length n = 20
dimension k = 5
alphabet length q = 5

minimum distance d = 12

generator matrix:

0	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
1	0	1	4	4	1	1	1	2	3	1	1	1	1	4	4	4	4	4	4
1	4	4	0	1	1	1	3	2	1	1	4	4	4	1	1	1	4	4	4
4	4	0	1	4	1	3	1	2	1	4	1	4	4	1	4	4	1	1	4
4	1	4	4	0	3	1	1	2	1	4	4	1	4	4	1	4	1	4	1

projective group of automorphisms generated by:

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

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