0
0
4
2
4
2
2
0
2
0
0
0
0
2
2
2
0
2
2
2
0
0
2
2
2
4
0
6
0
4
0
4
2
0
0
0
0
0
2
0
2
2
2
2
8
2
4
0
0
6
2
0
0
2
2
4
6
0
0
4
0
2
4
0
2
4
2
2
2
2
2
2
2
2
0
0
2
0
2
4
2
2
0
2
12
2
2
2
0
4
4
2
0
2
4
2
2
0
0
8
2
2
4
0
0
2
2
4
2
2
21
0
6
2
0
0
6
2
4
6
2
4
4
2
2
0
2
2
0
2
0
2
4
2
2
0
2
2
0
4
0
0
2
2
2
0
23
4
0
8
6
4
4
0
0
0
2
0
0
0
2
2
2
2
14
2
4
2
4
4
0
4
2
26
2
0
4
2
4
2
4
6
0
2
2
0
2
0
14
0
2
4
0
0
0
2
2
4
2
0
0
2
2
0
2
4
0
6
4
2
2
2
0
10
4
2
4
0
2
4
2
2
2
2
4
0
2
0
2
2
2
2
0
0
4
0
4
2
0
6
2
0
0
0
0
2
4
0
0
2
2
4
4
4
0
0
2
2
0
6
4
0
2
4
4
0
6
0
8
0
2
0
0
2
0
2
4
2
0
2
4
2
2
6
0
2
0
0
