B
5 7
A
1 6
A
1 5
A
2 5
A
4 5
A
1 4
A
4 4
A
3 4
A
2 4
A
1 3
A
1 3
A
1 3
A
1 3
A
4 3
A
3 3
A
2 3
A
2 2
A
1 2
A
1 2
A
1 2