$i_2$ and lastly $12, 14, 16$ represents $i_3$.
\begin{figure}[p]
\centering
- \includegraphics[scale=0.1]{toy.png}
+ \includegraphics[scale=0.1]{toy.eps}
\caption{Initial state encoding of the example~\label{fig:toy}}
\end{figure}
\begin{figure}[p]
\centering
- \includegraphics[scale=0.1]{toy2.png}
+ \includegraphics[scale=0.1]{toy2.eps}
\caption{Goal state encoding of the example~\label{fig:toy2}}
\end{figure}
\begin{figure}[p]
\centering
- \includegraphics[scale=0.1]{toy3.png}
+ \includegraphics[scale=0.1]{toy3.eps}
\caption{Sub-BDD of a move~\label{fig:toy3}}
\end{figure}