Solved by nullchilly

#	Title	# Solved	Avg. Tries
30528	Prof. Fumblemore and the Collatz Conjecture	20	1.95
30529	Double Up	19	1.63
30530	Forest for the Trees	8	2.63
30532	ISBN Conversion	18	2.50
30534	Split Decisions	10	1.90
31597	Duplicates	43	2.14
31598	Forming Groups	39	2.51
31600	Pho Restaurant	48	1.73
31602	There and Back Again	45	1.87
33310	Minimal Coprime	49	1.08
33311	Subsequence Update	36	1.11
33312	Remove Exactly Two	34	1.18
33313	Game With Triangles	26	1.27
33314	Triangle Tree	12	1.00
33315	Counting Is Not Fun (Easy Version)	13	1.08

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