%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
%% 
%%  Beispiel 16-01-4 auf Seite 297.
%% 
%%  Copyright (C) 2016 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{193.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pst-tree}
%StopShownPreambleCommands
\begin{document}
\pstree{\Toval{Wurzel}}{%
  \pstree[treeflip]{\Tcircle{A}}{%
     \Tcircle{1}\Tcircle{2}
     \Tcircle{3}\Tcircle{4}
  }%
  \pstree[treeflip,
    treemode=R]{\Tcircle{B}}{%
     \Tcircle{1}\Tcircle{2}
     \Tcircle{3}\Tcircle{4}
}}
\end{document}