3
2
1
1
4
2
1
1
5
2
1
1
8
2
1
1
9
2
1
1
10
2
1
1
11
2
1
1
12
3
2
2
13
2
1
1
14
1
0
0
15
3
2
2
16
2
1
1
18
2
1
1
19
2
1
1
20
2
1
1
21
3
2
2
24
2
1
1
