How to Solve Sudoku Step by Step

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Solving Sudoku doesn't have to be intimidating. Follow this step-by-step approach to build your skills and confidence.

Step 1: Understand the Rules

Every row, column, and 3x3 box must contain the numbers 1-9 without repetition.

Step 2: Start with Obvious Numbers

Look for cells that have only one possible number. These are your "naked singles."

Step 3: Use Elimination

For each empty cell, consider which numbers are already used in its row, column, and box.

Step 4: Look for Hidden Singles

Find numbers that can only go in one cell within a row, column, or box.

Step 5: Use Pencil Marks

Write small numbers in cells to track possible candidates.

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