275期：（寻码）《03,04,06,08,10,11,12,18,20,23,24,25,27,28,29,30,32,35,37,40,41,43,46,48》开：24对
276期：（寻码）《03,04,05,06,09,13,15,19,24,26,29,30,32,34,35,36,37,39,40,41,44,45,47,49》开：43错
277期：（寻码）《03,05,06,07,09,10,11,15,17,18,19,21,25,30,31,32,34,36,37,38,45,46,47,49》开：48错
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：？？