Steps 13-15
| Step 13 | ||
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Simple Elimination There are three empty tiles in the highlighted column. The missing numbers are 1, 2, and 3. The highlighted 3's eliminate two of them from the empty tiles, so the remaining empty tile must be a 3. |
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| Step 14 | ||
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Simple Elimination There are three empty tiles in the highlighted row. The missing numbers are 3, 6 and 9. The highlighted 3's eliminate two of them from the empty tiles in the row, so the remaining empty tile must be a 3. |
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| Step 15 | ||
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Simple Elimination There are three empty tiles in the highlighted row. The missing numbers are 2, 4 and 5. The highlighted 4's eliminate two of them so the remaining empty tile must be a 4. |
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