\begin{itemize}
\item{level1}\item{level1}\begin{itemize}
\item{level2}\end{itemize}

\end{itemize}

\begin{figure}
\begin{center}
\begin{verbatim}level0 pre
\end{verbatim}\caption{untitled}
\end{center}
\end{figure}
\section{level0}

\begin{itemize}
\item{level1}\item{level1}\begin{itemize}
\item{level2}\end{itemize}

\end{itemize}

level0 line