Binary (48,39)-code with minimal distance 4

[100000000000000000000000000000000000000011111101]
[010000000000000000000000000000000000000011110010]
[001000000000000000000000000000000000000011101010]
[000100000000000000000000000000000000000011100110]
[000010000000000000000000000000000000000011100000]
[000001000000000000000000000000000000000011100011]
[000000100000000000000000000000000000000010111100]
[000000010000000000000000000000000000000010110011]
[000000001000000000000000000000000000000010101011]
[000000000100000000000000000000000000000010100111]
[000000000010000000000000000000000000000010100001]
[000000000001000000000000000000000000000010100010]
[000000000000100000000000000000000000000011011100]
[000000000000010000000000000000000000000011010011]
[000000000000001000000000000000000000000011001011]
[000000000000000100000000000000000000000011000111]
[000000000000000010000000000000000000000011000001]
[000000000000000001000000000000000000000011000010]
[000000000000000000100000000000000000000010011101]
[000000000000000000010000000000000000000010010010]
[000000000000000000001000000000000000000010001010]
[000000000000000000000100000000000000000010000110]
[000000000000000000000010000000000000000001111111]
[000000000000000000000001000000000000000001110000]
[000000000000000000000000100000000000000001101000]
[000000000000000000000000010000000000000001100100]
[000000000000000000000000001000000000000001100010]
[000000000000000000000000000100000000000001100001]
[000000000000000000000000000010000000000000111110]
[000000000000000000000000000001000000000000110001]
[000000000000000000000000000000100000000000101001]
[000000000000000000000000000000010000000000100101]
[000000000000000000000000000000001000000000100011]
[000000000000000000000000000000000100000001011110]
[000000000000000000000000000000000010000001010001]
[000000000000000000000000000000000001000001001001]
[000000000000000000000000000000000000100001000101]
[000000000000000000000000000000000000010001000011]
[000000000000000000000000000000000000001000011111]