0
4
0
0
15
25
2
4
4
2
4
4
0
0
2
0
0
0
4
4
4
0
0
0
2
0
0
4
0
2
0
0
0
0
0
2
2
0
0
0
0
0
5
2
4
0
0
2
2
0
0
0
0
4
0
0
2
4
8
6
2
4
0
0
0
0
8
8
2
2
6
4
0
0
0
0
2
2
0
0
0
2
0
0
0
2
2
2
2
0
0
0
0
0
2
0
0
2
0
0
0
2
8
2
6
0
2
2
2
2
10
2
2
13
0
4
2
0
0
0
0
0
0
4
2
2
2
4
4
2
0
2
2
0
2
0
0
2
2
0
2
2
0
0
2
2
2
0
0
0
4
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
2
8
2
6
4
0
0
0
2
0
2
2
2
8
2
2
2
0
0
2
4
0
6
4
2
0
8
0
2
0
2
70
0
2
2
2
4
0
0
2
2
2
2
2
0
0
4
0
2
0
0
2
2
2
2
2
4
2
2
0
0
0
0
2
2
2
0
0
2
6
0
2
0
0
2
2
0
2
2
2
0
0
2
2
0
4
0
0
0
2
2
0
0
0
2
10
4
2
4
4
0
2
4
0
0
0
2
0
2
4
2
0
2
4
0
0
