2
4
0
2
2
0
0
2
4
2
2
0
2
0
0
2
2
2
2
4
0
2
0
2
2
0
2
2
9
2
2
0
4
4
0
2
2
5
4
2
0
2
2
2
0
10
2
2
0
2
0
2
8
4
0
3
4
2
0
2
4
2
2
2
2
2
2
2
0
0
2
0
4
2
2
2
2
2
0
0
4
2
2
0
0
0
0
4
0
2
0
2
0
0
0
2
0
0
0
2
0
0
2
4
4
2
0
2
2
0
2
2
2
0
0
4
4
0
2
2
0
2
2
4
2
4
4
2
4
2
0
4
0
2
2
2
2
0
0
4
2
2
4
2
2
6
2
0
4
2
4
0
4
2
2
2
2
4
2
2
6
6
2
4
2
0
3
0
2
2
4
0
2
2
0
2
0
4
4
2
2
2
0
0
2
0
2
2
0
0
4
0
2
2
0
0
2
0
2
2
4
0
2
2
2
0
2
0
0
0
0
0
2
2
2
0
2
2
2
2
0
0
0
0
0
2
0
2
0
2
0
0
2
2
2
2
2
2
0
0
2
2
2
2
2
0
2
0
0
2
0
4
0
2
0
0
0
0
2
4
2
0
2
0
0
0
2
0
2
0
0
0
0
0
0
2
2
0
0
0
0
2
0
4
2
4
0
0
