%%
%% The LaTeX Companion, 3ed
%%
%% Example A-3-6 on page II-663 in "LR boxes".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{183.0pt}
%StartShownPreambleCommands

%StopShownPreambleCommands

\begin{document}
\begin{flushleft}
x111x \raisebox{-1ex}{downward} x222x     \\
x333x \raisebox{1ex}{upward} x444x        \\[4mm]
x111x \raisebox{-1ex}[0cm][0cm]{downward} x222x\\
x333x \raisebox{1ex}[0cm]{upward} x444x
\end{flushleft}
\end{document}