% 1. Definition of characteristic points

\figinit{1.5cm}

\def\cotei{2.23}

\figpt 3:(0,0)
\figpt 2:(\cotei,0)
\figptrot 1:=2/3,60/
\figptbary 4:=[1,2,3;1,1,2]
\figptbary 5:=[1,2,3;1,1,1]
\figptbary 6:=[2,3;1,1]
\figptbary 7:=[1,3;1,1]
\figptbary 8:=[1,2;1,1]

% 2. Creation of the graphical file

\figdrawbegin{}

\figset(dash=4)
\figdrawline[1,6]
\figdrawline[2,7]
\figdrawline[3,8]
\figset(dash=default)
\figdrawline[1,2,3,1]

\figdrawend

% 3. Writing text on the figure

\def\disti{3pt}

\figvisu{\figBoxA}{Figure 1}{%
\figwriten 1:$A$(\disti)
\figwritese 2:$B$(\disti)
\figwritesw 3:$C$(\disti)
\figwritec[4]{$\bullet$}
\figwritese 4:$G$(\disti)
\figwritene 8:$C'$(\disti)
}
\centerline{\box\figBoxA}