\begin{tabular}{cc}
\resizebox{60mm}{!}{
	\begin{tabular}{|r|c|c|c|c|}
	        \hline
	        \textbf{key} & \textbf{ties} & \textbf{win} & \textbf{loss} & \textbf{win-loss-at-99\%} \\ \hline \hline
	        manual & 5 & 13 & 0 & 13 \\ \hline
	        launam & 14 & 4 & 0 & 4 \\ \hline
	        which8 & 15 & 3 & 0 & 3 \\ \hline
	        which2 & 15 & 3 & 0 & 3 \\ \hline
	        j48 & 15 & 3 & 0 & 3 \\ \hline
	        which4 & 14 & 3 & 1 & 2 \\ \hline
	        which2loc & 15 & 2 & 1 & 1 \\ \hline
	        nBayes & 14 & 2 & 2 & 0 \\ \hline
	        jRip & 2 & 2 & 14 & -12 \\ \hline
	        which8loc & 1 & 0 & 17 & -17 \\ \hline
	        which4loc & 1 & 0 & 17 & -17 \\ \hline
	\end{tabular}
} &
\resizebox{60mm}{!}{
\begin{tabular}{|r|c|c|c|c|}
        \hline
        \textbf{key} & \textbf{ties} & \textbf{win} & \textbf{loss} & \textbf{win-loss-at-99\%} \\ \hline \hline
        which2 & 9 & 9 & 0 & 9 \\ \hline
        which2loc & 14 & 4 & 0 & 4 \\ \hline
        nBayes & 14 & 4 & 0 & 4 \\ \hline
        manual & 14 & 4 & 0 & 4 \\ \hline
        launam & 14 & 4 & 0 & 4 \\ \hline
        which4 & 15 & 2 & 1 & 1 \\ \hline
        jRip & 15 & 2 & 1 & 1 \\ \hline
        which8 & 8 & 2 & 8 & -6 \\ \hline
        j48 & 8 & 2 & 8 & -6 \\ \hline
        which8loc & 1 & 0 & 17 & -17 \\ \hline
        which4loc & 1 & 0 & 17 & -17 \\ \hline
\end{tabular}
} \\
ar3 & ar4 \\
&\\
\resizebox{60mm}{!}{
\begin{tabular}{|r|c|c|c|c|}
        \hline
        \textbf{key} & \textbf{ties} & \textbf{win} & \textbf{loss} & \textbf{win-loss-at-99\%} \\ \hline \hline
        which4 & 13 & 5 & 0 & 5 \\ \hline
        which2 & 13 & 5 & 0 & 5 \\ \hline
        manual & 13 & 5 & 0 & 5 \\ \hline
        nBayes & 14 & 4 & 0 & 4 \\ \hline
        jRip & 14 & 4 & 0 & 4 \\ \hline
        j48 & 14 & 4 & 0 & 4 \\ \hline
        launam & 4 & 4 & 10 & -6 \\ \hline
        which8loc & 3 & 0 & 15 & -15 \\ \hline
        which8 & 3 & 0 & 15 & -15 \\ \hline
        which4loc & 3 & 0 & 15 & -15 \\ \hline
        which2loc & 3 & 0 & 15 & -15 \\ \hline
\end{tabular}
} & \\
ar5 & \\
\end{tabular}