0
2
0
0
2
2
2
2
0
2
2
4
0
0
2
0
4
0
2
2
31
0
0
4
4
0
6
2
2
2
4
2
0
0
2
0
2
0
0
0
2
2
0
2
0
2
0
0
2
2
2
4
2
0
8
2
0
0
2
4
2
4
2
0
0
0
2
2
0
0
2
2
0
4
4
2
0
2
0
0
0
0
2
4
0
4
0
2
0
0
4
2
0
0
4
2
0
4
0
2
0
0
2
2
4
0
0
2
0
0
0
0
0
2
0
2
2
2
0
0
2
4
0
2
0
2
0
0
0
4
2
0
0
0
4
2
2
0
2
0
2
2
0
0
0
2
6
0
4
2
2
6
0
2
0
4
0
2
39
37
6
4
2
0
0
0
0
2
2
2
39
0
2
2
0
2
0
2
6
0
2
6
2
4
2
2
2
0
0
0
2
0
35
4
0
4
0
4
0
2
2
4
6
2
4
0
0
4
0
4
2
0
2
16
0
0
4
0
2
0
0
0
33
0
2
8
4
4
2
0
0
0
2
2
0
2
0
0
0
2
2
2
2
2
0
0
0
0
2
4
0
0
0
0
2
4
0
2
6
4
12
2
2
2
4
0
2
2
2
4
14
0
4
6
0
2
2
2
2
2
0
4
0
0
2
2
2
0
