0
2
4
0
2
0
0
0
0
0
2
0
2
0
0
0
0
9
6
0
6
0
0
2
2
2
0
0
0
6
2
0
8
0
2
4
2
2
2
0
2
0
6
2
0
4
4
2
2
0
2
2
0
2
0
0
0
2
2
0
0
0
2
4
6
7
9
4
0
0
2
2
0
2
0
2
0
0
0
0
0
0
0
0
0
0
2
2
6
6
10
2
4
2
0
0
0
0
0
0
0
2
37
4
2
0
0
0
2
0
2
2
2
2
2
9
11
2
2
2
4
0
0
4
2
0
2
2
0
2
0
2
2
4
2
0
4
2
0
8
0
2
0
0
2
2
4
0
0
4
4
4
0
2
2
0
2
0
4
0
0
4
20
0
2
0
5
0
0
4
2
2
0
4
30
8
8
2
4
2
0
0
0
4
0
0
2
8
11
0
2
4
0
0
0
0
0
2
0
2
0
0
0
2
2
0
0
0
2
0
6
7
4
4
2
2
4
0
2
2
2
4
10
2
0
0
4
0
2
0
2
4
0
2
0
2
0
0
4
2
0
2
0
0
0
0
0
7
4
2
0
4
2
2
0
2
2
4
0
4
4
2
0
2
2
4
2
2
0
0
2
0
0
0
0
0
2
0
2
0
4
6
7
4
4
2
0
2
