15 puzzle solver: Difference between revisions
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-- (clearly optimal by exhaustively disproving all lesser n)
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<span style="color: #000080;font-style:italic;">-- demo/rosetta/Solve15puzzle_simple.exw</span>
<span style="color: #008080;">enum</span> <span style="color: #000000;">left<span style="color: #0000FF;">,</span> <span style="color: #000000;">down<span style="color: #0000FF;">,</span> <span style="color: #000000;">up<span style="color: #0000FF;">,</span> <span style="color: #000000;">right</span> <span style="color: #000080;font-style:italic;">-- (nb 5-move flips it, as in down===5-up, etc)</span>
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