Binary (99,20)-code with minimal distance 28

[100000000000000000001100011111011110100111000001011000001000000000011000111000001000010110001111100]
[010000000000000000000110001111101111010011100000100100001000000000001111100011111011110100111000001]
[001000000000000000001011010101010010110110101010110010000000000000010001001010101011010010010101011]
[000100000000000000000101111000001100000100001111110001001000000000011111011110000011000001000011111]
[000010000000000000001010101110100011011101011101010000101000000000011001010100010111001000101000100]
[000001000000000000000101010111010001101110101110100000011000000000001111010101110100011011101011101]
[000000100000000000001010111001001101101000001101110000000111111111101101010000010011011010011100101]
[000000010000000000000101001110000011101011011100010000001100000000011111010011100000111010110111000]
[000000001000000000001010100111000001110101101110000000001010000000001111010110001111100010100100010]
[000000000100000000001101010011100000111010110111000000000001000000000110101011000111110001010010000]
[000000000010000000001110101001110000011101011011100000000000100000000000010101100011111000101001001]
[000000000001000000000111000110011101010001110111010000000000010000010111110001100111010100011101110]
[000000000000100000001011100011001110101000111011100000001000001000001001000111001100010101110001001]
[000000000000010000000101100011000010001011000111010000000000000100010001011000110000100010110001110]
[000000000000001000000010110001100001000101100011100000001000000010001000101100011000010001011000111]
[000000000000000100000001001010010101111101101011010000000000000001010000010010100101011111011010110]
[000000000000000010000000100101001010111110110101100000001000000000101000001001010010101111101101011]
[000000000000000001000000000000000000000000000000001111110000000111111100000001111111000000011111110]
[000000000000000000100000000000000000000000000000000000000111111111111100000001111111111111100000000]
[000000000000000000010000000000000000000000000000000000000000000000000001111111111111111111111111110]