diff -r 987af9e53631 -r d9e4d7e1cbf6 sandbox.tex
--- a/sandbox.tex	Mon Dec 12 21:05:33 2011 -0800
+++ b/sandbox.tex	Mon Dec 12 22:11:55 2011 -0800
@@ -12,45 +12,4 @@
 \newcommand{\vertex}{node[circle,fill=black,inner sep=1pt] {}}
 
 
-\begin{tikzpicture}
-\node[circle,fill=black,inner sep=1pt] (A) at (1.73,0) {};
-\node[circle,fill=black,inner sep=1pt] (B) at (-1.73,0) {};
-\draw[dashed] (A) -- (B);
-\node[circle,fill=black,inner sep=1pt] (C) at (0,0) {};
-\node[circle,fill=black,inner sep=1pt] (D) at (0.8,0) {};
-\begin{scope}[yshift=-1cm]
-\path[clip] (0,0) circle (2);
-\begin{scope}[yshift=2cm]
-\draw (0,0) circle (2);
-\node[circle,fill=black,inner sep=1pt] (L2) at (-90:2) {};
-\node[circle,fill=black,inner sep=1pt] (L1) at (-120:2) {};
-\end{scope}
-\end{scope}
-\begin{scope}[yshift=1cm]
-\path[clip] (0,0) circle (2);
-\begin{scope}[yshift=-2cm]
-\draw (0,0) circle (2);
-\node[circle,fill=black,inner sep=1pt] (U) at (90:2) {};
-\end{scope}
-\end{scope}
-\begin{scope}
-\path[clip] (0,1) circle (2);
-\path[clip] (0,-1) circle (2);
-\foreach \n in {1,...,6} {
-	\path (B) to[out=0,in=-180] node[coordinate,pos=\n/6] (BC\n) {} (C);
-	\draw[green!50!brown] (BC\n) -- +(0,1);
-	\draw[green!50!brown] (BC\n) -- +(-1.5,-1);
-}
-\foreach \n in {0,...,6} {
-	\path (C) to[out=0,in=-180] node[coordinate,pos=\n/6] (CD\n) {} (D);
-	\path (L1) to[out=-30,in=-180] node[coordinate,pos=\n/6] (L1L2\n) {} (L2);
-	\draw[blue] (CD\n) -- (L1L2\n);
-}
-\foreach \n in {0,...,6} {
-	\path (L1) to[out=40,in=-140] node[coordinate,pos=\n/6] (L1C\n) {} (C);
-	\path (L2) to[out=50,in=-130] node[coordinate,pos=\n/6] (L2D\n) {} (D);
-	\draw[blue] (L1C\n) -- (L2D\n);
-}
-\end{scope}
-\end{tikzpicture}
 \end{document}