How To Solve SuDoku Puzzles |
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After lightly entering all possible 8s, we discover that there is only one square in blocks 6 and 7 where we can place an 8. (Remember! The 8 cannot appear twice in any column or row.)
Now we can safely enter the two 8s in blocks 6 and 7.
Now, identify another number with a high frequency rate. Next page> |
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