2
2
1
1
4
2
1
1
6
3
2
2
7
2
1
1
8
2
1
1
10
1
0
0
11
2
1
1
12
2
1
1
14
2
1
1
16
2
1
1
19
2
1
1
20
2
1
1
23
2
1
1
