0
2
4
2
2
2
2
0
0
0
4
0
0
2
2
0
0
0
4
0
2
0
4
0
0
4
0
4
2
2
2
2
2
0
0
4
0
0
4
2
4
0
0
0
0
0
2
6
0
0
6
2
4
8
2
0
0
0
0
2
0
2
2
0
2
0
0
0
0
2
0
2
6
2
4
2
2
0
4
2
8
0
8
2
0
2
2
0
4
2
6
6
0
4
0
2
0
2
2
0
2
0
4
0
2
3
11
0
0
0
13
0
4
0
2
2
4
0
4
2
2
2
7
0
2
2
0
2
8
0
0
2
2
0
0
10
0
0
6
8
2
2
0
2
2
0
2
0
0
2
2
2
4
2
2
0
0
4
2
2
2
7
0
0
2
0
0
0
2
6
2
2
2
6
2
0
0
0
2
0
4
0
2
2
2
2
4
2
4
0
0
0
2
0
0
4
0
0
0
2
0
0
2
2
4
0
0
2
0
2
4
3
0
2
2
2
2
2
0
0
2
2
0
0
0
2
0
0
2
0
0
2
0
4
0
0
0
0
0
0
2
0
0
0
0
6
0
2
2
9
2
6
0
0
2
2
0
0
2
2
0
0
6
5
0
0
0
2
2
6
8
2
2
2
2
0
0
2
0
2
6
4
0
2
0
2
6
0
