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Enigma Number 1712

By Richard England

22 August 2012

Each digit twice

Find the set of perfect squares that between them use each of the digits 0 to 9 exactly twice and whose sum is as small as possible. Your squares must all be different, and 0 may not be a leading digit.

What is the sum of your set of squares?

WIN £15 will be awarded to the sender of the first correct answer opened on Wednesday 26 September. The Editor’s decision is final. Please send entries to Enigma 1712, Âé¶¹´«Ã½, Lacon House, 84 Theobald’s Road, London WC1X 8NS, or to enigma@newscientist.com (please include your postal address).

Answer to 1706 Festival figures: My three numbers are 487, 503 and 961

The winner Laura Marsden of Rotherham, South Yorkshire, UK

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