2
0
45
2
2
0
2
4
2
2
0
2
0
0
2
0
2
2
0
0
2
0
4
2
0
0
2
2
0
0
0
0
2
4
0
0
0
2
2
2
2
2
0
0
0
2
0
0
0
2
2
0
0
0
0
34
0
0
2
2
0
2
2
0
0
0
2
0
0
2
2
2
0
0
0
0
2
0
2
0
0
2
2
0
0
2
0
0
2
0
2
2
0
2
2
2
2
2
2
2
2
2
0
0
0
4
2
2
0
0
0
0
0
0
2
2
2
0
2
2
2
0
4
0
0
0
0
17
2
2
0
0
2
2
2
2
2
0
2
2
0
4
0
2
2
0
0
0
0
0
2
0
0
0
4
2
2
2
2
0
2
0
2
2
2
2
4
2
2
0
2
2
0
2
2
4
2
0
4
2
0
2
0
2
2
0
4
2
2
2
0
2
2
0
0
0
2
0
2
2
2
2
2
2
2
2
2
2
36
2
2
2
2
2
0
2
0
0
2
2
4
52
0
2
2
2
2
2
2
2
3
2
2
2
0
2
0
0
0
2
0
2
0
2
2
0
2
2
2
4
2
2
0
0
2
2
2
0
2
2
0
4
2
0
0
0
2
0
2
0
2
2
0
0
2
2
2
0
0
2
2
0
0
2
2
0
0
0
