students
45:00
28:56
29:22
42:41
48:56
24:05
32:03
45:26
28:10
39:50
51:49
26:43
35:57
45:22
55:17
43:13
53:13
21:28
45:59
20:15
29:35
43:34
28:17
38:58
46:53
19:51
47:28
15:48
49:03
37:00
19:31
58:37
25:59
37:01
26:25
41:13
64:48
37:52
32:08
35:28
40:23
34:00
46:36
41:05
13:58
35:14
43:19
51:13