07:00
6
student
02:00 7
06:00 2
16:00
17
05:00
7
18:00 10
07:00 10
14:00 5
12:00 30
05:00 7
08:00 11
06:00
8
06:00
13
09:00
154
07:00
42
07:00
19
06:00 8
07:00
7
05:00
8
00:13
642
25:00
1983
42:00
107
12:00
86
08:00
37
06:00
28