%% 
%%  A DANTE-Edition example
%% 
%%  Example 02-05-7 on page 49.
%% 
%%  Copyright (C) 2010 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[]{article}
\pagestyle{empty}
\setlength\textwidth{129.70511pt}
\setlength\parindent{0pt}

\usepackage{booktabs}

\begin{document}
\begin{tabular}{@{}cccc@{}}
one& two& three& four\\\cmidrule{1-2}\cmidrule{3-4}
one& two& three& four\\\cmidrule{1-1}\cmidrule{2-2}
                        \cmidrule{3-3}\cmidrule{4-4}
one& two& three& four\\\cmidrule(lr){1-2}\cmidrule(lr){3-4}
one& two& three& four\\\cmidrule(lr){1-1}\cmidrule(lr){2-2}
                        \cmidrule(lr){3-3}\cmidrule(lr){4-4}
one& two& three& four\\\cmidrule(r){1-2}\cmidrule(l){3-4}
one& two& three& four\\\cmidrule(r){1-1}\cmidrule(lr){2-2}
                        \cmidrule(lr){3-3}\cmidrule(l){4-4}
\end{tabular}
\end{document}

.
