018期：披荆斩棘≤≤02,06,07,10,15,19,20,23,26,35,37,38,41,42,43,49≥≥开：23中
019期：披荆斩棘≤≤04,07,10,11,17,21,22,28,31,33,36,40,41,45,46,49≥≥开：27XX
020期：披荆斩棘≤≤08,09,11,14,18,20,22,23,30,31,33,38,39,40,42,45≥≥开：16XX
021期：披荆斩棘≤≤01,02,10,12,13,15,17,18,21,25,30,37,39,42,44,49≥≥开：中？