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<!DOCTYPE html>
<title>Variable reference without whitespace - reference</title>
<p>The next four lines must be identical, containing only zeroes:
<p>0 0 0
<p>0 0 0
<p>0 0 0
<p>0 0 0
<p>The next four lines must be identical, containing increasing integers:
<p>1 2 3
<p>1 2 3
<p>1 2 3
<p>1 2 3