0
4
2
2
0
0
4
4
2
4
0
0
0
4
0
31
0
0
2
2
0
4
2
2
2
2
2
2
2
31
4
0
2
2
2
0
0
4
4
2
0
6
4
2
0
2
0
4
6
2
2
0
6
0
2
2
4
0
0
0
0
27
6
0
2
2
0
0
2
0
0
0
2
2
2
2
0
2
0
33
4
2
0
4
0
22
6
4
2
0
0
2
4
2
2
0
0
2
0
2
2
2
6
2
2
6
4
2
0
0
0
4
2
0
0
2
4
2
4
0
31
0
2
4
4
4
2
0
0
0
2
2
4
0
0
0
0
0
4
4
0
0
2
2
0
2
2
2
2
6
4
2
0
4
0
6
2
0
0
2
0
0
4
4
2
0
0
0
4
2
2
2
4
2
33
0
4
0
0
0
2
2
0
4
6
2
2
33
2
0
2
4
4
0
4
4
2
2
0
2
2
0
0
4
0
0
2
4
4
0
0
2
0
4
2
4
2
0
0
4
2
0
2
0
6
4
6
2
2
2
0
2
2
6
4
2
0
0
29
0
4
0
4
2
2
6
0
6
0
2
0
0
2
0
4
0
8
4
4
2
0
0
2
0
0
2
4
4
0
0
2
0
0
0
4
4
2
4
4
4
0
2
0
2
6
2
4
0
