287期:〓〓半数05,06,09,10,11,13,15,17,20,21,23,25,26,28,29,31,33,36,38,39,40,42,43,44》开25准
288期:〓〓半数01,02,03,04,05,07,09,12,15,17,20,21,23,25,26,28,30,31,34,35,38,41,42,45》开09准
289期:〓〓半数03,04,07,10,11,12,14,15,17,19,22,23,24,25,27,28,29,34,38,39,41,42,44,47》开08错
290期:〓〓半数02,03,08,11,12,13,15,19,20,23,27,28,29,30,33,36,39,40,41,44,45,46,47,48》开08准
291期:〓〓半数04,07,10,11,15,16,17,18,20,21,22,25,26,28,29,31,35,37,39,41,43,45,46,48》开？？