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A coloring of the Petersen graph

February 18, 2010

\begin{tikzpicture}[rotate=90]
  \GraphInit[vstyle=Hasse]
  \grPetersen[RA=3,RB=1.5]
  \AddVertexColor{red}{a0,b1,b2,a3}
  \AddVertexColor{green}{a1,b0,a4}
  \AddVertexColor{blue}{b4,b3,a2}
\end{tikzpicture}
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