1
2
1
1
2
2
1
1
4
2
1
1
5
2
1
1
6
3
2
2
9
3
2
2
10
2
1
1
14
2
1
1
16
3
2
2
18
2
1
1
21
1
0
0
23
2
1
1
24
2
1
1
