017期：16码[[02,05,08,09,14,20,23,25,26,32,33,34,37,39,47,48]]开：32√
018期：16码[[01,03,05,06,07,09,16,18,24,26,35,37,40,43,47,48]]开：39x
019期：16码[[04,06,11,12,16,17,18,19,20,21,24,26,38,39,44,49]]开：46x
020期：16码[[03,04,06,13,14,15,17,26,27,29,30,40,42,47,48,49]]开：//