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