0
2
0
0
0
0
2
4
4
9
0
2
0
2
0
2
2
0
0
0
2
0
0
2
2
0
4
0
2
0
2
0
0
0
2
0
0
4
2
2
2
2
2
0
2
4
2
0
0
0
2
0
2
2
2
0
0
2
2
0
2
2
2
2
0
0
2
2
6
2
2
0
2
0
0
2
0
4
0
2
0
2
2
0
0
0
2
4
2
0
0
2
0
2
2
0
0
0
0
2
0
0
0
2
0
0
2
2
0
2
0
0
0
2
8
2
12
0
0
0
0
2
2
0
2
2
8
2
0
2
2
0
0
4
2
0
2
0
0
2
2
0
2
2
0
0
4
0
0
2
2
2
0
2
2
2
0
0
0
2
0
2
0
0
0
4
0
0
0
2
0
0
14
2
0
0
0
0
0
0
2
4
0
0
0
0
0
2
2
0
0
2
0
2
0
2
2
0
0
4
2
0
2
2
0
4
0
0
2
0
0
0
2
0
0
2
2
2
2
2
2
4
2
4
2
0
0
0
0
0
2
0
0
2
0
0
0
2
0
0
2
0
2
2
0
2
2
2
0
0
0
0
2
4
2
0
2
0
2
2
4
0
0
2
4
2
0
2
0
0
2
2
2
2
2
2
2
2
2
2
0
2
0
0
0
2
0
2
