Problems from Northeast North America Regional 2013

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
DVDs	0.03	78	1737	1473	85%	2.7Easy	en
Palindromes in crosswords	0.04	1947	67	38	57%	7.7Hard	en
Pegs	0.04	2516	31	14	45%	9.1Hard	en
Pipes	0.00	1371	56	21	38%	9.0Hard	en
Robot in a Maze	0.27	705	207	167	81%	5.6Hard	en
WordSpin	0.06	96	215	166	77%	5.3Medium	en