09:59
1
teacher
09:59 
09:59
0
06:44
1
10:18
1
07:48
0
11:08
0
11:32
0
40:25
0
03:09
0
35:06
0
30:59
0
09:33
0
24:52
0
32:09
0
07:42
0
15:31
0
15:58
0
33:40
0
17:18
0
36:17
1
