length n = 21
dimension k = 6
alphabet length q = 7

minimum distance d = 10

generator matrix:

0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	1	1	1
0	0	0	0	0	0	1	1	1	1	0	0	0	0	1	1	1	1	1	3	5
0	0	0	1	1	1	0	0	0	1	0	0	0	1	0	1	1	1	3	1	5
0	1	1	0	0	1	0	0	1	0	0	0	1	0	0	1	1	3	1	1	5
1	0	1	0	1	0	0	1	0	0	0	1	0	0	0	1	3	1	1	1	5
1	1	0	1	0	0	1	0	0	0	1	0	0	0	0	3	1	1	1	1	5

projective group of automorphisms generated by:

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

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