Solved by xiaowuc1

#	Title	# Solved	Avg. Tries
6582	Artificial Intelligence?	25	1.60
6584	The Settlers of Catan	23	1.70
6585	Team Queue	15	2.20
6586	Error Correction	26	1.35
6587	France '98	19	1.68
6588	Goldbach's Conjecture	12,473	4.56
6589	Heavy Cargo	50	1.94
6590	Addition Chains	53	2.19
6591	Binomial Showdown	1,604	3.74
6592	Compromise	11	4.18
6593	Dungeon Master	7,693	2.56
6594	Equation Solver	41	2.44
6595	Frogger	48	3.10
6596	Globetrotter	9	1.22
6597	Tree Recovery	410	1.89
6598	Arbitrage	33	2.21
6599	The Tower of Babylon	52	1.83
6600	The Circumference of the Circle	299	1.77
6601	Knight Moves	117	1.54
6602	Eeny Meeny Moo	21	1.57
6603	Lotto	26,139	1.80
6604	Matrix Chain Multiplication	99	1.72
6605	Humble Numbers	64	3.02
6606	Charlie the Cockchafer	5	1.00
6607	Gregory the Grasshopper	36	2.31
6609	Mosquito Multiplication	510	1.92
6610	Rhinoceros Beetle	1	1.00
6611	Simon the Spider	9	2.22
6612	Andrew the Ant	82	1.85
6613	Software Bugs	46	4.57
6614	Analog Clock Display	19	3.11
6615	Collatz Conjecture	234	3.16
6616	Text Encryption	205	2.77
6618	Invasion	8	2.50
6619	Intergalactic Mortgage	25	5.40
6621	Ambiguous Result	10	1.20
6622	Domino tiling	13	2.15
6623	Arbitrage?	6	1.83
6626	Measuring Problem Difficulty	11	1.45
6627	The Easiest Problem is This One	94	1.06
6631	God Save the i-th Queen	12	2.33
6632	Arable Area	9	5.22
6633	Clock Captcha	13	1.92
6634	Digital Display	62	2.53
6635	Intriguing Identifiers	20	1.70
6636	Letter Lies	7	1.43
6638	Peculiar Primes	12	1.25
6640	Suspicious Stocks	29	1.52
6641	Alea iacta est	2	1.50
6642	On-Line Banking	31	3.35

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