<?xml version="1.0" standalone="yes"?>
<svg xmlns="http://www.w3.org/Graphics/SVG/svg-19990412.dtd" width="4in" height="3in">
<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>