Absolutely Nasty® Sudoku Level 3
By Frank Longo (Author)
Price$11.99
Format Paperback - Concealed Spiral
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Absolutely Nasty® Sudoku Level 3
by Frank Longo
OVERVIEW
The difficulty level soars, as even more tricks get added to the mix: X-Wing; Swordfish; XY-Wing; XYZ-Wing; and the Gordonian Rectangle.