2
2
1
1
3
2
1
1
5
4
3
3
6
2
1
1
8
2
1
1
10
2
1
1
11
2
1
1
12
1
0
0
13
1
0
0
17
2
1
1
18
2
1
1
19
2
1
1
21
2
1
1
