278期：24码$$（02,07,08,10,14,16,21,22,23,24,25,28,29,30,31,35,37,38,39,41,45,46,47,49）开：02中
279期：24码$$（02,04,05,06,08,11,12,13,14,16,18,20,26,27,30,32,34,35,40,42,43,44,47,48）开：10错
280期：24码$$（03,04,09,10,15,16,17,20,22,24,25,26,29,30,33,35,38,41,42,43,45,47,48,49）开：88