020期：（（02,03,05,10,16,17,20,21,22,24,27,29,43,44,48,49））开：10中中中
021期：（（04,07,11,13,14,17,21,24,25,32,33,40,41,42,44,49））开：07中中中
022期：（（02,04,09,18,20,25,29,32,36,38,42,43,46,47,48,49））开：18中中中
023期：（（04,08,16,17,18,22,25,26,27,28,33,34,35,36,42,45））开：01错错错
024期：（（01,03,04,05,11,16,19,22,26,29,32,34,37,39,46,47））开：32中中中
025期：（（02,08,11,14,16,17,18,19,29,32,34,36,37,39,43,48））开：47错错错
026期：（（02,03,07,10,12,14,19,21,23,28,33,36,38,44,46,47））开：46中中中
7中5
027期：（（03,07,13,15,16,18,19,21,23,27,34,37,43,45,46,48））开：17错错错
028期：（（09,12,13,15,23,25,27,29,30,32,40,41,43,46,47,48））开：05错错错
029期：（（02,05,09,11,12,14,16,17,19,25,29,30,31,41,47,49））开：17中中中
030期：（（02,03,05,13,14,15,18,20,22,26,27,37,39,41,48,49））开：46错错错