0
7
2
0
4
0
2
6
0
0
0
4
0
2
0
0
0
2
4
2
2
4
2
2
2
2
2
0
6
2
0
0
0
4
2
2
0
0
0
2
2
4
2
2
2
0
0
2
0
0
2
2
4
2
2
0
2
4
2
2
6
2
2
2
2
11
7
0
6
0
2
2
0
2
2
2
0
0
6
15
4
2
0
2
8
2
4
0
2
2
0
4
0
2
6
0
0
0
0
2
0
4
8
2
2
2
2
0
2
4
17
2
4
2
6
2
2
0
2
0
17
0
0
2
0
5
2
0
2
2
2
7
4
4
4
3
2
12
2
2
4
4
4
0
0
2
0
4
4
2
4
0
4
2
2
2
0
2
0
0
2
4
4
2
2
0
2
2
0
2
4
2
2
2
5
2
6
6
0
4
2
4
2
4
2
4
2
4
2
4
2
2
4
2
2
2
0
9
2
2
0
0
2
2
0
2
4
2
4
2
2
2
2
2
0
4
2
2
4
0
2
2
2
2
0
0
2
4
0
0
2
0
4
2
2
2
2
2
2
4
0
0
2
0
2
2
0
4
2
4
2
2
0
0
4
3
2
4
2
2
2
0
4
2
0
2
2
2
4
4
2
2
2
0
4
2
2
4
0
0
4
2
0
2
0
0
2
0
