30:47 3
Latex
30:47 
30:18 0
14:01 4
03:17 5
05:00 9
00:59 5
10:11 6
23:06 7
14:49 5
05:18 3
12:13 11
05:34 2
00:59 3
02:35 5
05:00 14
04:21 3
05:17 6
15:48 5
12:40 11
16:19 10
