278期：{{03,09,12,13,15,17,20,22,27,28,30,35,37,38,40,49}}开：28对了
279期：{{01,03,06,07,12,14,17,19,20,21,30,33,34,35,40,41}}开：27X
280期：{{02,06,10,13,14,16,18,22,23,28,32,34,39,40,41,42}}开：42对了
281期：{{02,05,08,10,11,12,14,16,17,18,20,28,30,31,37,43}}开：47X
282期：{{03,04,06,08,11,17,20,23,24,27,28,30,36,43,45,47}}开：00