Landon Curt Noll
c5848302e8
Thank you, @chris-sab, for your excellent work and for helping us commit this alpha version of the topbar. As part of this work, the following HTML sections were removed: * begin-row * begin-leftcolumn * sidenav * end-leftcolumn * begin-rightcolumn * before-content * end-rightcolumn * end-row.default Also added a new HTML section, just above the "header" section: * topbar The web site now as a more modern looking topbar, thanks to the work of the contractor (GitHub user @chris-sab) who is working on issue #2273. Performed `make www` to implement the above and test under macOS. TODO: Fix the Responsive Web Design to deal with the new topbar system. TODO: Improve the topbar. What is there now is just an alpha version. TODO: Decide what to do with `png/ioccc.png`. Remove it make selective use of the image on certain top level pages lower down? TODO: The changes to `ioccc.css` causes some formatting problems with pages such as `location.html` (missing blank lines). Fix formatting problems as needed. TODO: Fix the "Nu HTML check this web page" links on things like the year level _YYYY/index.html_ pages. TODO: Correct all HTML errors, warnings and perhaps informative messages from the Nu HTML check. TODO: Consider adding color (colour) to the web pages in such a way that people with color perception challenges can still use the web site. TODO: For those web browsers that have and allow JavaScript, make use of technology such as [Code Mirror](https://codemirror.net/) to directly render source code (C, shell, Makefile, etc.) with syntax coloring (colouring) directly in the browser. For non-JavaScript browsers, fallback to the current use of GitHub source code viewing.
305 lines
15 KiB
HTML
305 lines
15 KiB
HTML
<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<head>
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<link rel="stylesheet" href="../../ioccc.css">
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<link href="https://fonts.googleapis.com/css2?family=Outfit:wght@100..900&display=swap" rel="stylesheet">
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
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<title>2000/natori - Best Small Program</title>
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<link rel="icon" type="image/x-icon" href="../../favicon.ico">
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<meta name="description" content="2000 IOCCC entry natori - Best Small Program">
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<meta name="keywords" content="IOCCC, 2000, IOCCC 2000, IOCCC entry, natori, Best Small Program">
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<div class="theader">
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<nav class="topbar">
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<div class="container">
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<div class="logo">
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IOCCC
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Home
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<div class="outfit-font"><a href="../../index.html">IOCCC Home</a></div>
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<div class="outfit-font"><a href="../../years.html">Winning Entries</a></div>
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News
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<div class="outfit-font"><a href="../../news.html">IOCCC News</a></div>
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<div class="outfit-font"><a href="../../bugs.html">Bugs & (mis)features</a></div>
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<div class="outfit-font"><a href="../../faq.html#fix_an_entry">Fixing IOCCC entries</a></div>
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<div class="outfit-font"><a href="../../faq.html#fix_web_site">Fixing the web site</a></div>
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<div class="outfit-font"><a href="../../faq.html#fix_author">Fixing author info</a></div>
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<div class="outfit-font"><a href="../../thanks-for-help.html">Thanks for the help</a></div>
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<div class="item">
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<span class="item-header">
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Judges
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<div class="sub-item">
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<div class="outfit-font"><a href="../../judges.html">The IOCCC Judges</a></div>
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<div class="outfit-font"><a href="../../contact.html">Contacting the IOCCC</a></div>
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</nav>
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<div class="header">
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<img src="../../png/ioccc.png" alt="IOCCC image by Matt Zucker" width=300 height=110>
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<h1>The International Obfuscated C Code Contest</h1>
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<h2>2000/natori - Best Small Program</h2>
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</div>
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<div class="navbar">
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<a class="Left" href="../jarijyrki/index.html">← jarijyrki</a>
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<a class="Left" href="../index.html">↑ 2000 ↑</a>
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<a class="Left" href="../primenum/index.html">primenum →</a>
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<a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/natori.c">C code</a>
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<a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/Makefile">Makefile</a>
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<a class="Right" href="#inventory">Inventory</a>
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</div>
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<h2 id="author">Author:</h2>
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<ul>
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<li>Name: <a href="../../authors.html#NATORI_Shin">NATORI Shin</a><br>
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Location: <a href="../../location.html#JP">JP</a> - <em>Japan</em></li>
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</ul>
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<h2 id="to-build">To build:</h2>
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<pre><code> make</code></pre>
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<p>An alt version exists for those in the southern hemisphere (or those who want to
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see what it would be in the southern hemisphere). See <a href="#alternate-code">alternate
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version</a> below.</p>
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<h2 id="to-use">To use:</h2>
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<pre><code> ./natori</code></pre>
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<h2 id="try">Try:</h2>
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<pre><code> ./try.sh</code></pre>
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<p>Try running this on different days, say a few days apart (even better if the
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Moon phase changes), and each time run it several times in a row (or several
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times in a day).</p>
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<p>Also try modifying the code so that it will show another Moon phase based on
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input or else just by the code itself. Bonus points if you can make it show all.</p>
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<p>NOTE: if it’s a Full Moon the script won’t look as nice.</p>
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<h2 id="alternate-code">Alternate code:</h2>
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<p>The author noted that those in the southern hemisphere might want to change
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<code>acos(l/2)</code> into <code>acos(-l/2)</code> which we have done in the alternate version.</p>
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<h3 id="alternate-build">Alternate build:</h3>
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<p>To run the alternate code that supports the southern hemisphere:</p>
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<pre><code> make alt</code></pre>
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<h3 id="alternate-use">Alternate use:</h3>
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<pre><code> ./natori.alt</code></pre>
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<p>Try running this on different days, say a few days apart, and each time run it
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several times in a row (or several times in a day).</p>
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<p>What happens if you run it in the northern hemisphere? Are there any
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differences?</p>
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<p>Can you identify any Moon phases that result in the same output of both
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versions? Or are there any?</p>
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<h3 id="alternate-try">Alternate try:</h3>
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<pre><code> ./try.alt.sh</code></pre>
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<p>Like with <a href="try.sh">try.sh</a>, try using this multiple times in a row or throughout
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the day on different days (if different phases of the Moon you’ll see more of a
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difference, of course).</p>
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<p>NOTE: if it’s a Full Moon the script won’t look as nice.</p>
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<h2 id="judges-remarks">Judges’ remarks:</h2>
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<p>Here is a nice compact program that changes with the phase of the Moon.
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Can you figure out how it does it?</p>
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<p>The ANSI-C committee, among their multiple misdeeds, broke perfectly fun C
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programs by making it intractable for them to declare their own non-traditional
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prototype for <code>main()</code>. We have had to uglify this program in order to prevent
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C compilers from failing to compile it due to (the now changed) unusual arg
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types of the <code>main()</code> function.</p>
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<h2 id="authors-remarks">Author’s remarks:</h2>
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<p>This program outputs a rough image of the moon in its current phase.
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The main obfuscation of this entry is its complicated double recursion
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(without any loop or conditional statement).</p>
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<p>People living in the southern hemisphere may want to change <code>acos(l/2)</code>
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into <code>acos(-l/2)</code>.</p>
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<!--
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Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
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You are free to share and adapt this file under the terms of this license:
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Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
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For more information, see:
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https://creativecommons.org/licenses/by-sa/4.0/
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-->
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<div id="inventory">
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<h1 id="inventory-for-2000natori">Inventory for 2000/natori</h1>
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</div>
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<p><a href="#top">Jump to top</a></p>
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<h2 id="primary-files">Primary files</h2>
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<ul>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/natori.c">natori.c</a> - entry source</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/Makefile">Makefile</a> - entry Makefile</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/natori.alt.c">natori.alt.c</a> - alternative source</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/natori.orig.c">natori.orig.c</a> - original source</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/try.alt.sh">try.alt.sh</a> - how to run alternative code</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/try.sh">try.sh</a> - how to run</li>
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</ul>
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<h2 id="secondary-files">Secondary files</h2>
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<ul>
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<li><a href="2000_natori.tar.bz2">2000_natori.tar.bz2</a> - download entry tarball</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/README.md">README.md</a> - markdown source for this web page</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/.entry.json">.entry.json</a> - description of entry in JSON</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/.gitignore">.gitignore</a> - list of files that should not be committed under git</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/.path">.path</a> - directory path from top directory</li>
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<li><a href="index.html">index.html</a> - this web page</li>
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</ul>
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</div>
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<!--
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Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
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You are free to share and adapt this file under the terms of this license:
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Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
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For more information, see:
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https://creativecommons.org/licenses/by-sa/4.0/
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-->
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<div class="footer">
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<div id="copyright"><h2>Copyright and CC BY-SA 4.0 License</h2></div>
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<p>All IOCCC content including this file and web page are:</p>
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<b> Copyright © 1984-2024 by Landon Curt Noll. <a href="https://creativecommons.org/faq/#what-does-some-rights-reserved-mean">Some Rights Reserved</a>.</b>
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<p>This work is licensed by Landon Curt Noll under:</p>
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<p><b><a href="https://creativecommons.org/licenses/by-sa/4.0/?ref=chooser-v1"
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target="_blank" rel="license noopener noreferrer" style="display:inline-block;"> CC BY-SA 4.0
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<img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;"
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src="../../png/cc.png"
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alt="cc inside circle symbol">
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<img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;"
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src="../../png/by.png"
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alt="person inside circle symbol">
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<img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;"
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src="../../png/sa.png"
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alt="arrow looping back on itself inside circle symbol">
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</a></b></p>
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<p>The <b>CC BY-SA 4.0 LEGAL CODE</b> for this license is found under:</p>
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<p> <b><a href="https://creativecommons.org/licenses/by-sa/4.0/legalcode.en">
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https://creativecommons.org/licenses/by-sa/4.0/legalcode.en</a></b></p>
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<p>You should <b>carefully review</b> all of the terms and conditions of the
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<a href="https://creativecommons.org/licenses/by-sa/4.0/legalcode.en">actual license</a>
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before using the licensed material.</p>
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<p>You may wish to review the <b><a href="../../license.html">highlights of some of the key
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features and terms</a></b> of the <a href="https://creativecommons.org/licenses/by-sa/4.0/legalcode.en">actual license</a>.</p>
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<h2>Coda</h2>
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<p><a href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2000%2Fnatori%2Findex.html">Nu HTML check this web page</a></p>
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<p><a href="#top">Jump to top</a> <a href="#content">Jump to Content</a> <a href="#inventory">Jump to Inventory</a></p>
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