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Sudoku Variations Puzzle Book: 100 Sudoku Stress Relief Puzzles
Sudoku Variations Puzzle Book: 100 Sudoku Stress Relief Puzzles
Current price: $10.24
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Size: OS
("Suuji Kakure"; also known as "Pencilmark Sudoku") has 81 groups of digits in a
grid. Like a standard sudoku, the puzzle must be completed in such a way that each row, each column and each
box contains digits 1 through 9. Only the candidates shown in the grid can be used.