153期====01,02,04,05,06,07,10,11,12,14,15,16,18,19,20,22,24,25,26,28,29,31,34,35,36,40,41,49··（共半数） 中：41准
154期====01,03,06,07,08,10,11,12,14,16,19,23,25,26,27,30,31,34,36,37,40,41,42,44,45,46,47,48··（共半数） 中：41准
155期====04,09,11,12,13,15,19,20,21,25,26,27,29,30,31,32,33,34,35,38,39,40,44,45,46,47,48,49··（共半数） 中：？