# This is a description of a graph written in 
# the "DOT" language which is part of the "graphviz" application.
# See www.graphviz.org for its details.
#
# To produce a .png image of this graph from the command line :
#
#   $ /usr/bin/dot -Tpng < example_one.dot > example_one.png
#

graph Example_One {

      /* ** connectivity  ** */
      alpha	-- {beta gamma delta};
      beta	-- {epsilon zeta};
      gamma	-- {epsilon theta iota};
      delta	-- iota;
      theta     -- lambda;
      zeta      -- lambda;
      iota      -- nu;

      /* ** properties ** */
      {rank=same; zeta epsilon theta iota};
      alpha [style="filled" fillcolor="#e0e0e0"];

}