Solved by 500555

#	Title	# Solved	Avg. Tries
17548	Greetings!	994	1.16
18870	좌표 압축	36,950	2.50
19235	모노미노도미노	753	4.88
20061	모노미노도미노 2	2,470	2.78
20353	Atrium	1,485	1.18
22986	Flat Earth	275	2.52
25304	영수증	82,070	1.80

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