Incorporating a Begriddled puzzle in your printed advertising will increase the average time a prospective customer will have that advert in front of their eyes as they ponder the puzzle, even if they don’t attempt to solve it.

And if they follow the address to the solution, you can show them even more, as well as learning how many times the address was used.

I can do far more involved puzzles than this (see my books), but the solution to this simple puzzle is: