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\title{\bf{
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\author{
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}
\date{}

\begin{document}
\maketitle

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\section*{Abstract}
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\section{Introduction}
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\section{The First Section}
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Figures should be mixed with the text, not put at the end of the paper.
Figures generally look best when routinely placed at the top or bottom of
columns.  The \begin{figure*} \end{figure*} environments are used for figures
which span both columns; there is a similar table environment.

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\section{The Second Section}
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\subsection{The First Subsection}
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\section{The Third Section}
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\section{Conclusion}
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\section*{Acknowledgment}
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