028期:〓〓半数01,03,04,05,06,07,10,11,12,13,15,16,17,18,20,22,23,25,31,38,39,43,46,49》开13准
029期:〓〓半数01,03,04,05,10,12,13,14,15,16,19,21,22,23,25,27,28,29,31,32,42,44,46,48》开14准
030期:〓〓半数02,03,07,08,09,10,11,12,15,16,17,18,20,23,25,27,29,30,34,36,40,41,45,48》开39错
031期:〓〓半数01,02,03,04,06,07,08,13,16,17,26,28,29,30,31,32,33,36,39,40,42,43,44,47》开34错
032期:〓〓半数02,05,06,07,09,10,11,15,17,18,21,22,23,25,26,27,29,30,31,34,35,40,48,49》开？？