length n = 21
dimension k = 7
alphabet length q = 7

minimum distance d = 6

generator matrix:

1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
1	1	1	1	1	2	4	1	1	1	1	1	3	5	1	1	1	1	1	3	5
1	1	1	1	2	1	4	1	1	1	1	3	1	5	1	1	1	1	5	3	1
1	1	1	2	1	1	4	1	1	1	3	1	1	5	1	1	1	5	1	3	1
1	1	2	1	1	1	4	1	1	3	1	1	1	5	1	1	5	1	1	3	1
1	2	1	1	1	1	4	1	3	1	1	1	1	5	1	5	1	1	1	3	1
2	1	1	1	1	1	4	3	1	1	1	1	1	5	5	1	1	1	1	3	1

projective group of automorphisms generated by:

0	0	0	0	0	0	1
1	0	0	0	0	0	0
0	1	0	0	0	0	0
0	0	1	0	0	0	0
0	0	0	1	0	0	0
0	0	0	0	1	0	0
0	0	0	0	0	1	0

0	1	0	0	0	0	0
1	0	0	0	0	0	0
0	0	1	0	0	0	0
0	0	0	1	0	0	0
0	0	0	0	1	0	0
0	0	0	0	0	1	0
0	0	0	0	0	0	1