521
0
0
1
0
0
2
0
0
1
0
0
0
0
0
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0
0
0
0
0
0
0
2
0
0
0
0
0
5
0
0
0
0
0
13
0
0
