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Test Info:

<!DOCTYPE html>
<html>
<head>
<style>
body {
columns: 2;
-webkit-columns: 2;
}
span {
float: right;
}
</style>
</head>
<body>
<div>
a
<span>1</span>
</div>
<div>
<div>
b
<span>2</span>
<div></div>
</div>
</div>
</body>
</html>