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chromium/chrome/test/data/navigation_predictor/anchors_large.html 

<html>
  <head>
  </head>
  <body>
    <a id="xlarge1" href="/2.html"><img height="6" width="5"></a>
    <a id="xlarge2" href="https://google.com"><img height="6" width="5"></a>
    <a id="xlarge3" href="/1.html"><img height="6" width="5"></a>
    <a id="xlarge4" href="/3.html"><img height="6" width="5"></a>
    <a id="xlarge5" href="https://dummy.com"><img height="6" width="1"></a>
  </body>
</html>