297期：阴阳肖≤≤01,02,03,07,12,13,15,16,17,18,19,20,21,24,26,27,28,30,33,34,36,41,43,49≥≥开：12对
298期：阴阳肖≤≤02,05,07,08,11,15,17,19,21,22,23,28,29,31,33,36,37,38,42,43,45,46,48,49≥≥开：31对
299期：阴阳肖≤≤01,02,03,06,08,10,13,17,18,21,22,23,25,26,27,29,33,36,37,39,41,42,44,48≥≥开：88