280期：大围：02,03,07,08,09,10,11,13,15,16,17,21,22,23,24,26,28,30,31,35,41,42,44,49（共半数）开08准
281期：大围：02,03,04,05,07,13,14,17,18,23,24,25,26,27,29,32,35,36,40,41,42,44,45,48（共半数）开17准
282期：大围：01,02,03,05,09,10,13,15,17,21,22,23,26,28,30,31,32,33,35,39,40,45,47,49（共半数）开？？√【？中？】