<img src="planets.gif" width="145" height="126" alt="Planets" usemap="#mapa"> 
<map name="mapa"> 
  <area shape="rect" coords="0,0,82,126" href="sun.htm" alt="Sun">
  <area shape="circle" coords="90,58,3" href="mercur.htm" alt="Mercury"> 
  <area shape="circle" coords="124,58,8" href="venus.htm" alt="Venus"> 
</map>

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