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