\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/V10.eps} &
	\includegraphics[scale=0.05]{\figdir/V4.eps} &
	\includegraphics[scale=0.05]{\figdir/V3.eps} &
	\includegraphics[scale=0.05]{\figdir/V5.eps} &
	\includegraphics[scale=0.05]{\figdir/V7.eps} &
	\includegraphics[scale=0.05]{\figdir/V9.eps} &
	\includegraphics[scale=0.05]{\figdir/V2.eps} &
	\includegraphics[scale=0.05]{\figdir/U6.eps} &
	\includegraphics[scale=0.05]{\figdir/U4.eps} &
	\includegraphics[scale=0.05]{\figdir/U2.eps} &
	\includegraphics[scale=0.05]{\figdir/y8noloop.eps} &
	\includegraphics[scale=0.05]{\figdir/three6.eps} &
	\includegraphics[scale=0.05]{\figdir/three5.eps} &
	\includegraphics[scale=0.05]{\figdir/U5.eps} &
	\includegraphics[scale=0.05]{\figdir/U1.eps} &
	\includegraphics[scale=0.05]{\figdir/two6.eps} &
	\includegraphics[scale=0.05]{\figdir/U3.eps} &
	\includegraphics[scale=0.05]{\figdir/U8upsidedown.eps} &
	\includegraphics[scale=0.05]{\figdir/three1.eps} &
	\includegraphics[scale=0.05]{\figdir/y4.eps} &
	\includegraphics[scale=0.05]{\figdir/y7.eps} &
\\ \hline 
 	 - & 4.7 & 4.9 & 5.1 & 5.3 & 6.1 & 6.5 & 6.8 & 6.9 & 11.3 & 11.4 & 11.5 & 11.6 & 11.7 & 11.7 & 11.9 & 12.0 & 12.2 & 12.3 & 12.4 & 12.5 & 12.6 & 12.7 \\ \hline 
\end{tabular}