subroutine runC_iiiii(j,i1,i2,i3,i4,i5,DetGr,Xtwiddle0,
     . Gtwiddle,Shat6,N0)
      implicit none
C---Fixes Ciiiii according to extension of Denner-Dittmaier
c---knowing C00iiii with a correction of order Delta*Diiiiii
      include 'lib/TensorReduction/Include/types.f'
      include 'lib/TensorReduction/Include/pvCnames.f'
      include 'lib/TensorReduction/Include/pvCv.f'
      include 'lib/TensorReduction/recur/Include/Carraydef.f'
      include 'lib/TensorReduction/recur/Include/Carrays.f'
      integer ep,N0,j,i1,i2,i3,i4,i5,n,np
      parameter(np=2)
      real(dp):: DetGr,Xtwiddle0(np),Gtwiddle(np,np)
      complex(dp):: Shat6(np,z5max,-2:0),Shat6s(np,z5max,-2:0)
       

      do ep=-2,0
      do n=1,np
      Shat6s(n,z5(i1,i2,i3,i4,i5),ep)=Shat6(n,z5(i1,i2,i3,i4,i5),ep)
     .   -2d0*(delta(n,i1)*Cv(N0+czziiii(z4(i2,i3,i4,i5)),ep)
     .        +delta(n,i2)*Cv(N0+czziiii(z4(i1,i3,i4,i5)),ep)
     .        +delta(n,i3)*Cv(N0+czziiii(z4(i1,i2,i4,i5)),ep)
     .        +delta(n,i4)*Cv(N0+czziiii(z4(i1,i2,i3,i5)),ep)
     .        +delta(n,i5)*Cv(N0+czziiii(z4(i1,i2,i3,i4)),ep))
      enddo 

      Cv(ciiiii(z5(i1,i2,i3,i4,i5))+N0,ep)=-(
     . +Gtwiddle(j,1)*Shat6s(1,z5(i1,i2,i3,i4,i5),ep)
     . +Gtwiddle(j,2)*Shat6s(2,z5(i1,i2,i3,i4,i5),ep)
     . -DetGr*Cv(ciiiiii(z6(j,i1,i2,i3,i4,i5))+N0,ep))
     . /Xtwiddle0(j)

c      write(6,*) 'Ciiiii ',i1,i2,i3,i4,i5,ep,
c     . +Gtwiddle(j,1)*Shat6s(1,z5(i1,i2,i3,i4,i5),ep)/Xtwiddle0(j)
c      write(6,*) 'Ciiiii ',i1,i2,i3,i4,i5,ep,
c     . +Gtwiddle(j,2)*Shat6s(2,z5(i1,i2,i3,i4,i5),ep)/Xtwiddle0(j)
c      write(6,*) 'Ciiiii ',i1,i2,i3,i4,i5,ep,
c     . -DetGr*Cv(ciiiiii(z6(j,i1,i2,i3,i4,i5))+N0,ep)/Xtwiddle0(j)
     
      enddo

      return
      end