Sudoku
Of puzzle.
A number puzzle in which the numbers 1 through 9 must be placed into a grid of cells so that each row or column contains only one of each number.
This concept's ID is @1~36126
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Of puzzle.
A number puzzle in which the numbers 1 through 9 must be placed into a grid of cells so that each row or column contains only one of each number.
This concept's ID is @1~36126