020期：（（02,03,04,07,19,23,31,32,33,36,38,39,41,45,46,48））开：33准
021期：（（02,06,07,10,13,15,23,25,30,31,34,36,37,42,43,49））开：12错
022期：（（03,04,09,12,13,14,15,16,17,18,22,23,25,27,28,41））开：34错
023期：（（02,04,12,14,16,18,19,22,25,26,29,35,40,43,44,47））开：29准
024期：（（01,08,10,16,17,18,19,26,27,33,34,35,37,38,42,44））开：//