This is not a really difficult problem, but it stumped a group of people (including Dan players) for quite a while... :-)
Author unkx80 Created 2001-09-22
Difficulty 10 kyu (history) Source N/A
AVG solve time 54 sec Stars 4.53  (17 votes)
User attempts 2116 / 7434 Collections N/A
Genre life and death Your attempts N/A
Similar problems
Created 2001-09-22
Source N/A
Stars 4.53  (17 votes)
Collections N/A
Your attempts N/A