275期：二十四码→（01,05,07,08,10,11,15,20,21,22,23,24,30,32,33,34,35,38,40,45,46,47,48,49）开：45对
276期：二十四码→（02,05,06,07,12,13,15,17,18,21,22,23,24,25,28,29,30,33,36,37,41,43,45,49）开：09错
277期：二十四码→（01,02,05,06,09,10,11,13,15,16,17,18,21,22,29,34,37,40,41,43,45,46,48,49）开：16对
278期：二十四码→（02,03,05,06,08,10,11,13,14,15,18,19,20,24,28,29,32,33,36,37,39,41,44,48）开：00