4
0
2
0
0
2
0
4
2
4
2
0
4
2
19
2
4
4
0
4
2
0
0
2
0
2
2
4
2
0
4
0
0
0
2
0
0
2
2
2
4
0
0
2
27
21
0
0
4
0
4
2
4
0
0
0
2
2
0
2
2
2
0
2
4
4
4
0
2
0
0
0
4
2
0
0
2
0
2
0
2
2
4
2
2
2
0
4
4
0
4
4
2
0
0
2
4
0
2
2
2
0
0
2
0
2
2
0
2
2
0
2
4
4
0
2
2
4
2
6
4
0
0
2
2
2
0
0
4
2
0
0
0
2
0
2
0
0
4
2
0
6
4
2
4
2
0
0
2
2
2
4
4
0
4
2
2
4
19
4
4
6
2
4
4
2
4
2
0
4
0
0
2
2
2
4
2
0
2
4
2
4
2
2
2
2
2
0
4
2
2
2
4
2
2
6
2
4
0
2
4
0
4
0
2
4
2
0
2
0
4
6
0
0
4
2
0
4
4
0
23
0
6
4
4
2
0
6
4
2
0
2
2
2
0
0
2
0
0
4
4
2
0
2
0
0
0
0
4
0
2
2
0
2
36
0
2
4
2
2
2
0
2
2
2
4
0
0
19
2
2
0
0
2
2
6
4
0
0
19
2
0
2
2
0
4
0
0
