050期:〓〓半数01,03,04,06,08,10,12,13,18,20,21,22,23,24,25,26,27,32,33,38,39,40,41,47》开23准
051期:〓〓半数03,04,06,07,09,10,11,15,16,18,22,23,25,30,31,33,37,38,39,41,42,44,47,49》开01错
052期:〓〓半数02,08,12,14,17,18,21,25,27,28,29,30,31,33,34,35,37,38,40,43,44,46,47,48》开38准
053期:〓〓半数03,05,06,07,08,10,12,13,15,18,20,21,22,23,24,27,29,31,33,34,35,40,45,47》开15准
054期:〓〓半数03,04,05,06,08,09,10,11,18,19,22,23,25,27,31,33,34,37,39,42,43,46,47,49》开48错
055期:〓〓半数01,02,03,05,08,09,11,12,14,15,19,21,22,23,25,29,30,33,35,38,39,40,48,49》开14准
056期:〓〓半数06,07,08,11,13,15,17,20,21,22,24,25,27,28,29,32,36,37,38,41,44,46,47,48》开48准
057期:〓〓半数01,03,05,06,07,14,15,16,17,20,21,23,26,29,30,31,37,38,39,40,42,43,46,47》开23准
058期:〓〓半数01,02,04,06,07,08,09,10,13,14,15,21,23,24,25,28,36,41,42,44,45,47,48,49》开？？