2
6
2
2
2
2
2
0
2
2
0
0
0
2
2
2
2
0
4
4
0
4
2
2
2
0
4
0
0
0
0
0
0
0
0
0
0
2
2
0
2
0
4
0
0
2
0
0
0
2
0
0
2
2
0
0
0
4
0
0
2
0
4
2
2
0
6
0
2
0
0
2
0
2
0
0
2
0
2
0
0
2
2
2
2
2
2
2
2
0
0
3
0
4
2
2
6
2
2
0
2
0
0
9
2
2
0
2
0
0
2
0
0
2
2
2
2
2
2
2
2
2
4
2
2
0
4
2
0
0
4
2
2
2
4
2
2
0
0
2
6
2
2
6
2
2
2
2
10
0
0
2
2
0
0
4
2
2
6
2
0
2
0
0
0
2
0
2
2
2
0
0
0
2
2
2
0
2
4
0
0
2
2
0
4
2
2
0
2
4
0
5
0
0
0
2
2
2
2
2
0
2
0
2
0
2
0
0
2
0
4
4
0
2
0
2
0
0
4
2
0
2
4
2
4
2
4
0
2
2
2
0
0
0
4
4
6
4
6
2
0
0
2
0
2
4
2
0
2
4
0
2
2
2
4
0
2
2
0
0
4
0
2
2
4
0
2
2
0
0
0
0
4
0
2
0
0
2
0
2
2
0
2
2
6
0
0
2
