length n = 21
dimension k = 5
alphabet length q = 3

minimum distance d = 12

generator matrix:

0	0	0	0	0	0	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
0	0	0	1	1	1	0	0	0	1	1	1	1	1	1	2	2	2	2	2	2
0	1	1	0	0	1	0	0	1	0	1	1	2	2	2	1	1	1	2	2	2
1	0	1	0	1	0	0	1	0	0	1	2	1	2	2	1	2	2	1	1	2
1	1	0	1	0	0	1	0	0	0	1	2	2	1	2	2	1	2	1	2	1

projective group of automorphisms generated by:

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

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