<?xml version=“1.0” standalone=“yes”?> <svg width=“4in” height=“3in”

xmlns = 'http://www.w3.org/Graphics/SVG/svg-19990412.dtd'>
 <defs>
   <textflow id="TF1">
     <t href="#T1"/>
     <t href="#T3"/>
   </textflow>
   <textflow id="TF2">
     <t href="#T2"/>
     <t href="#T4"/>
   </textflow>
 </defs>
 <text x="100" y="100" id="T1"><tf href="#TF1">123</tf></text>
 <text x="100" y="200" id="T2"><tf href="#TF2">ABC</tf></text>
 <text x="150" y="100" id="T3"><tf href="#TF1">456</tf></text>
 <text x="150" y="200" id="T4"><tf href="#TF2">DEF</tf></text></svg>