274期：阴阳肖≤≤01,02,03,05,06,08,09,12,14,16,19,20,21,28,29,32,33,34,36,43,44,45,46,49≥≥开：33对
275期：阴阳肖≤≤01,03,04,05,06,08,09,10,11,14,15,17,18,25,26,27,29,31,32,33,37,44,45,47≥≥开：17对
276期：阴阳肖≤≤04,05,08,09,10,11,13,17,20,22,24,28,29,32,35,37,38,39,40,41,43,44,46,47≥≥开：14错
277期：阴阳肖≤≤01,05,06,08,11,13,14,15,20,21,24,25,26,27,34,35,38,40,41,42,45,46,47,48≥≥开：11对
278期：阴阳肖≤≤02,03,07,08,09,11,13,14,20,23,26,30,32,33,34,35,36,42,43,44,45,46,47,48≥≥开：02对
279期：阴阳肖≤≤01,02,03,04,07,12,13,15,17,18,20,21,23,25,30,32,33,35,36,39,41,43,44,49≥≥开：10错
280期：阴阳肖≤≤01,02,03,04,05,08,09,10,12,15,16,19,20,22,24,26,29,30,31,32,36,37,43,44≥≥开：15对
281期：阴阳肖≤≤01,02,05,09,10,13,14,16,17,18,19,22,29,30,32,34,35,36,41,42,45,47,48,49≥≥开：88