%%
%% Ein Beispiel der DANTE-Edition
%%
%% 2. Auflage
%%
%% Beispiel 10-03-2 auf Seite 477.
%%
%% 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{169.16928pt}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[ngerman]{babel}
\pagestyle{empty}
%StartShownPreambleCommands
\makeatletter
\newcommand\Neu{\renewcommand\l@subsubsection{\@dottedtocline{3}{3.8em}{4.2em}}}
\makeatother
%StopShownPreambleCommands
\begin{document}
\tableofcontents
\clearpage
\setcounter{section}{10}
\setcounter{subsection}{11}
\section{foo}\newpage
\subsection{bar}\newpage
\section{baz}\newpage
\setcounter{subsection}{11} \subsection{foobar}\setcounter{subsubsection}{123}
\subsubsection{Problem}
\addtocontents{toc}{\protect\Neu}
\subsubsection{Kein Problem}% jetzt keine Probleme im Inhaltsverzeichnis
\end{document}