\documentclass[a4paper]{minimal}\usepackage[margin=0cm,landscape]{geometry}\usepackage{graphicx}\usepackage[utf8]{inputenc}\pagestyle{empty}\pdfinfo{/Title (Chaosknoten)}\begin{document}\includegraphics[page=4,scale=.707]{Chaosknoten.pdf}\includegraphics[page=1,scale=.707]{Chaosknoten.pdf}\includegraphics[page=3,scale=.707,angle=180]{Chaosknoten.pdf}\includegraphics[page=2,scale=.707,angle=180]{Chaosknoten.pdf}\end{document}