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How to Play Sudoku

Sudoku is played on a 9x9 grid, divided into 9 blocks of 3x3.
The objective is to fill the grid so that each row, each column, and each 3x3 block contains all of the digits from 1 to 9 without repeating.

You can only place numbers 1 through 9.
Make sure each number appears only once in each row, column, and block.

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Expert Tips

• Start with the easiest numbers: fill in rows, columns, or blocks that already have many numbers filled in.
• Use process of elimination for tricky spots.
• Don’t guess — use logic to deduce each number.
• Scan rows and columns repeatedly as you fill in cells.