《027期》半数<<02,05,06,09,12,13,14,17,19,21,22,24,26,27,28,29,30,31,39,40,42,44,46,48>>】开17准
《028期》半数<<01,04,05,06,08,09,12,14,17,18,19,21,22,28,29,32,35,36,37,39,42,44,46,47>>】开05准
《029期》半数<<01,05,07,13,15,18,19,20,21,23,24,27,28,30,31,33,34,37,38,40,42,46,47,48>>】开17错
《030期》半数<<02,03,05,07,08,10,12,13,15,16,20,21,25,26,27,28,29,35,36,37,41,46,48,49>>】开？？