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1. Fill the grid so that the numbers 1 through 9 appear in each row.
2. Fill the grid so that the numbers 1 through 9 appear in each column.
3. Fill the grid so that the numbers 1 through 9 appear in each 3x3 box.
4. A complete Sudoku puzzle contains the numbers 1 through 9 in every row, column, and 3x3 box. The same rules apply to monster mode!
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Play a fun game of Sudoku, using either numbers or monsters!
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