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Find a nine digit palindrome when squared, produces a seventeen digit
palindrome.

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111111111 x 111111111 =12345678987654321

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Anyone have another nine digit number?

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Any 9-digit palindrome made up of 1s and 0s
100020001^2 = 10004000600040001
200000002^2 = 40000000800000004
200010002^2 = 40004000900040004

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