308期：01,02,03,06,07,08,09,10,12,13,14,15,16,17,18,20,23,25,27,29,30,33,34,37,39,43,44,49··（共半数）开18准
309期：01,02,03,04,05,07,09,13,14,16,19,20,22,23,24,27,34,37,38,39,40,41,42,43,44,45,46,48··（共半数）开49错
310期：02,03,05,07,11,12,13,14,15,17,18,19,22,23,24,27,28,34,35,37,38,40,41,42,43,44,46,48··（共半数）开37准
311期：01,02,03,07,08,09,10,11,12,17,18,20,21,23,28,34,35,36,38,39,41,42,43,44,45,46,47,49··（共半数）开40错
312期：01,04,06,07,08,10,11,13,16,18,19,21,22,23,24,25,27,30,31,32,34,35,36,38,39,43,46,49··（共半数）开36准
313期：02,03,04,08,09,10,11,12,15,18,21,23,26,27,29,30,31,32,33,34,36,39,40,42,43,46,47,48··（共半数）开18准
314期：01,05,06,08,09,10,11,12,13,18,19,20,23,24,25,26,28,30,31,35,38,39,41,43,44,47,48,49··（共半数）开？？！