278期：★24码（01,02,05,08,09,12,13,16,17,18,19,22,27,28,29,30,31,33,34,36,42,43,46,49）开：02对
279期：★24码（03,04,06,07,08,10,12,14,18,20,25,27,28,29,30,32,34,36,37,39,41,43,48,49）开：10对
280期：★24码（01,04,05,10,11,13,16,18,23,26,27,30,33,34,35,36,37,39,40,42,43,45,47,48）开：15错
281期：★24码（01,02,03,04,07,08,10,11,13,16,19,20,24,27,29,30,31,32,36,38,41,45,47,49）开：？