\begin{theindex}

\centerline{\bfseries ◆◆◆ Symbols ◆◆◆}\par\nobreak
  \item #\leaders\hbox{$\cdot$}\hfill 2000
  \item $\leaders\hbox{$\cdot$}\hfill 2001
  \item 2\leaders\hbox{$\cdot$}\hfill 1001
  \item 10\leaders\hbox{$\cdot$}\hfill 1000

  \indexspace

\centerline{\bfseries ◆◆◆ A ◆◆◆}\par\nobreak
  \item A\leaders\hbox{$\cdot$}\hfill 400
  \item a\leaders\hbox{$\cdot$}\hfill 401

  \indexspace

\centerline{\bfseries ◆◆◆ B ◆◆◆}\par\nobreak
  \item B\leaders\hbox{$\cdot$}\hfill 402
  \item b\leaders\hbox{$\cdot$}\hfill 403

  \indexspace

\centerline{\bfseries ◆◆◆ C ◆◆◆}\par\nobreak
  \item C\leaders\hbox{$\cdot$}\hfill 404
  \item c\leaders\hbox{$\cdot$}\hfill 405
  \item Ç\leaders\hbox{$\cdot$}\hfill 406
  \item ç\leaders\hbox{$\cdot$}\hfill 407
  \item Ch\leaders\hbox{$\cdot$}\hfill 420
  \item cha\leaders\hbox{$\cdot$}\hfill 421
  \item cz\leaders\hbox{$\cdot$}\hfill 422

  \indexspace

\centerline{\bfseries ◆◆◆ U ◆◆◆}\par\nobreak
  \item U\leaders\hbox{$\cdot$}\hfill 408
  \item u\leaders\hbox{$\cdot$}\hfill 409
  \item Ü\leaders\hbox{$\cdot$}\hfill 410
  \item ü\leaders\hbox{$\cdot$}\hfill 411

\end{theindex}