simulation: https://docs.google.com/spreadsheets/d/1ewSl12B0zk4Ajbbi9KIA8ZhAFQsS8yugWRrEpRWwXVw/edit?usp=sharing
levenshtein distance
simulation: https://docs.google.com/spreadsheets/d/1ewSl12B0zk4Ajbbi9KIA8ZhAFQsS8yugWRrEpRWwXVw/edit?usp=sharing
levenshtein distance