《298期》半数<<02,05,07,08,09,11,12,13,15,18,21,22,23,25,26,27,34,35,36,41,43,45,47,48>>】开23准
《299期》半数<<03,04,05,06,08,11,13,16,17,23,24,25,28,29,33,34,35,38,40,45,46,47,48,49>>】开49准
《300期》半数<<03,04,07,08,10,11,12,13,14,16,18,23,24,27,29,30,34,35,36,38,41,44,46,48>>】开40错
《301期》半数<<01,02,04,06,10,12,13,14,17,20,21,24,26,27,29,30,31,33,35,37,38,42,43,46>>】开？？