206期====01,06,08,09,10,12,14,15,16,17,20,21,23,28,29,32,33,35,38,39,40,41,42,44,45,46,47,48··（共半数） 中：47准
207期====03,08,10,11,13,14,16,17,20,22,23,24,26,29,31,33,35,36,37,38,39,40,41,42,43,46,47,49··（共半数） 中：31准
208期====01,02,03,05,06,10,11,13,14,15,18,21,26,27,28,29,30,31,32,35,39,40,42,44,45,47,48,49··（共半数） 中：？