021期：←24码→（01,04,07,10,12,14,15,16,20,21,22,25,26,28,31,32,33,34,35,37,38,45,46,47）开：12准
022期：←24码→（04,07,08,09,12,14,15,18,20,21,22,23,27,31,33,34,38,41,42,43,44,45,46,47）开：34准
023期：←24码→（06,08,09,11,13,14,15,16,20,22,23,27,28,29,31,32,39,40,41,43,44,45,47,49）开：29准
024期：←24码→（02,03,06,08,10,11,12,13,16,17,19,20,21,23,27,32,35,36,38,43,44,47,48,49）开：45错
025期：←24码→（02,04,06,10,11,13,14,16,19,24,25,29,31,32,33,34,38,39,40,41,42,46,48,49）开：11准
026期：←24码→（01,03,04,05,07,10,11,15,17,18,20,23,24,25,30,31,32,37,38,41,43,44,47,49）开：31准
027期：←24码→（01,02,06,07,09,10,12,13,16,17,19,22,23,26,27,28,29,31,34,35,41,43,46,49）开：49准
028期：←24码→（01,02,04,09,11,12,14,15,16,18,19,20,21,24,25,27,30,32,33,35,42,45,48,49）开：34错
029期：←24码→（02,03,04,05,06,10,12,13,14,15,17,22,25,26,29,30,33,34,35,42,43,44,47,49）开：13准
030期：←24码→（01,03,05,07,09,11,14,15,16,17,21,22,26,29,30,33,34,36,37,38,41,42,45,49）开：？？