D(0, A)=1.A
D(0, B)=1.B
D(0, C)=1.C
D(0, D)=1.D
D(0, E)=1.E
D(0, F)=1.F
D(1, DB)=D.B+B.D
D(1, EA)=E.A+A.E
D(1, EB)=E.B+B.E
D(1, EC)=E.C+C.E
D(1, FA)=F.A+A.F
D(1, FB)=F.B+B.F
D(1, FC)=F.C+2D.A+C.F+2A.D
D(1, FD)=F.D+D.F+2D.A+C.A+2A.D+A.C
D(1, DA*B)=D.A*B+2C.A*B+2B.D*A+B.C*A+2B.A*D+B.A*C+2A.C*B+2A.B*D
D(2, FDB)=FD.B+FB.D+DB.F+DA*B.1
D(1, CA^2*B)=C.A^2*B+B.C*A^2+2B.A^2*C+2A.A*C*B
D(2, FDA*B)=FD.A*B+2*FC.A*B+2FB.D*A+FB.C*A+2FB.A*D+FB.A*C+2*FA.C*B+2*FA.B*D+2*DA*B.F+2*CA^2*B.1
D(1, DA^3*B)=D.A^3*B+2B.D*A^3+2B.A*D*A^2+B.A^2*D*A+B.A^3*D+A.D*A^2*B+2A.A*C*A*B+2A.A*B*D*A+A.A*B*C*A+2A.A*B*A*D+A.A*B*A*C+2A.A^2*C*B
D(2, ECA^2*B)=EC.A^2*B+2*2EB.C*A^2+2*EB.A^2*C+2*EA.A*C*B+CA^2*B.E
D(2, FCA^2*B)=FC.A^2*B+2*2FB.C*A^2+2*FB.A^2*C+2*FA.A*C*B+DA^3*B.1+CA^2*B.F
D(1, DA^4*B)=D.A^4*B+2C.A^4*B+B.D*A^4+2B.C*A^4+B.A^2*D*A^2+2B.A^2*C*A^2+B.A^4*D+2B.A^4*C+A.A*D*A^2*B+A.A*B*C*A^2+2A.A*B*A^2*C+A.A^3*C*B+2A.A^3*B*D
D(2, FDA^3*B)=FD.A^3*B+2FB.D*A^3+2FB.A*D*A^2+FB.A^2*D*A+FB.A^3*D+2*2FA.D*A^2*B+2*FA.A*C*A*B+2*FA.A*B*D*A+2*2FA.A*B*C*A+2*FA.A*B*A*D+2*2FA.A*B*A*C+2*FA.A^2*C*B+2*DA^3*B.F+DA^4*B.1
D(1, CA^5*B)=C.A^5*B+2B.C*A^5+2B.A*C*A^4+2B.A^2*C*A^3+2B.A^3*C*A^2+2B.A^4*C*A+2B.A^5*C+A.C*A^4*B+A.A*C*A^3*B+2A.A^2*B*C*A^2+A.A^2*B*A^2*C+A.A^3*C*A*B+2A.A^4*C*B
D(2, FDA^4*B)=FD.A^4*B+2*FC.A^4*B+2*2FB.D*A^4+2*FB.C*A^4+2*2FB.A^2*D*A^2+2*FB.A^2*C*A^2+2*2FB.A^4*D+2*FB.A^4*C+2*2FA.A*D*A^2*B+2*2FA.A*B*C*A^2+2*FA.A*B*A^2*C+2*2FA.A^3*C*B+2*FA.A^3*B*D+DA^4*B.F+2*CA^5*B.1
D(1, DA^6*B)=D.A^6*B+B.D*A^6+2B.A^6*D+A.A^5*B*D
D(2, ECA^5*B)=EC.A^5*B+2*EB.C*A^5+2*EB.A*C*A^4+2*EB.A^2*C*A^3+2*EB.A^3*C*A^2+2*EB.A^4*C*A+2*EB.A^5*C+2*2EA.C*A^4*B+2*2EA.A*C*A^3*B+2*EA.A^2*B*C*A^2+2*2EA.A^2*B*A^2*C+2*2EA.A^3*C*A*B+2*EA.A^4*C*B+2*CA^5*B.E
D(2, FCA^5*B)=FC.A^5*B+2*FB.C*A^5+2*FB.A*C*A^4+2*FB.A^2*C*A^3+2*FB.A^3*C*A^2+2*FB.A^4*C*A+2*FB.A^5*C+2*2FA.C*A^4*B+2*2FA.A*C*A^3*B+2*FA.A^2*B*C*A^2+2*2FA.A^2*B*A^2*C+2*2FA.A^3*C*A*B+2*FA.A^4*C*B+DA^6*B.1+2*CA^5*B.F
B(1,1)=6
B(2,2)=8
B(3,5)=1
B(3,8)=1
    0   1   2   3   4   5   6   7   8
  +----------------------------------
0 | 1   6   8   -   -   -   -   -   -
1 | -   -   -   -   -   -   -   -
2 | -   -   -   1   -   -   -
3 | -   -   -   -   -   -
4 | -   -   -   -   -
5 | -   -   -   1
6 | -   -   -
7 | -   -
