Problems by Jan Elffers

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Black Friday	6119	2387	39%	0.00	2372	2074	87%	2.1
Hay Bales	278	90	32%	0.00	110	77	70%	5.3
Mario	109	29	27%	0.04	27	23	85%	6.1
Racetrack	178	59	33%	0.02	52	30	58%	7.5