4
2
2
2
7
4
2
2
0
2
4
2
2
2
0
2
0
2
2
0
0
4
2
0
6
0
2
0
6
0
0
2
6
3
6
0
2
0
4
0
2
2
0
2
0
2
0
0
2
2
2
0
6
0
2
2
2
0
2
2
0
2
0
0
0
4
0
2
4
0
2
1
4
0
0
4
0
0
0
2
0
0
2
2
0
3
0
2
2
0
6
0
0
2
0
2
0
2
0
2
0
0
2
0
0
2
0
0
2
0
2
4
0
2
4
2
4
6
2
2
2
3
0
0
11
0
2
2
0
0
0
4
2
0
2
2
2
2
4
4
2
0
2
2
4
4
6
4
2
0
0
2
0
2
0
4
0
2
4
0
2
2
2
0
0
6
2
0
0
0
0
2
2
2
4
4
2
0
0
0
2
4
0
2
0
2
0
4
2
4
0
0
0
4
4
2
0
0
0
0
2
4
0
2
0
0
0
2
2
0
0
0
2
2
0
2
2
0
2
0
2
0
2
0
0
2
4
2
2
0
0
4
0
2
2
4
0
0
0
0
1
2
2
2
0
2
0
0
2
2
2
2
2
0
2
2
2
0
0
2
0
2
2
4
4
0
0
0
0
0
2
0
2
2
2
2
0
2
0
0
4
0
2
0
0
6
0
6
