length n = 69
dimension k = 4
alphabet length q = 4

minimum distance d = 51

generator matrix:
011011011011011011011011011011011011011011111111111111111111111111111
011000033022101101123123112112103113113102012013023001301200231231232
101101101101110101110101201210201301310301222222222233333333332223333
000110220330011101213321033130223022120332023130213303212023211021301

projective group of automorphisms generated by:
1010
1011
1000
1101