HTTP/1.1 413 Payload Too Large
Content-Type: text/html
Content-Length: 239
Server: bozohttpd/20180824
Allow: GET, HEAD, POST

<html><head><title>413 Payload Too Large</title></head>
<body><h1>413 Payload Too Large</h1>
/: <pre>Use smaller requests</pre>
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</body></html>