% Author: Prof. Dr. Matthias Jung, DL9MJ
% Year: 2023
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    \node at (a.east) [rectangle, draw, anchor=west, minimum height=0.6cm, minimum width=0.6cm](b){\texttt{1}};
    \node at (b.east) [rectangle, draw, anchor=west, minimum height=0.6cm, minimum width=0.6cm](c){\texttt{0}};
    \node at (c.east) [rectangle, draw, anchor=west, minimum height=0.6cm, minimum width=0.6cm](d){\texttt{0}};
    \node at (d.east) [rectangle, draw, anchor=west, minimum height=0.6cm, minimum width=0.6cm](e){\texttt{1}};
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    \node at (g.east) [rectangle, draw, anchor=west, minimum height=0.6cm, minimum width=0.6cm](h){\texttt{1}};
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    \node at (i.east) [rectangle, draw, anchor=west, minimum height=0.6cm, minimum width=0.6cm](j){\texttt{1}};
    \node at (j.east) [rectangle, draw, anchor=west, minimum height=0.6cm, minimum width=0.6cm](k){\texttt{1}};
\end{tikzpicture}