307期：【必中特围】:(01,05,06,08,09,12,19,20,21,22,24,25,26,27,29,33,34,36,37,38,40,42,46,47) ≮特开：20准
308期：【必中特围】:(02,03,05,06,07,10,12,15,21,22,23,24,26,27,29,33,34,35,36,38,40,42,43,47) ≮特开：39错
309期：【必中特围】:(01,02,04,07,09,10,15,16,18,19,22,24,29,30,32,33,34,35,37,39,40,44,47,48) ≮特开：？？√