020期:披荆斩棘≤≤01,02,09,11,21,24,27,29,30,31,33,40,44,45,46,48≥≥开:33中
021期:披荆斩棘≤≤02,04,06,08,11,16,21,22,30,31,32,39,43,45,47,49≥≥开:12XX
022期:披荆斩棘≤≤02,06,07,08,10,11,13,14,20,26,29,36,37,41,46,47≥≥开:34XX
023期:披荆斩棘≤≤02,06,08,09,10,17,21,22,23,25,26,33,39,41,43,44≥≥开:中?