length n = 81
dimension k = 6
alphabet length q = 5

minimum distance d = 57

generator matrix:
000000000011111111111111111111011111000001111111111111111111111111111111111111111
001111111100000000111111444444101111111110000011111111222222333333111222233334444
110011444400114444001114000014110111122331223301112233001122001133334223411241234
141104011414110014040040014410111011312111121330330203222201131101242341133244213
411411401011041410400400110404111101121133211133032030120222110311242113424332431
114140410441401404114001104000111110322313223113302211212010313010334342224112143

projective group of automorphisms generated by:
100000
000100
000010
000001
010000
001000

001000
000100
000001
000010
010000
100000