181期：大围：02,03,04,05,07,08,09,11,13,15,16,19,20,21,24,25,30,32,35,38,40,43,46,49（共半数）开19准
182期：大围：02,03,05,06,08,10,11,12,13,14,16,17,18,20,24,27,28,29,30,31,33,37,41,45（共半数）开41准
183期：大围：02,03,06,08,09,10,11,13,17,18,22,23,25,28,29,33,34,35,37,40,41,42,43,45（共半数）开24错
184期：大围：01,03,04,06,10,11,15,16,19,25,27,28,29,30,32,36,38,39,44,45,46,47,48,49（共半数）开？？√【？中？】