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	<id>https://wiki.cs.auckland.ac.nz/stageonewiki/index.php?action=history&amp;feed=atom&amp;title=Sudoku</id>
	<title>Sudoku - Revision history</title>
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	<updated>2026-04-05T03:27:33Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.cs.auckland.ac.nz/stageonewiki/index.php?title=Sudoku&amp;diff=3548&amp;oldid=prev</id>
		<title>Srig005: /* Sudoku Tips */</title>
		<link rel="alternate" type="text/html" href="https://wiki.cs.auckland.ac.nz/stageonewiki/index.php?title=Sudoku&amp;diff=3548&amp;oldid=prev"/>
		<updated>2009-08-12T00:00:12Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Sudoku Tips&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&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 00:00, 12 August 2009&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-l4&quot;&gt;Line 4:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 4:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#The process of completing a Sudoku square is about sorting what numbers &amp;quot;have&amp;quot; to go in a certain square vrs those that &amp;quot;cannot&amp;quot; go there - ie a process of elimination.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#The process of completing a Sudoku square is about sorting what numbers &amp;quot;have&amp;quot; to go in a certain square vrs those that &amp;quot;cannot&amp;quot; go there - ie a process of elimination.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#If it gets tough put numbers on the outer edge of the main square indicating numbers that &amp;quot;must&amp;quot; be in a line adjacent. Some times you will have the numbers but not exact positions but this assists with the process of elimination.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#If it gets tough put numbers on the outer edge of the main square indicating numbers that &amp;quot;must&amp;quot; be in a line adjacent. Some times you will have the numbers but not exact positions but this assists with the process of elimination.&lt;/div&gt;&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;#Add your tip here or insert it logically &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;above&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;#Add your tip here or insert it logically  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&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;#A good starting point is to do the lines or boxes that have the least numbers to be filled in first because they are usually the easiest way to get you started. &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&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;#Then you can try individual numbers that you figure out are easy to find where all of them are in the square, this can help you to point out more numbers that can be filled in and get lines or squares which can help with other lines and squares.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&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;#Remember to check everywhere to make sure the number can go in the particular place so that you do not get double ups in the other lines or squares.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&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;The last three tips are just suggestions they may or may not work all the time.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Srig005</name></author>
	</entry>
	<entry>
		<id>https://wiki.cs.auckland.ac.nz/stageonewiki/index.php?title=Sudoku&amp;diff=3469&amp;oldid=prev</id>
		<title>Mbro226 at 06:50, 11 August 2009</title>
		<link rel="alternate" type="text/html" href="https://wiki.cs.auckland.ac.nz/stageonewiki/index.php?title=Sudoku&amp;diff=3469&amp;oldid=prev"/>
		<updated>2009-08-11T06:50:13Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Sudoku Tips ==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
#The process of completing a Sudoku square is about sorting what numbers &amp;quot;have&amp;quot; to go in a certain square vrs those that &amp;quot;cannot&amp;quot; go there - ie a process of elimination.&lt;br /&gt;
#If it gets tough put numbers on the outer edge of the main square indicating numbers that &amp;quot;must&amp;quot; be in a line adjacent. Some times you will have the numbers but not exact positions but this assists with the process of elimination.&lt;br /&gt;
#Add your tip here or insert it logically above&lt;/div&gt;</summary>
		<author><name>Mbro226</name></author>
	</entry>
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