Solve the Loculus of Archimedes
Solve the Loculus of Archimedes by forming a square from the given pieces. To rotate a piece, click in its curved arrow and drag in a rotational motion about the shown point. To translate a piece, click on the arrowhead and drag. To reflect, click a vertex.
This puzzle was analyzed by Archimedes; there are 536 distinct solutions.
Ed Pegg Jr, The Loculus of Archimedes, Nov 17, 2003.