0
0
0
0
2
2
0
2
2
0
2
0
0
0
2
2
0
2
0
4
2
0
2
2
0
0
4
2
2
2
7
2
2
0
2
2
0
2
0
2
0
4
0
4
0
2
2
2
0
0
2
2
6
2
2
4
0
2
2
0
2
0
2
6
0
2
4
0
0
0
2
2
0
0
2
2
2
0
2
0
2
2
0
2
0
0
4
0
2
2
2
0
6
0
4
2
6
0
0
0
2
2
7
0
9
0
4
2
2
2
0
0
0
0
8
2
2
2
6
2
2
2
2
0
0
0
0
2
2
0
0
0
2
2
2
2
0
2
2
0
2
4
2
6
0
0
4
0
2
4
2
0
0
2
2
2
2
2
0
0
2
2
0
0
2
0
0
2
0
2
2
4
2
4
2
0
0
6
0
4
6
2
0
4
6
0
2
2
2
0
0
4
2
0
0
2
2
5
0
2
2
2
2
2
2
0
2
0
4
0
0
2
0
2
0
10
0
6
0
0
0
0
2
0
2
4
2
2
0
0
0
0
2
2
0
2
0
0
2
2
0
4
2
0
6
2
0
2
0
2
0
2
4
2
2
0
0
0
0
0
2
2
0
0
2
2
4
2
6
2
0
0
0
0
0
2
4
0
0
0
4
2
2
2
0
2
2
0
