Absolutely Nasty Sudoku Level 4
Spiral bound
Top solvers can try their hand at the One-Sided Gordonian Rectangle; Extended Gordonian Rectangle; Gordonian Polygon; and Alternating Digits. (But they can take comfort in knowing that no more than one will occur in any single puzzle.)
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- ISBN: 9781402743993
- Author: Frank Longo
- Pub date: 01.03.07
- RRP: $27.99
- Format: Spiral bound
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