02:04
4
student
10:12
0
05:47
5
26:37
0
06:32
1
05:49
4
19:01
1
21:00
5
11:00 0
02:00 0
10:00
2
44:37
2
07:26
4
15:32
0
17:57
3
02:30
2
00:50
2
06:11
1
06:00
1
03:02
1
19:11
7
06:44
0
15:40
0
12:16
0
10:01
1
33:00
4
09:00
1
06:00
0
08:00 0
20:00
2
05:00 5
18:00 3
05:00
0
00:34
3
02:07
0
20:49
3
15:14
2
09:58
4
22:14
0
23:42
10
11:18
6
13:12
6
14:30
4
01:56
3
07:31
0
13:41
0
31:00
1
11:00
3
04:52
1
02:24
4
