Steps 10-12
| Step 10 | ||
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Simple Elimination There are two empty tiles in the highlighted 3x3 square. The missing numbers are 2 and 7. The highlighted 7 eliminates one of them, so the remaining empty tile must be a 7. |
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| Step 11 | ||
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Single Possibility There is only one empty tile in the highlighted 3x3 square. It must be the one missing number, 2. |
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| Step 12 | ||
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Simple Elimination There are five empty tiles in the highlighted column. One of the missing numbers is 3. Some 3's are highlighted in the same rows or 3x3 square as 4 of the empty tiles. The remaining tile must be a 3. |
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