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+digraph G {

+  rankdir=LR

+  node [shape=plaintext]

+  a [

+     label=<

+<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">

+  <TR><TD ROWSPAN="3" BGCOLOR="yellow">class</TD></TR>

+  <TR><TD PORT="here" BGCOLOR="lightblue">qualifier</TD></TR>

+</TABLE>>

+  ]

+    b [shape=ellipse style=filled

+  label=<

+<TABLE BGCOLOR="bisque">

+  <TR><TD COLSPAN="3">elephant</TD> 

+      <TD ROWSPAN="2" BGCOLOR="chartreuse" 

+          VALIGN="bottom" ALIGN="right">two</TD> </TR>

+  <TR><TD COLSPAN="2" ROWSPAN="2">

+        <TABLE BGCOLOR="grey">

+          <TR> <TD>corn</TD> </TR> 

+          <TR> <TD BGCOLOR="yellow">c</TD> </TR> 

+          <TR> <TD>f</TD> </TR> 

+        </TABLE> </TD>

+      <TD BGCOLOR="white">penguin</TD> 

+  </TR> 

+  <TR> <TD COLSPAN="2" BORDER="4" ALIGN="right" PORT="there">4</TD> </TR>

+</TABLE>>

+  ]

+  c [ 

+  label=<long line 1<BR/>line 2<BR ALIGN="LEFT"/>line 3<BR ALIGN="RIGHT"/>>

+  ]

+

+  subgraph { rank=same b c }

+  a:here -> b:there [dir=both, arrowtail = diamond]

+  c -> b

+  d [shape=triangle]

+  d -> c [label=<

+<TABLE>

+  <TR><TD BGCOLOR="red" WIDTH="10"> </TD>

+      <TD>Edge labels<BR/>also</TD>

+      <TD BGCOLOR="blue" WIDTH="10"> </TD>

+  </TR>

+</TABLE>>

+  ]

+ 

+}

+