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