2
0
2
2
0
0
2
0
0
2
2
0
0
0
2
2
0
0
2
0
2
0
0
0
0
0
4
0
6
0
0
4
2
2
2
0
0
0
2
2
0
4
2
2
0
2
2
2
0
0
2
0
4
2
2
4
0
2
4
0
0
0
4
2
2
4
4
0
0
0
0
4
2
2
2
2
0
19
2
4
6
4
7
2
0
0
0
0
0
0
5
2
4
0
2
0
2
2
2
0
0
2
2
5
0
0
4
4
2
2
0
4
6
8
50
0
2
0
2
0
0
0
2
0
4
13
0
0
0
0
0
0
0
2
0
0
0
8
4
2
4
2
4
2
4
5
0
0
2
7
0
0
0
0
0
2
2
2
0
2
0
17
6
2
4
15
2
4
2
2
2
0
2
0
4
2
0
0
0
2
2
2
0
2
3
21
4
2
0
4
2
0
5
0
2
2
0
4
4
2
0
0
0
2
4
0
2
2
4
11
2
2
2
0
0
0
2
2
0
0
2
0
4
2
0
2
2
8
4
0
6
4
2
2
4
2
4
6
0
2
0
0
2
0
4
17
2
2
0
2
4
0
0
0
4
0
2
4
4
2
2
0
2
2
0
0
0
0
0
2
0
0
0
2
0
0
0
0
0
0
0
2
0
0
0
33
2
0
