test4

1.AACDA-DDBBC-DADCC-CCBCA
20.DAAAA-CABDA
30.DCCAC-CADCD-ADBBB-ADABB-AADBB
56.CABDD-CCDBA-CABDC
70.CBCBA-BDDDB-DDACD-ADACD
91.DCCDA-ACCAC-ADDDA
106.DCBCD-BDACD-CBDAD-CBDAD