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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
</head>
<body>
<div style="width: 256px; height: 256px; background-color: black"></div>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
</head>
<body>
<div style="width: 256px; height: 256px; background-color: black"></div>
</body>
</html>