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