Binary (49,42)-code with minimal distance 4

[1000000000000000000000000000000000000000001111111]
[0100000000000000000000000000000000000000001111100]
[0010000000000000000000000000000000000000001111010]
[0001000000000000000000000000000000000000001101101]
[0000100000000000000000000000000000000000001101110]
[0000010000000000000000000000000000000000001101000]
[0000001000000000000000000000000000000000001110101]
[0000000100000000000000000000000000000000001110110]
[0000000010000000000000000000000000000000001110000]
[0000000001000000000000000000000000000000001100111]
[0000000000100000000000000000000000000000001100100]
[0000000000010000000000000000000000000000001100010]
[0000000000001000000000000000000000000000000111101]
[0000000000000100000000000000000000000000000111110]
[0000000000000010000000000000000000000000000111000]
[0000000000000001000000000000000000000000000101111]
[0000000000000000100000000000000000000000000101100]
[0000000000000000010000000000000000000000000101010]
[0000000000000000001000000000000000000000000110111]
[0000000000000000000100000000000000000000000110100]
[0000000000000000000010000000000000000000000110010]
[0000000000000000000001000000000000000000000100101]
[0000000000000000000000100000000000000000000100110]
[0000000000000000000000010000000000000000001011101]
[0000000000000000000000001000000000000000001011110]
[0000000000000000000000000100000000000000001011000]
[0000000000000000000000000010000000000000001001111]
[0000000000000000000000000001000000000000001001100]
[0000000000000000000000000000100000000000001001010]
[0000000000000000000000000000010000000000001010111]
[0000000000000000000000000000001000000000001010100]
[0000000000000000000000000000000100000000001010010]
[0000000000000000000000000000000010000000001000101]
[0000000000000000000000000000000001000000001000110]
[0000000000000000000000000000000000100000000011111]
[0000000000000000000000000000000000010000000011100]
[0000000000000000000000000000000000001000000011010]
[0000000000000000000000000000000000000100000001101]
[0000000000000000000000000000000000000010000001110]
[0000000000000000000000000000000000000001000010101]
[0000000000000000000000000000000000000000100010110]
[0000000000000000000000000000000000000000010000111]