Dxsudoku 46 Unique Rectangle Type 2

Addendum: For a uniqueness pattern to be a valid it must occur over exactly

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A Complete Review of Tutorials #20 & #21, featuring many additional examples of UR's

A

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Explanation of the

Addendum: For a uniqueness pattern to be a valid it must occur over exactly

Addendum: For a uniqueness pattern to be a valid it must occur over exactly

The Hidden

Addendum: For a uniqueness pattern to be a valid it must occur over exactly

In How To Solve Sudoku 5x Faster With

Lesson #20:

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sudokuguy sudoku. I made a mistake by showing the

Simon solves The Daily Telegraph's Diabolical Sudoku from 6 Sept 18, which proves a bit of a monster. Hence the solve is ...

Today's Sudoku*** We continue the series of extraordinary classic sudokus that exhibit brand new techniques that computer ...