\begin{tikzpicture}[scale=0.8]
  \small

  \draw ( 85pt,10pt)node[anchor=north east]{LSEQ} node[anchor=north
  west]{\NAME{}}--( 85pt, -110pt);

  \tiny

  \draw (0,0) -- (-70pt, -50pt);
  \draw (0,0) -- ( 70pt, -50pt);

  \draw[dashed,hide on=1,bold on=2] (0,0) -- node[anchor=east]{9}  (-35pt, -50pt);
  \draw[hide on=1-2,bold on=3] (0,0) -- node[anchor=west]{30} ( 35pt, -50pt);

  \draw[hide on=1-4,bold on=5][dashed] (35pt, -50pt) -- node[anchor=east]{7}
  (37pt, -100pt);
  \draw[hide on=1-4,bold on=5] (35pt, -50pt) --
  node[anchor=west]{63} (62pt, -100pt);

  \draw[fill=white] (0,0) circle (1pt);

  \draw[fill=white] (-70pt, -50pt) node[anchor=north]{Begin}
  node[anchor=south]{0} circle (1pt);

  \draw[fill=white] ( 70pt, -50pt) node[anchor=north]{End}
  node[anchor=south]{31} circle (1pt);

  \draw[fill=white,hide on=1, bold on=2] (-35pt, -50pt)
  node[anchor=north]{a} circle (1pt);
  \draw[fill=white, hide on=1-2, bold on=3] ( 35pt, -50pt)
  node[anchor=west]{b} circle (1pt);

  \filldraw[fill=white,hide on=1-4, bold on=5] (37pt, -100pt)
  node[anchor=east]{c} circle (1pt);
  \filldraw[fill=white,hide on=1-4, bold on=5] (62pt, -100pt)
  node[anchor=west]{d} circle (1pt);

  \draw[<->, hide on=1-3, bold on=4]
  (-30pt,-50pt) -- node[anchor=north]{20 ids}(30pt,-50pt);
  
  \draw[<->, hide on=1-4, bold on=5] (39pt,-100pt) --
  node[anchor=north]{55 ids}  (60pt,-100pt);

%% % % % %  %% %%% %% % % % % % %% % % % %%% %
  
  \draw (170pt,0pt) -- ( 100pt,-50pt);
  \draw (170pt,0pt) -- ( 240pt,-50pt);

  \draw[dashed,hide on=1-5, bold on=6] (170pt,0pt)--
  node[anchor=east]{9}(117pt,-50pt);
  \draw[hide on=1-6, bold on=7] (170pt, 0pt)--
  node[anchor=east]{10}  (153pt,-50pt);
  \draw[dashed,hide on=1-7,bold on=8] (170pt, 0pt)--
  node[anchor=west]{17} (187pt,-50pt);
  \draw[hide on=1-7, bold on=8] (170pt, 0pt) --
  node[anchor=west]{18} (223pt,-50pt);

  \draw[fill=white] (170pt,0) circle (1pt);

  \draw[fill=white] (100pt,-50pt)node[anchor=north]{Begin}
  node[anchor=south]{0} circle(1pt);

  \draw[fill=white] (240pt,-50pt)node[anchor=north]{End}
  node[anchor=south]{31}circle(1pt);



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  node[anchor=north]{a} circle (1pt);
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  node[anchor=north]{b} circle (1pt);
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  node[anchor=north]{c} circle (1pt);
  \draw[fill=white,hide on=1-7, bold on=8] (223pt,-50pt)
  node[anchor=north]{d} circle (1pt);

  \begin{scope}[shift={(170pt,-110pt)}]
    \draw[dashed] (0,0) -- (0.5,0) node[right]{Collaborator 1};
    \draw[yshift=-\baselineskip-2pt] (0,0) -- (0.5,0) node[right]{Collaborator
      2};
  \end{scope}  

\end{tikzpicture}

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