248期：阴阳肖≤≤01,03,07,10,12,13,14,15,19,20,24,28,29,32,33,35,36,38,39,40,42,45,46,49≥≥开：12对
249期：阴阳肖≤≤02,03,04,05,09,11,12,13,14,15,16,22,27,29,31,35,36,37,38,43,44,47,48,49≥≥开：02对
250期：阴阳肖≤≤01,02,06,07,08,09,10,11,12,13,17,21,24,28,29,31,35,38,39,40,41,43,46,47≥≥开：12对
251期：阴阳肖≤≤01,02,04,06,10,11,12,13,14,15,16,17,19,21,26,27,31,32,34,36,44,45,46,49≥≥开：35错
252期：阴阳肖≤≤01,02,04,05,07,09,11,12,13,17,20,23,24,28,31,39,41,43,44,45,46,47,48,49≥≥开：88