020期：阴阳肖≤≤02,06,07,08,09,10,11,12,14,16,17,23,27,28,29,32,34,36,38,41,45,46,47,48≥≥开：16对
021期：阴阳肖≤≤02,03,08,09,11,16,17,18,19,20,21,22,23,24,26,28,30,31,33,34,42,44,45,46≥≥开：39错
022期：阴阳肖≤≤02,07,09,11,13,14,15,18,19,21,22,25,27,28,29,32,36,37,39,40,41,46,48,49≥≥开：40对
023期：阴阳肖≤≤02,03,04,07,10,12,15,18,20,22,24,27,30,31,33,34,35,36,37,39,40,42,45,48≥≥开：88