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Step by step example of solving a level 5 (very hard) sudoku puzzle
| Step 15 |
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Let’s look at the column J. This sudoku logic should be pretty simple. There are only two blank cells left in this column: cells CJ & GJ. Please remember the sudoku general rule, every column must include all numbers 1 through 9. According to this rule the 2 blank cells must have the numbers 2 and 9 in them. Row G already contains the number 9 in cell GN, which means that we can’t put a 9 again in cell GJ. The only available cell for a 9 is therefore cell CJ. |
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