Binary (56,40)-code with minimal distance 6

[10000000000000000000000000000000000000000011100010001110]
[01000000000000000000000000000000000000000111111101101010]
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[00001000000000000000000000000000000000000010101111010110]
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[00000000000100000000000000000000000000001110000111101010]
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[00000000000000001000000000000000000000001000110000001100]
[00000000000000000100000000000000000000000100101000001010]
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[00000000000000000001000000000000000000001001000010010100]
[00000000000000000000100000000000000000000101000001010010]
[00000000000000000000010000000000000000001100000000100110]
[00000000000000000000001000000000000000000000000111111001]
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[00000000000000000000000000000001000000000000010010010101]
[00000000000000000000000000000000100000000000011011110001]
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[00000000000000000000000000000000001000000000000100001111]
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[00000000000000000000000000000000000010000000001110001001]
[00000000000000000000000000000000000001000000011100100001]
[00000000000000000000000000000000000000100000010111101010]
[00000000000000000000000000000000000000010000011010110110]