students
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13:58
46:39
50:48
51:17
51:13
26:01
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38:31
45:20
18:59
20:50
41:12
44:54
28:30
31:35
38:26
23:11
41:50
54:19
40:42
30:28
54:14
30:30
29:36
51:09
73:49
19:30
23:32
52:44
43:47
12:33
47:31
34:03
30:14
67:20
23:15
36:39
20:47
25:50
30:46
52:56
29:13
66:47
40:57
22:20
39:08
152:34