
\begin{table}[t!]
    \centering
    \begin{minipage}[t]{0.47\textwidth}
        \caption{Search space reduction.}
        \label{table:action_space_reduction}
        % \vspace{-5pt}
        \centering
        \begin{adjustbox}{width=\textwidth}
        \begin{tabular}{cccccc}
        \toprule
        \multicolumn{3}{c}{\makecell{DoorKey}} & \multicolumn{3}{c}{\makecell{Sokoban}}\\
        \cmidrule(lr){1-3}
        \cmidrule(lr){4-6}

        Easy& Normal& Hard& Easy& Normal& Hard\\
        \midrule
        66.7\% & 75.0\% & 80.0\% & 46.7\% & 88.9\% & 95.2\% \\
        \bottomrule
        \end{tabular}
        \end{adjustbox}
        % \vspace{-0.5cm}
    \end{minipage}%
    \hfill
    \begin{minipage}[t]{0.52\textwidth}
        \caption{Training time comparison.}
        \label{table:training_time}
        % \vspace{-5pt}
        \centering
        \begin{adjustbox}{width=\textwidth}
        \begin{tabular}{@{}lcccccc}
        \toprule
        Models & 4h & 8h & 12h & 16h & 20h \\
        \midrule
        Ours & -116.39& -13.00 & -3.89 & -5.30 & -2.19 \\
        MuZero & -134.16 & -114.96 & -80.60 & -52.21 & -49.60 \\
        \bottomrule
        \end{tabular}
        \end{adjustbox}
        % \vspace{-0.5cm}
    \end{minipage}
\end{table}
