37:45 4
neighbor
37:45 
28:16 3
44:55 0
31:53 0
43:14 7
28:42 3
37:08 6
24:38 1
48:20 3
53:23 4
44:48 7
50:44 2
23:18 9
45:51 5
25:29 5
43:08 3