0
0
4
0
0
0
0
0
2
2
0
2
0
2
0
2
2
4
0
2
2
0
2
2
2
2
2
0
0
2
0
0
23
2
0
2
0
2
0
0
2
0
2
0
2
2
2
2
0
0
0
2
0
0
2
0
2
2
0
0
0
4
0
2
4
0
2
2
2
0
2
0
0
0
2
2
2
2
0
0
0
0
2
0
0
0
2
2
0
0
0
0
2
2
2
16
2
0
4
0
0
0
0
0
2
2
0
2
2
0
0
2
2
0
4
8
2
2
2
2
0
2
0
0
4
2
2
0
0
0
0
0
2
0
2
4
2
0
0
2
19
0
2
2
0
0
0
4
4
2
0
0
2
21
2
2
2
2
0
2
0
0
4
4
0
0
0
0
0
2
0
0
0
4
0
0
2
0
2
0
0
0
2
0
2
0
0
2
0
0
2
2
2
2
0
0
0
0
21
2
0
0
0
2
2
2
2
0
2
2
2
0
0
2
12
0
0
2
2
2
2
2
2
2
2
0
0
2
2
0
0
0
0
0
2
0
4
0
2
2
0
2
0
0
0
23
0
2
0
0
0
2
0
2
2
0
0
2
4
2
0
2
2
0
2
2
2
0
0
0
2
2
0
2
0
0
0
0
2
2
0
2
2
0
2
0
2
0
