0
2
2
0
2
0
2
0
2
0
4
2
2
2
2
0
2
2
0
0
0
0
0
0
0
0
0
2
0
0
0
2
0
0
2
2
2
0
19
2
2
2
0
2
0
2
4
2
2
0
2
0
2
6
0
2
2
2
2
2
2
2
2
2
0
0
2
2
2
0
2
0
0
0
4
2
2
0
2
0
2
0
0
2
0
0
0
2
2
2
2
0
0
0
0
0
2
0
0
2
2
2
2
0
2
2
0
2
6
2
2
2
2
2
2
2
2
0
0
2
2
0
2
0
0
0
2
2
0
2
0
0
0
0
2
2
0
2
0
4
2
0
4
0
0
0
2
2
2
0
2
2
0
0
0
0
0
24
0
0
2
2
0
0
2
2
2
0
0
2
0
0
2
2
2
2
2
0
0
0
0
4
2
2
2
2
0
2
0
2
2
2
0
2
0
2
2
2
2
2
2
0
0
2
0
2
2
2
2
0
2
0
2
2
2
2
2
4
2
2
17
0
0
0
2
0
0
2
0
2
2
0
4
0
0
0
0
2
0
2
2
2
0
8
2
2
2
0
2
6
2
2
2
4
2
6
0
0
0
2
2
2
0
0
0
0
0
0
0
2
2
0
2
2
0
2
2
0
2
0
2
0
0
2
2
2
0
0
