About correction results of 452
27:46 57:14 97:23 80:30 22:48 20:13 20:53 27:11 105:52 92:23 18:08 34:24 21:59 23:10 94:18 27:16 33:12 22:34 82:13 78:03 41:31 28:28 28:35 33:10 28:17 25:39 67:50 28:01 43:18 37:34 30:08 35:56 59:36 36:48 56:16 42:30 56:18 87:27 45:29 44:14 56:50 43:43 56:08 39:46 58:38 29:46