\documentstyle[11pt,a4,epsfig]{article}
\oddsidemargin 20pt
\evensidemargin 40pt
\textwidth 470pt
\topmargin -20pt
\textheight 640pt
% \parindent 0pt
\pagestyle{empty}
\renewcommand{\baselinestretch}{1.2}
\def\degree{\mbox{\hbox to .25em{}$^\circ$}}
\begin{document}
\end{document}
