0
2
0
2
2
0
4
0
0
2
2
0
2
0
0
0
2
4
0
2
2
8
0
2
4
0
4
0
0
2
4
2
0
0
0
2
2
6
0
0
2
0
2
8
0
2
2
2
0
2
2
4
2
0
0
8
4
6
4
0
4
2
2
0
0
0
8
6
2
2
2
0
2
0
2
8
2
2
17
2
2
2
0
2
6
2
4
4
4
0
4
2
2
2
4
4
0
2
0
2
0
2
0
0
4
0
0
4
0
2
4
2
4
0
0
6
2
4
6
4
4
2
4
4
0
0
0
2
0
2
0
0
0
0
17
0
2
0
2
2
2
0
2
2
0
0
4
2
6
0
4
4
10
0
0
4
4
0
0
2
2
0
2
2
4
2
0
0
8
2
2
4
2
0
0
4
0
4
4
4
0
0
0
2
0
2
2
0
4
0
2
10
2
2
0
2
14
4
0
4
0
6
2
2
6
2
11
2
6
0
2
2
0
4
6
4
2
2
4
4
0
2
4
0
2
0
2
0
2
2
2
2
0
2
2
2
2
2
0
0
2
2
2
2
0
4
0
6
0
0
2
0
0
0
2
2
2
4
2
0
4
2
4
2
2
0
2
0
2
2
4
2
2
2
2
2
2
2
2
15
0
0
2
2
0
0
0
0
