209期:01,03,06,07,10,11,12,18,19,21,23,29,30,31,33,38,39,40,42,43,44,45,48,49··(共半数)开33准
210期:02,05,06,07,12,14,15,16,17,18,21,23,26,27,34,35,36,38,39,40,42,44,48,49··(共半数)开19错
211期:01,03,05,12,13,14,16,20,22,23,25,26,27,28,35,37,39,40,41,42,43,44,46,49··(共半数)开20准
212期:01,02,06,07,08,09,10,11,12,13,14,15,17,18,20,21,23,24,28,33,37,38,39,43··(共半数)开49错
213期:01,02,03,04,09,10,12,15,23,24,29,31,32,34,35,37,38,39,40,43,44,45,47,49··(共半数)开38准
214期:01,03,05,06,07,08,11,13,16,18,20,21,25,26,27,28,32,34,38,41,43,44,48,49··(共半数)开06准
215期:01,02,03,05,09,10,13,15,20,22,24,28,29,30,31,33,35,37,38,40,42,43,45,46··(共半数)开??!