2
2
2
4
2
4
0
0
6
2
2
4
0
0
0
2
2
2
2
0
2
2
17
4
4
2
0
2
4
19
4
2
0
2
2
4
0
0
4
0
2
2
4
4
4
0
0
4
4
2
4
2
4
2
2
2
0
0
2
0
4
2
2
0
4
2
21
0
4
2
0
2
4
0
4
4
2
6
0
2
0
2
4
0
0
2
0
2
4
4
39
2
0
0
0
0
2
0
2
2
4
2
6
0
0
0
2
0
2
0
2
0
4
2
2
0
0
2
2
2
0
2
0
0
0
2
2
2
4
4
4
0
0
0
2
4
0
2
36
2
2
2
2
4
2
4
2
2
0
2
4
4
2
0
2
4
0
2
8
0
2
2
4
2
2
2
2
2
0
2
0
2
2
2
2
5
0
2
0
4
0
0
0
2
4
4
25
2
2
4
0
0
0
0
2
2
2
4
4
2
0
2
2
0
0
2
0
0
2
4
6
6
4
0
2
0
0
2
2
0
6
2
8
2
4
0
4
2
4
0
0
0
4
0
2
4
2
4
0
2
0
4
2
0
2
6
2
2
2
0
2
2
2
0
2
2
4
0
0
2
0
53
2
2
0
0
2
4
4
15
4
2
2
0
0
4
0
0
4
4
0
2
0
4
4
0
2
2
