315期：大围：02,03,04,06,10,11,12,14,15,16,17,18,20,25,29,33,35,36,37,38,39,40,41,42,43,44,45,47（共半数）开15准
316期：大围：01,02,03,04,06,07,09,10,13,15,19,20,21,22,23,24,25,26,28,31,32,35,38,39,40,43,47,49（共半数）开18错
317期：大围：02,03,05,07,09,10,11,13,14,20,21,22,23,27,28,29,30,32,33,35,37,40,41,42,43,46,47,48（共半数）开24错
318期：大围：02,03,06,09,10,14,16,18,20,21,22,25,26,27,29,31,32,33,34,35,36,37,38,40,42,45,47,49（共半数）开？？√【？中？】