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Wed, 23 Oct 2019

What is odd/even sudoku?

Odd/Even sudoku is a popular variant of sudoku in which an additional piece of information is given about some of the cells in the puzzle.

This piece of information is whether the number in that cell is odd or even.

There are two common versions of this puzzle. In the first variant, you are told whether or not the cells are odd or even at the start. In the other variant, you must work out whether the cells that are shaded are odd or even in value.


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Any tips on solving odd/even sudoku?
The key of course is to use the extra information given to...

What is odd/even sudoku?
Odd/Even sudoku is a popular variant of sudoku in which an...

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