020期：16码[[01,13,14,15,17,22,24,25,30,33,35,38,40,44,46,47]]开：33√
021期：16码[[01,03,08,09,10,16,31,33,37,39,41,43,44,45,46,47]]开：12x
022期：16码[[03,05,06,07,08,11,13,14,15,27,28,34,37,38,44,45]]开：34√
023期：16码[[05,07,14,21,22,27,28,32,33,34,37,40,43,44,45,49]]开：29x
024期：16码[[05,09,11,13,14,15,17,19,23,25,27,29,35,38,39,44]]开：//