This puzzle is the challenge used by Will Shortz this week on the NPR Weekend Edition Puzzle. Here it is, narrated — it’s the last bit of the segment:
I suggested it to the show a few weeks ago — of course Shortz knew the answer already, but decided to use it.
I’ve been collecting these for years. I have a few more, also.
(N.B. the palm tree photo has nothing to do with it. I just like palm trees.)