17:28 0
student
17:28 
13:34 0
05:56 3
45:00
4
06:28 1
13:34 1
15:05 0
23:36 1
08:19 1
12:00 2
05:07 0
17:02 1
11:42
0
06:46 0
10:28 0
25:39 0
23:22 3
34:53 6
03:01 1
07:12 2
