Absolutely Nasty(r) Sudoku Level 3
Longo, Frank
140274398X
ISBN 13: 9781402743986
Softcover

Absolutely Nasty(r) Sudoku Level 3

27
ING9781402743986
Special order direct from the distributor

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