🟢 Easy (4×4)
4×4 • corner label = cage target • rows and columns use 1–4 once
⏱ 0:00
| 2 | 3 | 3− | |
| 4 | 8× | 2 | 6× |
| 4+ | 1− | ||
| 1 |
🟡 Medium (6×6)
6×6 • corner label = cage target • rows and columns use 1–6 once
⏱ 0:00
| 24× | 10+ | 6 | 11+ | ||
| 20× | 1 | ||||
| 9+ | 12+ | ||||
| 24× | 2− | 5 | |||
| 6 | 4− | ||||
| 2 | 5÷ | 12× | 6 |
🔴 Hard (7×7)
7×7 • corner label = cage target • rows and columns use 1–7 once
⏱ 0:00
| 1 | 10+ | 14× | 20+ | |||
| 6+ | 11+ | |||||
| 175× | 10+ | 6× | ||||
| 252× | 4× | 12× | 7 | |||
| 13+ | 4 | 10+ | ||||
| 12× | 12+ | 20× | ||||
| 2 | 21× |