2
2
0
0
0
2
2
0
4
4
2
2
2
0
0
2
2
0
2
2
0
2
2
0
0
2
0
0
0
2
0
4
2
2
0
2
0
1
0
0
2
2
4
4
0
0
2
2
0
0
0
0
2
2
2
2
2
0
2
0
2
2
6
0
2
2
2
0
0
0
0
2
2
2
2
2
2
2
2
0
2
2
2
0
1
2
0
2
2
0
5
4
2
0
2
0
0
2
2
2
2
4
2
2
2
4
2
2
2
0
2
4
4
2
2
0
0
2
0
2
0
2
2
0
4
4
0
2
0
2
0
2
5
2
4
4
0
0
2
2
2
2
0
0
2
4
2
2
2
2
2
2
2
4
5
0
9
2
0
2
2
0
0
0
0
2
2
4
3
2
2
0
2
2
2
4
2
0
2
0
2
0
0
0
1
2
0
0
0
0
0
0
4
0
4
0
2
4
7
2
0
2
2
0
0
2
0
0
2
2
2
2
2
0
0
0
0
0
2
2
2
0
2
0
2
0
0
2
2
0
4
2
2
2
0
2
2
0
2
2
2
2
0
4
8
0
0
2
2
2
2
0
0
0
0
4
0
2
2
0
2
0
4
2
2
2
0
0
5
0
0
2
0
0
0
2
0
0
2
2
0
0
2
0
4
0
2
0
