Overview
• Swordfish
• X-Wing
• Double Channeling
• Uniqueness
Start with a Sudoku 101 refresher course in basic rules and techniques before moving up to methods formerly only whispered about in the halls of the mathematics department. By the end of this book, you will have mastered Sudoku. So what are you waiting for?
“Logic has not been this fashionable since the Rubik’s Cube.”—ABCNews.com
“The morning brain breakfast for millions.”—USA Today
“Feel the rush and become addicted.”—Slate
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