173期：【必中特围】:(03,04,05,07,09,11,14,17,19,20,21,23,26,29,31,32,33,36,38,40,42,43,48,49) ≮特开：26准
174期：【必中特围】:(03,04,06,08,09,13,14,15,16,17,19,21,23,26,27,31,34,36,37,38,39,42,45,49) ≮特开：41错
175期：【必中特围】:(02,04,05,08,09,12,13,14,19,21,23,25,28,29,30,32,33,35,37,38,40,41,46,49) ≮特开：26错
176期：【必中特围】:(01,04,07,08,09,10,11,12,13,19,23,26,27,30,32,35,37,38,40,41,43,44,45,48) ≮特开：？？√