Diagonal Sudoku: 200 Puzzles With An X

Diagonal Sudoku: 200 Puzzles With An X

  • Publish Date: 2008-12-02
  • Binding: Paperback
  • Author: Dj Ape
CreateSpace Independent Publishing Platform
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Diagonal Sudoku (Sudoku X) puzzles add another twist to your favorite game: both diagonals must contain all digits from 1 to 9 precisely once. This additional rule forces you to use new solving methods which are explained in the introduction. The books contains 200 puzzles split into 5 levels of difficulty. None of the puzzles are too easy and they cannot be solved without using the "X" rule.

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