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Mensa Absolutely Nasty Sudoku Level 4

Mensa Absolutely Nasty Sudoku Level 4

Regular price £10.69
Sale price £10.69 Regular price
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.)