0
0
2
0
2
2
0
0
0
0
0
2
0
0
0
0
4
2
0
0
2
2
0
2
4
0
2
2
4
0
0
2
0
2
2
0
2
0
0
0
2
2
2
2
0
2
0
0
0
0
2
2
6
2
2
4
2
2
0
2
0
0
2
6
2
0
0
0
0
0
2
0
0
2
0
0
2
2
0
4
2
0
2
2
4
2
2
2
0
2
2
0
2
0
0
2
0
0
2
2
0
0
2
0
2
0
0
2
0
2
0
0
0
2
0
2
2
0
2
2
0
4
0
4
0
4
2
0
2
2
2
2
0
0
0
2
0
0
0
0
2
0
0
0
2
0
2
4
0
0
0
2
0
0
0
0
2
2
0
0
0
2
0
0
2
0
2
2
4
2
0
4
2
0
0
4
0
0
2
2
0
2
2
2
0
2
3
2
2
0
4
2
2
0
4
2
0
0
2
2
2
2
0
4
2
0
0
2
0
3
0
0
0
0
0
2
0
2
2
0
4
0
2
0
0
2
0
0
6
0
0
2
2
0
2
2
2
2
2
2
0
4
0
3
0
2
0
0
0
0
0
2
2
0
2
0
0
0
2
2
0
2
2
2
0
0
0
2
0
2
2
2
0
0
0
2
0
2
3
0
2
2
2
2
0
2
0
2
