Binary (56,12)-code with minimal distance 19

[10000000000011100101101111100101110101000101100101110011]
[01000000000011110010110011100101100010101011110101010111]
[00100000000011111001011101100101101001011100111101000101]
[00010000000010111100101010100101101000100111011001001100]
[00001000000010011110010001000101101000011010101011001000]
[00000100000010001111001100110101101100000100010010001010]
[00000010000010000111100010001101101110001011001110101011]
[00000001000010000011110101010001101111001100100000111011]
[00000000100010000001111110111111101011101111010111110011]
[00000000010010000000111011001000101001111110101100010111]
[00000000001010000000011001110011001000110110010001100101]
[00000000000110000000001000101110111000010010001111011100]