51:08 27
dp
51:08 
37:42 10
28:16 4
29:10 4
26:30 4
19:31 7
44:15 8
22:26 2
43:13 12
29:27 3
25:13 2
26:00 5
23:46 2
34:29 6
25:59 1
25:29 3
41:50 2
17:26 1
32:21 4
26:07 3