Re: Hardest Sudoku I\'ve ever seen
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doesn't colouring imply guessing?
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That's a long discussion but I can see the complaint. I turned off coloring as an option and it solved it just using Xwing and Ywing deductions on top of the basic stuff.
Having to do multiple Xwings to solve a Sudoku is pretty obnoxious and easy to miss so I would definately classify this as a darn hard Sudoku.
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