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<svg> <script type="text/ecmascript" xlink:href="http://leunen.me/fakesmile/smil.user.js"/> <circle cx="60" cy="60" r="20" style="fill: pink; stroke: red;" > <animate attributeName="r" dur="4s" values="20; 0; 20" repeatCount="indefinite"/> </circle> </svg>

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