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@Data=<DATA>; foreach $line(@Data) ... <h3>Heading Level 3 <h2>Heading Level 2 <h1>Heading Level 1
<table><tr><td>Heading Level 1</td></tr> <table><tr><td>Heading Level 2</td></tr> ... </table> <tr><td>Heading Level 1</td></tr> </table>