10:00
8
student
14:00
0
18:00
8
00:50
11
05:00
32
12:55
21
16:00
10
12:00
6
25:19
8
05:03
2
13:07
6
10:34
24
11:18
8
22:00
13
05:00
6
13:00
10
04:00
65
12:00
15
08:59
19
16:56
6
03:34 9
07:52
5
08:11
24
07:28
10
17:16
4
16:00
3
15:44
4
04:39
4
15:10
8
05:54
3
12:00
31
12:00 9