0
0
1
0
1
0
3
0
6
0
9
0
4
0
3
0
4
0
21
0
4
0
3
0
9
0
3
0
2
0
3
0
4
0
2
0
2
0
4
0
3
0
2
0
11
0
5
0
3
0
2
0
2
0
3
0
1
0
4
0