Fifty Squares of Grey: The Spanking-New Sudoku Variant

by Brainfreeze Puzzles, Philip Riley, Laura Taalman

Overview

Whips, handcuffs . . . sudoku? When you're in the mood for some masochistic pleasure, this variant of the popular puzzle will satisfy your desires. Each 10x10 grid is divided into ten regions of 5x2. Play like regular sudoku, except using numbers 0-9. Then comes the twist: each sudoku also has five 10-square grey regions to complete—a total of 50 squares of grey.

Product Details

ISBN-13:	9781454909880
Publisher:	Puzzlewright
Publication date:	07/01/2014
Pages:	96
Product dimensions:	5.00(w) x 6.90(h) x 0.50(d)

About the Author

Mr. Riley is a software developer at Fairfield Language Technologies, and the author of numerous computer programs that analyze variants of sudoku puzzles. Dr. Taalman is a professor of mathematics as James Madison University. Her research interests include singular algebraic geometry, knot theory, and open questions about the mathematics of sudoku and other puzzles. Their 6-year-old son Calvin is not able to solve any of the puzzles in this book  . . .  yet.