Solved by joshuacha

#	Title	# Solved	Avg. Tries
20651	Daisy Chains	528	1.78
25083	새싹 STANDARD	74,545	1.88
26975	Cow College	523	2.25
27866	문자와 문자열 STANDARD	59,368	1.48
28278	스택 2	13,734	2.70
31403	$A + B - C$	11,199	1.59
31559	Cannonball	125	3.11

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