270期：阴阳肖≤≤01,03,04,05,08,10,13,14,15,16,17,19,21,26,29,30,33,34,38,39,42,44,46,47≥≥开：19对
271期：阴阳肖≤≤01,02,08,14,15,17,18,23,24,25,26,27,28,30,31,32,34,35,36,38,40,43,45,48≥≥开：35对
272期：阴阳肖≤≤02,03,04,05,07,09,13,18,22,23,24,26,28,32,33,34,36,37,42,43,44,45,46,48≥≥开：02对
273期：阴阳肖≤≤02,03,06,07,09,10,12,15,18,19,24,29,31,32,33,34,35,36,37,41,42,43,44,46≥≥开：05错
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：88