2
2
0
2
4
2
2
4
2
0
0
4
2
2
0
0
6
2
0
0
6
6
2
4
4
4
0
2
2
0
0
4
6
4
0
2
2
0
0
4
0
2
0
2
2
2
2
0
0
2
0
0
0
0
4
0
2
2
2
2
0
4
4
4
0
2
4
2
0
2
2
4
4
4
2
2
0
2
0
0
0
6
2
2
2
2
0
0
0
0
0
2
2
4
0
2
2
4
2
0
0
2
2
2
0
0
2
2
4
0
2
4
0
2
0
2
2
2
0
2
0
2
0
2
2
4
2
0
0
0
0
6
4
0
0
4
4
4
0
0
0
2
0
4
2
0
2
0
2
2
2
4
0
0
4
0
0
4
0
8
4
4
2
2
2
0
2
0
0
0
2
2
2
2
2
0
2
0
0
0
0
2
0
6
4
2
0
0
0
0
4
0
0
2
2
4
2
2
2
0
2
2
0
0
0
2
0
4
0
0
4
4
0
2
2
2
0
0
0
2
0
4
0
0
0
2
0
4
2
0
2
4
0
2
0
2
2
2
4
0
4
2
4
4
2
2
2
2
3
2
4
2
2
0
6
8
4
4
4
4
2
4
2
4
2
4
2
4
4
6
2
4
2
2
0
2
0
4
2
6
4
4
2
0
0
23
24
4
