{{A1 -> (-19*Pi^2)/24 - (y*z)/(6*(-1 + y + z)^2) - (I/2)*(Pi*G[0, y] + Pi*G[0, z] + Pi*G[1, y] + Pi*G[1 - y, z]) - G[1, y]*G[-y, z] + (-G[0, 1, y] - G[1, 0, y])/2 - G[1, 0, z] + (G[0, y]*(G[0, z] + G[1 - y, z]) + G[1, y]*(G[0, z] + G[1 - y, z]) + G[0, 0, y] + G[0, 0, z] + G[0, 1 - y, z] + G[1, 1, y] + G[1 - y, 0, z] + G[1 - y, 1 - y, z])/2 - G[-y, 1 - y, z], B1 -> 0, C1 -> (y*z)/(6*(-1 + y + z)^2)}, {A2 -> ((-55*I)/72)*Pi^3 - (1133*Pi^4)/5760 + ((I/36)*Pi*(91 - 182*y + 91*y^2 - 182*z + 171*y*z + 91*z^2))/ (-1 + y + z)^2 - (1321 - 3873*y + 3783*y^2 - 1231*y^3 - 3873*z + 8985*y*z - 6055*y^2*z + 943*y^3*z + 3783*z^2 - 6055*y*z^2 + 2560*y^2*z^2 - 1231*z^3 + 943*y*z^3)/(216*(-1 + y)*(-1 + z)* (-1 + y + z)^2) - (Pi^2*(2747 - 11012*y + 16530*y^2 - 11012*y^3 + 2747*y^4 - 11012*z + 32850*y*z - 32712*y^2*z + 10874*y^3*z + 16530*z^2 - 32712*y*z^2 + 16614*y^2*z^2 - 11012*z^3 + 10874*y*z^3 + 2747*z^4))/(864*(-1 + y + z)^4) + ((Pi^2*(-33 + 87*y - 78*y^2 + 22*y^3 + 99*z - 174*y*z + 78*y^2*z - 99*z^2 + 87*y*z^2 + 33*z^3)*G[0, y])/(-1 + y + z)^3 + (Pi^2*(-33 + 99*y - 99*y^2 + 33*y^3 + 87*z - 174*y*z + 87*y^2*z - 78*z^2 + 78*y*z^2 + 22*z^3)*G[0, z])/(-1 + y + z)^3)/72 + (((90*y^2 - 360*y^3 + 540*y^4 - 360*y^5 + 90*y^6 + 193*z - 749*y*z + 841*y^2*z + 41*y^3*z - 574*y^4*z + 248*y^5*z - 579*z^2 + 1362*y*z^2 - 495*y^2*z^2 - 780*y^3*z^2 + 492*y^4*z^2 + 579*z^3 - 531*y*z^3 - 243*y^2*z^3 + 195*y^3*z^3 - 193*z^4 - 82*y*z^4 + 131*y^2*z^4)*G[0, y])/((-1 + y)^2*z*(-1 + y + z)^3) + ((193*y - 579*y^2 + 579*y^3 - 193*y^4 - 749*y*z + 1362*y^2*z - 531*y^3*z - 82*y^4*z + 90*z^2 + 841*y*z^2 - 495*y^2*z^2 - 243*y^3*z^2 + 131*y^4*z^2 - 360*z^3 + 41*y*z^3 - 780*y^2*z^3 + 195*y^3*z^3 + 540*z^4 - 574*y*z^4 + 492*y^2*z^4 - 360*z^5 + 248*y*z^5 + 90*z^6)*G[0, z])/(y*(-1 + z)^2*(-1 + y + z)^3))/108 + (11*Pi^2*G[1 - y, z])/18 - ((5*I)/16)*(Pi^3*G[0, y] + Pi^3*G[0, z] + Pi^3*G[1, y] + Pi^3*G[1 - y, z]) - (I/36)*((Pi*(67 - 134*y + 67*y^2 - 134*z + 137*y*z + 67*z^2)*G[0, y])/ (-1 + y + z)^2 + (Pi*(67 - 134*y + 67*y^2 - 134*z + 137*y*z + 67*z^2)* G[0, z])/(-1 + y + z)^2 + (Pi*(67 - 134*y + 67*y^2 - 134*z + 137*y*z + 67*z^2)*G[1, y])/(-1 + y + z)^2 + (Pi*(67 - 134*y + 67*y^2 - 134*z + 137*y*z + 67*z^2)*G[1 - y, z])/ (-1 + y + z)^2) + (-(((90*y^2 - 180*y^3 + 90*y^4 + 382*y*z - 944*y^2*z + 562*y^3*z + 90*z^2 - 944*y*z^2 + 911*y^2*z^2 - 180*z^3 + 562*y*z^3 + 90*z^4)* G[1, y])/(y*z*(-1 + y + z)^2)) - ((90*y^2 - 180*y^3 + 90*y^4 + 382*y*z - 944*y^2*z + 562*y^3*z + 90*z^2 - 944*y*z^2 + 911*y^2*z^2 - 180*z^3 + 562*y*z^3 + 90*z^4)* G[1 - y, z])/(y*z*(-1 + y + z)^2))/108 + (Pi^2*G[0, 1, z])/3 - ((11*I)/12)*(Pi*G[0, 1, y] + Pi*G[1, 0, y]) + (-(Pi^2*G[0, 1, y]) - Pi^2*G[1, 0, y])/16 + (I/4)*(Pi*G[0, z]*G[0, 1, y] + Pi*G[1 - y, z]*G[0, 1, y] + (Pi*G[0, z] + Pi*G[1 - y, z])*G[1, 0, y]) + (-(G[0, 1, y]*(G[0, 0, z] + G[0, 1 - y, z])) - (G[0, 0, z] + G[0, 1 - y, z])*G[1, 0, y])/4 - (5*Pi^2*G[1, 0, z])/8 + (-(((67*y^2 - 134*y^3 + 67*y^4 - 75*y*z + 16*y^2*z + 62*y^3*z - 30*z^2 + 210*y*z^2 - 113*y^2*z^2 + 60*z^3 - 135*y*z^3 - 30*z^4)*G[0, 1, y])/ (y^2*(-1 + y + z)^2)) - ((67 - 274*y + 414*y^2 - 274*y^3 + 67*y^4 - 262*z + 900*y*z - 978*y^2*z + 340*y^3*z + 390*z^2 - 966*y*z^2 + 456*y^2*z^2 - 262*z^3 + 340*y*z^3 + 67*z^4)*G[1, 0, y])/ (-1 + y + z)^4 - ((134*y^2 - 530*y^3 + 792*y^4 - 530*y^5 + 134*y^6 - 75*y*z - 242*y^2*z + 1257*y^3*z - 1476*y^4*z + 536*y^5*z - 30*z^2 + 420*y*z^2 - 264*y^2*z^2 - 768*y^3*z^2 + 534*y^4*z^2 + 120*z^3 - 810*y*z^3 + 718*y^2*z^3 + 41*y^3*z^3 - 180*z^4 + 660*y*z^4 - 346*y^2*z^4 + 120*z^5 - 195*y*z^5 - 30*z^6)*G[1, 0, z])/ (y^2*(-1 + y + z)^4))/36 + G[0, -y, z]*G[1, 1, y] - (Pi^2*G[1, 1, z])/3 + (9*(Pi^2*G[0, z]*G[1, y] + G[0, y]*(Pi^2*G[0, z] + Pi^2*G[1 - y, z]) + Pi^2*G[0, 0, y] + Pi^2*G[0, 0, z] + Pi^2*G[0, 1 - y, z] + Pi^2*G[1, 1, y] + Pi^2*G[1 - y, 0, z]))/16 - (5*G[1, 0, y]*G[1 - y, 1 - y, z])/4 + ((11*I)/12)*(G[0, y]*(Pi*G[0, z] + Pi*G[1 - y, z]) + G[1, y]*(Pi*G[0, z] + Pi*G[1 - y, z]) + Pi*G[0, 0, y] + Pi*G[0, 0, z] + Pi*G[0, 1 - y, z] + Pi*G[1, 1, y] + Pi*G[1 - y, 0, z] + Pi*G[1 - y, 1 - y, z]) + (43*(Pi^2*G[1, y]*G[1 - y, z] + Pi^2*G[1 - y, 1 - y, z]))/48 - (3*G[0, 1, y]*G[1 - y, -y, z])/2 + G[1, 1, y]*(G[1 - y, -y, z] + G[-y, 0, z]) - G[0, 1, y]*G[-y, 1 - y, z] + G[1, 0, y]*G[-y, 1 - y, z] - ((11*I)/6)*(Pi*G[1, y]*G[-y, z] + Pi*G[1, 0, z] + Pi*G[-y, 1 - y, z]) - (23*(Pi^2*G[1, y]*G[-y, z] + Pi^2*G[-y, 1 - y, z]))/24 + ((Pi^2*y*(12 - 21*y + 11*y^2 - 24*z + 21*y*z + 12*z^2)*G[1, z])/ (-1 + y + z)^3 + G[0, y]*(((67 - 268*y + 402*y^2 - 268*y^3 + 67*y^4 - 268*z + 900*y*z - 972*y^2*z + 340*y^3*z + 402*z^2 - 972*y*z^2 + 456*y^2*z^2 - 268*z^3 + 340*y*z^3 + 67*z^4)*G[0, z])/ (-1 + y + z)^4 + ((-30*y^2 + 60*y^3 - 30*y^4 - 75*y*z + 210*y^2*z - 135*y^3*z + 67*z^2 + 16*y*z^2 - 113*y^2*z^2 - 134*z^3 + 62*y*z^3 + 67*z^4)*G[1 - y, z])/(z^2*(-1 + y + z)^2)) + G[1, y]*((Pi^2*(-22 + 66*y - 66*y^2 + 22*y^3 + 78*z - 156*y*z + 78*y^2*z - 87*z^2 + 87*y*z^2 + 33*z^3))/(-1 + y + z)^3 + ((67*y^2 - 134*y^3 + 67*y^4 - 75*y*z + 16*y^2*z + 62*y^3*z - 30*z^2 + 210*y*z^2 - 113*y^2*z^2 + 60*z^3 - 135*y*z^3 - 30*z^4)*G[0, z])/ (y^2*(-1 + y + z)^2) + ((67 - 134*y + 67*y^2 - 134*z + 137*y*z + 67*z^2)*G[1 - y, z])/(-1 + y + z)^2 + ((30*y^4 - 60*y^5 + 30*y^6 + 75*y^3*z - 210*y^4*z + 135*y^5*z - 134*y^2*z^2 + 118*y^3*z^2 + 46*y^4*z^2 + 75*y*z^3 + 118*y^2*z^3 - 124*y^3*z^3 + 30*z^4 - 210*y*z^4 + 46*y^2*z^4 - 60*z^5 + 135*y*z^5 + 30*z^6)*G[-y, z])/(y^2*z^2*(-1 + y + z)^2)) + ((67 - 134*y + 67*y^2 - 134*z + 137*y*z + 67*z^2)*G[0, 0, y])/ (-1 + y + z)^2 + ((67 - 134*y + 67*y^2 - 134*z + 137*y*z + 67*z^2)* G[0, 0, z])/(-1 + y + z)^2 + ((67*y^2 - 134*y^3 + 67*y^4 - 75*y*z + 16*y^2*z + 62*y^3*z - 30*z^2 + 210*y*z^2 - 113*y^2*z^2 + 60*z^3 - 135*y*z^3 - 30*z^4)* G[0, 1 - y, z])/(y^2*(-1 + y + z)^2) + ((67 - 134*y + 67*y^2 - 134*z + 137*y*z + 67*z^2)*G[1, 1, y])/ (-1 + y + z)^2 + ((67*y^2 - 134*y^3 + 67*y^4 - 75*y*z + 16*y^2*z + 62*y^3*z - 30*z^2 + 210*y*z^2 - 113*y^2*z^2 + 60*z^3 - 135*y*z^3 - 30*z^4)*G[1 - y, 0, z])/(y^2*(-1 + y + z)^2) + ((67 - 134*y + 67*y^2 - 134*z + 137*y*z + 67*z^2)*G[1 - y, 1 - y, z])/ (-1 + y + z)^2 + ((30*y^4 - 60*y^5 + 30*y^6 + 75*y^3*z - 210*y^4*z + 135*y^5*z - 134*y^2*z^2 + 118*y^3*z^2 + 46*y^4*z^2 + 75*y*z^3 + 118*y^2*z^3 - 124*y^3*z^3 + 30*z^4 - 210*y*z^4 + 46*y^2*z^4 - 60*z^5 + 135*y*z^5 + 30*z^6)*G[-y, 1 - y, z])/ (y^2*z^2*(-1 + y + z)^2))/36 + (5*G[-y, z]*G[0, 0, 1, y])/2 + (((-11 + 33*y - 33*y^2 + 11*y^3 + 45*z - 90*y*z + 45*y^2*z - 54*z^2 + 54*y*z^2 + 22*z^3)*G[0, z]*G[1, 0, y])/(-1 + y + z)^3 + ((-22 + 54*y - 45*y^2 + 11*y^3 + 66*z - 108*y*z + 45*y^2*z - 66*z^2 + 54*y*z^2 + 22*z^3)*G[0, 1, 0, y])/(-1 + y + z)^3 + ((-44 + 132*y - 132*y^2 + 44*y^3 + 120*z - 240*y*z + 120*y^2*z - 111*z^2 + 111*y*z^2 + 33*z^3)*G[0, 1, 0, z])/(-1 + y + z)^3)/12 - G[-y, z]*(G[0, 1, 1, y] + G[1, 0, 1, y]) + (11*(G[0, z]*G[0, 1, y] + G[1 - y, z]*G[0, 1, y] + G[-y, z]*G[0, 1, y] + G[0, 1, 1, y] + G[1, 0, 0, y] + G[1, 0, 1, y]))/12 + G[-y, z]*G[1, 1, 0, y] - (I/4)*(Pi*G[0, 0, 1, y] + Pi*G[0, 1, 0, y] + Pi*G[0, 1, 1, y] + Pi*G[1, 0, 0, y] + Pi*G[1, 0, 1, y] + Pi*G[1, 1, 0, y]) + (-(((-1 + z)*(11 - 21*y + 12*y^2 - 22*z + 21*y*z + 11*z^2)*G[0, y]* G[1, 0, z])/(-1 + y + z)^3) - ((-11 + 33*y - 33*y^2 + 11*y^3 + 57*z - 114*y*z + 57*y^2*z - 75*z^2 + 75*y*z^2 + 33*z^3)*G[1, 1, 0, y])/(-1 + y + z)^3)/12 - (7*(G[1 - y, z]*G[0, 0, 1, y] + G[1 - y, z]*G[1, 1, 0, y]))/4 - (y*(12 - 21*y + 11*y^2 - 24*z + 21*y*z + 12*z^2)*G[1, 1, 0, z])/ (6*(-1 + y + z)^3) + ((3*I)/4)*(Pi*G[0, z]*G[0, 0, y] + Pi*G[1 - y, z]*G[0, 0, y] + (Pi*G[0, z] + Pi*G[1 - y, z])*G[1, 1, y] + G[0, y]*(Pi*G[0, 0, z] + Pi*G[0, 1 - y, z] + Pi*G[1 - y, 0, z] + Pi*G[1 - y, 1 - y, z]) + G[1, y]*(Pi*G[0, 0, z] + Pi*G[0, 1 - y, z] + Pi*G[1 - y, 0, z] + Pi*G[1 - y, 1 - y, z]) + Pi*G[0, 0, 0, y] + Pi*G[0, 0, 0, z] + Pi*G[0, 0, 1 - y, z] + Pi*G[0, 1 - y, 0, z] + Pi*G[0, 1 - y, 1 - y, z] + Pi*G[1, 1, 1, y] + Pi*G[1 - y, 0, 0, z] + Pi*G[1 - y, 0, 1 - y, z] + Pi*G[1 - y, 1 - y, 0, z] + Pi*G[1 - y, 1 - y, 1 - y, z]) - (11*(G[0, z]*G[0, 0, y] + G[1 - y, z]*G[0, 0, y] + G[1, y]*G[0, -y, z] + (G[1 - y, z] + G[-y, z])*G[1, 0, y] + (G[0, z] + G[1 - y, z])* G[1, 1, y] + G[0, y]*(G[0, 0, z] + G[1 - y, 1 - y, z]) + G[1, y]*(G[0, 0, z] + G[0, 1 - y, z] + G[1 - y, 0, z] + G[1 - y, 1 - y, z]) + G[1, y]*G[-y, 0, z] + G[0, y]*G[-y, 1 - y, z] + G[0, 0, 0, y] + G[0, 0, 0, z] + G[0, 0, 1, y] + G[0, 0, 1 - y, z] + G[0, 1 - y, 0, z] + G[0, 1 - y, 1 - y, z] + G[0, -y, 1 - y, z] + G[1, 1, 1, y] + G[1 - y, 0, 0, z] + G[1 - y, 0, 1 - y, z] + G[1 - y, 1 - y, 0, z] + G[1 - y, 1 - y, 1 - y, z] + G[-y, 0, 1 - y, z] + G[-y, 1 - y, 0, z]))/ 12 + G[1, y]*(G[0, -y, 1 - y, z] + G[1, 0, 0, z] + G[1 - y, -y, 1 - y, z] + G[-y, 0, 1 - y, z] + G[-y, 1 - y, 0, z]) - (I/2)*(Pi*G[-y, z]*G[0, 1, y] + Pi*G[1, y]*G[0, -y, z] + Pi*G[-y, z]*G[1, 0, y] + Pi*G[0, y]*G[1, 0, z] + Pi*G[1, y]*G[1, 0, z] + Pi*G[1, y]*G[1 - y, -y, z] + Pi*G[1, y]*G[-y, 0, z] + Pi*G[0, y]*G[-y, 1 - y, z] + Pi*G[0, 1, 0, z] + Pi*G[0, -y, 1 - y, z] + Pi*G[1, 0, 1 - y, z] + Pi*G[1, 1 - y, 0, z] + Pi*G[1 - y, 1, 0, z] + Pi*G[1 - y, -y, 1 - y, z] + Pi*G[-y, 0, 1 - y, z] + Pi*G[-y, 1 - y, 0, z]) + G[0, y]*(G[1, 0, 0, z] + G[-y, 1 - y, 1 - y, z]) - I*(Pi*G[-y, z]*G[1, 1, y] + Pi*G[1, y]*G[-y, 1 - y, z] + Pi*G[1, 0, 0, z] + Pi*G[-y, 1 - y, 1 - y, z]) + (11*(G[-y, z]*G[1, 1, y] + G[0, y]*(G[0, 1 - y, z] + G[1 - y, 0, z]) + G[1, y]*G[1 - y, -y, z] + G[1, y]*G[-y, 1 - y, z] + G[1, y]*G[-y, -y, z] + G[1, 0, 0, z] + G[1 - y, -y, 1 - y, z] + G[-y, 1 - y, 1 - y, z] + G[-y, -y, 1 - y, z]))/6 + G[0, 1, 0, 0, z] + G[0, -y, 1 - y, 1 - y, z] + G[1, 0, 0, 1 - y, z] + G[1, 0, 1 - y, 0, z] + (3*(G[1, 0, y]*G[1 - y, 0, z] + G[0, 1, y]*(G[1 - y, 0, z] + G[1 - y, 1 - y, z]) + G[0, 0, 0, 1, y] + G[0, 0, 1, 0, y] + G[0, 1, 0, 0, y] + G[0, 1, 1, 1, y] + G[1, 0, 0, 0, y] + G[1, 0, 1, 1, y] + G[1, 1, 0, 1, y] + G[1, 1, 1, 0, y]))/4 + G[1, 1 - y, 0, 0, z] + G[1 - y, 1, 0, 0, z] + (-(G[0, 1, y]*G[1, 0, z]) - G[1, 0, y]*G[1, 0, z] - (G[0, 1, y] + G[1, 0, y])*G[-y, 0, z] - G[1, y]*(G[0, 0, -y, z] + G[0, -y, 0, z] + G[1 - y, 1, 0, z]) - G[0, y]*(G[1, 0, 1 - y, z] + G[1, 1 - y, 0, z] + G[-y, 0, 1 - y, z] + G[-y, 1 - y, 0, z]) - G[0, 0, -y, 1 - y, z] - G[0, -y, 0, 1 - y, z] - G[0, -y, 1 - y, 0, z] - G[1 - y, 1, 0, 1 - y, z] - G[1 - y, 1, 1 - y, 0, z] - G[1 - y, 1 - y, 1, 0, z])/2 - (3*(G[0, 0, y]*(G[0, 0, z] + G[0, 1 - y, z] + G[1 - y, 0, z]) + G[0, 0, y]*G[1 - y, 1 - y, z] + G[1, 1, y]*(G[0, 0, z] + G[0, 1 - y, z] + G[1 - y, 0, z] + G[1 - y, 1 - y, z]) + G[0, z]*(G[0, 0, 0, y] + G[1, 1, 1, y]) + G[1 - y, z]*(G[0, 0, 0, y] + G[1, 1, 1, y]) + G[0, y]*(G[0, 0, 0, z] + G[0, 1 - y, 1 - y, z] + G[1 - y, 0, 0, z] + G[1 - y, 1 - y, 1 - y, z]) + G[1, y]*(G[0, 0, 0, z] + G[0, 0, 1 - y, z] + G[0, 1 - y, 0, z] + G[0, 1 - y, 1 - y, z] + G[1 - y, 0, 0, z] + G[1 - y, 0, 1 - y, z] + G[1 - y, 1 - y, 0, z] + G[1 - y, 1 - y, 1 - y, z]) + G[0, 0, 0, 0, y] + G[0, 0, 0, 0, z] + G[0, 0, 0, 1 - y, z] + G[0, 0, 1, 1, y] + G[0, 0, 1 - y, 0, z] + G[0, 0, 1 - y, 1 - y, z] + G[0, 1, 0, 1, y] + G[0, 1, 1, 0, y] + G[0, 1 - y, 0, 0, z] + G[0, 1 - y, 0, 1 - y, z] + G[0, 1 - y, 1 - y, 0, z] + G[0, 1 - y, 1 - y, 1 - y, z] + G[1, 0, 0, 1, y] + G[1, 0, 1, 0, y] + G[1, 1, 0, 0, y] + G[1, 1, 1, 1, y] + G[1 - y, 0, 0, 0, z] + G[1 - y, 0, 0, 1 - y, z] + G[1 - y, 0, 1 - y, 0, z] + G[1 - y, 0, 1 - y, 1 - y, z] + G[1 - y, 1 - y, 0, 0, z] + G[1 - y, 1 - y, 0, 1 - y, z] + G[1 - y, 1 - y, 1 - y, 0, z] + G[1 - y, 1 - y, 1 - y, 1 - y, z]))/4 + G[1 - y, -y, 1 - y, 1 - y, z] + G[-y, 0, 1 - y, 1 - y, z] + (G[0, -y, z]*(G[0, 1, y] + G[1, 0, y]) + G[0, 0, y]*G[1, 0, z] + G[1, 0, z]*G[1, 1, y] + G[1, 0, y]*G[1 - y, -y, z] + G[0, 0, y]*G[-y, 1 - y, z] + G[0, y]*G[0, -y, 1 - y, z] + G[-y, z]*(G[0, 1, 0, y] + G[1, 0, 0, y]) + G[0, y]*(G[0, 1, 0, z] + G[1 - y, 1, 0, z] + G[1 - y, -y, 1 - y, z]) + G[1, y]*(G[0, 1, 0, z] + G[0, 1 - y, -y, z] + G[1, 0, 1 - y, z] + G[1, 1 - y, 0, z] + G[1 - y, 0, -y, z] + G[1 - y, -y, 0, z] + G[-y, 0, 0, z]) + G[0, 1, 0, 1 - y, z] + G[0, 1, 1 - y, 0, z] + G[0, 1 - y, 1, 0, z] + G[0, 1 - y, -y, 1 - y, z] + G[1, 0, 1 - y, 1 - y, z] + G[1, 1 - y, 0, 1 - y, z] + G[1, 1 - y, 1 - y, 0, z] + G[1 - y, 0, 1, 0, z] + G[1 - y, 0, -y, 1 - y, z] + G[1 - y, -y, 0, 1 - y, z] + G[1 - y, -y, 1 - y, 0, z] + G[-y, 0, 0, 1 - y, z] + G[-y, 0, 1 - y, 0, z] + G[-y, 1 - y, 0, 0, z])/2 + G[-y, 1 - y, 0, 1 - y, z] + G[-y, 1 - y, 1 - y, 0, z] + (3*(G[1, 1, y]*G[-y, 1 - y, z] + G[-y, z]*G[1, 1, 1, y] + G[1, y]*(G[1 - y, 1 - y, -y, z] + G[-y, 1 - y, 1 - y, z]) + G[0, 0, 1, 0, z] + G[1, 0, 0, 0, z] + G[1 - y, 1 - y, -y, 1 - y, z] + G[-y, 1 - y, 1 - y, 1 - y, z]))/2 - 2*(G[1, 1, y]*G[-y, -y, z] + G[1, y]*(G[1 - y, -y, -y, z] + G[-y, 1 - y, -y, z] + G[-y, -y, 1 - y, z]) + G[0, 1, 1, 0, z] + G[1, 0, 1, 0, z] + G[1, 1, 0, 0, z] + G[1 - y, -y, -y, 1 - y, z] + G[-y, 1 - y, -y, 1 - y, z] + G[-y, -y, 1 - y, 1 - y, z]) + 2*(G[0, 1, y]*G[-y, -y, z] + G[1, y]*G[-y, -y, -y, z] + G[1, 1, 1, 0, z] + G[-y, -y, -y, 1 - y, z]) - ((3*I)/4)*Pi*Zeta[3] + ((-33 + 147*y - 183*y^2 + 77*y^3 + 147*z - 390*y*z + 231*y^2*z - 183*z^2 + 231*y*z^2 + 77*z^3)*Zeta[3])/(24*(-1 + y + z)^3) + (G[0, z]*G[0, 0, 1, y] + G[0, z]*G[0, 1, 1, y] + G[0, z]*G[1, 0, 1, y] + G[0, z]*G[1, 1, 0, y] + G[1, y]*Zeta[3] + G[0, z]*(G[0, 1, 0, y] + G[1, 0, 0, y] + Zeta[3]) + G[1 - y, z]*(G[0, 1, 0, y] + G[0, 1, 1, y] + G[1, 0, 0, y] + G[1, 0, 1, y] + Zeta[3]) + G[0, y]*(G[0, 0, 1 - y, z] + G[0, 1 - y, 0, z] + G[1 - y, 0, 1 - y, z] + G[1 - y, 1 - y, 0, z] + Zeta[3]))/4, B2 -> 0, C2 -> 0, D2 -> (-1/4*I)*Pi + (Pi^2*y*z*(6 - 8*y + 2*y^2 - 8*z + 7*y*z + 2*z^2))/ (72*(-1 + y + z)^4) - (67 - 203*y + 205*y^2 - 69*y^3 - 203*z + 441*y*z - 295*y^2*z + 57*y^3*z + 205*z^2 - 295*y*z^2 + 102*y^2*z^2 - 69*z^3 + 57*y*z^3)/(48*(-1 + y)*(-1 + z)*(-1 + y + z)^2) - (y*(2*y - 8*y^2 + 12*y^3 - 8*y^4 + 2*y^5 - 4*z + 11*y*z - 9*y^2*z + y^3*z + y^4*z + 28*z^2 - 63*y*z^2 + 42*y^2*z^2 - 7*y^3*z^2 - 36*z^3 + 54*y*z^3 - 18*y^2*z^3 + 12*z^4 - 6*y*z^4)*G[0, y])/ (24*(-1 + y)^2*z*(-1 + y + z)^3) + ((z*(4*y - 28*y^2 + 36*y^3 - 12*y^4 - 2*z - 11*y*z + 63*y^2*z - 54*y^3*z + 6*y^4*z + 8*z^2 + 9*y*z^2 - 42*y^2*z^2 + 18*y^3*z^2 - 12*z^3 - y*z^3 + 7*y^2*z^3 + 8*z^4 - y*z^4 - 2*z^5)*G[0, z])/ (y*(-1 + z)^2*(-1 + y + z)^3) + ((y - 2*z)*(2*y - z)*G[1, y])/(y*z) + ((y - 2*z)*(2*y - z)*G[1 - y, z])/(y*z))/24 + ((y*z*(6 - 8*y + 2*y^2 - 8*z + 7*y*z + 2*z^2)*G[0, y]*G[0, z])/ (-1 + y + z)^4 + ((2*y - z)*z*G[0, 1, y])/y^2 + ((-1 + z)^2*z*(2*y - 8*y^2 + 6*y^3 - z + 2*y^2*z + 2*z^2 - 2*y*z^2 - z^3)*G[1, 0, z])/(y^2*(-1 + y + z)^4))/12 + (-((y*(-y + 2*z)*G[0, y]*G[1 - y, z])/z^2) - G[1, y]*(((2*y - z)*z*G[0, z])/y^2 + ((y^4 - 2*y^3*z - 2*y*z^3 + z^4)* G[-y, z])/(y^2*z^2)) - ((2*y - z)*z*G[0, 1 - y, z])/y^2 - (y*z*(6 - 8*y + 2*y^2 - 8*z + 7*y*z + 2*z^2)*G[1, 0, y])/ (-1 + y + z)^4 - ((2*y - z)*z*G[1 - y, 0, z])/y^2 - ((y^4 - 2*y^3*z - 2*y*z^3 + z^4)*G[-y, 1 - y, z])/(y^2*z^2))/12 + Zeta[3], E2 -> ((5*I)/36)*Pi^3 + ((1781 - 5145*y + 4947*y^2 - 1583*y^3 - 5145*z + 12235*y*z - 8205*y^2*z + 1115*y^3*z + 4947*z^2 - 8205*y*z^2 + 3726*y^2*z^2 - 1583*z^3 + 1115*y*z^3)/((-1 + y)*(-1 + z)*(-1 + y + z)^2) + (Pi^2*(205 - 832*y + 1254*y^2 - 832*y^3 + 205*y^4 - 832*z + 2493*y*z - 2490*y^2*z + 829*y^3*z + 1254*z^2 - 2490*y*z^2 + 1446*y^2*z^2 - 832*z^3 + 829*y*z^3 + 205*z^4))/(-1 + y + z)^4)/432 + (-((Pi^2*(-6 + 15*y - 15*y^2 + 4*y^3 + 18*z - 30*y*z + 15*y^2*z - 18*z^2 + 15*y*z^2 + 6*z^3)*G[0, y])/(-1 + y + z)^3) - (Pi^2*(-6 + 18*y - 18*y^2 + 6*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 4*z^3)*G[0, z])/(-1 + y + z)^3)/72 + (-(((198*y^2 - 792*y^3 + 1188*y^4 - 792*y^5 + 198*y^6 + 38*z + 44*y*z - 1051*y^2*z + 2509*y^3*z - 2231*y^4*z + 691*y^5*z - 114*z^2 - 552*y*z^2 + 2763*y^2*z^2 - 3414*y^3*z^2 + 1317*y^4*z^2 + 114*z^3 + 936*y*z^3 - 1512*y^2*z^3 + 462*y^3*z^3 - 38*z^4 - 428*y*z^4 + 232*y^2*z^4)*G[0, y])/((-1 + y)^2*z*(-1 + y + z)^3)) - ((38*y - 114*y^2 + 114*y^3 - 38*y^4 + 44*y*z - 552*y^2*z + 936*y^3*z - 428*y^4*z + 198*z^2 - 1051*y*z^2 + 2763*y^2*z^2 - 1512*y^3*z^2 + 232*y^4*z^2 - 792*z^3 + 2509*y*z^3 - 3414*y^2*z^3 + 462*y^3*z^3 + 1188*z^4 - 2231*y*z^4 + 1317*y^2*z^4 - 792*z^5 + 691*y*z^5 + 198*z^6)*G[0, z])/(y*(-1 + z)^2*(-1 + y + z)^3))/216 - (Pi^2*G[1 - y, z])/9 + (I/36)*((Pi*(20 - 40*y + 20*y^2 - 40*z + 53*y*z + 20*z^2))/ (-1 + y + z)^2 + (Pi*(10 - 20*y + 10*y^2 - 20*z + 23*y*z + 10*z^2)* G[0, y])/(-1 + y + z)^2 + (Pi*(10 - 20*y + 10*y^2 - 20*z + 23*y*z + 10*z^2)*G[0, z])/(-1 + y + z)^2 + (Pi*(10 - 20*y + 10*y^2 - 20*z + 23*y*z + 10*z^2)*G[1, y])/ (-1 + y + z)^2 + (Pi*(10 - 20*y + 10*y^2 - 20*z + 23*y*z + 10*z^2)* G[1 - y, z])/(-1 + y + z)^2) + (((198*y^2 - 396*y^3 + 198*y^4 + 209*y*z - 814*y^2*z + 605*y^3*z + 198*z^2 - 814*y*z^2 + 736*y^2*z^2 - 396*z^3 + 605*y*z^3 + 198*z^4)* G[1, y])/(y*z*(-1 + y + z)^2) + ((198*y^2 - 396*y^3 + 198*y^4 + 209*y*z - 814*y^2*z + 605*y^3*z + 198*z^2 - 814*y*z^2 + 736*y^2*z^2 - 396*z^3 + 605*y*z^3 + 198*z^4)* G[1 - y, z])/(y*z*(-1 + y + z)^2))/216 + (I/6)*(Pi*G[0, 1, y] + Pi*G[1, 0, y]) + (((10*y^2 - 20*y^3 + 10*y^4 - 42*y*z + 64*y^2*z - 19*y^3*z - 33*z^2 + 150*y*z^2 - 107*y^2*z^2 + 66*z^3 - 108*y*z^3 - 33*z^4)*G[0, 1, y])/ (y^2*(-1 + y + z)^2) + ((10 - 46*y + 72*y^2 - 46*y^3 + 10*y^4 - 34*z + 171*y*z - 216*y^2*z + 79*y^3*z + 48*z^2 - 204*y*z^2 + 39*y^2*z^2 - 34*z^3 + 79*y*z^3 + 10*z^4)*G[1, 0, y])/(-1 + y + z)^4 + ((20*y^2 - 74*y^3 + 108*y^4 - 74*y^5 + 20*y^6 - 42*y*z + 82*y^2*z + 42*y^3*z - 162*y^4*z + 80*y^5*z - 33*z^2 + 300*y*z^2 - 570*y^2*z^2 + 294*y^3*z^2 - 96*y^4*z^2 + 132*z^3 - 648*y*z^3 + 814*y^2*z^3 - 262*y^3*z^3 - 198*z^4 + 564*y*z^4 - 346*y^2*z^4 + 132*z^5 - 174*y*z^5 - 33*z^6)*G[1, 0, z])/(y^2*(-1 + y + z)^4))/36 - (I/6)*(G[0, y]*(Pi*G[0, z] + Pi*G[1 - y, z]) + G[1, y]*(Pi*G[0, z] + Pi*G[1 - y, z]) + Pi*G[0, 0, y] + Pi*G[0, 0, z] + Pi*G[0, 1 - y, z] + Pi*G[1, 1, y] + Pi*G[1 - y, 0, z] + Pi*G[1 - y, 1 - y, z]) + (I/3)*(Pi*G[1, y]*G[-y, z] + Pi*G[1, 0, z] + Pi*G[-y, 1 - y, z]) + (-((Pi^2*y*(3 - 3*y + 2*y^2 - 6*z + 3*y*z + 3*z^2)*G[1, z])/ (-1 + y + z)^3) - G[0, y]* (((10 - 40*y + 60*y^2 - 40*y^3 + 10*y^4 - 40*z + 171*y*z - 210*y^2*z + 79*y^3*z + 60*z^2 - 210*y*z^2 + 39*y^2*z^2 - 40*z^3 + 79*y*z^3 + 10*z^4)*G[0, z])/(-1 + y + z)^4 + ((-33*y^2 + 66*y^3 - 33*y^4 - 42*y*z + 150*y^2*z - 108*y^3*z + 10*z^2 + 64*y*z^2 - 107*y^2*z^2 - 20*z^3 - 19*y*z^3 + 10*z^4)* G[1 - y, z])/(z^2*(-1 + y + z)^2)) - G[1, y]*((Pi^2*(-4 + 12*y - 12*y^2 + 4*y^3 + 15*z - 30*y*z + 15*y^2*z - 15*z^2 + 15*y*z^2 + 6*z^3))/(-1 + y + z)^3 + ((10*y^2 - 20*y^3 + 10*y^4 - 42*y*z + 64*y^2*z - 19*y^3*z - 33*z^2 + 150*y*z^2 - 107*y^2*z^2 + 66*z^3 - 108*y*z^3 - 33*z^4)*G[0, z])/ (y^2*(-1 + y + z)^2) + ((10 - 20*y + 10*y^2 - 20*z + 23*y*z + 10*z^2)*G[1 - y, z])/(-1 + y + z)^2 + ((33*y^4 - 66*y^5 + 33*y^6 + 42*y^3*z - 150*y^4*z + 108*y^5*z - 20*y^2*z^2 - 44*y^3*z^2 + 97*y^4*z^2 + 42*y*z^3 - 44*y^2*z^3 + 38*y^3*z^3 + 33*z^4 - 150*y*z^4 + 97*y^2*z^4 - 66*z^5 + 108*y*z^5 + 33*z^6)*G[-y, z])/(y^2*z^2*(-1 + y + z)^2)) - ((10 - 20*y + 10*y^2 - 20*z + 23*y*z + 10*z^2)*G[0, 0, y])/ (-1 + y + z)^2 - ((10 - 20*y + 10*y^2 - 20*z + 23*y*z + 10*z^2)* G[0, 0, z])/(-1 + y + z)^2 - ((10*y^2 - 20*y^3 + 10*y^4 - 42*y*z + 64*y^2*z - 19*y^3*z - 33*z^2 + 150*y*z^2 - 107*y^2*z^2 + 66*z^3 - 108*y*z^3 - 33*z^4)* G[0, 1 - y, z])/(y^2*(-1 + y + z)^2) - ((10 - 20*y + 10*y^2 - 20*z + 23*y*z + 10*z^2)*G[1, 1, y])/ (-1 + y + z)^2 - ((10*y^2 - 20*y^3 + 10*y^4 - 42*y*z + 64*y^2*z - 19*y^3*z - 33*z^2 + 150*y*z^2 - 107*y^2*z^2 + 66*z^3 - 108*y*z^3 - 33*z^4)*G[1 - y, 0, z])/(y^2*(-1 + y + z)^2) - ((10 - 20*y + 10*y^2 - 20*z + 23*y*z + 10*z^2)*G[1 - y, 1 - y, z])/ (-1 + y + z)^2 - ((33*y^4 - 66*y^5 + 33*y^6 + 42*y^3*z - 150*y^4*z + 108*y^5*z - 20*y^2*z^2 - 44*y^3*z^2 + 97*y^4*z^2 + 42*y*z^3 - 44*y^2*z^3 + 38*y^3*z^3 + 33*z^4 - 150*y*z^4 + 97*y^2*z^4 - 66*z^5 + 108*y*z^5 + 33*z^6)*G[-y, 1 - y, z])/(y^2*z^2*(-1 + y + z)^2))/36 + (-(((-2 + 6*y - 6*y^2 + 2*y^3 + 9*z - 18*y*z + 9*y^2*z - 9*z^2 + 9*y*z^2 + 4*z^3)*G[0, z]*G[1, 0, y])/(-1 + y + z)^3) - ((-4 + 9*y - 9*y^2 + 2*y^3 + 12*z - 18*y*z + 9*y^2*z - 12*z^2 + 9*y*z^2 + 4*z^3)*G[0, 1, 0, y])/(-1 + y + z)^3 - ((-8 + 24*y - 24*y^2 + 8*y^3 + 21*z - 42*y*z + 21*y^2*z - 21*z^2 + 21*y*z^2 + 6*z^3)*G[0, 1, 0, z])/(-1 + y + z)^3)/12 + (-(G[0, z]*G[0, 1, y]) - G[1 - y, z]*G[0, 1, y] - G[-y, z]*G[0, 1, y] - G[0, 1, 1, y] - G[1, 0, 0, y] - G[1, 0, 1, y])/6 + (G[0, z]*G[0, 0, y] + G[1 - y, z]*G[0, 0, y] + G[1, y]*G[0, -y, z] + (G[1 - y, z] + G[-y, z])*G[1, 0, y] + (G[0, z] + G[1 - y, z])* G[1, 1, y] + G[0, y]*(G[0, 0, z] + G[1 - y, 1 - y, z]) + G[1, y]*(G[0, 0, z] + G[0, 1 - y, z] + G[1 - y, 0, z] + G[1 - y, 1 - y, z]) + G[1, y]*G[-y, 0, z] + G[0, y]*G[-y, 1 - y, z] + G[0, 0, 0, y] + G[0, 0, 0, z] + G[0, 0, 1, y] + G[0, 0, 1 - y, z] + G[0, 1 - y, 0, z] + G[0, 1 - y, 1 - y, z] + G[0, -y, 1 - y, z] + ((-1 + 3*y - 3*y^2 + y^3 + 6*z - 12*y*z + 6*y^2*z - 6*z^2 + 6*y*z^2 + 3*z^3)*G[1, 1, 0, y])/(-1 + y + z)^3 + (y*(3 - 3*y + 2*y^2 - 6*z + 3*y*z + 3*z^2)*G[1, 1, 0, z])/ (-1 + y + z)^3 + G[1, 1, 1, y] + G[1 - y, 0, 0, z] + G[1 - y, 0, 1 - y, z] + G[1 - y, 1 - y, 0, z] + G[1 - y, 1 - y, 1 - y, z] + G[-y, 0, 1 - y, z] + G[-y, 1 - y, 0, z])/ 6 + (-(G[-y, z]*G[1, 1, y]) - G[0, y]*(G[0, 1 - y, z] + G[1 - y, 0, z]) - G[1, y]*G[1 - y, -y, z] - G[1, y]*G[-y, 1 - y, z] - G[1, y]*G[-y, -y, z] - G[1, 0, 0, z] - G[1 - y, -y, 1 - y, z] - G[-y, 1 - y, 1 - y, z] - G[-y, -y, 1 - y, z])/3 + (((-1 + z)*(2 - 3*y + 3*y^2 - 4*z + 3*y*z + 2*z^2)*G[0, y]*G[1, 0, z])/ (-1 + y + z)^3 + ((-9 + 21*y - 21*y^2 + 5*y^3 + 21*z - 30*y*z + 15*y^2*z - 21*z^2 + 15*y*z^2 + 5*z^3)*Zeta[3])/(-1 + y + z)^3)/12, F2 -> (-5*y*z)/(54*(-1 + y + z)^2) - ((I/18)*Pi*y*z)/(-1 + y + z)^2 + ((y*z*G[1, y])/(-1 + y + z)^2 + (y*z*G[1 - y, z])/(-1 + y + z)^2)/18}}