l links</div>
              <a class="dropdown-item" href="http://moveit.ros.org">MoveIt</a>
              <a class="dropdown-item" href="http://plannerarena.org">Planner Arena</a>
              <a class="dropdown-item" href="https://moveit.ros.org//moveit!/ros/2013/05/07/icra-motion-planning-tutorial.html">ICRA 2013 Tutorial</a>
              <a class="dropdown-item" href="http://kavrakilab.org/iros2011/">IROS 2011 Tutorial</a>
            </div>
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