0
0
0
0
2
2
4
2
2
2
2
2
0
0
0
0
2
2
0
2
2
0
2
4
0
2
17
4
2
2
0
2
2
2
0
2
4
2
0
2
0
2
0
2
2
2
0
2
0
0
2
2
0
53
2
4
0
2
2
32
0
0
4
0
4
2
0
2
2
0
4
4
0
2
2
2
2
2
2
0
0
0
0
2
4
0
2
0
2
2
2
2
2
2
0
0
2
0
2
27
0
2
2
2
2
0
4
2
2
2
2
4
2
2
2
2
0
4
2
0
2
0
2
2
0
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
4
0
0
0
2
0
0
0
0
0
2
2
0
0
4
0
4
2
4
4
2
0
2
0
0
2
2
2
2
2
0
2
2
2
4
2
2
2
4
2
4
2
2
2
2
4
2
2
2
4
2
2
3
2
2
4
2
0
0
2
2
2
0
4
0
0
0
2
2
2
2
2
0
2
0
2
2
0
2
0
2
2
0
2
2
2
2
0
2
0
2
2
2
2
2
0
2
0
2
0
0
30
0
0
0
0
2
2
0
2
2
4
2
2
4
0
2
2
0
0
2
0
0
0
27
2
2
2
0
2
0
2
0
2
0
2
0
2
0
2
2
2
2
0
0
24
