What you really want to use is an error-correcting code [1]. These have been applied to information storage in DNA [2]. 1. https://en.wikipedia.org/wiki/Forwar

What you really want to use is an error-correcting code [1]. These have been applied to information storage in DNA [2]. 1. https://en.wikipedia.org/wiki/Forward_error_correction https://en.wikipedia.org/wiki/Forward_error_correction 2. http://onlinelibrary.wiley.com/doi/10.1002/anie.201411378/abstract http://onlinelibrary.wiley.com/doi/10.1002/anie.201411378/ab...