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Advanced Tips & Guides- Method 2
To the right is an example of a partial Sudoku puzzle. Using only the given information, there is a way for you to locate the position of a "1" on the grid. Can you figure it out? Move your mouse over the puzzle to reveal the answer. The correct position will be highlighted in green. Sudoku Puzzle

Step-by-Step Explanation:

1. Look at the box in the upper left corner. You can figure out that this box is "1" by elimination. The box can't be "2," "3" or "4" because those numbers are already in the same 3x3 block. The box can't be "5," "6" or "7" because those numbers are already in the same row. Finally, the box can't be "8" or "9" because those numbers are already in the same column. The only remaining number is "1," which is represented by the green highlighted square.
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