313期:〓〓半数01,02,06,07,11,12,18,19,22,24,25,26,27,28,31,33,35,36,37,38,40,41,43,45,46,47,48,49》开18准
314期:〓〓半数01,02,03,05,07,08,09,12,14,16,17,18,19,20,22,25,28,29,32,33,34,37,39,42,44,46,47,48》开24错
315期:〓〓半数02,03,04,06,07,10,11,13,14,16,18,20,21,22,24,25,28,29,31,33,35,36,40,41,43,44,45,46》开15错
316期:〓〓半数02,03,04,06,08,11,12,13,15,16,18,19,20,21,22,23,27,28,29,30,31,32,35,36,38,42,48,49》开？？