154期:〓〓半数02,03,07,10,11,13,14,16,19,21,22,23,24,25,26,30,38,39,40,42,45,46,47,49》开21准
155期:〓〓半数01,03,04,05,06,09,13,14,16,17,18,21,23,25,26,33,35,37,38,39,41,42,44,48》开18准
156期:〓〓半数01,02,05,07,08,10,22,23,24,25,26,27,29,30,33,35,37,42,44,45,46,47,48,49》开？？