length n = 84
dimension k = 4
alphabet length q = 8

minimum distance d = 71

generator matrix:
000011111110111111110011111110011111110011111110011111111111111111111111111111111111
000101234571012345671122556771100336771111446771111446770022335560011334461122445566
001004562371103254762501025253647070144713066034713066032547451723667134742526135631
110000000006561212565756716753125321133261316236472627463474675351636455144121372432

projective group of automorphisms generated by:
0010
1070
0170
0001