018期：24码【【02,04,05,06,08,10,12,15,19,21,23,24,28,29,30,32,33,34,35,40,41,42,46,47】】开：10中
019期：24码【【05,07,08,11,13,14,15,16,18,20,21,24,25,29,30,31,33,34,36,38,39,41,43,44】】开：04x
020期：24码【【02,03,07,08,10,12,18,21,22,23,24,25,27,28,32,33,36,43,44,45,46,47,48,49】】开：33中
021期：24码【【01,04,05,07,08,17,21,22,23,25,27,28,32,33,35,36,38,40,41,43,45,47,48,49】】开：12x
022期：24码【【01,02,06,08,09,13,14,17,20,21,23,24,25,28,29,30,34,35,38,39,41,44,47,48】】开：//