018期：24码【【01,02,03,04,05,06,10,12,13,17,18,19,21,28,29,30,31,32,36,42,43,44,46,47】】开：10中
019期：24码【【01,02,03,08,11,14,16,17,19,21,23,24,25,26,27,28,31,32,38,39,40,41,43,45】】开：06x
020期：24码【【01,04,05,06,07,08,10,11,12,13,14,16,18,19,22,25,28,30,35,36,39,40,45,47】】开：34x
021期：24码【【01,02,04,07,09,12,15,17,20,21,24,31,32,33,35,36,38,40,41,43,44,45,47,49】】开：//