<Circles xmlns="http://schemas.openxmlformats.org/Circles/v1" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:v2="http://schemas.openxmlformats.org/Circles/v2">
  
  
   <Circle Center="13,0" Radius="20" Color="Yellow"/>
   <Circle Center="38,0" Radius="20" Color="Green"/>
  
</Circles>