%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 10-7-4 on page 711.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  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.
%% 

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{183.83385pt}
\StartShownPreambleCommands
\usepackage{createsudoku}
% previous example is needed as input

\StopShownPreambleCommands
\begin{document}
% Explicitly initialize the random
% generator to always get the same
% output. Comment out if you want to
% get different puzzles each time!
\setsudrandom{1682604876}
% do not typeset solution
\renewcommand\sudokusolve[1]{}
% produce the puzzle:
\generategrid[sud.out]
% print it (using printsudoku):
\cluefont{\small\sffamily}
\cellsize{1.2\baselineskip}
\sudoku{\genfile}
\end{document}