21:23 1
student
21:23
05:52 6
11:13 0
11:13 17
30:01 3
30:01 2
08:43 13
25:04 3
17:00
3
08:56 2
23:00
3
06:00
3
06:00
3
17:00
5
11:55 7
05:57 4
08:11 4
07:00
7
05:00
3
05:00
5
10:00
0
06:07 4
06:00
17
12:00
3
13:30 18
16:36 10
07:00
5
05:54 1
