270期：阴阳肖≤≤02,04,06,07,08,09,11,12,15,22,23,27,28,30,31,32,36,37,38,39,42,43,44,47≥≥开：44对
271期：阴阳肖≤≤01,03,05,06,07,08,12,13,18,23,24,27,28,29,33,34,35,41,42,43,45,47,48,49≥≥开：26错
272期：阴阳肖≤≤02,03,05,09,10,13,14,20,21,22,24,25,26,28,35,36,37,38,39,40,41,44,48,49≥≥开：23错
273期：阴阳肖≤≤01,02,06,07,08,09,10,12,16,17,20,22,23,26,27,28,30,32,34,35,41,43,44,45≥≥开：88