*[[Problem 1966 - quartet>http://herbert.tealang.info/problem.php?id=1966]] [#t0457601] [[prev>Problem 1965]] | [[next>Problem 1967]] #get_img(1966) #br |Author|Limit|h |mas|30| #br **関連 [#p5645dcb] #br **コメント [#w5fa4247] #pcomment(reply)