2
2
0
4
2
0
4
6
2
2
0
4
4
2
2
4
2
0
4
2
2
2
2
4
4
0
2
2
2
4
2
2
0
4
2
33
4
4
0
4
4
2
2
2
0
2
0
0
0
2
0
4
4
2
6
0
4
0
4
2
2
2
2
4
0
6
2
2
2
2
6
0
0
0
2
2
2
2
2
2
4
2
4
2
2
2
4
2
0
2
4
0
0
4
4
4
4
4
4
2
6
4
2
2
2
0
0
4
2
0
4
4
2
2
2
2
2
0
0
0
2
0
2
2
0
2
4
0
4
2
17
2
2
0
2
4
2
2
2
0
4
2
0
0
0
0
0
0
6
2
2
2
4
0
2
0
0
2
0
0
2
0
0
0
0
2
0
4
4
0
2
0
0
2
0
2
2
2
2
2
4
2
2
2
4
4
4
0
2
2
2
2
6
2
2
0
4
2
4
4
2
6
6
4
0
2
0
0
2
0
2
2
0
0
2
2
0
2
2
2
0
2
2
4
0
0
0
4
4
2
2
27
0
0
4
0
4
21
6
4
2
2
2
2
2
2
0
0
4
2
2
2
0
0
2
0
2
4
2
0
4
2
0
2
2
0
2
0
6
0
4
6
2
2
0
0
2
8
2
2
4
2
0
0
4
4
0
0
