번호	제목
6715	Moving Pianos
6716	Collecting Beepers
6717	Quantum
6718	Goldbach’s conjecture
6719	Downpayment
6720	Simplified λ-evaluations
6721	Backward numbers
6722	Christmas presents
6723	Tournament ranking
6724	Directed mazes
6725	Connecting islands
6726	A language for constants
6727	Bridge placements
6728	Request for permission
6729	Traffic planning
6730	A model railroad
6731	Comment removal
6732	R.Ø.L.P.
6733	A fair jury
6734	Radio direction finder