Binary (56,11)-code with minimal distance 20

[10000000000111111100000000011111111111000000001111111110]
[01000000000111000011110000011100000000111100001111000001]
[00100000000111000000001111011010000000111100000000111101]
[00010000000100110011001100011001000000110011001100110001]
[00001000000100101010100010111000100000110010101010001011]
[00000100000010110010010001111000010000101011001001000111]
[00000010000010010100111010011000001000101001010011101001]
[00000001000010111001101001010000000100001011100110100101]
[00000000100001000101111100110000000010000100010111110011]
[00000000010001001111100111101000000001100100111110011110]
[00000000001000000000000000000111111111111111111111111111]