Solved by xiaowuc1

#	Title	# Solved	Avg. Tries
6700	Sylvester construction	20	1.45
6699	S-Nim	27	1.26
6698	Ball bearings	10	1.30
6697	Pizza delivery	8	1.25
6696	Too Much Water	152	1.39
6695	Mysterious Villa	2	1.00
6694	The Perfect Symmetry	14	2.71
6693	Complicated Route	55	1.67
6691	Hole Cutter	4	3.25
6690	Formatting Text	5	1.40
6688	The Die Is Cast	5	2.20
6683	Paper Cutting	11	1.18
6682	Base Numbers	5	1.80
6681	Truck History	5	2.80
6680	Building a New Depot	9	1.11
6679	Specialized Four-Digit Numbers	2,869	1.37
6678	Bridge Hands	10	2.70
6676	Inglish-Number Translator	17	4.24
6674	God of the Vile Baskers	2	2.50
6673	Firepersons	9	3.44
6672	Electricity	103	2.90
6671	Death to Binary?	6	3.00
6666	Help Me with the Game	24	1.21
6664	Failing Roads	7	1.86
6663	Emag eht htiw Em Pleh	19	1.26
6662	Divisors	47	2.81
6659	All Friends	2	5.00
6658	Hypertheseus	5	1.40
6657	Soccer Tournament	4	3.25
6654	Corporate Identity	6	2.33
6652	Roman Expressions	14	2.43
6651	Calendar of Events	7	1.71
6649	Tree Insertions	4	1.25
6648	Government Help	10	1.40
6647	Safe Gambling	15	1.73
6646	Wooden Fence	13	1.62
6645	Stock Exchange	53	1.23
6644	Careful Declaration	8	5.63
6642	On-Line Banking	30	3.30
6641	Alea iacta est	2	1.50
6640	Suspicious Stocks	28	1.54
6638	Peculiar Primes	11	1.27
6636	Letter Lies	7	1.29
6635	Intriguing Identifiers	18	1.67
6634	Digital Display	60	2.52
6633	Clock Captcha	13	1.92
6632	Arable Area	9	5.22
6631	God Save the i-th Queen	12	2.33
6627	The Easiest Problem is This One	88	1.05
6626	Measuring Problem Difficulty	11	1.45

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