\BOOKMARK [1][-]{section.1}{Introduction}{}% 1
\BOOKMARK [1][-]{section.2}{Definitions and preliminary observations}{}% 2
\BOOKMARK [1][-]{section.3}{Search algorithm for admissible bases}{}% 3
\BOOKMARK [1][-]{section.4}{Meet-in-the-middle method for restricted bases}{}% 4
\BOOKMARK [1][-]{section.5}{Numerical results}{}% 5
\BOOKMARK [2][-]{subsection.5.1}{Results for squares}{section.5}% 6
\BOOKMARK [2][-]{subsection.5.2}{Results for rectangles}{section.5}% 7
\BOOKMARK [1][-]{section.6}{Bounds for large-scale behaviour}{}% 8
\BOOKMARK [2][-]{subsection.6.1}{Upper bounds}{section.6}% 9
\BOOKMARK [2][-]{subsection.6.2}{Lower bounds}{section.6}% 10
\BOOKMARK [1][-]{section.7}{Conclusion and open questions}{}% 11
\BOOKMARK [1][-]{section.8}{Acknowledgments}{}% 12