About correction results of 471
12:49 14:35 17:36 10:42 10:41 14:48 11:42 15:47 12:40 16:57 16:33 232:53 13:18 11:11 15:07 15:39 14:41 11:52 14:27 12:46 15:23 13:44 15:37 68:44 13:56 15:34 19:40 15:08 14:01 35:48 19:00 15:21 18:17 31:23 16:36 15:34 21:24 18:29 24:57 19:21 16:30 21:01 15:43 47:16 40:53 81:28