0
2
2
2
0
2
2
2
0
0
2
0
2
0
2
2
0
2
0
2
2
0
15
4
0
2
0
0
0
0
0
0
2
2
2
0
0
4
0
0
0
0
2
0
0
2
0
2
2
0
2
0
4
0
0
2
0
2
8
14
0
2
0
2
2
0
0
2
0
0
0
2
2
0
2
2
0
0
2
2
2
0
2
0
0
0
0
0
4
0
0
2
0
0
2
4
2
0
0
2
2
2
0
2
0
0
0
0
2
2
2
2
4
0
0
2
2
2
0
2
0
2
2
2
2
0
0
2
2
2
2
0
6
0
0
4
2
0
2
0
0
2
2
0
6
0
0
2
0
0
2
4
0
0
0
0
2
2
0
0
0
0
2
12
2
2
0
0
0
0
0
0
4
0
4
0
2
4
0
0
10
2
2
2
0
0
2
0
0
2
0
0
0
4
4
4
2
0
0
0
0
2
18
2
2
0
0
2
0
0
2
0
2
2
2
2
2
0
2
2
0
2
4
2
2
0
0
4
0
0
2
0
0
0
2
0
4
0
0
2
0
2
0
2
2
2
2
2
0
6
0
0
0
0
0
2
0
0
2
2
0
0
2
0
0
2
2
0
0
0
2
2
4
2
0
2
0
0
2
0
2
4
2
0
2
0
2
2
