About optimal results of 721
09:12 08:31 77:04 14:54 28:49 82:41 08:37 09:19 06:09 10:16 10:09 06:17 08:45 09:34 05:43 09:34 08:52 08:55 09:54 09:56 07:58 10:00 08:32 11:46 08:43 08:09 09:21 17:11 25:57 21:23 40:35 10:42 06:19 10:07 10:43 11:58 07:12 09:20 10:23 09:08 10:25 09:10 08:57 12:17 10:01 10:44