280期：阴阳肖≤≤01,02,04,06,12,15,16,19,20,22,23,24,25,27,29,30,31,32,34,36,42,44,48,49≥≥开：20对
281期：阴阳肖≤≤01,03,04,06,08,14,15,16,17,19,23,25,26,27,29,33,34,35,36,40,41,42,48,49≥≥开：43错
282期：阴阳肖≤≤02,04,05,06,08,09,13,14,17,19,22,24,25,29,30,31,34,36,37,40,41,43,44,46≥≥开：88