020期：二十四码→（01,02,04,07,09,10,12,13,18,21,24,25,26,27,30,32,33,34,40,41,43,44,45,46）开：12对
021期：二十四码→（01,04,08,11,12,13,16,17,21,22,24,27,30,31,32,33,34,35,37,38,41,43,44,48）开：42错
022期：二十四码→（06,08,09,10,12,15,16,20,21,26,28,29,30,31,32,34,35,39,40,43,44,45,48,49）开：18错
023期：二十四码→（01,02,07,08,10,11,15,17,18,20,24,27,30,31,33,34,35,36,39,40,42,44,46,49）开：00