Actually Sudoku involves a lot of repetitive searching, a task I don't enjoy in a puzzle. What I do enjoy is that the puzzling parts remind me of logic puzzles. The effort above, though, doesn't really remind me of any logic puzzles I've done. One of the stepping stones to the above was a spreadsheet I had already put together to do some of the obvious checking in a Sudoku. It basically helps with the uniqueness checking and leaves the subtle parts for the solver.
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Actually Sudoku involves a lot of repetitive searching, a task I don't enjoy in a puzzle. What I do enjoy is that the puzzling parts remind me of logic puzzles. The effort above, though, doesn't really remind me of any logic puzzles I've done. One of the stepping stones to the above was a spreadsheet I had already put together to do some of the obvious checking in a Sudoku. It basically helps with the uniqueness checking and leaves the subtle parts for the solver.