double complex function Fcc_qpgmgpqm(j1,j2,j3,j4,j5,j6,za,zb) 
      implicit none
      integer j1,j2,j3,j4,j5,j6
      include 'constants.f'
      include 'zprods_decl.f'
      include 'sprods_com.f'
      double complex L0,Lsm1,Lsm1_2mh,Lnrat,I3m
      double precision t  

      Fcc_qpgmgpqm=
     .(2d0*L0(-t(j2,j3,j4),-s(j5,j6))*za(j1,j5)*zb(j1,j3)*
     .(za(j1,j2)*zb(j2,j3)-za(j1,j4)*zb(j3,j4))*
     .(-(za(j2,j5)*zb(j2,j3))+za(j4,j5)*zb(j3,j4)))/
     .(s(j5,j6)*za(j5,j6)*zb(j2,j3)*
     .(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4)))-
     .(2d0*L0(-t(j1,j2,j3),-s(j5,j6))*za(j2,j4)*
     .(-(za(j1,j2)*zb(j1,j4))+za(j2,j3)*zb(j3,j4))*
     .(-(za(j1,j2)*zb(j1,j6))+za(j2,j3)*zb(j3,j6))*zb(j4,j6))/
     .(s(j5,j6)*za(j2,j3)*(-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4))*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4))*zb(j5,j6))+
     .Lsm1(-s(j1,j2),-t(j1,j2,j3),-s(j2,j3),-t(j1,j2,j3))*
     .((za(j4,j5)**2*zb(j1,j3)**3)/
     .(za(j5,j6)*zb(j1,j2)*(za(j2,j4)*zb(j1,j2)+za(j3,j4)*zb(j1,j3))*
     .zb(j2,j3)*t(j1,j2,j3))+
     .(za(j1,j2)**3*(-(za(j1,j3)*zb(j1,j6))-za(j2,j3)*zb(j2,j6))**2)/
     .(za(j1,j3)**3*za(j2,j3)*(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4))*
     .zb(j5,j6)*t(j1,j2,j3))-
     .(za(j1,j2)*za(j2,j3)*(za(j1,j2)*zb(j2,j6)+za(j1,j3)*zb(j3,j6))**2)
     ./
     .(za(j1,j3)**3*(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4))*zb(j5,j6)*
     .t(j1,j2,j3)))+(2d0*za(j1,j2)*zb(j1,j3)*
     .(-(za(j1,j2)*zb(j1,j6))+za(j2,j3)*zb(j3,j6))*
     .((L0(-t(j1,j2,j3),-s(j1,j2))*
     .(-(za(j1,j3)*zb(j1,j6))-za(j2,j3)*zb(j2,j6)))/
     .(s(j1,j2)*(-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4)))+
     .(L0(-t(j1,j2,j3),-s(j2,j3))*
     .(za(j1,j2)*zb(j2,j6)+za(j1,j3)*zb(j3,j6)))/
     .(s(j2,j3)*(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4)))))/
     .(za(j1,j3)*zb(j5,j6)*t(j1,j2,j3))
     
      Fcc_qpgmgpqm=Fcc_qpgmgpqm+
     .Lsm1_2mh(s(j3,j4),t(j1,j2,j3),s(j1,j2),s(j5,j6))*
     .((za(j4,j5)**2*zb(j1,j3)**3)/
     .(za(j5,j6)*zb(j1,j2)*(za(j2,j4)*zb(j1,j2)+za(j3,j4)*zb(j1,j3))*
     .zb(j2,j3)*t(j1,j2,j3))+
     .((-(za(j1,j3)*zb(j1,j6))-za(j2,j3)*zb(j2,j6))**2*
     .(-(za(j1,j2)*zb(j1,j4))+za(j2,j3)*zb(j3,j4))**3)/
     .(za(j2,j3)*(-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4))**3*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4))*zb(j5,j6)*t(j1,j2,j3))-
     .(za(j2,j3)*(-(za(j1,j2)*zb(j1,j4))+za(j2,j3)*zb(j3,j4))*zb(j4,j6)*
     .*2*
     .t(j1,j2,j3))/
     .((-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4))**3*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4))*zb(j5,j6)))+
     .(I3m(s(j1,j2),s(j3,j4),s(j5,j6))*zb(j1,j3)*
     .(s(j5,j6)*za(j2,j4)*(2d0*za(j1,j2)*za(j3,j5)*zb(j2,j6)*zb(j3,j4)+
     .(-s(j1,j2)-s(j3,j4)+s(j5,j6))*za(j1,j5)*zb(j4,j6))+
     .2d0*za(j1,j2)*za(j1,j5)*za(j4,j5)*
     .((-s(j1,j2)-s(j3,j4)+s(j5,j6))*zb(j1,j4)-
     .2d0*za(j2,j3)*zb(j1,j2)*zb(j3,j4))*zb(j5,j6)-
     .2d0*za(j1,j2)*za(j2,j5)*zb(j2,j6)*
     .(s(j5,j6)*(-s(j1,j2)-s(j3,j4)+s(j5,j6))+
     .(s(j1,j2)-s(j3,j4)-s(j5,j6))*t(j1,j2,j3))))/
     .((s(j1,j2)**2-2d0*s(j1,j2)*s(j3,j4)+s(j3,j4)**2-2d0*s(j1,j2)*s(j5,
     .j6)-
     .2d0*s(j3,j4)*s(j5,j6)+s(j5,j6)**2)*
     .(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))*
     .(-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4)))+
     .(2d0*Lnrat(-s(j1,j2),-s(j5,j6))*(-2d0*(s(j1,j4)-s(j2,j3))*za(j1,j2
     .)*zb(j1,j3)*
     .(-(za(j1,j5)*zb(j1,j6))-za(j2,j5)*zb(j2,j6))-
     .(za(j2,j4)*zb(j1,j6)*((s(j1,j4)-s(j2,j3))*
     .((s(j1,j2)-s(j3,j4)-s(j5,j6))*za(j1,j2)*zb(j2,j6)-
     .(-s(j1,j2)-s(j3,j4)+s(j5,j6))*za(j1,j5)*zb(j5,j6))+
     .(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))*
     .(-((s(j1,j2)-s(j3,j4)-s(j5,j6))*za(j1,j2)*zb(j1,j6))-
     .(-s(j1,j2)-s(j3,j4)+s(j5,j6))*za(j2,j5)*zb(j5,j6))))/
     .(za(j3,j4)*zb(j5,j6))+
     .(zb(j1,j3)*(-(za(j1,j2)*
     .(za(j3,j5)*zb(j1,j3)+za(j4,j5)*zb(j1,j4)))-
     .za(j2,j3)*(-(za(j1,j5)*zb(j1,j3))-za(j2,j5)*zb(j2,j3))-
     .za(j2,j4)*(-(za(j1,j5)*zb(j1,j4))-za(j2,j5)*zb(j2,j4)))*
     .(-(za(j1,j2)*za(j5,j6)*zb(j2,j6))+za(j1,j5)*t(j1,j2,j4)))/
     .za(j5,j6)))/
     .((s(j1,j2)**2-2d0*s(j1,j2)*s(j3,j4)+s(j3,j4)**2-2d0*s(j1,j2)*s(j5,
     .j6)-
     .2d0*s(j3,j4)*s(j5,j6)+s(j5,j6)**2)*
     .(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))*
     .(-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4)))
     
      Fcc_qpgmgpqm=Fcc_qpgmgpqm+
     .(2d0*Lnrat(-s(j3,j4),-s(j5,j6))*(-2d0*(s(j1,j4)-s(j2,j3))*za(j2,j4
     .)*zb(j3,j4)*
     .(-(za(j3,j5)*zb(j3,j6))-za(j4,j5)*zb(j4,j6))+
     .(za(j4,j5)*zb(j1,j3)*((-(za(j1,j3)*zb(j1,j4))-
     .za(j2,j3)*zb(j2,j4))*
     .((-s(j1,j2)+s(j3,j4)-s(j5,j6))*za(j4,j5)*zb(j3,j4)+
     .(-s(j1,j2)-s(j3,j4)+s(j5,j6))*za(j5,j6)*zb(j3,j6))+
     .(s(j1,j4)-s(j2,j3))*
     .(-((-s(j1,j2)+s(j3,j4)-s(j5,j6))*za(j3,j5)*zb(j3,j4))+
     .(-s(j1,j2)-s(j3,j4)+s(j5,j6))*za(j5,j6)*zb(j4,j6))))/
     .(za(j5,j6)*zb(j1,j2))+
     .(za(j2,j4)*((-(za(j1,j4)*zb(j1,j6))-za(j2,j4)*zb(j2,j6))*
     .zb(j3,j4)+zb(j1,j3)*
     .(za(j1,j3)*zb(j3,j6)+za(j1,j4)*zb(j4,j6))+
     .zb(j2,j3)*(za(j2,j3)*zb(j3,j6)+za(j2,j4)*zb(j4,j6)))*
     .(-(za(j3,j5)*zb(j3,j4)*zb(j5,j6))+zb(j4,j6)*t(j1,j3,j4)))/
     .zb(j5,j6)))/
     .((s(j1,j2)**2-2d0*s(j1,j2)*s(j3,j4)+s(j3,j4)**2-2d0*s(j1,j2)*s(j5,
     .j6)-
     .2d0*s(j3,j4)*s(j5,j6)+s(j5,j6)**2)*
     .(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))*
     .(-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4)))+
     .Lsm1(-s(j3,j4),-t(j2,j3,j4),-s(j2,j3),-t(j2,j3,j4))*
     .(((za(j3,j5)*zb(j2,j3)+za(j4,j5)*zb(j2,j4))**2*zb(j3,j4)**3)/
     .(za(j5,j6)*zb(j2,j3)*zb(j2,j4)**3*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4))*t(j2,j3,j4))-
     .(zb(j2,j3)*zb(j3,j4)*(-(za(j2,j5)*zb(j2,j4))-za(j3,j5)*zb(j3,j4))*
     .*
     .2)/(za(j5,j6)*zb(j2,j4)**3*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4))*t(j2,j3,j4))+
     .(za(j2,j4)**3*zb(j1,j6)**2)/
     .(za(j2,j3)*za(j3,j4)*(za(j2,j4)*zb(j1,j2)+za(j3,j4)*zb(j1,j3))*
     .zb(j5,j6)*t(j2,j3,j4)))+
     .(2d0*za(j2,j4)*zb(j3,j4)*(-(za(j2,j5)*zb(j2,j3))+za(j4,j5)*zb(j3,j
     .4))*
     .((L0(-t(j2,j3,j4),-s(j3,j4))*
     .(za(j3,j5)*zb(j2,j3)+za(j4,j5)*zb(j2,j4)))/
     .(s(j3,j4)*(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4)))+
     .(L0(-t(j2,j3,j4),-s(j2,j3))*
     .(-(za(j2,j5)*zb(j2,j4))-za(j3,j5)*zb(j3,j4)))/
     .(s(j2,j3)*(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4)))))/
     .(za(j5,j6)*zb(j2,j4)*t(j2,j3,j4))

      Fcc_qpgmgpqm=Fcc_qpgmgpqm+
     .Lsm1_2mh(s(j1,j2),t(j2,j3,j4),s(j3,j4),s(j5,j6))*
     .(((za(j3,j5)*zb(j2,j3)+za(j4,j5)*zb(j2,j4))**2*
     .(za(j1,j2)*zb(j2,j3)-za(j1,j4)*zb(j3,j4))**3)/
     .(za(j5,j6)*zb(j2,j3)*(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))*
     .*
     .3d0*(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4))*t(j2,j3,j4))+
     .(za(j2,j4)**3*zb(j1,j6)**2)/
     .(za(j2,j3)*za(j3,j4)*(za(j2,j4)*zb(j1,j2)+za(j3,j4)*zb(j1,j3))*
     .zb(j5,j6)*t(j2,j3,j4))-
     .(za(j1,j5)**2*zb(j2,j3)*(za(j1,j2)*zb(j2,j3)-za(j1,j4)*zb(j3,j4))*
     .t(j2,j3,j4))/
     .(za(j5,j6)*(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))**3*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4))))+
     .I3m(s(j3,j4),s(j1,j2),s(j5,j6))*
     .(((za(j1,j5)*za(j4,j5)*zb(j1,j3)*
     .(-(za(j1,j2)*zb(j1,j2))-za(j1,j3)*zb(j1,j3)-
     .za(j1,j4)*zb(j1,j4))*
     .(-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4))*zb(j3,j4))/
     .(za(j5,j6)*zb(j1,j2))-
     .(s(j1,j4)*(-s(j1,j2)-s(j3,j4)+s(j5,j6))*za(j4,j5)*zb(j1,j6)*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4)))/
     .(2d0*za(j3,j4)*zb(j1,j2))+
     .(za(j1,j5)*za(j2,j5)*zb(j1,j3)*
     .(-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4))*
     .(za(j1,j2)*zb(j2,j3)-za(j1,j4)*zb(j3,j4)))/za(j5,j6)+
     .za(j1,j2)*za(j1,j3)*za(j4,j5)*zb(j1,j4)*zb(j3,j4)*zb(j3,j6)+
     .((s(j1,j4)-s(j2,j3))*za(j1,j2)*zb(j3,j4)*
     .(-(za(j2,j5)*zb(j2,j6))-za(j3,j5)*zb(j3,j6)))/2+
     .(za(j1,j2)*za(j1,j5)*za(j4,j5)*zb(j1,j4)**2*zb(j2,j3)*zb(j5,j6))/
     .zb(j1,j2)+za(j1,j2)*zb(j2,j3)*zb(j4,j6)*
     .(za(j1,j2)*(za(j2,j5)*zb(j1,j2)+za(j4,j5)*zb(j1,j4))+
     .za(j2,j5)*t(j1,j2,j3)))/
     .(2d0*(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))*
     .(-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4))*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4)))-
     .(2d0*za(j1,j5)*za(j2,j4)*zb(j1,j6)*zb(j3,j4)*
     .(za(j1,j2)*zb(j2,j3)-za(j1,j4)*zb(j3,j4)))/
     .((-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4))*t(j2,j3,j4))-
     .((((za(j1,j2)*zb(j2,j3)-za(j1,j4)*zb(j3,j4))*
     .(-(za(j2,j5)*zb(j2,j3))+za(j4,j5)*zb(j3,j4))**2)/
     .(za(j5,j6)*zb(j2,j3)*
     .(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4)))+
     .(za(j2,j4)**3*zb(j1,j6)**2)/
     .(za(j2,j3)*za(j3,j4)*
     .(za(j2,j4)*zb(j1,j2)+za(j3,j4)*zb(j1,j3))*zb(j5,j6)))*
     .(2d0*s(j3,j4)*s(j5,j6)+(s(j1,j2)-s(j3,j4)-s(j5,j6))*t(j2,j3,j4)))/
     .(2d0*t(j2,j3,j4)**2))
     
      Fcc_qpgmgpqm=Fcc_qpgmgpqm
     .-(I3m(s(j3,j4),s(j1,j2),s(j5,j6))*za(j2,j4)*
     .(2d0*za(j5,j6)*zb(j1,j6)*(-((-s(j1,j2)-s(j3,j4)+s(j5,j6))*
     .za(j1,j4))+2d0*za(j1,j2)*za(j3,j4)*zb(j2,j3))*zb(j3,j4)*
     .zb(j4,j6)-s(j5,j6)*zb(j1,j3)*
     .(2d0*za(j1,j2)*za(j3,j5)*zb(j2,j6)*zb(j3,j4)+
     .(-s(j1,j2)-s(j3,j4)+s(j5,j6))*za(j1,j5)*zb(j4,j6))+
     .2d0*za(j3,j5)*zb(j3,j4)*zb(j3,j6)*
     .(s(j5,j6)*(-s(j1,j2)-s(j3,j4)+s(j5,j6))+
     .(-s(j1,j2)+s(j3,j4)-s(j5,j6))*t(j2,j3,j4))))/
     .((s(j1,j2)**2-2d0*s(j1,j2)*s(j3,j4)+s(j3,j4)**2-2d0*s(j1,j2)*s(j5,
     .j6)-
     .2d0*s(j3,j4)*s(j5,j6)+s(j5,j6)**2)*
     .(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))*
     .(-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4)))+
     .I3m(s(j1,j2),s(j3,j4),s(j5,j6))*
     .((-2d0*za(j1,j2)*za(j4,j5)*zb(j1,j3)*
     .(-(za(j1,j2)*zb(j1,j4))+za(j2,j3)*zb(j3,j4))*zb(j4,j6))/
     .((-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4))*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4))*t(j1,j2,j3))-
     .(((za(j4,j5)**2*zb(j1,j3)**3)/
     .(za(j5,j6)*zb(j1,j2)*
     .(za(j2,j4)*zb(j1,j2)+za(j3,j4)*zb(j1,j3))*zb(j2,j3))+
     .((-(za(j1,j2)*zb(j1,j4))+za(j2,j3)*zb(j3,j4))*
     .(-(za(j1,j2)*zb(j1,j6))+za(j2,j3)*zb(j3,j6))**2)/
     .(za(j2,j3)*(-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4))*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4))*zb(j5,j6)))*
     .(2d0*s(j1,j2)*s(j5,j6)+(-s(j1,j2)+s(j3,j4)-s(j5,j6))*t(j1,j2,j3)))
     ./
     .(2d0*t(j1,j2,j3)**2)+(za(j1,j2)*za(j1,j4)*za(j2,j5)*zb(j1,j6)*
     .zb(j2,j4)*zb(j3,j4)-
     .(s(j1,j4)*(-s(j1,j2)-s(j3,j4)+s(j5,j6))*za(j4,j5)*zb(j1,j6)*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4)))/
     .(2d0*za(j3,j4)*zb(j1,j2))+
     .((s(j1,j4)-s(j2,j3))*za(j1,j2)*zb(j3,j4)*
     .(-(za(j2,j5)*zb(j2,j6))-za(j3,j5)*zb(j3,j6)))/2+
     .(za(j1,j4)**2*za(j2,j3)*za(j5,j6)*zb(j1,j6)*zb(j3,j4)*zb(j4,j6))/
     .za(j3,j4)+(za(j1,j2)*za(j2,j4)*zb(j1,j6)*
     .(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))*
     .(-(za(j1,j4)*zb(j1,j4))-za(j2,j4)*zb(j2,j4)-
     .za(j3,j4)*zb(j3,j4))*zb(j4,j6))/(za(j3,j4)*zb(j5,j6))+
     .(za(j2,j4)*(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))*
     .(-(za(j1,j2)*zb(j1,j4))+za(j2,j3)*zb(j3,j4))*zb(j3,j6)*
     .zb(j4,j6))/zb(j5,j6)+
     .za(j1,j5)*za(j2,j3)*zb(j3,j4)*
     .(-(zb(j3,j4)*(-(za(j1,j4)*zb(j1,j6))-za(j3,j4)*zb(j3,j6)))+
     .zb(j3,j6)*t(j2,j3,j4)))/
     .(2d0*(-(za(j1,j3)*zb(j2,j3))-za(j1,j4)*zb(j2,j4))*
     .(-(za(j1,j3)*zb(j1,j4))-za(j2,j3)*zb(j2,j4))*
     .(za(j1,j2)*zb(j2,j4)+za(j1,j3)*zb(j3,j4))))

      return
      end