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Test Info:

<html>
<head>
<style>
* { column-count: 17 }
</style>
<script>
try { o1 = document.createElement('p') } catch(e) { }
try { o2 = document.createElement('iframe') } catch(e) { }
try { o3 = document.createElement('details') } catch(e) { }
try { o4 = document.createElement('track') } catch(e) { }
try { document.documentElement.appendChild(o1) } catch(e) { }
try { document.documentElement.appendChild(o2) } catch(e) { }
try { o1.appendChild(o3) } catch(e) { }
try { o2.contentWindow.location.reload() } catch(e) { }
try { o3.appendChild(o4) } catch(e) { }
</script>
</head>
</html>