020期特码主前29.19.15.47.39.49.02.09.46.41.17.35.44.31.26.33.27.30.32.16.25.14.18.36.01.开33√
021期特码主前48,25,47,04,41,27,49,06,31,10,12,35,14,37,16,39,18,20,29,08,22,45,02,24,43.开12√
022期特码主前03,15,05,23,17,11,19,07,27,29,14,04,26,16,38,02,35,28,39,40,41,31,43.47,01.开34×
023期特码主前11,23,02,03,14,04,05,07,40,41,31,43.06.15,26,35,29,19,16,27,38,17,28,39,47,开