230期====01,02,04,06,09,11,12,13,16,18,19,21,22,23,26,27,31,33,35,37,38,43,47,48··(共半数) 中:16准
231期====01,03,05,08,10,15,17,18,19,21,22,24,25,30,35,37,38,39,40,42,43,44,45,47··(共半数) 中:20错
232期====03,07,10,15,17,18,19,20,22,25,26,28,29,30,31,33,34,35,37,39,41,45,47,48··(共半数) 中:?