9
0
0
2
2
0
4
0
0
0
4
6
0
4
2
0
0
2
2
0
4
0
2
4
2
4
0
0
2
2
9
4
7
2
4
2
2
0
0
0
5
2
0
4
6
0
4
6
6
0
2
8
0
4
4
0
2
0
8
0
0
4
4
2
0
4
0
0
6
2
6
2
7
0
2
2
4
4
2
4
6
2
2
0
0
6
0
0
8
0
8
3
4
2
0
3
6
4
2
2
0
2
4
4
5
4
2
6
0
0
2
4
0
0
0
4
0
0
2
0
0
2
8
0
0
7
3
77
7
2
5
2
0
10
0
0
4
5
2
3
6
14
2
2
0
2
2
3
3
0
0
9
0
4
3
0
0
2
8
2
0
0
0
2
4
0
2
0
2
4
1
3
0
2
2
47
0
5
4
4
12
4
2
4
0
6
2
2
0
2
8
0
2
2
0
2
6
2
0
0
0
2
4
2
4
2
2
2
6
0
0
4
2
2
13
4
0
0
4
5
2
0
3
0
4
4
4
6
4
4
6
4
4
2
0
2
5
0
2
6
2
4
0
0
2
0
0
6
2
7
0
0
2
2
0
2
0
2
3
6
6
2
2
0
4
7
0
0
3
2
2
4
0
0
0
6
4
2
0
13
2
5
0
0
4
4
16
6
