Problems from Northeast North America Regional 2013

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
DVDs	0.04	78	1720	1454	85%	2.8Medium	en
Palindromes in crosswords	0.15	1947	66	38	58%	7.6Hard	en
Pegs	0.05	2516	31	14	45%	9.1Hard	en
Pipes	0.00	1371	56	20	36%	9.1Hard	en
Robot in a Maze	0.27	705	203	163	80%	5.8Hard	en
WordSpin	0.06	96	188	149	79%	5.2Medium	en