020期：【必中特围】:(01,02,03,05,07,10,11,13,18,19,21,27,28,29,30,32,34,35,37,38,41,43,45,47) ≮特开：10准
021期：【必中特围】:(01,05,07,10,11,12,16,17,19,22,24,27,28,30,33,35,36,42,43,44,46,47,48,49) ≮特开：07准
022期：【必中特围】:(02,04,06,08,12,13,15,17,18,20,26,27,28,29,30,32,33,34,37,40,41,42,43,45) ≮特开：18准
023期：【必中特围】:(01,03,08,09,10,11,14,16,17,18,19,21,24,27,28,31,32,33,36,37,40,42,44,48) ≮特开：01准
024期：【必中特围】:(02,03,04,05,10,11,14,15,18,21,22,25,26,30,31,32,33,34,35,36,37,42,43,45) ≮特开：32准
025期：【必中特围】:(02,03,04,05,10,11,13,14,16,18,19,20,21,23,24,29,30,31,32,37,41,45,46,47) ≮特开：47准
026期：【必中特围】:(03,06,07,09,10,11,13,16,18,19,21,24,26,30,33,35,36,37,39,41,42,43,44,45) ≮特开：46错
027期：【必中特围】:(02,04,05,08,10,15,17,21,23,24,25,26,29,32,35,37,38,39,40,42,46,47,48,49) ≮特开：17准
028期：【必中特围】:(02,04,07,10,13,16,17,18,23,24,28,29,30,32,35,36,37,38,40,41,44,45,46,49) ≮特开：？？√