<?xml version="1.0"?>
<sdf version="1.7">
  <world name="default">
    <frame name="F_I">
      <pose>5 0 5 0 0 0</pose>
    </frame>
    <include>
      <name>M1</name>
      <pose relative_to="F_I"/>
      <static>false</static>
      <uri>model://number1</uri>
    </include>
    <include>
      <name>M2</name>
      <static>false</static>
      <pose relative_to="M1">0 1 0 0 0 0</pose>
      <uri>model://number1</uri>
    </include>
  </world>
</sdf>
