299期：【必中特围】:(01,02,04,05,06,11,13,15,18,19,21,22,23,24,27,28,29,30,31,32,34,36,38,39,45,46,48,49) ≮特开：48准
300期：【必中特围】:(01,02,04,06,07,08,09,11,13,14,15,17,18,21,23,24,27,31,32,34,35,37,38,42,44,45,46,49) ≮特开：16错
301期：【必中特围】:(03,05,06,07,09,12,13,15,16,20,23,25,26,28,29,31,32,34,35,36,38,39,40,42,44,47,48,49) ≮特开：18错
302期：【必中特围】:(01,03,04,05,06,10,12,15,17,20,21,22,25,26,28,29,30,31,33,34,35,37,39,41,43,44,47,49) ≮特开：？？√