020期：（寻码）《03,05,07,10,12,15,19,20,21,22,25,26,27,28,29,30,32,34,37,40,41,42,46,47》开：12对
021期：（寻码）《04,07,08,10,11,12,13,16,18,19,20,21,22,24,26,33,36,37,40,41,44,45,47,49》开：42错
022期：（寻码）《02,04,05,06,07,08,09,10,13,14,17,20,21,22,24,25,30,31,32,36,37,40,43,46》开：？？
