291期：阴阳肖≤≤01,02,03,06,07,08,11,12,15,17,18,21,24,25,26,30,31,33,39,41,43,44,45,46≥≥开：17对
292期：阴阳肖≤≤01,03,04,07,09,10,11,12,13,15,19,20,22,24,27,29,31,32,33,36,41,45,47,49≥≥开：36对
293期：阴阳肖≤≤01,02,04,07,09,10,12,17,18,20,24,28,30,31,35,37,38,39,41,43,46,47,48,49≥≥开：88