At this page you'll find the smallest (ca 80) solutions of the tough perfect-square puzzle. De rules are:

• The puzzle surface is a rectangle (the larger the tougher)
• The pieces are square and always smaller than the short edge
• We only work with concrete sizes e.g. centimeters, inches or use square paper
• Choose freely which squares you use, as long as they are all different
• The rectangle needs to be tiled completely, and pieces may never overlap

A solution is original or 'primarily' when it's not a multiple of a smaller one and it's not a construction of other perfect rectangles or squares.

All following solutions are found using backtracking algorithm in Borland Delphi 6 Personal. They are ordered by length.
The prime puzzles & problems connection - geometrical dissection
University of Waterloo - Squaring the Square

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