length n = 42
dimension k = 6
alphabet length q = 9

minimum distance d = 20

generator matrix:
000000001111111111111111111111111111111111
000000110011111111111111112222222222222222
000011000011111111222222221111111122222222
001100000011112222111122221111222211112222
110000000011221122112211221122112211221122
121212121248484848484848484848484848484848

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

100000
020000
001000
000100
000010
000001

010000
000100
100000
000010
001000
000001

100000
010000
001000
000100
000010
000001