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The black group is in danger, but can be made safe in an instant.
| Author |
Ror
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| Difficulty | 29 kyu (history) | ||
| AVG solve time | 16 sec | ||
| User attempts | 14104 / 16755 | ||
| Genre | tesuji ⓒ | ||
| Similar problems | |||
| Created | 2009-12-27 | ||
| Source | |||
| Stars | 3.51 (39 votes) | ||
| Collections | |||
| Your attempts | N/A | ||