PRIZE PUZZLE FOR APRIL 2008

SQUARES WITHIN SQUARES

The square shown above is of size 13x13 units and contains 12 other squares that completely cover the area. The puzzle this month is to construct a similar square, 13 x 13 units and fill it completely with just 11 smaller squares.

Answer
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Answer

Here is one possible answer, sent in by Richard Birkhill, John Stafford and Colin Rowe. Whether there are other ways is not known but I suspect not. I received answers from the three members mentioned above and Richard Birkhill was the lucky one who received the £5 book token. Well done all three.