016期：〓(04,06,07,08,10,12,13,15,16,17,18,20,22,25,26,27,29,30,31,33,35,40,47,49)〓→开:12准
017期：〓(01,05,06,07,09,10,11,15,17,20,21,23,24,28,31,32,35,37,38,39,40,41,42,49)〓→开:04错
018期：〓(01,02,05,06,07,08,09,12,14,15,17,21,29,30,31,32,37,39,43,44,45,46,47,49)〓→开:31准
019期：〓(05,06,07,09,10,12,13,14,16,18,19,22,25,27,28,29,31,32,33,38,42,43,47,49)〓→开:40错
020期：〓(01,03,06,07,09,10,14,15,19,20,21,24,25,27,29,30,32,34,36,42,43,45,46,49)〓→开:10准
021期：〓(03,04,07,08,09,10,11,13,14,15,20,21,22,23,24,25,26,31,32,40,42,45,46,49)〓→开:??←