🟢 Easy (4×4)
4×4 • corner label = cage target • rows and columns use 1–4 once
⏱ 0:00
| 6+ | 4+ | ||
| 5+ | 7+ | 1 | |
| 1 | 4 | 2− | |
| 1 | 3 | 2 |
🟡 Medium (6×6)
6×6 • corner label = cage target • rows and columns use 1–6 once
⏱ 0:00
| 5÷ | 3÷ | 10+ | |||
| 3− | 1− | 2× | |||
| 2 | 10+ | 5 | 7+ | ||
| 2 | 6 | 1− | |||
| 10+ | 8+ | 2÷ | |||
| 2− | 11+ |
🔴 Hard (7×7)
7×7 • corner label = cage target • rows and columns use 1–7 once
⏱ 0:00
| 6+ | 1 | 1− | 18+ | 20+ | ||
| 5 | 28× | |||||
| 40× | 3− | |||||
| 126× | 2÷ | 9+ | 1− | |||
| 5 | 9+ | 1− | ||||
| 20× | 1− | 10+ | ||||
| 6 | 30× |