\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/seven1.eps} &
	\includegraphics[scale=0.05]{\figdir/seven7.eps} &
	\includegraphics[scale=0.05]{\figdir/seven5.eps} &
	\includegraphics[scale=0.05]{\figdir/seven8.eps} &
	\includegraphics[scale=0.05]{\figdir/seven6.eps} &
	\includegraphics[scale=0.05]{\figdir/one6.eps} &
	\includegraphics[scale=0.05]{\figdir/one8.eps} &
	\includegraphics[scale=0.05]{\figdir/one7.eps} &
	\includegraphics[scale=0.05]{\figdir/one9.eps} &
	\includegraphics[scale=0.05]{\figdir/one1.eps} &
	\includegraphics[scale=0.05]{\figdir/one4.eps} &
	\includegraphics[scale=0.05]{\figdir/seven9.eps} &
	\includegraphics[scale=0.05]{\figdir/seven10.eps} &
	\includegraphics[scale=0.05]{\figdir/one3.eps} &
	\includegraphics[scale=0.05]{\figdir/one5.eps} &
	\includegraphics[scale=0.05]{\figdir/seven4.eps} &
	\includegraphics[scale=0.05]{\figdir/one2.eps} &
	\includegraphics[scale=0.05]{\figdir/one10.eps} &
	\includegraphics[scale=0.05]{\figdir/V6reverse.eps} &
	\includegraphics[scale=0.05]{\figdir/seven2.eps} &
	\includegraphics[scale=0.05]{\figdir/seven3.eps} &
	\includegraphics[scale=0.05]{\figdir/U7reverse.eps} &
	\includegraphics[scale=0.05]{\figdir/U9.eps} &
\\ \hline 
 	 - & 4.1 & 4.6 & 5.2 & 5.4 & 5.5 & 5.6 & 5.7 & 5.8 & 5.9 & 5.9 & 6.0 & 6.0 & 6.1 & 6.3 & 6.3 & 6.4 & 6.4 & 6.6 & 6.9 & 9.0 & 9.7 & 9.7 \\ \hline 
\end{tabular}