295期半数<<02,03,04,05,07,09,10,11,12,14,16,17,18,20,22,24,25,27,28,30,33,34,35,37,40,41,42,48>>】开05准
296期半数<<01,03,04,05,06,07,08,11,12,13,14,16,17,21,22,23,24,26,27,29,32,36,44,45,46,47,48,49>>】开13准
297期半数<<01,02,06,08,09,11,12,17,19,21,24,25,27,30,31,32,33,34,35,36,37,39,40,42,45,46,47,49>>】开36准
298期半数<<01,02,03,04,05,07,08,10,11,17,18,20,22,25,27,33,34,37,38,39,40,41,43,44,45,47,48,49>>】开29错
299期半数<<03,10,11,12,13,15,16,17,18,19,20,21,22,24,26,29,30,31,35,36,37,39,41,43,44,45,47,48>>】开？？