length n = 20
dimension k = 5
alphabet length q = 2

minimum distance d = 9

generator matrix:
00001000011111101111
00010011100011110111
00100101101100111011
01000110110101011101
10000111011010011110

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

00010
10000
00100
01000
00001

00001
10000
00100
00010
01000