245期：阴阳肖≤≤01,02,05,09,12,14,17,19,20,23,25,27,28,32,33,35,37,39,41,42,44,46,47,49≥≥开：44对
246期：阴阳肖≤≤03,05,07,08,09,10,13,15,18,20,23,25,26,30,31,32,33,36,37,38,39,40,46,49≥≥开：06错
247期：阴阳肖≤≤03,05,06,09,10,11,12,13,14,17,21,23,24,26,27,29,32,33,34,38,41,45,47,48≥≥开：25错
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：88