What is Gordonian Polygons in Sudoku puzzles?

sudoku
KYP asked:

This is a technique to solve a hard Sudoku puzzle.

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One Response to 'What is Gordonian Polygons in Sudoku puzzles?'

  1. AM - October 19th, 2008 at 10:55 pm

    Gordonian Polygons are an extension of Gordonian Rectangles which are also known as unique rectangles and explained here:

    Gordonian polygons use the same idea as the rectangle but with more than 4 sides. There is an explanation in Peter Gordon’s book: “Mensa Guide to Solving Sudoku” but without a diagram it is pretty impossible to repeat.


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