37:00
student
15:00
12:00
08:24
05:39
08:00
11:00
06:00
14:00
02:00
11:00
35:00
01:28
19:00
07:38
10:37
05:55
06:00
07:00
06:00
06:00
12:00
07:00
16:00
11:00
05:00
14:00
01:25
10:25
47:00