12:00
teacher
04:00
02:00
05:00
07:00
02:00
43:00
05:00
24:00
09:00
02:00
10:00
13:00
10:00
10:00
01:00
03:00
10:00
03:00
03:00
18:00
03:00
06:00
02:00
24:35
10:00
08:00
06:00
02:00
05:00