\begin{Verbatim}[commandchars=\\\{\}] \PYG{k}{\PYGZbs{}section}\PYG{n+nb}{\PYGZob{}}Chapter 1\PYG{n+nb}{\PYGZcb{}} \PYG{k}{\PYGZbs{}subsection}\PYG{n+nb}{\PYGZob{}}Chapter 1.1\PYG{n+nb}{\PYGZcb{}} \PYG{k}{\PYGZbs{}subsubsection}\PYG{n+nb}{\PYGZob{}}Chapter 1.1.1\PYG{n+nb}{\PYGZcb{}} \end{Verbatim}