Răspuns :
1)
________________
| 2 4 8 | 7 3 5 | 1 9 6 |
| 5 6 1 | 9 2 4 | 3 7 8 |
| 7 3 9 | 1 8 6 | 2 4 5 |
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| 4 7 3 | 2 6 9 | 8 5 1 |
| 8 1 2 | 4 5 7 | 9 6 3 |
| 9 5 6 | 8 1 3 | 7 2 4 |
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| 3 2 5 | 6 9 1 | 4 8 7 |
| 1 8 4 | 5 7 2 | 6 3 9 |
| 6 9 7 | 3 4 8 | 5 1 2 |
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2)
_________________
| 9 8 1 | 4 3 7 | 5 2 6 |
| 7 4 6 | 2 8 5 | 1 3 9 |
| 2 3 5 | 9 6 1 | 7 8 4 |
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| 1 7 8 | 5 9 2 | 4 6 3 |
| 5 6 9 | 8 4 3 | 2 7 1 |
| 3 2 4 | 1 7 6 | 9 5 8 |
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| 8 1 3 | 7 2 9 | 6 4 5 |
| 4 5 2 | 6 1 8 | 3 9 7 |
| 6 9 7 | 3 5 4 | 8 1 2 |
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________________
| 2 4 8 | 7 3 5 | 1 9 6 |
| 5 6 1 | 9 2 4 | 3 7 8 |
| 7 3 9 | 1 8 6 | 2 4 5 |
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| 4 7 3 | 2 6 9 | 8 5 1 |
| 8 1 2 | 4 5 7 | 9 6 3 |
| 9 5 6 | 8 1 3 | 7 2 4 |
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| 3 2 5 | 6 9 1 | 4 8 7 |
| 1 8 4 | 5 7 2 | 6 3 9 |
| 6 9 7 | 3 4 8 | 5 1 2 |
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2)
_________________
| 9 8 1 | 4 3 7 | 5 2 6 |
| 7 4 6 | 2 8 5 | 1 3 9 |
| 2 3 5 | 9 6 1 | 7 8 4 |
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| 1 7 8 | 5 9 2 | 4 6 3 |
| 5 6 9 | 8 4 3 | 2 7 1 |
| 3 2 4 | 1 7 6 | 9 5 8 |
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| 8 1 3 | 7 2 9 | 6 4 5 |
| 4 5 2 | 6 1 8 | 3 9 7 |
| 6 9 7 | 3 5 4 | 8 1 2 |
----------------------------