About optimal results of 721
21:34 16:04 18:24 13:33 20:50 21:50 17:41 21:33 65:35 74:44 22:36 27:59 25:20 30:57 19:20 16:13 27:21 26:30 36:25 18:35 27:07 19:30 46:20 55:52 145:56 15:30 22:05 25:25 18:48 20:23 26:50 26:18 18:00 31:59 22:13 65:07 54:54 177:11 92:23 48:08 19:55 22:13 21:16 28:50 24:05 26:12