Solved by jong_hyu

#	Title	# Solved	Avg. Tries
2309	일곱 난쟁이	48,034	2.40
2557	Hello World STANDARD	360,193	2.54
6236	Monthly Expense	4,809	3.44
11399	ATM	70,206	1.44
12927	배수 스위치	974	1.38

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