246期：阴阳肖≤≤03,05,06,07,08,11,12,15,16,18,19,20,25,30,31,32,35,42,43,44,45,46,48,49≥≥开：32对
247期：阴阳肖≤≤02,03,05,08,09,11,12,14,16,19,22,23,25,26,27,30,32,35,36,40,42,43,44,48≥≥开：27对
248期：阴阳肖≤≤01,02,06,09,11,14,17,18,19,20,21,23,24,27,30,31,33,35,39,42,43,44,46,49≥≥开：03错
249期：阴阳肖≤≤01,02,03,04,13,14,15,16,17,18,21,22,23,24,26,28,29,30,31,34,36,37,43,44≥≥开：31对
250期：阴阳肖≤≤02,04,06,08,09,12,15,20,21,22,23,25,27,28,29,30,34,35,36,38,39,43,44,48≥≥开：42错
251期：阴阳肖≤≤02,03,05,06,08,09,10,11,12,13,14,17,19,20,21,22,26,28,34,36,38,40,42,45≥≥开：13对
252期：阴阳肖≤≤01,02,03,05,07,08,10,11,12,15,18,22,27,33,34,37,38,40,41,44,45,47,48,49≥≥开：88