《206期》半数<<03,04,07,08,12,13,15,17,18,20,21,22,23,25,26,28,29,31,32,38,41,42,43,47>>】开47准
《207期》半数<<02,05,06,07,08,12,13,19,21,23,24,26,27,31,32,34,35,36,40,41,43,45,48,49>>】开31准
《208期》半数<<01,02,03,04,05,06,07,08,14,17,18,19,20,22,23,29,30,37,38,40,42,44,45,48>>】开19准
《209期》半数<<01,06,08,09,10,13,15,16,17,18,19,23,25,26,27,28,35,36,38,39,40,42,43,47>>】开？？