I know I'm late to the party, but why isn't everyone mentioning Ron Jeffries infamous TDD Sudoku as a comparison? A lot of the links are dead these days, I'm a

I know I'm late to the party, but why isn't everyone mentioning Ron Jeffries infamous TDD Sudoku as a comparison? A lot of the links are dead these days, I'm afraid, but back in 2007 this was the kind of thing that everyone on HN knew about! http://ravimohan.blogspot.com/2007/04/learning-from-sudoku-solvers.html http://ravimohan.blogspot.com/2007/04/learning-from-sudoku-s...