020期：24码→02,04,06,07,08,09,13,14,19,20,24,25,27,28,32,33,36,37,38,43,45,46,47,48←开：33中
021期：24码→02,03,05,06,07,08,14,15,16,17,19,23,26,27,28,30,31,32,33,34,36,43,44,48←开：12错
022期：24码→02,04,06,08,11,13,15,16,18,19,23,24,28,30,31,32,35,36,37,41,42,44,46,49←开：34错
023期：24码→01,04,05,06,07,12,13,15,18,19,21,22,25,26,27,33,35,36,39,43,45,46,48,49←开：？？