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Test Info:

<!DOCTYPE html>
<div style="columns:3; column-fill:auto; line-height:20px; height:20px;">
<div style="break-after:column;"></div>
<div style="position:absolute;"></div>
<div style="position:relative; height:20px;">
<div>x</div>
<div style="position:absolute; height:20px;"></div>
</div>
</div>