Just so you know, this is the same Hamming that published the classic essay, "You and Your Research" (1986): <a href="https://www.site.uottawa.ca/~yymao/misc/Hamming_kaiser.html" rel="nofollow">https://www.site.uottawa.ca/~yymao/misc/Hamming_kaiser.html</a>
The same idea can be applied to a two-dimensional grid of bits: <a href="http://datagenetics.com/blog/december12014/index.html" rel="nofollow">http://datagenetics.com/blog/december12014/index.html</a>