length n = 81
dimension k = 4
alphabet length q = 9

minimum distance d = 71

generator matrix:
000000111111111111111111111111111111111100001111111111111111111111111111111111111
001111000011223333444444555566667777888811110000111112222233334455556666777788882
111567146807370238336677034801470167134814471468044670378811384403661478016713580
155543323665888251231215161010106811503141386882358630530528653502245272806063063

projective group of automorphisms generated by:
8021
7413
0154
0806