3
2
1
1
5
2
1
1
6
2
1
1
7
2
1
1
8
2
1
1
9
2
1
1
10
3
2
2
16
3
2
2
17
2
1
1
18
2
1
1
20
2
1
1
21
1
0
0
22
2
1
1
23
2
1
1
