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Creator of puzzles - Big Book Sudoku X 480 Hard Puzzles (Volume 4)
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Barnes and Noble
Creator of puzzles - Big Book Sudoku X 480 Hard Puzzles (Volume 4)
Current price: $8.99
Barnes and Noble
Creator of puzzles - Big Book Sudoku X 480 Hard Puzzles (Volume 4)
Current price: $8.99
Loading Inventory...
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Sudoku X
also called
Diagonal Sudoku
. Each puzzle consists of a 9x9 grid containing given clues in various places. The object is to fill all empty squares so that the numbers 1 to 9 appear exactly once in each row, column, diagonal and 3x3 box.