<?xml version="1.0"?>

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100">
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  <rect x="10" y="10" width="50" height="50"
    stroke="black" stroke-width="3" fill="yellow"/>
  <rect x="40" y="40" width="50" height="50"
    stroke="black" stroke-width="3" fill="lime"/>
</svg>

