0
4
4
0
4
7
0
2
2
4
4
0
0
2
4
0
4
2
2
2
87
4
4
4
2
17
4
2
9
0
0
4
2
2
2
4
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
82
0
7
2
2
4
2
2
6
4
0
0
4
27
2
2
4
4
0
2
4
0
2
0
2
0
4
4
6
2
0
2
4
2
2
2
2
0
0
4
4
4
6
2
2
4
0
2
0
0
4
2
2
4
2
4
0
2
4
0
0
9
0
4
4
4
4
0
0
23
66
0
0
0
0
0
0
0
0
0
0
0
0
0
24
13
2
4
4
4
9
2
81
2
4
4
0
0
0
4
0
2
2
2
6
0
0
2
4
2
2
2
4
6
0
0
0
6
0
6
2
4
4
2
4
0
0
2
2
0
2
6
0
0
0
2
2
4
2
0
4
0
2
2
2
8
2
4
4
4
2
6
2
0
4
32
2
0
2
4
2
4
4
2
2
2
0
2
2
0
0
2
6
0
4
6
0
0
2
2
0
17
2
2
6
4
2
0
0
0
0
0
0
0
0
6
2
2
2
4
4
2
0
6
0
4
2
4
2
2
6
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
6
2
2
0
0
2
0
