06:00
2
student
14:00
2
01:23
0
05:00
4
05:00
3
01:23
2
07:50 4
07:50 1
06:47
1
08:19
12
02:00
1
05:00
2
08:04
1
00:30
4
02:00
3
10:05
2
08:12
2
12:16
1
08:12
6
05:16
4
