299期:〓〓半数02,06,08,10,11,12,15,17,21,24,25,30,31,34,36,37,39,40,42,43,44,46,48,49》开49准
300期:〓〓半数01,02,05,07,09,10,12,14,15,16,17,18,20,22,25,27,29,32,35,39,40,42,48,49》开40准
301期:〓〓半数03,05,06,07,08,11,12,14,17,19,20,22,24,25,27,28,29,30,33,34,35,36,37,40》开05准
302期:〓〓半数07,08,09,10,11,14,16,18,20,22,23,26,29,30,32,33,34,35,36,38,39,44,46,47》开22准
303期:〓〓半数01,03,07,08,10,11,14,16,17,19,20,21,23,25,33,34,35,37,39,41,42,43,44,47》开？？