216期:01,05,06,07,10,11,12,13,14,16,17,18,19,20,21,23,25,30,31,35,42,44,45,46··(共半数)开10准
217期:03,04,07,08,10,12,14,17,19,22,32,33,34,36,37,38,40,41,42,43,44,45,48,49··(共半数)开18错
218期:04,05,07,08,11,13,14,16,17,20,21,22,28,29,31,34,40,41,42,43,45,46,47,49··(共半数)开41准
219期:03,04,05,06,07,09,10,12,14,15,17,25,26,31,32,33,34,37,38,39,41,42,47,48··(共半数)开??!