\documentclass[a4paper,10pt]{article}

\input{common.tex}

\begin{document}

\thispagestyle{empty}
\vspace*{\fill}
\begin{center}
\begin{tikzpicture}[x=1cm,y=1cm]

\vlin{18}{26}{9}{10}{gray}
\hlog{18}{26}{4}{}{2,3,4,5}{}{6,7,8,9,10}{gray}

\end{tikzpicture}
\end{center}
\vspace*{\fill}

\end{document}