50
20
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
28
2
1
1
24
353
0
0
0
0
0
0
0
0
0
0
0
0