This page contains several frames.

And a red square:

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Content-Type: image/png
Content-Transfer-Encoding: binary
Content-Location: http://localhost/resources/red_square.png

‰PNG

IHDR;0®¢sRGB®ÎégAMA± üa pHYsÄÄ•+„IDATHKí–1€0EÁØ±“£ŽžÁxÿÍx= {ÿ.¥óÏé+ià{Y‚Ž‰©—Ò† &¬M0TäHÕ^&aOª†Š¼©ÚË$ìIÕP‘W ?Õ|MsØêC¢d¦4ÔÚ¼Gî\ã¾½`#9ÎÁ_ƒØßpå½>&Ø“ª¡"¯ÀXBéÜûwWIEND®B`‚------=_NextPart_000_8D20_8CDAF17B.8E5ECA45
Content-Type: text/html
Content-Transfer-Encoding: binary
Content-Location: http://localhost/resources/frame_0.html

The first frame!

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Content-Type: text/html
Content-Transfer-Encoding: binary
Content-Location: http://localhost/resources/frame_1.html

The second frame!

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Content-Type: text/html
Content-Transfer-Encoding: binary
Content-Location: http://localhost/resources/frame_2.html

The third frame!

This one contains yet another frame. What a twist!

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Content-Type: text/html
Content-Transfer-Encoding: binary
Content-Location: http://localhost/resources/frame_4.html

This is frame 4!

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