0
0
0
4
2
0
0
2
2
0
0
18
0
0
4
2
2
2
2
4
0
0
0
0
4
0
0
0
0
2
2
3
4
2
0
0
2
2
2
2
21
0
2
2
0
2
4
2
3
0
0
0
4
6
0
0
0
2
4
2
2
0
2
2
2
2
2
0
2
2
0
2
2
0
2
0
31
2
2
0
2
0
0
0
0
4
2
0
4
2
4
0
0
0
2
4
2
2
0
2
19
4
14
0
4
0
4
0
4
2
14
0
2
0
0
2
0
2
0
2
4
0
2
2
15
4
4
0
0
2
2
0
2
0
2
0
2
0
0
2
0
0
4
2
2
2
0
2
0
2
0
2
2
0
0
0
0
0
2
0
0
0
2
4
2
0
4
0
0
2
2
0
0
0
2
0
0
2
2
0
0
0
4
2
0
0
0
2
2
2
2
0
2
0
2
0
0
0
2
4
0
2
2
0
4
4
0
2
0
0
2
2
0
0
2
0
15
2
2
0
2
2
0
15
2
2
0
2
4
0
0
0
0
2
2
2
4
2
4
2
2
0
0
0
2
2
2
0
2
2
2
2
0
0
2
4
2
0
0
2
4
2
4
2
0
0
2
0
0
4
0
0
2
2
13
0
0
2
0
2
2
2
0
0
2
2
2
0
