2
0
2
0
2
0
0
0
8
0
4
2
4
2
0
4
2
2
2
2
4
0
2
2
2
0
0
2
0
2
0
2
2
0
6
0
2
0
4
2
0
4
0
2
0
17
0
0
4
2
0
2
6
0
4
2
2
4
6
0
4
0
2
4
2
4
0
4
0
0
0
2
0
0
0
0
2
0
0
2
2
0
2
4
2
2
0
2
2
0
4
4
2
2
0
4
2
0
2
3
4
0
2
0
2
2
2
0
0
2
0
6
2
2
2
0
0
2
0
0
0
0
4
0
2
2
4
0
2
0
2
0
2
0
0
0
4
0
0
2
2
2
0
2
0
2
2
2
2
2
0
0
4
2
2
2
4
2
2
2
0
6
4
2
0
0
0
0
0
2
4
4
2
6
2
0
24
0
2
2
0
2
4
4
2
0
2
2
4
0
0
2
19
25
2
0
0
0
16
6
2
0
2
6
2
2
2
0
0
0
0
0
2
0
2
0
2
0
2
5
6
2
0
2
2
4
0
0
2
6
2
2
4
4
4
0
0
2
2
4
2
4
0
0
0
2
0
0
2
0
0
0
0
2
0
2
0
0
2
0
0
2
0
2
0
0
0
0
2
4
0
2
2
0
2
2
2
2
4
2
0
4
4
2
2
4
0
2
