\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|} 
 	\hline 
	\includegraphics[scale=0.05]{\figdir/V1.eps} &
	\includegraphics[scale=0.05]{\figdir/V8.eps} &
	\includegraphics[scale=0.05]{\figdir/V9.eps} &
	\includegraphics[scale=0.05]{\figdir/V10.eps} &
	\includegraphics[scale=0.05]{\figdir/V5.eps} &
	\includegraphics[scale=0.05]{\figdir/V2.eps} &
	\includegraphics[scale=0.05]{\figdir/V7.eps} &
	\includegraphics[scale=0.05]{\figdir/V4.eps} &
	\includegraphics[scale=0.05]{\figdir/V3.eps} &
	\includegraphics[scale=0.05]{\figdir/U6.eps} &
	\includegraphics[scale=0.05]{\figdir/U4.eps} &
	\includegraphics[scale=0.05]{\figdir/U3.eps} &
	\includegraphics[scale=0.05]{\figdir/U2.eps} &
	\includegraphics[scale=0.05]{\figdir/U1.eps} &
	\includegraphics[scale=0.05]{\figdir/U9.eps} &
	\includegraphics[scale=0.05]{\figdir/U10.eps} &
	\includegraphics[scale=0.05]{\figdir/U5.eps} &
	\includegraphics[scale=0.05]{\figdir/six1.eps} &
	\includegraphics[scale=0.05]{\figdir/six4.eps} &
	\includegraphics[scale=0.05]{\figdir/six2.eps} &
	\includegraphics[scale=0.05]{\figdir/seven9.eps} &
	\includegraphics[scale=0.05]{\figdir/six5.eps} &
	\includegraphics[scale=0.05]{\figdir/six8.eps} &
\\ \hline 
 	 - & 2.3 & 4.2 & 4.3 & 5.1 & 5.6 & 5.7 & 11.1 & 12.4 & 15.6 & 15.6 & 16.5 & 18.4 & 20.3 & 23.0 & 23.7 & 24.2 & 38.2 & 38.5 & 39.4 & 40.0 & 40.4 & 40.4 \\ \hline 
\end{tabular}