0
0
0
2
2
0
2
0
0
4
4
2
0
0
0
2
0
6
0
4
2
0
4
2
2
2
0
6
0
0
4
0
0
2
0
2
0
4
4
0
4
0
0
0
2
0
0
6
2
0
2
2
2
0
2
44
6
4
0
2
0
0
0
0
2
2
2
0
2
2
0
0
0
0
4
0
0
0
0
2
2
0
0
0
2
2
4
0
2
0
4
0
6
0
0
0
2
2
2
2
0
4
0
0
2
4
0
6
0
6
2
4
2
0
4
2
0
0
2
0
2
4
0
0
0
0
0
0
2
2
0
0
2
0
2
2
0
6
0
0
2
0
0
2
2
2
0
0
21
2
0
2
0
2
0
4
0
0
2
2
2
2
2
0
4
4
2
2
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
4
0
0
0
2
2
2
2
2
0
0
2
4
2
6
2
2
2
0
2
0
2
2
0
0
4
0
2
0
2
0
4
0
2
2
0
2
0
2
2
2
4
0
2
2
2
0
2
2
4
2
2
2
0
0
0
0
2
2
2
0
2
0
0
52
2
0
0
2
0
2
2
4
0
0
0
0
2
2
0
2
2
0
0
0
2
4
2
4
6
2
0
0
0
2
0
0
0
0
0
2
0
2
0
4
