About correction results of 471
09:53 10:20 09:48 215:27 10:48 08:23 08:39 10:23 16:13 10:44 11:22 11:11 09:21 11:23 08:56 12:42 13:15 08:38 10:41 10:46 14:31 11:10 11:52 08:41 38:56 43:36 16:55 09:20 11:59 11:30 19:49 12:49 08:59 12:37 10:18 10:58 10:26 10:21 11:08 12:31 53:59 12:24 11:02 12:40 10:36 12:46