304期：01,04,06,07,08,12,14,15,17,18,20,21,23,25,26,28,30,34,35,36,37,38,39,41,43,46,48,49··（共半数）开48准
305期：01,04,05,08,15,16,18,19,20,21,22,23,25,27,30,31,32,34,37,38,39,41,42,43,45,46,47,48··（共半数）开42准
306期：04,05,06,09,11,12,14,21,22,24,27,28,29,30,32,33,34,35,36,37,38,40,41,42,43,44,46,47··（共半数）开17错
307期：01,02,03,05,06,10,11,12,13,15,16,17,18,20,21,22,23,24,26,27,28,29,35,36,38,39,46,48··（共半数）开20准
308期：02,03,05,09,10,11,13,14,15,16,17,18,20,21,22,26,28,31,32,33,38,40,42,43,45,46,47,48··（共半数）开39错
309期：03,04,05,06,07,08,09,10,11,13,14,19,21,22,23,24,27,28,29,31,34,35,36,39,40,42,48,49··（共半数）开06准
310期：03,04,05,07,10,11,17,18,20,21,22,23,24,28,30,31,33,34,38,39,40,41,42,44,45,46,48,49··（共半数）开？？！