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