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@@ -1,9 +1,9 @@
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\documentclass{article}
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\documentclass{article}
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\usepackage[pdftex,active,tightpage]{preview}
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\usepackage[pdftex,active,tightpage]{preview}
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\setlength\PreviewBorder{2mm}
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\setlength\PreviewBorder{2mm}
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-
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+
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\usepackage{tikz}
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\usepackage{tikz}
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-\usetikzlibrary{arrows,positioning, calc}
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+\usetikzlibrary{arrows,positioning, calc}
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\tikzstyle{vertex}=[draw,fill=black!15,circle,minimum size=20pt,inner sep=0pt]
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\tikzstyle{vertex}=[draw,fill=black!15,circle,minimum size=20pt,inner sep=0pt]
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\tikzstyle{selected edge} = [draw,line width=5pt,-,red!50]
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\tikzstyle{selected edge} = [draw,line width=5pt,-,red!50]
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Martin Thoma