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