\begin{figure}
{\hskip 0.7in}
\begin{graph}(19,10)(2.5,1)
\newcommand{\node}[3]{%
\roundnode #1(#2,#3)[\graphlinecolour{1}]}

\node{Racine}{6.61875}{10}

\node{Fils}{6.61875}{9}

\node{L1n1}{6.61875}{8}

\node{L2n1}{2.455}{7}
\node{L2n2}{10.7825}{7}

\node{L3n1}{2.455}{6}
\node{L3n2}{8.24}{6}
\node{L3n3}{13.325}{6}

\node{L4n1}{0.86}{5}
\node{L4n2}{4.05}{5}
\node{L4n3}{8.24}{5}
\node{L4n4}{11.74}{5}
\node{L4n5}{14.91}{5}


\node{L5n1}{0.86}{4}
\node{L5n2}{3.08}{4}
\node{L5n3}{5.02}{4}
\node{L5n4}{7.24}{4}
\node{L5n5}{9.18}{4}
\node{L5n6}{11.74}{4}
\node{L5n7}{13.92}{4}
\node{L5n8}{15.9}{4}



\node{L6n1}{0.24}{3}
\node{L6n2}{1.48}{3}
\node{L6n3}{3.08}{3}
\node{L6n4}{4.4}{3}
\node{L6n5}{5.64}{3}
\node{L6n6}{7.24}{3}
\node{L6n7}{8.56}{3}
\node{L6n8}{9.8}{3}
\node{L6n9}{11.12}{3}
\node{L6n10}{12.36}{3}
\node{L6n11}{13.92}{3}
\node{L6n12}{15.28}{3}
\node{L6n13}{16.52}{3}





\node{L7n1}{0.24}{2}
\node{L7n2}{1.12}{2}
\node{L7n3}{1.84}{2}
\node{L7n4}{2.72}{2}
\node{L7n5}{3.44}{2}
\node{L7n6}{4.4}{2}
\node{L7n7}{5.28}{2}
\node{L7n8}{6}{2}
\node{L7n9}{6.88}{2}
\node{L7n10}{7.6}{2}
\node{L7n11}{8.56}{2}
\node{L7n12}{9.44}{2}
\node{L7n13}{10.16}{2}
\node{L7n14}{11.12}{2}
\node{L7n15}{12}{2}
\node{L7n16}{12.72}{2}
\node{L7n17}{13.6}{2}
\node{L7n18}{14.32}{2}
\node{L7n191}
\edge{L2n2}{L3n2}
\edge{L2n2}{L3n3}
\edgetext{L2n1}{L3n1}{2}
\edgetext{L2n2}{L3n2}{2}
\edgetext{L2n2}{L3n3}{4}

\edge{L3n1}{L4n1}
\edge{L3n1}{L4n2}
\edge{L3n2}{L4n3}
\edge{L3n3}{L4n4}
\edge{L3n3}{L4n5}
\edgetext{L3n1}{L4n1}{3}
\edgetext{L3n1}{L4n2}{3}
\edgetext{L3n2}{L4n3}{3}
\edgetext{L3n3}{L4n4}{3}
\edgetext{L3n3}{L4n5}{7}

\edge{L4n1}{L5n1}
\edge{L4n2}{L5n2}
\edge{L4n2}{L5n3}
\edge{L4n3}{L5n4}
\edge{L4n3}{L5n5}
\edge{L4n4}{L5n6}
\edge{L4n5}{L5n7}
\edge{L4n5}{L5n8}
\edgetext{L4n1}{L5n1}{3}
\edgetext{L4n2}{L5n2}{3}
\edgetext{L4n2}{L5n3}{5}
\edgetext{L4n3}{L5n4}{3}
\edgetext{L4n3}{L5n5}{5}
\edgetext{L4n4}{L5n6}{5}
\edgetext{L4n5}{L5n7}{5}
\edgetext{L4n5}{L5n8}{11}


\edge{L5n1}{L6n1}
\edge{L5n1}{L6n2}
\edge{L5n2}{L6n3}
\edge{L5n3}{L6n4}
\edge{L5n3}{L6n5}
\edge{L5n4}{L6n6}
\edge{L5n5}{L6n7}
\edge{L5n5}{L6n8}
\edge{L5n6}{L6n9}
\edge{L5n6}{L6n10}
\edge{L5n7}{L6n11}
\edge{L5n8}{L6n12}
\edge{L5n8}{L6n13}
\edgetext{L5n1}{L6n1}{4}
\edgetext{L5n1}{L6n2}{6}
\edgetext{L5n2}{L6n3}{2}
\edgetext{L5n3}{L6n4}{6}
\edgetext{L5n3}{L6n5}{8}
\edgetext{L5n4}{L6n6}{6}
\edgetext{L5n5}{L6n7}{2}
\edgetext{L5n5}{L6n8}{8}
\edgetext{L5n6}{L6n9}{6}
\edgetext{L5n6}{L6n10}{8}
\edgetext{L5n7}{L6n11}{8}
\edgetext{L5n8}{L6n12}{8}
\edgetext{L5n8}{L6n13}{18}


\edge{L6n1}{L7n1}
\edge{L6n2}{L7n2}
\edge{L6n2}{L7n3}
\edge{L6n3}{L7n4}
\edge{L6n3}{L7n5}
\edge{L6n4}{L7n6}
\edge{L6n5}{L7n7}
\edge{L6n5}{L7n8}
\edge{L6n6}{L7n9}
\edge{L6n6}{L7n10}
\edge{L6n7}{L7n11}
\edge{L6n8}{L7n12}
\edge{L6n8}{L7n13}
\edge{L6n9}{L7n14}
\edge{L6n10}{L7n15}
\edge{L6n10}{L7n16}
\edge{L6n11}{L7n17}
\edge{L6n11}{L7n18}
\edge{L6n12}{L7n19}
\edge{L6n13}{L7n20}
\edge{L6n13}{L7n21}
\edgetext{L6n1}{L7n1}{\footnotesize 5}
\edgetext{L6n2}{L7n2}{\footnotesize 5}
\edgetext{L6n2}{L7n3}{\footnotesize 9}
\edgetext{L6n3}{L7n4}{\footnotesize 5}
\edgetext{L6n3}{L7n5}{\footnotesize 5}
\edgetext{L6n4}{L7n6}{\footnotesize 5}
\edgetext{L6n5}{L7n7}{\footnotesize 9}
\edgetext{L6n5}{L7n8}{\footnotesize 13}
\edgetext{L6n6}{L7n9}{\footnotesize 5}
\edgetext{L6n6}{L7n10}{\footnotesize 9}
\edgetext{L6n7}{L7n11}{\footnotesize 5}
\edgetext{L6n8}{L7n12}{\footnotesize 5}
\edgetext{L6n8}{L7n13}{\footnotesize 13}
\edgetext{L6n9}{L7n14}{\footnotesize 9}
\edgetext{L6n10}{L7n15}{\footnotesize 5}
\edgetext{L6n10}{L7n16}{\footnotesize 13}
\edgetext{L6n11}{L7n17}{\footnotesize 9}
\edgetext{L6n11}{L7n18}{\footnotesize 13}
\edgetext{L6n12}{L7n19}{\footnotesize 13}
\edgetext{L6n13}{L7n20}{\footnotesize 13}
\edgetext{L6n13}{L7n21}{\footnotesize 29}


\end{graph}

\caption{The traces tree}
\end{figure}