Michael Gioffredi
Published: 2018-10-22
Total Pages: 149
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Xtreme SuDoKu 6x6 is a variation of classic SuDoKu. Every row, column, and block must contain the numbers 1-6, with the additional constraint that each diagonal must also contain the numbers 1-6. This book contains over 400 expertly selected puzzles ranked in difficulty from easy to evil.