250 Tridoku Sudoku Puzzles: Medium to Hard Triangular Sudoku Puzzles by Mindful
23,72 €
250 Tridoku Sudoku Puzzles. Short Title 250 Tridoku Sudoku Puzzles. Series Tridoku Puzzles. by Mindful Puzzle Books. The puzzle consists of nine large triangles; the numbers 1 through 9 must be placed into the triangular cells of each large triangle.
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