echo "$ dot -Tpng < example_one.dot > example_one.png"
dot -Tpng < example_one.dot > example_one.png

echo "$ gcc -march=athlon64 -O2    search_graph.c   -o search_graph"
gcc -march=athlon64 -O2    search_graph.c   -o search_graph

echo "$ ./search_graph > search_graph.out"
./search_graph > search_graph.out

echo "$ cat search_graph.out"
cat search_graph.out