0
2
4
4
0
2
6
2
4
2
4
2
0
2
0
2
2
0
0
0
4
2
9
0
2
6
4
0
6
2
0
0
0
0
0
0
6
6
26
4
0
2
2
0
4
4
2
4
11
6
0
2
0
0
0
0
0
0
4
2
18
9
2
4
2
2
4
2
0
2
5
4
0
0
0
4
2
0
2
2
2
2
4
0
6
6
2
4
6
6
4
0
0
2
2
2
6
2
0
0
2
2
0
2
2
2
0
11
2
0
2
2
0
0
4
0
0
2
4
0
2
4
2
20
7
11
0
2
2
2
2
0
6
2
11
4
2
9
2
0
2
29
0
2
0
2
4
0
2
6
2
2
2
2
2
2
4
39
4
2
2
0
2
0
0
2
4
0
0
0
0
0
4
0
2
8
2
2
4
2
4
2
0
0
0
2
5
2
2
2
2
0
2
2
2
0
2
0
2
5
0
0
2
4
2
2
2
2
4
2
2
4
0
0
0
2
25
2
2
2
2
4
4
4
0
0
4
0
6
0
4
7
0
0
2
8
0
2
2
2
4
0
2
2
6
4
47
4
2
5
2
0
2
0
2
2
5
0
0
0
6
2
2
4
0
0
2
4
6
2
4
2
2
0
0
6
2
0
0
0
4
0
6
2
0
2
13
0
