6
0
6
2
0
4
0
0
2
2
0
2
2
0
2
4
4
4
0
2
2
4
4
6
0
2
2
6
2
4
0
0
2
4
4
0
0
2
2
2
2
0
2
0
2
4
2
2
0
4
2
2
2
2
6
0
2
2
2
2
0
0
0
2
0
0
0
2
0
0
0
0
4
2
0
4
0
2
6
4
4
6
2
2
0
0
4
0
0
2
0
4
2
4
6
0
2
0
4
2
2
0
2
4
4
2
2
4
6
2
4
2
0
2
2
0
4
0
2
0
0
6
2
4
4
4
2
0
6
2
0
0
0
2
4
0
0
2
0
0
4
2
0
0
0
0
2
4
0
0
0
2
0
0
0
0
0
0
2
4
2
2
4
2
2
0
6
0
0
0
0
4
14
8
2
4
2
6
0
0
0
2
2
4
2
2
2
4
2
0
2
0
2
2
0
2
2
0
73
4
4
0
0
0
4
4
0
6
0
2
0
4
2
4
0
0
0
2
2
0
2
0
4
4
2
0
2
0
0
2
0
4
0
2
0
0
0
2
4
0
2
4
2
2
0
0
0
2
2
0
0
0
2
4
0
2
8
0
2
2
4
2
2
2
2
4
2
92
2
2
4
2
4
2
2
2
2
4
4
4
4
2
2
2
2
2
2
2
