length n = 84
dimension k = 4
alphabet length q = 5

minimum distance d = 65

generator matrix:
011100011111111100011111111100000011111111111111111111111111111111111111111111111111
101111100011223311100011444411111100000022223333444411231123112223334444112223334444
110112312302010314414404001422334422334400340024002312131321241342341234342341241234
111021321320103041441440140034242334242334002400230021133121424313242143433244213412

projective group of automorphisms generated by:
0001
1000
0100
0010

0100
1000
0010
0001