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<!doctype html>
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<html>
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<body style="-webkit-writing-mode:vertical-lr">
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<div style="width:100px;background-color:green"></div>
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<div style="height:100px;margin-left:100px;margin-right:100px"></div>
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<div style="width:100px;background-color:green"></div>
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</body>
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</html>
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