4
0
0
0
2
2
4
0
0
2
0
0
2
2
0
0
2
4
0
0
2
15
2
0
2
4
0
4
4
2
6
0
4
2
4
4
0
0
4
11
2
6
2
2
2
2
6
4
0
2
4
2
4
0
17
0
0
2
0
4
2
2
2
0
2
2
0
2
0
4
4
2
0
0
0
2
2
2
0
2
4
4
4
6
0
2
0
2
4
2
0
6
2
2
4
2
0
2
0
2
0
0
0
0
4
2
4
2
4
0
4
6
2
4
6
2
0
0
15
0
4
2
2
2
17
6
2
2
2
0
2
2
2
2
4
2
0
4
0
15
2
0
0
2
4
0
0
0
0
2
0
2
2
0
2
0
0
4
2
6
6
2
6
2
6
2
0
0
4
4
2
0
4
0
0
2
4
0
0
0
0
4
0
0
0
2
2
6
2
4
2
2
2
2
4
4
2
0
0
2
0
4
2
4
0
6
4
0
0
4
0
10
0
15
2
4
15
2
0
4
4
4
13
0
0
4
4
2
2
0
0
6
2
4
0
6
0
16
2
0
4
2
15
6
0
4
2
4
2
2
0
21
2
2
4
0
15
2
2
0
2
8
2
0
0
4
0
6
0
2
0
2
15
2
0
0
6
0
2
4
2
2
0
2
6
0
0
0
