eq(f0(A,B,C,D),1,[f8(0,B,C,D,E,F,G,H,I),loop_cont_f8(F,G,H,I)],[E=0]).
eq(f0(A,B,C,D),1,[f8(0,B,C,D,E,F,G,H,I)],[E=1]).
eq(f8(A,B,C,D,E,F,G,H,I),1,[f8(A+1,B,C,D,E,F,G,H,I)],[3>=A]).
eq(f8(A,B,C,D,E,F,G,H,I),1,[f8(A+1,A,A+1,J,E,F,G,H,I)],[3>=A]).
eq(f8(A,B,C,D,E,A,B,C,D),1,[],[E=1,A>=4,0>=F+1]).
eq(f8(A,B,C,D,E,A,B,C,D),1,[],[E=1,A>=4]).