06:00
2
student
08:00
0
08:00
3
06:00
5
06:00
0
03:00
0
06:00
0
06:00
1
05:00
4
08:00
1
00:29
0
08:00
1
06:00
4
07:00
3
14:00
3
07:00
1
10:00
0
06:00
0
05:00
4
06:00
2
08:00
2
35:00 0
11:00
4
03:00
3
02:00
6
09:00
0
25:00
4
06:00
1