This problem is from Nakayama, i found it on Sensei's library, Thank You
Author Stub Horn Created 2010-12-28
Difficulty 16 kyu (history) Source Sensei's Library
AVG solve time 98 sec Stars 4.29  (80 votes)
User attempts 2224 / 5379 Collections Fun, Ladder
Genre tesuji Your attempts N/A
Similar problems
Created 2010-12-28
Source Sensei's Library
Stars 4.29  (80 votes)
Collections Fun, Ladder
Your attempts N/A