247期：（寻码）《01,02,06,07,08,11,12,14,15,18,21,22,28,30,32,33,34,39,40,41,43,44,45,48》开：40对
248期：（寻码）《01,05,07,10,12,13,16,17,18,20,22,26,27,28,29,30,31,34,36,43,44,45,46,48》开：20对
249期：（寻码）《01,05,06,08,09,11,13,15,16,19,21,23,25,27,30,31,35,37,38,39,40,45,48,49》开：23对
250期：（寻码）《02,03,04,08,09,11,12,15,16,20,23,24,27,30,33,36,37,38,39,41,42,44,46,49》开：14错
251期：（寻码）《01,02,05,08,11,12,15,17,18,19,20,22,23,24,26,32,33,36,37,40,41,45,46,48》开：30错
252期：（寻码）《01,02,04,05,06,09,11,14,16,18,21,22,27,30,31,36,37,38,39,40,42,44,47,49》开：？？