digraph CFG {
  node [fontname="Helvetica"];
  n390 [label="1", shape=box];
  n390 -> n391;
  n391 [label="0", shape=box];
  n391 -> n392;
  n392 [label="1 >= 0", shape=box];
  n392 -> n393;
  n393 [label="<?>", shape=diamond];
  n393 -> n397 [label="T"];
  n397 [label="1", shape=box];
  n393 -> n398 [label="F"];
  n398 [label="0", shape=box];
}