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	<title>5-state busy beaver champion - Revision history</title>
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	<updated>2026-05-12T19:20:44Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.bbchallenge.org/w/index.php?title=5-state_busy_beaver_champion&amp;diff=164&amp;oldid=prev</id>
		<title>Cosmo: Redirected page to 5-state busy beaver winner</title>
		<link rel="alternate" type="text/html" href="https://wiki.bbchallenge.org/w/index.php?title=5-state_busy_beaver_champion&amp;diff=164&amp;oldid=prev"/>
		<updated>2024-06-14T15:39:15Z</updated>

		<summary type="html">&lt;p&gt;Redirected page to &lt;a href=&quot;/wiki/5-state_busy_beaver_winner&quot; title=&quot;5-state busy beaver winner&quot;&gt;5-state busy beaver winner&lt;/a&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 15:39, 14 June 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#[[5-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;state_busy_beaver_winner&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;REDIRECT &lt;/ins&gt;[[5-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;state busy beaver winner&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Cosmo</name></author>
	</entry>
	<entry>
		<id>https://wiki.bbchallenge.org/w/index.php?title=5-state_busy_beaver_champion&amp;diff=161&amp;oldid=prev</id>
		<title>Cosmo: Replaced content with &quot;#5-state_busy_beaver_winner&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.bbchallenge.org/w/index.php?title=5-state_busy_beaver_champion&amp;diff=161&amp;oldid=prev"/>
		<updated>2024-06-14T15:34:53Z</updated>

		<summary type="html">&lt;p&gt;Replaced content with &amp;quot;#&lt;a href=&quot;/wiki/5-state_busy_beaver_winner&quot; title=&quot;5-state busy beaver winner&quot;&gt;5-state_busy_beaver_winner&lt;/a&gt;&amp;quot;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 15:34, 14 June 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The &lt;/del&gt;5-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;state busy beaver champion (and winner!) is: [https://bbchallenge.org/1RB1LC_1RC1RB_1RD0LE_1LA1LD_1RZ0LA&amp;amp;status=halt https://bbchallenge.org/1RB1LC_1RC1RB_1RD0LE_1LA1LD_1RZ0LA&lt;/del&gt;]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. The machine halts after 47,176,870 steps. It was found by Heiner Marxen and Jürgen Buntrock in 1989&amp;lt;ref&amp;gt;H. Marxen and J. Buntrock. Attacking the Busy Beaver 5. Bulletin of the EATCS, 40, pages 247-251, February 1990. &amp;lt;nowiki&amp;gt;https://turbotm.de/~heiner/BB/mabu90.html&amp;lt;/nowiki&amp;gt;&amp;lt;/ref&amp;gt;.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;#[[&lt;/ins&gt;5-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;state_busy_beaver_winner]&lt;/ins&gt;]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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		<author><name>Cosmo</name></author>
	</entry>
	<entry>
		<id>https://wiki.bbchallenge.org/w/index.php?title=5-state_busy_beaver_champion&amp;diff=158&amp;oldid=prev</id>
		<title>Cosmo: Created page with &quot;The 5-state busy beaver champion (and winner!) is: [https://bbchallenge.org/1RB1LC_1RC1RB_1RD0LE_1LA1LD_1RZ0LA&amp;status=halt https://bbchallenge.org/1RB1LC_1RC1RB_1RD0LE_1LA1LD_1RZ0LA]. The machine halts after 47,176,870 steps. It was found by Heiner Marxen and Jürgen Buntrock in 1989&lt;ref&gt;H. Marxen and J. Buntrock. Attacking the Busy Beaver 5. Bulletin of the EATCS, 40, pages 247-251, February 1990. &lt;nowiki&gt;https://turbotm.de/~heiner/BB/mabu90.html&lt;/nowiki&gt;&lt;/ref&gt;.&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.bbchallenge.org/w/index.php?title=5-state_busy_beaver_champion&amp;diff=158&amp;oldid=prev"/>
		<updated>2024-06-14T15:33:23Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;The 5-state busy beaver champion (and winner!) is: [https://bbchallenge.org/1RB1LC_1RC1RB_1RD0LE_1LA1LD_1RZ0LA&amp;amp;status=halt https://bbchallenge.org/1RB1LC_1RC1RB_1RD0LE_1LA1LD_1RZ0LA]. The machine halts after 47,176,870 steps. It was found by Heiner Marxen and Jürgen Buntrock in 1989&amp;lt;ref&amp;gt;H. Marxen and J. Buntrock. Attacking the Busy Beaver 5. Bulletin of the EATCS, 40, pages 247-251, February 1990. &amp;lt;nowiki&amp;gt;https://turbotm.de/~heiner/BB/mabu90.html&amp;lt;/nowiki&amp;gt;&amp;lt;/ref&amp;gt;.&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;The 5-state busy beaver champion (and winner!) is: [https://bbchallenge.org/1RB1LC_1RC1RB_1RD0LE_1LA1LD_1RZ0LA&amp;amp;status=halt https://bbchallenge.org/1RB1LC_1RC1RB_1RD0LE_1LA1LD_1RZ0LA]. The machine halts after 47,176,870 steps. It was found by Heiner Marxen and Jürgen Buntrock in 1989&amp;lt;ref&amp;gt;H. Marxen and J. Buntrock. Attacking the Busy Beaver 5. Bulletin of the EATCS, 40, pages 247-251, February 1990. &amp;lt;nowiki&amp;gt;https://turbotm.de/~heiner/BB/mabu90.html&amp;lt;/nowiki&amp;gt;&amp;lt;/ref&amp;gt;.&lt;/div&gt;</summary>
		<author><name>Cosmo</name></author>
	</entry>
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