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Sudoku: 200 Hard Puzzles 12x12 vol. 19
Sudoku: 200 Hard Puzzles 12x12 vol. 19
Current price: $6.49
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Sudoku Puzzle is a grid with 12 squares deep and 12 squares wide. In each square you need to enter numbers from 1 to 9. The meaning of the puzzle: use the number in each row, column and 4x3 block only once.