02:07
0
student
20:49
3
15:14
2
09:58
2
22:14
0
23:42
8
11:18
5
13:12
3
14:30
4
01:56
3
07:31
0
13:41
0
31:00
0
11:00
3
04:52
1
02:24
0
10:00
2
06:10
1
11:01
0
03:33
0
08:00 0
11:00
0
11:00
0
21:00
0
12:00 0
34:00
3
46:00
2
04:00
0
11:00
0
00:57 2
02:04
0
00:30
0
02:17
1
21:00
0
06:10
0
03:28
0
12:54
0
05:22
0
12:07
0
09:00
3
10:30
2
12:11
3
13:11
2
10:12
2
06:46
0
19:06
2
12:16
0
06:00
3
25:00
0
07:00 2
