begin{figure}[h]
centerline{%
includegraphics[width=0.5textwidth]{CircleTemplate.eps}%
includegraphics[width=0.5textwidth]{CircleOlimpicStarting.eps}%
}%
centerline{%
includegraphics[width=0.5textwidth] {CircleOlimpicFinishing.eps}%
includegraphics[width=0.5textwidth] {CircleOlimpicFinishingWithNoise.eps}%
}%
caption{Some long long caption}
label{fig:OlimpicCircleTT1}
end{figure}