If regular, 9 x 9 grid Sudoku is not challenging enough for you, give these Large Print, 16 x 16 Sudoku puzzles a try. 100 Sudoku Puzzles, rated HARD, in large print with full-size solutions.
16 x 16 Hard Sudoku Puzzles
$8.99
100 Hard, Large Print Puzzles on a 16 x 16 grid
Available on backorder
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