data.xml Example File

 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <subattaq>
     <submarines>
         <submarine type="0" points="10" name="Q1" />
         <submarine type="1" points="20" name="Q2" />
     </submarines>
     <levels>
         <level id="0" name="Seaman recruit">
             <subinstance type="0" nb="1"/>
         </level>
         <level id="1" name="Seaman apprentice">
             <subinstance type="0" nb="2"/>
         </level>
         <level id="2" name="Seaman">
             <subinstance type="0" nb="4"/>
         </level>
         <level id="3" name="Petty Officer Third Class">
             <subinstance type="0" nb="6"/>
         </level>
         <level id="4" name="Petty Officer Second Class">
             <subinstance type="0" nb="6"/>
         </level>
         <level id="5" name="Petty Officer First Class">
             <subinstance type="0" nb="8"/>
         </level>
         <level id="6" name="Lieutenant">
             <subinstance type="0" nb="10"/>
         </level>
         <level id="7" name="Commander">
             <subinstance type="0" nb="15"/>
         </level>
         <level id="8" name="Captain">
             <subinstance type="0" nb="12"/>
         </level>
         <level id="9" name="Admiral">
             <subinstance type="0" nb="12"/>
         </level>
     </levels>
 </subattaq>