re: Coming Back to Old Problems: How I Finally Wrote a Sudoku Solving Algorithm VIEW POST


Interesting story! Puzzles are fun.

I am not a software developer, but would like to share a simple method to use excel to solve SUDOKU.

It only uses addition and substitution, with no guessing, and only the 81 cells.

Only formulas, no macros or programs.

All puzzles, including "the world's hardest" have been solved.

Let me know if you have interest.


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