<html xmlns="http://www.w3.org/1999/xhtml">
<body>
  <div style="position: absolute; top: 10px; left: 10px; width: 400px; height: 400px;">
    <svg xmlns="http://www.w3.org/2000/svg" id="svg1" viewBox="0 0 400 400">
        <svg id="svg2" viewBox="5 5 20 20">
           <g id="group" transform="translate(10, 10)">
             <svg id="svg3" viewBox="5 5 20 20"></svg>
           </g>
        </svg>
    </svg>
  </div>
  <div id="log"></div>
  <script src="resources/svgsvgelement-ctm.js"></script>
</body>
</html>