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How To Play Toroidal Sudoku

Games : Puzzles

Toroidal sudoku is a variant of the classic sudoku puzzle that can be really quite confusing to play!

Essentially you start with the grid as normal, but instead of nice regular 3 x 3 boxes drawn on it, there are lines that go off the top of the page and back on the other side of the grid.

These are therefore what you need to fill the numbers 1 - 9 in once only in addition to the usual column and row patterns.

They are easiest to play if colour is used to demarcate the regions as just going on the lines alone can be very confusing indeed!


By: Fred

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