length n = 31
dimension k = 4
alphabet length q = 8

minimum distance d = 24

generator matrix:

0	0	0	1	1	1	1	1	1	1	1	1	0	0	0	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
1	1	1	0	0	0	2	3	3	5	6	6	1	1	1	0	0	0	2	2	4	5	5	7	1	1	1	4	4	7	7
2	3	3	5	6	6	0	0	0	3	2	3	4	5	5	2	2	7	4	5	0	0	0	5	1	4	7	1	4	1	7
6	5	6	3	2	3	6	5	6	0	0	0	2	2	7	4	5	5	0	0	2	2	7	0	1	4	7	4	1	7	1

projective group of automorphisms generated by:

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

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