About optimization results of 431
15:42 36:28 44:03 64:32 64:14 59:56 24:56 30:53 23:58 541:44 44:18 97:12 24:56 25:48 18:54 26:06 43:33 131:28 46:59 81:35 78:34 29:05 22:21 20:04 19:37 24:29 63:52 160:53 56:01 42:37 30:27 26:32 25:30 57:16 89:35 26:21 29:17 30:39 31:43 23:12 32:19 24:34 59:17 50:36 75:01 79:47