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