243期:〓〓半数01,03,04,05,08,10,11,17,18,19,21,22,23,24,26,27,28,29,32,35,36,37,38,39,42,44,45,48》开21准
244期:〓〓半数03,04,06,07,08,09,11,12,14,15,16,17,18,20,21,22,23,26,27,28,31,35,36,37,40,43,44,48》开46错
245期:〓〓半数01,02,03,04,05,06,07,10,11,12,13,16,17,21,23,25,28,30,35,40,41,42,44,45,46,47,48,49》开18错
246期:〓〓半数01,04,06,07,08,09,13,15,16,18,19,21,23,25,28,29,30,31,34,35,36,39,41,43,44,45,46,47》开？？