0
2
4
2
2
0
0
4
0
2
0
0
0
2
2
2
0
15
0
2
0
0
0
2
2
2
2
2
6
15
2
0
2
2
5
0
0
0
0
2
0
0
0
6
2
0
0
0
2
0
0
0
2
0
0
2
0
2
4
2
2
2
2
0
0
2
0
2
2
8
2
0
2
2
0
2
2
2
2
2
2
0
2
0
2
2
2
0
2
0
4
2
2
2
2
4
15
0
0
2
0
2
0
2
2
2
0
0
4
6
0
2
0
4
4
2
6
0
0
0
0
0
0
2
2
0
0
2
4
4
0
2
2
6
2
2
0
2
7
6
2
6
2
0
11
2
2
3
2
2
2
0
2
0
2
2
2
2
0
2
4
2
0
0
4
0
4
2
2
4
0
2
0
0
0
4
0
0
4
0
4
2
0
0
2
2
0
2
2
0
0
2
4
2
0
0
0
0
0
11
4
4
0
4
2
0
0
2
0
2
0
0
0
4
2
0
0
2
0
0
0
0
2
2
11
0
2
0
0
4
2
2
2
0
2
2
4
0
0
4
0
0
0
0
4
0
0
0
2
0
4
0
0
0
2
2
0
2
0
0
0
0
2
0
0
0
0
2
0
0
2
2
2
2
0
0
4
0
0
0
8
2
0
0
0
2
0
8
