Magically different
The magic square shown is different. When complete, it contains all the numbers 1 to 36, and any six of them (no two in the same row or in the same column) add up to the same total.
What are the numbers behind the letters ENIGMA?
WIN £15 will be awarded to the sender of the first correct answer opened on Wednesday 31 August. The Editor’s decision is final. Please send entries to Enigma 1657, New Scientist, Lacon House, 84 Theobald’s Road, London WC1X 8NS, or to enigma@newscientist.com (please include your postal address).
Answer to 1651 Four-digit numbers: 6903 and 4913
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The winner John Williams of Wokingham, Berkshire, UK
