Best binary codes

Binary (52,20)-code with minimal distance 13

[1000000000000000000011011101110110010100011011011111]
[0100000000000000000011111000011111010010011111111010]
[0010000000000000000001111100001111101001001111111101]
[0001000000000000000010101000100011101100110101101011]
[0000100000000000000011000010110101101110001000100000]
[0000010000000000000001100001011010110111000100010000]
[0000001000000000000010100110001001000011110000011101]
[0000000100000000000011000101100000111001101010011011]
[0000000010000000000011110100010100000100100111011000]
[0000000001000000000001111010001010000010010011101100]
[0000000000100000000010101011100001011001011011100011]
[0000000000010000000011000011010100110100111111100100]
[0000000000001000000011110111001110000010001101100111]
[0000000000000100000001111011100111000001000110110011]
[0000000000000010000000111101110011100000100011011001]
[0000000000000001000010001000011101101000000011111001]
[0000000000000000100001000100001110110100000001111100]
[0000000000000000010010110100100011000010010010101011]
[0000000000000000001001011010010001100001001001010101]
[0000000000000000000100101101001000110000100100101010]