length n = 12
dimension k = 7
alphabet length q = 7

minimum distance d = 2

generator matrix:
000000001111
000100010000
001000100000
010001000000
000000002255
100010000000
000000003434

projective group of automorphisms generated by:
0000100
0000010
0100000
0010000
0000001
0001000
1000000

1000000
0600000
0060000
0006000
0000100
0000040
0000006