297期：【必中特围】:(05,06,08,10,12,14,15,16,19,20,21,22,27,28,29,30,35,36,38,40,42,46,47,49) ≮特开：12准
298期：【必中特围】:(01,03,06,08,10,12,13,17,21,24,25,28,30,31,33,36,38,39,40,43,45,46,48,49) ≮特开：31准
299期：【必中特围】:(01,03,04,06,11,13,15,17,18,19,20,23,26,29,30,36,38,39,41,42,43,44,46,48) ≮特开：05错
300期：【必中特围】:(01,02,03,05,08,12,15,16,17,19,20,23,24,27,28,30,33,35,38,39,40,42,44,45) ≮特开：46错
301期：【必中特围】:(01,02,08,13,16,17,18,20,22,24,26,27,30,34,35,36,38,39,40,43,45,46,47,48) ≮特开：？？√