1-2
1
2-2
2
3-2
3
4-2
4
5-2
5
6-2
6
7-2
7
8-2
8
9-2
9
10-2
10
11-2
11
12-2
12
13-2
13
14-2
14
15-2
15
16-2
16
17-2
17
18-2
18
19-2
19
20-2
20
21-2
21
22-2
22
23-2
