25:35 7
Teacher
25:35 
01:01:22 10
12:00 6
10:02 8
10:01 4
09:01 5
35:39 6
41:46 4
09:50 6
29:57 7
08:19 4
09:05 4
09:35 10
17:00
16
07:31 3
05:00 6
15:25 15
11:33 5
05:31 5
07:38 27