Binary (68,23)-code with minimal distance 16

[10000000000000000111100011100000001000000000000000011110001110000000]
[01000000000000000111100000011100000100000000000000011110000001110000]
[00100000000000000111100000000011100010000000000000011110000000001110]
[00010000000000000111010010010010000001000000000000011101001001001000]
[00001000000000000111010001001001000000100000000000011101000100100100]
[00000100000000000111010000100100100000010000000000011101000010010010]
[00000010000000000111001010001000100000001000000000011100101000100010]
[00000001000000000111001001000110000000000100000000011100100100011000]
[00000000100000000111001000110001000000000010000000011100100011000100]
[00000000010000000111000110000101000000000001000000011100011000010100]
[00000000001000000111000101010000100000000000100000011100010101000010]
[00000000000100000111000100101010000000000000010000011100010010101000]
[00000000000010000110111111110010000000000000001000011011111111001000]
[00000000000001000101111111101001000000000000000100010111111110100100]
[00000000000000100100111111011100100000000000000010010011111101110010]
[00000000000000010011111100110011100000000000000001001111110011001110]
[00000000000000001010100111111110100000000000000000101010011111111010]
[00000000000000000000000000000000001001100110011001100110011001100100]
[00000000000000000000000000000000000101010101010101010101010101010100]
[00000000000000000000000000000000000011001100110011001100110011001100]
[00000000000000000000000000000000000000111100001111000011110000111100]
[00000000000000000000000000000000000000000011111111000000001111111100]
[00000000000000000000000000000000000000000000000000111111111111111100]