309期:二十四码→(03,04,06,08,09,14,15,16,18,21,23,25,26,27,29,32,36,39,42,43,44,47,48,49)开:44对
310期:二十四码→(02,04,05,06,07,11,12,15,17,20,24,25,26,28,31,33,34,36,37,38,39,40,46,48)开:19错
311期:二十四码→(03,05,06,08,09,11,14,16,20,21,22,23,24,25,26,27,29,35,40,41,44,46,47,48)开:47对
312期:二十四码→(03,06,07,08,09,15,19,21,22,23,25,27,28,29,32,33,34,36,37,39,41,44,45,48)开:00