Solved by opera_tive

#	Title	# Solved	Avg. Tries
6502	Alfredo's Pizza Restaurant	1,839	1.93
6503	Broken Keyboard	280	3.00
6504	Convert Kilometers to Miles	259	1.37
6508	A Game with Marbles	89	1.42
6511	Black and white painting	58	1.71
6512	Cylinder	6	1.00
6516	Grocery store	20	3.30
6526	Ambiguous permutations	57	1.14
6537	In Danger	29	1.48
6538	Run Length Encoding	30	5.80
6542	Assistance Required	29	2.69
6545	Drink, on Ice	28	1.75
6546	Edge	44	2.00
6549	Largest Rectangle in a Histogram	11,076	3.63
6550	All in All	2,403	2.54
6553	Diplomatic License	40	1.70
6556	Paths on a Grid	47	3.98
6558	Average is not Fast Enough!	44	2.20
6562	Etaoin Shrdlu	20	1.60
6565	Hard to Believe, but True!	166	1.37
6571	How many Fibs?	666	3.51
6584	The Settlers of Catan	23	1.70
6588	Goldbach's Conjecture	12,445	4.57
6589	Heavy Cargo	49	1.96
6591	Binomial Showdown	1,604	3.74
6593	Dungeon Master	7,662	2.56
6599	The Tower of Babylon	51	1.82
6600	The Circumference of the Circle	299	1.77
6601	Knight Moves	115	1.54
6602	Eeny Meeny Moo	21	1.57
6603	Lotto	26,077	1.80
6609	Mosquito Multiplication	510	1.92
6619	Intergalactic Mortgage	25	5.40
6627	The Easiest Problem is This One	94	1.06
6634	Digital Display	62	2.53
6642	On-Line Banking	30	3.30
6645	Stock Exchange	55	1.22
6651	Calendar of Events	7	1.71
6663	Emag eht htiw Em Pleh	20	1.25
6679	Specialized Four-Digit Numbers	2,938	1.37
6683	Paper Cutting	14	1.14
6693	Complicated Route	59	1.73
6696	Too Much Water	156	1.38
6700	Sylvester construction	21	1.43
6709	Jackpot	48	2.60
6721	Backward numbers	364	1.29
6736	The Idiot of the Year Contest!	104	1.48
6749	Next in line STANDARD	7,866	1.14
6750	Rotating letters	469	1.21
6751	From 1987 to 2013	252	1.29

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