Archived Challenging puzzle Thursday 17th September 2026 [7713]
| a | b | c | d | e | f | g | h | i | |
| A | 4 | 3 | |||||||
| B | 2 | 8 | 4 | 1 | 7 | ||||
| C | 7 | 2 | |||||||
| D | 2 | 9 | 8 | ||||||
| E | 4 | 1 | 2 | 5 | 6 | 7 | 9 | ||
| F | 1 | 3 | 2 | ||||||
| G | 3 | 8 | |||||||
| H | 7 | 5 | 3 | 2 | 1 | ||||
| I | 1 | 7 |
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