015期：16码[[01,04,10,12,13,17,20,21,25,31,34,37,42,43,45,49]]开：42√
016期：16码[[02,06,08,09,11,12,18,23,30,31,37,39,44,45,47,49]]开：20x
017期：16码[[01,05,08,12,16,17,18,25,31,35,36,39,45,47,48,49]]开：40x
018期：16码[[01,02,04,05,09,10,19,24,30,36,38,42,44,45,46,49]]开：//