317期：01,02,03,04,09,10,11,13,16,18,23,24,25,26,28,29,30,34,36,37,39,40,41,42,43,44,45,46··（共半数）开18准
318期：01,03,04,05,07,09,11,12,14,15,16,18,20,21,23,24,28,29,30,31,33,34,35,36,37,39,43,45··（共半数）开06错
319期：01,03,04,06,08,09,10,12,13,14,15,21,22,24,26,27,29,30,32,33,34,35,36,37,38,41,42,45··（共半数）开45准
320期：02,03,06,09,10,13,14,15,16,17,19,20,21,22,26,28,29,31,32,33,34,35,37,38,39,40,42,48··（共半数）开28准
321期：01,03,04,05,06,09,10,11,14,18,19,21,22,23,24,25,27,29,30,32,34,36,38,41,43,47,48,49··（共半数）开23准
322期：01,02,03,05,07,10,11,12,13,14,15,17,18,20,22,26,29,30,31,34,36,37,40,42,43,45,47,48··（共半数）开47准
323期：05,06,07,09,11,13,14,15,16,17,19,21,22,23,25,27,31,33,34,35,36,37,39,42,43,45,46,49··（共半数）开？？！