Pictured Puzzles and Word Play / A Companion to the Twentieth Century Standard Puzzle Book - A. Cyril Pearson

Here are the cells in the diagram of our Numbers Patience, so filled in that each of the rows across from side to side adds up exactly to 143.

Each cell contains, in accordance with the conditions, a different number.

This is the division of a square into fifteen parts, which will form the windmill:—

This puzzle may, of course, be reversed, the parts of the square being given, and the solver asked to form with them a symmetrical windmill.