282期半数<<01,03,04,06,07,09,10,11,13,16,21,22,25,26,27,30,32,33,37,38,39,40,41,43,44,45,46,48>>】开41准
283期半数<<03,04,06,08,11,12,20,21,23,24,26,27,29,30,31,32,33,34,35,36,38,40,43,44,45,47,48,49>>】开45准
284期半数<<02,04,06,07,08,14,15,17,18,19,20,21,22,24,25,26,27,28,30,33,34,35,37,38,41,42,46,47>>】开41准
285期半数<<02,04,05,08,09,12,13,14,15,17,18,19,23,26,28,29,30,31,35,37,38,39,40,42,44,45,46,49>>】开24错
286期半数<<02,06,07,08,11,13,14,16,17,18,20,22,23,24,26,27,28,30,31,33,36,37,39,40,41,43,45,46>>】开03错
287期半数<<01,03,04,05,07,08,09,11,15,16,19,20,22,23,25,28,32,33,34,36,37,39,40,43,44,45,46,49>>】开？？