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	<title>User talk:Puzl bustr - Revision history</title>
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	<updated>2026-04-17T22:13:05Z</updated>
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		<id>http://sokobano.de/wiki/index.php?title=User_talk:Puzl_bustr&amp;diff=4817&amp;oldid=prev</id>
		<title>Puzl bustr at 10:01, 18 March 2010</title>
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		<updated>2010-03-18T10:01:40Z</updated>

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&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Hello.&lt;br /&gt;
&lt;br /&gt;
Thanks a lot for your detailed ideas!!!&lt;br /&gt;
I will try to implement them in the next solver for my program &amp;#039;JSoko&amp;#039;.&lt;br /&gt;
&lt;br /&gt;
Matthias Meger&lt;br /&gt;
&lt;br /&gt;
* Great! I just noticed my description of the goal trap algorithm is incomplete. Goal traps would be a good addition to the deadlock section of the wiki. I should exclude PRZs of push-squares which aren&amp;#039;t &amp;quot;reversible&amp;quot;: the extra condition that you can push from the goal to the push-square. In example goal trap on wall, only the PRZs along the wall constitute the goal trap, not the PRZ of the push-square off the wall. And there needs to be a condition where the goal itself belongs to the trap (as in the example goal trap on wall). A corner goal would have an empty goal trap but not belong to it - needs to be excluded as not a deadlock if corner has no box on it, provided some box can push to corner. The reversible region digraph generalization, with the example goal trap on wall as a sink and the off-the wall squares as a source, makes this clearer.&lt;br /&gt;
&lt;br /&gt;
I&amp;#039;m relieved someone &amp;quot;able-handed&amp;quot; is working on this! I&amp;#039;m hoping you&amp;#039;ll discuss it with other programmers and between you figure out what is easily implementable - some of my ideas are pretty ambitious and might take months or years to implement properly, if at all.&lt;br /&gt;
&lt;br /&gt;
David Holland&lt;/div&gt;</summary>
		<author><name>Puzl bustr</name></author>
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