0
0
0
2
2
0
0
0
0
0
2
2
0
2
0
0
2
4
0
0
0
0
0
2
2
0
2
2
4
4
2
0
4
3
0
2
8
8
2
2
2
0
2
2
0
2
2
4
2
2
2
7
4
0
2
2
2
0
0
2
2
2
0
2
0
0
0
0
4
0
0
0
0
0
2
0
4
4
2
0
0
2
2
4
2
2
2
0
6
0
2
2
0
0
2
0
2
0
0
0
0
4
2
0
0
0
2
2
2
4
2
0
0
4
4
4
0
2
0
0
6
2
0
0
6
2
0
2
4
0
4
8
0
0
0
2
0
0
0
2
4
2
2
2
0
2
0
6
4
4
2
21
8
2
0
2
0
0
0
2
2
0
2
0
0
2
6
0
2
0
10
2
2
2
6
6
8
2
0
4
2
4
0
0
4
2
0
2
2
2
4
4
6
0
3
2
6
2
2
2
2
2
4
4
7
0
2
0
4
4
4
2
2
2
11
2
0
2
2
0
2
0
2
2
0
0
2
0
2
0
2
0
2
0
0
0
2
0
4
3
2
0
2
0
2
2
0
0
2
2
0
0
2
0
0
0
2
0
0
0
0
0
0
0
2
0
2
0
0
4
0
0
0
0
4
0
0
2
2
2
2
0
2
4
2
4
2
2
