The black group is in danger, but can be made safe in an instant.
Author Ror Created 2009-12-27
Difficulty 29 kyu (history) Source N/A
AVG solve time 16 sec Stars 3.47  (36 votes)
User attempts 13862 / 16480 Collections N/A
Genre tesuji Your attempts N/A
Similar problems
Created 2009-12-27
Source N/A
Stars 3.47  (36 votes)
Collections N/A
Your attempts N/A