242期：<<01,02,11,13,16,17,19,22,23,28,33,39,40,41,47,49>>开：16中中中
243期：<<01,05,06,09,11,12,13,15,16,21,30,31,34,37,39,48>>开：48中中中
244期：<<02,03,04,07,08,12,15,20,21,22,25,27,30,35,41,46>>开：24错错错
245期：<<05,09,12,15,17,21,23,24,30,32,35,36,39,40,45,48>>开：39中中中
246期：<<01,05,12,19,22,27,29,30,31,32,35,36,37,38,41,46>>开：16错错错
247期：<<04,05,13,21,22,25,26,27,28,29,31,33,34,40,46,49>>开：29中中中
248期：<<07,12,13,14,16,17,19,22,24,30,31,37,39,43,44,47>>开：中？