length n = 20
dimension k = 5
alphabet length q = 9

minimum distance d = 9

generator matrix:
01000000000011111111
00011111111100000000
00100000000012345678
00003344668836178245
10001248573600000000

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

10000
05000
00100
00010
00008