315期：大围：02,04,06,07,08,09,13,16,17,19,22,25,26,27,31,32,33,36,42,43,44,47,48,49（共半数）开04准
316期：大围：02,06,07,10,11,13,14,15,16,17,18,19,20,21,22,28,30,31,33,34,38,42,45,48（共半数）开24错
317期：大围：01,02,06,10,11,14,16,17,19,20,21,22,24,25,28,29,32,33,35,39,40,43,47,48（共半数）开18错
318期：大围：02,03,05,08,11,12,15,18,19,20,21,22,25,30,34,36,37,41,42,43,44,46,47,48（共半数）开？？√【？中？】