278期：（寻码）《03,07,08,09,11,13,16,17,18,20,22,24,25,32,35,38,41,42,43,44,45,46,47,48》开：22对
279期：（寻码）《01,03,04,07,08,11,13,14,15,18,19,21,23,24,26,27,29,35,36,41,42,45,47,48》开：27对
280期：（寻码）《01,04,06,07,08,09,10,11,14,15,18,23,24,25,28,30,36,39,40,41,42,44,45,46》开：07对
281期：（寻码）《03,04,05,13,18,19,25,26,27,28,30,31,32,33,34,35,38,39,40,43,46,47,48,49》开：24错
282期：（寻码）《02,06,07,08,09,11,13,18,20,21,23,24,31,32,33,35,36,39,40,41,42,43,45,48》开：37错
283期：（寻码）《03,04,05,07,08,11,13,16,17,19,20,21,25,26,28,30,33,35,36,37,38,39,48,49》开：？？