\begin{exampleblock}{}
\begin{itemize}
\item Five elements $1 \le i \le 5$ taking their  value $X_i$ in $\{0,1\}$
\item Configuration: a binary  number in 0,1,\ldots,31
\item Dynamic: a map
\[
F(X)= \left \{
\begin{array}{lll}
f_1(X_1,X_2,X_3,X_4,X_5) & = & X_1 \overline{X_2} + \overline{X_1} X_2 \\
f_2(X_1,X_2,X_3,X_4,X_5) & = & \overline{X_1 + X_2}  \\
f_3(X_1,X_2,X_3,X_4,X_5) & = & X_3 \overline{X_1} \\
f_4(X_1,X_2,X_3,X_4,X_5) & = & X_5  \\
f_5(X_1,X_2,X_3,X_4,X_5) & = & \overline{X_3} + X_4
\end{array}
\right.
\]
\end{itemize}
\end{exampleblock}