169期：精选半数特围《（01,02,06,07,09,10,11,15,16,18,20,22,24,25,27,31,33,37,39,41,44,47,48,49）》开：24准
170期：精选半数特围《（01,03,05,06,08,09,12,13,14,16,17,18,20,25,31,32,34,37,39,40,45,46,48,49）》开：03准
171期：精选半数特围《（05,07,12,14,17,21,22,23,24,25,28,29,30,31,34,36,38,39,41,42,43,45,46,48）》开：？？？？