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Enigma Number 1591

By Bob Walker

14 April 2010

Pseudo coup

All Penny had to do this week was fill in the missing numbers so that each row, each column and each three-by-three square all had each of the numbers 1 to 9. In printing out the puzzle Joe had interchanged some of the three-by-three squares. Penny worked out which and filled in all the missing numbers. What number did Penny place in the small shaded square?

WIN £15 will be awarded to the sender of the first correct answer opened on Wednesday 19 May. The Editor’s decision is final. Please send entries to Enigma 1591, Âé¶¹´«Ã½,…

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