<?xml version="1.0" encoding="utf-8"?>
<diagram>
  <row>
    <col start="0" end="31" width=".25">atom length</col>
    <col start="32" end="63" width=".25">atom type</col>
    <col start="64" width=".50" style="dashed">atom data</col>
  </row>
</diagram>
