*FORM by J.Vermaseren,version 3.1(Oct 17 2002) Run at: Thu Jan 19 13:51:54 2006
*    * This FORM code processes the result produced by the (PQint) code:
*    * Simplifications and sums over sea and valence quark indices are
*    * implemented. Includes the possiblilty of producing output intended for
*    * fortran functions and LaTeX.
*    
*    **************************************************************************
*    * comp 1 : Simplification of the pseudoscalar meson mass to NNLO
*    * comp 2 : Simplification of the pseudoscalar meson decay constant to NNLO
*    
*    #define comp "1"
*    #define nfl "3"
*    
*    * The parameters (mode) and (type) select the values of (dval) and (dsea),
*    * according to the tables below:
*    
*    * nfl = 2:
*    * dval + dsea     Mode  Type
*    *****************************
*    *    1 + 1         1     1
*    *    1 + 2         2     1
*    *    2 + 1         4     1
*    *    2 + 2         5     1
*    
*    * nfl = 3:
*    * dval + dsea     Mode  Type
*    *****************************
*    *    1 + 1         2     1
*    *    1 + 2         4     1
*    *    1 + 3         5     1
*    *    2 + 1         2     2
*    *    2 + 2         4     2
*    *    2 + 3         5     2
*    
*    #define mode "5"
*    #define type "2"
*    
*    #define pout "1"
*    #define nsim "0"
*    
*    #-
* Sigma2 loaded
* Sigma4 loaded
* Sigma6 loaded
*
*Time =       7.33 sec    Generated terms =          1
*             M0p2        Terms in output =          1
*                         Bytes used      =         24
*
*Time =       7.33 sec    Generated terms =          6
*             M0p4        Terms in output =          6
*                         Bytes used      =        258
*
*Time =       7.33 sec    Generated terms =        391
*             M0p6        Terms in output =        391
*                         Bytes used      =      18188

L   M0p2timo23 =
       + X13
         ;

L   M0p4timo23 =

       + F0^-2*L4r * (
          - 24*Xb(1)*X13
          )

       + F0^-2*L5r * (
          - 8*X13^2
          )

       + F0^-2*L6r * (
          + 48*Xb(1)*X13
          )

       + F0^-2*L8r * (
          + 16*X13^2
          )

       + Ab(Xpp)*F0^-2 * (
          - 1/3*R(Xpp,Xqq,Xp0,Xe0)*X13
          )

       + Ab(Xn1)*F0^-2 * (
          - 1/3*R(Xn1,Xn2,X11,X33)*X13
          );

L   M0p6timo23 =

       + F0^-4*pi16*L0r * (
          - 8/9*Xp0*Xe0*X13
          + X11*X13*X33
          - 2*X13^3
          + 26/3*Xb(1)*X13^2
          + 35/9*Xb(2)*X13
          )

       + F0^-4*pi16*L1r * (
          + 4*X13^3
          )

       + F0^-4*pi16*L2r * (
          + 22/3*Xp0*Xe0*X13
          + 2*X13^3
          + 26/3*Xb(2)*X13
          )

       + F0^-4*pi16*L3r * (
          - 8/9*Xp0*Xe0*X13
          + 7/6*X11*X13*X33
          - 11/3*X13^3
          + 17/3*Xb(1)*X13^2
          + 43/18*Xb(2)*X13
          )

       + F0^-4*pi16^2 * (
          + 15/32*Xp0*Xe0*X13
          + 59/192*X11*X13*X33
          - 77/192*X13^3
          + 15/32*Xb(1)*X13^2
          + 43/64*Xb(2)*X13
          )

       + F0^-4*L4r*L5r * (
          + 384*Xb(1)*X13^2
          )

       + F0^-4*L4r*L6r * (
          - 1152*Xb(1)^2*X13
          )

       + F0^-4*L4r*L8r * (
          - 384*Xb(1)*X13^2
          )

       + F0^-4*L4r^2 * (
          + 576*Xb(1)^2*X13
          )

       + F0^-4*L5r*L6r * (
          - 384*Xb(1)*X13^2
          )

       + F0^-4*L5r*L8r * (
          - 128*X13^3
          )

       + F0^-4*L5r^2 * (
          + 64*X13^3
          )

       + F0^-4*K17r * (
          - 32*X13^3
          )

       + F0^-4*K18r * (
          - 96*Xb(1)*X13^2
          )

       + F0^-4*K19r * (
          - 8*Xpp^2*X13
          )

       + F0^-4*K20r * (
          - 48*Xb(1)*X13^2
          )

       + F0^-4*K21r * (
          - 48*Xb(2)*X13
          )

       + F0^-4*K22r * (
          - 144*Xb(1)^2*X13
          )

       + F0^-4*K23r * (
          - 16*X11*X13*X33
          )

       + F0^-4*K25r * (
          + 24*Xpp^2*X13
          )

       + F0^-4*K26r * (
          + 96*Xb(1)*X13^2
          + 48*Xb(2)*X13
          )

       + F0^-4*K27r * (
          + 432*Xb(1)^2*X13
          )

       + F0^-4*K39r * (
          + 32*X13^3
          )

       + F0^-4*K40r * (
          + 96*Xb(1)*X13^2
          )

       + Ab(Xpp)*F0^-4*pi16 * (
          + 1/4*Xb(1)*R(Xpp,Xqq,Xp0,Xe0)*X13
          - 1/8*Xb(1)*RC(Xpp)*X13
          + 1/12*R(Xpp,Xqq,Xp0,Xe0)*X13^2
          - 1/24*RC(Xpp)*Xqq*X13
          )

       + Ab(Xpp)*F0^-4*L0r * (
          - 16/3*R(Xpp,Xqq,Xp0,Xe0)*Xpp*X13
          - 4/3*RC(Xpp)*Xpp*X13
          - 4/3*RD(Xpp)*X13
          )

       + Ab(Xpp)*F0^-4*L3r * (
          - 4/3*R(Xpp,Xqq,Xp0,Xe0)*Xpp*X13
          - 10/3*RC(Xpp)*Xpp*X13
          - 10/3*RD(Xpp)*X13
          )

       + Ab(Xpp)*F0^-4*L4r * (
          + 16*Xb(1)*R(Xpp,Xqq,Xp0,Xe0)*X13
          )

       + Ab(Xpp)*F0^-4*L5r * (
          + 16/3*R(Xpp,Xqq,Xp0,Xe0)*Xpp*X13
          + 8/3*RC(Xpp)*Xpp*X13
          )

       + Ab(Xpp)*F0^-4*L6r * (
          - 16*Xb(1)*R(Xpp,Xqq,Xp0,Xe0)*X13
          )

       + Ab(Xpp)*F0^-4*L7r * (
          + 32/3*RD(Xpp)*Xpp
          + 16/3*RD(Xpp)*Xqq
          - 8/3*RD(Xpp)^2
          )

       + Ab(Xpp)*F0^-4*L8r * (
          - 32/9*R(Xpp,Xqq,Xp0,Xe0)*X11*X33
          - 64/9*R(Xpp,Xqq,Xp0,Xe0)*X13^2
          - 16/3*RC(Xpp)*Xpp*X13
          - 8/9*RD(Xpp)^2
          )

       + Ab(Xpp)^2*F0^-4 * (
          + 1/8*X13
          + 1/18*R(Xpp,Xqq,Xp0,Xe0)^2*X13
          + 1/54*R(Xpp,Xqq,Xp0,Xe0)*RC(Xpp)*Xpp
          - 1/54*RC(Xpp)^2*Xpp
          + 1/72*RC(Xpp)^2*X13
          )

       + Ab(Xpp)*Ab(Xps)*F0^-4 * (
          + 1/72*R(Xpp,Xqq,Xp0,Xe0)*Xpp
          + 19/216*R(Xpp,Xqq,Xp0,Xe0)*Xqq
          - 5/216*R(Xpp,Xss,Xp0,Xe0)*Xpp
          - 1/24*R(Xpp,Xss,Xp0,Xe0)*Xqq
          + 1/27*RC(Xpp)*Xpp
          )

       + Ab(Xpp)*Ab(Xqs)*F0^-4 * (
          + 1/18*R(Xpp,Xqq,Xp0,Xe0)*Xqq
          - 1/72*R(Xpp,Xss,Xp0,Xe0)*RS(Xqq,Xss,Xpp)*Xpp
          + 1/216*R(Xpp,Xss,Xp0,Xe0)*RS(Xqq,Xss,Xpp)*Xqq
          + 1/12*RC(Xpp)*X13
          )

       + Ab(Xpp)*Ab(Xn1)*F0^-4 * (
          - 1/27*R(Xpp,Xqq,Xn1,Xn2)*R(Xn1,Xn2,Xqq,Xqq)*Xpp
          + 1/9*R(Xpp,Xqq,Xn1,Xn2)*R(Xn1,Xn2,X11,X33)*Xpp
          + 1/27*R(Xpp,Xqq,Xn1,Xn2)*R(Xn1,Xn2,X11,X33)*Xqq
          + 1/27*R(Xpp,Xqq,Xn1,Xn2)*RV(Xn1,Xn2,X11,X33)*Xpp
          - 1/54*R(Xpp,Xqq,Xn1,Xn2)*RV(Xn1,Xn2,X11,X33)*Xn1
          + 1/162*R(Xpp,Xss,Xn1,Xn2)^2*R(Xn1,Xn2,Xss,Xss)*Xss
          - 1/54*R(Xn1,Xn2,Xqq,Xqq)*RC(Xpp)*Xpp
          + 1/216*RC(Xpp)*RV(Xn1,Xn2,X11,X33)*Xpp
          + 1/72*RC(Xpp)*RV(Xn1,Xn2,X11,X33)*Xqq
          - 1/36*RC(Xpp)*RV(Xn1,Xn2,X11,X33)*Xn1
          )

       + Ab(Xpp)*Ab(X13)*F0^-4 * (
          + 1/18*Xpp
          - 1/36*X13
          )

       + Ab(Xpp)*Ab(Xst)*F0^-4 * (
          + 1/162*RU(Xpp,Xpp,Xss,Xtt)*Xpp
          - 1/81*RU(Xpp,Xqq,Xss,Xtt)*Xpp
          + 1/81*RU(Xpp,Xn1,Xn2,Xpp,Xss,Xtt)*Xpp
          - 1/81*RU(Xpp,Xn1,Xn2,Xqq,Xss,Xtt)*Xpp
          - 1/162*RW(Xpp,Xpp,Xss,Xtt)
          )

       + Ab(Xpp)*Bb(Xpp,Xpp,0)*F0^-4 * (
          + 11/54*R(Xpp,Xqq,Xp0,Xe0)*RC(Xpp)*Xpp*X13
          - 1/27*R(Xpp,Xqq,Xp0,Xe0)*RC(Xpp)*Xpp^2
          - 1/18*R(Xpp,Xqq,Xp0,Xe0)*RC(Xpp)*X13^2
          + 1/54*R(Xpp,Xqq,Xp0,Xe0)*RD(Xpp)*Xpp
          )

       + Ab(Xpp)*Bb(Xpp,Xn1,0)*F0^-4 * (
          + 2/27*R(Xn1,Xn2,X11,X33)*RC(Xpp)*Xpp^2
          + 1/27*R(Xn1,Xn2,X11,X33)*RC(Xpp)*X11*X33
          )

       + Ab(Xpp)*Bb(Xqq,Xqq,0)*F0^-4 * (
          - 1/54*R(Xpp,Xqq,Xp0,Xe0)*RD(Xqq)*Xqq
          - 1/36*RC(Xpp)*RD(Xqq)*X13
          )

       + Ab(Xpp)*Bb(X11,X33,0)*F0^-4 * (
          + 2/27*R(Xqq,Xpp,Xp0,Xe0)*RC(Xpp)*Xpp*X13
          )

       + Ab(Xpp)*Bb(X11,X33,0,kk)*F0^-4 * (
          + 1/27*R(Xqq,Xpp,Xp0,Xe0)*RC(Xpp)*Xpp
          )

       + Ab(Xpp,eps)*F0^-4*pi16 * (
          - 1/4*Xb(1)*R(Xpp,Xqq,Xp0,Xe0)*X13
          + 1/8*Xb(1)*RC(Xpp)*X13
          + 5/18*R(Xpp,Xqq,Xp0,Xe0)*Xpp*X13
          + 7/36*RC(Xpp)*Xpp*X13
          + 5/72*RC(Xpp)*Xqq*X13
          - 1/72*RD(Xpp)*X13
          )

       + Ab(Xps)*F0^-4*pi16 * (
          - 1/4*Xpp*X13
          + 1/8*X13*Xss
          + 1/4*X13^2
          + 3/8*Xb(1)*X13
          )

       + Ab(Xps)*F0^-4*L0r * (
          + 4*Xps*X13
          )

       + Ab(Xps)*F0^-4*L3r * (
          + 10*Xps*X13
          )

       + Ab(Xps)*F0^-4*L5r * (
          - 8*Xps*X13
          )

       + Ab(Xps)*F0^-4*L8r * (
          + 16*Xps*X13
          )

       + Ab(Xps)*Ab(Xqt)*F0^-4 * (
          - 1/4*X13
          )

       + Ab(Xps)*Ab(Xn1)*F0^-4 * (
          + 1/27*R(Xn1,Xn2,Xpp,Xpp)*Xpp
          - 5/216*R(Xn1,Xn2,Xpp,Xss)*Xpp
          - 1/24*R(Xn1,Xn2,Xpp,Xss)*Xqq
          + 1/12*R(Xn1,Xn2,Xqq,Xqq)*X13
          - 5/72*R(Xn1,Xn2,Xqq,Xss)*Xpp
          - 19/216*R(Xn1,Xn2,Xqq,Xss)*RS(Xpp,Xss,Xn1)*Xqq
          + 1/72*R(Xn1,Xn2,X11,X33)*Xpp
          )

       + Ab(Xps)*Bb(Xpp,Xn1,0)*F0^-4 * (
          - 2/9*R(Xn1,Xn2,Xqq,Xss)*Xpp*X13
          - 2/27*R(Xn1,Xn2,Xqq,Xss)*Xpp*Xss
          - 1/27*R(Xn1,Xn2,Xqq,Xss)*Xqq*Xss
          - 1/27*R(Xn1,Xn2,X11,X33)*Xpp^2
          + 1/27*R(Xn1,Xn2,X11,X33)*X11*X33
          )

       + Ab(Xps)*Bb(Xqq,Xqq,0)*F0^-4 * (
          + 1/12*RD(Xqq)*X13
          )

       + Ab(Xps)*Bb(X11,X33,0)*F0^-4 * (
          - 1/27*R(Xqq,Xpp,Xp0,Xe0)*Xpp^2
          - 4/27*R(Xqq,Xss,Xp0,Xe0)*Xps*X13
          - 1/27*R(Xqq,Xss,Xp0,Xe0)*X11*X33
          )

       + Ab(Xps)*Bb(X11,X33,0,kk)*F0^-4 * (
          + 1/27*R(Xqq,Xpp,Xp0,Xe0)*Xqq
          - 2/27*R(Xqq,Xss,Xp0,Xe0)*Xps
          - 2/27*R(Xqq,Xss,Xp0,Xe0)*X13
          )

       + Ab(Xps,eps)*F0^-4*pi16 * (
          - 3/8*X13*Xss
          - 5/12*X13^2
          - 3/8*Xb(1)*X13
          )

       + Ab(Xn1)*F0^-4*pi16 * (
          - 1/8*Xb(1)*RV(Xn1,Xn2,X11,X33)*X13
          + 1/24*RV(Xn1,Xn2,X11,X33)*Xn1*X13
          - 1/12*RV(Xn1,Xn2,X11,X33)*X13^2
          )

       + Ab(Xn1)*F0^-4*L0r * (
          - 8*R(Xn1,Xn2,X11,X33)*Xn1*X13
          - 4/3*RV(Xn1,Xn2,X11,X33)*Xn1*X13
          )

       + Ab(Xn1)*F0^-4*L1r * (
          + 16*Xn1*X13
          )

       + Ab(Xn1)*F0^-4*L2r * (
          + 4*Xn1*X13
          )

       + Ab(Xn1)*F0^-4*L3r * (
          - 8*R(Xn1,Xn2,X11,X33)*Xn1*X13
          - 10/3*RV(Xn1,Xn2,X11,X33)*Xn1*X13
          )

       + Ab(Xn1)*F0^-4*L4r * (
          - 16*Xn1*X13
          + 16*Xb(1)*R(Xn1,Xn2,X11,X33)*X13
          )

       + Ab(Xn1)*F0^-4*L5r * (
          + 16/3*R(Xn1,Xn2,X11,X33)*Xn1*X13
          + 16/3*R(Xn1,Xn2,X11,X33)*X13^2
          + 8/3*RV(Xn1,Xn2,X11,X33)*Xn1*X13
          )

       + Ab(Xn1)*F0^-4*L6r * (
          + 16*Xn1*X13
          - 16*Xb(1)*R(Xn1,Xn2,X11,X33)*X13
          )

       + Ab(Xn1)*F0^-4*L7r * (
          + 32*R(Xn1,Xn2,X11,X33)*Xn1*X13
          - 32/3*R(Xn1,Xn2,X11,X33)*X11*X33
          - 64/3*R(Xn1,Xn2,X11,X33)*X13^2
          - 16/3*RD(Xpp)*RD(Xn1,X44,X55,X66,Xn2,Xpp)
          + 16/3*RD(Xqq)*RD(Xn1,X44,X55,X66,Xn2,Xpp)
          - 8/3*RD(Xn1,X44,X55,X66,Xn2,Xpp)^2
          + 16/3*RD(Xn1,X44,X55,X66,Xn2,X11)*RD(Xn1,X44,X55,X66,Xn2,X33)
          )

       + Ab(Xn1)*F0^-4*L8r * (
          - 128/9*R(Xn1,Xn2,X11,X33)*X11*X33
          - 64/9*R(Xn1,Xn2,X11,X33)*X13^2
          - 16/9*RD(Xpp)*RD(Xn1,X44,X55,X66,Xn2,Xpp)
          + 16/9*RD(Xqq)*RD(Xn1,X44,X55,X66,Xn2,Xpp)
          - 8/9*RD(Xn1,X44,X55,X66,Xn2,Xpp)^2
          + 16/9*RD(Xn1,X44,X55,X66,Xn2,X11)*RD(Xn1,X44,X55,X66,Xn2,X33)
          - 8/3*RV(Xn1,Xn2,X11,X33)*Xn1^2
          - 8/3*RV(Xn1,Xn2,X11,X33)*X11*X33
          )

       + Ab(Xn1)^2*F0^-4 * (
          + 1/81*R(Xpp,Xss,Xn1,Xn2)*R(Xn1,Xn2,Xpp,Xss)*R(Xn1,Xn2,Xss,Xss)*Xss
          - 1/81*R(Xqq,Xss,Xn1,Xn2)*R(Xn1,Xn2,Xpp,Xss)*R(Xn1,Xn2,Xss,Xss)*Xss
          + 1/18*R(Xn1,Xn2,X11,X33)^2*X13
          - 1/54*R(Xn1,Xn2,X11,X33)*RV(Xn1,Xn2,X11,X33)*Xn1
          + 1/54*R(Xn1,Xn2,X11,X33)*RV(Xn1,Xn2,X11,X33)*X13
          + 1/162*R(Xn1,Xn2,Xss,Xss)^2*RV(Xn1,Xn2,X11,X33)*Xss
          - 1/54*RV(Xn1,Xn2,X11,X33)^2*Xn1
          + 1/72*RV(Xn1,Xn2,X11,X33)^2*X13
          )

       + Ab(Xn1)*Ab(Xst)*F0^-4 * (
          - 1/27*R(Xn1,Xn2,X11,X33)*RV(Xn1,Xn2,Xss,Xtt)*X13
          - 1/81*RU(Xpp,Xn1,Xn2,Xqq,Xss,Xtt)*Xqq
          - 1/162*RV(Xn1,Xn2,X11,X33)*RV(Xn1,Xn2,Xss,Xtt)*Xn1
          - 1/81*RW(Xpp,Xn1,Xn2,Xpp,Xss,Xtt)
          + 1/81*RW(Xpp,Xn1,Xn2,Xqq,Xss,Xtt)
          - 1/162*RW(Xn1,Xn2,Xpp,Xn1,Xn2,Xpp,Xss,Xtt)
          + 1/81*RW(Xn1,Xn2,X11,Xn1,Xn2,X33,Xss,Xtt)
          )

       + Ab(Xn1)*Bb(Xpp,Xpp,0)*F0^-4 * (
          + 1/9*R(Xpp,Xqq,Xn1,Xn2)*R(Xn1,Xn2,Xpp,Xpp)*Xpp^2
          - 1/54*R(Xn1,Xn2,Xpp,Xpp)*RD(Xpp)*Xpp
          - 1/27*R(Xn1,Xn2,X11,X33)*RD(Xpp)*Xpp
          - 1/72*RD(Xpp)*RV(Xn1,Xn2,X11,X33)*Xpp
          + 1/72*RD(Xpp)*RV(Xn1,Xn2,X11,X33)*Xqq
          - 1/36*RD(Xpp)*RV(Xn1,Xn2,X11,X33)*Xn1
          )

       + Ab(Xn1)*Bb(Xpp,Xn1,0)*F0^-4 * (
          - 2/81*R(Xpp,Xss,Xn1,Xn2)*R(Xn1,Xn2,Xqq,Xss)*R(Xn1,Xn2,Xss,Xss)*Xpp*
         Xss
          - 1/81*R(Xpp,Xss,Xn1,Xn2)*R(Xn1,Xn2,Xqq,Xss)*R(Xn1,Xn2,Xss,Xss)*Xqq*
         Xss
          + 2/27*R(Xn1,Xn2,Xpp,Xpp)*R(Xn1,Xn2,X11,X33)*Xpp^2
          + 1/27*R(Xn1,Xn2,Xpp,Xpp)*R(Xn1,Xn2,X11,X33)*X11*X33
          )

       + Ab(Xn1)*Bb(Xpp,Xn2,0)*F0^-4 * (
          - 2/81*R(Xpp,Xss,Xn1,Xn2)*R(Xn1,Xn2,Xss,Xss)*R(Xn2,Xn1,Xqq,Xss)*Xpp*
         Xss
          - 1/81*R(Xpp,Xss,Xn1,Xn2)*R(Xn1,Xn2,Xss,Xss)*R(Xn2,Xn1,Xqq,Xss)*Xqq*
         Xss
          + 2/27*R(Xn1,Xn2,Xpp,Xpp)*R(Xn2,Xn1,X11,X33)*Xpp^2
          + 1/27*R(Xn1,Xn2,Xpp,Xpp)*R(Xn2,Xn1,X11,X33)*X11*X33
          )

       + Ab(Xn1)*Bb(Xn1,Xn1,0)*F0^-4 * (
          - 1/27*R(Xn1,Xn2,X11,Xss)*R(Xn1,Xn2,X33,Xss)*R(Xn1,Xn2,Xss,Xss)*X13*
         Xss
          )

       + Ab(Xn1)*Bb(Xn1,Xn2,0)*F0^-4 * (
          - 1/81*R(Xn1,Xn2,Xpp,Xss)*R(Xn1,Xn2,Xss,Xss)*R(Xn2,Xn1,Xpp,Xss)*Xpp*
         Xss
          - 2/81*R(Xn1,Xn2,Xpp,Xss)*R(Xn1,Xn2,Xss,Xss)*R(Xn2,Xn1,Xqq,Xss)*X13*
         Xss
          )

       + Ab(Xn1)*Bb(Xn1,Xn2,0,kk)*F0^-4 * (
          + 1/81*R(Xn1,Xn2,Xpp,Xss)*R(Xn1,Xn2,Xss,Xss)*R(Xn2,Xn1,Xpp,Xss)*Xss
          - 1/81*R(Xn1,Xn2,Xpp,Xss)*R(Xn1,Xn2,Xss,Xss)*R(Xn2,Xn1,Xqq,Xss)*Xss
          )

       + Ab(Xn1)*Bb(Xn2,Xn2,0)*F0^-4 * (
          - 1/27*R(Xn1,Xn2,Xss,Xss)*R(Xn2,Xn1,X11,Xss)*R(Xn2,Xn1,X33,Xss)*X13*
         Xss
          )

       + Ab(Xn1)*Bb(X11,X33,0)*F0^-4 * (
          + 2/27*R(Xqq,Xpp,Xn1,Xn2)*R(Xn1,Xn2,Xpp,Xpp)*Xpp*X13
          - 2/81*R(Xn1,Xn2,Xss,Xss)*R(X11,Xss,Xn1,Xn2)*R(X33,Xss,Xn1,Xn2)*X13*
         Xss
          )

       + Ab(Xn1)*Bb(X11,X33,0,kk)*F0^-4 * (
          + 1/27*R(Xqq,Xpp,Xn1,Xn2)*R(Xn1,Xn2,Xpp,Xpp)*Xpp
          - 1/81*R(Xn1,Xn2,Xss,Xss)*R(X11,Xss,Xn1,Xn2)*R(X33,Xss,Xn1,Xn2)*Xss
          )

       + Ab(Xn1,eps)*F0^-4*pi16 * (
          - 1/4*Xn1*X13
          + 1/8*Xb(1)*RV(Xn1,Xn2,X11,X33)*X13
          + 1/4*R(Xn1,Xn2,X11,X33)*Xn1*X13
          + 5/9*R(Xn1,Xn2,X11,X33)*X13^2
          + 1/8*RV(Xn1,Xn2,X11,X33)*Xn1*X13
          + 5/36*RV(Xn1,Xn2,X11,X33)*X13^2
          )

       + Ab(Xp0)*Ab(Xe0)*F0^-4 * (
          + 1/270*Xb(1)*RV(Xp0,Xe0,X11,X33)*RV(Xe0,Xp0,X11,X33)
          + 1/45*R(Xn1,Xn2,X11,X33)*RV(Xn2,Xn1,X11,X33)*Xn2
          + 1/270*R(Xn1,Xn2,X11,X33)*RV(Xn2,Xn1,X11,X33)*X13
          - 1/81*R(Xn1,Xn2,Xss,Xss)*R(Xp0,Xe0,Xpp,Xss)*R(Xe0,Xp0,Xpp,Xss)*Xss
          + 1/81*R(Xn1,Xn2,Xss,Xss)*R(Xp0,Xe0,Xpp,Xss)*R(Xe0,Xp0,Xqq,Xss)*Xss
          - 29/1080*R(Xp0,Xe0,Xpp,Xpp)*R(Xe0,Xp0,Xpp,Xpp)*Xpp
          + 1/72*R(Xp0,Xe0,Xpp,Xpp)*R(Xe0,Xp0,Xpp,Xpp)*Xqq
          - 17/540*R(Xp0,Xe0,Xpp,Xpp)*R(Xe0,Xp0,Xqq,Xqq)*X13
          + 1/5*R(Xp0,Xe0,X11,X33)*R(Xe0,Xp0,X11,X33)*X13
          - 1/162*R(Xp0,Xe0,Xss,Xss)*R(Xe0,Xp0,Xss,Xss)*RV(Xn1,Xn2,X11,X33)*
         Xss
          )

       + Ab(X11)*Ab(X33)*F0^-4 * (
          - 1/54*R(Xpp,Xqq,Xp0,Xe0)*RC(Xqq)*Xqq
          + 1/9*R(X11,X33,Xp0,Xe0)*R(X33,X11,Xp0,Xe0)*X13
          - 1/36*RC(X11)*RC(X33)*X13
          )

       + Ab(X13)*F0^-4*L1r * (
          + 8*X13^2
          )

       + Ab(X13)*F0^-4*L2r * (
          + 20*X13^2
          )

       + Ab(X13)*F0^-4*L6r * (
          + 32*X13^2
          )

       + Ab(X13)^2*F0^-4 * (
          - 1/4*X13
          )

       + Ab(X13)*Bb(X11,X33,0)*F0^-4 * (
          + 1/9*X11*X33
          + 4/9*X13^2
          )

       + Ab(X13)*Bb(X11,X33,0,kk)*F0^-4 * (
          + 4/9*X13
          )

       + Ab(X13,eps)*F0^-4*pi16 * (
          - 31/18*X13^2
          )

       + Ab(X1s)*Ab(X3s)*F0^-4 * (
          - 1/4*X13
          )

       + Ab(Xst)*F0^-4*L1r * (
          + 32*X13*Xst
          )

       + Ab(Xst)*F0^-4*L2r * (
          + 8*X13*Xst
          )

       + Ab(Xst)*F0^-4*L4r * (
          - 32*X13*Xst
          )

       + Ab(Xst)*F0^-4*L6r * (
          + 32*X13*Xst
          )

       + Ab(Xst)*Bb(Xpp,Xn1,0)*F0^-4 * (
          + 1/81*RU(Xpp,Xn1,Xn2,Xpp,Xss,Xtt)*Xpp*Xn1
          - 1/81*RU(Xpp,Xn1,Xn2,Xqq,Xss,Xtt)*Xpp*Xn1
          - 1/81*RU(Xpp,Xn1,Xn2,Xqq,Xss,Xtt)*X11*X33
          + 2/81*RW(Xpp,Xn1,Xn2,Xqq,Xss,Xtt)*Xpp
          + 1/81*RW(Xpp,Xn1,Xn2,Xqq,Xss,Xtt)*Xqq
          )

       + Ab(Xst)*Bb(Xpp,Xn1,0,kk)*F0^-4 * (
          - 1/81*RU(Xpp,Xn1,Xn2,Xpp,Xss,Xtt)*Xpp
          - 1/81*RU(Xpp,Xn1,Xn2,Xqq,Xss,Xtt)*Xpp
          )

       + Ab(Xst)*Bb(Xn1,Xn1,0)*F0^-4 * (
          + 2/9*R(Xn1,Xn2,X11,X33)*R(Xn1,Xn2,Xss,Xtt)*X13*Xst
          )

       + Ab(Xst)*Bb(Xp0,Xe0,0)*F0^-4 * (
          + 1/81*RU(Xp0,Xe0,Xpp,Xe0,Xp0,Xpp,Xss,Xtt)*Xp0*Xe0
          - 1/81*RU(Xp0,Xe0,Xpp,Xe0,Xp0,Xqq,Xss,Xtt)*Xp0*Xe0
          + 1/81*RW(Xp0,Xe0,Xpp,Xe0,Xp0,Xpp,Xss,Xtt)*Xpp
          + 2/81*RW(Xp0,Xe0,Xpp,Xe0,Xp0,Xqq,Xss,Xtt)*X13
          )

       + Ab(Xst)*Bb(Xp0,Xe0,0,kk)*F0^-4 * (
          - 1/81*RU(Xp0,Xe0,Xpp,Xe0,Xp0,Xpp,Xss,Xtt)*Xpp
          - 2/81*RU(Xp0,Xe0,Xpp,Xe0,Xp0,Xqq,Xss,Xtt)*X13
          - 1/81*RW(Xp0,Xe0,Xpp,Xe0,Xp0,Xpp,Xss,Xtt)
          + 1/81*RW(Xp0,Xe0,Xpp,Xe0,Xp0,Xqq,Xss,Xtt)
          )

       + Ab(Xst)*Bb(X11,X33,0)*F0^-4 * (
          - 1/81*RU(X11,X33,Xss,Xtt)*X11*X33
          + 2/81*RW(X11,X33,Xss,Xtt)*X13
          )

       + Ab(Xst)*Bb(X11,X33,0,kk)*F0^-4 * (
          - 2/81*RU(X11,X33,Xss,Xtt)*X13
          + 1/81*RW(X11,X33,Xss,Xtt)
          )

       + Ab(Xst,eps)*F0^-4*pi16 * (
          - 1/2*X13*Xst
          )

       + Bb(Xpp,Xpp,0)*F0^-4*pi16 * (
          - 1/8*Xb(1)*RD(Xpp)*X13
          - 1/24*RD(Xpp)*Xqq*X13
          )

       + Bb(Xpp,Xpp,0)*F0^-4*L0r * (
          - 4/3*RD(Xpp)*Xpp*X13
          )

       + Bb(Xpp,Xpp,0)*F0^-4*L3r * (
          - 10/3*RD(Xpp)*Xpp*X13
          )

       + Bb(Xpp,Xpp,0)*F0^-4*L4r * (
          + 8*Xb(1)*R(Xpp,Xqq,Xp0,Xe0)*Xpp*X13
          )

       + Bb(Xpp,Xpp,0)*F0^-4*L5r * (
          - 16/3*R(Xpp,Xqq,Xp0,Xe0)*Xpp*X13^2
          + 8*R(Xpp,Xqq,Xp0,Xe0)*Xpp^2*X13
          )

       + Bb(Xpp,Xpp,0)*F0^-4*L6r * (
          - 16*Xb(1)*R(Xpp,Xqq,Xp0,Xe0)*Xpp*X13
          )

       + Bb(Xpp,Xpp,0)*F0^-4*L8r * (
          + 32/3*R(Xpp,Xqq,Xp0,Xe0)*Xpp*X13^2
          - 16*R(Xpp,Xqq,Xp0,Xe0)*Xpp^2*X13
          )

       + Bb(Xpp,Xpp,0)^2*F0^-4 * (
          + 1/8*R(Xpp,Xqq,Xp0,Xe0)*RD(Xpp)*Xpp*X13
          - 1/72*R(Xpp,Xqq,Xp0,Xe0)*RD(Xpp)*Xqq*X13
          )

       + Bb(Xpp,Xpp,0)*Bb(Xpp,Xn1,0)*F0^-4 * (
          + 2/27*R(Xn1,Xn2,X11,X33)*RD(Xpp)*Xpp^2
          + 1/27*R(Xn1,Xn2,X11,X33)*RD(Xpp)*X11*X33
          )

       + Bb(Xpp,Xpp,0)*Bb(X11,X33,0)*F0^-4 * (
          + 2/27*R(Xqq,Xpp,Xp0,Xe0)*RD(Xpp)*Xpp*X13
          )

       + Bb(Xpp,Xpp,0)*Bb(X11,X33,0,kk)*F0^-4 * (
          + 1/27*R(Xqq,Xpp,Xp0,Xe0)*RD(Xpp)*Xpp
          )

       + Bb(Xpp,Xpp,0,eps)*F0^-4*pi16 * (
          + 1/8*Xb(1)*RD(Xpp)*X13
          + 1/8*RD(Xpp)*Xpp*X13
          + 5/36*RD(Xpp)*X13^2
          )

       + Bb(Xpp,Xn1,0)*F0^-4*L7r * (
          + 32/3*RD(Xpp)*RD(Xn1,X44,X55,X66,Xn2,Xqq)*Xpp
          + 16/3*RD(Xpp)*RD(Xn1,X44,X55,X66,Xn2,Xqq)*Xqq
          )

       + Bb(Xpp,Xn1,0)*F0^-4*L8r * (
          + 32/9*RD(Xpp)*RD(Xn1,X44,X55,X66,Xn2,Xqq)*Xpp
          + 16/9*RD(Xpp)*RD(Xn1,X44,X55,X66,Xn2,Xqq)*Xqq
          )

       + Bb(Xn1,Xn1,0)*F0^-4*L4r * (
          + 8*Xb(1)*R(Xn1,Xn2,X11,X33)*Xn1*X13
          )

       + Bb(Xn1,Xn1,0)*F0^-4*L5r * (
          + 8/3*R(Xn1,Xn2,X11,X33)*Xn1^2*X13
          )

       + Bb(Xn1,Xn1,0)*F0^-4*L6r * (
          - 16*Xb(1)*R(Xn1,Xn2,X11,X33)*Xn1*X13
          )

       + Bb(Xn1,Xn1,0)*F0^-4*L7r * (
          + 16*RD(Xn1,X44,X55,X66,Xn2,X11)*RD(Xn1,X44,X55,X66,Xn2,X33)*X13
          )

       + Bb(Xn1,Xn1,0)*F0^-4*L8r * (
          - 16/3*R(Xn1,Xn2,X11,X33)*Xn1^2*X13
          + 16/3*RD(Xn1,X44,X55,X66,Xn2,X11)*RD(Xn1,X44,X55,X66,Xn2,X33)*X13
          )

       + Bb(Xp0,Xe0,0)*F0^-4*L7r * (
          + 16/3*RD(Xp0,X44,X55,X66,Xe0,Xpp)*RD(Xe0,X44,X55,X66,Xp0,Xpp)*Xpp
          + 32/3*RD(Xp0,X44,X55,X66,Xe0,Xpp)*RD(Xe0,X44,X55,X66,Xp0,Xqq)*X13
          )

       + Bb(Xp0,Xe0,0)*F0^-4*L8r * (
          + 16/9*RD(Xp0,X44,X55,X66,Xe0,Xpp)*RD(Xe0,X44,X55,X66,Xp0,Xpp)*Xpp
          + 32/9*RD(Xp0,X44,X55,X66,Xe0,Xpp)*RD(Xe0,X44,X55,X66,Xp0,Xqq)*X13
          )

       + Bb(Xp0,Xe0,0,kk)*F0^-4*L7r * (
          - 16/3*RD(Xp0,X44,X55,X66,Xe0,Xpp)*RD(Xe0,X44,X55,X66,Xp0,Xpp)
          + 16/3*RD(Xp0,X44,X55,X66,Xe0,Xpp)*RD(Xe0,X44,X55,X66,Xp0,Xqq)
          )

       + Bb(Xp0,Xe0,0,kk)*F0^-4*L8r * (
          - 16/9*RD(Xp0,X44,X55,X66,Xe0,Xpp)*RD(Xe0,X44,X55,X66,Xp0,Xpp)
          + 16/9*RD(Xp0,X44,X55,X66,Xe0,Xpp)*RD(Xe0,X44,X55,X66,Xp0,Xqq)
          )

       + Bb(X11,X11,0)*Bb(X33,X33,0)*F0^-4 * (
          - 1/36*RD(X11)*RD(X33)*X13
          )

       + Bb(X11,X33,0)*F0^-4*L7r * (
          + 32/3*RD(X11)*RD(X33)*X13
          )

       + Bb(X11,X33,0)*F0^-4*L8r * (
          + 32/9*RD(X11)*RD(X33)*X13
          )

       + Bb(X11,X33,0,kk)*F0^-4*L7r * (
          + 16/3*RD(X11)*RD(X33)
          )

       + Bb(X11,X33,0,kk)*F0^-4*L8r * (
          + 16/9*RD(X11)*RD(X33)
          )

       + Hbb(1,Xpp,Xpp,X13,X13)*F0^-4 * (
          - 1/4*Xpp*X13
          - 3/8*X13^2
          - 1/18*R(Xpp,Xqq,Xp0,Xe0)^2*X13^2
          + 1/6*R(Xpp,Xqq,Xp0,Xe0)*RC(Xpp)*X13^2
          - 1/24*RC(Xpp)^2*X13^2
          )

       + Hbb(1,Xpp,X1s,X3s,X13)*F0^-4 * (
          - 5/12*R(Xpp,Xqq,Xp0,Xe0)*Xqq*X13
          + 1/6*R(Xpp,Xqq,Xp0,Xe0)*Xps*X13
          + 1/8*R(Xpp,Xss,Xp0,Xe0)*Xqq*X13
          + 7/24*R(Xpp,Xss,Xp0,Xe0)*X13*Xss
          - 1/12*RC(Xpp)*Xps*X13
          )

       + Hbb(1,Xps,Xqt,Xst,X13)*F0^-4 * (
          + 1/4*X13*Xst
          )

       + Hbb(1,Xn1,Xpp,X13,X13)*F0^-4 * (
          + 2/9*R(Xpp,Xqq,Xn1,Xn2)*R(Xn1,Xn2,X11,X33)*X13^2
          - 1/18*R(Xpp,Xqq,Xn1,Xn2)*RV(Xn1,Xn2,X11,X33)*X13^2
          + 1/9*R(Xn1,Xn2,Xpp,Xpp)*RC(Xpp)*X13^2
          + 1/36*RC(Xpp)*RV(Xn1,Xn2,X11,X33)*X13^2
          )

       + Hbb(1,Xn1,Xn1,X13,X13)*F0^-4 * (
          + 2/9*R(Xn1,Xn2,X11,X33)^2*X13^2
          + 2/9*R(Xn1,Xn2,X11,X33)*RV(Xn1,Xn2,X11,X33)*X13^2
          + 5/72*RV(Xn1,Xn2,X11,X33)^2*X13^2
          )

       + Hbb(1,Xn1,X1s,X3s,X13)*F0^-4 * (
          - 1/8*R(Xn1,Xn2,Xpp,Xss)*Xpp*X13
          - 5/24*R(Xn1,Xn2,Xpp,Xss)*Xqq*X13
          + 1/3*R(Xn1,Xn2,X11,X33)*X13^2
          - 1/24*RV(Xn1,Xn2,Xpp,Xss)*Xn1*X13
          - 1/24*RV(Xn1,Xn2,X11,X33)*X13*Xss
          )

       + Hbb(1,Xp0,Xe0,X13,X13)*F0^-4 * (
          + 1/9*R(Xp0,Xe0,Xpp,Xpp)*R(Xe0,Xp0,Xpp,Xpp)*X13^2
          + 2/9*R(Xp0,Xe0,X11,X33)*R(Xe0,Xp0,X11,X33)*X13^2
          + 1/36*RV(Xp0,Xe0,X11,X33)*RV(Xe0,Xp0,X11,X33)*X13^2
          )

       + Hbb(1,X11,X13,X33,X13)*F0^-4 * (
          - 1/18*R(Xpp,Xqq,Xp0,Xe0)*RC(Xqq)*X13^2
          + 1/3*R(X11,X33,Xp0,Xe0)*R(X33,X11,Xp0,Xe0)*X13^2
          + 1/36*RC(X11)*RC(X33)*X13^2
          )

       + Hbb(1,X13,X13,X13,X13)*F0^-4 * (
          + 1/4*X13^2
          )

       + Hbb(2,Xpp,Xpp,X13,X13)*F0^-4 * (
          - 1/18*R(Xpp,Xqq,Xp0,Xe0)*RD(Xpp)*X13^2
          + 5/36*RC(Xpp)*RD(Xpp)*X13^2
          )

       + Hbb(2,Xpp,Xn1,X13,X13)*F0^-4 * (
          + 1/9*R(Xn1,Xn2,Xpp,Xpp)*RD(Xpp)*X13^2
          + 1/36*RD(Xpp)*RV(Xn1,Xn2,X11,X33)*X13^2
          )

       + Hbb(2,Xpp,X13,Xqq,X13)*F0^-4 * (
          - 1/18*R(Xqq,Xpp,Xp0,Xe0)*RD(Xpp)*X13^2
          + 1/36*RC(Xqq)*RD(Xpp)*X13^2
          )

       + Hbb(2,Xpp,X1s,X3s,X13)*F0^-4 * (
          - 1/12*RD(Xpp)*Xps*X13
          )

       + Hbb(5,Xpp,Xpp,X13,X13)*F0^-4 * (
          + 5/72*RD(Xpp)^2*X13^2
          )

       + Hbb(5,X11,X33,X13,X13)*F0^-4 * (
          + 1/36*RD(X11)*RD(X33)*X13^2
          )

       + H1bb(1,Xpp,Xpp,X13,X13)*F0^-4 * (
          + 2*X13^2
          + 4/9*R(Xpp,Xqq,Xp0,Xe0)^2*X13^2
          - 4/9*R(Xpp,Xqq,Xp0,Xe0)*RC(Xpp)*X13^2
          + 2/9*RC(Xpp)^2*X13^2
          )

       + H1bb(1,Xpp,X1s,X3s,X13)*F0^-4 * (
          + 2/3*R(Xpp,Xqq,Xp0,Xe0)*RS(Xss,Xqq,Xpp)*X13^2
          )

       + H1bb(1,Xps,Xqs,Xpp,X13)*F0^-4 * (
          - 2/3*R(Xpp,Xss,Xp0,Xe0)*X13^2
          )

       + H1bb(1,Xps,Xqs,Xn1,X13)*F0^-4 * (
          - 2/3*R(Xn1,Xn2,X11,X33)*RS(Xss,Xpp,Xn1)*X13^2
          )

       + H1bb(1,X13,Xpp,Xn1,X13)*F0^-4 * (
          + 2/9*R(Xpp,Xqq,Xn1,Xn2)*RV(Xn1,Xn2,X11,X33)*X13^2
          - 2/9*R(Xn1,Xn2,Xpp,Xpp)*RS(Xqq,Xpp,Xn1)*RC(Xpp)*X13^2
          )

       + H1bb(1,X13,Xn1,Xn1,X13)*F0^-4 * (
          - 2/9*R(Xn1,Xn2,X11,X33)*RV(Xn1,Xn2,X11,X33)*X13^2
          - 1/9*RV(Xn1,Xn2,X11,X33)^2*X13^2
          )

       + H1bb(1,X13,Xp0,Xe0,X13)*F0^-4 * (
          - 2/9*R(Xp0,Xe0,Xpp,Xpp)*RS(Xqq,Xe0,Xpp)*RV(Xe0,Xp0,X11,X33)*X13^2
          + 2/9*R(Xp0,Xe0,X11,X33)*RV(Xe0,Xp0,X11,X33)*X13^2
          )

       + H1bb(1,X13,X11,X33,X13)*F0^-4 * (
          + 2/9*R(Xpp,Xqq,Xp0,Xe0)*RC(Xqq)*X13^2
          - 4/9*R(X11,X33,Xp0,Xe0)*R(X33,X11,Xp0,Xe0)*X13^2
          )

       + H1bb(3,X13,Xpp,Xpp,X13)*F0^-4 * (
          + 2/9*R(Xpp,Xqq,Xp0,Xe0)*RD(Xpp)*X13^2
          - 2/9*RC(Xpp)*RD(Xpp)*X13^2
          )

       + H1bb(3,X13,Xpp,Xqq,X13)*F0^-4 * (
          + 2/9*R(Xqq,Xpp,Xp0,Xe0)*RD(Xpp)*X13^2
          )

       + H1bb(3,X13,Xpp,Xn1,X13)*F0^-4 * (
          + 2/9*R(Xn1,Xn2,X11,X33)*RS(Xpp,Xqq,Xn1)*RD(Xpp)*X13^2
          )

       + H1bb(7,X13,Xpp,Xpp,X13)*F0^-4 * (
          - 1/9*RD(Xpp)^2*X13^2
          )

       + H21bb(1,Xpp,Xpp,X13,X13)*F0^-4 * (
          - 3/4*X13^2
          )

       + H21bb(1,Xpp,X1s,X3s,X13)*F0^-4 * (
          - 1/4*R(Xpp,Xqq,Xp0,Xe0)*RS(Xss,Xqq,Xpp)*X13^2
          )

       + H21bb(1,Xps,Xqs,Xpp,X13)*F0^-4 * (
          + 1/4*R(Xpp,Xqq,Xp0,Xe0)*X13^2
          + 1/4*R(Xpp,Xss,Xp0,Xe0)*X13^2
          - 1/4*RC(Xpp)*X13^2
          )

       + H21bb(1,Xps,Xqs,Xqq,X13)*F0^-4 * (
          + 1/4*R(Xqq,Xpp,Xp0,Xe0)*RS(Xss,Xpp,Xqq)*X13^2
          )

       + H21bb(1,Xps,Xqs,Xn1,X13)*F0^-4 * (
          + 1/4*R(Xn1,Xn2,X11,X33)*RS(Xpp,Xqq,Xn1)*RS(Xss,Xpp,Xn1)*X13^2
          )

       + H21bb(1,Xn1,X1s,X3s,X13)*F0^-4 * (
          - 1/4*R(Xn1,Xn2,X11,X33)*RS(Xss,X11,Xn1)*RS(Xss,X33,Xn1)*X13^2
          )

       + H21bb(1,X13,Xpp,Xpp,X13)*F0^-4 * (
          + 3/8*X13^2
          + 1/6*R(Xpp,Xqq,Xp0,Xe0)^2*X13^2
          - 1/6*R(Xpp,Xqq,Xp0,Xe0)*RC(Xpp)*X13^2
          + 1/24*RC(Xpp)^2*X13^2
          )

       + H21bb(1,X13,Xpp,Xn1,X13)*F0^-4 * (
          - 1/6*R(Xpp,Xqq,Xn1,Xn2)*RV(Xn1,Xn2,X11,X33)*X13^2
          + 1/12*RC(Xpp)*RV(Xn1,Xn2,X11,X33)*X13^2
          )

       + H21bb(1,X13,Xn1,Xn1,X13)*F0^-4 * (
          + 1/24*RV(Xn1,Xn2,X11,X33)^2*X13^2
          )

       + H21bb(1,X13,Xp0,Xe0,X13)*F0^-4 * (
          + 1/12*RV(Xp0,Xe0,X11,X33)*RV(Xe0,Xp0,X11,X33)*X13^2
          )

       + H21bb(1,X13,X11,X33,X13)*F0^-4 * (
          - 1/6*R(Xpp,Xqq,Xp0,Xe0)*RC(Xqq)*X13^2
          + 1/3*R(X11,X33,Xp0,Xe0)*R(X33,X11,Xp0,Xe0)*X13^2
          + 1/12*RC(X11)*RC(X33)*X13^2
          )

       + H21bb(1,X13,X13,X13,X13)*F0^-4 * (
          + 3/4*X13^2
          )

       + H21bb(1,Xst,Xps,Xqt,X13)*F0^-4 * (
          + 3/4*X13^2
          )

       + H21bb(3,Xps,Xpp,Xqs,X13)*F0^-4 * (
          - 1/4*RD(Xpp)*X13^2
          )

       + H21bb(3,X13,Xpp,Xpp,X13)*F0^-4 * (
          - 1/6*R(Xpp,Xqq,Xp0,Xe0)*RD(Xpp)*X13^2
          + 1/12*RC(Xpp)*RD(Xpp)*X13^2
          )

       + H21bb(3,X13,Xpp,Xqq,X13)*F0^-4 * (
          - 1/6*R(Xqq,Xpp,Xp0,Xe0)*RD(Xpp)*X13^2
          + 1/12*RC(Xqq)*RD(Xpp)*X13^2
          )

       + H21bb(3,X13,Xpp,Xn1,X13)*F0^-4 * (
          + 1/12*RD(Xpp)*RV(Xn1,Xn2,X11,X33)*X13^2
          )

       + H21bb(7,X13,Xpp,Xpp,X13)*F0^-4 * (
          + 1/24*RD(Xpp)^2*X13^2
          )

       + H21bb(7,X13,X11,X33,X13)*F0^-4 * (
          + 1/12*RD(X11)*RD(X33)*X13^2
          );


