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\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{knots,hobby}

\begin{document}
\begin{tikzpicture}[use Hobby shortcut]
\begin{knot}[
  consider self intersections,
%  draft mode=crossings,
  ignore endpoint intersections=false,

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Library Miscellaneous Tab Order Version: 2
------------------------------
This file should not be included in the Codea project.
#ChangeLog
#Main
#EuclideanPlane
#ComplexPlane
#Shape
#ShapeElements
#Shapes

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Library Maths Tab Order Version: 2.1
------------------------------
This file should not be included in the Codea project.
#ChangeLog
#Main
#Matrix
#Complex
#Quaternion
#Vec3
#Vector

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Flying Ignatz Tab Order Version: 1.12
------------------------------
This file should not be included in the Codea project.
#Main
#Flight
#Joystick
#Plane
#Quaternion
#Sky
#VecExt

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Flying Tab Order Version: 1.7
------------------------------
This file should not be included in the Codea project.
#Main
#JoyStick
#Quaternion
#Flight
#Plane
#Sky

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Spitfire II Tab Order Version: 1.4
------------------------------
This file should not be included in the Codea project.
#Main
#Andrew
#Quaternion
#Q
#Plane

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Plane Quaternions Tab Order Version: 1.2
------------------------------
This file should not be included in the Codea project.

loopspace

<?php
/* html_convert_entities($string) -- convert named HTML entities to 
 * XML-compatible numeric entities.
 */

function html_convert_entities($string) {
  return preg_replace_callback('/&([a-zA-Z][a-zA-Z0-9]+);/S', 
                               'convert_entity', $string);
}

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\documentclass[border=4pt]{standalone}
\usepackage{amsmath,mathpazo,gensymb}
\usepackage{tikz}

\makeatletter
\pgfarrowsdeclare{centre*}{centre*}
{
  \pgfarrowsleftextend{+-.5\pgflinewidth}
  \pgfutil@tempdima=0.4pt%
  \advance\pgfutil@tempdima by.2\pgflinewidth%

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Fake Sphere Tab Order Version: 1.1
------------------------------
This file should not be included in the Codea project.