3
22
21
21
4
2
1
1
5
2
1
1
7
2
1
1
8
3
2
2
9
2
1
1
12
2
1
1
15
2
1
1
17
1
0
0
20
2
1
1
21
6
5
5
23
1
0
0
24
2
1
1
