17:18 8
student
17:18 
11:32 7
03:00
5
15:00
13
10:00
10
10:00
14
10:00
0
05:32 3
16:13 5
13:37 2
14:10 18
10:00
4
10:00
8
13:00
1
11:00
2
11:00
7
23:00
13
17:33 15
27:41 4
06:27 3
11:36 8
09:27 0
12:00 13
09:34 3
09:30 5
12:06 8
16:00 0
08:33 8
06:24 5
08:33 15
11:27 6
11:58 4
27:46 5
08:11 7
24:21 6
05:00 3
06:40 8
14:45 8
11:26 0
13:39 1
13:39 7
12:00 5
06:56 3
11:54 4
08:01 1
13:50 1
51:57 3
16:24 1
39:39 7
05:06 6
41:50 2
07:33 11
19:17 0
09:52 6
09:08 2
05:16 2
01:56:21 9
09:09 5
11:04 7
17:13 16