\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/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/V3.eps} &
	\includegraphics[scale=0.05]{\figdir/U5.eps} &
	\includegraphics[scale=0.05]{\figdir/V10.eps} &
	\includegraphics[scale=0.05]{\figdir/V5.eps} &
	\includegraphics[scale=0.05]{\figdir/V4.eps} &
	\includegraphics[scale=0.05]{\figdir/V8.eps} &
	\includegraphics[scale=0.05]{\figdir/V2.eps} &
	\includegraphics[scale=0.05]{\figdir/V1.eps} &
	\includegraphics[scale=0.05]{\figdir/V9.eps} &
	\includegraphics[scale=0.05]{\figdir/V7.eps} &
	\includegraphics[scale=0.05]{\figdir/six4.eps} &
	\includegraphics[scale=0.05]{\figdir/six5.eps} &
	\includegraphics[scale=0.05]{\figdir/six6.eps} &
	\includegraphics[scale=0.05]{\figdir/six8.eps} &
	\includegraphics[scale=0.05]{\figdir/six2.eps} &
	\includegraphics[scale=0.05]{\figdir/six3.eps} &
\\ \hline 
 	 - & 1.9 & 2.5 & 2.7 & 3.6 & 4.9 & 5.2 & 8.1 & 9.1 & 9.8 & 10.2 & 14.7 & 15.0 & 15.2 & 15.6 & 17.0 & 20.1 & 35.0 & 35.5 & 36.6 & 36.7 & 37.3 & 38.6 \\ \hline 
\end{tabular}