F2g := 3/7529536/x^8*(7529536*x^12*f[0]^6-45177216*x^11*f[0]^6-52706752*x^11*f [0]^5*f[1]+112943040*x^10*f[0]^6+278592832*x^10*f[0]^5*f[1]+153664000*x^10*f[0 ]^4*f[1]^2-150590720*x^9*f[0]^6-602362880*x^9*f[0]^5*f[1]-699363280*x^9*f[0]^4 *f[1]^2-238837760*x^9*f[0]^3*f[1]^3+112943040*x^8*f[0]^6+677658240*x^8*f[0]^5* f[1]+1270225040*x^8*f[0]^4*f[1]^2+906068800*x^8*f[0]^3*f[1]^3+208732160*x^8*f[ 0]^2*f[1]^4-45177216*x^7*f[0]^6-414124480*x^7*f[0]^5*f[1]-1160547360*x^7*f[0]^ 4*f[1]^2-1322827520*x^7*f[0]^3*f[1]^3-628196660*x^7*f[0]^2*f[1]^4-97255424*x^7 *f[0]*f[1]^5+7529536*x^6*f[0]^6+128002112*x^6*f[0]^5*f[1]+548964640*x^6*f[0]^4 *f[1]^2+920447360*x^6*f[0]^3*f[1]^3+684034120*x^6*f[0]^2*f[1]^4+213495632*x^6* f[0]*f[1]^5+18874368*x^6*f[1]^6-15059072*x^5*f[0]^5*f[1]-122354960*x^5*f[0]^4* f[1]^2-302498560*x^5*f[0]^3*f[1]^3-313700940*x^5*f[0]^2*f[1]^4-147844228*x^5*f [0]*f[1]^5-25408397*x^5*f[1]^6+9411920*x^4*f[0]^4*f[1]^2+37647680*x^4*f[0]^3*f [1]^3+42072380*x^4*f[0]^2*f[1]^4+20106660*x^4*f[0]*f[1]^5+5937064*x^4*f[1]^6+ 9411920*x^3*f[0]^2*f[1]^4+18556300*x^3*f[0]*f[1]^5+7026355*x^3*f[1]^6-2352980* x^2*f[0]^2*f[1]^4-8000132*x^2*f[0]*f[1]^5-5117560*x^2*f[1]^6+941192*x*f[0]*f[1 ]^5+1294139*x*f[1]^6-117649*f[1]^6)/(x-1)^11;