\documentclass{article}
\usepackage[paperwidth=160mm,paperheight=160mm,margin=0mm]{geometry}
\usepackage{graphicx}

\begin{document}
\includegraphics[scale=0.25]{Snippet_0}
\begin{center}
\includegraphics[width=1\textwidth]{Snippet_1}\\
%$[...]$ \\
\includegraphics[width=1\textwidth]{Snippet_1.1}\\
%$[...]$ \\
%\includegraphics[width=0.8\textwidth]{Snippet_2}\\
\includegraphics[width=1\textwidth]{Snippet_2.1}\\
\includegraphics[width=1\textwidth]{Snippet_2.2}\\[2ex]
%$[...]$ \\
\includegraphics[width=1\textwidth]{Snippet_3}\\[1ex]
\includegraphics[width=1\textwidth]{Snippet_3.1}
\end{center}


\end{document}

