A, B, C, D, E, F, G, J
8
C, D, F, J
4
A, C, D, F
A, F
2
A, C, D
3
A, B, E, G
B, C, D, E, F, G, J
7
A, B, E, G, J
5
J
1
B, C, E, G, J
B, D, E, F, G