319期：大围：01,02,03,05,09,10,11,15,16,18,19,21,22,24,25,27,29,30,32,34,35,38,39,43,44,45,47,48（共半数）开05准
320期：大围：03,04,07,08,09,10,11,12,14,15,17,20,24,25,28,30,31,32,33,34,35,36,37,40,42,46,47,49（共半数）开42准
321期：大围：02,05,07,08,10,13,15,16,17,18,20,23,24,26,27,28,29,32,36,37,39,40,41,42,43,46,47,48（共半数）开22错
322期：大围：01,02,03,04,06,08,09,10,11,16,17,18,23,26,27,28,29,30,31,36,38,39,40,44,45,46,47,48（共半数）开？？√【？中？】