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\begin{alltt}
STk> (begin (map (lambda (x) (dfs-result x)) und-graphs) #f){\em{
\{[ 1 2 3 4 5 6 7 ]\{ \{ 1 2 \}\{ 1 3 \}\{ 1 4 \}\{ 1 5 \}\{ 1 6 \}\{ 1 7 \}\}\}
\(<\) 1 2 3 4 5 6 7 \(>\)

\{[ 1 2 3 4 5 6 7 ]\{ \{ 1 2 \}\{ 1 3 \}\{ 1 4 \}\{ 1 5 \}\{ 1 6 \}\{ 1 7 \}\{ 2 3 \}\{ 2 7 \}\{ 3 4 \}\{ 4 5 \}
\{ 5 6 \}
\{ 6 7 \}\}\}
\(<\) 1 2 3 4 5 6 7 \(>\)

\{[ 1 2 3 4 5 6 ]\{ \{ 1 2 \}\{ 1 3 \}\{ 2 3 \}\{ 3 4 \}\{ 4 5 \}\{ 4 6 \}\{ 5 6 \}\}\}
\(<\) 1 2 3 4 5 6 \(>\)

\{[ 0 1 2 3 4 ]\{ \{ 0 1 \}\{ 0 4 \}\{ 1 2 \}\{ 2 3 \}\{ 3 4 \}\}\}
\(<\) 0 1 2 3 4 \(>\)

\{[ ]\{ \}\}
\(<\) \(>\)

\{[ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ]\{
 \{ 0 1 \}\{ 0 5 \}\{ 1 2 \}\{ 1 6 \}\{ 2 3 \}\{ 2 7 \}\{ 3 4 \}\{ 3 8 \}\{ 4 9 \}\{ 5 6 \}
\{ 5 10 \}\{ 6 7 \}\{ 6 11 \}\{ 7 8 \}\{ 7 12 \}\{ 8 9 \}\{ 8 13 \}\{ 9 14 \}\{ 10 11 \}\{ 10 15 \}
\{ 11 12 \}\{ 11 16 \}\{ 12 13 \}\{ 12 17 \}\{ 13 14 \}\{ 13 18 \}\{ 14 19 \}\{ 15 16 \}\{ 15 20 \}
\{ 16 17 \}\{ 16 21 \}\{ 17 18 \}\{ 17 22 \}\{ 18 19 \}\{ 18 23 \}\{ 19 24 \}\{ 20 21 \}
\{ 21 22 \}
\{ 22 23 \}\{ 23 24 \}\}\}
\(<\) 0 1 2 3 4 9 8 7 6 5 10 11 12 13 14 19 18 17 16 15 20 21 22 23 24 \(>\)

\{[ 1 2 3 4 5 6 7 8 9 10 ]\{ \{ 1 2 \}\{ 1 3 \}\{ 2 3 \}\{ 3 4 \}\{ 4 5 \}\{ 4 6 \}\{ 5 6 \}\}\}
\(<\) 1 2 3 4 5 6 7 8 9 10 \(>\)

\{[ 1 2 3 4 5 6 ]\{ \{ 1 4 \}\{ 1 5 \}\{ 1 6 \}\{ 2 4 \}\{ 2 5 \}\{ 2 6 \}\{ 3 4 \}\{ 3 5 \}\{ 3 6 \}\}\}
\(<\) 1 4 2 5 3 6 \(>\)

\{[ 0 1 2 3 4 ]\{ \{ 0 1 \}\{ 0 2 \}\{ 0 3 \}\{ 0 4 \}\{ 1 2 \}\{ 1 3 \}\{ 1 4 \}\{ 2 3 \}\{ 2 4 \}\{ 3 4 \}\}\}
\(<\) 0 1 2 3 4 \(>\)

\{[ 1 2 3 4 ]\{ \{ 1 2 \}\{ 1 2 \}\{ 1 3 \}\{ 1 3 \}\{ 2 4 \}\{ 3 4 \}\}\}
\(<\) 1 2 4 3 \(>\)

\{[ 1 2 3 4 5 6 7 8 9 10 ]\{ \{ 1 2 \}\{ 1 3 \}\{ 1 6 \}\{ 2 4 \}\{ 2 7 \}\{ 3 5 \}\{ 3 8 \}\{ 4 5 \}\{ 4 9 \}\{ 5 10 \}
\{ 6 9 \}\{ 6 10 \}\{ 7 8 \}\{ 7 10 \}\{ 8 9 \}\}\}
\(<\) 1 2 4 5 3 8 7 10 6 9 \(>\)

\{[ 1 2 3 4 5 6 ]\{ \{ 1 2 \}\{ 1 3 \}\{ 2 3 \}\{ 4 5 \}\{ 4 6 \}\{ 5 6 \}\}\}
\(<\) 1 2 3 4 5 6 \(>\)

\#f} }
\end{alltt}
\begin{alltt}
STk> (begin (map (lambda (x) (dfs-result x)) dir-graphs) #f){\em{
\{[ 1 2 3 4 5 ]\{ \(<\) 1 2 \(>\)\(<\) 2 3 \(>\)\(<\) 3 4 \(>\)\(<\) 4 5 \(>\)\(<\) 5 1 \(>\)\}\}
\(<\) 1 2 3 4 5 \(>\)

\{[ 1 2 3 4 5 6 7 8 ]\{ \(<\) 1 2 \(>\)\(<\) 1 3 \(>\)\(<\) 1 4 \(>\)\(<\) 2 3 \(>\)\(<\) 3 5 \(>\)\(<\) 3 7 \(>\)\(<\) 4 6 \(>\)\(<\) 5 8 \(>\)\(<\) 6 8 \(>\)\(<\) 7 6 \(>\)\}\}
\(<\) 1 2 3 5 8 7 6 4 \(>\)

\{[ 1 2 3 4 5 ]\{ \(<\) 1 2 \(>\)\(<\) 1 3 \(>\)\(<\) 2 3 \(>\)\(<\) 2 4 \(>\)\(<\) 3 4 \(>\)\(<\) 3 5 \(>\)\(<\) 4 1 \(>\)\(<\) 4 5 \(>\)\(<\) 5 1 \(>\)\(<\) 5 2 \(>\)\}\}
\(<\) 1 2 3 4 5 \(>\)

\{[ 1 2 3 4 5 ]\{ \(<\) 1 2 \(>\)\(<\) 1 2 \(>\)\(<\) 1 3 \(>\)\(<\) 1 3 \(>\)\(<\) 1 4 \(>\)\(<\) 3 1 \(>\)\}\}
\(<\) 1 2 3 4 5 \(>\)

\{[ 1 ]\{ \(<\) 1 1 \(>\)\}\}
\(<\) 1 \(>\)

\{[ 1 2 3 4 5 6 7 8 ]\{ \(<\) 1 2 \(>\)\(<\) 1 3 \(>\)\(<\) 1 4 \(>\)\(<\) 1 7 \(>\)\(<\) 2 5 \(>\)\(<\) 2 8 \(>\)\(<\) 3 6 \(>\)\(<\) 3 7 \(>\)\(<\) 4 7 \(>\)\(<\) 5 1 \(>\)\}\}
\(<\) 1 2 5 8 3 6 7 4 \(>\)

\{[ 1 2 3 4 5 6 ]\{ \(<\) 1 2 \(>\)\(<\) 2 3 \(>\)\(<\) 3 1 \(>\)\(<\) 4 2 \(>\)\(<\) 4 6 \(>\)\(<\) 5 4 \(>\)\(<\) 6 5 \(>\)\}\}
\(<\) 1 2 3 4 6 5 \(>\)

\#f} }
\end{alltt}
\begin{alltt}
STk> (begin (map (lambda (x) (dfs-result x)) mixed-graphs) #f){\em{
\{[ 1 2 3 ]\{ \(<\) 1 3 \(>\)\(<\) 2 1 \(>\)\{ 2 3 \}\}\}
\(<\) 1 3 2 \(>\)

\#f} }
\end{alltt}
\begin{alltt}
STk> (begin (map (lambda (x) (dfs-result x)) und-hypergraphs) #f){\em{
\{[ 1 2 3 4 5 6 7 8 9 ]\{ \{ 1 2 3 \}\{ 1 4 \}\{ 2 3 5 \}\{ 4 5 6 \}\{ 7 8 9 \}\}\}
\(<\) 1 3 5 6 4 2 7 9 8 \(>\)

\{[ 1 2 3 4 5 6 ]\{ \{ 1 2 3 \}\{ 1 4 \}\{ 2 3 5 \}\{ 4 5 6 \}\}\}
\(<\) 1 3 5 6 4 2 \(>\)

\{[ 1 2 3 4 5 ]\{ \{ 1 2 3 \}\{ 1 2 3 \}\{ 2 4 \}\{ 3 5 \}\{ 4 5 \}\}\}
\(<\) 1 3 2 4 5 \(>\)

\{[ 1 2 3 ]\{ \{ 1 2 3 \}\}\}
\(<\) 1 3 2 \(>\)

\#f} }
\end{alltt}
\begin{alltt}
STk> (begin (map (lambda (x) (dfs-result x)) dir-hypergraphs) #f){\em{
\{[ 1 2 3 4 5 ]\{ \(<\) 1 2 3 \(>\)\(<\) 4 2 3 \(>\)\}\}
\(<\) 1 3 2 4 5 \(>\)

\{[ 1 2 3 ]\{ \(<\) 1 2 3 \(>\)\(<\) 1 2 3 \(>\)\}\}
\(<\) 1 3 2 \(>\)

\#f} }
\end{alltt}
\begin{alltt}
STk> (begin (map (lambda (x) (dfs-result x)) mixed-hypergraphs) #f){\em{
\{[ 1 2 3 ]\{ \(<\) 1 2 3 \(>\)\{ 2 3 \}\}\}
\(<\) 1 3 2 \(>\)

\#f} }
\end{alltt}

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