Steps 7-9
| Step 7 | ||
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Eliminate All but One The purple highlighted column is missing the numbers 1,2 and 6. The red highlighted 1 and 2 eliminate the red empty tile. The only number left for this tile is 6. |
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| Step 8 | ||
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Simple Elimination The highlighted column is missing the number 4. All but one of the empty tiles are eliminated by the red highlighted 4's. The remaining tile must be a 4. |
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| Step 9 | ||
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Simple Elimination The 9 is missing from 3x3 square. The highlighted 9's eliminate all but one of them. That tile must be a 9. |
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