15 puzzle solver: Difference between revisions
→The Results
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===The Results===
The step sequence is shown along with a board layout, followed by various methods of calculating a position's distance from ZERO, the solved state. All are such that Dist(ZERO) = 0, but, they do not show an obvious direction to follow. Some steps along the path to ZERO raise the distance to ZERO.
<pre>
To play 'slide-square' with 4 rows and 4 columns.
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