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Spambots are nasty, evil things that have forced me several times to
disable commenting on my blog. This gatekeeper script is here to at
least reduce the incidence of this plague by exploiting the
knowledge that spambots don't actually know how to read. Thanks are
due to matt for his help with this.
To post a comment, please enter values into the two boxes below,
such that X is a whole number greater than 2, and Y is the square of
X.
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