273期：【必中特围】:(01,02,05,07,08,09,12,13,14,18,19,20,21,22,23,25,27,28,29,33,34,35,40,41,43,46,48,49) ≮特开：05准
274期：【必中特围】:(01,03,05,07,09,10,11,13,17,18,19,22,23,24,25,28,29,33,34,37,38,39,41,43,45,46,47,48) ≮特开：24准
275期：【必中特围】:(04,06,07,08,09,10,13,14,17,22,23,24,25,27,28,29,32,33,35,36,37,38,39,40,45,46,47,49) ≮特开：31错
276期：【必中特围】:(02,04,06,09,10,11,12,13,14,17,19,26,30,31,32,33,34,35,38,39,40,41,42,43,44,45,47,48) ≮特开：01错
277期：【必中特围】:(01,04,05,07,08,09,11,13,14,15,16,19,20,22,23,25,26,29,30,31,33,38,40,42,45,46,47,49) ≮特开：？？√