277期：︽24码︽（01,05,06,10,11,12,14,17,20,22,23,24,25,26,27,35,38,39,43,44,45,46,47,49）开：11中
278期：︽24码︽（02,03,06,13,14,19,21,22,23,24,25,27,29,30,34,35,36,37,39,42,43,44,46,49）开：02中
279期：︽24码︽（01,03,04,08,13,15,16,17,19,20,23,24,25,27,29,33,34,38,41,42,44,45,47,49）开：10错
280期：︽24码︽（01,03,05,06,07,09,12,14,17,23,26,28,29,30,31,33,34,35,36,38,42,43,48,49）开：15错
281期：︽24码︽（02,05,08,16,17,18,20,23,25,26,27,28,29,30,34,36,37,39,40,41,43,46,47,48）开：**