% BEGIN FIGURE (generated by make_figure.py from the Gauss words; do not edit)
\begin{tikzpicture}[chord/.style={line width=0.6pt},
  tri/.style={line width=0.9pt, draw=tricol},
  even/.style={line width=1.6pt, draw=tricol},
  triedge/.style={line width=3.2pt, draw=tricol!45}]
\begin{scope}[xshift=0.0cm]  % K_1 = a b a e c b d f d g e g c f
  \draw[triedge] (12.857:1.75) arc[start angle=12.857, end angle=-12.857, radius=1.75];  % triangle edge e-c
  \draw[triedge] (-141.429:1.75) arc[start angle=-141.429, end angle=-167.143, radius=1.75];  % triangle edge g-e
  \draw[triedge] (-192.857:1.75) arc[start angle=-192.857, end angle=-218.571, radius=1.75];  % triangle edge g-c
  \draw[line width=0.6pt] (0,0) circle (1.75);
  \draw[chord] (90.000:1.75) -- (38.571:1.75);  % chord a
  \draw[chord] (64.286:1.75) -- (-38.571:1.75);  % chord b
  \draw[tri] (-12.857:1.75) -- (-218.571:1.75);  % chord c
  \draw[chord] (-64.286:1.75) -- (-115.714:1.75);  % chord d
  \draw[even] (12.857:1.75) -- (-167.143:1.75);  % chord e
  \draw[chord] (-90.000:1.75) -- (-244.286:1.75);  % chord f
  \draw[tri] (-141.429:1.75) -- (-192.857:1.75);  % chord g
  \node[font=\small] at (90.000:2.07) {$a$};
  \node[font=\small] at (64.286:2.07) {$b$};
  \node[font=\small] at (38.571:2.07) {$a$};
  \node[font=\small] at (12.857:2.07) {$e$};
  \node[font=\small] at (-12.857:2.07) {$c$};
  \node[font=\small] at (-38.571:2.07) {$b$};
  \node[font=\small] at (-64.286:2.07) {$d$};
  \node[font=\small] at (-90.000:2.07) {$f$};
  \node[font=\small] at (-115.714:2.07) {$d$};
  \node[font=\small] at (-141.429:2.07) {$g$};
  \node[font=\small] at (-167.143:2.07) {$e$};
  \node[font=\small] at (-192.857:2.07) {$g$};
  \node[font=\small] at (-218.571:2.07) {$c$};
  \node[font=\small] at (-244.286:2.07) {$f$};
  \node at (0,-2.50) {$K_1$};
\end{scope}
\begin{scope}[xshift=5.6cm]  % K_2 = a b a c e b d f d e g c g f
  \draw[triedge] (12.857:1.75) arc[start angle=12.857, end angle=-12.857, radius=1.75];  % triangle edge c-e
  \draw[triedge] (-141.429:1.75) arc[start angle=-141.429, end angle=-167.143, radius=1.75];  % triangle edge e-g
  \draw[triedge] (-192.857:1.75) arc[start angle=-192.857, end angle=-218.571, radius=1.75];  % triangle edge c-g
  \draw[line width=0.6pt] (0,0) circle (1.75);
  \draw[chord] (90.000:1.75) -- (38.571:1.75);  % chord a
  \draw[chord] (64.286:1.75) -- (-38.571:1.75);  % chord b
  \draw[tri] (12.857:1.75) -- (-192.857:1.75);  % chord c
  \draw[chord] (-64.286:1.75) -- (-115.714:1.75);  % chord d
  \draw[even] (-12.857:1.75) -- (-141.429:1.75);  % chord e
  \draw[chord] (-90.000:1.75) -- (-244.286:1.75);  % chord f
  \draw[tri] (-167.143:1.75) -- (-218.571:1.75);  % chord g
  \node[font=\small] at (90.000:2.07) {$a$};
  \node[font=\small] at (64.286:2.07) {$b$};
  \node[font=\small] at (38.571:2.07) {$a$};
  \node[font=\small] at (12.857:2.07) {$c$};
  \node[font=\small] at (-12.857:2.07) {$e$};
  \node[font=\small] at (-38.571:2.07) {$b$};
  \node[font=\small] at (-64.286:2.07) {$d$};
  \node[font=\small] at (-90.000:2.07) {$f$};
  \node[font=\small] at (-115.714:2.07) {$d$};
  \node[font=\small] at (-141.429:2.07) {$e$};
  \node[font=\small] at (-167.143:2.07) {$g$};
  \node[font=\small] at (-192.857:2.07) {$c$};
  \node[font=\small] at (-218.571:2.07) {$g$};
  \node[font=\small] at (-244.286:2.07) {$f$};
  \node at (0,-2.50) {$K_2$};
\end{scope}
\end{tikzpicture}
% END FIGURE
