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