226期：大围：01,02,04,06,07,09,11,12,14,15,17,18,19,21,26,27,32,33,36,39,41,44,45,46（共半数）开17准
227期：大围：03,05,07,11,13,18,19,20,21,22,23,24,26,28,31,32,36,37,38,40,43,45,48,49（共半数）开16错
228期：大围：01,02,09,10,12,15,16,17,19,21,23,26,29,30,31,32,33,34,37,40,41,42,48,49（共半数）开？？√【？中？】