Absolutely Nasty(r) Sudoku Level 3

The difficulty level soars, as even more tricks get added to the mix: X-Wing; Swordfish; XY-Wing; XYZ-Wing; and the Gordonian Rectangle.

Binding Type: Spiral
Publisher: Puzzlewright
Published: 03/01/2007
ISBN: 9781402743986
Pages: 159
Weight: 0.68lbs
Size: 9.00h x 6.42w x 0.50d