Basic problem, something for beginners. If you solve this you are at least 21 kyu :)
Author Field Mouse Created 2008-03-19
Difficulty 29 kyu (history) Source N/A
AVG solve time 18 sec Stars 3.25  (24 votes)
User attempts 16243 / 20761 Collections N/A
Genre life and death Your attempts N/A
Similar problems
Created 2008-03-19
Source N/A
Stars 3.25  (24 votes)
Collections N/A
Your attempts N/A