Second edition:

CDCACADBAA

The fourth edition:

BAACDBCACD

The sixth edition:

BCCDCABCBC

The eighth edition:

ABADADADDB

Tenth edition:

DABDCDDD

Twelfth edition:

DDBBCCDA

Fourteenth edition:

CACCBBB

Sixteenth edition:

(None)

Seventeenth edition:

AADCBBCABBC

Eighteenth edition:

ACBDBABBA

The nineteenth edition:

DDABACBC

Twentieth edition:

DACBCBDC

Version 2 1:

DCDBACCC

Twenty-second edition:

ADDCBCBA

Note: each version of the multiple-choice question above is not just a question, but a whole half of all multiple-choice questions. Anyway, as long as it is a multiple-choice question, it is included. The order is from left to right and from top to bottom.