length n = 20
dimension k = 12
alphabet length q = 2

minimum distance d = 4

generator matrix:
00000111111111101111
00111000111111110111
11011001001111111011
11001001010000110001
01010110100001001010
10100010010010110100
00010010100110100110
10001000011001110001
01010100000111001010
10101101110101111011
01111101100011111110
11100011101011111101

projective group of automorphisms generated by:
000000000001
100000000000
010000000000
001000000001
000100000000
000010000000
000001000001
000000100000
000000010000
000000001001
000000000100
000000000010