This was an interesting puzzle, one he felt bound to solve.

And we've got enough interesting puzzles to solve here even without intelligence being involved.

If nothing else, this was going to be an interesting puzzle.

It is easily one of the best adventure games ever made, with beautiful graphics, a compelling story and interesting puzzles.

Besides, there was a far more interesting puzzle here.

Then, from 2 to 3, they'll discuss the day's most interesting puzzles.

And with a really interesting puzzle that might turn out to be nothing, but certainly could not be ignored.

It's an interesting little puzzle when you think about it like that.

It's going to be an interesting puzzle to solve.

"It's a frustrating and an interesting puzzle," he said.