0
0
2
0
0
0
0
0
2
2
0
0
4
0
0
2
0
0
4
0
4
0
0
2
2
0
0
4
4
2
4
0
2
2
2
2
2
2
0
2
2
0
0
0
0
0
4
0
4
2
2
4
0
2
0
0
0
0
4
2
2
2
2
2
2
2
0
0
0
2
0
0
4
2
2
0
0
0
4
2
0
2
2
2
0
2
0
0
2
0
2
2
2
2
2
0
2
0
2
0
0
2
0
2
2
0
2
2
2
0
0
2
2
0
0
0
2
0
2
0
2
0
2
2
19
2
0
2
0
0
0
0
0
2
0
4
2
2
2
2
4
0
2
2
2
0
0
0
2
0
0
2
2
0
2
4
2
0
0
0
2
2
2
2
2
0
0
2
0
2
0
0
2
0
2
2
0
2
2
0
0
2
2
0
2
0
2
0
4
0
0
4
0
2
0
0
0
0
2
4
2
0
2
2
2
2
0
0
0
0
2
2
2
2
0
0
2
0
2
0
0
0
0
2
0
2
2
2
2
2
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
2
2
0
4
0
0
0
0
2
2
0
4
0
2
2
2
2
0
0
2
2
2
44
2
2
0
0
0
0
0
0
2
0
2
2
0
0
2
4
