244期半数<<02,05,06,12,13,15,18,20,22,23,24,25,27,28,29,30,31,32,34,35,36,37,42,43,44,45,47,49>>】开43准
245期半数<<02,03,04,05,06,08,09,11,12,13,16,17,20,25,28,29,32,33,37,38,40,41,43,44,46,47,48,49>>】开02准
246期半数<<01,02,03,05,06,07,08,09,10,12,14,17,19,21,22,23,24,25,27,28,29,30,32,35,36,39,41,45>>】开32准
247期半数<<01,06,07,08,09,12,14,15,17,18,19,23,25,26,28,31,33,34,37,38,39,40,42,43,46,47,48,49>>】开？？