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Sudoku : The X-Factor

ByIan Evans

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If you are addicted to Sudoku, but feel like a change, why not try this collection of 320 new Sudoku-X puzzles? This modification of the Sudoku theme imposes the additional requirement that each of the nine symbols used (normally 1 to 9, as with Sudoku) should occur just once on each main diagonal, leading to a fresh and stimulating new challenge. An introduction explains the key points about Sudoku-X, briefly discussing required solution techniques. The ‘meat’ of the book is supplied by four sets of 80 Sudoku-X puzzles at four grades of difficulty as assessed in terms of required solution techniques. More puzzles can be found on our website : - http://www.sudokasana.co.uk

Details

Publication Date
Nov 17, 2006
Language
English
Category
Games
Copyright
All Rights Reserved - Standard Copyright License
Contributors
By (author): Ian Evans

Specifications

Pages
328
Binding
Coil Bound
Interior Color
Black & White
Dimensions
US Trade (6 x 9 in / 152 x 229 mm)

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