<!DOCTYPE html> <html> <head> <title>Page Title</title> </head> <body> <h1>This is a level 1 heading</h1> <h2>This is a level 2 heading</h2> <h3>This is a level 3 heading</h3> <h4>This is a level 4 heading</h4> <h5>This is a level 5 heading</h5> <h6>This is a level 6 heading</h6> </body> </html>
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