227期：01,02,03,04,05,08,13,16,19,20,21,22,23,27,30,31,33,34,35,39,43,44,46,47··（共半数）开16准
228期：01,02,03,04,07,09,13,16,17,18,21,23,24,28,32,33,34,36,38,40,42,43,44,48··（共半数）开23准
229期：01,03,04,05,13,15,17,19,23,24,25,27,28,29,30,32,33,35,37,39,42,43,48,49··（共半数）开38错
230期：01,02,03,08,10,13,14,15,16,17,21,23,24,27,30,31,32,35,36,38,40,42,45,47··（共半数）开16准
231期：01,02,04,05,07,08,09,14,15,21,22,23,26,32,34,35,38,39,41,44,45,47,48,49··（共半数）开？？！