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The Squared Square |
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Because there is much other online information on this
topic, I have elected to share only a couple of examples. |
"Squaring the square" with areas of unique sizes was long
considered to be impossible. In 1939, however, R.P. Sprague
of Germany published a 55-square solution. A major
'improvement' upon that discovery was this 26-square layout,
first published by W.P. Tutte of Canada in 1940:
Subsequently, it has been shown that the lowest-order possible solution
is 21 squares. The matrix shown below, believed to be unique,
was discovered in 1978 by W.A. Duijvestijn of The Netherlands:
