length n = 68
dimension k = 4
alphabet length q = 8

minimum distance d = 57

generator matrix:
00000011111100011111111111111111111111111111111111111111111111111111
00111100003611100011336611471147112334456677222344555677222344555677
11003600360013613603010614171741347141365627345425267725457223247556
36360036000031631630106041177141437413166572457232472556345452726725

projective group of automorphisms generated by:
0010
1000
0100
0001

0001
1000
0010
0100