length n = 31
dimension k = 4
alphabet length q = 5

minimum distance d = 23

generator matrix:
0001011101110111111111111111111
0010102310441011111232233234444
0100121041044404124341213241223
1000210314104440142342131313432

projective group of automorphisms generated by:
0010
0001
0100
1000

0001
0010
1000
0100