0
2
2
2
2
0
2
2
2
2
2
0
0
0
2
2
0
2
0
2
0
0
2
0
0
2
0
2
0
0
4
0
2
2
0
2
2
2
0
2
2
2
4
0
0
0
2
2
2
0
40
0
2
4
0
2
2
0
2
0
0
0
0
0
2
2
23
2
2
3
4
4
0
2
0
0
2
0
0
2
2
2
2
2
2
2
0
2
0
2
2
4
2
0
0
2
2
2
0
0
2
2
0
2
0
0
0
2
2
2
0
0
2
2
2
4
2
2
0
0
0
44
0
0
0
0
0
0
0
0
0
2
2
0
2
2
2
0
0
0
2
0
2
2
0
0
2
3
0
2
2
2
2
2
0
0
2
2
2
2
2
0
0
35
2
0
2
0
0
2
2
0
0
2
2
2
0
0
0
4
0
0
2
2
0
2
2
0
0
0
0
0
0
2
0
41
1
0
0
0
0
2
2
2
0
4
2
2
33
0
0
2
2
2
4
0
0
2
0
2
0
4
0
2
0
0
0
0
0
2
0
2
2
2
0
2
0
0
0
0
0
2
0
2
2
60
0
2
0
0
0
2
2
0
0
0
0
0
0
2
0
0
4
2
0
2
0
0
0
0
2
2
0
0
0
2
0
0
0
0
0
0
2
0
0
2
2
0
