06:24 10
student
06:24 18:18
14
08:11 4
19:53
9
13:40 8
12:02 12
45:29 5
00:05 6
00:05 4
12:38 5
00:01 4
00:01 16
08:01 5
00:05 6
00:21 6
16:57 5
00:46 9
09:34 4
00:10 8
12:58
4