length n = 252
dimension k = 7
alphabet length q = 2

minimum distance d = 126

generator matrix:
000001000000000011111000000000011111111110000011111111110000000100000100000100000000001111100000000001111100000000001111100000000001111111111000000000011111111110000000000111111111100000111111111100000111111111100000111111111101111101111101111101111111
000010000000111100001000011111100000011110111100001111110000001000001000001000000011110000100000011110000100000011110000100001111110000001111000011111100000011110000111111000000111101111000011111101111000011111101111000011111110111110111110111110111111
000000000000000000000000000000000000000000000000000000001111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111100000011111111111111111111
000100000111000100010011100011100011100011011101110001110000010000010000010000011100010001000011100010001000011100010001001110001110001110001011100011100011100010111000111000111000110111011100011110111011100011110111011100011111011111011111011111011111
001000011001001000100101101100101100100101101110110110010000100000100000100001100100100010001100100100010001100100100010010110110010110010010101101100101100100101011011001011001001011011101101100111011101101100111011101101100111101111101111101111101111
010000101010010001000110110101010101001001110111011010100001000001000001000010101001000100010101001000100010101001000100011011010101010100100110110101010101001001101101010101010010011101110110101011101110110101011101110110101011110111110111110111110111
100000110100100010000111011010011010010001111011101101000010000010000010000011010010001000011010010001000011010010001000011101101001101001000111011010011010010001110110100110100100011110111011010011110111011010011110111011010011111011111011111011111011

projective group of automorphisms generated by:
0000010
1000000
0010000
0000100
0000001
0100000
0001000

0000001
0000100
0010000
0000010
0001000
1000000
0100000