244期：（（03,05,06,09,15,17,22,23,24,30,33,38,39,45,47,48））开：24中中中
245期：（（01,02,10,11,12,15,21,23,29,34,35,38,39,43,48,49））开：39中中中
246期：（（01,02,04,06,09,13,16,21,23,27,29,33,34,36,38,41））开：16中中中
247期：（（05,06,07,10,17,19,20,26,33,34,36,41,43,44,46,48））开：29错错错
248期：（（01,02,05,06,12,13,16,17,24,29,30,35,37,44,45,47））开：15错错错
249期：（（01,05,06,15,21,22,23,24,28,30,34,35,38,45,48,49））开：中？