Solved by lambda

#	Title	# Solved	Avg. Tries
31713	Good Luck Have Fun	244	2.14
31714	Reserved Seat 1	219	1.71
31715	Reserved Seat 2	63	2.49
31717	Hyundai Mobis Autonomous Driving Testing 2	41	3.27
31718	Double Up	237	1.57
31721	Course Registration	44	3.95

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