\begin{saveblock}{demo}
	\begin{highlightblock}[gobble=8,linewidth=0.6\textwidth,
		framexleftmargin=0.25em,xleftmargin=0.25em]
        \section{AA}
        Counters: \thesubsection,
        \arabic{subsection},
        \roman{subsection}

        \subsection{BB}
        Counters: \thesubsection,
        \arabic{subsection},
        \roman{subsection}

        \subsection{CC}
        Counters: \thesubsection,
        \arabic{subsection},
        \roman{subsection}
    \end{highlightblock}
\end{saveblock}

\begin{frame}{Counter-inspectie}
	% \useblock{setcounter}

    % \medskip

	% \centering
    % \includegraphics[width=\linewidth,height=0.4\textheight,keepaspectratio]{
	% 	assets/internals-setcounter-output.pdf}

    \begin{columns}
        \begin{column}{0.4\textwidth}
            \adjustbox{fbox=1pt 5pt}{\includegraphics[width=\linewidth,height=0.4\textheight,keepaspectratio,
            trim=0pt 0pt 70pt 0pt,clip]{
	        assets/internals-counter_inspection-output.pdf}}
        \end{column}
        \begin{column}{0.6\textwidth}
            \useblock{demo}
        \end{column}
    \end{columns}
\end{frame}