length n = 28
dimension k = 7
alphabet length q = 3

minimum distance d = 15

generator matrix:
0111111111111111111111111111
1011222111112211111122222222
2212012111121211222211112222
1122102111211222112211221122
2102221112111212122222121211
2221120121111222221112122112
1220211211111222211221212211

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

0010000
0001000
0000100
1000000
0000001
0100000
0000010