Square of Small Repunit is Palindromic/Mistake

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Source Work

1986: David Wells: Curious and Interesting Numbers:

The Dictionary
$1,111,111,111,111,111,111$


Mistake in First Edition

The squares of repunits make a pretty pattern:
For example: ... $1111111111111^2 = 12345678900987654321$


Mistake in Second Edition

The squares of repunits make a pretty pattern:
For example: ... $1,111,111,111^2 = 12,345,678,900,987,654,321$