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\renewcommand\section{%\@startsection{section}{1}{\z@}%{-3.5ex \@plus -1ex \@minus -.2ex}%{2.3ex \@plus.2ex}%{\normalfont\normalsize\bfseries\uppercase}%}\renewcommand\subsection{%\@startsection{subsection}{2}{\z@}%{-3.25ex\@plus -1ex \@minus -.2ex}%{2.3ex \@plus.2ex}%{\normalfont\normalsize\MakeUppercase}}\renewcommand\subsubsection{%\@startsection{subsubsection}{3}{\z@}%{-3.25ex\@plus -1ex \@minus -.2ex}%{2.3ex \@plus.2ex}%{\normalfont\normalsize\bfseries}}