PUZZLET 010

Pandigitals Made from Squares

Break a 9-digit pandigital into 3 groups of perfect squares. Reminder: a 9-digit pandigital is an integer which uses each of the digits 1 to 9 inclusive once and once only. Find all possible solutions.

Example solution: 257841369 is a 9-digit pandigital which can be broken up into the three groups 25, 784, 1369, equal to 5², 28², 37².

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Last Updated: January 7th, 2010.