Binary (87,20)-code with minimal distance 24 

[100000000000000000001001010100111111010111101000000000000000000010010101001111110101111]
[010000000000000000000101001001110010011100010100000000000000000101010010011100100111000]
[001000000000000000001010100100111001001110000010000000000000000010101001001110010011100]
[000100000000000000000101010010011100100111000001000000000000000001010100100111001001110]
[000010000000000000000011001010100011100100110000100000000000000100110010101000111001001]
[000001000000000000001001100101010001110010100000010000000000000010011001010100011100101]
[000000100000000000000100110010101000111001100000001000000000000001001100101010001110011]
[000000010000000000000011111010111001101011010000000100000000000100111110101110011010110]
[000000001000000000001000011110110001000010110000000010000000000110000111101100010000101]
[000000000100000000001100001111011000100001100000000001000000000011000011110110001000011]
[000000000010000000000111100100000001100111010000000000100000000101111001000000011001110]
[000000000001000000001010010001101101000100110000000000010000000110100100011011010001001]
[000000000000100000001101001000110110100010100000000000001000000011010010001101101000101]
[000000000000010000000110100100011011010001100000000000000100000001101001000110110100011]
[000000000000001000000010110001100000011111010000000000000010000100101100011000000111110]
[000000000000000100001000111011011101111000110000000000000001000110001110110111011110001]
[000000000000000010001100011101101110111100100000000000000000100011000111011011101111001]
[000000000000000001000110001110110111011110100000000000000000010001100011101101110111101]
[000000000000000000100011000111011011101111100000000000000000001000110001110110111011111]
[000000000000000000010000000000000000000000001111111111111111111111111111111111111111111]