length n = 31
dimension k = 5
alphabet length q = 7

minimum distance d = 22

generator matrix:
0000011111111111111111111111111
1111100112233445566112233445566
0001600162534342516341625251634
1240016111166116666222255225555
0000000345261162543614352253416

projective group of automorphisms generated by:
00100
00010
10000
01000
00001

10000
03000
00300
00060
00002