174期：大围：01,02,05,06,07,13,16,18,20,21,23,24,25,29,31,32,33,34,36,38,41,43,48,49（共半数）开41准
175期：大围：02,06,07,09,11,13,14,18,21,24,25,28,31,32,33,34,35,36,39,43,44,45,47,48（共半数）开26错
176期：大围：01,02,03,05,08,12,13,14,15,16,17,19,22,24,27,29,33,36,37,38,40,43,47,48（共半数）开10错
177期：大围：03,04,06,07,09,13,16,21,22,25,26,27,28,29,30,31,32,37,40,43,44,45,48,49（共半数）开？？√【？中？】