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- \documentclass[varwidth=true, border=2pt]{standalone}
- \usepackage{tikz}
- \usetikzlibrary{arrows,positioning}
- \tikzset{
- %Define standard arrow tip
- >=stealth',
- % Define arrow style
- pil/.style={->,thick}
- }
- \begin{document}
- \begin{tikzpicture}
- \node (a)[vertex] at (1,1) {};
- \node (b)[vertex] at (2,5) {};
- \node (c)[vertex] at (3,3) {};
- \node (d)[vertex] at (5,4) {};
- \node (e)[vertex] at (3,6) {};
- \node (f)[vertex] at (5,6) {};
- \node (g)[vertex] at (7,6) {};
- \node (h)[vertex] at (7,4) {};
- \node (i)[vertex] at (6,2) {};
- \node (j)[vertex] at (8,7) {};
- \node (k)[vertex] at (9,5) {};
- \node (l)[vertex] at (13,6) {};
- \node (m)[vertex] at (11,7) {};
- \node (n)[vertex] at (15,7) {};
- \node (o)[vertex] at (16,4) {};
- \node (p)[vertex] at (10,2) {};
- \node (q)[vertex] at (13,1) {};
- \node (r)[vertex] at (16,1) {};
- \node (s)[vertex] at (17,4) {};
- \node (t)[vertex] at (19,6) {};
- \node (u)[vertex] at (18,3) {};
- \node (v)[vertex] at (20,2) {};
- \node (w)[vertex] at (15,4) {};
- \foreach \from/\to in {a/c,c/b,c/d,d/f,f/g,g/h,h/d,d/g,h/f,i/k,k/j,k/l,l/m,m/n,n/o,o/t,t/v,v/u,s/r,o/q,q/p,u/t}
- \draw[line width=2pt] (\from) -- (\to);
- \end{tikzpicture}
- \end{document}
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