277期：阴阳肖≤≤01,03,05,07,08,09,15,16,18,19,26,29,30,33,35,36,37,41,42,43,45,46,48,49≥≥开：48对
278期：阴阳肖≤≤02,03,05,06,09,10,12,14,15,17,20,23,26,28,31,32,33,38,39,40,42,43,44,47≥≥开：22错
279期：阴阳肖≤≤02,03,04,05,06,10,11,13,14,16,18,20,21,22,26,27,29,30,31,37,39,43,47,48≥≥开：27对
280期：阴阳肖≤≤01,05,06,08,09,11,12,15,16,18,19,21,22,23,24,25,26,32,34,36,37,38,43,44≥≥开：07错
281期：阴阳肖≤≤01,02,03,06,08,09,13,14,15,16,17,20,24,29,30,31,34,35,36,39,43,44,45,47≥≥开：88