B, C, D, F, G, H, J, K
8
A, B, E, F
4
A, B, C, D, E, F, G, H, I, J, K
11
C, G, H
3
C, E
2
A, C, D, F, G, J, K
7
A, B, C, D, E, F, H, I, J, K
10
A, I
A, B, D, E, I
5
A, B, E, F, G, H, I, J, K
9
0
H
1
B, C, D, E, G, H, I, J, K
D, F, G, I, J, K
6