28:00
student
08:00
05:00
02:00
06:00
08:00
03:00
30:00
07:00
12:00
08:00
10:00
05:00
01:14
12:00
28:00
10:00
03:00
11:00
13:00
01:03
15:00
15:00
10:00
05:00
31:00
20:00
03:00
03:00
01:10