%% 
%%  A DANTE-Edition example
%% 
%%  Example 02-14-1 on page 76.
%% 
%%  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{225.70511pt}
\setlength\parindent{0pt}



\begin{document}
\begin{tabular}{|*7{c|}}\hline
a1&b1&c1&d1&e1&f1&g1\\\hline
a2&\multicolumn{2}{l|}{b2}
  &d2&e2&f2&g2\\\hline
\multicolumn{3}{|l|}{a3}&d3&
\multicolumn{2}{l|}{e3}&g3\\\hline
\end{tabular}
\end{document}
