10 45
A->BD
A->C
A->D
A->E
A->F
A->GE
A->H
A->I
B->C
B->D
B->E
B->FF
B->G
B->H
B->I
C->DG
C->E
C->F
C->G
C->H
C->IH
D->E
D->F
D->G
D->H
D->IK
E->F
E->G
E->H
E->I
F->GL
F->H
F->I
G->H
G->I
H->I
J->AF
J->B
J->C
J->D
J->E
J->FE
J->G
J->H
J->IC