308期：01,03,05,10,11,13,14,16,18,21,23,24,25,30,32,34,37,39,40,41,43,44,46,48··（共半数）开39准
309期：03,04,10,11,12,14,15,17,18,24,25,26,30,31,33,34,40,42,43,44,45,46,48,49··（共半数）开06错
310期：01,07,08,09,10,11,12,14,15,16,17,18,19,20,22,26,31,32,34,35,36,41,42,43··（共半数）开16准
311期：01,07,08,13,16,19,20,21,23,24,25,27,28,30,36,37,38,39,40,41,44,45,46,47··（共半数）开37准
312期：02,05,06,07,09,10,17,18,19,20,23,24,25,29,30,31,34,36,37,42,43,45,48,49··（共半数）开14错
313期：01,09,10,11,13,14,15,20,21,23,24,26,27,28,32,33,34,35,37,38,43,44,46,49··（共半数）开？？！