06:41 7
teacher
06:41 
25:04 9
20:30
10
12:17
5
18:14
2
09:17
3
11:05
6
10:10
2
08:04
18
05:05
4
07:03
23
05:12
3
05:24
6
12:16
4
07:00
4
06:00
7
21:14
5
08:23
10
05:36
10
18:44
3
