273期：（寻码）《04,05,06,07,08,12,14,17,20,21,23,25,26,27,31,34,35,36,37,38,40,42,47,49》开：05对
274期：（寻码）《01,02,06,08,10,12,13,15,17,18,23,25,26,27,28,29,34,37,38,40,42,43,46,48》开：24错
275期：（寻码）《01,02,06,07,09,10,15,17,18,20,22,24,25,26,32,33,34,35,36,39,41,42,45,46》开：31错
276期：（寻码）《01,05,06,07,08,09,11,12,14,15,17,21,26,27,29,30,32,34,35,37,38,39,41,49》开：01对
277期：（寻码）《01,02,05,07,09,14,16,17,22,23,25,26,28,30,32,33,38,40,41,42,43,46,47,48》开：？？