Problems by Grzegorz Herman

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Mountainous Landscape	0.41	964	38	19	50%	8.7Hard	en
Pork Barrel	0.94	1660	33	22	67%	7.2Hard	en
Subway	0.42	1800	35	18	51%	8.0Hard	en