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+<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
+<link rel="stylesheet" href="style.css" type="text/css"/>
+<script src="code.js" type="text/javascript"></script>
+
+<h1>Creating an overlay disk</h1>
+
+<img src="2000-overlay-disk.svg" height="800"/>