A, B, C, D, E, F, G, J
8
A, B, C, D, E, G, J
7
A, C, J
3
A, C, D, F
4
B, C, D, F
A, B, C, D, E, F, G
A, C, D
A, B, C, E, F, G
6
B, D, E, G
A, E, F, G, J
5
B, F, J
J
1
B, E, G, J
D, E, F, G, J