020期：24码《01,03,08,10,12,16,17,18,19,20,21,22,23,24,28,29,30,31,33,37,41,43,45,49》开：12对
021期：24码《01,03,04,06,07,08,12,13,16,19,20,21,22,26,30,33,34,35,37,38,39,40,43,44》开：42错
022期：24码《04,08,09,11,14,16,18,20,21,22,23,26,27,28,29,32,33,35,36,37,38,39,45,48》开：18对
023期：24码《01,02,03,05,06,09,11,12,16,17,18,20,23,24,25,27,29,31,32,33,34,43,48,49》开：47错
024期：24码《03,04,05,10,14,16,20,22,23,25,26,27,29,32,33,35,37,39,40,41,42,43,48,49》开：？？