3
2
1
1
4
2
1
1
5
2
1
1
6
2
1
1
7
2
1
1
8
2
1
1
9
2
1
1
10
2
1
1
12
2
1
1
13
1
0
0
19
3
2
2
20
2
1
1
21
2
1
1
23
2
1
1
