171期：【必中特围】:(07,11,12,14,15,16,17,18,19,24,28,29,30,33,34,36,37,38,39,40,41,42,47,48) ≮特开：28准
172期：【必中特围】:(02,03,11,14,15,17,18,20,21,22,23,24,28,29,30,34,35,36,37,40,41,43,47,49) ≮特开：44错
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：？？√