blob: 7a9ce937b67ef825d23577bf25333dd960cfaa53 (
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\begin{tikzpicture}
\begin{pgfonlayer}{nodelayer}
\node [style=none] (0) at (0, 2) {};
\node [style=none] (1) at (0, 0) {};
\node [style=none] (2) at (1, -2) {};
\node [style=none] (3) at (2, -2) {};
\node [style=none] (4) at (2, 2) {};
\node [style=none] (5) at (0, 2) {};
\node [style=none] (6) at (0, 0) {};
\node [style=none] (7) at (-1, -2) {};
\node [style=none] (8) at (-2, -2) {};
\node [style=none] (9) at (-2, 2) {};
\node [style=white dot] (10) at (0, 0) {$\mu$};
\end{pgfonlayer}
\begin{pgfonlayer}{edgelayer}
\draw [style=region B] (3.center)
to (4.center)
to (0.center)
to (1.center)
to [bend left] (2.center)
to cycle;
\draw [style=region A] (8.center)
to (9.center)
to (5.center)
to (6.center)
to [bend right] (7.center)
to cycle;
\draw [style=region C] (6.center)
to [bend right] (7.center)
to (2.center)
to [bend right] cycle;
\draw [bend left] (7.center) to (6.center);
\draw [bend right] (2.center) to (6.center);
\draw (6.center) to (5.center);
\end{pgfonlayer}
\end{tikzpicture}
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