y + z)*(-7*y^3 + 14*y^3*z + 8*y*z^2 + 14*z^3 - 14*z^4)* Zeta[3])/(y^2*z^2)) + G[-y, 1 - y, z]* (((-I)*Pi^3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (y^2*z^2) - (I*Pi*(4*y^3 - 20*y^4 + 36*y^5 - 28*y^6 + 8*y^7 - 14*y^2*z + 41*y^3*z - 28*y^4*z - 11*y^5*z + 12*y^6*z + 3*y*z^2 + 34*y^2*z^2 - 74*y^3*z^2 + 43*y^4*z^2 - 6*y^5*z^2 + 4*z^3 - 29*y*z^3 + 59*y^2*z^3 - 54*y^3*z^3 + 4*y^4*z^3 - 8*z^4 + 34*y*z^4 - 60*y^2*z^4 + 18*y^3*z^4 + 4*z^5 - 8*y*z^5 + 4*y^2*z^5))/((-1 + y)^2*y^2*z^2) - (3*y^3 - 51*y^4 + 243*y^5 - 525*y^6 + 582*y^7 - 324*y^8 + 72*y^9 + 108*y^3*z - 301*y^4*z + 12*y^5*z + 699*y^6*z - 770*y^7*z + 252*y^8*z - 9*y*z^2 + 112*y^2*z^2 - 966*y^3*z^2 + 2112*y^4*z^2 - 1563*y^5*z^2 + 148*y^6*z^2 + 166*y^7*z^2 - 6*z^3 - 27*y*z^3 - 221*y^2*z^3 + 1280*y^3*z^3 - 1654*y^4*z^3 + 828*y^5*z^3 - 200*y^6*z^3 - 12*z^4 + 343*y*z^4 - 884*y^2*z^4 + 1301*y^3*z^4 - 804*y^4*z^4 - 120*y^5*z^4 + 78*z^5 - 653*y*z^5 + 1657*y^2*z^5 - 1666*y^3*z^5 + 232*y^4*z^5 - 96*z^6 + 418*y*z^6 - 700*y^2*z^6 + 202*y^3*z^6 + 36*z^7 - 72*y*z^7 + 36*y^2*z^7)/(4*(-1 + y)^2*y^2*z^2*(-1 + y + z)* (y + z)) + (Pi^2*(-17*y^6 + 31*y^7 - 19*y^8 + 5*y^9 - 39*y^5*z + 108*y^6*z - 131*y^7*z + 50*y^8*z + 4*y^9*z - 42*y^4*z^2 + 133*y^5*z^2 - 281*y^6*z^2 + 154*y^7*z^2 + 20*y^8*z^2 - 126*y^3*z^3 + 314*y^4*z^3 - 413*y^5*z^3 + 252*y^6*z^3 + 60*y^7*z^3 - 25*y^2*z^4 + 291*y^3*z^4 - 419*y^4*z^4 + 272*y^5*z^4 + 120*y^6*z^4 + 57*y*z^5 - 142*y^2*z^5 + 17*y^3*z^5 + 82*y^4*z^5 + 176*y^5*z^5 + 40*z^6 - 295*y*z^6 + 527*y^2*z^6 - 338*y^3*z^6 + 244*y^4*z^6 - 120*z^7 + 471*y*z^7 - 552*y^2*z^7 + 300*y^3*z^7 + 136*z^8 - 333*y*z^8 + 240*y^2*z^8 - 72*z^9 + 100*y*z^9 + 16*z^10))/(12*y^2*z^2*(-1 + y + z)^2*(y + z)^3) - (3*(-1 + y + z)*(y + z)*(-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3)*G[0, 0, 1, y])/(y^2*z^2) - (3*(-1 + y + z)*(-2*y^3 + 4*y^3*z + y*z^2 + 6*z^3 - 6*z^4)* G[0, 1, 0, y])/(y^2*z^2) + (3*(-1 + y + z)*(-4*y^3 + 8*y^3*z + y*z^2 + 2*z^3 - 2*z^4)*G[0, 1, 1, y])/(y^2*z^2) - (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1, 0, 0, y])/ (y^2*z^2) + (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)*G[1, 0, 1, y])/(y^2*z^2) + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1, 1, 0, y])/y^2 - (3*(-1 + y + z)*(-7*y^3 + 14*y^3*z + 9*y*z^2 + 14*z^3 - 14*z^4)* Zeta[3])/(y^2*z^2)) + G[1, 1 - y, z]* (((-I)*Pi^3*(-1 + z)*(-1 + 2*y + z))/(y*(-1 + y + z)) - (Pi^2*(4*y - 14*y^2 + 7*y^3 + 5*y^4 - 2*y^5 + 8*z - 34*y*z + 36*y^2*z + 28*y^3*z - 75*y^4*z + 28*y^5*z - 28*z^2 + 60*y*z^2 + 20*y^2*z^2 - 138*y^3*z^2 + 125*y^4*z^2 - 22*y^5*z^2 + 14*z^3 - 62*y^2*z^3 + 164*y^3*z^3 - 125*y^4*z^3 + 28*y^5*z^3 + 70*z^4 - 60*y*z^4 - 84*y^2*z^4 - 61*y^3*z^4 + 70*y^4*z^4 - 140*z^5 + 6*y*z^5 + 178*y^2*z^5 + 112*z^6 + 44*y*z^6 - 74*y^2*z^6 - 42*z^7 - 20*y*z^7 + 6*z^8))/(12*y^2*(-1 + z)*z^2* (-1 + y + z)^2) - (3*(-1 + z)*(y - 3*y^2 + 2*y^3 + 2*z - 8*y*z + 9*y^2*z + 2*y^3*z - 6*z^2 + 13*y*z^2 - 6*y^2*z^2 + 6*z^3 - 6*y*z^3 - 2*z^4)*G[0, 0, 1, y])/(y^2*(-1 + y + z)^2) - (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 6*z + 20*y*z - 21*y^2*z + 8*y^3*z + 18*z^2 - 37*y*z^2 + 18*y^2*z^2 - 18*z^3 + 18*y*z^3 + 6*z^4)*G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[0, 1, 1, y])/ (y^2*(-1 + y + z)) + (6*(1 - 3*y + 2*y^2 - z)*(-1 + z)^2* G[1, 0, 0, y])/(y*(-1 + y + z)^2) - (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)* G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (3*(-1 + z)*(-3*y + 9*y^2 - 6*y^3 - 14*z + 48*y*z - 51*y^2*z + 20*y^3*z + 42*z^2 - 87*y*z^2 + 42*y^2*z^2 - 42*z^3 + 42*y*z^3 + 14*z^4)*G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) - (3*(-1 + z)*(-5*y + 15*y^2 - 10*y^3 - 6*z + 28*y*z - 33*y^2*z + 18*y^3*z + 18*z^2 - 41*y*z^2 + 18*y^2*z^2 - 18*z^3 + 18*y*z^3 + 6*z^4)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[0, 1, z]*(-1/12*(Pi^2*(-1 + 2*y + z)*(-2*y^3 + 8*y^4 - 8*y^5 - 16*y^6 + 52*y^7 - 58*y^8 + 30*y^9 - 6*y^10 - 6*y^2*z + 30*y^3*z - 49*y^4*z - 28*y^5*z + 222*y^6*z - 344*y^7*z + 253*y^8*z - 90*y^9*z + 12*y^10*z - 6*y*z^2 + 42*y^2*z^2 - 123*y^3*z^2 + 68*y^4*z^2 + 381*y^5*z^2 - 885*y^6*z^2 + 820*y^7*z^2 - 357*y^8*z^2 + 60*y^9*z^2 - 2*z^3 + 26*y*z^3 - 96*y^2*z^3 + 18*y^3*z^3 + 677*y^4*z^3 - 1626*y^5*z^3 + 1645*y^6*z^3 - 800*y^7*z^3 + 158*y^8*z^3 + 6*z^4 - 28*y*z^4 - 100*y^2*z^4 + 896*y^3*z^4 - 2121*y^4*z^4 + 2281*y^5*z^4 - 1206*y^6*z^4 + 272*y^7*z^4 + 2*z^5 - 92*y*z^5 + 640*y^2*z^5 - 1698*y^3*z^5 + 2056*y^4*z^5 - 1188*y^5*z^5 + 296*y^6*z^5 - 22*z^6 + 218*y*z^6 - 738*y^2*z^6 + 1081*y^3*z^6 - 695*y^4*z^6 + 188*y^5*z^6 + 24*z^7 - 142*y*z^7 + 282*y^2*z^7 - 210*y^3*z^7 + 62*y^4*z^7 - 8*z^8 + 24*y*z^8 - 24*y^2*z^8 + 8*y^3*z^8))/ ((-1 + y)^3*y^2*z*(-1 + y + z)^2*(y + z)^3) + (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[0, 0, 1, y])/ (y^2*(-1 + y + z)) - (6*(1 - 3*y + 2*y^2 - z)*(-1 + z)^2* G[0, 1, 0, y])/(y*(-1 + y + z)^2) - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[1, 0, 1, y])/ (y^2*(-1 + y + z)) + (6*(1 - 3*y + 2*y^2 - z)*(-1 + z)^2* G[1, 1, 0, y])/(y*(-1 + y + z)^2) - (6*(-1 + z)*(-3*y + 9*y^2 - 6*y^3 - 8*z + 30*y*z - 33*y^2*z + 14*y^3*z + 24*z^2 - 51*y*z^2 + 24*y^2*z^2 - 24*z^3 + 24*y*z^3 + 8*z^4)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1, 1, z]*(((2*I)*Pi^3*(-1 + z)*z*(-1 + 2*y + z)*(1 - y + y^2 - 2*z + y*z + z^2))/(y^2*(-1 + y + z)^2) + (Pi^2*(-1 + z)*(-1 + 2*y + z)* (-5*y - y^2 + 12*y^3 - 6*y^4 - 8*z + 15*y*z + 14*y^2*z - 36*y^3*z + 12*y^4*z + 20*z^2 - 13*y*z^2 - 27*y^2*z^2 + 24*y^3*z^2 + 12*z^3 - 55*y*z^3 + 70*y^2*z^3 - 52*z^4 + 58*y*z^4 + 28*z^5))/(12*y^2*z^2*(-1 + y + z)^2) - (6*(-1 + z)*(-2*y + 6*y^2 - 4*y^3 - 4*z + 16*y*z - 18*y^2*z + 9*y^3*z + 12*z^2 - 26*y*z^2 + 12*y^2*z^2 - 12*z^3 + 12*y*z^3 + 4*z^4)*G[0, 0, 1, y])/(y^2*(-1 + y + z)^2) + (6*(-1 + z)*(-2*y + 6*y^2 - 4*y^3 - 5*z + 19*y*z - 21*y^2*z + 9*y^3*z + 15*z^2 - 32*y*z^2 + 15*y^2*z^2 - 15*z^3 + 15*y*z^3 + 5*z^4)*G[0, 1, 0, y])/(y^2*(-1 + y + z)^2) + (6*(-1 + z)*(-2*y + 6*y^2 - 4*y^3 - 4*z + 16*y*z - 18*y^2*z + 9*y^3*z + 12*z^2 - 26*y*z^2 + 12*y^2*z^2 - 12*z^3 + 12*y*z^3 + 4*z^4)*G[1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (6*(-1 + z)*(-2*y + 6*y^2 - 4*y^3 - 5*z + 19*y*z - 21*y^2*z + 9*y^3*z + 15*z^2 - 32*y*z^2 + 15*y^2*z^2 - 15*z^3 + 15*y*z^3 + 5*z^4)*G[1, 1, 0, y])/(y^2*(-1 + y + z)^2) + (6*(-1 + z)*(-6*y + 18*y^2 - 12*y^3 - 12*z + 48*y*z - 54*y^2*z + 25*y^3*z + 36*z^2 - 78*y*z^2 + 36*y^2*z^2 - 36*z^3 + 36*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 + 2*z - 2*z^2))/y^2 - (I*Pi*(7*y^2 - 21*y^3 + 21*y^4 - 7*y^5 + 5*y*z - 67*y^2*z + 130*y^3*z - 82*y^4*z + 14*y^5*z + 14*z^2 - 128*y*z^2 + 331*y^2*z^2 - 272*y^3*z^2 + 54*y^4*z^2 - 66*z^3 + 324*y*z^3 - 388*y^2*z^3 + 94*y^3*z^3 + 102*z^4 - 253*y*z^4 + 94*y^2*z^4 - 62*z^5 + 52*y*z^5 + 12*z^6))/(z*(-1 + y + z)^2*(y + z)^2) - (-96*y^3 + 373*y^4 - 546*y^5 + 357*y^6 - 88*y^7 - 69*y^2*z + 907*y^3*z - 2341*y^4*z + 2388*y^5*z - 1027*y^6*z + 142*y^7*z - 155*y*z^2 + 1705*y^2*z^2 - 5436*y^3*z^2 + 6914*y^4*z^2 - 3652*y^5*z^2 + 624*y^6*z^2 - 6*z^3 + 843*y*z^3 - 4830*y^2*z^3 + 8561*y^3*z^3 - 5742*y^4*z^3 + 1206*y^5*z^3 + 24*z^4 - 1395*y*z^4 + 4535*y^2*z^4 - 4358*y^3*z^4 + 1258*y^4*z^4 - 30*z^5 + 869*y*z^5 - 1491*y^2*z^5 + 684*y^3*z^5 + 12*z^6 - 162*y*z^6 + 150*y^2*z^6)/ (4*(-1 + y)*y*z*(-1 + y + z)^2*(y + z)^2) - (Pi^2*(-6*y^5 + 24*y^6 - 30*y^7 + 12*y^8 - 2*y^4*z + 44*y^5*z - 133*y^6*z + 127*y^7*z - 36*y^8*z + 76*y^3*z^2 - 290*y^4*z^2 + 249*y^5*z^2 + 197*y^6*z^2 - 265*y^7*z^2 + 40*y^8*z^2 + 121*y^2*z^3 - 929*y^3*z^3 + 1969*y^4*z^3 - 1123*y^5*z^3 - 334*y^6*z^3 + 216*y^7*z^3 + 85*y*z^4 - 1035*y^2*z^4 + 3656*y^3*z^4 - 4355*y^4*z^4 + 1152*y^5*z^4 + 294*y^6*z^4 + 20*z^5 - 528*y*z^5 + 3112*y^2*z^5 - 6216*y^3*z^5 + 3918*y^4*z^5 - 300*y^5*z^5 - 96*z^6 + 1259*y*z^6 - 4348*y^2*z^6 + 4811*y^3*z^6 - 1240*y^4*z^6 + 186*z^7 - 1464*y*z^7 + 2898*y^2*z^7 - 1398*y^3*z^7 - 182*z^8 + 838*y*z^8 - 748*y^2*z^8 + 90*z^9 - 190*y*z^9 - 18*z^10))/(12*y^2*(-1 + z)*z*(-1 + y + z)^2* (y + z)^3) + (((-12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((-1 + z)*(y - 3*y^2 - 7*y^3 + 15*y^4 - 6*y^5 - 2*y*z - 7*y^2*z + 38*y^3*z - 45*y^4*z + 12*y^5*z + 25*y^2*z^2 - 55*y^3*z^2 + 30*y^4*z^2 - 20*z^3 + 60*y*z^3 - 71*y^2*z^3 + 40*y^3*z^3 + 60*z^4 - 117*y*z^4 + 56*y^2*z^4 - 60*z^5 + 58*y*z^5 + 20*z^6))/ (2*y^2*z^2*(-1 + y + z)^2))*G[1, 0, z] + (((-6*I)*Pi*(1 - 3*y + 2*y^2 - z)*(-1 + z)^2)/(y*(-1 + y + z)^2) + (4*y - 14*y^2 + 7*y^3 + 5*y^4 - 2*y^5 + 8*z - 34*y*z + 36*y^2*z + 28*y^3*z - 75*y^4*z + 28*y^5*z - 28*z^2 + 60*y*z^2 + 20*y^2*z^2 - 138*y^3*z^2 + 125*y^4*z^2 - 22*y^5*z^2 + 18*z^3 - 22*y*z^3 - 8*y^2*z^3 + 108*y^3*z^3 - 125*y^4*z^3 + 28*y^5*z^3 + 50*z^4 + 28*y*z^4 - 246*y^2*z^4 + 51*y^3*z^4 + 70*y^4*z^4 - 100*z^5 - 126*y*z^5 + 340*y^2*z^5 - 56*y^3*z^5 + 72*z^6 + 132*y*z^6 - 128*y^2*z^6 - 22*z^7 - 42*y*z^7 + 2*z^8)/ (2*y^2*(-1 + z)*z^2*(-1 + y + z)^2))*G[1, 1 - y, z] + (((12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + (2*y^3 - 6*y^4 + 12*y^5 - 32*y^6 + 42*y^7 - 18*y^8 + 6*y^2*z - 26*y^3*z + 51*y^4*z - 125*y^5*z + 241*y^6*z - 183*y^7*z + 36*y^8*z + 6*y*z^2 - 42*y^2*z^2 + 85*y^3*z^2 - 124*y^4*z^2 + 375*y^5*z^2 - 506*y^6*z^2 + 186*y^7*z^2 + 2*z^3 - 30*y*z^3 + 128*y^2*z^3 - 113*y^3*z^3 + 120*y^4*z^3 - 473*y^5*z^3 + 336*y^6*z^3 - 8*z^4 + 96*y*z^4 - 238*y^2*z^4 - 14*y^3*z^4 + 38*y^4*z^4 + 196*y^5*z^4 + 30*z^5 - 240*y*z^5 + 279*y^2*z^5 + 179*y^3*z^5 - 98*y^4*z^5 - 84*z^6 + 357*y*z^6 - 170*y^2*z^6 - 124*y^3*z^6 + 120*z^7 - 259*y*z^7 + 34*y^2*z^7 - 80*z^8 + 70*y*z^8 + 20*z^9)/(2*y^2*z*(-1 + y + z)^2*(y + z)^3))* G[1 - y, 0, z] + (((6*I)*Pi*(-1 + y + z)*(-y^2 + 2*y^2*z - z^2))/ (y*z^2) - (-4*y^4 + 10*y^5 - 13*y^6 + 12*y^7 - 5*y^8 - 20*y^3*z + 52*y^4*z - 31*y^5*z - 17*y^6*z + 15*y^7*z + y^8*z - 36*y^2*z^2 + 116*y^3*z^2 - 48*y^4*z^2 - 173*y^5*z^2 + 258*y^6*z^2 - 97*y^7*z^2 + 4*y^8*z^2 - 28*y*z^3 + 136*y^2*z^3 - 112*y^3*z^3 - 162*y^4*z^3 + 530*y^5*z^3 - 492*y^6*z^3 + 86*y^7*z^3 - 8*z^4 + 82*y*z^4 - 104*y^2*z^4 + 126*y^3*z^4 - 13*y^4*z^4 - 622*y^5*z^4 + 312*y^6*z^4 + 20*z^5 - 36*y*z^5 + 146*y^2*z^5 - 863*y^3*z^5 + 341*y^4*z^5 + 334*y^5*z^5 + 2*z^6 - 30*y*z^6 - 704*y^2*z^6 + 1291*y^3*z^6 - 150*y^4*z^6 - 48*z^7 - 94*y*z^7 + 922*y^2*z^7 - 538*y^3*z^7 + 52*z^8 + 180*y*z^8 - 360*y^2*z^8 - 20*z^9 - 74*y*z^9 + 2*z^10)/(2*y^2*(-1 + z)*z^2*(-1 + y + z)* (y + z)^3))*G[1 - y, 1 - y, z] - ((-y + 2*y^2 - 2*y^3 + 4*y^4 - 2*y^5 - 2*z + 6*y*z - 4*y^2*z + 12*y^3*z - 16*y^4*z + 4*y^5*z + 6*z^2 - 32*y*z^2 + 36*y^2*z^2 - 14*y^3*z^2 - 4*y^4*z^2 - 4*z^3 + 72*y*z^3 - 72*y^2*z^3 + 4*y^3*z^3 - 72*y*z^4 + 36*y^2*z^4 + 24*y*z^5)*G[1 - y, -y, z])/ (2*y^2*z^2*(-1 + y + z)) + (((-6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (y^2*z^2) + (-16*y^6 + 34*y^7 - 24*y^8 + 6*y^9 - 16*y^5*z + 48*y^6*z - 48*y^7*z + 12*y^8*z + 2*y^9*z + 38*y^4*z^2 - 174*y^5*z^2 + 239*y^6*z^2 - 145*y^7*z^2 + 38*y^8*z^2 - 16*y^3*z^3 - 230*y^4*z^3 + 697*y^5*z^3 - 594*y^6*z^3 + 168*y^7*z^3 + 40*y^2*z^4 - 148*y^3*z^4 + 672*y^4*z^4 - 861*y^5*z^4 + 316*y^6*z^4 + 68*y*z^5 - 302*y^2*z^5 + 496*y^3*z^5 - 596*y^4*z^5 + 284*y^5*z^5 + 38*z^6 - 320*y*z^6 + 601*y^2*z^6 - 387*y^3*z^6 + 136*y^4*z^6 - 124*z^7 + 495*y*z^7 - 450*y^2*z^7 + 104*y^3*z^7 + 152*z^8 - 325*y*z^8 + 132*y^2*z^8 - 84*z^9 + 82*y*z^9 + 18*z^10)/(2*y^2*z^2*(-1 + y + z)^2* (y + z)^3))*G[-y, 0, z] + (((6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (y^2*z^2) - (-15*y^6 + 27*y^7 - 16*y^8 + 4*y^9 - 13*y^5*z + 2*y^6*z + 10*y^7*z - 12*y^8*z + 6*y^9*z + 53*y^4*z^2 - 308*y^5*z^2 + 425*y^6*z^2 - 245*y^7*z^2 + 60*y^8*z^2 + 21*y^3*z^3 - 474*y^4*z^3 + 1091*y^5*z^3 - 838*y^6*z^3 + 234*y^7*z^3 + 76*y^2*z^4 - 427*y^3*z^4 + 1258*y^4*z^4 - 1285*y^5*z^4 + 454*y^6*z^4 + 80*y*z^5 - 472*y^2*z^5 + 1038*y^3*z^5 - 1116*y^4*z^5 + 484*y^5*z^5 + 38*z^6 - 356*y*z^6 + 855*y^2*z^6 - 783*y^3*z^6 + 328*y^4*z^6 - 120*z^7 + 525*y*z^7 - 598*y^2*z^7 + 218*y^3*z^7 + 142*z^8 - 331*y*z^8 + 166*y^2*z^8 - 76*z^9 + 82*y*z^9 + 16*z^10)/(2*y^2*z^2*(-1 + y + z)^2* (y + z)^3))*G[-y, 1 - y, z] + (((6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/y^2 + (2*y^3 - 2*y^4 - 10*y^3*z + 4*y^4*z + 9*y*z^2 + 19*y^2*z^2 - 6*y^3*z^2 - 20*z^3 + 9*y*z^3 - 8*y^2*z^3 + 40*z^4 - 18*y*z^4 - 20*z^5)/(2*y^2*z^2))*G[-y, -y, z] + (18*(-1 + z)*z*(-1 + y + z)*G[0, 0, 0, z])/y^2 - (18*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1 - y, z])/y^2 - (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[0, 0, -y, z])/y^2 + (12*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, z])/y^2 + (6*(1 - 3*y + 2*y^2 - z)*(-1 + z)^2*G[0, 1, 1 - y, z])/ (y*(-1 + y + z)^2) - (18*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 0, z])/ y^2 + (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 - 4*z^3 + 4*z^4)* G[0, 1 - y, 1 - y, z])/(y^2*z^2) + (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[0, 1 - y, -y, z])/y^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 10*z^3 + 10*z^4)*G[0, -y, 0, z])/ (y^2*z^2) + (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z - y*z^2 + 3*y^2*z^2 + 5*y^3*z^2 - 13*y^4*z^2 + 6*y^5*z^2 + 8*z^3 - 21*y*z^3 + 18*y^2*z^3 - 13*y^3*z^3 + 6*y^4*z^3 - 32*z^4 + 69*y*z^4 - 45*y^2*z^4 + 12*y^3*z^4 + 48*z^5 - 71*y*z^5 + 24*y^2*z^5 - 32*z^6 + 24*y*z^6 + 8*z^7)* G[0, -y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[0, -y, -y, z])/y^2 + (24*(-1 + z)*z*(-1 + y + z)*G[1, 0, 0, z])/y^2 - (3*(-1 + z)*(y - 3*y^2 + 2*y^3 - 6*z + 16*y*z - 15*y^2*z + 4*y^3*z + 18*z^2 - 35*y*z^2 + 18*y^2*z^2 - 18*z^3 + 18*y*z^3 + 6*z^4)* G[1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (6*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, z])/y^2 - (6*(-1 + z)*(-2*y + 6*y^2 - 4*y^3 - 5*z + 19*y*z - 21*y^2*z + 9*y^3*z + 15*z^2 - 32*y*z^2 + 15*y^2*z^2 - 15*z^3 + 15*y*z^3 + 5*z^4)*G[1, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) - (24*(-1 + z)*z*(-1 + y + z)*G[1, 1 - y, 0, z])/y^2 + (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 6*z + 20*y*z - 21*y^2*z + 8*y^3*z + 18*z^2 - 37*y*z^2 + 18*y^2*z^2 - 18*z^3 + 18*y*z^3 + 6*z^4)*G[1, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (12*(-1 + z)*z*(-1 + y + z)*G[1 - y, 0, 0, z])/y^2 - (3*(-1 + y + z)*(-3*y^3 + 6*y^3*z - y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, 0, 1 - y, z])/(y^2*z^2) + (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1 - y, 0, -y, z])/y^2 + (3*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, 1, 0, z])/z^2 - (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z - 5*y*z^2 + 15*y^2*z^2 - 7*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 10*z^3 + 45*y*z^3 - 60*y^2*z^3 + 17*y^3*z^3 + 6*y^4*z^3 + 40*z^4 - 105*y*z^4 + 75*y^2*z^4 - 6*y^3*z^4 - 60*z^5 + 95*y*z^5 - 30*y^2*z^5 + 40*z^6 - 30*y*z^6 - 10*z^7)* G[1 - y, 1, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2) - (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 3*z^3 - 3*z^4)*G[1 - y, 1 - y, 0, z])/(y^2*z^2) + (9*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 4*z^3 - 4*z^4)*G[1 - y, 1 - y, 1 - y, z])/(y^2*z^2) + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1 - y, -y, 0, z])/ (y^2*z^2) - (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[1 - y, -y, 1 - y, z])/(y^2*z^2) - (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1 - y, -y, -y, z])/y^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[-y, 0, 0, z])/ (y^2*z^2) - (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[-y, 0, 1 - y, z])/(y^2*z^2) + (6*(-1 + y + z)*(y + 2*z - 2*z^2)* G[-y, 0, -y, z])/y^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[-y, 1 - y, 0, z])/(y^2*z^2) + (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 4*z^3 - 4*z^4)* G[-y, 1 - y, 1 - y, z])/(y^2*z^2) - (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, 1 - y, -y, z])/y^2 - (12*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[-y, -y, 0, z])/ (y^2*z^2) + (3*(-1 + y + z)*(-4*y^3 + 8*y^3*z - y*z^2 + 6*z^3 - 6*z^4)*G[-y, -y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, -y, -y, z])/y^2 - (3*(-7*y + 21*y^2 - 18*y^3 + 4*y^4 - 18*z + 75*y*z - 96*y^2*z + 42*y^3*z + 72*z^2 - 183*y*z^2 + 129*y^2*z^2 - 24*y^3*z^2 - 108*z^3 + 169*y*z^3 - 54*y^2*z^3 + 72*z^4 - 54*y*z^4 - 18*z^5)* Zeta[3])/(y^2*(-1 + y + z)^2)) + G[0, 1, y]* (((-I)*Pi^3*(y^3 + 2*z - 4*y*z + 2*y^2*z - 6*z^2 + 8*y*z^2 - 2*y^2*z^2 + 6*z^3 - 4*y*z^3 - 2*z^4))/(y^2*(-1 + y + z)) - (I*Pi*(-7*y^3 + 14*y^4 - 7*y^5 + 3*y*z + 8*y^2*z - 2*y^3*z - 23*y^4*z + 14*y^5*z + 4*z^2 - 29*y*z^2 + 71*y^2*z^2 - 78*y^3*z^2 + 16*y^4*z^2 - 8*z^3 + 34*y*z^3 - 60*y^2*z^3 + 18*y^3*z^3 + 4*z^4 - 8*y*z^4 + 4*y^2*z^4))/((-1 + y)^2*y^2*z) - (3*y^2 - 4*y^3 + 82*y^4 - 252*y^5 + 259*y^6 - 88*y^7 - 3*y*z - 75*y^2*z + 181*y^3*z - 424*y^4*z + 762*y^5*z - 583*y^6*z + 142*y^7*z - 6*z^2 - 51*y*z^2 + 330*y^2*z^2 - 996*y^3*z^2 + 1911*y^4*z^2 - 1558*y^5*z^2 + 370*y^6*z^2 - 12*z^3 + 373*y*z^3 - 1425*y^2*z^3 + 2857*y^3*z^3 - 2413*y^4*z^3 + 444*y^5*z^3 + 78*z^4 - 665*y*z^4 + 1831*y^2*z^4 - 1978*y^3*z^4 + 382*y^4*z^4 - 96*z^5 + 418*y*z^5 - 700*y^2*z^5 + 202*y^3*z^5 + 36*z^6 - 72*y*z^6 + 36*y^2*z^6)/(4*(-1 + y)^2*y^2*z*(-1 + y + z)*(y + z)) + (Pi^2*(12*y^5 - 72*y^6 + 180*y^7 - 240*y^8 + 180*y^9 - 72*y^10 + 12*y^11 + 30*y^4*z - 268*y^5*z + 941*y^6*z - 1720*y^7*z + 1780*y^8*z - 1040*y^9*z + 313*y^10*z - 36*y^11*z + 30*y^3*z^2 - 498*y^4*z^2 + 2403*y^5*z^2 - 5558*y^6*z^2 + 7167*y^7*z^2 - 5375*y^8*z^2 + 2276*y^9*z^2 - 477*y^10*z^2 + 32*y^11*z^2 + 89*y^2*z^3 - 994*y^3*z^3 + 4689*y^4*z^3 - 11728*y^5*z^3 + 17054*y^6*z^3 - 14938*y^7*z^3 + 7758*y^8*z^3 - 2166*y^9*z^3 + 236*y^10*z^3 + 99*y*z^4 - 1202*y^2*z^4 + 6130*y^3*z^4 - 16793*y^4*z^4 + 27043*y^5*z^4 - 26495*y^6*z^4 + 15677*y^7*z^4 - 5185*y^8*z^4 + 726*y^9*z^4 + 38*z^5 - 692*y*z^5 + 4544*y^2*z^5 - 15036*y^3*z^5 + 28263*y^4*z^5 - 31506*y^5*z^5 + 20869*y^6*z^5 - 7758*y^7*z^5 + 1262*y^8*z^5 - 150*z^6 + 1697*y*z^6 - 7757*y^2*z^6 + 18451*y^3*z^6 - 24690*y^4*z^6 + 18822*y^5*z^6 - 7821*y^6*z^6 + 1416*y^7*z^6 + 236*z^7 - 2020*y*z^7 + 6914*y^2*z^7 - 12020*y^3*z^7 + 11134*y^4*z^7 - 5326*y^5*z^7 + 1082*y^6*z^7 - 188*z^8 + 1264*y*z^8 - 3248*y^2*z^8 + 3947*y^3*z^8 - 2283*y^4*z^8 + 540*y^5*z^8 + 78*z^9 - 390*y*z^9 + 702*y^2*z^9 - 522*y^3*z^9 + 148*y^4*z^9 - 14*z^10 + 42*y*z^10 - 42*y^2*z^10 + 14*y^3*z^10))/(12*(-1 + y)^3*y^2*(-1 + z)*z* (-1 + y + z)^2*(y + z)^3) + (((-6*I)*Pi*y)/(-1 + y + z) + (-y^3 + 6*y^4 - 15*y^5 + 20*y^6 - 15*y^7 + 6*y^8 - y^9 + 2*z - 12*y*z + 44*y^2*z - 107*y^3*z + 153*y^4*z - 112*y^5*z + 22*y^6*z + 21*y^7*z - 13*y^8*z + 2*y^9*z - 8*z^2 + 34*y*z^2 - 92*y^2*z^2 + 160*y^3*z^2 - 108*y^4*z^2 - 70*y^5*z^2 + 148*y^6*z^2 - 76*y^7*z^2 + 12*y^8*z^2 + 6*z^3 + 20*y*z^3 - 156*y^2*z^3 + 356*y^3*z^3 - 464*y^4*z^3 + 390*y^5*z^3 - 194*y^6*z^3 + 42*y^7*z^3 + 24*z^4 - 213*y*z^4 + 682*y^2*z^4 - 952*y^3*z^4 + 652*y^4*z^4 - 255*y^5*z^4 + 62*y^6*z^4 - 52*z^5 + 295*y*z^5 - 661*y^2*z^5 + 595*y^3*z^5 - 225*y^4*z^5 + 48*y^5*z^5 + 36*z^6 - 148*y*z^6 + 228*y^2*z^6 - 108*y^3*z^6 + 24*y^4*z^6 - 8*z^7 + 24*y*z^7 - 24*y^2*z^7 + 8*y^3*z^7)/ (2*(-1 + y)^3*y^2*z^2*(-1 + y + z)^2))*G[0, 1 - y, z] - ((18*y^2 - 114*y^3 + 300*y^4 - 420*y^5 + 330*y^6 - 138*y^7 + 24*y^8 - 11*y*z - 48*y^2*z + 492*y^3*z - 1342*y^4*z + 1793*y^5*z - 1296*y^6*z + 486*y^7*z - 74*y^8*z + 6*z^2 + 14*y*z^2 + 89*y^2*z^2 - 863*y^3*z^2 + 2133*y^4*z^2 - 2489*y^5*z^2 + 1502*y^6*z^2 - 434*y^7*z^2 + 42*y^8*z^2 - 30*z^3 + 78*y*z^3 - 267*y^2*z^3 + 890*y^3*z^3 - 1567*y^4*z^3 + 1432*y^5*z^3 - 646*y^6*z^3 + 110*y^7*z^3 + 60*z^4 - 224*y*z^4 + 465*y^2*z^4 - 609*y^3*z^4 + 554*y^4*z^4 - 332*y^5*z^4 + 86*y^6*z^4 - 60*z^5 + 231*y*z^5 - 377*y^2*z^5 + 252*y^3*z^5 - 86*y^4*z^5 + 24*y^5*z^5 + 30*z^6 - 106*y*z^6 + 138*y^2*z^6 - 54*y^3*z^6 + 8*y^4*z^6 - 6*z^7 + 18*y*z^7 - 18*y^2*z^7 + 6*y^3*z^7)*G[0, -y, z])/(2*(-1 + y)^3*y^2*(-1 + z)*z* (-1 + y + z)^2) + (((-12*I)*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 - ((-1 + z)*(4*y - 6*y^2 - 7*y^3 + 15*y^4 - 6*y^5 + 8*z - 34*y*z + 22*y^2*z + 38*y^3*z - 45*y^4*z + 12*y^5*z - 28*z^2 + 70*y*z^2 - 16*y^2*z^2 - 55*y^3*z^2 + 30*y^4*z^2 + 32*z^3 - 48*y*z^3 - 4*y^2*z^3 + 40*y^3*z^3 - 8*z^4 + 2*y*z^4 + 4*y^2*z^4 - 8*z^5 + 6*y*z^5 + 4*z^6))/(2*y^2*z^2*(-1 + y + z)^2))*G[1, 0, z] + (((6*I)*Pi*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2))/ (y^2*(-1 + y + z)) - (7*y - 17*y^2 + 7*y^3 + 5*y^4 - 2*y^5 + 16*z - 72*y*z + 71*y^2*z + 28*y^3*z - 75*y^4*z + 28*y^5*z - 72*z^2 + 197*y*z^2 - 82*y^2*z^2 - 138*y^3*z^2 + 125*y^4*z^2 - 22*y^5*z^2 + 134*z^3 - 302*y*z^3 + 170*y^2*z^3 + 108*y^3*z^3 - 125*y^4*z^3 + 28*y^5*z^3 - 150*z^4 + 433*y*z^4 - 473*y^2*z^4 + 51*y^3*z^4 + 70*y^4*z^4 + 140*z^5 - 524*y*z^5 + 511*y^2*z^5 - 56*y^3*z^5 - 116*z^6 + 355*y*z^6 - 180*y^2*z^6 + 62*z^7 - 94*y*z^7 - 14*z^8)/(2*y^2*(-1 + z)*z^2*(-1 + y + z)^2))* G[1, 1 - y, z] + (((-6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/z^2 + (-4*y + 14*y^2 - 16*y^3 + 10*y^4 - 20*y^5 + 34*y^6 - 24*y^7 + 6*y^8 - 6*z + 40*y*z - 88*y^2*z + 100*y^3*z - 108*y^4*z + 128*y^5*z - 88*y^6*z + 20*y^7*z + 2*y^8*z + 22*z^2 - 107*y*z^2 + 197*y^2*z^2 - 220*y^3*z^2 + 240*y^4*z^2 - 227*y^5*z^2 + 117*y^6*z^2 - 22*y^7*z^2 - 24*z^3 + 90*y*z^3 - 96*y^2*z^3 - 14*y^3*z^3 + 26*y^4*z^3 + 68*y^5*z^3 - 50*y^6*z^3 - 4*z^4 + 36*y*z^4 - 118*y^2*z^4 + 268*y^3*z^4 - 240*y^4*z^4 + 58*y^5*z^4 + 20*z^5 - 76*y*z^5 + 108*y^2*z^5 - 116*y^3*z^5 + 32*y^4*z^5 - 8*z^6 + 24*y*z^6 - 24*y^2*z^6 + 8*y^3*z^6)/ (2*(-1 + y)^3*y^2*z^2*(-1 + y + z)))*G[1 - y, 0, z] + (((6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4))/ (y^2*z^2) - (4*y^4 - 14*y^5 + 13*y^6 + 5*y^7 - 10*y^8 - 4*y^9 + 9*y^10 - 3*y^11 + 20*y^3*z - 96*y^4*z + 149*y^5*z - 46*y^6*z - 91*y^7*z + 84*y^8*z - 25*y^9*z + 10*y^10*z - 5*y^11*z - 36*y^2*z^2 + 116*y^3*z^2 - 162*y^4*z^2 + 311*y^5*z^2 - 734*y^6*z^2 + 1033*y^7*z^2 - 811*y^8*z^2 + 360*y^9*z^2 - 85*y^10*z^2 + 8*y^11*z^2 - 28*y*z^3 + 220*y^2*z^3 - 624*y^3*z^3 + 1260*y^4*z^3 - 2505*y^5*z^3 + 3894*y^6*z^3 - 3726*y^7*z^3 + 1968*y^8*z^3 - 509*y^9*z^3 + 50*y^10*z^3 - 8*z^4 + 106*y*z^4 - 457*y^2*z^4 + 1403*y^3*z^4 - 3750*y^4*z^4 + 7125*y^5*z^4 - 8216*y^6*z^4 + 5218*y^7*z^4 - 1599*y^8*z^4 + 178*y^9*z^4 + 20*z^5 - 149*y*z^5 + 770*y^2*z^5 - 3121*y^3*z^5 + 7640*y^4*z^5 - 10741*y^5*z^5 + 8282*y^6*z^5 - 3085*y^7*z^5 + 416*y^8*z^5 - 18*z^6 + 233*y*z^6 - 1622*y^2*z^6 + 5259*y^3*z^6 - 9037*y^4*z^6 + 8502*y^5*z^6 - 3899*y^6*z^6 + 646*y^7*z^6 + 32*z^7 - 499*y*z^7 + 2322*y^2*z^7 - 4972*y^3*z^7 + 5700*y^4*z^7 - 3241*y^5*z^7 + 658*y^6*z^7 - 68*z^8 + 587*y*z^8 - 1695*y^2*z^8 + 2381*y^3*z^8 - 1683*y^4*z^8 + 414*y^5*z^8 + 60*z^9 - 304*y*z^9 + 552*y^2*z^9 - 480*y^3*z^9 + 140*y^4*z^9 - 18*z^10 + 54*y*z^10 - 54*y^2*z^10 + 18*y^3*z^10)/ (2*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)*(y + z)^3))* G[1 - y, 1 - y, z] + ((y - 5*y^2 + 8*y^3 - 15*y^5 + 19*y^6 - 10*y^7 + 2*y^8 + 2*z - 13*y*z + 51*y^2*z - 114*y^3*z + 130*y^4*z - 57*y^5*z - 17*y^6*z + 24*y^7*z - 6*y^8*z - 8*z^2 + 11*y*z^2 - 33*y^2*z^2 + 192*y^3*z^2 - 384*y^4*z^2 + 329*y^5*z^2 - 115*y^6*z^2 + 4*y^7*z^2 + 4*y^8*z^2 + 16*z^3 + 25*y*z^3 - 121*y^2*z^3 - 46*y^3*z^3 + 358*y^4*z^3 - 325*y^5*z^3 + 103*y^6*z^3 - 10*y^7*z^3 - 32*z^4 + 20*y*z^4 + 94*y^2*z^4 + 3*y^3*z^4 - 189*y^4*z^4 + 118*y^5*z^4 - 14*y^6*z^4 + 46*z^5 - 118*y*z^5 + 92*y^2*z^5 - 97*y^3*z^5 + 87*y^4*z^5 - 26*y^5*z^5 - 32*z^6 + 98*y*z^6 - 102*y^2*z^6 + 62*y^3*z^6 - 10*y^4*z^6 + 8*z^7 - 24*y*z^7 + 24*y^2*z^7 - 8*y^3*z^7)*G[1 - y, -y, z])/ (2*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)) - ((6*y^2 - 19*y^3 + 18*y^4 - 6*y^5 - 5*y*z - 17*y^2*z + 62*y^3*z - 51*y^4*z + 12*y^5*z + 2*z^2 + 17*y*z^2 + 7*y^2*z^2 - 47*y^3*z^2 + 31*y^4*z^2 - 2*z^3 - 39*y*z^3 + 31*y^2*z^3 + 12*y^3*z^3 - 2*z^4 + 35*y*z^4 - 15*y^2*z^4 + 2*z^5 - 8*y*z^5)*G[-y, 0, z])/ (y^2*z*(-1 + y + z)^2) + (((-6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/ z^2 + (-7*y^3 + 13*y^4 - 10*y^5 + 4*y^6 - 6*y^2*z + 29*y^3*z - 54*y^4*z + 20*y^5*z + 6*y^6*z + 5*y*z^2 + 11*y^2*z^2 - 73*y^3*z^2 + 55*y^4*z^2 + 8*y^5*z^2 - 2*z^3 - 17*y*z^3 - 8*y^2*z^3 + 79*y^3*z^3 + 4*y^4*z^3 + 16*z^4 - 9*y*z^4 + 49*y^2*z^4 - 16*y^3*z^4 - 30*z^5 + 29*y*z^5 - 22*y^2*z^5 + 20*z^6 - 8*y*z^6 - 4*z^7)/(2*y^2*z^2*(-1 + y + z)^2))* G[-y, 1 - y, z] + (((-6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/z^2 - (7*y^3 - 27*y^4 + 29*y^5 - 9*y^6 - 12*y^2*z - 27*y^3*z + 72*y^4*z - 43*y^5*z + 4*y^6*z + 8*y*z^2 + 32*y^2*z^2 - 30*y^3*z^2 + 4*y^4*z^2 - 8*y^5*z^2 - 4*z^3 - 22*y*z^3 - 42*y^2*z^3 + 104*y^3*z^3 - 28*y^4*z^3 + 28*z^4 - 21*y*z^4 + 81*y^2*z^4 - 40*y^3*z^4 - 52*z^5 + 51*y*z^5 - 32*y^2*z^5 + 36*z^6 - 16*y*z^6 - 8*z^7)/(2*y^2*z^2*(-1 + y + z)^2))* G[-y, -y, z] + (18*y*(-1 + z)*z*G[0, 0, 0, z])/(-1 + y + z)^2 - (3*y*(-1 + y - 7*z + 8*z^2)*G[0, 0, 1 - y, z])/(-1 + y + z)^2 + (6*y*(-1 + z)*z*G[0, 0, -y, z])/(-1 + y + z)^2 + (12*y*(-1 + z)*z*G[0, 1, 0, z])/(-1 + y + z)^2 - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[0, 1, 1 - y, z])/ (y^2*(-1 + y + z)) - (3*y*(1 - 3*y + 3*y^2 - y^3 - 5*z + 12*y*z - 9*y^2*z + 2*y^3*z + 9*z^2 - 15*y*z^2 + 6*y^2*z^2 - 3*z^3 + 6*y*z^3 - 2*z^4)*G[0, 1 - y, 0, z])/(z^2*(-1 + y + z)^2) + (3*y*(1 - 3*y + 3*y^2 - y^3 - 5*z + 12*y*z - 9*y^2*z + 2*y^3*z + 6*z^2 - 12*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 4*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 - 2*z + 9*y*z - 12*y^2*z + 3*y^3*z + 8*z^2 - 21*y*z^2 + 15*y^2*z^2 - 12*z^3 + 19*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[0, 1 - y, -y, z])/ (y^2*(-1 + y + z)^2) + (6*y*(-1 + z)*z*G[0, -y, 0, z])/ (-1 + y + z)^2 - (3*y*(1 - 3*y + 3*y^2 - y^3 - 5*z + 12*y*z - 9*y^2*z + 2*y^3*z + 8*z^2 - 14*y*z^2 + 6*y^2*z^2 - 10*z^3 + 6*y*z^3 + 6*z^4)*G[0, -y, 1 - y, z])/(z^2*(-1 + y + z)^2) - (3*y*(1 - 3*y + 3*y^2 - y^3 - 5*z + 12*y*z - 9*y^2*z + 2*y^3*z + 10*z^2 - 16*y*z^2 + 6*y^2*z^2 - 4*z^3 + 6*y*z^3 - 2*z^4)* G[0, -y, -y, z])/(z^2*(-1 + y + z)^2) + (24*y*(-1 + z)*z*G[1, 0, 0, z])/(-1 + y + z)^2 + (18*y*(-1 + z)*z*G[1, 0, 1 - y, z])/(-1 + y + z)^2 - (3*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)*G[1, 0, -y, z])/(y^2*(-1 + y + z)^2) + (6*y*(-1 + z)*z*G[1, 1, 0, z])/(-1 + y + z)^2 + (6*(-1 + z)*(-2*y + 6*y^2 - 4*y^3 - 4*z + 16*y*z - 18*y^2*z + 9*y^3*z + 12*z^2 - 26*y*z^2 + 12*y^2*z^2 - 12*z^3 + 12*y*z^3 + 4*z^4)*G[1, 1, 1 - y, z])/(y^2*(-1 + y + z)^2) + (18*y*(-1 + z)*z*G[1, 1 - y, 0, z])/(-1 + y + z)^2 - (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)* G[1, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (3*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)*G[1, 1 - y, -y, z])/ (y^2*(-1 + y + z)^2) + (6*y*(1 - 3*y + 3*y^2 - y^3 - 5*z + 12*y*z - 9*y^2*z + 2*y^3*z + 9*z^2 - 15*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + z^4)*G[1 - y, 0, 0, z])/(z^2*(-1 + y + z)^2) - (3*y*(-2 + 4*y - 2*y^2 + 8*z - 12*y*z + 4*y^2*z - 9*z^2 + 8*y*z^2 + 4*z^3)*G[1 - y, 0, 1 - y, z])/(z^2*(-1 + y + z)) + (3*(-1 + y + z)*(y + z)*(-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3)*G[1 - y, 0, -y, z])/(y^2*z^2) + (3*y*(1 - 3*y + 3*y^2 - y^3 - 5*z + 12*y*z - 9*y^2*z + 2*y^3*z + 9*z^2 - 15*y*z^2 + 6*y^2*z^2 - 5*z^3 + 6*y*z^3)* G[1 - y, 1, 0, z])/(z^2*(-1 + y + z)^2) + (3*(-y^3 + 2*y^4 - y^5 + 4*y^3*z - 6*y^4*z + 2*y^5*z + 5*y*z^2 - 10*y^2*z^2 + y^3*z^2 + 4*y^4*z^2 + 10*z^3 - 30*y*z^3 + 20*y^2*z^3 + 2*y^3*z^3 - 30*z^4 + 45*y*z^4 - 10*y^2*z^4 + 30*z^5 - 20*y*z^5 - 10*z^6)*G[1 - y, 1, 1 - y, z])/ (y^2*z^2*(-1 + y + z)) + (9*y*(-1 + y + z)*(-1 + 2*z)* G[1 - y, 1 - y, 0, z])/z^2 - (9*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)*G[1 - y, 1 - y, 1 - y, z])/(y^2*z^2) - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, 1 - y, -y, z])/(y^2*z^2) + (6*y*(-1 + y + z)*(-1 + 2*z)* G[1 - y, -y, 1 - y, z])/z^2 + (6*y*(-1 + y + z)*(-1 + 2*z)* G[1 - y, -y, -y, z])/z^2 + (6*y*(-1 + y + z)*(-1 + 2*z)* G[-y, 0, 1 - y, z])/z^2 + (9*y*(-1 + y + z)*(-1 + 2*z)* G[-y, 0, -y, z])/z^2 + (6*y*(-1 + y + z)*(-1 + 2*z)* G[-y, 1 - y, 0, z])/z^2 + (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)*G[-y, 1 - y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(-3*y^3 + 6*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, 1 - y, -y, z])/(y^2*z^2) + (6*y*(-1 + y + z)*(-1 + 2*z)* G[-y, -y, 0, z])/z^2 + (6*y*(-1 + y + z)*(-1 + 2*z)* G[-y, -y, 1 - y, z])/z^2 - (3*y*(-1 + y + z)*(-1 + 2*z)* G[-y, -y, -y, z])/z^2 - (3*(-6*y + 18*y^2 - 13*y^3 + y^4 - 6*z + 36*y*z - 54*y^2*z + 43*y^3*z + 24*z^2 - 72*y*z^2 + 54*y^2*z^2 - 30*y^3*z^2 - 36*z^3 + 60*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1, 1, y]*((I*Pi^3*(-1 + 3*y - 3*y^2 + y^3 + 3*z - 6*y*z + 5*y^2*z - 3*z^2 + 3*y*z^2 - 2*y^2*z^2 + z^3))/(y*(-1 + y + z)^2) + (I*Pi*(7*y^3 - 7*y^4 + 4*y^2*z - 29*y^3*z + 14*y^4*z - 13*y*z^2 - y^2*z^2 + 28*y^3*z^2 - 14*z^3 + 41*y*z^3 + 28*z^4 - 28*y*z^4 - 14*z^5))/(y*z*(y + z)^2) - (24*y^2 + 60*y^3 - 144*y^4 + 12*y^5 + 48*y^6 - 120*y*z + 247*y^2*z - 387*y^3*z + 329*y^4*z - 69*y^5*z - 48*z^2 - 54*y*z^2 + 452*y^2*z^2 - 244*y^3*z^2 - 154*y^4*z^2 - 213*z^3 + 1197*y*z^3 - 1448*y^2*z^3 + 368*y^3*z^3 + 570*z^4 - 1332*y*z^4 + 714*y^2*z^4 - 309*z^5 + 309*y*z^5)/ (6*(-1 + y)*y*z*(y + z)^2) + (Pi^2*(6*y^2 - 24*y^3 + 30*y^4 - 30*y^6 + 24*y^7 - 6*y^8 - 22*y*z + 108*y^2*z - 258*y^3*z + 410*y^4*z - 450*y^5*z + 312*y^6*z - 118*y^7*z + 18*y^8*z + 6*z^2 + 142*y*z^2 - 816*y^2*z^2 + 1808*y^3*z^2 - 2100*y^4*z^2 + 1344*y^5*z^2 - 422*y^6*z^2 + 26*y^7*z^2 + 12*y^8*z^2 - 30*z^3 - 339*y*z^3 + 1974*y^2*z^3 - 3810*y^3*z^3 + 3548*y^4*z^3 - 1691*y^5*z^3 + 352*y^6*z^3 - 4*y^7*z^3 + 62*z^4 + 352*y*z^4 - 2103*y^2*z^4 + 3461*y^3*z^4 - 2569*y^4*z^4 + 937*y^5*z^4 - 140*y^6*z^4 - 66*z^5 - 121*y*z^5 + 963*y^2*z^5 - 1317*y^3*z^5 + 737*y^4*z^5 - 164*y^5*z^5 + 36*z^6 - 36*y*z^6 - 108*y^2*z^6 + 132*y^3*z^6 - 56*y^4*z^6 - 8*z^7 + 24*y*z^7 - 24*y^2*z^7 + 8*y^3*z^7))/(12*(-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)^2) + ((18*y^2 - 18*y^3 - 9*y*z - 45*y^2*z + 36*y^3*z + 6*z^2 - y*z^2 + 26*y^2*z^2 - 12*z^3 + 10*y*z^3 + 6*z^4)*G[1 - y, 0, z])/ (2*y^2*z) + ((-4*y^4 + 18*y^5 - 29*y^6 + 16*y^7 + 6*y^8 - 10*y^9 + 3*y^10 - 20*y^3*z + 88*y^4*z - 153*y^5*z + 96*y^6*z + 59*y^7*z - 123*y^8*z + 62*y^9*z - 9*y^10*z + 36*y^2*z^2 - 116*y^3*z^2 + 154*y^4*z^2 - 190*y^5*z^2 + 270*y^6*z^2 - 250*y^7*z^2 + 130*y^8*z^2 - 40*y^9*z^2 + 6*y^10*z^2 + 28*y*z^3 - 220*y^2*z^3 + 708*y^3*z^3 - 1250*y^4*z^3 + 1231*y^5*z^3 - 559*y^6*z^3 + 47*y^7*z^3 + 11*y^8*z^3 + 4*y^9*z^3 + 8*z^4 - 126*y*z^4 + 661*y^2*z^4 - 1740*y^3*z^4 + 2430*y^4*z^4 - 1596*y^5*z^4 + 253*y^6*z^4 + 102*y^7*z^4 - 24*y^8*z^4 - 28*z^5 + 261*y*z^5 - 1084*y^2*z^5 + 2271*y^3*z^5 - 2355*y^4*z^5 + 946*y^5*z^5 - 53*y^6*z^5 - 22*y^7*z^5 + 30*z^6 - 262*y*z^6 + 924*y^2*z^6 - 1534*y^3*z^6 + 1052*y^4*z^6 - 232*y^5*z^6 + 22*y^6*z^6 - 2*z^7 + 87*y*z^7 - 329*y^2*z^7 + 395*y^3*z^7 - 111*y^4*z^7 + 24*y^5*z^7 - 14*z^8 + 30*y*z^8 - 6*y^2*z^8 + 26*y^3*z^8 - 4*y^4*z^8 + 6*z^9 - 18*y*z^9 + 18*y^2*z^9 - 6*y^3*z^9)*G[1 - y, -y, z])/ (2*(-1 + y)^3*y^2*(-1 + z)*z^2*(y + z)^3) + (((6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/z^2 - (7*y^3 - 12*y^4 + 6*y^5 + 6*y^2*z - 40*y^3*z + 32*y^4*z + 2*y^5*z - 7*y*z^2 - 14*y^2*z^2 + 54*y^3*z^2 - 10*y^4*z^2 + 2*z^3 + 20*y*z^3 + 4*y^2*z^3 - 18*y^3*z^3 - 2*z^4 - 24*y*z^4 + 2*y^2*z^4 + 8*y*z^5)/(2*y^2*z^2*(-1 + y + z)))*G[-y, 0, z] + ((3*y^3 - 3*y^4 - 10*y^2*z - 13*y^3*z + 6*y^4*z + 45*y*z^2 + 11*y^2*z^2 - 26*y^3*z^2 - 6*z^3 - 71*y*z^3 + 12*z^4 + 26*y*z^4 - 6*z^5)*G[-y, 1 - y, z])/(2*y^2*z^2) + (((-6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4))/ (y^2*z^2) + (6*y^3 - 14*y^4 + 7*y^5 + 6*y^2*z - 42*y^3*z + 36*y^4*z - 34*y*z^2 + 54*y^2*z^2 + 20*y^3*z^2 - 18*y^4*z^2 - 18*z^3 + 144*y*z^3 - 140*y^2*z^3 + 2*y^3*z^3 + 58*z^4 - 191*y*z^4 + 78*y^2*z^4 - 60*z^5 + 78*y*z^5 + 20*z^6)/ (2*y^2*z^2*(-1 + y + z)))*G[-y, -y, z] + (3*(3*y - 6*y^2 + y^3 + 6*z - 18*y*z + 12*y^2*z - 18*z^2 + 27*y*z^2 - 6*y^2*z^2 + 18*z^3 - 12*y*z^3 - 6*z^4)*G[0, 0, -y, z])/ (y^2*(-1 + y + z)) - (6*(2*y - 4*y^2 + y^3 + 4*z - 12*y*z + 8*y^2*z - 12*z^2 + 18*y*z^2 - 4*y^2*z^2 + 12*z^3 - 8*y*z^3 - 4*z^4)*G[0, 1 - y, -y, z])/(y^2*(-1 + y + z)) + (3*y*(-1 + y + z)*(-1 + 2*z)*G[0, -y, 0, z])/z^2 - (9*(-1 + y + z)*(y + 2*z - 2*z^2)*G[0, -y, 1 - y, z])/y^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[0, -y, -y, z])/(y^2*z^2) - (12*y*(-1 + z)*z*G[1, 0, 0, z])/ (-1 + y + z)^2 - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)* G[1, 0, -y, z])/(y^2*(-1 + y + z)) - (12*y*(-1 + z)*z*G[1, 1, 0, z])/(-1 + y + z)^2 - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[1, 1 - y, -y, z])/ (y^2*(-1 + y + z)) + (6*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)*G[1 - y, 0, -y, z])/(y^2*z^2) - (3*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, 1, 0, z])/z^2 - (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, 1 - y, -y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)* G[1 - y, -y, 0, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)*G[1 - y, -y, -y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 0, 0, z])/z^2 - (9*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 0, 1 - y, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)* G[-y, 0, -y, z])/(y^2*z^2) - (9*y*(-1 + y + z)*(-1 + 2*z)* G[-y, 1 - y, 0, z])/z^2 + (12*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)*G[-y, 1 - y, -y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, -y, 0, z])/z^2 + (9*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, -y, 1 - y, z])/(y^2*z^2) + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, -y, -y, z])/(y^2*z^2) - (3*(-5*y + 15*y^2 - 15*y^3 + 5*y^4 - 4*z + 27*y*z - 42*y^2*z - y^3*z + 16*z^2 - 51*y*z^2 + 39*y^2*z^2 + 16*y^3*z^2 - 24*z^3 + 41*y*z^3 - 12*y^2*z^3 + 16*z^4 - 12*y*z^4 - 4*z^5)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1 - y, 1, z]*(((-2*I)*Pi^3*(-1 + z)*z*(-1 + y + z))/y^2 - (Pi^2*(y^4 - 6*y^5 + 14*y^6 - 12*y^7 - 9*y^8 + 30*y^9 - 28*y^10 + 12*y^11 - 2*y^12 + 3*y^3*z - 21*y^4*z + 51*y^5*z - 27*y^6*z - 108*y^7*z + 252*y^8*z - 250*y^9*z + 132*y^10*z - 36*y^11*z + 4*y^12*z + 3*y^2*z^2 - 27*y^3*z^2 + 76*y^4*z^2 - 11*y^5*z^2 - 364*y^6*z^2 + 844*y^7*z^2 - 919*y^8*z^2 + 550*y^9*z^2 - 176*y^10*z^2 + 24*y^11*z^2 + y*z^3 - 15*y^2*z^3 + 62*y^3*z^3 - 12*y^4*z^3 - 513*y^5*z^3 + 1465*y^6*z^3 - 1892*y^7*z^3 + 1278*y^8*z^3 - 426*y^9*z^3 + 52*y^10*z^3 - 3*y*z^4 - 29*y^2*z^4 + 308*y^3*z^4 - 1233*y^4*z^4 + 2725*y^5*z^4 - 3514*y^6*z^4 + 2536*y^7*z^4 - 886*y^8*z^4 + 96*y^9*z^4 - 62*y*z^5 + 588*y^2*z^5 - 2257*y^3*z^5 + 4767*y^4*z^5 - 6120*y^5*z^5 + 4702*y^6*z^5 - 1872*y^7*z^5 + 254*y^8*z^5 - 26*z^6 + 416*y*z^6 - 2103*y^2*z^6 + 5243*y^3*z^6 - 7494*y^4*z^6 + 6390*y^5*z^6 - 2946*y^6*z^6 + 504*y^7*z^6 + 104*z^7 - 939*y*z^7 + 3203*y^2*z^7 - 5576*y^3*z^7 + 5488*y^4*z^7 - 2914*y^5*z^7 + 586*y^6*z^7 - 156*z^8 + 965*y*z^8 - 2313*y^2*z^8 + 2778*y^3*z^8 - 1720*y^4*z^8 + 398*y^5*z^8 + 104*z^9 - 456*y*z^9 + 744*y^2*z^9 - 560*y^3*z^9 + 152*y^4*z^9 - 26*z^10 + 78*y*z^10 - 78*y^2*z^10 + 26*y^3*z^10))/(12*(-1 + y)^3*y^2*z^2*(-1 + y + z)^2*(y + z)^3) - (3*(-y^3 + 2*y^4 - y^5 + 4*y^3*z - 6*y^4*z + 2*y^5*z + 5*y*z^2 - 10*y^2*z^2 + y^3*z^2 + 4*y^4*z^2 + 10*z^3 - 30*y*z^3 + 20*y^2*z^3 + 2*y^3*z^3 - 30*z^4 + 45*y*z^4 - 10*y^2*z^4 + 30*z^5 - 20*y*z^5 - 10*z^6)*G[0, 0, 1, y])/ (y^2*z^2*(-1 + y + z)) + (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z - 5*y*z^2 + 15*y^2*z^2 - 7*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 10*z^3 + 45*y*z^3 - 60*y^2*z^3 + 17*y^3*z^3 + 6*y^4*z^3 + 40*z^4 - 105*y*z^4 + 75*y^2*z^4 - 6*y^3*z^4 - 60*z^5 + 95*y*z^5 - 30*y^2*z^5 + 40*z^6 - 30*y*z^6 - 10*z^7)*G[0, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) + (3*(-y^3 + 2*y^4 - y^5 + 4*y^3*z - 6*y^4*z + 2*y^5*z + 5*y*z^2 - 10*y^2*z^2 + y^3*z^2 + 4*y^4*z^2 + 10*z^3 - 30*y*z^3 + 20*y^2*z^3 + 2*y^3*z^3 - 30*z^4 + 45*y*z^4 - 10*y^2*z^4 + 30*z^5 - 20*y*z^5 - 10*z^6)*G[1, 0, 1, y])/ (y^2*z^2*(-1 + y + z)) - (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z - 5*y*z^2 + 15*y^2*z^2 - 7*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 10*z^3 + 45*y*z^3 - 60*y^2*z^3 + 17*y^3*z^3 + 6*y^4*z^3 + 40*z^4 - 105*y*z^4 + 75*y^2*z^4 - 6*y^3*z^4 - 60*z^5 + 95*y*z^5 - 30*y^2*z^5 + 40*z^6 - 30*y*z^6 - 10*z^7)*G[1, 1, 0, y])/(y^2*z^2*(-1 + y + z)^2) + (3*(5*y^3 - 15*y^4 + 15*y^5 - 5*y^6 - 25*y^3*z + 60*y^4*z - 45*y^5*z + 10*y^6*z - 15*y*z^2 + 45*y^2*z^2 - 3*y^3*z^2 - 57*y^4*z^2 + 30*y^5*z^2 - 32*z^3 + 141*y*z^3 - 186*y^2*z^3 + 39*y^3*z^3 + 30*y^4*z^3 + 128*z^4 - 333*y*z^4 + 237*y^2*z^4 - 16*y^3*z^4 - 192*z^5 + 303*y*z^5 - 96*y^2*z^5 + 128*z^6 - 96*y*z^6 - 32*z^7)*Zeta[3])/(y^2*z^2*(-1 + y + z)^2)) + G[1 - y, 0, z]*((I*Pi*(3*y - 12*y^2 + 15*y^3 - 6*y^4 + 4*z - 43*y*z + 107*y^2*z - 84*y^3*z + 16*y^4*z - 8*z^2 + 48*y*z^2 - 88*y^2*z^2 + 32*y^3*z^2 + 4*z^3 - 8*y*z^3 + 4*y^2*z^3))/((-1 + y)^2*y^2) - (I*Pi^3*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*z^3 + 2*z^4))/(y^2*z^2) + (3*y - 15*y^2 + 27*y^3 - 21*y^4 + 6*y^5 - 6*z - 17*y*z + 177*y^2*z - 360*y^3*z + 287*y^4*z - 81*y^5*z - 12*z^2 + 441*y*z^2 - 1657*y^2*z^2 + 2173*y^3*z^2 - 1079*y^4*z^2 + 134*y^5*z^2 + 78*z^3 - 927*y*z^3 + 2467*y^2*z^3 - 2072*y^3*z^3 + 454*y^4*z^3 - 96*z^4 + 572*y*z^4 - 1008*y^2*z^4 + 356*y^3*z^4 + 36*z^5 - 72*y*z^5 + 36*y^2*z^5)/(4*(-1 + y)^2*y^2*z*(-1 + y + z)) + (Pi^2*(4*y^4 - 18*y^5 + 30*y^6 - 26*y^7 + 30*y^8 - 54*y^9 + 58*y^10 - 30*y^11 + 6*y^12 + 20*y^3*z - 116*y^4*z + 262*y^5*z - 334*y^6*z + 398*y^7*z - 550*y^8*z + 546*y^9*z - 282*y^10*z + 54*y^11*z + 2*y^12*z + 36*y^2*z^2 - 276*y^3*z^2 + 817*y^4*z^2 - 1324*y^5*z^2 + 1669*y^6*z^2 - 2170*y^7*z^2 + 2307*y^8*z^2 - 1456*y^9*z^2 + 435*y^10*z^2 - 38*y^11*z^2 + 28*y*z^3 - 312*y^2*z^3 + 1229*y^3*z^3 - 2455*y^4*z^3 + 3286*y^5*z^3 - 4092*y^6*z^3 + 4705*y^7*z^3 - 3679*y^8*z^3 + 1552*y^9*z^3 - 262*y^10*z^3 + 8*z^4 - 170*y*z^4 + 1014*y^2*z^4 - 2739*y^3*z^4 + 4276*y^4*z^4 - 5030*y^5*z^4 + 5430*y^6*z^4 - 4725*y^7*z^4 + 2524*y^8*z^4 - 588*y^9*z^4 - 36*z^5 + 430*y*z^5 - 1812*y^2*z^5 + 3829*y^3*z^5 - 4943*y^4*z^5 + 4533*y^5*z^5 - 3289*y^6*z^5 + 1854*y^7*z^5 - 566*y^8*z^5 + 76*z^6 - 664*y*z^6 + 2218*y^2*z^6 - 3855*y^3*z^6 + 3731*y^4*z^6 - 1819*y^5*z^6 + 473*y^6*z^6 - 192*y^7*z^6 - 104*z^7 + 728*y*z^7 - 1994*y^2*z^7 + 2700*y^3*z^7 - 1560*y^4*z^7 + 130*y^5*z^7 + 4*y^6*z^7 + 96*z^8 - 538*y*z^8 + 1168*y^2*z^8 - 1098*y^3*z^8 + 318*y^4*z^8 - 42*y^5*z^8 - 52*z^9 + 222*y*z^9 - 354*y^2*z^9 + 202*y^3*z^9 - 50*y^4*z^9 + 12*z^10 - 36*y*z^10 + 36*y^2*z^10 - 12*y^3*z^10))/(12*(-1 + y)^3*y^2*z^2* (-1 + y + z)^2*(y + z)^3) - (9*y*(-1 + y + z)*(-1 + 2*z)* G[0, 0, 0, y])/z^2 - (3*y*(1 - 3*y + 3*y^2 - y^3 - 5*z + 12*y*z - 9*y^2*z + 2*y^3*z + 9*z^2 - 15*y*z^2 + 6*y^2*z^2 - 5*z^3 + 6*y*z^3)*G[0, 0, 1, y])/(z^2*(-1 + y + z)^2) + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 5*z^3 - 5*z^4)*G[0, 1, 0, y])/ (y^2*z^2) + (6*y*(-1 + y + z)*(-1 + 2*z)*G[0, 1, 1, y])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1, 0, 0, y])/ (y^2*z^2) - (6*y*(1 - 3*y + 3*y^2 - y^3 - 5*z + 12*y*z - 9*y^2*z + 2*y^3*z + 9*z^2 - 15*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + z^4)* G[1, 0, 1, y])/(z^2*(-1 + y + z)^2) + (12*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, y])/y^2 - (9*(3*y^3 - 9*y^4 + 9*y^5 - 3*y^6 - 15*y^3*z + 36*y^4*z - 27*y^5*z + 6*y^6*z + 27*y^3*z^2 - 45*y^4*z^2 + 18*y^5*z^2 - 4*z^3 + 12*y*z^3 - 12*y^2*z^3 - 15*y^3*z^3 + 18*y^4*z^3 + 16*z^4 - 36*y*z^4 + 24*y^2*z^4 - 24*z^5 + 36*y*z^5 - 12*y^2*z^5 + 16*z^6 - 12*y*z^6 - 4*z^7)*Zeta[3])/(y^2*z^2*(-1 + y + z)^2)) + G[0, 1 - y, z]*((I*Pi*(3*y - 12*y^2 + 15*y^3 - 6*y^4 + 4*z - 43*y*z + 107*y^2*z - 84*y^3*z + 16*y^4*z - 8*z^2 + 48*y*z^2 - 88*y^2*z^2 + 32*y^3*z^2 + 4*z^3 - 8*y*z^3 + 4*y^2*z^3))/((-1 + y)^2*y^2) - (I*Pi^3*(y^3 - 2*z + 4*y*z - 2*y^2*z + 6*z^2 - 8*y*z^2 + 2*y^2*z^2 - 6*z^3 + 4*y*z^3 + 2*z^4))/(y^2*(-1 + y + z)) + (3*y - 15*y^2 + 27*y^3 - 21*y^4 + 6*y^5 - 6*z - 17*y*z + 177*y^2*z - 360*y^3*z + 287*y^4*z - 81*y^5*z - 12*z^2 + 441*y*z^2 - 1657*y^2*z^2 + 2173*y^3*z^2 - 1079*y^4*z^2 + 134*y^5*z^2 + 78*z^3 - 927*y*z^3 + 2467*y^2*z^3 - 2072*y^3*z^3 + 454*y^4*z^3 - 96*z^4 + 572*y*z^4 - 1008*y^2*z^4 + 356*y^3*z^4 + 36*z^5 - 72*y*z^5 + 36*y^2*z^5)/(4*(-1 + y)^2*y^2*z*(-1 + y + z)) + (Pi^2*(y^6 - 6*y^7 + 15*y^8 - 20*y^9 + 15*y^10 - 6*y^11 + y^12 - 2*y^3*z + 12*y^4*z - 47*y^5*z + 142*y^6*z - 282*y^7*z + 337*y^8*z - 227*y^9*z + 72*y^10*z - 2*y^11*z - 3*y^12*z - 6*y^2*z^2 + 46*y^3*z^2 - 192*y^4*z^2 + 624*y^5*z^2 - 1469*y^6*z^2 + 2250*y^7*z^2 - 2140*y^8*z^2 + 1208*y^9*z^2 - 363*y^10*z^2 + 40*y^11*z^2 + 2*y^12*z^2 - 6*y*z^3 + 66*y^2*z^3 - 284*y^3*z^3 + 898*y^4*z^3 - 2422*y^5*z^3 + 4761*y^6*z^3 - 6041*y^7*z^3 + 4663*y^8*z^3 - 2035*y^9*z^3 + 424*y^10*z^3 - 24*y^11*z^3 - 2*z^4 + 42*y*z^4 - 303*y^2*z^4 + 1076*y^3*z^4 - 2677*y^4*z^4 + 5426*y^5*z^4 - 8307*y^6*z^4 + 8284*y^7*z^4 - 4767*y^8*z^4 + 1376*y^9*z^4 - 148*y^10*z^4 + 10*z^5 - 183*y*z^5 + 1040*y^2*z^5 - 2900*y^3*z^5 + 5199*y^4*z^5 - 7562*y^5*z^5 + 8683*y^6*z^5 - 6243*y^7*z^5 + 2282*y^8*z^5 - 326*y^9*z^5 - 52*z^6 + 590*y*z^6 - 2351*y^2*z^6 + 4702*y^3*z^6 - 6140*y^4*z^6 + 6724*y^5*z^6 - 5499*y^6*z^6 + 2384*y^7*z^6 - 390*y^8*z^6 + 140*z^7 - 1064*y*z^7 + 3045*y^2*z^7 - 4529*y^3*z^7 + 4693*y^4*z^7 - 3949*y^5*z^7 + 1922*y^6*z^7 - 322*y^7*z^7 - 186*z^8 + 1050*y*z^8 - 2294*y^2*z^8 + 2764*y^3*z^8 - 2442*y^4*z^8 + 1342*y^5*z^8 - 234*y^6*z^8 + 130*z^9 - 587*y*z^9 + 1037*y^2*z^9 - 1075*y^3*z^9 + 703*y^4*z^9 - 144*y^5*z^9 - 48*z^10 + 182*y*z^10 - 258*y^2*z^10 + 210*y^3*z^10 - 54*y^4*z^10 + 8*z^11 - 24*y*z^11 + 24*y^2*z^11 - 8*y^3*z^11))/ (12*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)^2*(y + z)^3) + (((12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + (-12*y^5 + 54*y^6 - 72*y^7 + 30*y^8 - 32*y^4*z + 218*y^5*z - 479*y^6*z + 385*y^7*z - 92*y^8*z - 10*y^3*z^2 + 240*y^4*z^2 - 1005*y^5*z^2 + 1369*y^6*z^2 - 619*y^7*z^2 + 54*y^8*z^2 - 76*y^2*z^3 + 232*y^3*z^3 - 886*y^4*z^3 + 1996*y^5*z^3 - 1534*y^6*z^3 + 282*y^7*z^3 - 92*y*z^4 + 490*y^2*z^4 - 726*y^3*z^4 + 1328*y^4*z^4 - 1719*y^5*z^4 + 566*y^6*z^4 - 38*z^5 + 460*y*z^5 - 1033*y^2*z^5 + 723*y^3*z^5 - 816*y^4*z^5 + 514*y^5*z^5 + 158*z^6 - 857*y*z^6 + 919*y^2*z^6 - 213*y^3*z^6 + 166*y^4*z^6 - 262*z^7 + 760*y*z^7 - 346*y^2*z^7 - 6*y^3*z^7 + 218*z^8 - 329*y*z^8 + 46*y^2*z^8 - 92*z^9 + 58*y*z^9 + 16*z^10)/ (2*y^2*(-1 + z)*z*(-1 + y + z)^2*(y + z)^3))*G[1, 0, y] + ((18*y^2 - 18*y^3 - 9*y*z - 45*y^2*z + 36*y^3*z + 6*z^2 - y*z^2 + 26*y^2*z^2 - 12*z^3 + 10*y*z^3 + 6*z^4)*G[1, 1, y])/(2*y^2*z) - (9*y*(-1 + y - z + 2*z^2)*G[0, 0, 0, y])/(-1 + y + z)^2 + (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z - y*z^2 + 3*y^2*z^2 + 5*y^3*z^2 - 13*y^4*z^2 + 6*y^5*z^2 - 2*z^3 + 9*y*z^3 - 12*y^2*z^3 + 3*y^3*z^3 + 6*y^4*z^3 + 8*z^4 - 21*y*z^4 + 15*y^2*z^4 - 4*y^3*z^4 - 12*z^5 + 19*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7)*G[0, 0, 1, y])/ (y^2*z^2*(-1 + y + z)^2) - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 - 6*z^3 + 6*z^4)*G[0, 1, 0, y])/(y^2*z^2) + (3*(-y + 2*y^2 + y^3 - 2*z + 6*y*z - 4*y^2*z + 6*z^2 - 9*y*z^2 + 2*y^2*z^2 - 6*z^3 + 4*y*z^3 + 2*z^4)*G[0, 1, 1, y])/ (y^2*(-1 + y + z)) - (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 4*z^3 + 4*z^4)*G[1, 0, 0, y])/(y^2*z^2) + (3*y*(1 - 3*y + 3*y^2 - y^3 - 5*z + 12*y*z - 9*y^2*z + 2*y^3*z + 9*z^2 - 15*y*z^2 + 6*y^2*z^2 - 3*z^3 + 6*y*z^3 - 2*z^4)* G[1, 0, 1, y])/(z^2*(-1 + y + z)^2) + (3*(-1 + y + z)*(y - 2*z + 2*z^2)*G[1, 1, 0, y])/y^2 + (3*(4*y^3 - 12*y^4 + 12*y^5 - 4*y^6 - 20*y^3*z + 48*y^4*z - 36*y^5*z + 8*y^6*z - 3*y*z^2 + 9*y^2*z^2 + 28*y^3*z^2 - 58*y^4*z^2 + 24*y^5*z^2 + 2*z^3 + 3*y*z^3 - 12*y^2*z^3 - 10*y^3*z^3 + 24*y^4*z^3 - 8*z^4 + 9*y*z^4 - 3*y^2*z^4 - 2*y^3*z^4 + 12*z^5 - 15*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7)*Zeta[3])/(y^2*z^2*(-1 + y + z)^2)) + G[1, z]*(((I/3)*Pi^3*(-1 + z)*(-1 + 2*y + z)*(-y + y^2 + z - 8*y*z + 9*y^2*z - 2*z^2 + 9*y*z^2 + z^3))/(y^2*(-1 + y + z)^2) + (Pi^4*(-1 + z)*(-51*y + 153*y^2 - 102*y^3 - 164*z + 594*y*z - 645*y^2*z + 342*y^3*z + 492*z^2 - 1035*y*z^2 + 492*y^2*z^2 - 492*z^3 + 492*y*z^3 + 164*z^4))/(120*y^2*(-1 + y + z)^2) + (Pi^2*(-1 + z)*(-1 + 2*y + z)*(-y^3 + y^4 + 5*y^5 - 11*y^6 + 8*y^7 - 2*y^8 - 11*y^3*z + 48*y^4*z - 79*y^5*z + 62*y^6*z - 24*y^7*z + 4*y^8*z + 3*y*z^2 - 37*y^2*z^2 + 108*y^3*z^2 - 146*y^4*z^2 + 117*y^5*z^2 - 61*y^6*z^2 + 16*y^7*z^2 + 2*z^3 - 37*y*z^3 + 202*y^2*z^3 - 552*y^3*z^3 + 900*y^4*z^3 - 779*y^5*z^3 + 264*y^6*z^3 - 12*z^4 + 165*y*z^4 - 905*y^2*z^4 + 2017*y^3*z^4 - 2001*y^4*z^4 + 736*y^5*z^4 + 60*z^5 - 555*y*z^5 + 1646*y^2*z^5 - 1885*y^3*z^5 + 766*y^4*z^5 - 92*z^6 + 508*y*z^6 - 708*y^2*z^6 + 324*y^3*z^6 + 42*z^7 - 84*y*z^7 + 42*y^2*z^7))/ (24*(-1 + y)^2*y^2*z^2*(-1 + y + z)^2*(y + z)^2) + (Pi^2*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)*G[0, 0, y])/(y^2*(-1 + y + z)^2) - (Pi^2*(-1 + z)^2*(y - 3*y^2 + 2*y^3 - 4*z + 11*y*z - 12*y^2*z + 8*z^2 - 12*y*z^2 - 4*z^3)*G[0, 1, y])/(2*y^2*(-1 + y + z)^2) + (Pi^2*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 4*z + 14*y*z - 15*y^2*z + 6*y^3*z + 12*z^2 - 25*y*z^2 + 12*y^2*z^2 - 12*z^3 + 12*y*z^3 + 4*z^4)*G[1, 0, y])/(y^2*(-1 + y + z)^2) - (Pi^2*(-1 + z)*(3*y - 6*y^2 + 14*z - 31*y*z + 14*y^2*z - 28*z^2 + 28*y*z^2 + 14*z^3)*G[1, 1, y])/(2*y^2*(-1 + y + z)) + (((-6*I)*Pi*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2))/ (y^2*(-1 + y + z)) + (7*y - 17*y^2 + 7*y^3 + 5*y^4 - 2*y^5 + 16*z - 72*y*z + 71*y^2*z + 28*y^3*z - 75*y^4*z + 28*y^5*z - 72*z^2 + 197*y*z^2 - 82*y^2*z^2 - 138*y^3*z^2 + 125*y^4*z^2 - 22*y^5*z^2 + 134*z^3 - 302*y*z^3 + 170*y^2*z^3 + 108*y^3*z^3 - 125*y^4*z^3 + 28*y^5*z^3 - 150*z^4 + 433*y*z^4 - 473*y^2*z^4 + 51*y^3*z^4 + 70*y^4*z^4 + 140*z^5 - 524*y*z^5 + 511*y^2*z^5 - 56*y^3*z^5 - 116*z^6 + 355*y*z^6 - 180*y^2*z^6 + 62*z^7 - 94*y*z^7 - 14*z^8)/(2*y^2*(-1 + z)*z^2*(-1 + y + z)^2))* G[0, 0, 1, y] + (((6*I)*Pi*(1 - 3*y + 2*y^2 - z)*(-1 + z)^2)/ (y*(-1 + y + z)^2) - (4*y - 14*y^2 + 7*y^3 + 5*y^4 - 2*y^5 + 8*z - 34*y*z + 36*y^2*z + 28*y^3*z - 75*y^4*z + 28*y^5*z - 28*z^2 + 60*y*z^2 + 20*y^2*z^2 - 138*y^3*z^2 + 125*y^4*z^2 - 22*y^5*z^2 + 18*z^3 - 22*y*z^3 - 8*y^2*z^3 + 108*y^3*z^3 - 125*y^4*z^3 + 28*y^5*z^3 + 50*z^4 + 28*y*z^4 - 246*y^2*z^4 + 51*y^3*z^4 + 70*y^4*z^4 - 100*z^5 - 126*y*z^5 + 340*y^2*z^5 - 56*y^3*z^5 + 72*z^6 + 132*y*z^6 - 128*y^2*z^6 - 22*z^7 - 42*y*z^7 + 2*z^8)/(2*y^2*(-1 + z)*z^2*(-1 + y + z)^2))* G[0, 1, 0, y] + (((6*I)*Pi*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2))/(y^2*(-1 + y + z)) - (7*y - 17*y^2 + 7*y^3 + 5*y^4 - 2*y^5 + 16*z - 72*y*z + 71*y^2*z + 28*y^3*z - 75*y^4*z + 28*y^5*z - 72*z^2 + 197*y*z^2 - 82*y^2*z^2 - 138*y^3*z^2 + 125*y^4*z^2 - 22*y^5*z^2 + 134*z^3 - 302*y*z^3 + 170*y^2*z^3 + 108*y^3*z^3 - 125*y^4*z^3 + 28*y^5*z^3 - 150*z^4 + 433*y*z^4 - 473*y^2*z^4 + 51*y^3*z^4 + 70*y^4*z^4 + 140*z^5 - 524*y*z^5 + 511*y^2*z^5 - 56*y^3*z^5 - 116*z^6 + 355*y*z^6 - 180*y^2*z^6 + 62*z^7 - 94*y*z^7 - 14*z^8)/(2*y^2*(-1 + z)*z^2*(-1 + y + z)^2))* G[1, 0, 1, y] + (((-6*I)*Pi*(1 - 3*y + 2*y^2 - z)*(-1 + z)^2)/ (y*(-1 + y + z)^2) + (4*y - 14*y^2 + 7*y^3 + 5*y^4 - 2*y^5 + 8*z - 34*y*z + 36*y^2*z + 28*y^3*z - 75*y^4*z + 28*y^5*z - 28*z^2 + 60*y*z^2 + 20*y^2*z^2 - 138*y^3*z^2 + 125*y^4*z^2 - 22*y^5*z^2 + 18*z^3 - 22*y*z^3 - 8*y^2*z^3 + 108*y^3*z^3 - 125*y^4*z^3 + 28*y^5*z^3 + 50*z^4 + 28*y*z^4 - 246*y^2*z^4 + 51*y^3*z^4 + 70*y^4*z^4 - 100*z^5 - 126*y*z^5 + 340*y^2*z^5 - 56*y^3*z^5 + 72*z^6 + 132*y*z^6 - 128*y^2*z^6 - 22*z^7 - 42*y*z^7 + 2*z^8)/(2*y^2*(-1 + z)*z^2*(-1 + y + z)^2))* G[1, 1, 0, y] + (3*(-1 + z)*(-3*y + 9*y^2 - 6*y^3 - 6*z + 24*y*z - 27*y^2*z + 20*y^3*z + 18*z^2 - 39*y*z^2 + 18*y^2*z^2 - 18*z^3 + 18*y*z^3 + 6*z^4)*G[0, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) - (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 + z - y*z + y^3*z - 3*z^2 + 5*y*z^2 - 3*y^2*z^2 + 3*z^3 - 3*y*z^3 - z^4)*G[0, 0, 1, 0, y])/ (y^2*(-1 + y + z)^2) + (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[0, 0, 1, 1, y])/(y^2*(-1 + y + z)) - (6*(1 - 3*y + 2*y^2 - z)*(-1 + z)^2*G[0, 1, 0, 0, y])/ (y*(-1 + y + z)^2) - (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + 8*y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)*G[0, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) - (3*(-1 + z)*(y - 3*y^2 + 2*y^3 - 4*z + 10*y*z - 9*y^2*z + 2*y^3*z + 12*z^2 - 23*y*z^2 + 12*y^2*z^2 - 12*z^3 + 12*y*z^3 + 4*z^4)* G[0, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) - (3*(-1 + z)*(y - 3*y^2 + 2*y^3 + 2*z - 8*y*z + 9*y^2*z + 2*y^3*z - 6*z^2 + 13*y*z^2 - 6*y^2*z^2 + 6*z^3 - 6*y*z^3 - 2*z^4)* G[1, 0, 0, 1, y])/(y^2*(-1 + y + z)^2) - (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 6*z + 20*y*z - 21*y^2*z + 8*y^3*z + 18*z^2 - 37*y*z^2 + 18*y^2*z^2 - 18*z^3 + 18*y*z^3 + 6*z^4)*G[1, 0, 1, 0, y])/(y^2*(-1 + y + z)^2) - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[1, 0, 1, 1, y])/ (y^2*(-1 + y + z)) + (6*(1 - 3*y + 2*y^2 - z)*(-1 + z)^2* G[1, 1, 0, 0, y])/(y*(-1 + y + z)^2) - (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)* G[1, 1, 0, 1, y])/(y^2*(-1 + y + z)^2) + (3*(-1 + z)*(-3*y + 9*y^2 - 6*y^3 - 14*z + 48*y*z - 51*y^2*z + 20*y^3*z + 42*z^2 - 87*y*z^2 + 42*y^2*z^2 - 42*z^3 + 42*y*z^3 + 14*z^4)*G[1, 1, 1, 0, y])/(y^2*(-1 + y + z)^2) + (((6*I)*Pi*(-1 + z)*(-3*y + 9*y^2 - 6*y^3 - 8*z + 30*y*z - 33*y^2*z + 14*y^3*z + 24*z^2 - 51*y*z^2 + 24*y^2*z^2 - 24*z^3 + 24*y*z^3 + 8*z^4))/(y^2*(-1 + y + z)^2) - (23*y - 57*y^2 + 7*y^3 + 45*y^4 - 18*y^5 + 50*z - 230*y*z + 217*y^2*z + 184*y^3*z - 375*y^4*z + 132*y^5*z - 226*z^2 + 627*y*z^2 - 198*y^2*z^2 - 678*y^3*z^2 + 645*y^4*z^2 - 126*y^5*z^2 + 442*z^3 - 1018*y*z^3 + 482*y^2*z^3 + 560*y^3*z^3 - 585*y^4*z^3 + 108*y^5*z^3 - 570*z^4 + 1597*y*z^4 - 1573*y^2*z^4 + 143*y^3*z^4 + 270*y^4*z^4 + 630*z^5 - 1986*y*z^5 + 1749*y^2*z^5 - 216*y^3*z^5 - 550*z^6 + 1337*y*z^6 - 620*y^2*z^6 + 286*z^7 - 350*y*z^7 - 62*z^8)/(2*y^2*(-1 + z)*z^2* (-1 + y + z)^2))*Zeta[3]) + G[1 - y, z]* ((((4*I)/9)*Pi*(-9*y^3 + 36*y^4 - 45*y^5 + 18*y^6 + 28*y^2*z - 4*y^3*z - 78*y^4*z + 54*y^5*z + 45*y*z^2 - 32*y^2*z^2 - 106*y^3*z^2 + 75*y^4*z^2 - 9*z^3 + 9*y*z^3 - 93*y^2*z^3 + 57*y^3*z^3 + 18*z^4 - 63*y*z^4 + 27*y^2*z^4 - 9*z^5 + 9*y*z^5))/ ((-1 + y)*y*z*(y + z)^2) + (-351*y^3 + 1404*y^4 - 1755*y^5 + 702*y^6 + 976*y^2*z + 497*y^3*z - 3633*y^4*z + 2160*y^5*z + 1350*y*z^2 - 317*y^2*z^2 - 4870*y^3*z^2 + 3027*y^4*z^2 - 351*z^3 + 918*y*z^3 - 4512*y^2*z^3 + 2325*y^3*z^3 + 702*z^4 - 2619*y*z^4 + 1107*y^2*z^4 - 351*z^5 + 351*y*z^5)/(27*(-1 + y)*y*z*(y + z)^2) + (Pi^4*(-82*y^3 + 164*y^4 - 82*y^5 + 328*y^3*z - 492*y^4*z + 164*y^5*z + 51*y*z^2 - 102*y^2*z^2 - 345*y^3*z^2 + 328*y^4*z^2 + 164*z^3 - 430*y*z^3 + 266*y^2*z^3 + 164*y^3*z^3 - 492*z^4 + 707*y*z^4 - 164*y^2*z^4 + 492*z^5 - 328*y*z^5 - 164*z^6))/ (120*y^2*z^2*(-1 + y + z)) + ((I/6)*Pi^3*(-y^6 + 5*y^7 - 10*y^8 + 10*y^9 - 5*y^10 + y^11 - 7*y^5*z + 40*y^6*z - 93*y^7*z + 112*y^8*z - 73*y^9*z + 24*y^10*z - 3*y^11*z - 14*y^4*z^2 + 105*y^5*z^2 - 332*y^6*z^2 + 545*y^7*z^2 - 485*y^8*z^2 + 224*y^9*z^2 - 45*y^10*z^2 + 2*y^11*z^2 + 18*y^3*z^3 - 30*y^4*z^3 - 223*y^5*z^3 + 860*y^6*z^3 - 1204*y^7*z^3 + 780*y^8*z^3 - 219*y^9*z^3 + 18*y^10*z^3 + 24*y^2*z^4 - 198*y^3*z^4 + 426*y^4*z^4 - 21*y^5*z^4 - 924*y^6*z^4 + 1078*y^7*z^4 - 443*y^8*z^4 + 58*y^9*z^4 + 16*y*z^5 - 202*y^2*z^5 + 820*y^3*z^5 - 1352*y^4*z^5 + 723*y^5*z^5 + 272*y^6*z^5 - 331*y^7*z^5 + 70*y^8*z^5 + 2*z^6 - 80*y*z^6 + 558*y^2*z^6 - 1520*y^3*z^6 + 1839*y^4*z^6 - 898*y^5*z^6 + 131*y^6*z^6 - 8*z^7 + 150*y*z^7 - 696*y^2*z^7 + 1327*y^3*z^7 - 1082*y^4*z^7 + 379*y^5*z^7 - 70*y^6*z^7 + 12*z^8 - 130*y*z^8 + 412*y^2*z^8 - 507*y^3*z^8 + 239*y^4*z^8 - 58*y^5*z^8 - 8*z^9 + 50*y*z^9 - 102*y^2*z^9 + 62*y^3*z^9 - 18*y^4*z^9 + 2*z^10 - 6*y*z^10 + 6*y^2*z^10 - 2*y^3*z^10))/((-1 + y)^3*y^2*(-1 + z)*z^2* (-1 + y + z)*(y + z)^3) + (Pi^2*(3*y^4 - 30*y^5 + 177*y^6 - 600*y^7 + 1185*y^8 - 1398*y^9 + 975*y^10 - 372*y^11 + 60*y^12 + 3*y^3*z - 90*y^4*z + 738*y^5*z - 2883*y^6*z + 6405*y^7*z - 8682*y^8*z + 7296*y^9*z - 3687*y^10*z + 1014*y^11*z - 114*y^12*z - 9*y^2*z^2 - 36*y^3*z^2 + 910*y^4*z^2 - 5306*y^5*z^2 + 16822*y^6*z^2 - 32362*y^7*z^2 + 38318*y^8*z^2 - 27244*y^9*z^2 + 10761*y^10*z^2 - 1908*y^11*z^2 + 54*y^12*z^2 - 15*y*z^3 + 132*y^2*z^3 - 812*y^3*z^3 + 1340*y^4*z^3 + 8973*y^5*z^3 - 45955*y^6*z^3 + 89368*y^7*z^3 - 89022*y^8*z^3 + 46332*y^9*z^3 - 11055*y^10*z^3 + 714*y^11*z^3 - 6*z^4 + 162*y*z^4 - 2310*y^2*z^4 + 13852*y^3*z^4 - 33688*y^4*z^4 + 19196*y^5*z^4 + 57955*y^6*z^4 - 117896*y^7*z^4 + 88405*y^8*z^4 - 28676*y^9*z^4 + 3006*y^10*z^4 + 54*z^5 - 1599*y*z^5 + 15699*y^2*z^5 - 64809*y^3*z^5 + 124195*y^4*z^5 - 98856*y^5*z^5 - 7911*y^6*z^5 + 61037*y^7*z^5 - 33156*y^8*z^5 + 5346*y^9*z^5 - 306*z^6 + 6852*y*z^6 - 46743*y^2*z^6 + 141134*y^3*z^6 - 212001*y^4*z^6 + 155910*y^5*z^6 - 43622*y^6*z^6 - 4032*y^7*z^6 + 2952*y^8*z^6 + 930*z^7 - 14523*y*z^7 + 72048*y^2*z^7 - 163456*y^3*z^7 + 189237*y^4*z^7 - 112503*y^5*z^7 + 32131*y^6*z^7 - 3576*y^7*z^7 - 1530*z^8 + 16710*y*z^8 - 60894*y^2*z^8 + 102552*y^3*z^8 - 86832*y^4*z^8 + 36708*y^5*z^8 - 6714*y^6*z^8 + 1386*z^9 - 10509*y*z^9 + 27507*y^2*z^9 - 32538*y^3*z^9 + 18144*y^4*z^9 - 4278*y^5*z^9 - 654*z^10 + 3300*y*z^10 - 5808*y^2*z^10 + 4236*y^3*z^10 - 1218*y^4*z^10 + 126*z^11 - 378*y*z^11 + 378*y^2*z^11 - 126*y^3*z^11))/ (72*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)^2*(y + z)^3) + (-1/2*(1 - 21*y + 51*y^2 - 47*y^3 + 16*y^4 + 42*z - 81*y*z - 16*y^2*z + 51*y^3*z - 118*z^2 + 85*y*z^2 + 15*y^2*z^2 + 107*z^3 + 14*y*z^3 - 32*z^4)/(z^2*(-1 + y + z)) - (I*Pi*(-y + 2*y^2 - y^3 + 6*z - 12*y*z + 4*y^2*z + 2*y^3*z - 18*z^2 + 9*y*z^2 + 18*z^3 + 4*y*z^3 - 6*z^4))/ (z^2*(-1 + y + z)) - (Pi^2*(2*y^3 - 6*y^4 + 6*y^5 - 2*y^6 - 10*y^3*z + 24*y^4*z - 18*y^5*z + 4*y^6*z + 2*y*z^2 - 6*y^2*z^2 + 25*y^3*z^2 - 33*y^4*z^2 + 12*y^5*z^2 + 4*z^3 - 18*y*z^3 + 24*y^2*z^3 - 23*y^3*z^3 + 12*y^4*z^3 - 16*z^4 + 42*y*z^4 - 30*y^2*z^4 + 6*y^3*z^4 + 24*z^5 - 38*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7))/(2*y^2*z^2* (-1 + y + z)^2))*G[0, 0, y] + (-1/2*(Pi^2*(y - 2*y^2 + 2*y^3 - 8*z + 14*y*z - 6*y^2*z + 24*z^2 - 31*y*z^2 + 8*y^2*z^2 - 24*z^3 + 16*y*z^3 + 8*z^4))/ (y^2*(-1 + y + z)) + (I*Pi*(y^2 - 4*y^3 + 6*y^4 - 4*y^5 + y^6 + 4*y*z - 14*y^2*z + 21*y^3*z - 19*y^4*z + 11*y^5*z - 3*y^6*z - 3*z^2 - 8*y*z^2 + 60*y^2*z^2 - 95*y^3*z^2 + 59*y^4*z^2 - 15*y^5*z^2 + 2*y^6*z^2 - 4*z^3 + 31*y*z^3 - 99*y^2*z^3 + 104*y^3*z^3 - 32*y^4*z^3 + 17*z^4 - 57*y*z^4 + 114*y^2*z^4 - 68*y^3*z^4 + 10*y^4*z^4 - 10*z^5 + 30*y*z^5 - 54*y^2*z^5 + 18*y^3*z^5))/((-1 + y)^3*y*(-1 + z)*z^2) + (-y^3 + y^4 - 5*y^5 + 47*y^6 - 123*y^7 + 143*y^8 - 79*y^9 + 17*y^10 - 31*y^3*z + 111*y^4*z - 89*y^5*z - 169*y^6*z + 433*y^7*z - 409*y^8*z + 191*y^9*z - 37*y^10*z + 3*y*z^2 + 31*y^2*z^2 - 109*y^3*z^2 + 309*y^4*z^2 - 1232*y^5*z^2 + 2764*y^6*z^2 - 3110*y^7*z^2 + 1744*y^8*z^2 - 420*y^9*z^2 + 20*y^10*z^2 + 2*z^3 - 17*y*z^3 - 33*y^2*z^3 + 697*y^3*z^3 - 3503*y^4*z^3 + 8360*y^5*z^3 - 10202*y^6*z^3 + 6276*y^7*z^3 - 1704*y^8*z^3 + 124*y^9*z^3 - 16*z^4 + 98*y*z^4 + 228*y^2*z^4 - 3402*y^3*z^4 + 11104*y^4*z^4 - 16587*y^5*z^4 + 12135*y^6*z^4 - 3970*y^7*z^4 + 410*y^8*z^4 + 34*z^5 - 40*y*z^5 - 1558*y^2*z^5 + 7796*y^3*z^5 - 15408*y^4*z^5 + 14389*y^5*z^5 - 6027*y^6*z^5 + 862*y^7*z^5 - 16*z^6 - 371*y*z^6 + 3049*y^2*z^6 - 8376*y^3*z^6 + 10430*y^4*z^6 - 5752*y^5*z^6 + 1084*y^6*z^6 - 26*z^7 + 567*y*z^7 - 2393*y^2*z^7 + 4146*y^3*z^7 - 3074*y^4*z^7 + 732*y^5*z^7 + 32*z^8 - 270*y*z^8 + 706*y^2*z^8 - 730*y^3*z^8 + 214*y^4*z^8 - 10*z^9 + 30*y*z^9 - 30*y^2*z^9 + 10*y^3*z^9)/ (4*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)*(y + z)^2))* G[0, 1, y] + ((Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + 4*y*z^2 + 12*z^3 - 12*z^4))/(2*y^2*z^2) - (I*Pi*(6*y^4 - 18*y^5 + 12*y^6 + 15*y^3*z - 76*y^4*z + 106*y^5*z - 34*y^6*z - 17*y^2*z^2 - 51*y^3*z^2 + 248*y^4*z^2 - 170*y^5*z^2 + 14*y^6*z^2 - 22*y*z^3 + 95*y^2*z^3 + 126*y^3*z^3 - 282*y^4*z^3 + 58*y^5*z^3 - 12*z^4 + 120*y*z^4 - 176*y^2*z^4 - 118*y^3*z^4 + 80*y^4*z^4 + 48*z^5 - 220*y*z^5 + 148*y^2*z^5 + 20*y^3*z^5 - 72*z^6 + 168*y*z^6 - 50*y^2*z^6 + 48*z^7 - 46*y*z^7 - 12*z^8))/(y*(-1 + z)*z*(-1 + y + z)* (y + z)^3) + (-8*y^4 + 29*y^5 - 37*y^6 + 19*y^7 - 3*y^8 - 44*y^3*z + 207*y^4*z - 385*y^5*z + 328*y^6*z - 107*y^7*z + y^8*z - 84*y^2*z^2 + 460*y^3*z^2 - 1174*y^4*z^2 + 1863*y^5*z^2 - 1473*y^6*z^2 + 402*y^7*z^2 + 2*y^8*z^2 - 68*y*z^3 + 270*y^2*z^3 - 874*y^3*z^3 + 3336*y^4*z^3 - 5101*y^5*z^3 + 2428*y^6*z^3 - 130*y^7*z^3 - 20*z^4 - 28*y*z^4 + 988*y^2*z^4 + 332*y^3*z^4 - 6196*y^4*z^4 + 5512*y^5*z^4 - 694*y^6*z^4 - 64*z^5 + 1572*y*z^5 - 4622*y^2*z^5 + 158*y^3*z^5 + 5065*y^4*z^5 - 1366*y^5*z^5 + 584*z^6 - 4472*y*z^6 + 6580*y^2*z^6 - 274*y^3*z^6 - 1046*y^4*z^6 - 1300*z^7 + 5294*y*z^7 - 4098*y^2*z^7 + 242*y^3*z^7 + 1336*z^8 - 2912*y*z^8 + 966*y^2*z^8 - 668*z^9 + 614*y*z^9 + 132*z^10)/ (4*y*(-1 + z)*z^2*(-1 + y + z)^2*(y + z)^3))*G[1, 0, y] + (-1/6*(63*y^3 - 63*y^4 + 20*y^2*z - 237*y^3*z + 126*y^4*z - 141*y*z^2 + 23*y^2*z^2 + 252*y^3*z^2 - 126*z^3 + 393*y*z^3 + 252*z^4 - 252*y*z^4 - 126*z^5)/(y*z*(y + z)^2) + (Pi^2*(2*y^3 - 6*y^4 + 6*y^5 - 2*y^6 - 10*y^3*z + 24*y^4*z - 18*y^5*z + 4*y^6*z + 5*y*z^2 - 15*y^2*z^2 + 33*y^3*z^2 - 35*y^4*z^2 + 12*y^5*z^2 + 16*z^3 - 63*y*z^3 + 78*y^2*z^3 - 43*y^3*z^3 + 12*y^4*z^3 - 64*z^4 + 159*y*z^4 - 111*y^2*z^4 + 18*y^3*z^4 + 96*z^5 - 149*y*z^5 + 48*y^2*z^5 - 64*z^6 + 48*y*z^6 + 16*z^7))/(2*y^2*z^2*(-1 + y + z)^2))*G[1, 1, y] + ((-3*y + 6*y^2 - 3*y^3 + 14*z - 24*y*z + 4*y^2*z + 6*y^3*z - 42*z^2 + 3*y*z^2 + 8*y^2*z^2 + 42*z^3 + 24*y*z^3 - 14*z^4)* G[0, 0, 0, y])/(2*z^2*(-1 + y + z)) + (((6*I)*Pi*(-1 + y + z)*(y + z)*(-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3))/(y^2*z^2) - (7*y - 31*y^2 + 54*y^3 - 50*y^4 + 35*y^5 - 27*y^6 + 16*y^7 - 4*y^8 + 14*z - 87*y*z + 191*y^2*z - 194*y^3*z + 114*y^4*z - 75*y^5*z + 51*y^6*z - 12*y^7*z - 2*y^8*z - 48*z^2 + 240*y*z^2 - 454*y^2*z^2 + 444*y^3*z^2 - 314*y^4*z^2 + 220*y^5*z^2 - 102*y^6*z^2 + 8*y^7*z^2 + 6*y^8*z^2 + 62*z^3 - 314*y*z^3 + 626*y^2*z^3 - 612*y^3*z^3 + 372*y^4*z^3 - 218*y^5*z^3 + 88*y^6*z^3 - 4*y^7*z^3 - 40*z^4 + 263*y*z^4 - 605*y^2*z^4 + 458*y^3*z^4 - 86*y^4*z^4 + 44*y^5*z^4 - 34*y^6*z^4 + 22*z^5 - 175*y*z^5 + 411*y^2*z^5 - 196*y^3*z^5 - 32*y^4*z^5 + 18*y^5*z^5 - 16*z^6 + 84*y*z^6 - 156*y^2*z^6 + 52*y^3*z^6 - 12*y^4*z^6 + 6*z^7 - 18*y*z^7 + 18*y^2*z^7 - 6*y^3*z^7)/(2*(-1 + y)^3*y^2*(-1 + z)*z^2* (-1 + y + z)))*G[0, 0, 1, y] + (((-6*I)*Pi*(-1 + y + z)*(-y^2 + 2*y^2*z - z^2))/(y*z^2) + (-5*y^4 + 12*y^5 - 13*y^6 + 10*y^7 - 4*y^8 - 25*y^3*z + 65*y^4*z - 31*y^5*z - 39*y^6*z + 32*y^7*z - 2*y^8*z - 45*y^2*z^2 + 151*y^3*z^2 - 65*y^4*z^2 - 249*y^5*z^2 + 354*y^6*z^2 - 130*y^7*z^2 + 6*y^8*z^2 - 35*y*z^3 + 183*y^2*z^3 - 199*y^3*z^3 - 201*y^4*z^3 + 732*y^5*z^3 - 622*y^6*z^3 + 104*y^7*z^3 - 10*z^4 + 113*y*z^4 - 204*y^2*z^4 + 251*y^3*z^4 + 70*y^4*z^4 - 816*y^5*z^4 + 368*y^6*z^4 + 28*z^5 - 92*y*z^5 + 302*y^2*z^5 - 1046*y^3*z^5 + 302*y^4*z^5 + 400*y^5*z^5 - 8*z^6 + 38*y*z^6 - 920*y^2*z^6 + 1470*y^3*z^6 - 150*y^4*z^6 - 44*z^7 - 166*y*z^7 + 1094*y^2*z^7 - 602*y^3*z^7 + 52*z^8 + 228*y*z^8 - 410*y^2*z^8 - 20*z^9 - 86*y*z^9 + 2*z^10)/(2*y^2*(-1 + z)*z^2*(-1 + y + z)* (y + z)^3))*G[0, 1, 0, y] - ((4*y^4 - 18*y^5 + 32*y^6 - 28*y^7 + 12*y^8 - 2*y^9 + 20*y^3*z - 88*y^4*z + 170*y^5*z - 190*y^6*z + 130*y^7*z - 50*y^8*z + 8*y^9*z - 36*y^2*z^2 + 116*y^3*z^2 - 85*y^4*z^2 - 170*y^5*z^2 + 464*y^6*z^2 - 488*y^7*z^2 + 245*y^8*z^2 - 46*y^9*z^2 - 28*y*z^3 + 220*y^2*z^3 - 573*y^3*z^3 + 506*y^4*z^3 + 401*y^5*z^3 - 1251*y^6*z^3 + 1006*y^7*z^3 - 305*y^8*z^3 + 24*y^9*z^3 - 8*z^4 + 126*y*z^4 - 545*y^2*z^4 + 908*y^3*z^4 - 210*y^4*z^4 - 1306*y^5*z^4 + 1713*y^6*z^4 - 744*y^7*z^4 + 98*y^8*z^4 + 28*z^5 - 225*y*z^5 + 610*y^2*z^5 - 520*y^3*z^5 - 564*y^4*z^5 + 1505*y^5*z^5 - 942*y^6*z^5 + 172*y^7*z^5 - 30*z^6 + 154*y*z^6 - 216*y^2*z^6 - 138*y^3*z^6 + 796*y^4*z^6 - 740*y^5*z^6 + 174*y^6*z^6 + 2*z^7 + 21*y*z^7 - 129*y^2*z^7 + 331*y^3*z^7 - 399*y^4*z^7 + 110*y^5*z^7 + 14*z^8 - 66*y*z^8 + 114*y^2*z^8 - 134*y^3*z^8 + 40*y^4*z^8 - 6*z^9 + 18*y*z^9 - 18*y^2*z^9 + 6*y^3*z^9)*G[0, 1, 1, y])/ (2*(-1 + y)^3*y^2*(-1 + z)*z^2*(y + z)^3) + (((-6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/z^2 + (7*y^5 - 21*y^6 + 21*y^7 - 7*y^8 - 9*y^4*z + 17*y^5*z - 15*y^7*z + 7*y^8*z - 63*y^3*z^2 + 301*y^4*z^2 - 505*y^5*z^2 + 331*y^6*z^2 - 64*y^7*z^2 - 13*y^2*z^3 + 395*y^3*z^3 - 1333*y^4*z^3 + 1515*y^5*z^3 - 580*y^6*z^3 + 42*y^7*z^3 + 26*y*z^4 - 14*y^2*z^4 - 998*y^3*z^4 + 2356*y^4*z^4 - 1536*y^5*z^4 + 222*y^6*z^4 + 24*z^5 - 234*y*z^5 + 269*y^2*z^5 + 1174*y^3*z^5 - 1741*y^4*z^5 + 454*y^5*z^5 - 120*z^6 + 658*y*z^6 - 596*y^2*z^6 - 580*y^3*z^6 + 410*y^4*z^6 + 240*z^7 - 830*y*z^7 + 506*y^2*z^7 + 72*y^3*z^7 - 240*z^8 + 492*y*z^8 - 152*y^2*z^8 + 120*z^9 - 112*y*z^9 - 24*z^10)/(2*y*(-1 + z)*z^2*(-1 + y + z)^2* (y + z)^3))*G[1, 0, 0, y] + (((6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4))/ (y^2*z^2) - (4*y^4 - 14*y^5 + 16*y^6 - 10*y^7 + 20*y^8 - 34*y^9 + 24*y^10 - 6*y^11 + 18*y^3*z - 86*y^4*z + 132*y^5*z - 56*y^6*z - 2*y^7*z - 70*y^8*z + 104*y^9*z - 44*y^10*z + 4*y^11*z - 42*y^2*z^2 + 154*y^3*z^2 - 265*y^4*z^2 + 445*y^5*z^2 - 692*y^6*z^2 + 622*y^7*z^2 - 249*y^8*z^2 + 25*y^9*z^2 + 2*y^11*z^2 - 34*y*z^3 + 274*y^2*z^3 - 811*y^3*z^3 + 1606*y^4*z^3 - 2675*y^5*z^3 + 3258*y^6*z^3 - 2373*y^7*z^3 + 866*y^8*z^3 - 115*y^9*z^3 + 4*y^10*z^3 - 10*z^4 + 140*y*z^4 - 615*y^2*z^4 + 1766*y^3*z^4 - 4081*y^4*z^4 + 6606*y^5*z^4 - 6433*y^6*z^4 + 3286*y^7*z^4 - 679*y^8*z^4 + 20*y^9*z^4 + 28*z^5 - 213*y*z^5 + 958*y^2*z^5 - 3379*y^3*z^5 + 7468*y^4*z^5 - 9509*y^5*z^5 + 6498*y^6*z^5 - 1979*y^7*z^5 + 160*y^8*z^5 - 28*z^6 + 279*y*z^6 - 1711*y^2*z^6 + 5268*y^3*z^6 - 8650*y^4*z^6 + 7697*y^5*z^6 - 3247*y^6*z^6 + 456*y^7*z^6 + 36*z^7 - 508*y*z^7 + 2332*y^2*z^7 - 4938*y^3*z^7 + 5568*y^4*z^7 - 3098*y^5*z^7 + 608*y^6*z^7 - 68*z^8 + 586*y*z^8 - 1694*y^2*z^8 + 2384*y^3*z^8 - 1688*y^4*z^8 + 416*y^5*z^8 + 60*z^9 - 304*y*z^9 + 552*y^2*z^9 - 480*y^3*z^9 + 140*y^4*z^9 - 18*z^10 + 54*y*z^10 - 54*y^2*z^10 + 18*y^3*z^10)/ (2*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)*(y + z)^3))* G[1, 0, 1, y] + (((-6*I)*Pi*(-1 + y + z))/y - (2*y - 7*y^2 + 8*y^3 - 2*y^4 - 2*y^5 + y^6 + 4*z - 17*y*z + 24*y^2*z - y^3*z - 25*y^4*z + 18*y^5*z - 3*y^6*z - 14*z^2 + 37*y*z^2 - 40*y^2*z^2 - 21*y^3*z^2 + 69*y^4*z^2 - 33*y^5*z^2 + 2*y^6*z^2 + 9*z^3 - 55*y*z^3 + 146*y^2*z^3 - 24*y^3*z^3 - 95*y^4*z^3 + 29*y^5*z^3 + 29*z^4 + 111*y*z^4 - 330*y^2*z^4 + 77*y^3*z^4 + 53*y^4*z^4 - 64*z^5 - 165*y*z^5 + 307*y^2*z^5 - 39*y^3*z^5 + 54*z^6 + 120*y*z^6 - 100*y^2*z^6 - 21*z^7 - 33*y*z^7 + 3*z^8)/(y^2*(-1 + z)*z^2*(-1 + y + z)^2))* G[1, 1, 0, y] + (3*(3*y - 6*y^2 + 4*y^3 + 6*z - 18*y*z + 12*y^2*z - 18*z^2 + 27*y*z^2 - 6*y^2*z^2 + 18*z^3 - 12*y*z^3 - 6*z^4)* G[0, 0, 0, 1, y])/(y^2*(-1 + y + z)) + (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 2*y*z^2 - 6*y^2*z^2 + 16*y^3*z^2 - 18*y^4*z^2 + 6*y^5*z^2 + 2*z^3 - 12*y*z^3 + 18*y^2*z^3 - 14*y^3*z^3 + 6*y^4*z^3 - 8*z^4 + 24*y*z^4 - 18*y^2*z^4 + 2*y^3*z^4 + 12*z^5 - 20*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7)*G[0, 0, 1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) - (6*(-1 + y + z)*(y + z)* (-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3)*G[0, 0, 1, 1, y])/ (y^2*z^2) + (6*(-1 + y + z)*(-2*y^2 + 4*y^2*z - z^2)* G[0, 1, 0, 0, y])/(y*z^2) - (3*(-2*y^3 + 4*y^4 - 2*y^5 + 8*y^3*z - 12*y^4*z + 4*y^5*z + 2*y*z^2 - 4*y^2*z^2 - 7*y^3*z^2 + 8*y^4*z^2 + 4*z^3 - 12*y*z^3 + 8*y^2*z^3 + 4*y^3*z^3 - 12*z^4 + 18*y*z^4 - 4*y^2*z^4 + 12*z^5 - 8*y*z^5 - 4*z^6)* G[0, 1, 0, 1, y])/(y^2*z^2*(-1 + y + z)) - (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + y*z^2 - 3*y^2*z^2 + 13*y^3*z^2 - 17*y^4*z^2 + 6*y^5*z^2 - 8*z^3 + 21*y*z^3 - 18*y^2*z^3 - y^3*z^3 + 6*y^4*z^3 + 32*z^4 - 69*y*z^4 + 45*y^2*z^4 - 8*y^3*z^4 - 48*z^5 + 71*y*z^5 - 24*y^2*z^5 + 32*z^6 - 24*y*z^6 - 8*z^7)*G[0, 1, 1, 0, y])/ (y^2*z^2*(-1 + y + z)^2) + (9*y*(-1 + y + z)*(-1 + 2*z)* G[1, 0, 0, 0, y])/z^2 + (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z - 3*y*z^2 + 9*y^2*z^2 - 12*y^4*z^2 + 6*y^5*z^2 - 6*z^3 + 27*y*z^3 - 36*y^2*z^3 + 10*y^3*z^3 + 6*y^4*z^3 + 24*z^4 - 63*y*z^4 + 45*y^2*z^4 - 6*y^3*z^4 - 36*z^5 + 57*y*z^5 - 18*y^2*z^5 + 24*z^6 - 18*y*z^6 - 6*z^7)* G[1, 0, 0, 1, y])/(y^2*z^2*(-1 + y + z)^2) - (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*y*z^2 + 8*z^3 - 8*z^4)* G[1, 0, 1, 0, y])/(y^2*z^2) - (3*(-1 + y + z)*(-2*y^3 + 4*y^3*z + 3*y*z^2 + 6*z^3 - 6*z^4)*G[1, 0, 1, 1, y])/(y^2*z^2) - (6*(-1 + y + z)*(-y^2 + 2*y^2*z - z^2)*G[1, 1, 0, 0, y])/(y*z^2) + (3*(2*y^3 - 6*y^4 + 6*y^5 - 2*y^6 - 10*y^3*z + 24*y^4*z - 18*y^5*z + 4*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 27*y^3*z^2 - 33*y^4*z^2 + 12*y^5*z^2 + 6*z^3 - 27*y*z^3 + 36*y^2*z^3 - 27*y^3*z^3 + 12*y^4*z^3 - 24*z^4 + 63*y*z^4 - 45*y^2*z^4 + 8*y^3*z^4 + 36*z^5 - 57*y*z^5 + 18*y^2*z^5 - 24*z^6 + 18*y*z^6 + 6*z^7)* G[1, 1, 0, 1, y])/(y^2*z^2*(-1 + y + z)^2) + (3*(-1 + y + z)*(5*y + 16*z - 16*z^2)*G[1, 1, 1, 0, y])/y^2 + (((6*I)*Pi*(-1 + y + z)*(-4*y^3 + 8*y^3*z + 3*y*z^2 + 8*z^3 - 8*z^4))/(y^2*z^2) - (25*y^4 - 113*y^5 + 209*y^6 - 225*y^7 + 195*y^8 - 155*y^9 + 83*y^10 - 19*y^11 + 121*y^3*z - 632*y^4*z + 1290*y^5*z - 1366*y^6*z + 970*y^7*z - 676*y^8*z + 402*y^9*z - 110*y^10*z + y^11*z - 219*y^2*z^2 + 758*y^3*z^2 - 924*y^4*z^2 + 528*y^5*z^2 - 152*y^6*z^2 - 314*y^7*z^2 + 630*y^8*z^2 - 342*y^9*z^2 + 17*y^10*z^2 + 18*y^11*z^2 - 173*y*z^3 + 1552*y^2*z^3 - 4772*y^3*z^3 + 8000*y^4*z^3 - 8882*y^5*z^3 + 6544*y^6*z^3 - 2348*y^7*z^3 - 286*y^8*z^3 + 395*y^9*z^3 - 30*y^10*z^3 - 50*z^4 + 835*y*z^4 - 4237*y^2*z^4 + 11213*y^3*z^4 - 18852*y^4*z^4 + 20838*y^5*z^4 - 13777*y^6*z^4 + 3895*y^7*z^4 + 435*y^8*z^4 - 300*y^9*z^4 + 176*z^5 - 1704*y*z^5 + 7294*y^2*z^5 - 18799*y^3*z^5 + 30220*y^4*z^5 - 29379*y^5*z^5 + 15428*y^6*z^5 - 2978*y^7*z^5 - 178*y^8*z^5 - 266*z^6 + 2396*y*z^6 - 10289*y^2*z^6 + 24240*y^3*z^6 - 32671*y^4*z^6 + 24714*y^5*z^6 - 8964*y^6*z^6 + 1000*y^7*z^6 + 304*z^7 - 2905*y*z^7 + 10848*y^2*z^7 - 20167*y^3*z^7 + 20418*y^4*z^7 - 10456*y^5*z^7 + 1958*y^6*z^7 - 326*z^8 + 2487*y*z^8 - 6785*y^2*z^8 + 9038*y^3*z^8 - 6034*y^4*z^8 + 1460*y^5*z^8 + 224*z^9 - 1122*y*z^9 + 2022*y^2*z^9 - 1694*y^3*z^9 + 490*y^4*z^9 - 62*z^10 + 186*y*z^10 - 186*y^2*z^10 + 62*y^3*z^10)/(2*(-1 + y)^3*y^2*(-1 + z)*z^2* (-1 + y + z)*(y + z)^3))*Zeta[3]) + G[0, z]*((11*Pi^4*y*(-1 + z)*z)/(12*(-1 + y + z)^2) - ((4*I)*Pi*z*(-1 + 2*y + z)*(3*y - 3*y^2 + z - 4*y*z + y^2*z - z^2 + y*z^2))/((-1 + y)*y*(-1 + y + z)*(y + z)) - (z*(-1 + 2*y + z)*(43*y - 43*y^2 + 13*z - 56*y*z + 13*y^2*z - 13*z^2 + 13*y*z^2))/((-1 + y)*y*(-1 + y + z)*(y + z)) + ((I/6)*Pi^3*(6*y^2 - 30*y^3 + 60*y^4 - 60*y^5 + 30*y^6 - 6*y^7 - 27*y^2*z + 120*y^3*z - 210*y^4*z + 180*y^5*z - 75*y^6*z + 12*y^7*z + 12*z^2 - 62*y*z^2 + 149*y^2*z^2 - 231*y^3*z^2 + 239*y^4*z^2 - 143*y^5*z^2 + 36*y^6*z^2 - 36*z^3 + 160*y*z^3 - 233*y^2*z^3 + 158*y^3*z^3 - 77*y^4*z^3 + 28*y^5*z^3 + 36*z^4 - 134*y*z^4 + 117*y^2*z^4 - 25*y^3*z^4 + 6*y^4*z^4 - 12*z^5 + 36*y*z^5 - 12*y^2*z^5 + 4*y^3*z^5))/((-1 + y)^3*y*z* (-1 + y + z)^2) + (Pi^2*(8*y^3 + 22*y^4 - 228*y^5 + 532*y^6 - 568*y^7 + 294*y^8 - 60*y^9 + 32*y^2*z - 56*y^3*z - 502*y^4*z + 2018*y^5*z - 3054*y^6*z + 2242*y^7*z - 772*y^8*z + 92*y^9*z + 40*y*z^2 - 152*y^2*z^2 - 446*y^3*z^2 + 2996*y^4*z^2 - 5882*y^5*z^2 + 5570*y^6*z^2 - 2616*y^7*z^2 + 490*y^8*z^2 + 16*z^3 + 18*y*z^3 - 808*y^2*z^3 + 3444*y^3*z^3 - 6537*y^4*z^3 + 6708*y^5*z^3 - 3761*y^6*z^3 + 920*y^7*z^3 + 60*z^4 - 788*y*z^4 + 3078*y^2*z^4 - 5332*y^3*z^4 + 4865*y^4*z^4 - 2643*y^5*z^4 + 760*y^6*z^4 - 248*z^5 + 1492*y*z^5 - 3121*y^2*z^5 + 2720*y^3*z^5 - 1095*y^4*z^5 + 300*y^5*z^5 + 252*z^6 - 978*y*z^6 + 1157*y^2*z^6 - 437*y^3*z^6 + 102*y^4*z^6 - 80*z^7 + 216*y*z^7 - 128*y^2*z^7 + 40*y^3*z^7))/(24*(-1 + y)^3*y*z*(-1 + y + z)^2* (y + z)^2) + (((-I)*Pi*(-6*y + 12*y^2 - 6*y^3 + 27*y*z - 39*y^2*z + 12*y^3*z + 6*z^2 - 43*y*z^2 + 26*y^2*z^2 - 12*z^3 + 22*y*z^3 + 6*z^4))/(z*(-1 + y + z)^2) - (-y^2 - 32*y^3 + 63*y^4 - 30*y^5 - 2*y*z - 48*y^2*z + 206*y^3*z - 206*y^4*z + 46*y^5*z - z^2 - 34*y*z^2 + 293*y^2*z^2 - 499*y^3*z^2 + 181*y^4*z^2 + 14*z^3 + 156*y*z^3 - 551*y^2*z^3 + 322*y^3*z^3 + 6*z^4 - 279*y*z^4 + 317*y^2*z^4 - 51*z^5 + 162*y*z^5 + 32*z^6)/(2*z*(-1 + y + z)^2*(y + z)^2))*G[0, 0, y] + ((-2*Pi^2*(-1 + z)*z*(-1 + 3*y - 3*y^2 + 3*y^3 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 3*y*z^2 + z^3))/(y^2*(-1 + y + z)^2) + (I*Pi*(-6*y^3 + 24*y^4 - 36*y^5 + 24*y^6 - 6*y^7 + 21*y^3*z - 75*y^4*z + 99*y^5*z - 57*y^6*z + 12*y^7*z - 2*z^2 + 8*y*z^2 - 20*y^2*z^2 + 34*y^3*z^2 - 6*y^4*z^2 - 38*y^5*z^2 + 24*y^6*z^2 + 6*z^3 - 22*y*z^3 + 38*y^2*z^3 - 87*y^3*z^3 + 85*y^4*z^3 - 20*y^5*z^3 - 6*z^4 + 20*y*z^4 - 24*y^2*z^4 + 36*y^3*z^4 - 10*y^4*z^4 + 2*z^5 - 6*y*z^5 + 6*y^2*z^5 - 2*y^3*z^5))/ ((-1 + y)^3*y^2*z*(-1 + y + z)) + (8*y^2 + 22*y^3 - 228*y^4 + 532*y^5 - 568*y^6 + 294*y^7 - 60*y^8 - 4*z + 24*y*z - 64*y^2*z - 186*y^3*z + 1138*y^4*z - 2026*y^5*z + 1678*y^6*z - 652*y^7*z + 92*y^8*z + 46*z^2 - 276*y*z^2 + 780*y^2*z^2 - 1018*y^3*z^2 + 138*y^4*z^2 + 1068*y^5*z^2 - 1044*y^6*z^2 + 306*y^7*z^2 - 132*z^3 + 700*y*z^3 - 1700*y^2*z^3 + 2507*y^3*z^3 - 2054*y^4*z^3 + 679*y^5*z^3 + 162*z^4 - 732*y*z^4 + 1388*y^2*z^4 - 1707*y^3*z^4 + 1191*y^4*z^4 - 302*y^5*z^4 - 92*z^5 + 344*y*z^5 - 472*y^2*z^5 + 376*y^3*z^5 - 108*y^4*z^5 + 20*z^6 - 60*y*z^6 + 60*y^2*z^6 - 20*y^3*z^6)/(4*(-1 + y)^3*y^2*z* (-1 + y + z)^2))*G[0, 1, y] + ((Pi^2*(-1 + z)*z*(-1 + y + z))/y^2 + (I*Pi*(6*y^4 - 18*y^5 + 18*y^6 - 6*y^7 + 15*y^3*z - 75*y^4*z + 117*y^5*z - 69*y^6*z + 12*y^7*z - 17*y^2*z^2 - 10*y^3*z^2 + 151*y^4*z^2 - 182*y^5*z^2 + 60*y^6*z^2 - 22*y*z^3 + 153*y^2*z^3 - 153*y^3*z^3 - 70*y^4*z^3 + 88*y^5*z^3 - 12*z^4 + 166*y*z^4 - 489*y^2*z^4 + 366*y^3*z^4 - 30*y^4*z^4 + 60*z^5 - 392*y*z^5 + 607*y^2*z^5 - 222*y^3*z^5 - 108*z^6 + 374*y*z^6 - 254*y^2*z^6 + 84*z^7 - 126*y*z^7 - 24*z^8))/(y*z*(-1 + y + z)^2* (y + z)^3) + (2*y^4 + 62*y^5 - 190*y^6 + 186*y^7 - 60*y^8 + 10*y^3*z + 108*y^4*z - 642*y^5*z + 992*y^6*z - 564*y^7*z + 92*y^8*z + 18*y^2*z^2 - 232*y^3*z^2 + 168*y^4*z^2 + 816*y^5*z^2 - 1170*y^6*z^2 + 430*y^7*z^2 + 14*y*z^3 - 437*y^2*z^3 + 2211*y^3*z^3 - 2949*y^4*z^3 + 785*y^5*z^3 + 434*y^6*z^3 + 4*z^4 - 233*y*z^4 + 2448*y^2*z^4 - 6663*y^3*z^4 + 5616*y^4*z^4 - 972*y^5*z^4 - 26*z^5 + 909*y*z^5 - 5101*y^2*z^5 + 7650*y^3*z^5 - 2868*y^4*z^5 + 52*z^6 - 1439*y*z^6 + 4490*y^2*z^6 - 2950*y^3*z^6 - 42*z^7 + 1017*y*z^7 - 1418*y^2*z^7 + 12*z^8 - 268*y*z^8)/(4*y^2*z*(-1 + y + z)^2* (y + z)^3))*G[1, 0, y] + ((Pi^2*(-1 + z)*z*(2 - 6*y + 6*y^2 + y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3))/(y^2*(-1 + y + z)^2) - (I*Pi*(6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4))/(y^2*z) - (4*y + 19*y^2 - 80*y^3 + 87*y^4 - 30*y^5 + 8*z - 36*y*z - 34*y^2*z + 190*y^3*z - 174*y^4*z + 46*y^5*z + 5*z^2 - 49*y*z^2 + 166*y^2*z^2 - 171*y^3*z^2 + 49*y^4*z^2 - 36*z^3 + 130*y*z^3 - 184*y^2*z^3 + 58*y^3*z^3 + 23*z^4 - 46*y*z^4 + 23*y^2*z^4)/ (2*(-1 + y)^2*y^2*z))*G[1, 1, y] + ((-18*y + 36*y^2 - 18*y^3 + 81*y*z - 117*y^2*z + 36*y^3*z + 14*z^2 - 129*y*z^2 + 82*y^2*z^2 - 28*z^3 + 66*y*z^3 + 14*z^4)* G[0, 0, 0, y])/(2*z*(-1 + y + z)^2) + (((12*I)*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 + (6*y^3 - 30*y^4 + 60*y^5 - 60*y^6 + 30*y^7 - 6*y^8 - 27*y^3*z + 120*y^4*z - 210*y^5*z + 180*y^6*z - 75*y^7*z + 12*y^8*z + 6*z^2 - 32*y*z^2 + 86*y^2*z^2 - 83*y^3*z^2 - 77*y^4*z^2 + 223*y^5*z^2 - 163*y^6*z^2 + 40*y^7*z^2 - 12*z^3 + 45*y*z^3 - 88*y^2*z^3 + 155*y^3*z^3 - 148*y^4*z^3 + 30*y^5*z^3 + 18*y^6*z^3 + 8*z^4 - 23*y*z^4 + 41*y^2*z^4 - 134*y^3*z^4 + 148*y^4*z^4 - 40*y^5*z^4 - 4*z^5 + 16*y*z^5 - 24*y^2*z^5 + 40*y^3*z^5 - 12*y^4*z^5 + 2*z^6 - 6*y*z^6 + 6*y^2*z^6 - 2*y^3*z^6)/(2*(-1 + y)^3*y^2*z*(-1 + y + z)^2))*G[0, 0, 1, y] + (((12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + (6*y^5 - 12*y^6 + 6*y^7 + 15*y^4*z - 57*y^5*z + 54*y^6*z - 12*y^7*z + 2*y^3*z^2 - 90*y^4*z^2 + 183*y^5*z^2 - 92*y^6*z^2 + 4*y^7*z^2 + 35*y^2*z^3 - 197*y^3*z^3 + 453*y^4*z^3 - 338*y^5*z^3 + 50*y^6*z^3 + 45*y*z^4 - 314*y^2*z^4 + 763*y^3*z^4 - 720*y^4*z^4 + 191*y^5*z^4 + 19*z^5 - 224*y*z^5 + 741*y^2*z^5 - 914*y^3*z^5 + 357*y^4*z^5 - 62*z^6 + 372*y*z^6 - 674*y^2*z^6 + 374*y^3*z^6 + 76*z^7 - 264*y*z^7 + 224*y^2*z^7 - 42*z^8 + 71*y*z^8 + 9*z^9)/(y^2*z*(-1 + y + z)^2*(y + z)^3))* G[0, 1, 0, y] - ((12*y^2 - 72*y^3 + 168*y^4 - 192*y^5 + 108*y^6 - 24*y^7 - 6*y*z - 18*y^2*z + 198*y^3*z - 474*y^4*z + 504*y^5*z - 252*y^6*z + 48*y^7*z + 14*y*z^2 - 22*y^2*z^2 - 50*y^3*z^2 + 194*y^4*z^2 - 220*y^5*z^2 + 84*y^6*z^2 - 4*z^3 + 7*y*z^3 + 9*y^2*z^3 - 119*y^3*z^3 + 137*y^4*z^3 - 30*y^5*z^3 + 6*z^4 - 18*y*z^4 + 18*y^2*z^4 + 42*y^3*z^4 - 16*y^4*z^4 - 2*z^5 + 6*y*z^5 - 6*y^2*z^5 + 2*y^3*z^5)*G[0, 1, 1, y])/ (2*(-1 + y)^3*y^2*z*(-1 + y + z)) - ((12*y^4 - 48*y^5 + 60*y^6 - 24*y^7 + 30*y^3*z - 186*y^4*z + 360*y^5*z - 252*y^6*z + 48*y^7*z - 34*y^2*z^2 - 58*y^3*z^2 + 546*y^4*z^2 - 724*y^5*z^2 + 252*y^6*z^2 - 44*y*z^3 + 288*y^2*z^3 - 87*y^3*z^3 - 667*y^4*z^3 + 474*y^5*z^3 - 24*z^4 + 326*y*z^4 - 885*y^2*z^4 + 350*y^3*z^4 + 286*y^4*z^4 + 118*z^5 - 765*y*z^5 + 1088*y^2*z^5 - 234*y^3*z^5 - 213*z^6 + 734*y*z^6 - 450*y^2*z^6 + 167*z^7 - 248*y*z^7 - 48*z^8)*G[1, 0, 0, y])/ (2*y*z*(-1 + y + z)^2*(y + z)^3) + (((12*I)*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 - (-6*y^2 + 30*y^3 - 60*y^4 + 60*y^5 - 30*y^6 + 6*y^7 + 3*y*z + 12*y^2*z - 90*y^3*z + 180*y^4*z - 165*y^5*z + 72*y^6*z - 12*y^7*z + 2*z^2 - 29*y*z^2 + 90*y^2*z^2 - 108*y^3*z^2 + 40*y^4*z^2 + 21*y^5*z^2 - 20*y^6*z^2 + 4*y^7*z^2 - 14*z^3 + 111*y*z^3 - 336*y^2*z^3 + 445*y^3*z^3 - 278*y^4*z^3 + 94*y^5*z^3 - 22*y^6*z^3 + 26*z^4 - 147*y*z^4 + 330*y^2*z^4 - 299*y^3*z^4 + 115*y^4*z^4 - 25*y^5*z^4 - 18*z^5 + 74*y*z^5 - 114*y^2*z^5 + 54*y^3*z^5 - 12*y^4*z^5 + 4*z^6 - 12*y*z^6 + 12*y^2*z^6 - 4*y^3*z^6)/((-1 + y)^3*y^2*z*(-1 + y + z)^2))* G[1, 0, 1, y] + (((12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + (6*y^5 - 18*y^6 + 18*y^7 - 6*y^8 + 15*y^4*z - 75*y^5*z + 117*y^6*z - 69*y^7*z + 12*y^8*z + 21*y^3*z^2 - 112*y^4*z^2 + 239*y^5*z^2 - 198*y^6*z^2 + 56*y^7*z^2 + 92*y^2*z^3 - 281*y^3*z^3 + 342*y^4*z^3 - 213*y^5*z^3 + 74*y^6*z^3 + 102*y*z^4 - 524*y^2*z^4 + 630*y^3*z^4 - 142*y^4*z^4 - 20*y^5*z^4 + 38*z^5 - 426*y*z^5 + 875*y^2*z^5 - 311*y^3*z^5 - 102*y^4*z^5 - 128*z^6 + 609*y*z^6 - 522*y^2*z^6 - 14*y^3*z^6 + 162*z^7 - 367*y*z^7 + 100*y^2*z^7 - 92*z^8 + 82*y*z^8 + 20*z^9)/ (2*y^2*z*(-1 + y + z)^2*(y + z)^3))*G[1, 1, 0, y] + ((18*y^2 - 18*y^3 - 9*y*z - 45*y^2*z + 36*y^3*z + 6*z^2 - y*z^2 + 26*y^2*z^2 - 12*z^3 + 10*y*z^3 + 6*z^4)*G[1, 1, 1, y])/ (2*y^2*z) + (12*y*(-1 + z)*z*G[0, 0, 0, 1, y])/(-1 + y + z)^2 + (18*(-1 + z)*z*(-1 + y + z)*G[0, 0, 1, 0, y])/y^2 - (12*y*(-1 + z)*z*G[0, 0, 1, 1, y])/(-1 + y + z)^2 - (12*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, 0, y])/y^2 - (30*y*(-1 + z)*z*G[0, 1, 0, 1, y])/(-1 + y + z)^2 + (12*(-1 + z)*z*(-1 + y + z)*G[0, 1, 1, 0, y])/y^2 + (12*y*(-1 + z)*z*G[1, 0, 0, 1, y])/(-1 + y + z)^2 - (30*(-1 + z)*z*(-1 + y + z)*G[1, 0, 1, 0, y])/y^2 - (12*y*(-1 + z)*z*G[1, 0, 1, 1, y])/(-1 + y + z)^2 - (12*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, 0, y])/y^2 + (18*y*(-1 + z)*z*G[1, 1, 0, 1, y])/(-1 + y + z)^2 + (12*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, 0, y])/y^2 + (((36*I)*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 + (-54*y^2 + 270*y^3 - 540*y^4 + 540*y^5 - 270*y^6 + 54*y^7 + 297*y^2*z - 1350*y^3*z + 2430*y^4*z - 2160*y^5*z + 945*y^6*z - 162*y^7*z + 72*z^2 - 392*y*z^2 + 318*y^2*z^2 + 1305*y^3*z^2 - 3091*y^4*z^2 + 2631*y^5*z^2 - 951*y^6*z^2 + 108*y^7*z^2 - 288*z^3 + 1392*y*z^3 - 2706*y^2*z^3 + 1957*y^3*z^3 + 352*y^4*z^3 - 983*y^5*z^3 + 276*y^6*z^3 + 432*z^4 - 1824*y*z^4 + 3756*y^2*z^4 - 3405*y^3*z^4 + 1021*y^4*z^4 + 20*y^5*z^4 - 288*z^5 + 1040*y*z^5 - 2043*y^2*z^5 + 1495*y^3*z^5 - 316*y^4*z^5 + 72*z^6 - 216*y*z^6 + 384*y^2*z^6 - 128*y^3*z^6)/ (2*(-1 + y)^3*y*(-1 + z)*z*(-1 + y + z)^2))*Zeta[3] + G[1, y]*(((-2*I)*Pi^3*(-1 + z)^2*z*(1 - 3*y + 3*y^2 - 2*z + 3*y*z + z^2))/(y^2*(-1 + y + z)^2) + (I*Pi*(3*y - 12*y^2 + 15*y^3 - 6*y^4 + 4*z - 43*y*z + 107*y^2*z - 84*y^3*z + 16*y^4*z - 8*z^2 + 48*y*z^2 - 88*y^2*z^2 + 32*y^3*z^2 + 4*z^3 - 8*y*z^3 + 4*y^2*z^3))/((-1 + y)^2*y^2) + (3*y - 15*y^2 + 27*y^3 - 21*y^4 + 6*y^5 - 6*z - 17*y*z + 177*y^2*z - 360*y^3*z + 287*y^4*z - 81*y^5*z - 12*z^2 + 441*y*z^2 - 1657*y^2*z^2 + 2173*y^3*z^2 - 1079*y^4*z^2 + 134*y^5*z^2 + 78*z^3 - 927*y*z^3 + 2467*y^2*z^3 - 2072*y^3*z^3 + 454*y^4*z^3 - 96*z^4 + 572*y*z^4 - 1008*y^2*z^4 + 356*y^3*z^4 + 36*z^5 - 72*y*z^5 + 36*y^2*z^5)/ (4*(-1 + y)^2*y^2*z*(-1 + y + z)) - (Pi^2*(-12*y^5 + 60*y^6 - 120*y^7 + 120*y^8 - 60*y^9 + 12*y^10 - 30*y^4*z + 204*y^5*z - 540*y^6*z + 720*y^7*z - 510*y^8*z + 180*y^9*z - 24*y^10*z - 26*y^3*z^2 + 278*y^4*z^2 - 982*y^5*z^2 + 1672*y^6*z^2 - 1528*y^7*z^2 + 748*y^8*z^2 - 176*y^9*z^2 + 14*y^10*z^2 - 77*y^2*z^3 + 574*y^3*z^3 - 1794*y^4*z^3 + 2976*y^5*z^3 - 2907*y^6*z^3 + 1694*y^7*z^3 - 506*y^8*z^3 + 40*y^9*z^3 - 87*y*z^4 + 743*y^2*z^4 - 2471*y^3*z^4 + 4153*y^4*z^4 - 4142*y^5*z^4 + 2684*y^6*z^4 - 950*y^7*z^4 + 70*y^8*z^4 - 34*z^5 + 451*y*z^5 - 1933*y^2*z^5 + 3845*y^3*z^5 - 4307*y^4*z^5 + 3190*y^5*z^5 - 1396*y^6*z^5 + 152*y^7*z^5 + 100*z^6 - 756*y*z^6 + 2110*y^2*z^6 - 2982*y^3*z^6 + 2642*y^4*z^6 - 1448*y^5*z^6 + 238*y^6*z^6 - 110*z^7 + 586*y*z^7 - 1206*y^2*z^7 + 1340*y^3*z^7 - 902*y^4*z^7 + 196*y^5*z^7 + 56*z^8 - 230*y*z^8 + 354*y^2*z^8 - 290*y^3*z^8 + 78*y^4*z^8 - 12*z^9 + 36*y*z^9 - 36*y^2*z^9 + 12*y^3*z^9))/(12*(-1 + y)^3*y^2*z*(-1 + y + z)^2*(y + z)^3) + (12*(-1 + z)*z*(-3 + 9*y - 9*y^2 + 8*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 3*z^3)*Zeta[3])/ (y^2*(-1 + y + z)^2))) + G[0, y]* ((-11*Pi^4*y*(-1 + y - z + 2*z^2))/(24*(-1 + y + z)^2) - (((4*I)/9)*Pi*(9*y^2 - 45*y^3 + 81*y^4 - 63*y^5 + 18*y^6 + 16*y*z - 47*y^2*z + 100*y^3*z - 123*y^4*z + 54*y^5*z - 11*z^2 + 78*y*z^2 - 86*y^2*z^2 - 56*y^3*z^2 + 75*y^4*z^2 + 44*z^3 - 142*y*z^3 + 18*y^2*z^3 + 63*y^3*z^3 - 55*z^4 + 36*y*z^4 + 36*y^2*z^4 + 22*z^5 + 12*y*z^5))/((-1 + y)^2*z*(-1 + y + z)*(y + z)) - (351*y^2 - 1755*y^3 + 3159*y^4 - 2457*y^5 + 702*y^6 + 991*y*z - 2996*y^2*z + 5071*y^3*z - 5118*y^4*z + 2052*y^5*z - 170*z^2 + 1059*y*z^2 - 506*y^2*z^2 - 3140*y^3*z^2 + 2757*y^4*z^2 + 680*z^3 - 2458*y*z^3 - 819*y^2*z^3 + 2223*y^3*z^3 - 850*z^4 + 1224*y^2*z^4 + 340*z^5 + 408*y*z^5)/(27*(-1 + y)^2*z*(-1 + y + z)*(y + z)) - ((I/6)*Pi^3*(6*y^2 - 12*y^3 + 6*y^4 - 2*y*z - 31*y^2*z + 51*y^3*z - 18*y^4*z + 12*z^2 - 30*y*z^2 + 72*y^2*z^2 - 45*y^3*z^2 + 4*y^4*z^2 - 48*z^3 + 102*y*z^3 - 75*y^2*z^3 + 6*y^3*z^3 + 72*z^4 - 106*y*z^4 + 28*y^2*z^4 - 48*z^5 + 36*y*z^5 + 12*z^6))/ (y*(-1 + z)*z*(-1 + y + z)^2) - (Pi^2*(12*y^3 + 24*y^4 - 195*y^5 + 321*y^6 - 213*y^7 + 51*y^8 + 48*y^2*z - 20*y^3*z - 1275*y^4*z + 3687*y^5*z - 4120*y^6*z + 2091*y^7*z - 411*y^8*z + 60*y*z^2 + 47*y^2*z^2 - 3207*y^3*z^2 + 11148*y^4*z^2 - 14894*y^5*z^2 + 8925*y^6*z^2 - 2163*y^7*z^2 + 84*y^8*z^2 + 24*z^3 + 151*y*z^3 - 3792*y^2*z^3 + 16322*y^3*z^3 - 26758*y^4*z^3 + 19116*y^5*z^3 - 5444*y^6*z^3 + 285*y^7*z^3 + 108*z^4 - 2379*y*z^4 + 13498*y^2*z^4 - 29005*y^3*z^4 + 26334*y^4*z^4 - 9574*y^5*z^4 + 870*y^6*z^4 - 666*z^5 + 6116*y*z^5 - 19007*y^2*z^5 + 23622*y^3*z^5 - 11777*y^4*z^5 + 1860*y^5*z^5 + 1110*z^6 - 6499*y*z^6 + 12372*y^2*z^6 - 8759*y^3*z^6 + 2028*y^4*z^6 - 774*z^7 + 3051*y*z^7 - 3364*y^2*z^7 + 1035*y^3*z^7 + 198*z^8 - 500*y*z^8 + 198*y^2*z^8))/(36*(-1 + y)^2*y*(-1 + z)*z* (-1 + y + z)^2*(y + z)^2) + ((Pi^2*(6*y^2 - 6*y^3 - 21*y^2*z + 12*y^3*z - 12*z^2 + 34*y*z^2 + 34*y^2*z^2 + 24*z^3 - 34*y*z^3 - 12*z^4))/ (12*y*z*(-1 + y + z)) - (I*Pi*(-3*y^2 + 9*y^3 - 6*y^4 + 11*y*z - 22*y^2*z - 4*y^3*z + 16*y^4*z - 2*z^2 - 39*y*z^2 + 32*y^2*z^2 + 32*y^3*z^2 - 8*z^3 + 52*y*z^3 + 4*y^2*z^3 + 22*z^4 - 24*y*z^4 - 12*z^5))/((-1 + y + z)^2*(y + z)^2) - (3*y^3 - 9*y^4 + 6*y^5 - 58*y^3*z + 148*y^4*z - 81*y^5*z - 9*y*z^2 + 152*y^2*z^2 - 271*y^3*z^2 + 4*y^4*z^2 + 134*y^5*z^2 - 6*z^3 + 49*y*z^3 - 616*y^2*z^3 + 570*y^3*z^3 + 216*y^4*z^3 + 24*z^4 - 233*y*z^4 + 816*y^2*z^4 - 120*y^3*z^4 - 30*z^5 + 343*y*z^5 - 352*y^2*z^5 + 12*z^6 - 150*y*z^6)/ (4*y*z*(-1 + y + z)^2*(y + z)^2))*G[0, z] + (((2*I)*Pi*z*(-2 + y + 2*z)*(3 - 5*y + 3*y^2 - 6*z + 5*y*z + 3*z^2))/ (y*(-1 + y + z)^2) + (-2*y^2 - 2*y^3 + 18*y^4 - 12*y^5 - 4*y*z - 38*y^2*z + 141*y^3*z - 162*y^4*z + 44*y^5*z - 2*z^2 - 136*y*z^2 + 500*y^2*z^2 - 602*y^3*z^2 + 218*y^4*z^2 - 68*z^3 + 585*y*z^3 - 970*y^2*z^3 + 449*y^3*z^3 + 208*z^4 - 722*y*z^4 + 486*y^2*z^4 - 204*z^5 + 277*y*z^5 + 66*z^6)/(2*y*(-1 + y + z)^2* (y + z)^2))*G[0, 0, z] + (Pi^2*(-1 + z)*(-1 + 2*y + z)* (y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)* G[0, 1, z])/(y^2*(-1 + y + z)^2) + (((2*I)*Pi*(-1 + 2*y + z)*(3*y - 3*y^2 + 6*z - 5*y*z + 2*y^2*z - 24*z^2 - y*z^2 + 3*y^2*z^2 + 30*z^3 + 3*y*z^3 - 12*z^4))/ (y*(-1 + z)*z*(-1 + y + z)) + (Pi^2*(y^2 - 3*y^3 + 3*y^4 - y^5 - 5*y^2*z + 12*y^3*z - 9*y^4*z + 2*y^5*z - z^2 + 3*y*z^2 + 4*y^2*z^2 - 12*y^3*z^2 + 6*y^4*z^2 + 3*z^3 - 6*y*z^3 - 6*y^2*z^3 + 6*y^3*z^3 - 3*z^4 + 3*y*z^4 + 6*y^2*z^4 + z^5))/ (2*y*z^2*(-1 + y + z)^2) + ((-1 + 2*y + z)*(16*y^3 - 48*y^4 + 48*y^5 - 16*y^6 + 6*y*z - 94*y^2*z + 112*y^3*z + 56*y^4*z - 96*y^5*z + 16*y^6*z + 4*z^2 - 135*y*z^2 + 487*y^2*z^2 - 444*y^3*z^2 + 38*y^4*z^2 + 48*y^5*z^2 - 26*z^3 + 653*y*z^3 - 978*y^2*z^3 + 304*y^3*z^3 + 46*y^4*z^3 + 52*z^4 - 1193*y*z^4 + 855*y^2*z^4 + 12*y^3*z^4 - 42*z^5 + 937*y*z^5 - 270*y^2*z^5 + 12*z^6 - 268*y*z^6))/(4*y^2*(-1 + z)*z^2*(-1 + y + z)^2))* G[0, 1 - y, z] + (-((Pi^2*(-1 + z)*z*(-1 + y + z))/y^2) + ((2*I)*Pi*(-1 + z)*z*(6 - 15*y + 10*y^2 - 12*z + 15*y*z + 6*z^2))/ (y*(-1 + y + z)^2) + ((-1 + z)*(-y + y^2 + 2*z - 2*y*z + 3*y^2*z + 2*z^2 - 14*y*z^2 + 17*y^2*z^2 - 22*z^3 + 186*y*z^3 - 373*y^2*z^3 + 240*y^3*z^3 + 30*z^4 - 305*y*z^4 + 340*y^2*z^4 - 12*z^5 + 136*y*z^5))/(4*y^2*z^2*(-1 + y + z)^2))*G[1, 0, z] - (2*Pi^2*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 3*z + 11*y*z - 12*y^2*z + 5*y^3*z + 9*z^2 - 19*y*z^2 + 9*y^2*z^2 - 9*z^3 + 9*y*z^3 + 3*z^4)* G[1, 1, z])/(y^2*(-1 + y + z)^2) + (Pi^2*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 4*z + 14*y*z - 15*y^2*z + 6*y^3*z + 12*z^2 - 25*y*z^2 + 12*y^2*z^2 - 12*z^3 + 12*y*z^3 + 4*z^4)*G[1, 1 - y, z])/(y^2*(-1 + y + z)^2) + (-1/2*(Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (y^2*z^2) + (I*Pi*(-6*y^4 + 18*y^5 - 12*y^6 - 15*y^3*z + 70*y^4*z - 90*y^5*z + 24*y^6*z + 17*y^2*z^2 + 24*y^3*z^2 - 164*y^4*z^2 + 102*y^5*z^2 + 22*y*z^3 - 114*y^2*z^3 - 12*y^3*z^3 + 132*y^4*z^3 + 12*z^4 - 134*y*z^4 + 228*y^2*z^4 - 48*z^5 + 214*y*z^5 - 132*y^2*z^5 + 60*z^6 - 102*y*z^6 - 24*z^7))/(y*z*(-1 + y + z)*(y + z)^3) + (-y^4 - y^5 + 11*y^6 - 15*y^7 + 6*y^8 - y^3*z - 8*y^4*z + 121*y^5*z - 336*y^6*z + 348*y^7*z - 124*y^8*z + 3*y^2*z^2 - 18*y^3*z^2 + 230*y^4*z^2 - 965*y^5*z^2 + 1636*y^6*z^2 - 1078*y^7*z^2 + 188*y^8*z^2 + 5*y*z^3 - 16*y^2*z^3 - 108*y^3*z^3 - 76*y^4*z^3 + 1736*y^5*z^3 - 2636*y^6*z^3 + 962*y^7*z^3 + 2*z^4 - 5*y*z^4 - 372*y^2*z^4 + 2182*y^3*z^4 - 2525*y^4*z^4 - 1119*y^5*z^4 + 1638*y^6*z^4 - 216*y*z^5 + 2470*y^2*z^5 - 6775*y^3*z^5 + 4520*y^4*z^5 + 408*y^5*z^5 - 24*z^6 + 908*y*z^6 - 5207*y^2*z^6 + 7492*y^3*z^6 - 2072*y^4*z^6 + 52*z^7 - 1441*y*z^7 + 4540*y^2*z^7 - 2766*y^3*z^7 - 42*z^8 + 1017*y*z^8 - 1418*y^2*z^8 + 12*z^9 - 268*y*z^9)/(4*y^2*z^2*(-1 + y + z)^2*(y + z)^3))* G[1 - y, 0, z] - (Pi^2*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z - 5*y*z^2 + 15*y^2*z^2 - 7*y^3*z^2 - 9*y^4*z^2 + 6*y^5*z^2 - 14*z^3 + 57*y*z^3 - 72*y^2*z^3 + 21*y^3*z^3 + 6*y^4*z^3 + 56*z^4 - 141*y*z^4 + 99*y^2*z^4 - 10*y^3*z^4 - 84*z^5 + 131*y*z^5 - 42*y^2*z^5 + 56*z^6 - 42*y*z^6 - 14*z^7)*G[1 - y, 1, z])/(2*y^2*z^2*(-1 + y + z)^2) + (-1/2*(-4*y + 6*y^2 - 17*y^3 + 16*y^4 - 8*z - 28*y*z + 86*y^2*z + 13*y^3*z - 52*z^2 + 108*y*z^2 - 42*y^2*z^2 + 126*z^3 - 73*y*z^3 - 66*z^4)/(y*z^2) + (Pi^2*(-1 + y + z)* (-3*y^3 + 6*y^3*z + 3*y*z^2 + 10*z^3 - 10*z^4))/(2*y^2*z^2) + (I*Pi*(y^2 - y^3 + 4*y*z - 13*y^2*z + 2*y^3*z + 12*z^2 - 14*y*z^2 + 6*y^2*z^2 - 24*z^3 + 10*y*z^3 + 12*z^4))/(y*z^2))* G[1 - y, 1 - y, z] + ((Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 4*z^3 - 4*z^4))/(2*y^2*z^2) + (I*Pi*(y^2 - y^3 - 5*y^2*z + 2*y^3*z + 12*z^2 - 6*y*z^2 - 4*y^2*z^2 - 24*z^3 + 6*y*z^3 + 12*z^4))/(y*z^2) + (-2*y^2 + 28*y^3 - 66*y^4 + 57*y^5 - 17*y^6 - 6*y*z + 30*y^2*z - 176*y^3*z + 296*y^4*z - 167*y^5*z + 20*y^6*z - 4*z^2 + 159*y*z^2 - 435*y^2*z^2 + 588*y^3*z^2 - 342*y^4*z^2 + 32*y^5*z^2 + 26*z^3 - 609*y*z^3 + 1204*y^2*z^3 - 804*y^3*z^3 + 112*y^4*z^3 - 52*z^4 + 897*y*z^4 - 1177*y^2*z^4 + 344*y^3*z^4 + 42*z^5 - 577*y*z^5 + 380*y^2*z^5 - 12*z^6 + 136*y*z^6)/(4*y^2*z^2*(-1 + y + z)^2))*G[-y, 1 - y, z] - (z*(-18 + 41*y - 33*y^2 + 7*y^3 + 54*z - 82*y*z + 33*y^2*z - 54*z^2 + 41*y*z^2 + 18*z^3)*G[0, 0, 0, z])/(y*(-1 + y + z)^2) + (((-6*I)*Pi*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3))/(y^2*(-1 + y + z)^2) + ((-1 + 2*y + z)*(-14*y^2 + 28*y^3 - 14*y^4 - 49*y*z + 81*y^2*z - 36*y^3*z + 4*y^4*z - 20*z^2 + 237*y*z^2 - 196*y^2*z^2 - 20*y^3*z^2 + 14*y^4*z^2 + 80*z^3 - 417*y*z^3 + 205*y^2*z^3 + 28*y^3*z^3 - 120*z^4 + 319*y*z^4 - 76*y^2*z^4 + 80*z^5 - 90*y*z^5 - 20*z^6))/(2*y^2*(-1 + z)*z*(-1 + y + z)^2))* G[0, 0, 1 - y, z] - ((1 - 3*y + 3*y^2 - 4*z + 9*y*z - 6*y^2*z + 5*z^2 - 18*y*z^2 + 30*y^2*z^2 - 20*y^3*z^2 - 2*z^3 + 36*y*z^3 - 60*y^2*z^3 + 20*y^3*z^3 - 36*y*z^4 + 30*y^2*z^4 + 12*y*z^5)* G[0, 1, 0, z])/(y^2*z*(-1 + y + z)^2) + (((-12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - (-2*y^3 + 6*y^4 + 6*y^5 - 52*y^6 + 72*y^7 - 30*y^8 - 6*y^2*z + 26*y^3*z - 4*y^4*z - 188*y^5*z + 421*y^6*z - 309*y^7*z + 60*y^8*z - 6*y*z^2 + 42*y^2*z^2 - 72*y^3*z^2 - 142*y^4*z^2 + 755*y^5*z^2 - 922*y^6*z^2 + 316*y^7*z^2 - 2*z^3 + 30*y*z^3 - 14*y^2*z^3 - 112*y^3*z^3 + 546*y^4*z^3 - 1103*y^5*z^3 + 624*y^6*z^3 + 8*z^4 + 44*y*z^4 - 330*y^2*z^4 + 342*y^3*z^4 - 442*y^4*z^4 + 518*y^5*z^4 + 28*z^5 - 344*y*z^5 + 545*y^2*z^5 - 7*y^3*z^5 + 74*y^4*z^5 - 120*z^6 + 495*y*z^6 - 218*y^2*z^6 - 108*y^3*z^6 + 152*z^7 - 277*y*z^7 + 8*y^2*z^7 - 84*z^8 + 58*y*z^8 + 18*z^9)/(2*y^2*z*(-1 + y + z)^2*(y + z)^3))* G[0, 1 - y, 0, z] + (((-6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/ y^2 + (y^3 - 2*y^4 + y^5 + 12*y^2*z - 43*y^3*z + 34*y^4*z - 3*y^5*z + 51*y*z^2 - 144*y^2*z^2 + 106*y^3*z^2 - 24*y^4*z^2 + 2*y^5*z^2 + 20*z^3 - 273*y*z^3 + 412*y^2*z^3 - 52*y^3*z^3 - 24*y^4*z^3 - 76*z^4 + 508*y*z^4 - 442*y^2*z^4 - 12*y^3*z^4 + 110*z^5 - 404*y*z^5 + 162*y^2*z^5 - 72*z^6 + 118*y*z^6 + 18*z^7)/ (2*y^2*(-1 + z)*z^2*(-1 + y + z)))*G[0, 1 - y, 1 - y, z] + (((-6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/y^2 + (y^3 - 3*y^4 + 3*y^5 - y^6 - 9*y^3*z + 16*y^4*z - 11*y^5*z + 2*y^6*z + 25*y*z^2 - 85*y^2*z^2 + 106*y^3*z^2 - 44*y^4*z^2 + 20*z^3 - 171*y*z^3 + 330*y^2*z^3 - 202*y^3*z^3 + 20*y^4*z^3 - 80*z^4 + 360*y*z^4 - 396*y^2*z^4 + 102*y^3*z^4 + 120*z^5 - 308*y*z^5 + 154*y^2*z^5 - 80*z^6 + 94*y*z^6 + 20*z^7)/ (2*y^2*z^2*(-1 + y + z)^2))*G[0, -y, 1 - y, z] + (((12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((-1 + z)*(1 - 3*y + 3*y^2 - 3*z + 6*y*z - 3*y^2*z + 12*z^2 - 23*y*z^2 + 9*y^2*z^2 + 2*y^3*z^2 - 28*z^3 + 40*y*z^3 - 9*y^2*z^3 + 27*z^4 - 20*y*z^4 - 9*z^5))/(y^2*z*(-1 + y + z)^2))* G[1, 0, 0, z] + (((-6*I)*Pi*(-1 + z)*(-1 + 2*y + z)* (y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3))/ (y^2*(-1 + y + z)^2) + ((-1 + 2*y + z)*(-3*y + 5*y^2 - 4*y^3 + 2*y^4 - 8*z + 11*y*z - 10*y^2*z + 2*y^4*z + 20*z^2 - 4*y*z^2 - 2*y^2*z^2 - 4*y^3*z^2 + 4*y^4*z^2 - 18*z^3 + 40*y*z^3 - 42*y^2*z^3 - 8*y^3*z^3 + 8*y^4*z^3 + 32*z^4 - 161*y*z^4 + 105*y^2*z^4 + 16*y^3*z^4 - 68*z^5 + 181*y*z^5 - 56*y^2*z^5 + 60*z^6 - 64*y*z^6 - 18*z^7))/(2*y^2*(-1 + z)*z^2* (-1 + y + z)^2))*G[1, 0, 1 - y, z] + (((12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + ((-1 + z)*z*(-10 + 41*y - 57*y^2 + 28*y^3 + 30*z - 82*y*z + 57*y^2*z - 30*z^2 + 41*y*z^2 + 10*z^3))/(y^2*(-1 + y + z)^2))* G[1, 1, 0, z] + (((-12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - ((-1 + z)*(y - 3*y^2 - 7*y^3 + 15*y^4 - 6*y^5 - 2*y*z - 7*y^2*z + 38*y^3*z - 45*y^4*z + 12*y^5*z + 25*y^2*z^2 - 55*y^3*z^2 + 30*y^4*z^2 - 20*z^3 + 60*y*z^3 - 71*y^2*z^3 + 40*y^3*z^3 + 60*z^4 - 117*y*z^4 + 56*y^2*z^4 - 60*z^5 + 58*y*z^5 + 20*z^6))/ (2*y^2*z^2*(-1 + y + z)^2))*G[1, 1 - y, 0, z] + (((-12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 - (y^3 - 3*y^4 + 9*y^5 - 25*y^6 + 30*y^7 - 12*y^8 + 3*y^2*z - 13*y^3*z + 33*y^4*z - 100*y^5*z + 179*y^6*z - 126*y^7*z + 24*y^8*z + 3*y*z^2 - 21*y^2*z^2 + 34*y^3*z^2 - 72*y^4*z^2 + 273*y^5*z^2 - 351*y^6*z^2 + 124*y^7*z^2 + z^3 - 15*y*z^3 + 53*y^2*z^3 + 7*y^3*z^3 + 24*y^4*z^3 - 311*y^5*z^3 + 223*y^6*z^3 - 4*z^4 + 42*y*z^4 - 45*y^2*z^4 - 195*y^3*z^4 + 117*y^4*z^4 + 120*y^5*z^4 + 15*z^5 - 89*y*z^5 - 30*y^2*z^5 + 309*y^3*z^5 - 102*y^4*z^5 - 40*z^6 + 120*y*z^6 + 70*y^2*z^6 - 143*y^3*z^6 + 55*z^7 - 84*y*z^7 - 30*y^2*z^7 - 36*z^8 + 23*y*z^8 + 9*z^9)/(y^2*z*(-1 + y + z)^2*(y + z)^3))* G[1 - y, 0, 0, z] + (((-6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/ y^2 - (-4*y + 10*y^2 - 6*y^3 - 2*y^4 + 2*y^5 - 10*z + 26*y*z - 32*y^2*z + 34*y^3*z - 12*y^4*z - 6*y^5*z + 28*z^2 - 78*y*z^2 + 134*y^2*z^2 - 62*y^3*z^2 - 6*y^4*z^2 + 4*y^5*z^2 - 28*z^3 + 222*y*z^3 - 360*y^2*z^3 + 36*y^4*z^3 + 36*z^4 - 403*y*z^4 + 394*y^2*z^4 + 34*y^3*z^4 - 68*z^5 + 343*y*z^5 - 146*y^2*z^5 + 60*z^6 - 106*y*z^6 - 18*z^7)/(2*y^2*(-1 + z)*z^2*(-1 + y + z)))* G[1 - y, 0, 1 - y, z] + (((-12*I)*Pi*(-1 + z)*z*(-1 + y + z))/y^2 + (-y + 3*y^2 - 2*y^3 + 3*y*z - 6*y^2*z + 2*y^3*z - 4*y*z^2 + 6*y^2*z^2 - 2*y^3*z^2 - 20*z^3 + 50*y*z^3 - 30*y^2*z^3 - 4*y^3*z^3 + 2*y^4*z^3 + 80*z^4 - 141*y*z^4 + 51*y^2*z^4 + 6*y^3*z^4 - 120*z^5 + 139*y*z^5 - 24*y^2*z^5 + 80*z^6 - 46*y*z^6 - 20*z^7)/(2*y^2*z^2*(-1 + y + z)^2))* G[1 - y, 1, 0, z] + (((-6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/(y^2*z^2) + (7*y^6 - 14*y^7 + 7*y^8 - 3*y^5*z + 10*y^6*z - 7*y^7*z - 50*y^4*z^2 + 168*y^5*z^2 - 192*y^6*z^2 + 50*y^7*z^2 - 56*y^3*z^3 + 244*y^4*z^3 - 436*y^5*z^3 + 214*y^6*z^3 - 62*y^2*z^4 + 148*y^3*z^4 - 301*y^4*z^4 + 298*y^5*z^4 - 50*y*z^5 + 138*y^2*z^5 - 15*y^3*z^5 + 100*y^4*z^5 - 20*z^6 + 150*y*z^6 - 62*y^2*z^6 - 78*y^3*z^6 + 60*z^7 - 150*y*z^7 - 14*y^2*z^7 - 60*z^8 + 50*y*z^8 + 20*z^9)/ (2*y^2*z^2*(-1 + y + z)*(y + z)^3))*G[1 - y, 1 - y, 0, z] - ((3*y^2 - 3*y^3 + 8*y*z - 31*y^2*z + 6*y^3*z + 36*z^2 - 34*y*z^2 + 10*y^2*z^2 - 72*z^3 + 26*y*z^3 + 36*z^4)*G[1 - y, 1 - y, 1 - y, z])/(2*y*z^2) - ((-y + 2*y^2 - 2*y^3 + 4*y^4 - 2*y^5 - 2*z + 6*y*z - 4*y^2*z + 12*y^3*z - 16*y^4*z + 4*y^5*z + 6*z^2 - 32*y*z^2 + 36*y^2*z^2 - 14*y^3*z^2 - 4*y^4*z^2 - 4*z^3 + 72*y*z^3 - 72*y^2*z^3 + 4*y^3*z^3 - 72*y*z^4 + 36*y^2*z^4 + 24*y*z^5)*G[1 - y, -y, 1 - y, z])/(2*y^2*z^2*(-1 + y + z)) + (((-6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/y^2 - (-6*y^4 + 8*y^5 - 2*y^6 - 22*y^3*z + 30*y^4*z - 16*y^5*z + 4*y^6*z - 15*y*z^2 + 53*y^2*z^2 - 36*y^3*z^2 - 16*y^4*z^2 + 18*y^5*z^2 - 20*z^3 + 125*y*z^3 - 226*y^2*z^3 + 120*y^3*z^3 + 14*y^4*z^3 + 80*z^4 - 288*y*z^4 + 302*y^2*z^4 - 64*y^3*z^4 - 120*z^5 + 260*y*z^5 - 126*y^2*z^5 + 80*z^6 - 82*y*z^6 - 20*z^7)/ (2*y^2*z^2*(-1 + y + z)^2))*G[-y, 0, 1 - y, z] + (((-6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (y^2*z^2) + (-16*y^6 + 34*y^7 - 24*y^8 + 6*y^9 - 16*y^5*z + 48*y^6*z - 48*y^7*z + 12*y^8*z + 2*y^9*z + 38*y^4*z^2 - 174*y^5*z^2 + 239*y^6*z^2 - 145*y^7*z^2 + 38*y^8*z^2 - 16*y^3*z^3 - 230*y^4*z^3 + 697*y^5*z^3 - 594*y^6*z^3 + 168*y^7*z^3 + 40*y^2*z^4 - 148*y^3*z^4 + 672*y^4*z^4 - 861*y^5*z^4 + 316*y^6*z^4 + 68*y*z^5 - 302*y^2*z^5 + 496*y^3*z^5 - 596*y^4*z^5 + 284*y^5*z^5 + 38*z^6 - 320*y*z^6 + 601*y^2*z^6 - 387*y^3*z^6 + 136*y^4*z^6 - 124*z^7 + 495*y*z^7 - 450*y^2*z^7 + 104*y^3*z^7 + 152*z^8 - 325*y*z^8 + 132*y^2*z^8 - 84*z^9 + 82*y*z^9 + 18*z^10)/(2*y^2*z^2*(-1 + y + z)^2* (y + z)^3))*G[-y, 1 - y, 0, z] + (((6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/y^2 + (y^3 - 2*y^3*z + 2*y^4*z + 27*y*z^2 - 64*y^2*z^2 + 30*y^3*z^2 + 8*y^4*z^2 + 20*z^3 - 126*y*z^3 + 140*y^2*z^3 - 18*y^3*z^3 - 56*z^4 + 166*y*z^4 - 78*y^2*z^4 + 54*z^5 - 70*y*z^5 - 18*z^6)/ (2*y^2*z^2*(-1 + y + z)))*G[-y, 1 - y, 1 - y, z] + (((6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/y^2 + (2*y^3 - 2*y^4 - 10*y^3*z + 4*y^4*z + 9*y*z^2 + 19*y^2*z^2 - 6*y^3*z^2 - 20*z^3 + 9*y*z^3 - 8*y^2*z^3 + 40*z^4 - 18*y*z^4 - 20*z^5)/(2*y^2*z^2))*G[-y, -y, 1 - y, z] - (9*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)*G[0, 0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (18*(-1 + z)*z*(-1 + y + z)* G[0, 0, 1 - y, 0, z])/y^2 - (3*(-3*y + 9*y^2 - 7*y^3 + y^4 - 6*z + 27*y*z - 36*y^2*z + 17*y^3*z + 24*z^2 - 63*y*z^2 + 45*y^2*z^2 - 10*y^3*z^2 - 36*z^3 + 57*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)*G[0, 0, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[0, 0, -y, 1 - y, z])/y^2 - (12*(-1 + z)*z*(-1 + y + z)*G[0, 1, 0, 0, z])/y^2 + (6*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)*G[0, 1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (12*(-1 + z)*z*(-1 + y + z)* G[0, 1, 1, 0, z])/y^2 + (12*(-1 + z)*z*(-1 + y + z)* G[0, 1, 1 - y, 0, z])/y^2 + (24*(-1 + z)*z*(-1 + y + z)* G[0, 1 - y, 0, 0, z])/y^2 + (3*(2*y - 6*y^2 + 3*y^3 + y^4 + 4*z - 18*y*z + 24*y^2*z - 13*y^3*z - 16*z^2 + 42*y*z^2 - 30*y^2*z^2 + 10*y^3*z^2 + 24*z^3 - 38*y*z^3 + 12*y^2*z^3 - 16*z^4 + 12*y*z^4 + 4*z^5)*G[0, 1 - y, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) + (12*(-1 + z)*z*(-1 + y + z)*G[0, 1 - y, 1, 0, z])/y^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 6*z^3 + 6*z^4)*G[0, 1 - y, 1 - y, 0, z])/(y^2*z^2) + (9*(-1 + y + z)*(y + 2*z - 2*z^2)* G[0, 1 - y, 1 - y, 1 - y, z])/y^2 + (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[0, 1 - y, -y, 1 - y, z])/y^2 + (3*y*(-1 + y - z + 2*z^2)*G[0, -y, 0, 1 - y, z])/(-1 + y + z)^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 10*z^3 + 10*z^4)* G[0, -y, 1 - y, 0, z])/(y^2*z^2) + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[0, -y, 1 - y, 1 - y, z])/y^2 - (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[0, -y, -y, 1 - y, z])/y^2 - (18*(-1 + z)*z*(-1 + y + z)*G[1, 0, 0, 0, z])/y^2 - (3*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)*G[1, 0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) - (12*(-1 + z)*z*(-1 + y + z)* G[1, 0, 1, 0, z])/y^2 + (24*(-1 + z)*z*(-1 + y + z)* G[1, 0, 1 - y, 0, z])/y^2 + (6*(-1 + z)*(-1 + 2*y + z)* (y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)* G[1, 0, 1 - y, 1 - y, z])/(y^2*(-1 + y + z)^2) - (12*(-1 + z)*z*(-1 + y + z)*G[1, 1, 0, 0, z])/y^2 - (12*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)*G[1, 1, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (6*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1, 0, z])/ y^2 + (6*(-1 + z)*z*(-1 + y + z)*G[1, 1, 1 - y, 0, z])/y^2 + (24*(-1 + z)*z*(-1 + y + z)*G[1, 1 - y, 0, 0, z])/y^2 + (6*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)*G[1, 1 - y, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (12*(-1 + z)*z*(-1 + y + z)* G[1, 1 - y, 1, 0, z])/y^2 - (24*(-1 + z)*z*(-1 + y + z)* G[1, 1 - y, 1 - y, 0, z])/y^2 + (18*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 0, 0, z])/y^2 - (3*(-3*y + 9*y^2 - 10*y^3 + 4*y^4 - 6*z + 27*y*z - 36*y^2*z + 14*y^3*z + 24*z^2 - 63*y*z^2 + 45*y^2*z^2 - 4*y^3*z^2 - 36*z^3 + 57*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)*G[1 - y, 0, 0, 1 - y, z])/ (y^2*(-1 + y + z)^2) + (12*(-1 + z)*z*(-1 + y + z)* G[1 - y, 0, 1, 0, z])/y^2 + (3*(-1 + y + z)*(-3*y^3 + 6*y^3*z + 4*z^3 - 4*z^4)*G[1 - y, 0, 1 - y, 0, z])/(y^2*z^2) + (12*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1 - y, 0, 1 - y, 1 - y, z])/ y^2 + (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1 - y, 0, -y, 1 - y, z])/ y^2 + (6*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, 0, 0, z])/y^2 - (3*(-5*y + 15*y^2 - 16*y^3 + 6*y^4 - 10*z + 45*y*z - 60*y^2*z + 24*y^3*z + 40*z^2 - 105*y*z^2 + 75*y^2*z^2 - 8*y^3*z^2 - 60*z^3 + 95*y*z^3 - 30*y^2*z^3 + 40*z^4 - 30*y*z^4 - 10*z^5)* G[1 - y, 1, 0, 1 - y, z])/(y^2*(-1 + y + z)^2) - (12*(-1 + z)*z*(-1 + y + z)*G[1 - y, 1, 1, 0, z])/y^2 + (3*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, 1, 1 - y, 0, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 3*z^3 - 3*z^4)*G[1 - y, 1 - y, 0, 0, z])/(y^2*z^2) + (9*(-1 + y + z)*(y + 2*z - 2*z^2)* G[1 - y, 1 - y, 0, 1 - y, z])/y^2 - (6*(-1 + z)*z*(-1 + y + z)* G[1 - y, 1 - y, 1, 0, z])/y^2 - (9*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[1 - y, 1 - y, 1 - y, 0, z])/(y^2*z^2) + (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1 - y, -y, 0, 1 - y, z])/y^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[1 - y, -y, 1 - y, 0, z])/(y^2*z^2) - (6*(-1 + y + z)*(y + 2*z - 2*z^2)* G[1 - y, -y, 1 - y, 1 - y, z])/y^2 - (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1 - y, -y, -y, 1 - y, z])/y^2 - (12*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, 0, 0, 1 - y, z])/y^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[-y, 0, 1 - y, 0, z])/(y^2*z^2) + (12*(-1 + y + z)*(y + 2*z - 2*z^2)* G[-y, 0, 1 - y, 1 - y, z])/y^2 + (6*(-1 + y + z)*(y + 2*z - 2*z^2)* G[-y, 0, -y, 1 - y, z])/y^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[-y, 1 - y, 0, 0, z])/(y^2*z^2) + (12*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, 1 - y, 0, 1 - y, z])/y^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)*G[-y, 1 - y, 1 - y, 0, z])/(y^2*z^2) - (9*(-1 + y + z)*(y + 2*z - 2*z^2)* G[-y, 1 - y, 1 - y, 1 - y, z])/y^2 - (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, 1 - y, -y, 1 - y, z])/y^2 + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, -y, 0, 1 - y, z])/y^2 - (12*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4)* G[-y, -y, 1 - y, 0, z])/(y^2*z^2) - (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, -y, 1 - y, 1 - y, z])/y^2 + (3*(-1 + y + z)*(y + 2*z - 2*z^2)*G[-y, -y, -y, 1 - y, z])/y^2 + (((-18*I)*Pi*y*(-1 + y - z + 2*z^2))/(-1 + y + z)^2 + (-36*y^2 + 180*y^3 - 360*y^4 + 360*y^5 - 180*y^6 + 36*y^7 - 26*y*z + 617*y^2*z - 1872*y^3*z + 2498*y^4*z - 1826*y^5*z + 717*y^6*z - 108*y^7*z + 108*z^2 - 522*y*z^2 - 200*y^2*z^2 + 2545*y^3*z^2 - 4031*y^4*z^2 + 3053*y^5*z^2 - 1081*y^6*z^2 + 128*y^7*z^2 - 432*z^3 + 2046*y*z^3 - 2783*y^2*z^3 + 929*y^3*z^3 + 1419*y^4*z^3 - 1459*y^5*z^3 + 376*y^6*z^3 + 648*z^4 - 2746*y*z^4 + 4202*y^2*z^4 - 2934*y^3*z^4 + 694*y^4*z^4 + 40*y^5*z^4 - 432*z^5 + 1572*y*z^5 - 2124*y^2*z^5 + 1260*y^3*z^5 - 276*y^4*z^5 + 108*z^6 - 324*y*z^6 + 324*y^2*z^6 - 108*y^3*z^6)/(2*(-1 + y)^3*y*(-1 + z)*z*(-1 + y + z)^2))* Zeta[3] + G[1, z]*(((-I)*Pi^3*(-1 + z)*(-1 + 2*y + z)* (y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3))/ (y^2*(-1 + y + z)^2) + (Pi^2*(4*y - 14*y^2 + 7*y^3 + 5*y^4 - 2*y^5 + 8*z - 34*y*z + 36*y^2*z + 28*y^3*z - 75*y^4*z + 28*y^5*z - 28*z^2 + 60*y*z^2 + 20*y^2*z^2 - 138*y^3*z^2 + 125*y^4*z^2 - 22*y^5*z^2 + 38*z^3 - 104*y*z^3 + 106*y^2*z^3 + 52*y^3*z^3 - 125*y^4*z^3 + 28*y^5*z^3 - 50*z^4 + 356*y*z^4 - 588*y^2*z^4 + 163*y^3*z^4 + 70*y^4*z^4 + 100*z^5 - 618*y*z^5 + 682*y^2*z^5 - 112*y^3*z^5 - 128*z^6 + 460*y*z^6 - 242*y^2*z^6 + 78*z^7 - 124*y*z^7 - 18*z^8))/(12*y^2*(-1 + z)*z^2* (-1 + y + z)^2) - (3*(-1 + z)*(-7*y + 21*y^2 - 14*y^3 - 18*z + 68*y*z - 75*y^2*z + 32*y^3*z + 54*z^2 - 115*y*z^2 + 54*y^2*z^2 - 54*z^3 + 54*y*z^3 + 18*z^4)*Zeta[3])/ (y^2*(-1 + y + z)^2)) + G[1 - y, z]* (((2*I)*Pi*(-1 + 2*y + z)*(-2*y + 2*y^2 + 7*z + 2*y*z - 6*z^2))/ z^2 + (I*Pi^3*(-1 + y + z)*(y + z)*(-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3))/(y^2*z^2) + ((-1 + 2*y + z)*(-3*y + 39*y^2 - 72*y^3 + 36*y^4 + 6*z - 142*y*z + 73*y^2*z + 72*y^3*z - 18*z^2 + 295*y*z^2 - 114*y^2*z^2 + 12*z^3 - 150*y*z^3))/(4*y*z^2*(-1 + y + z)) - (Pi^2*(4*y^4 - 14*y^5 + 21*y^6 - 19*y^7 + 11*y^8 - 3*y^9 + 20*y^3*z - 76*y^4*z + 117*y^5*z - 113*y^6*z + 74*y^7*z - 17*y^8*z - 5*y^9*z + 36*y^2*z^2 - 172*y^3*z^2 + 300*y^4*z^2 - 346*y^5*z^2 + 262*y^6*z^2 - 40*y^7*z^2 - 48*y^8*z^2 + 8*y^9*z^2 + 28*y*z^3 - 200*y^2*z^3 + 472*y^3*z^3 - 788*y^4*z^3 + 949*y^5*z^3 - 300*y^6*z^3 - 205*y^7*z^3 + 70*y^8*z^3 + 8*z^4 - 118*y*z^4 + 412*y^2*z^4 - 1122*y^3*z^4 + 2373*y^4*z^4 - 1779*y^5*z^4 - 86*y^6*z^4 + 238*y^7*z^4 - 28*z^5 + 198*y*z^5 - 870*y^2*z^5 + 3203*y^3*z^5 - 4435*y^4*z^5 + 1401*y^5*z^5 + 264*y^6*z^5 + 38*z^6 - 350*y*z^6 + 2280*y^2*z^6 - 5456*y^3*z^6 + 3768*y^4*z^6 - 312*y^5*z^6 - 50*z^7 + 800*y*z^7 - 3496*y^2*z^7 + 4323*y^3*z^7 - 1146*y^4*z^7 + 100*z^8 - 1098*y*z^8 + 2520*y^2*z^8 - 1268*y^3*z^8 - 128*z^9 + 718*y*z^9 - 682*y^2*z^9 + 78*z^10 - 178*y*z^10 - 18*z^11))/ (12*y^2*(-1 + z)*z^2*(-1 + y + z)^2*(y + z)^3) - (3*(6*y^3 - 18*y^4 + 18*y^5 - 6*y^6 - 30*y^3*z + 72*y^4*z - 54*y^5*z + 12*y^6*z - 7*y*z^2 + 21*y^2*z^2 + 30*y^3*z^2 - 80*y^4*z^2 + 36*y^5*z^2 - 18*z^3 + 75*y*z^3 - 96*y^2*z^3 - 6*y^3*z^3 + 36*y^4*z^3 + 72*z^4 - 183*y*z^4 + 129*y^2*z^4 - 108*z^5 + 169*y*z^5 - 54*y^2*z^5 + 72*z^6 - 54*y*z^6 - 18*z^7)* Zeta[3])/(y^2*z^2*(-1 + y + z)^2))) + G[1, y]*((Pi^4*(-51*y + 153*y^2 - 129*y^3 + 27*y^4 - 164*z + 645*y*z - 798*y^2*z + 471*y^3*z + 656*z^2 - 1629*y*z^2 + 1137*y^2*z^2 - 342*y^3*z^2 - 984*z^3 + 1527*y*z^3 - 492*y^2*z^3 + 656*z^4 - 492*y*z^4 - 164*z^5))/(120*y^2*(-1 + y + z)^2) + (((4*I)/9)*Pi*(-9*y^3 + 36*y^4 - 45*y^5 + 18*y^6 + 28*y^2*z - 4*y^3*z - 78*y^4*z + 54*y^5*z + 45*y*z^2 - 32*y^2*z^2 - 106*y^3*z^2 + 75*y^4*z^2 - 9*z^3 + 9*y*z^3 - 93*y^2*z^3 + 57*y^3*z^3 + 18*z^4 - 63*y*z^4 + 27*y^2*z^4 - 9*z^5 + 9*y*z^5))/ ((-1 + y)*y*z*(y + z)^2) + (-351*y^3 + 1404*y^4 - 1755*y^5 + 702*y^6 + 976*y^2*z + 497*y^3*z - 3633*y^4*z + 2160*y^5*z + 1350*y*z^2 - 317*y^2*z^2 - 4870*y^3*z^2 + 3027*y^4*z^2 - 351*z^3 + 918*y*z^3 - 4512*y^2*z^3 + 2325*y^3*z^3 + 702*z^4 - 2619*y*z^4 + 1107*y^2*z^4 - 351*z^5 + 351*y*z^5)/(27*(-1 + y)*y*z*(y + z)^2) + (Pi^2*(24*y^4 + 102*y^5 - 858*y^6 + 1926*y^7 - 2004*y^8 + 1002*y^9 - 186*y^10 - 6*y^11 + 108*y^3*z - 50*y^4*z - 2690*y^5*z + 10372*y^6*z - 17956*y^7*z + 17600*y^8*z - 10408*y^9*z + 3606*y^10*z - 582*y^11*z + 180*y^2*z^2 - 1814*y^3*z^2 + 4382*y^4*z^2 + 1806*y^5*z^2 - 24274*y^6*z^2 + 44800*y^7*z^2 - 39528*y^8*z^2 + 17724*y^9*z^2 - 3312*y^10*z^2 + 36*y^11*z^2 + 132*y*z^3 - 3015*y^2*z^3 + 17632*y^3*z^3 - 43141*y^4*z^3 + 45572*y^5*z^3 - 5462*y^6*z^3 - 29528*y^7*z^3 + 23008*y^8*z^3 - 5090*y^9*z^3 - 108*y^10*z^3 + 36*z^4 - 1821*y*z^4 + 18486*y^2*z^4 - 74190*y^3*z^4 + 147787*y^4*z^4 - 155982*y^5*z^4 + 86004*y^6*z^4 - 24820*y^7*z^4 + 6072*y^8*z^4 - 1572*y^9*z^4 - 324*z^5 + 7836*y*z^5 - 52131*y^2*z^5 + 155492*y^3*z^5 - 244467*y^4*z^5 + 214758*y^5*z^5 - 108290*y^6*z^5 + 32418*y^7*z^5 - 5148*y^8*z^5 + 1056*z^6 - 16152*y*z^6 + 77877*y^2*z^6 - 176116*y^3*z^6 + 211563*y^4*z^6 - 140022*y^5*z^6 + 50578*y^6*z^6 - 8496*y^7*z^6 - 1710*z^7 + 18060*y*z^7 - 64506*y^2*z^7 + 108444*y^3*z^7 - 93636*y^4*z^7 + 41418*y^5*z^7 - 8070*y^6*z^7 + 1494*z^8 - 11073*y*z^8 + 28683*y^2*z^8 - 33762*y^3*z^8 + 18780*y^4*z^8 - 4410*y^5*z^8 - 678*z^9 + 3396*y*z^9 - 5952*y^2*z^9 + 4332*y^3*z^9 - 1242*y^4*z^9 + 126*z^10 - 378*y*z^10 + 378*y^2*z^10 - 126*y^3*z^10))/(72*(-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)^2* (y + z)^3) - ((I/6)*Pi^3*(-6*y^5 + 30*y^6 - 60*y^7 + 60*y^8 - 30*y^9 + 6*y^10 - 17*y^4*z + 118*y^5*z - 320*y^6*z + 440*y^7*z - 325*y^8*z + 122*y^9*z - 18*y^10*z + 13*y^3*z^2 - 10*y^4*z^2 - 163*y^5*z^2 + 501*y^6*z^2 - 606*y^7*z^2 + 311*y^8*z^2 - 16*y^9*z^2 - 38*y^10*z^2 + 8*y^11*z^2 + 22*y^2*z^3 - 210*y^3*z^3 + 672*y^4*z^3 - 1022*y^5*z^3 + 833*y^6*z^3 - 508*y^7*z^3 + 401*y^8*z^3 - 238*y^9*z^3 + 50*y^10*z^3 + 16*y*z^4 - 232*y^2*z^4 + 1179*y^3*z^4 - 2903*y^4*z^4 + 3872*y^5*z^4 - 3031*y^6*z^4 + 1630*y^7*z^4 - 669*y^8*z^4 + 138*y^9*z^4 + 2*z^5 - 98*y*z^5 + 822*y^2*z^5 - 2910*y^3*z^5 + 5283*y^4*z^5 - 5216*y^5*z^5 + 2983*y^6*z^5 - 1104*y^7*z^5 + 222*y^8*z^5 - 10*z^6 + 238*y*z^6 - 1390*y^2*z^6 + 3595*y^3*z^6 - 4650*y^4*z^6 + 3113*y^5*z^6 - 1160*y^6*z^6 + 232*y^7*z^6 + 20*z^7 - 292*y*z^7 + 1234*y^2*z^7 - 2270*y^3*z^7 + 1924*y^4*z^7 - 780*y^5*z^7 + 164*y^6*z^7 - 20*z^8 + 188*y*z^8 - 564*y^2*z^8 + 671*y^3*z^8 - 319*y^4*z^8 + 76*y^5*z^8 + 10*z^9 - 58*y*z^9 + 114*y^2*z^9 - 70*y^3*z^9 + 20*y^4*z^9 - 2*z^10 + 6*y*z^10 - 6*y^2*z^10 + 2*y^3*z^10))/((-1 + y)^3*y^2*(-1 + z)*z* (-1 + y + z)^2*(y + z)^3) + (((-2*I)*Pi*(1 + y - z)*z*(1 - y + 3*y^2 - 2*z + y*z + z^2))/ (y^2*(-1 + y + z)) - (Pi^2*(-1 + z)*z*(2 - 6*y + 6*y^2 + y^3 - 6*z + 12*y*z - 6*y^2*z + 6*z^2 - 6*y*z^2 - 2*z^3))/ (y^2*(-1 + y + z)^2) - (-2 + 2*y + 20*y^2 - 50*y^3 + 42*y^4 - 12*y^5 + 21*z - 45*y*z - 3*y^2*z + 101*y^3*z - 118*y^4*z + 44*y^5*z - 43*z^2 + 74*y*z^2 + 49*y^2*z^2 - 82*y^3*z^2 + 2*y^4*z^2 + 31*z^3 - 45*y*z^3 - 35*y^2*z^3 + 17*y^3*z^3 - 7*z^4 + 14*y*z^4 - 7*y^2*z^4)/(2*(-1 + y)^2*y^2*(-1 + y + z)))* G[0, 0, z] + (Pi^2*(-1 + z)*(-1 + 2*y + z)*G[0, 1, z])/ (y*(-1 + y + z)) + (((-I)*Pi*(6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4))/(y^2*z) - (4*y + 19*y^2 - 80*y^3 + 87*y^4 - 30*y^5 + 8*z - 36*y*z - 34*y^2*z + 190*y^3*z - 174*y^4*z + 46*y^5*z + 5*z^2 - 49*y*z^2 + 166*y^2*z^2 - 171*y^3*z^2 + 49*y^4*z^2 - 36*z^3 + 130*y*z^3 - 184*y^2*z^3 + 58*y^3*z^3 + 23*z^4 - 46*y*z^4 + 23*y^2*z^4)/(2*(-1 + y)^2*y^2*z) + (Pi^2*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + y*z^2 - 3*y^2*z^2 + 12*y^3*z^2 - 16*y^4*z^2 + 6*y^5*z^2 - 2*z^3 + 3*y*z^3 - 4*y^3*z^3 + 6*y^4*z^3 + 8*z^4 - 15*y*z^4 + 9*y^2*z^4 - 4*y^3*z^4 - 12*z^5 + 17*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7))/(2*y^2*z^2* (-1 + y + z)^2))*G[0, 1 - y, z] + (((-I)*Pi*(-6*y^2 + 36*y^3 - 72*y^4 + 60*y^5 - 18*y^6 - 12*y*z + 58*y^2*z - 119*y^3*z + 138*y^4*z - 91*y^5*z + 26*y^6*z + 2*z^2 + 42*y*z^2 - 164*y^2*z^2 + 190*y^3*z^2 - 83*y^4*z^2 + 13*y^5*z^2 - 6*z^3 - 42*y*z^3 + 172*y^2*z^3 - 159*y^3*z^3 + 57*y^4*z^3 - 6*y^5*z^3 + 6*z^4 + 6*y*z^4 - 54*y^2*z^4 + 42*y^3*z^4 - 16*y^4*z^4 - 2*z^5 + 6*y*z^5 - 6*y^2*z^5 + 2*y^3*z^5))/((-1 + y)^3*y^2*(-1 + z)*z) - (Pi^2*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + y*z^2 - 3*y^2*z^2 + 11*y^3*z^2 - 15*y^4*z^2 + 6*y^5*z^2 + 12*z^3 - 39*y*z^3 + 42*y^2*z^3 - 25*y^3*z^3 + 6*y^4*z^3 - 48*z^4 + 111*y*z^4 - 75*y^2*z^4 + 18*y^3*z^4 + 72*z^5 - 109*y*z^5 + 36*y^2*z^5 - 48*z^6 + 36*y*z^6 + 12*z^7))/ (2*y^2*z^2*(-1 + y + z)^2) - (-16*y^3 + 112*y^4 - 320*y^5 + 480*y^6 - 400*y^7 + 176*y^8 - 32*y^9 - 6*y*z + 110*y^2*z - 548*y^3*z + 1088*y^4*z - 826*y^5*z - 126*y^6*z + 532*y^7*z - 256*y^8*z + 32*y^9*z + 131*y*z^2 - 997*y^2*z^2 + 3197*y^3*z^2 - 5243*y^4*z^2 + 4472*y^5*z^2 - 1724*y^6*z^2 + 84*y^7*z^2 + 80*y^8*z^2 - 20*z^3 - 519*y*z^3 + 3021*y^2*z^3 - 6517*y^3*z^3 + 7105*y^4*z^3 - 4060*y^5*z^3 + 1022*y^6*z^3 - 32*y^7*z^3 + 80*z^4 + 769*y*z^4 - 4033*y^2*z^4 + 6512*y^3*z^4 - 4734*y^4*z^4 + 1610*y^5*z^4 - 204*y^6*z^4 - 120*z^5 - 415*y*z^5 + 2387*y^2*z^5 - 3148*y^3*z^5 + 1668*y^4*z^5 - 324*y^5*z^5 + 80*z^6 - 20*y*z^6 - 428*y^2*z^6 + 500*y^3*z^6 - 180*y^4*z^6 - 20*z^7 + 60*y*z^7 - 60*y^2*z^7 + 20*y^3*z^7)/ (4*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)))*G[0, -y, z] + (((2*I)*Pi*(-1 + z)*z*(1 - 5*y + 10*y^2 - 2*z + 5*y*z + z^2))/ (y^2*(-1 + y + z)) + (2*Pi^2*(-1 + z)*z*(-2 + 6*y - 6*y^2 + 3*y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 2*z^3))/ (y^2*(-1 + y + z)^2) + ((-1 + z)*(y - y^2 - 2*z + 2*y*z - 3*y^2*z - 2*z^2 + 14*y*z^2 - 17*y^2*z^2 - 14*z^3 + 126*y*z^3 - 347*y^2*z^3 + 240*y^3*z^3 + 78*z^4 - 319*y*z^4 + 380*y^2*z^4 - 96*z^5 + 176*y*z^5 + 36*z^6))/(4*y^2*z^2*(-1 + y + z)^2))* G[1, 0, z] + (Pi^2*(-1 + z)*(-2*y + 6*y^2 - 4*y^3 - 5*z + 19*y*z - 21*y^2*z + 8*y^3*z + 15*z^2 - 32*y*z^2 + 15*y^2*z^2 - 15*z^3 + 15*y*z^3 + 5*z^4)*G[1, 1, z])/(y^2*(-1 + y + z)^2) - (Pi^2*(-1 + z)*(3*y - 6*y^2 + 14*z - 31*y*z + 14*y^2*z - 28*z^2 + 28*y*z^2 + 14*z^3)*G[1, 1 - y, z])/(2*y^2*(-1 + y + z)) + (((-I)*Pi*(6*y^2 - 6*y^3 - 3*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 - 3*y*z^2 + 10*y^2*z^2 - 4*z^3 + 6*y*z^3 + 2*z^4))/(y^2*z) - (4*y + 19*y^2 - 80*y^3 + 87*y^4 - 30*y^5 + 8*z - 36*y*z - 34*y^2*z + 190*y^3*z - 174*y^4*z + 46*y^5*z + 5*z^2 - 49*y*z^2 + 166*y^2*z^2 - 171*y^3*z^2 + 49*y^4*z^2 - 36*z^3 + 130*y*z^3 - 184*y^2*z^3 + 58*y^3*z^3 + 23*z^4 - 46*y*z^4 + 23*y^2*z^4)/ (2*(-1 + y)^2*y^2*z) - (Pi^2*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 9*y^3*z^2 - 15*y^4*z^2 + 6*y^5*z^2 + 2*z^3 - 6*y*z^3 + 6*y^2*z^3 - 8*y^3*z^3 + 6*y^4*z^3 - 8*z^4 + 18*y*z^4 - 12*y^2*z^4 + 3*y^3*z^4 + 12*z^5 - 18*y*z^5 + 6*y^2*z^5 - 8*z^6 + 6*y*z^6 + 2*z^7))/(y^2*z^2*(-1 + y + z)^2))*G[1 - y, 0, z] + (Pi^2*(-y^3 + 2*y^4 - y^5 + 4*y^3*z - 6*y^4*z + 2*y^5*z + 5*y*z^2 - 10*y^2*z^2 + y^3*z^2 + 4*y^4*z^2 + 10*z^3 - 30*y*z^3 + 20*y^2*z^3 + 2*y^3*z^3 - 30*z^4 + 45*y*z^4 - 10*y^2*z^4 + 30*z^5 - 20*y*z^5 - 10*z^6)*G[1 - y, 1, z])/ (2*y^2*z^2*(-1 + y + z)) + (-1/2*(Pi^2*(-1 + y + z)*(-5*y^3 + 10*y^3*z + 4*y*z^2 + 14*z^3 - 14* z^4))/(y^2*z^2) - (63*y^3 - 63*y^4 + 20*y^2*z - 237*y^3*z + 126*y^4*z - 141*y*z^2 + 23*y^2*z^2 + 252*y^3*z^2 - 126*z^3 + 393*y*z^3 + 252*z^4 - 252*y*z^4 - 126*z^5)/(6*y*z*(y + z)^2))* G[1 - y, 1 - y, z] + ((Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/(y^2*z^2) - (I*Pi*(-12*y^2 + 36*y^3 - 36*y^4 + 12*y^5 + 15*z - 46*y*z + 49*y^2*z - 30*y^3*z + 22*y^4*z - 10*y^5*z - 32*z^2 + 101*y*z^2 - 87*y^2*z^2 + 22*y^3*z^2 - 10*y^4*z^2 + 6*y^5*z^2 + 19*z^3 - 61*y*z^3 + 24*y^2*z^3 + 2*y^3*z^3 - 2*z^4 + 6*y*z^4 + 18*y^2*z^4 - 6*y^3*z^4))/((-1 + y)^3*y* (-1 + z)*z) + (-y^3 + 9*y^4 - 49*y^5 + 177*y^6 - 395*y^7 + 531*y^8 - 419*y^9 + 179*y^10 - 32*y^11 + y^3*z - y^4*z - 49*y^5*z - 3*y^6*z + 523*y^7*z - 1099*y^8*z + 917*y^9*z - 321*y^10*z + 32*y^11*z + 3*y*z^2 + 71*y^2*z^2 - 129*y^3*z^2 - 625*y^4*z^2 + 2044*y^5*z^2 - 1750*y^6*z^2 - 546*y^7*z^2 + 1686*y^8*z^2 - 896*y^9*z^2 + 142*y^10*z^2 + 2*z^3 - y*z^3 + 87*y^2*z^3 - 1215*y^3*z^3 + 3785*y^4*z^3 - 4390*y^5*z^3 + 1214*y^6*z^3 + 1360*y^7*z^3 - 1056*y^8*z^3 + 214*y^9*z^3 - 16*z^4 + 170*y*z^4 - 1284*y^2*z^4 + 4110*y^3*z^4 - 5546*y^4*z^4 + 2619*y^5*z^4 + 465*y^6*z^4 - 640*y^7*z^4 + 122*y^8*z^4 + 34*z^5 - 484*y*z^5 + 2244*y^2*z^5 - 3948*y^3*z^5 + 2248*y^4*z^5 + 525*y^5*z^5 - 637*y^6*z^5 + 66*y^7*z^5 - 16*z^6 + 369*y*z^6 - 1095*y^2*z^6 + 534*y^3*z^6 + 1164*y^4*z^6 - 1074*y^5*z^6 + 166*y^6*z^6 - 26*z^7 + 51*y*z^7 - 303*y^2*z^7 + 972*y^3*z^7 - 932*y^4*z^7 + 190*y^5*z^7 + 32*z^8 - 138*y*z^8 + 310*y^2*z^8 - 334*y^3*z^8 + 82*y^4*z^8 - 10*z^9 + 30*y*z^9 - 30*y^2*z^9 + 10*y^3*z^9)/(4*(-1 + y)^3*y^2*(-1 + z)*z^2* (-1 + y + z)*(y + z)^2))*G[1 - y, -y, z] + ((Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + z^3 - z^4))/(y^2*z^2) - (I*Pi*(6*y^2 - 6*y^3 - 5*y*z - 15*y^2*z + 12*y^3*z + 2*z^2 + 9*y*z^2 + 6*y^2*z^2 - 4*z^3 - 4*y*z^3 + 2*z^4))/(y^2*z) - (-2*y^2 + 11*y^3 - 15*y^4 + 6*y^5 - 6*y*z + 86*y^2*z - 225*y^3*z + 206*y^4*z - 64*y^5*z - 4*z^2 - 26*y*z^2 - 220*y^2*z^2 + 630*y^3*z^2 - 478*y^4*z^2 + 96*y^5*z^2 + 62*z^3 + 26*y*z^3 + 274*y^2*z^3 - 604*y^3*z^3 + 236*y^4*z^3 - 196*z^4 + 102*y*z^4 - 186*y^2*z^4 + 168*y^3*z^4 + 258*z^5 - 152*y*z^5 + 48*y^2*z^5 - 156*z^6 + 56*y*z^6 + 36*z^7)/(4*y^2*z^2*(-1 + y + z)^2))* G[-y, 0, z] + (-1/2*(Pi^2*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2* z^3 - 2*z^4))/(y^2*z^2) - (I*Pi*(y^3 - y^4 - 2*y^2*z - 7*y^3*z + 2*y^4*z + 15*y*z^2 + y^2*z^2 - 6*y^3*z^2 - 2*z^3 - 21*y*z^3 + 4*z^4 + 6*y*z^4 - 2*z^5))/(y^2*z^2) + (-4*y^4 + 14*y^5 - 33*y^6 + 56*y^7 - 49*y^8 + 16*y^9 - 20*y^3*z + 51*y^4*z - 27*y^5*z + 26*y^6*z - 75*y^7*z + 45*y^8*z + 36*y^2*z^2 - 164*y^3*z^2 + 364*y^4*z^2 - 302*y^5*z^2 + 6*y^6*z^2 + 60*y^7*z^2 + 28*y*z^3 - 236*y^2*z^3 + 664*y^3*z^3 - 653*y^4*z^3 + 140*y^5*z^3 + 25*y^6*z^3 + 8*z^4 - 94*y*z^4 + 393*y^2*z^4 - 534*y^3*z^4 + 183*y^4*z^4 - 52*y^5*z^4 + 5*z^5 + 19*y*z^5 - 80*y^2*z^5 + 5*y^3*z^5 - 45*y^4*z^5 - 36*z^6 + 96*y*z^6 - 116*y^2*z^6 + 24*y^3*z^6 + 23*z^7 - 46*y*z^7 + 23*y^2*z^7)/(2*(-1 + y)^2*y^2*z^2*(y + z)^2))*G[-y, 1 - y, z] + (-1/2*(Pi^2*(-1 + y + z)*(-5*y^3 + 10*y^3*z + y*z^2 + 10*z^3 - 10* z^4))/(y^2*z^2) - (I*Pi*(y^3 - y^4 - 6*y^2*z + y^3*z + 2*y^4*z + 17*y*z^2 + 7*y^2*z^2 - 14*y^3*z^2 - 2*z^3 - 31*y*z^3 + 4*z^4 + 14*y*z^4 - 2*z^5))/(y^2*z^2) - (17*y^3 - 87*y^4 + 179*y^5 - 185*y^6 + 96*y^7 - 20*y^8 - 56*y^2*z + 123*y^3*z + 72*y^4*z - 415*y^5*z + 420*y^6*z - 162*y^7*z + 18*y^8*z + 185*y*z^2 - 643*y^2*z^2 + 862*y^3*z^2 - 504*y^4*z^2 + 5*y^5*z^2 + 159*y^6*z^2 - 64*y^7*z^2 - 36*z^3 - 565*y*z^3 + 2276*y^2*z^3 - 2982*y^3*z^3 + 1454*y^4*z^3 - 25*y^5*z^3 - 122*y^6*z^3 + 148*z^4 + 475*y*z^4 - 2327*y^2*z^4 + 2699*y^3*z^4 - 1139*y^4*z^4 + 144*y^5*z^4 - 230*z^5 + 93*y*z^5 + 696*y^2*z^5 - 801*y^3*z^5 + 274*y^4*z^5 + 160*z^6 - 272*y*z^6 + 96*y^2*z^6 + 48*y^3*z^6 - 42*z^7 + 84*y*z^7 - 42*y^2*z^7)/ (4*(-1 + y)^2*y^2*z^2*(-1 + y + z)^2))*G[-y, -y, z] + (z*(3 - 4*y + 12*y^2 + 7*y^3 - 9*z + 8*y*z - 12*y^2*z + 9*z^2 - 4*y*z^2 - 3*z^3)*G[0, 0, 0, z])/(y^2*(-1 + y + z)) + (3*(-2*y + 4*y^2 - 2*y^3 + z + 6*y*z - 11*y^2*z + 4*y^3*z - 2*z^2 - 4*y*z^2 + 8*y^2*z^2 + z^3)*G[0, 0, 1 - y, z])/ (y*z*(-1 + y + z)) + (((6*I)*Pi*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2))/(y^2*(-1 + y + z)) - (-14*y^2 + 86*y^3 - 220*y^4 + 300*y^5 - 230*y^6 + 94*y^7 - 16*y^8 - 49*y*z + 340*y^2*z - 886*y^3*z + 1096*y^4*z - 609*y^5*z + 40*y^6*z + 96*y^7*z - 28*y^8*z - 26*z^2 + 418*y*z^2 - 1875*y^2*z^2 + 3671*y^3*z^2 - 3351*y^4*z^2 + 1001*y^5*z^2 + 468*y^6*z^2 - 358*y^7*z^2 + 52*y^8*z^2 + 118*z^3 - 1188*y*z^3 + 4133*y^2*z^3 - 6841*y^3*z^3 + 5573*y^4*z^3 - 1779*y^5*z^3 - 160*y^6*z^3 + 144*y^7*z^3 - 220*z^4 + 1636*y*z^4 - 4537*y^2*z^4 + 6345*y^3*z^4 - 4519*y^4*z^4 + 1389*y^5*z^4 - 94*y^6*z^4 + 212*z^5 - 1201*y*z^5 + 2601*y^2*z^5 - 2903*y^3*z^5 + 1569*y^4*z^5 - 310*y^5*z^5 - 106*z^6 + 450*y*z^6 - 714*y^2*z^6 + 550*y^3*z^6 - 148*y^4*z^6 + 22*z^7 - 66*y*z^7 + 66*y^2*z^7 - 22*y^3*z^7)/ (2*(-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)^2))*G[0, 0, -y, z] - ((-1 + 3*y - 3*y^2 + 4*z - 9*y*z + 6*y^2*z - 3*z^2 - 6*y*z^2 + 30*y^2*z^2 - 20*y^3*z^2 - 6*z^3 + 36*y*z^3 - 60*y^2*z^3 + 20*y^3*z^3 + 12*z^4 - 36*y*z^4 + 30*y^2*z^4 - 8*z^5 + 12*y*z^5 + 2*z^6)*G[0, 1, 0, z])/(y^2*z*(-1 + y + z)^2) + (3*(-2*y + 4*y^2 - 2*y^3 + z + 6*y*z - 11*y^2*z + 4*y^3*z - 2*z^2 - 4*y*z^2 + 8*y^2*z^2 + z^3)*G[0, 1 - y, 0, z])/ (y*z*(-1 + y + z)) + ((18*y^2 - 18*y^3 - 9*y*z - 45*y^2*z + 36*y^3*z + 6*z^2 - y*z^2 + 26*y^2*z^2 - 12*z^3 + 10*y*z^3 + 6*z^4)*G[0, 1 - y, 1 - y, z])/(2*y^2*z) + (((-6*I)*Pi*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2))/ (y^2*(-1 + y + z)) + (-2 + 12*y - 56*y^2 + 198*y^3 - 430*y^4 + 552*y^5 - 412*y^6 + 166*y^7 - 28*y^8 + 10*z - 97*y*z + 496*y^2*z - 1334*y^3*z + 1976*y^4*z - 1649*y^5*z + 748*y^6*z - 160*y^7*z + 10*y^8*z - 34*z^2 + 418*y*z^2 - 1857*y^2*z^2 + 3913*y^3*z^2 - 4237*y^4*z^2 + 2213*y^5*z^2 - 318*y^6*z^2 - 132*y^7*z^2 + 34*y^8*z^2 + 78*z^3 - 912*y*z^3 + 3383*y^2*z^3 - 5927*y^3*z^3 + 5237*y^4*z^3 - 2055*y^5*z^3 + 118*y^6*z^3 + 78*y^7*z^3 - 110*z^4 + 1072*y*z^4 - 3289*y^2*z^4 + 4879*y^3*z^4 - 3619*y^4*z^4 + 1155*y^5*z^4 - 88*y^6*z^4 + 94*z^5 - 697*y*z^5 + 1719*y^2*z^5 - 2101*y^3*z^5 + 1185*y^4*z^5 - 232*y^5*z^5 - 46*z^6 + 234*y*z^6 - 426*y^2*z^6 + 382*y^3*z^6 - 112*y^4*z^6 + 10*z^7 - 30*y*z^7 + 30*y^2*z^7 - 10*y^3*z^7)/(2*(-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)^2))* G[0, 1 - y, -y, z] + ((18*y^2 - 52*y^3 + 54*y^4 - 18*y^5 - 11*y*z - 61*y^2*z + 187*y^3*z - 153*y^4*z + 36*y^5*z + 6*z^2 + 33*y*z^2 + 66*y^2*z^2 - 195*y^3*z^2 + 90*y^4*z^2 - 24*z^3 - 30*y*z^3 - 30*y^2*z^3 + 62*y^3*z^3 + 36*z^4 + 6*y*z^4 + 4*y^2*z^4 - 24*z^5 + 2*y*z^5 + 6*z^6)*G[0, -y, 0, z])/(2*y^2*z*(-1 + y + z)^2) + (((6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/y^2 - (y^3 - 4*y^4 + 6*y^5 - 4*y^6 + y^7 + 24*y^2*z - 126*y^3*z + 237*y^4*z - 195*y^5*z + 63*y^6*z - 3*y^7*z + 45*y*z^2 - 258*y^2*z^2 + 577*y^3*z^2 - 653*y^4*z^2 + 384*y^5*z^2 - 97*y^6*z^2 + 2*y^7*z^2 + 20*z^3 - 248*y*z^3 + 781*y^2*z^3 - 1017*y^3*z^3 + 639*y^4*z^3 - 197*y^5*z^3 + 22*y^6*z^3 - 60*z^4 + 421*y*z^4 - 961*y^2*z^4 + 867*y^3*z^4 - 349*y^4*z^4 + 50*y^5*z^4 + 60*z^5 - 278*y*z^5 + 474*y^2*z^5 - 306*y^3*z^5 + 82*y^4*z^5 - 20*z^6 + 60*y*z^6 - 60*y^2*z^6 + 20*y^3*z^6)/ (2*(-1 + y)^3*y^2*(-1 + z)*z^2))*G[0, -y, 1 - y, z] + (((6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/y^2 - (y^3 - 6*y^4 + 15*y^5 - 20*y^6 + 15*y^7 - 6*y^8 + y^9 + 18*y^2*z - 124*y^3*z + 349*y^4*z - 521*y^5*z + 442*y^6*z - 208*y^7*z + 47*y^8*z - 3*y^9*z + 14*y*z^2 - 208*y^2*z^2 + 937*y^3*z^2 - 2027*y^4*z^2 + 2414*y^5*z^2 - 1626*y^6*z^2 + 585*y^7*z^2 - 91*y^8*z^2 + 2*y^9*z^2 + 26*z^3 - 242*y*z^3 + 1152*y^2*z^3 - 3024*y^3*z^3 + 4562*y^4*z^3 - 4020*y^5*z^3 + 2002*y^6*z^3 - 498*y^7*z^3 + 42*y^8*z^3 - 130*z^4 + 909*y*z^4 - 2886*y^2*z^4 + 5065*y^3*z^4 - 5208*y^4*z^4 + 3130*y^5*z^4 - 1010*y^6*z^4 + 130*y^7*z^4 + 260*z^5 - 1492*y*z^5 + 3619*y^2*z^5 - 4565*y^3*z^5 + 3178*y^4*z^5 - 1188*y^5*z^5 + 188*y^6*z^5 - 260*z^6 + 1233*y*z^6 - 2337*y^2*z^6 + 2120*y^3*z^6 - 950*y^4*z^6 + 178*y^5*z^6 + 130*z^7 - 500*y*z^7 + 720*y^2*z^7 - 436*y^3*z^7 + 102*y^4*z^7 - 26*z^8 + 78*y*z^8 - 78*y^2*z^8 + 26*y^3*z^8)/(2*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)^2))* G[0, -y, -y, z] + (((12*I)*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 - ((-1 + z)*(-1 + 3*y - 3*y^2 + 3*z - 6*y*z + 3*y^2*z - 3*z^2 + 7*y*z^2 - 15*y^2*z^2 + 2*y^3*z^2 + z^3 - 8*y*z^3 + 15*y^2*z^3 + 4*y*z^4))/(y^2*z*(-1 + y + z)^2))*G[1, 0, 0, z] + ((-1 + z)*(-4*y + 2*y^2 + 9*y^3 - 6*y^4 - 8*z + 22*y*z + 2*y^2*z - 27*y^3*z + 12*y^4*z + 20*z^2 - 28*y*z^2 - 10*y^2*z^2 + 18*y^3*z^2 - 16*z^3 + 26*y*z^3 - 34*y^2*z^3 + 4*z^4 - 16*y*z^4)* G[1, 0, 1 - y, z])/(2*y^2*z^2*(-1 + y + z)) + (((6*I)*Pi*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2))/ (y^2*(-1 + y + z)) - (7*y - 17*y^2 + 7*y^3 + 5*y^4 - 2*y^5 + 16*z - 72*y*z + 71*y^2*z + 28*y^3*z - 75*y^4*z + 28*y^5*z - 72*z^2 + 197*y*z^2 - 82*y^2*z^2 - 138*y^3*z^2 + 125*y^4*z^2 - 22*y^5*z^2 + 134*z^3 - 302*y*z^3 + 170*y^2*z^3 + 108*y^3*z^3 - 125*y^4*z^3 + 28*y^5*z^3 - 150*z^4 + 433*y*z^4 - 473*y^2*z^4 + 51*y^3*z^4 + 70*y^4*z^4 + 140*z^5 - 524*y*z^5 + 511*y^2*z^5 - 56*y^3*z^5 - 116*z^6 + 355*y*z^6 - 180*y^2*z^6 + 62*z^7 - 94*y*z^7 - 14*z^8)/(2*y^2*(-1 + z)*z^2*(-1 + y + z)^2))* G[1, 0, -y, z] + (((12*I)*Pi*y*(-1 + z)*z)/(-1 + y + z)^2 + ((-1 + z)*z*(-2 + 11*y - 27*y^2 + 28*y^3 + 6*z - 22*y*z + 27*y^2*z - 6*z^2 + 11*y*z^2 + 2*z^3))/(y^2*(-1 + y + z)^2))* G[1, 1, 0, z] + ((-1 + z)*(-4*y + 2*y^2 + 9*y^3 - 6*y^4 - 8*z + 22*y*z + 2*y^2*z - 27*y^3*z + 12*y^4*z + 20*z^2 - 28*y*z^2 - 10*y^2*z^2 + 18*y^3*z^2 - 16*z^3 + 26*y*z^3 - 34*y^2*z^3 + 4*z^4 - 16*y*z^4)*G[1, 1 - y, 0, z])/(2*y^2*z^2*(-1 + y + z)) + (((6*I)*Pi*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2))/ (y^2*(-1 + y + z)) - (7*y - 17*y^2 + 7*y^3 + 5*y^4 - 2*y^5 + 16*z - 72*y*z + 71*y^2*z + 28*y^3*z - 75*y^4*z + 28*y^5*z - 72*z^2 + 197*y*z^2 - 82*y^2*z^2 - 138*y^3*z^2 + 125*y^4*z^2 - 22*y^5*z^2 + 134*z^3 - 302*y*z^3 + 170*y^2*z^3 + 108*y^3*z^3 - 125*y^4*z^3 + 28*y^5*z^3 - 150*z^4 + 433*y*z^4 - 473*y^2*z^4 + 51*y^3*z^4 + 70*y^4*z^4 + 140*z^5 - 524*y*z^5 + 511*y^2*z^5 - 56*y^3*z^5 - 116*z^6 + 355*y*z^6 - 180*y^2*z^6 + 62*z^7 - 94*y*z^7 - 14*z^8)/(2*y^2*(-1 + z)*z^2*(-1 + y + z)^2))* G[1, 1 - y, -y, z] + (3*(-2*y + 4*y^2 - 2*y^3 + z + 6*y*z - 11*y^2*z + 4*y^3*z - 2*z^2 - 4*y*z^2 + 8*y^2*z^2 + z^3)* G[1 - y, 0, 0, z])/(y*z*(-1 + y + z)) + ((18*y^2 - 18*y^3 - 9*y*z - 45*y^2*z + 36*y^3*z + 6*z^2 - y*z^2 + 26*y^2*z^2 - 12*z^3 + 10*y*z^3 + 6*z^4)*G[1 - y, 0, 1 - y, z])/ (2*y^2*z) + (((-6*I)*Pi*(-1 + y + z)*(y + z)*(-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3))/(y^2*z^2) + (8*y - 36*y^2 + 64*y^3 - 60*y^4 + 40*y^5 - 28*y^6 + 16*y^7 - 4*y^8 + 16*z - 100*y*z + 242*y^2*z - 334*y^3*z + 354*y^4*z - 312*y^5*z + 174*y^6*z - 38*y^7*z - 2*y^8*z - 56*z^2 + 309*y*z^2 - 737*y^2*z^2 + 1046*y^3*z^2 - 1008*y^4*z^2 + 653*y^5*z^2 - 237*y^6*z^2 + 24*y^7*z^2 + 6*y^8*z^2 + 74*z^3 - 503*y*z^3 + 1403*y^2*z^3 - 1980*y^3*z^3 + 1480*y^4*z^3 - 547*y^5*z^3 + 59*y^6*z^3 + 14*y^7*z^3 - 56*z^4 + 565*y*z^4 - 1689*y^2*z^4 + 2111*y^3*z^4 - 1217*y^4*z^4 + 302*y^5*z^4 - 16*y^6*z^4 + 44*z^5 - 435*y*z^5 + 1153*y^2*z^5 - 1151*y^3*z^5 + 509*y^4*z^5 - 88*y^5*z^5 - 32*z^6 + 186*y*z^6 - 366*y^2*z^6 + 254*y^3*z^6 - 74*y^4*z^6 + 10*z^7 - 30*y*z^7 + 30*y^2*z^7 - 10*y^3*z^7)/(2*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)))* G[1 - y, 0, -y, z] + ((-y + 2*y^2 + 2*y*z - 2*y^2*z - 2*y*z^2 + 2*y^2*z^2 + 6*z^3 - 26*y*z^3 + 54*y^2*z^3 + 2*y^3*z^3 - 18*z^4 + 55*y*z^4 - 56*y^2*z^4 + 18*z^5 - 28*y*z^5 - 6*z^6)* G[1 - y, 1, 0, z])/(2*y^2*z^2*(-1 + y + z)) + ((18*y^2 - 18*y^3 - 9*y*z - 45*y^2*z + 36*y^3*z + 6*z^2 - y*z^2 + 26*y^2*z^2 - 12*z^3 + 10*y*z^3 + 6*z^4)*G[1 - y, 1 - y, 0, z])/ (2*y^2*z) + (((6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4))/(y^2*z^2) - (4*y^4 - 14*y^5 + 16*y^6 - 10*y^7 + 20*y^8 - 34*y^9 + 24*y^10 - 6*y^11 + 20*y^3*z - 96*y^4*z + 166*y^5*z - 160*y^6*z + 204*y^7*z - 296*y^8*z + 230*y^9*z - 72*y^10*z + 4*y^11*z - 36*y^2*z^2 + 116*y^3*z^2 - 93*y^4*z^2 - 135*y^5*z^2 + 454*y^6*z^2 - 628*y^7*z^2 + 475*y^8*z^2 - 171*y^9*z^2 + 16*y^10*z^2 + 2*y^11*z^2 - 28*y*z^3 + 220*y^2*z^3 - 489*y^3*z^3 + 312*y^4*z^3 + 231*y^5*z^3 - 282*y^6*z^3 - 125*y^7*z^3 + 246*y^8*z^3 - 101*y^9*z^3 + 16*y^10*z^3 - 8*z^4 + 106*y*z^4 - 341*y^2*z^4 + 320*y^3*z^4 + 46*y^4*z^4 + 371*y^5*z^4 - 1538*y^6*z^4 + 1557*y^7*z^4 - 589*y^8*z^4 + 76*y^9*z^4 + 20*z^5 - 113*y*z^5 + 144*y^2*z^5 - 64*y^3*z^5 + 750*y^4*z^5 - 2469*y^5*z^5 + 2870*y^6*z^5 - 1298*y^7*z^5 + 192*y^8*z^5 - 18*z^6 + 89*y*z^6 - 332*y^2*z^6 + 1128*y^3*z^6 - 2598*y^4*z^6 + 3231*y^5*z^6 - 1736*y^6*z^6 + 300*y^7*z^6 + 32*z^7 - 283*y*z^7 + 1048*y^2*z^7 - 2116*y^3*z^7 + 2616*y^4*z^7 - 1625*y^5*z^7 + 328*y^6*z^7 - 68*z^8 + 443*y*z^8 - 1093*y^2*z^8 + 1439*y^3*z^8 - 1029*y^4*z^8 + 244*y^5*z^8 + 60*z^9 - 268*y*z^9 + 444*y^2*z^9 - 372*y^3*z^9 + 104*y^4*z^9 - 18*z^10 + 54*y*z^10 - 54*y^2*z^10 + 18*y^3*z^10)/ (2*(-1 + y)^3*y^2*(-1 + z)*z^2*(-1 + y + z)*(y + z)^3))* G[1 - y, 1 - y, -y, z] + ((-y + 2*y^2 - 2*z + 6*y*z - 16*y^2*z + 24*y^3*z - 12*y^4*z + 6*z^2 + 2*y*z^2 + 32*y^2*z^2 - 66*y^3*z^2 + 24*y^4*z^2 - 8*z^3 - 24*y*z^3 - 24*y^2*z^3 + 36*y^3*z^3 + 12*z^4 + 18*y*z^4 + 4*y^2*z^4 - 12*z^5 - 4*y*z^5 + 4*z^6)* G[1 - y, -y, 0, z])/(2*y^2*z^2*(-1 + y + z)) + ((-4*y^4 + 18*y^5 - 29*y^6 + 16*y^7 + 6*y^8 - 10*y^9 + 3*y^10 - 20*y^3*z + 88*y^4*z - 153*y^5*z + 96*y^6*z + 59*y^7*z - 123*y^8*z + 62*y^9*z - 9*y^10*z + 36*y^2*z^2 - 116*y^3*z^2 + 154*y^4*z^2 - 190*y^5*z^2 + 270*y^6*z^2 - 250*y^7*z^2 + 130*y^8*z^2 - 40*y^9*z^2 + 6*y^10*z^2 + 28*y*z^3 - 220*y^2*z^3 + 708*y^3*z^3 - 1250*y^4*z^3 + 1231*y^5*z^3 - 559*y^6*z^3 + 47*y^7*z^3 + 11*y^8*z^3 + 4*y^9*z^3 + 8*z^4 - 126*y*z^4 + 661*y^2*z^4 - 1740*y^3*z^4 + 2430*y^4*z^4 - 1596*y^5*z^4 + 253*y^6*z^4 + 102*y^7*z^4 - 24*y^8*z^4 - 28*z^5 + 261*y*z^5 - 1084*y^2*z^5 + 2271*y^3*z^5 - 2355*y^4*z^5 + 946*y^5*z^5 - 53*y^6*z^5 - 22*y^7*z^5 + 30*z^6 - 262*y*z^6 + 924*y^2*z^6 - 1534*y^3*z^6 + 1052*y^4*z^6 - 232*y^5*z^6 + 22*y^6*z^6 - 2*z^7 + 87*y*z^7 - 329*y^2*z^7 + 395*y^3*z^7 - 111*y^4*z^7 + 24*y^5*z^7 - 14*z^8 + 30*y*z^8 - 6*y^2*z^8 + 26*y^3*z^8 - 4*y^4*z^8 + 6*z^9 - 18*y*z^9 + 18*y^2*z^9 - 6*y^3*z^9)*G[1 - y, -y, 1 - y, z])/ (2*(-1 + y)^3*y^2*(-1 + z)*z^2*(y + z)^3) + ((-3*y^3 + 17*y^4 - 37*y^5 + 39*y^6 - 20*y^7 + 4*y^8 + 18*y^2*z - 59*y^3*z + 43*y^4*z + 57*y^5*z - 109*y^6*z + 62*y^7*z - 12*y^8*z - 51*y*z^2 + 145*y^2*z^2 - 76*y^3*z^2 - 136*y^4*z^2 + 171*y^5*z^2 - 41*y^6*z^2 - 20*y^7*z^2 + 8*y^8*z^2 + 6*z^3 + 159*y*z^3 - 571*y^2*z^3 + 618*y^3*z^3 - 120*y^4*z^3 - 175*y^5*z^3 + 97*y^6*z^3 - 14*y^7*z^3 - 28*z^4 - 136*y*z^4 + 646*y^2*z^4 - 761*y^3*z^4 + 291*y^4*z^4 - 2*y^5*z^4 - 10*y^6*z^4 + 46*z^5 - 22*y*z^5 - 232*y^2*z^5 + 299*y^3*z^5 - 117*y^4*z^5 + 10*y^5*z^5 - 32*z^6 + 74*y*z^6 - 30*y^2*z^6 - 10*y^3*z^6 + 14*y^4*z^6 + 8*z^7 - 24*y*z^7 + 24*y^2*z^7 - 8*y^3*z^7)*G[1 - y, -y, -y, z])/(2*(-1 + y)^3*y^2*(-1 + z)*z^2* (-1 + y + z)) + ((6*y^2 - 19*y^3 + 18*y^4 - 6*y^5 - 5*y*z - 17*y^2*z + 62*y^3*z - 51*y^4*z + 12*y^5*z + 2*z^2 + 17*y*z^2 + 7*y^2*z^2 - 47*y^3*z^2 + 31*y^4*z^2 - 2*z^3 - 39*y*z^3 + 31*y^2*z^3 + 12*y^3*z^3 - 2*z^4 + 35*y*z^4 - 15*y^2*z^4 + 2*z^5 - 8*y*z^5)*G[-y, 0, 0, z])/(y^2*z*(-1 + y + z)^2) + (((6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/z^2 - (7*y^3 - 12*y^4 + 6*y^5 + 6*y^2*z - 40*y^3*z + 32*y^4*z + 2*y^5*z - 7*y*z^2 - 14*y^2*z^2 + 54*y^3*z^2 - 10*y^4*z^2 + 2*z^3 + 20*y*z^3 + 4*y^2*z^3 - 18*y^3*z^3 - 2*z^4 - 24*y*z^4 + 2*y^2*z^4 + 8*y*z^5)/(2*y^2*z^2*(-1 + y + z)))* G[-y, 0, 1 - y, z] + (((6*I)*Pi*(-1 + y + z)*(y + 2*z - 2*z^2))/ y^2 + (-6*y^4 + 8*y^5 - 2*y^6 - 12*y^2*z + 16*y^3*z - 6*y^4*z - 4*y^5*z + 4*y^6*z - 5*y*z^2 + 87*y^2*z^2 - 160*y^3*z^2 + 86*y^4*z^2 - 6*y^5*z^2 - 24*z^3 + 91*y*z^3 - 240*y^2*z^3 + 214*y^3*z^3 - 48*y^4*z^3 + 84*z^4 - 210*y*z^4 + 240*y^2*z^4 - 88*y^3*z^4 - 116*z^5 + 190*y*z^5 - 96*y^2*z^5 + 76*z^6 - 66*y*z^6 - 20*z^7)/(2*y^2*z^2*(-1 + y + z)^2))*G[-y, 0, -y, z] + (((6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/z^2 - (7*y^3 - 12*y^4 + 6*y^5 + 6*y^2*z - 40*y^3*z + 32*y^4*z + 2*y^5*z - 7*y*z^2 - 14*y^2*z^2 + 54*y^3*z^2 - 10*y^4*z^2 + 2*z^3 + 20*y*z^3 + 4*y^2*z^3 - 18*y^3*z^3 - 2*z^4 - 24*y*z^4 + 2*y^2*z^4 + 8*y*z^5)/(2*y^2*z^2*(-1 + y + z)))* G[-y, 1 - y, 0, z] + ((3*y^3 - 3*y^4 - 10*y^2*z - 13*y^3*z + 6*y^4*z + 45*y*z^2 + 11*y^2*z^2 - 26*y^3*z^2 - 6*z^3 - 71*y*z^3 + 12*z^4 + 26*y*z^4 - 6*z^5)*G[-y, 1 - y, 1 - y, z])/(2*y^2*z^2) + (((-6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4))/ (y^2*z^2) + (-6*y^3 + 12*y^4 - 10*y^5 + 4*y^6 - 6*y^2*z + 26*y^3*z - 50*y^4*z + 18*y^5*z + 6*y^6*z + 32*y*z^2 - 80*y^2*z^2 + 23*y^3*z^2 + 31*y^4*z^2 + 18*z^3 - 190*y*z^3 + 322*y^2*z^3 - 109*y^3*z^3 + 14*y^4*z^3 - 60*z^4 + 339*y*z^4 - 335*y^2*z^4 + 80*y^3*z^4 + 80*z^5 - 261*y*z^5 + 126*y^2*z^5 - 52*z^6 + 80*y*z^6 + 14*z^7)/(2*y^2*z^2*(-1 + y + z)^2))* G[-y, 1 - y, -y, z] + (((6*I)*Pi*y*(-1 + y + z)*(-1 + 2*z))/z^2 - (-7*y^3 + 7*y^4 + 12*y^2*z + 13*y^3*z - 8*y*z^2 - 30*y^2*z^2 + 22*y^3*z^2 + 4*z^3 + 14*y*z^3 + 12*y^2*z^3 - 8*z^4 - 6*y*z^4 + 4*z^5)/(2*y^2*z^2))*G[-y, -y, 0, z] + (((-6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4))/ (y^2*z^2) + (6*y^3 - 14*y^4 + 7*y^5 + 6*y^2*z - 42*y^3*z + 36*y^4*z - 34*y*z^2 + 54*y^2*z^2 + 20*y^3*z^2 - 18*y^4*z^2 - 18*z^3 + 144*y*z^3 - 140*y^2*z^3 + 2*y^3*z^3 + 58*z^4 - 191*y*z^4 + 78*y^2*z^4 - 60*z^5 + 78*y*z^5 + 20*z^6)/ (2*y^2*z^2*(-1 + y + z)))*G[-y, -y, 1 - y, z] + (((-6*I)*Pi*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4))/ (y^2*z^2) - (9*y^3 - 33*y^4 + 35*y^5 - 11*y^6 - 12*y^2*z - 41*y^3*z + 104*y^4*z - 65*y^5*z + 8*y^6*z + 17*y*z^2 + 33*y^2*z^2 - 43*y^3*z^2 + 5*y^4*z^2 - 6*y^5*z^2 - 24*z^3 + 9*y*z^3 - 108*y^2*z^3 + 169*y^3*z^3 - 44*y^4*z^3 + 108*z^4 - 168*y*z^4 + 210*y^2*z^4 - 80*y^3*z^4 - 172*z^5 + 216*y*z^5 - 96*y^2*z^5 + 116*z^6 - 74*y*z^6 - 28*z^7)/(2*y^2*z^2* (-1 + y + z)^2))*G[-y, -y, -y, z] + (9*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + 6*y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)* G[0, 0, 0, -y, z])/(y^2*(-1 + y + z)^2) - (9*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + 6*y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)* G[0, 0, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) + (3*(3*y - 6*y^2 + y^3 + 6*z - 18*y*z + 12*y^2*z - 18*z^2 + 27*y*z^2 - 6*y^2*z^2 + 18*z^3 - 12*y*z^3 - 6*z^4)* G[0, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)) + (3*(-y + 3*y^2 - 3*y^3 + y^4 - 2*z + 9*y*z - 12*y^2*z + 3*y^3*z + 8*z^2 - 21*y*z^2 + 15*y^2*z^2 - 12*z^3 + 19*y*z^3 - 6*y^2*z^3 + 8*z^4 - 6*y*z^4 - 2*z^5)*G[0, 0, -y, -y, z])/ (y^2*(-1 + y + z)^2) - (12*y*(-1 + z)*z*G[0, 1, 0, 0, z])/ (-1 + y + z)^2 - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)* G[0, 1, 0, -y, z])/(y^2*(-1 + y + z)) - (12*y*(-1 + z)*z*G[0, 1, 1, 0, z])/(-1 + y + z)^2 - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[0, 1, 1 - y, -y, z])/(y^2*(-1 + y + z)) - (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 2*y*z^2 - 6*y^2*z^2 + 12*y^3*z^2 - 14*y^4*z^2 + 6*y^5*z^2 + 4*z^3 - 18*y*z^3 + 24*y^2*z^3 - 16*y^3*z^3 + 6*y^4*z^3 - 16*z^4 + 42*y*z^4 - 30*y^2*z^4 + 8*y^3*z^4 + 24*z^5 - 38*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7)*G[0, 1 - y, 0, -y, z])/ (y^2*z^2*(-1 + y + z)^2) + (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 3*y*z^2 - 9*y^2*z^2 + 15*y^3*z^2 - 15*y^4*z^2 + 6*y^5*z^2 + 6*z^3 - 27*y*z^3 + 36*y^2*z^3 - 21*y^3*z^3 + 6*y^4*z^3 - 24*z^4 + 63*y*z^4 - 45*y^2*z^4 + 10*y^3*z^4 + 36*z^5 - 57*y*z^5 + 18*y^2*z^5 - 24*z^6 + 18*y*z^6 + 6*z^7)*G[0, 1 - y, 1 - y, -y, z])/ (y^2*z^2*(-1 + y + z)^2) - (6*(2*y - 4*y^2 + y^3 + 4*z - 12*y*z + 8*y^2*z - 12*z^2 + 18*y*z^2 - 4*y^2*z^2 + 12*z^3 - 8*y*z^3 - 4*z^4)*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 - 6*z + 27*y*z - 36*y^2*z + 13*y^3*z + 24*z^2 - 63*y*z^2 + 45*y^2*z^2 - 4*y^3*z^2 - 36*z^3 + 57*y*z^3 - 18*y^2*z^3 + 24*z^4 - 18*y*z^4 - 6*z^5)* G[0, 1 - y, -y, -y, z])/(y^2*(-1 + y + z)^2) - (6*y*(-1 + z)*z*G[0, -y, 0, 0, z])/(-1 + y + z)^2 + (3*y*(-1 + y + z)*(-1 + 2*z)*G[0, -y, 0, 1 - y, z])/z^2 - (3*y*G[0, -y, 0, -y, z])/(-1 + y + z) + (3*y*(-1 + y + z)*(-1 + 2*z)*G[0, -y, 1 - y, 0, z])/z^2 - (9*(-1 + y + z)*(y + 2*z - 2*z^2)*G[0, -y, 1 - y, 1 - y, z])/y^2 - (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z - y*z^2 + 3*y^2*z^2 + 5*y^3*z^2 - 13*y^4*z^2 + 6*y^5*z^2 - 2*z^3 + 9*y*z^3 - 12*y^2*z^3 - 5*y^3*z^3 + 6*y^4*z^3 + 8*z^4 - 21*y*z^4 + 15*y^2*z^4 + 4*y^3*z^4 - 12*z^5 + 19*y*z^5 - 6*y^2*z^5 + 8*z^6 - 6*y*z^6 - 2*z^7)* G[0, -y, 1 - y, -y, z])/(y^2*z^2*(-1 + y + z)^2) + (3*y*(-1 + y + z)*(-1 + 2*z)*G[0, -y, -y, 0, z])/z^2 - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[0, -y, -y, 1 - y, z])/(y^2*z^2) - (3*(y^3 - 3*y^4 + 3*y^5 - y^6 - 5*y^3*z + 12*y^4*z - 9*y^5*z + 2*y^6*z + 2*y*z^2 - 6*y^2*z^2 + 16*y^3*z^2 - 18*y^4*z^2 + 6*y^5*z^2 + 4*z^3 - 18*y*z^3 + 24*y^2*z^3 - 14*y^3*z^3 + 6*y^4*z^3 - 16*z^4 + 42*y*z^4 - 30*y^2*z^4 + 2*y^3*z^4 + 24*z^5 - 38*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7)* G[0, -y, -y, -y, z])/(y^2*z^2*(-1 + y + z)^2) - (18*y*(-1 + z)*z*G[1, 0, 0, 0, z])/(-1 + y + z)^2 - (12*y*(-1 + z)*z*G[1, 0, 0, 1 - y, z])/(-1 + y + z)^2 + (3*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + 12*y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)* G[1, 0, 0, -y, z])/(y^2*(-1 + y + z)^2) - (12*y*(-1 + z)*z*G[1, 0, 1, 0, z])/(-1 + y + z)^2 - (12*y*(-1 + z)*z*G[1, 0, 1 - y, 0, z])/(-1 + y + z)^2 - (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)* G[1, 0, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)*G[1, 0, -y, 1 - y, z])/(y^2*(-1 + y + z)) - (3*(-1 + z)*(-1 + 2*y + z)* (y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)* G[1, 0, -y, -y, z])/(y^2*(-1 + y + z)^2) - (12*y*(-1 + z)*z*G[1, 1, 0, 0, z])/(-1 + y + z)^2 - (12*y*(-1 + z)*z*G[1, 1, 0, 1 - y, z])/(-1 + y + z)^2 + (6*(-1 + z)*(-2*y + 6*y^2 - 4*y^3 - 4*z + 16*y*z - 18*y^2*z + 9*y^3*z + 12*z^2 - 26*y*z^2 + 12*y^2*z^2 - 12*z^3 + 12*y*z^3 + 4*z^4)*G[1, 1, 0, -y, z])/(y^2*(-1 + y + z)^2) + (6*y*(-1 + z)*z*G[1, 1, 1, 0, z])/(-1 + y + z)^2 - (12*y*(-1 + z)*z*G[1, 1, 1 - y, 0, z])/(-1 + y + z)^2 + (6*(-1 + z)*(-2*y + 6*y^2 - 4*y^3 - 4*z + 16*y*z - 18*y^2*z + 9*y^3*z + 12*z^2 - 26*y*z^2 + 12*y^2*z^2 - 12*z^3 + 12*y*z^3 + 4*z^4)*G[1, 1, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) - (12*y*(-1 + z)*z*G[1, 1 - y, 0, 0, z])/(-1 + y + z)^2 - (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)* G[1, 1 - y, 0, -y, z])/(y^2*(-1 + y + z)^2) - (18*y*(-1 + z)*z*G[1, 1 - y, 1, 0, z])/(-1 + y + z)^2 - (6*(-1 + z)*(-y + 3*y^2 - 2*y^3 - 2*z + 8*y*z - 9*y^2*z + y^3*z + 6*z^2 - 13*y*z^2 + 6*y^2*z^2 - 6*z^3 + 6*y*z^3 + 2*z^4)* G[1, 1 - y, 1 - y, -y, z])/(y^2*(-1 + y + z)^2) - (6*(-1 + z)^2*(-y + 2*y^2 - 2*z + 4*y*z + 2*z^2)* G[1, 1 - y, -y, 1 - y, z])/(y^2*(-1 + y + z)) - (3*(-1 + z)*(-1 + 2*y + z)*(y - y^2 + 2*z - 3*y*z + 2*y^2*z - 4*z^2 + 2*y*z^2 + 2*z^3)*G[1, 1 - y, -y, -y, z])/ (y^2*(-1 + y + z)^2) + (3*(-2*y^3 + 4*y^4 - 2*y^5 + 8*y^3*z - 12*y^4*z + 4*y^5*z + 3*y*z^2 - 6*y^2*z^2 - 6*y^3*z^2 + 8*y^4*z^2 + 6*z^3 - 18*y*z^3 + 12*y^2*z^3 + 4*y^3*z^3 - 18*z^4 + 27*y*z^4 - 6*y^2*z^4 + 18*z^5 - 12*y*z^5 - 6*z^6)* G[1 - y, 0, 0, -y, z])/(y^2*z^2*(-1 + y + z)) - (3*(-2*y^3 + 4*y^4 - 2*y^5 + 8*y^3*z - 12*y^4*z + 4*y^5*z + 4*y*z^2 - 8*y^2*z^2 - 5*y^3*z^2 + 8*y^4*z^2 + 8*z^3 - 24*y*z^3 + 16*y^2*z^3 + 4*y^3*z^3 - 24*z^4 + 36*y*z^4 - 8*y^2*z^4 + 24*z^5 - 16*y*z^5 - 8*z^6)*G[1 - y, 0, 1 - y, -y, z])/ (y^2*z^2*(-1 + y + z)) + (6*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)*G[1 - y, 0, -y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(-y^3 + 2*y^3*z - 3*y*z^2 - 6*z^3 + 6*z^4)* G[1 - y, 0, -y, -y, z])/(y^2*z^2) + (6*y*(-1 + z)*z*G[1 - y, 1, 0, 0, z])/(-1 + y + z)^2 - (3*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, 1, 0, 1 - y, z])/z^2 + (3*(-y^3 + 2*y^4 - y^5 + 4*y^3*z - 6*y^4*z + 2*y^5*z + 5*y*z^2 - 10*y^2*z^2 + y^3*z^2 + 4*y^4*z^2 + 10*z^3 - 30*y*z^3 + 20*y^2*z^3 + 2*y^3*z^3 - 30*z^4 + 45*y*z^4 - 10*y^2*z^4 + 30*z^5 - 20*y*z^5 - 10*z^6)*G[1 - y, 1, 0, -y, z])/ (y^2*z^2*(-1 + y + z)) + (6*y*(-1 + z)*z*G[1 - y, 1, 1, 0, z])/ (-1 + y + z)^2 - (3*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, 1, 1 - y, 0, z])/z^2 + (3*(-y^3 + 2*y^4 - y^5 + 4*y^3*z - 6*y^4*z + 2*y^5*z + 5*y*z^2 - 10*y^2*z^2 + y^3*z^2 + 4*y^4*z^2 + 10*z^3 - 30*y*z^3 + 20*y^2*z^3 + 2*y^3*z^3 - 30*z^4 + 45*y*z^4 - 10*y^2*z^4 + 30*z^5 - 20*y*z^5 - 10*z^6)*G[1 - y, 1, 1 - y, -y, z])/ (y^2*z^2*(-1 + y + z)) + (9*(-1 + y + z)*(y + z)* (-y^2 + y*z + 2*y^2*z - 2*z^2 - 2*y*z^2 + 2*z^3)* G[1 - y, 1 - y, 0, -y, z])/(y^2*z^2) - (9*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, 1 - y, 1 - y, -y, z])/(y^2*z^2) - (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, 1 - y, -y, 1 - y, z])/(y^2*z^2) - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, 1 - y, -y, -y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, -y, 0, 1 - y, z])/z^2 - (6*(-1 + y + z)*(y + 2*z - 2*z^2)*G[1 - y, -y, 0, -y, z])/y^2 - (6*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, -y, 1 - y, 0, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, -y, 1 - y, -y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[1 - y, -y, -y, 0, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, -y, -y, 1 - y, z])/(y^2*z^2) + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[1 - y, -y, -y, -y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)* G[-y, 0, 0, 1 - y, z])/z^2 + (12*(-1 + y + z)*(y + 2*z - 2*z^2)* G[-y, 0, 0, -y, z])/y^2 - (6*y*(-1 + y + z)*(-1 + 2*z)* G[-y, 0, 1 - y, 0, z])/z^2 - (9*y*(-1 + y + z)*(-1 + 2*z)* G[-y, 0, 1 - y, 1 - y, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)* G[-y, 0, 1 - y, -y, z])/(y^2*z^2) - (9*y*(-1 + y + z)*(-1 + 2*z)* G[-y, 0, -y, 0, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)*G[-y, 0, -y, 1 - y, z])/(y^2*z^2) + (3*(-1 + y + z)*(-3*y^3 + 6*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)* G[-y, 0, -y, -y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)* G[-y, 1 - y, 0, 0, z])/z^2 - (9*y*(-1 + y + z)*(-1 + 2*z)* G[-y, 1 - y, 0, 1 - y, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z - 2*y*z^2 - 4*z^3 + 4*z^4)* G[-y, 1 - y, 0, -y, z])/(y^2*z^2) - (9*y*(-1 + y + z)*(-1 + 2*z)* G[-y, 1 - y, 1 - y, 0, z])/z^2 + (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, 1 - y, 1 - y, -y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, 1 - y, -y, 0, z])/z^2 + (12*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, 1 - y, -y, 1 - y, z])/(y^2*z^2) + (9*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, 1 - y, -y, -y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)* G[-y, -y, 0, 0, z])/z^2 - (6*y*(-1 + y + z)*(-1 + 2*z)* G[-y, -y, 0, 1 - y, z])/z^2 + (3*(-1 + y + z)*(-2*y^3 + 4*y^3*z - y*z^2 - 2*z^3 + 2*z^4)*G[-y, -y, 0, -y, z])/(y^2*z^2) - (6*y*(-1 + y + z)*(-1 + 2*z)*G[-y, -y, 1 - y, 0, z])/z^2 + (9*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, -y, 1 - y, 1 - y, z])/(y^2*z^2) + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, -y, 1 - y, -y, z])/(y^2*z^2) + (3*y*(-1 + y + z)*(-1 + 2*z)* G[-y, -y, -y, 0, z])/z^2 + (6*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)*G[-y, -y, -y, 1 - y, z])/(y^2*z^2) - (3*(-1 + y + z)*(-y^3 + 2*y^3*z + y*z^2 + 2*z^3 - 2*z^4)* G[-y, -y, -y, -y, z])/(y^2*z^2) + (((6*I)*Pi*(-3*y + 9*y^2 - 9*y^3 + 3*y^4 - 8*z + 33*y*z - 42*y^2*z + 23*y^3*z + 32*z^2 - 81*y*z^2 + 57*y^2*z^2 - 14*y^3*z^2 - 48*z^3 + 75*y*z^3 - 24*y^2*z^3 + 32*z^4 - 24*y*z^4 - 8*z^5))/ (y^2*(-1 + y + z)^2) + (42*y^5 - 198*y^6 + 360*y^7 - 300*y^8 + 90*y^9 + 18*y^10 - 12*y^11 - 432*y^2*z + 2568*y^3*z - 6316*y^4*z + 8072*y^5*z - 5431*y^6*z + 1672*y^7*z - 278*y^8*z + 316*y^9*z - 207*y^10*z + 36*y^11*z - 336*y*z^2 + 3792*y^2*z^2 - 14430*y^3*z^2 + 27102*y^4*z^2 - 28489*y^5*z^2 + 17866*y^6*z^2 - 7661*y^7*z^2 + 3081*y^8*z^2 - 1096*y^9*z^2 + 155*y^10*z^2 + 16*y^11*z^2 - 96*z^3 + 2040*y*z^3 - 12172*y^2*z^3 + 33192*y^3*z^3 - 50276*y^4*z^3 + 47600*y^5*z^3 - 31165*y^6*z^3 + 15102*y^7*z^3 - 5099*y^8*z^3 + 840*y^9*z^3 + 34*y^10*z^3 + 432*z^4 - 4798*y*z^4 + 19918*y^2*z^4 - 44238*y^3*z^4 + 62506*y^4*z^4 - 60722*y^5*z^4 + 40015*y^6*z^4 - 16689*y^7*z^4 + 3846*y^8*z^4 - 270*y^9*z^4 - 730*z^5 + 5860*y*z^5 - 21005*y^2*z^5 + 46284*y^3*z^5 - 67025*y^4*z^5 + 60792*y^5*z^5 - 32438*y^6*z^5 + 9624*y^7*z^5 - 1250*y^8*z^5 + 622*z^6 - 4965*y*z^6 + 19396*y^2*z^6 - 43428*y^3*z^6 + 54717*y^4*z^6 - 37481*y^5*z^6 + 13651*y^6*z^6 - 2288*y^7*z^6 - 428*z^7 + 4236*y*z^7 - 16072*y^2*z^7 + 29072*y^3*z^7 - 26010*y^4*z^7 + 11502*y^5*z^7 - 2300*y^6*z^7 + 388*z^8 - 3101*y*z^8 + 8639*y^2*z^8 - 10540*y^3*z^8 + 5746*y^4*z^8 - 1356*y^5*z^8 - 250*z^9 + 1250*y*z^9 - 2250*y^2*z^9 + 1582*y^3*z^9 - 444*y^4*z^9 + 62*z^10 - 186*y*z^10 + 186*y^2*z^10 - 62*y^3*z^10)/ (2*(-1 + y)^3*y^2*(-1 + z)*z*(-1 + y + z)^2*(y + z)^3))*Zeta[3] + G[-y, z]*(((-I)*Pi^3*(-1 + y + z)*(-y^3 + 2*y^3*z + 2*z^3 - 2*z^4))/ (y^2*z^2) - (I*Pi*(4*y^3 - 20*y^4 + 36*y^5 - 28*y^6 + 8*y^7 - 14*y^2*z + 41*y^3*z - 28*y^4*z - 11*y^5*z + 12*y^6*z + 3*y*z^2 + 34*y^2*z^2 - 74*y^3*z^2 + 43*y^4*z^2 - 6*y^5*z^2 + 4*z^3 - 29*y*z^3 + 59*y^2*z^3 - 54*y^3*z^3 + 4*y^4*z^3 - 8*z^4 + 34*y*z^4 - 60*y^2*z^4 + 18*y^3*z^4 + 4*z^5 - 8*y*z^5 + 4*y^2*z^5))/((-1 + y)^2*y^2*z^2) - (3*y^3 - 51*y^4 + 243*y^5 - 525*y^6 + 582*y^7 - 324*y^8 + 72*y^9 + 108*y^3*z - 301*y^4*z + 12*y^5*z + 699*y^6*z - 770*y^7*z + 252*y^8*z - 9*y*z^2 + 112*y^2*z^2 - 966*y^3*z^2 + 2112*y^4*z^2 - 1563*y^5*z^2 + 148*y^6*z^2 + 166*y^7*z^2 - 6*z^3 - 27*y*z^3 - 221*y^2*z^3 + 1280*y^3*z^3 - 1654*y^4*z^3 + 828*y^5*z^3 - 200*y^6*z^3 - 12*z^4 + 343*y*z^4 - 884*y^2*z^4 + 1301*y^3*z^4 - 804*y^4*z^4 - 120*y^5*z^4 + 78*z^5 - 653*y*z^5 + 1657*y^2*z^5 - 1666*y^3*z^5 + 232*y^4*z^5 - 96*z^6 + 418*y*z^6 - 700*y^2*z^6 + 202*y^3*z^6 + 36*z^7 - 72*y*z^7 + 36*y^2*z^7)/(4*(-1 + y)^2*y^2*z^2* (-1 + y + z)*(y + z)) + (Pi^2*(-17*y^6 + 31*y^7 - 19*y^8 + 5*y^9 - 39*y^5*z + 108*y^6*z - 131*y^7*z + 50*y^8*z + 4*y^9*z - 42*y^4*z^2 + 133*y^5*z^2 - 281*y^6*z^2 + 154*y^7*z^2 + 20*y^8*z^2 - 126*y^3*z^3 + 314*y^4*z^3 - 413*y^5*z^3 + 252*y^6*z^3 + 60*y^7*z^3 - 25*y^2*z^4 + 291*y^3*z^4 - 419*y^4*z^4 + 272*y^5*z^4 + 120*y^6*z^4 + 57*y*z^5 - 142*y^2*z^5 + 17*y^3*z^5 + 82*y^4*z^5 + 176*y^5*z^5 + 40*z^6 - 295*y*z^6 + 527*y^2*z^6 - 338*y^3*z^6 + 244*y^4*z^6 - 120*z^7 + 471*y*z^7 - 552*y^2*z^7 + 300*y^3*z^7 + 136*z^8 - 333*y*z^8 + 240*y^2*z^8 - 72*z^9 + 100*y*z^9 + 16*z^10))/ (12*y^2*z^2*(-1 + y + z)^2*(y + z)^3) - (3*(-1 + y + z)*(-7*y^3 + 14*y^3*z + 9*y*z^2 + 14*z^3 - 14*z^4)* Zeta[3])/(y^2*z^2)) + G[1, z]* (((-I)*Pi^3*(-1 + z)*(-1 + 2*y + z))/(y*(-1 + y + z)) - (Pi^2*(4*y - 14*y^2 + 7*y^3 + 5*y^4 - 2*y^5 + 8*z - 34*y*z + 36*y^2*z + 28*y^3*z - 75*y^4*z + 28*y^5*z - 28*z^2 + 60*y*z^2 + 20*y^2*z^2 - 138*y^3*z^2 + 125*y^4*z^2 - 22*y^5*z^2 + 14*z^3 - 62*y^2*z^3 + 164*y^3*z^3 - 125*y^4*z^3 + 28*y^5*z^3 + 70*z^4 - 60*y*z^4 - 84*y^2*z^4 - 61*y^3*z^4 + 70*y^4*z^4 - 140*z^5 + 6*y*z^5 + 178*y^2*z^5 + 112*z^6 + 44*y*z^6 - 74*y^2*z^6 - 42*z^7 - 20*y*z^7 + 6*z^8))/(12*y^2*(-1 + z)*z^2* (-1 + y + z)^2) - (3*(-1 + z)*(-5*y + 15*y^2 - 10*y^3 - 6*z + 28*y*z - 33*y^2*z + 18*y^3*z + 18*z^2 - 41*y*z^2 + 18*y^2*z^2 - 18*z^3 + 18*y*z^3 + 6*z^4)*Zeta[3])/(y^2*(-1 + y + z)^2)) + G[1 - y, z]*((I*Pi^3*(-1 + y + z)*(-y^2 + 2*y^2*z + z^2))/(y*z^2) + (I*Pi*(7*y^3 - 7*y^4 + 4*y^2*z - 29*y^3*z + 14*y^4*z - 13*y*z^2 - y^2*z^2 + 28*y^3*z^2 - 14*z^3 + 41*y*z^3 + 28*z^4 - 28*y*z^4 - 14*z^5))/(y*z*(y + z)^2) - (24*y^2 + 60*y^3 - 144*y^4 + 12*y^5 + 48*y^6 - 120*y*z + 247*y^2*z - 387*y^3*z + 329*y^4*z - 69*y^5*z - 48*z^2 - 54*y*z^2 + 452*y^2*z^2 - 244*y^3*z^2 - 154*y^4*z^2 - 213*z^3 + 1197*y*z^3 - 1448*y^2*z^3 + 368*y^3*z^3 + 570*z^4 - 1332*y*z^4 + 714*y^2*z^4 - 309*z^5 + 309*y*z^5)/(6*(-1 + y)*y*z*(y + z)^2) + (Pi^2*(8*y^2 - 40*y^3 + 72*y^4 - 40*y^5 - 40*y^6 + 72*y^7 - 40*y^8 + 8*y^9 - 2*z + 4*y*z - 20*y^2*z + 58*y^3*z + 20*y^4*z - 298*y^5*z + 476*y^6*z - 330*y^7*z + 102*y^8*z - 10*y^9*z - 6*z^2 + 60*y*z^2 - 110*y^2*z^2 + 80*y^3*z^2 - 306*y^4*z^2 + 862*y^5*z^2 - 994*y^6*z^2 + 516*y^7*z^2 - 104*y^8*z^2 + 2*y^9*z^2 + 66*z^3 - 298*y*z^3 + 302*y^2*z^3 + 242*y^3*z^3 - 280*y^4*z^3 - 614*y^5*z^3 + 982*y^6*z^3 - 466*y^7*z^3 + 66*y^8*z^3 - 174*z^4 + 551*y*z^4 - 148*y^2*z^4 - 1332*y^3*z^4 + 1730*y^4*z^4 - 447*y^5*z^4 - 316*y^6*z^4 + 136*y^7*z^4 + 224*z^5 - 544*y*z^5 - 133*y^2*z^5 + 1715*y^3*z^5 - 1913*y^4*z^5 + 687*y^5*z^5 - 36*y^6*z^5 - 156*z^6 + 327*y*z^6 + 89*y^2*z^6 - 855*y^3*z^6 + 737*y^4*z^6 - 174*y^5*z^6 + 56*z^7 - 124*y*z^7 + 36*y^2*z^7 + 124*y^3*z^7 - 60*y^4*z^7 - 8*z^8 + 24*y*z^8 - 24*y^2*z^8 + 8*y^3*z^8))/(12*(-1 + y)^3*y^2*(-1 + z)* z^2*(-1 + y + z)^2) + (3*(9*y^3 - 27*y^4 + 27*y^5 - 9*y^6 - 45*y^3*z + 108*y^4*z - 81*y^5*z + 18*y^6*z + 5*y*z^2 - 15*y^2*z^2 + 96*y^3*z^2 - 140*y^4*z^2 + 54*y^5*z^2 + 4*z^3 - 27*y*z^3 + 42*y^2*z^3 - 76*y^3*z^3 + 54*y^4*z^3 - 16*z^4 + 51*y*z^4 - 39*y^2*z^4 + 16*y^3*z^4 + 24*z^5 - 41*y*z^5 + 12*y^2*z^5 - 16*z^6 + 12*y*z^6 + 4*z^7)*Zeta[3])/ (y^2*z^2*(-1 + y + z)^2))) + (66*y*Zeta[5])/(-1 + y + z)))}