Solved by drill

#	Title	# Solved	Avg. Tries
1026	보물	38,109	1.43
1010	다리 놓기	41,956	2.09
1008	A/B STANDARD	221,167	2.90
1001	A-B STANDARD	268,652	1.44
1000	A+B STANDARD	312,980	2.58

1234