Sentence examples for this puzzle was adapted from inspiring English sources

This puzzle was adapted from one in Which Way Did The Bicycle Go? by Joseph Konhauser, Dan Velleman and Stan Wagon.

This piece was adapted from City Journal.

This procedure was adapted from [27].

This puzzle was a long time in the making.

This puzzle was a very pleasant end-of-week surprise.

This puzzle was originally proposed by William Newcomb but never published.

This puzzle is the result.

This puzzle is a pangram.

But this puzzle is making waves.

I think this puzzle is simply brilliant.

I think this puzzle is well worth it.