4
2
0
2
6
0
2
2
0
2
2
4
25
0
2
2
0
25
0
4
0
0
2
4
2
4
2
2
2
6
0
2
4
0
6
4
6
25
2
2
2
2
2
4
0
4
4
4
6
2
2
0
0
2
4
2
2
0
0
4
4
0
0
4
0
2
2
2
0
4
0
4
2
2
4
2
2
8
4
27
6
4
2
2
2
4
0
0
2
0
2
2
2
0
4
2
4
4
2
4
6
2
2
0
0
2
2
4
0
2
6
2
6
2
2
0
0
0
4
23
2
2
4
0
0
2
4
0
2
0
4
2
6
0
2
0
6
0
2
0
4
4
2
2
4
0
0
4
0
2
0
0
2
4
0
4
2
0
0
0
2
2
0
4
4
2
2
2
0
2
2
4
2
2
4
2
0
0
0
2
2
2
4
0
2
0
0
2
6
6
4
2
4
2
2
2
4
2
4
0
2
0
4
2
2
4
0
2
4
0
18
0
2
0
2
0
2
2
4
2
0
0
2
4
2
20
4
4
2
2
2
0
4
2
0
2
0
2
2
0
53
4
0
4
2
0
2
4
0
4
2
2
0
6
4
4
2
0
0
0
0
0
2
20
0
6
0
2
0
0
4
2
2
6
2
4
2
2
6
2
0
0
0
4
2
0
4
0
