答案:

1-10 BBACCCBABC
11-20 DAACCBABAC
21-30 CBCCBABDBD
31-40 BACACBAACD
41-50 BBBCADBCBB
51-60 DBACDDACBC
61-70 CADBDCDACC
71-80 BBBBCBACDC
81-90 CABAADBCAA
91-100 BBBAADDCDB