0
4
19
0
2
4
2
0
0
0
2
2
2
4
4
23
0
0
2
4
2
2
0
2
4
2
0
0
0
2
2
0
0
4
0
4
0
6
2
4
4
2
2
0
2
0
4
4
6
2
0
4
2
4
0
2
6
2
2
2
4
0
2
23
4
2
0
2
2
4
4
4
0
0
4
2
6
0
4
0
2
2
2
4
0
2
0
0
4
0
4
2
19
0
6
4
4
0
2
2
0
0
2
2
2
2
4
2
2
2
0
4
2
2
4
2
4
2
4
4
0
0
2
2
2
0
4
2
2
0
2
0
0
0
6
2
4
2
0
2
2
2
0
2
2
2
0
2
2
4
4
0
0
2
0
2
2
0
4
2
0
0
2
0
2
0
2
0
2
2
2
4
0
0
0
2
4
0
2
21
4
4
0
6
2
0
2
4
4
0
17
0
2
2
4
4
2
2
2
2
2
2
0
2
0
6
0
2
2
4
0
4
0
2
0
2
2
0
0
2
4
2
0
2
0
2
2
2
0
0
4
2
0
8
0
4
2
0
2
4
2
0
0
6
0
2
0
8
2
0
4
2
2
2
0
2
4
6
0
8
0
4
4
0
4
0
2
2
0
0
0
4
4
0
0
0
0
0
0
6
0
2
2
4
4
6
0
2
