Odpowiedź:
Szczegółowe wyjaśnienie:
+-------+-------+-------+
| 7 2 8 | 6 5 9 | 3 1 4 |
| 6 3 5 | 4 1 8 | 9 7 2 |
| 4 9 1 | 3 7 2 | 6 8 5 |
+-------+-------+-------+
| 3 5 2 | 1 9 6 | 8 4 7 |
| 8 6 9 | 7 4 5 | 1 2 3 |
| 1 4 7 | 8 2 3 | 5 6 9 |
+-------+-------+-------+
| 9 8 3 | 2 6 4 | 7 5 1 |
| 2 1 6 | 5 3 7 | 4 9 8 |
| 5 7 4 | 9 8 1 | 2 3 6 |
+-------+-------+-------+
