06:24 9
student
06:24 18:18
13
08:11 2
19:53
6
13:40 5
12:02 3
45:29 1
00:05 5
00:05 3
12:38 2
00:01 2
00:01 15
08:01 3
00:05 4
00:21 5
16:57 3
00:46 5
09:34 4
00:10 7
12:58
3