Author: Stan Eisenstat
Subject: Re: [Cs223] Determining reachable positions
Date: Saturday, 18 Apr 2020, 07:30:28

    > Message Posted By: Unknown
    >
    > How are we supposed to determine the reachable positions from a current
    > position?

By finding the empty position and trying to move
adjacent tiles into it.
=====

    > Also, what does the INITIAL position in the spec refer to? Could you give
    > an example that clarifies what this means?

The INITIAL position is the initial position specified
on the command line.

--Stan-