6
4
4
2
2
4
2
0
2
2
2
0
0
0
2
0
0
0
6
0
4
6
4
2
2
2
6
6
0
6
0
4
0
0
0
0
4
0
0
0
0
0
2
2
0
2
0
0
0
0
0
0
0
6
2
0
51
2
0
0
4
2
2
0
64
0
2
0
6
4
0
0
0
2
0
2
57
0
2
2
2
2
0
0
2
6
4
0
0
0
2
2
0
0
0
4
4
4
0
0
0
2
0
2
4
2
2
4
2
4
0
0
0
4
0
4
0
2
0
2
0
2
0
0
0
2
0
0
0
0
0
0
0
4
0
0
0
0
0
2
0
0
0
0
0
4
2
2
2
0
4
4
2
4
2
0
2
4
0
0
0
2
2
0
0
0
0
42
4
0
4
2
0
2
8
2
2
2
0
0
6
2
2
2
4
2
4
0
0
0
0
0
4
2
2
2
0
0
0
0
4
0
2
0
2
6
0
2
6
2
2
0
2
0
0
2
2
2
0
0
4
0
0
0
6
0
0
2
0
0
0
4
2
4
0
47
0
2
0
2
2
2
2
0
0
4
0
4
0
2
0
2
0
0
6
4
0
7
2
4
52
0
4
4
2
2
2
6
0
6
2
4
4
2
2
2
2
4
0
4
4
0
2
2
4
2
6
0
