New problems, old solutions

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36:36
10:36
08:12
04:55
23:39
27:59
19:19
10:51
11:04
12:20
04:26
12:26
11:54
31:50
10:19
22:24
16:12
10:45
19:47
12:26
10:06
20:00
06:09
07:58
15:45
08:12
01:34:07
07:20
16:58
10:43
16:21
05:15
17:04
43:54
15:47
29:19
16:16
40:37
26:40
06:00