0
0
0
2
4
2
2
4
2
0
6
2
0
2
4
52
0
2
0
2
2
2
0
6
2
0
2
4
2
16
20
0
2
0
0
2
2
0
0
0
2
4
0
2
4
0
0
0
0
4
0
2
2
2
2
2
4
0
0
2
4
0
4
0
2
16
2
0
2
0
2
2
4
0
0
4
6
0
0
2
0
2
0
2
0
2
4
0
0
0
2
0
0
2
2
8
2
4
0
0
0
2
0
0
4
0
2
4
6
2
6
0
0
2
0
4
2
2
0
16
2
4
0
2
2
0
0
4
20
2
2
0
0
2
2
0
2
2
2
2
2
2
2
2
0
2
2
0
0
0
2
2
0
0
0
2
2
2
2
0
0
2
4
2
0
4
2
2
27
0
0
6
2
2
0
4
0
0
0
0
2
0
2
4
0
2
2
0
2
4
2
4
0
0
0
4
2
0
2
0
2
2
2
2
2
2
0
0
0
0
0
0
2
0
2
0
2
2
2
0
2
2
4
2
2
12
2
2
14
2
0
0
0
2
6
0
6
2
2
4
0
0
0
0
2
2
4
4
0
0
0
0
2
2
6
17
4
0
4
4
2
4
4
0
0
2
2
2
4
0
0
2
14
0
0
2
2
0
2
2
2
2
4
0
0
2
0
2
