Greedy Teachers

3
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35:13
15:38
17:35
28:45
07:59
05:14
10:16
10:36
06:41
09:42
05:15
10:33
20:59
08:06
16:16
11:01
04:58
07:59
19:17
28:13
08:00
08:25
06:00
27:19
04:00
08:00
10:04
10:42
11:24
03:03
32:14
37:45
19:13
41:36
37:29
14:05
13:43
26:43
09:40
06:29