Greedy Teachers

3
0
17:35
35:13
28:45
06:41
11:24
04:50
10:36
10:38
07:59
16:16
06:37
28:13
30:39
32:14
28:21
07:59
05:59
12:12
05:14
05:15
19:13
10:42
08:00
03:03
07:58
05:30
12:00
08:00
15:38
30:01
13:25
20:59
13:01
35:13
06:02
37:29
08:25
13:24
13:43
12:19