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Only one basic solution (Posted on 20140702) 

A,B & C are 7digit numbers, each being a permutation of 1234567.
If written in three rows, one below the other, the resulting columnwise sums (i.e a_{i}+b_{i}+c_{i}) will be square numbers.
Given A=2461357, find B and C.
Rem: Since B and C are interchangeable  there will be only one basic solution.

Submitted by Ady TZIDON

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Solution:

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A = 2461357
B = 3217654
C = 4321765

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