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<?xml version="1.0" encoding="UTF-8"?>
<system>
<all>
<description>Simple circular orbit</description>
<step>1</step>
</all>
<body>
<type>star</type>
<mass>1</mass>
<color>orange</color>
</body>
<body>
<type>planet</type>
<color>lightgray</color>
<pX>1</pX>
<vY>1</vY>
</body>
</system>
