Solved by qkreodnjs97

#	Title	# Solved	Avg. Tries
30427	Reveals	104	4.24
30446	Palindrome Numbers	288	2.99
30923	크냑과 3D 프린터	375	1.70
31395	Number of Sorted Contiguous Subsequences	556	2.05
31399	Aris, Clean Up! (Hard)	52	4.54
31403	$A + B - C$	10,337	1.58
31404	Aris, Clean Up! (Easy)	328	4.55
32873	나연 정렬	66	1.98
33049	마작에서 가장 어려운 것	205	2.40

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