0
2
2
0
2
0
2
0
4
0
0
2
2
0
2
2
0
5
0
2
4
2
4
0
0
2
0
0
2
0
13
2
2
2
2
2
0
0
2
0
4
0
0
0
0
2
2
0
2
4
2
4
0
0
0
0
2
4
4
2
0
0
0
0
2
2
2
0
0
2
2
0
0
4
2
0
0
7
2
2
4
0
0
0
0
0
0
0
4
4
2
0
2
0
2
2
2
0
2
2
0
2
2
4
2
2
0
6
4
52
2
2
2
0
6
0
0
0
0
5
2
2
4
37
6
0
0
4
0
0
0
0
6
2
0
2
0
2
0
2
0
2
9
2
4
2
2
0
0
2
0
2
5
2
0
2
0
2
4
0
2
0
0
0
4
5
0
2
0
0
6
0
0
0
4
4
7
2
0
0
0
4
0
2
0
21
2
0
0
0
6
0
0
2
0
4
2
2
0
2
0
2
2
2
0
0
0
0
0
28
2
0
0
4
2
0
6
0
4
2
0
0
4
2
4
4
0
0
2
0
0
2
0
0
0
0
0
0
0
2
0
0
0
0
0
0
2
0
4
0
2
0
2
2
0
0
4
2
2
0
0
2
0
4
2
0
2
2
0
2
9
0
0
2
0
25
2
2
0
0
4
2
0
0
2
4
2
4
