<?xml version="1.0"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" 
         "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg xmlns="http://www.w3.org/2000/svg">
   <g style="fill-opacity:0.7; stroke:black; stroke-width:0.1cm;">
     <circle cx="6cm" cy="2cm" r="100" style="fill:red;" 
                     transform="translate(0,50)" />
     <circle cx="6cm" cy="2cm" r="100" style="fill:blue;"  
                     transform="translate(70,150)" />
     <circle cx="6cm" cy="2cm" r="100" style="fill:green;" 
                     transform="translate(-70,150)"/> 
   </g>
 </svg>

