length n = 42
dimension k = 6
alphabet length q = 4

minimum distance d = 28

generator matrix:
000001111111111111111000001111111111111111
001110001112222222333011110000111122223333
010220330221112333033101120111022300132233
121011330230112012023222302013312302210103
123113033003130330332131222332311131230221
121311221210221122322202021221111103302301

projective group of automorphisms generated by:
323230
133223
102131
301112
301012
011121