\documentclass{scrartcl}
\usepackage[margin=2mm]{geometry}
\usepackage{polyglossia}
\setdefaultlanguage[spelling=new, babelshorthands=true]{german}
\usepackage{fontspec}
\setlength{\parindent}{0em}
\raggedright
\usepackage{tikz}
\tikzset{every picture/.style={scale=0.5}}

% Zeichne quadratisches Feld in Zeile #1 und Spalte #2 mit Inhalt #3.
\newcommand{\feld}[3]{\draw(#2,-#1) node {#3} +(-.5,-.5) rectangle +(.5,.5);}

% Beschrifte das #1-te Randfeld links und oben mit Inhalt #2.
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% Beschrifte oberes Randfeld in Zeile 0 und Spalte #1 mit Inhalt #2.
\newcommand{\linksoben}[1]{\path(0,0) node{#1};}

\begin{document}
\section*{Das Rechnen mit Resten modulo $n$ für Zahlen $n$ zwischen 2 und 22}

\subsection*{Verknüpfungstafeln für Addition $\oplus_n$ modulo $n$}

\begin{tikzpicture}
  \linksoben{$\oplus_{2}$}
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  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\oplus_{3}$}
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\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\oplus_{4}$}
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  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\oplus_{5}$}
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\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\oplus_{6}$}
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\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\oplus_{7}$}
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\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\oplus_{8}$}
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  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\oplus_{9}$}
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\quad
\begin{tikzpicture}
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\quad
\begin{tikzpicture}
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\quad
\begin{tikzpicture}
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\end{tikzpicture}
\quad
\begin{tikzpicture}
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\end{tikzpicture}
\quad
\begin{tikzpicture}
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\end{tikzpicture}
\quad
\begin{tikzpicture}
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\end{tikzpicture}
\quad
\begin{tikzpicture}
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\end{tikzpicture}
\quad
\begin{tikzpicture}
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\quad
\begin{tikzpicture}
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\quad
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  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
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\quad
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  \feld{21}{18}{15}
  \feld{21}{19}{16}
  \feld{21}{20}{17}
  \feld{21}{21}{18}
  \feld{21}{22}{19}
  \feld{22}{1}{21}
  \feld{22}{2}{0}
  \feld{22}{3}{1}
  \feld{22}{4}{2}
  \feld{22}{5}{3}
  \feld{22}{6}{4}
  \feld{22}{7}{5}
  \feld{22}{8}{6}
  \feld{22}{9}{7}
  \feld{22}{10}{8}
  \feld{22}{11}{9}
  \feld{22}{12}{10}
  \feld{22}{13}{11}
  \feld{22}{14}{12}
  \feld{22}{15}{13}
  \feld{22}{16}{14}
  \feld{22}{17}{15}
  \feld{22}{18}{16}
  \feld{22}{19}{17}
  \feld{22}{20}{18}
  \feld{22}{21}{19}
  \feld{22}{22}{20}
  \useasboundingbox (0,2);
\end{tikzpicture}
\quad

\newpage

\subsection*{Verknüpfungstafeln für Multiplikation $\otimes_n$ modulo $n$
für alle Reste modulo $n$\\
sowie eingeschränkt auf die zu $n$ teilerfremden Reste
(Verknüpfungstafel der Einheitengruppe modulo $n$)}

\begin{tikzpicture}
  \linksoben{$\otimes_{2}$}
  \rand{1}{0}
  \rand{2}{1}
  \feld{1}{1}{0}
  \feld{1}{2}{0}
  \feld{2}{1}{0}
  \feld{2}{2}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{2}$}
  \rand{1}{1}
  \feld{1}{1}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{3}$}
  \rand{1}{0}
  \rand{2}{1}
  \rand{3}{2}
  \feld{1}{1}{0}
  \feld{1}{2}{0}
  \feld{1}{3}{0}
  \feld{2}{1}{0}
  \feld{2}{2}{1}
  \feld{2}{3}{2}
  \feld{3}{1}{0}
  \feld{3}{2}{2}
  \feld{3}{3}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{3}$}
  \rand{1}{1}
  \rand{2}{2}
  \feld{1}{1}{1}
  \feld{1}{2}{2}
  \feld{2}{1}{2}
  \feld{2}{2}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{4}$}
  \rand{1}{0}
  \rand{2}{1}
  \rand{3}{2}
  \rand{4}{3}
  \feld{1}{1}{0}
  \feld{1}{2}{0}
  \feld{1}{3}{0}
  \feld{1}{4}{0}
  \feld{2}{1}{0}
  \feld{2}{2}{1}
  \feld{2}{3}{2}
  \feld{2}{4}{3}
  \feld{3}{1}{0}
  \feld{3}{2}{2}
  \feld{3}{3}{0}
  \feld{3}{4}{2}
  \feld{4}{1}{0}
  \feld{4}{2}{3}
  \feld{4}{3}{2}
  \feld{4}{4}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{4}$}
  \rand{1}{1}
  \rand{2}{3}
  \feld{1}{1}{1}
  \feld{1}{2}{3}
  \feld{2}{1}{3}
  \feld{2}{2}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{5}$}
  \rand{1}{0}
  \rand{2}{1}
  \rand{3}{2}
  \rand{4}{3}
  \rand{5}{4}
  \feld{1}{1}{0}
  \feld{1}{2}{0}
  \feld{1}{3}{0}
  \feld{1}{4}{0}
  \feld{1}{5}{0}
  \feld{2}{1}{0}
  \feld{2}{2}{1}
  \feld{2}{3}{2}
  \feld{2}{4}{3}
  \feld{2}{5}{4}
  \feld{3}{1}{0}
  \feld{3}{2}{2}
  \feld{3}{3}{4}
  \feld{3}{4}{1}
  \feld{3}{5}{3}
  \feld{4}{1}{0}
  \feld{4}{2}{3}
  \feld{4}{3}{1}
  \feld{4}{4}{4}
  \feld{4}{5}{2}
  \feld{5}{1}{0}
  \feld{5}{2}{4}
  \feld{5}{3}{3}
  \feld{5}{4}{2}
  \feld{5}{5}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{5}$}
  \rand{1}{1}
  \rand{2}{2}
  \rand{3}{3}
  \rand{4}{4}
  \feld{1}{1}{1}
  \feld{1}{2}{2}
  \feld{1}{3}{3}
  \feld{1}{4}{4}
  \feld{2}{1}{2}
  \feld{2}{2}{4}
  \feld{2}{3}{1}
  \feld{2}{4}{3}
  \feld{3}{1}{3}
  \feld{3}{2}{1}
  \feld{3}{3}{4}
  \feld{3}{4}{2}
  \feld{4}{1}{4}
  \feld{4}{2}{3}
  \feld{4}{3}{2}
  \feld{4}{4}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{6}$}
  \rand{1}{0}
  \rand{2}{1}
  \rand{3}{2}
  \rand{4}{3}
  \rand{5}{4}
  \rand{6}{5}
  \feld{1}{1}{0}
  \feld{1}{2}{0}
  \feld{1}{3}{0}
  \feld{1}{4}{0}
  \feld{1}{5}{0}
  \feld{1}{6}{0}
  \feld{2}{1}{0}
  \feld{2}{2}{1}
  \feld{2}{3}{2}
  \feld{2}{4}{3}
  \feld{2}{5}{4}
  \feld{2}{6}{5}
  \feld{3}{1}{0}
  \feld{3}{2}{2}
  \feld{3}{3}{4}
  \feld{3}{4}{0}
  \feld{3}{5}{2}
  \feld{3}{6}{4}
  \feld{4}{1}{0}
  \feld{4}{2}{3}
  \feld{4}{3}{0}
  \feld{4}{4}{3}
  \feld{4}{5}{0}
  \feld{4}{6}{3}
  \feld{5}{1}{0}
  \feld{5}{2}{4}
  \feld{5}{3}{2}
  \feld{5}{4}{0}
  \feld{5}{5}{4}
  \feld{5}{6}{2}
  \feld{6}{1}{0}
  \feld{6}{2}{5}
  \feld{6}{3}{4}
  \feld{6}{4}{3}
  \feld{6}{5}{2}
  \feld{6}{6}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{6}$}
  \rand{1}{1}
  \rand{2}{5}
  \feld{1}{1}{1}
  \feld{1}{2}{5}
  \feld{2}{1}{5}
  \feld{2}{2}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{7}$}
  \rand{1}{0}
  \rand{2}{1}
  \rand{3}{2}
  \rand{4}{3}
  \rand{5}{4}
  \rand{6}{5}
  \rand{7}{6}
  \feld{1}{1}{0}
  \feld{1}{2}{0}
  \feld{1}{3}{0}
  \feld{1}{4}{0}
  \feld{1}{5}{0}
  \feld{1}{6}{0}
  \feld{1}{7}{0}
  \feld{2}{1}{0}
  \feld{2}{2}{1}
  \feld{2}{3}{2}
  \feld{2}{4}{3}
  \feld{2}{5}{4}
  \feld{2}{6}{5}
  \feld{2}{7}{6}
  \feld{3}{1}{0}
  \feld{3}{2}{2}
  \feld{3}{3}{4}
  \feld{3}{4}{6}
  \feld{3}{5}{1}
  \feld{3}{6}{3}
  \feld{3}{7}{5}
  \feld{4}{1}{0}
  \feld{4}{2}{3}
  \feld{4}{3}{6}
  \feld{4}{4}{2}
  \feld{4}{5}{5}
  \feld{4}{6}{1}
  \feld{4}{7}{4}
  \feld{5}{1}{0}
  \feld{5}{2}{4}
  \feld{5}{3}{1}
  \feld{5}{4}{5}
  \feld{5}{5}{2}
  \feld{5}{6}{6}
  \feld{5}{7}{3}
  \feld{6}{1}{0}
  \feld{6}{2}{5}
  \feld{6}{3}{3}
  \feld{6}{4}{1}
  \feld{6}{5}{6}
  \feld{6}{6}{4}
  \feld{6}{7}{2}
  \feld{7}{1}{0}
  \feld{7}{2}{6}
  \feld{7}{3}{5}
  \feld{7}{4}{4}
  \feld{7}{5}{3}
  \feld{7}{6}{2}
  \feld{7}{7}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{7}$}
  \rand{1}{1}
  \rand{2}{2}
  \rand{3}{3}
  \rand{4}{4}
  \rand{5}{5}
  \rand{6}{6}
  \feld{1}{1}{1}
  \feld{1}{2}{2}
  \feld{1}{3}{3}
  \feld{1}{4}{4}
  \feld{1}{5}{5}
  \feld{1}{6}{6}
  \feld{2}{1}{2}
  \feld{2}{2}{4}
  \feld{2}{3}{6}
  \feld{2}{4}{1}
  \feld{2}{5}{3}
  \feld{2}{6}{5}
  \feld{3}{1}{3}
  \feld{3}{2}{6}
  \feld{3}{3}{2}
  \feld{3}{4}{5}
  \feld{3}{5}{1}
  \feld{3}{6}{4}
  \feld{4}{1}{4}
  \feld{4}{2}{1}
  \feld{4}{3}{5}
  \feld{4}{4}{2}
  \feld{4}{5}{6}
  \feld{4}{6}{3}
  \feld{5}{1}{5}
  \feld{5}{2}{3}
  \feld{5}{3}{1}
  \feld{5}{4}{6}
  \feld{5}{5}{4}
  \feld{5}{6}{2}
  \feld{6}{1}{6}
  \feld{6}{2}{5}
  \feld{6}{3}{4}
  \feld{6}{4}{3}
  \feld{6}{5}{2}
  \feld{6}{6}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{8}$}
  \rand{1}{0}
  \rand{2}{1}
  \rand{3}{2}
  \rand{4}{3}
  \rand{5}{4}
  \rand{6}{5}
  \rand{7}{6}
  \rand{8}{7}
  \feld{1}{1}{0}
  \feld{1}{2}{0}
  \feld{1}{3}{0}
  \feld{1}{4}{0}
  \feld{1}{5}{0}
  \feld{1}{6}{0}
  \feld{1}{7}{0}
  \feld{1}{8}{0}
  \feld{2}{1}{0}
  \feld{2}{2}{1}
  \feld{2}{3}{2}
  \feld{2}{4}{3}
  \feld{2}{5}{4}
  \feld{2}{6}{5}
  \feld{2}{7}{6}
  \feld{2}{8}{7}
  \feld{3}{1}{0}
  \feld{3}{2}{2}
  \feld{3}{3}{4}
  \feld{3}{4}{6}
  \feld{3}{5}{0}
  \feld{3}{6}{2}
  \feld{3}{7}{4}
  \feld{3}{8}{6}
  \feld{4}{1}{0}
  \feld{4}{2}{3}
  \feld{4}{3}{6}
  \feld{4}{4}{1}
  \feld{4}{5}{4}
  \feld{4}{6}{7}
  \feld{4}{7}{2}
  \feld{4}{8}{5}
  \feld{5}{1}{0}
  \feld{5}{2}{4}
  \feld{5}{3}{0}
  \feld{5}{4}{4}
  \feld{5}{5}{0}
  \feld{5}{6}{4}
  \feld{5}{7}{0}
  \feld{5}{8}{4}
  \feld{6}{1}{0}
  \feld{6}{2}{5}
  \feld{6}{3}{2}
  \feld{6}{4}{7}
  \feld{6}{5}{4}
  \feld{6}{6}{1}
  \feld{6}{7}{6}
  \feld{6}{8}{3}
  \feld{7}{1}{0}
  \feld{7}{2}{6}
  \feld{7}{3}{4}
  \feld{7}{4}{2}
  \feld{7}{5}{0}
  \feld{7}{6}{6}
  \feld{7}{7}{4}
  \feld{7}{8}{2}
  \feld{8}{1}{0}
  \feld{8}{2}{7}
  \feld{8}{3}{6}
  \feld{8}{4}{5}
  \feld{8}{5}{4}
  \feld{8}{6}{3}
  \feld{8}{7}{2}
  \feld{8}{8}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{8}$}
  \rand{1}{1}
  \rand{2}{3}
  \rand{3}{5}
  \rand{4}{7}
  \feld{1}{1}{1}
  \feld{1}{2}{3}
  \feld{1}{3}{5}
  \feld{1}{4}{7}
  \feld{2}{1}{3}
  \feld{2}{2}{1}
  \feld{2}{3}{7}
  \feld{2}{4}{5}
  \feld{3}{1}{5}
  \feld{3}{2}{7}
  \feld{3}{3}{1}
  \feld{3}{4}{3}
  \feld{4}{1}{7}
  \feld{4}{2}{5}
  \feld{4}{3}{3}
  \feld{4}{4}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{9}$}
  \rand{1}{0}
  \rand{2}{1}
  \rand{3}{2}
  \rand{4}{3}
  \rand{5}{4}
  \rand{6}{5}
  \rand{7}{6}
  \rand{8}{7}
  \rand{9}{8}
  \feld{1}{1}{0}
  \feld{1}{2}{0}
  \feld{1}{3}{0}
  \feld{1}{4}{0}
  \feld{1}{5}{0}
  \feld{1}{6}{0}
  \feld{1}{7}{0}
  \feld{1}{8}{0}
  \feld{1}{9}{0}
  \feld{2}{1}{0}
  \feld{2}{2}{1}
  \feld{2}{3}{2}
  \feld{2}{4}{3}
  \feld{2}{5}{4}
  \feld{2}{6}{5}
  \feld{2}{7}{6}
  \feld{2}{8}{7}
  \feld{2}{9}{8}
  \feld{3}{1}{0}
  \feld{3}{2}{2}
  \feld{3}{3}{4}
  \feld{3}{4}{6}
  \feld{3}{5}{8}
  \feld{3}{6}{1}
  \feld{3}{7}{3}
  \feld{3}{8}{5}
  \feld{3}{9}{7}
  \feld{4}{1}{0}
  \feld{4}{2}{3}
  \feld{4}{3}{6}
  \feld{4}{4}{0}
  \feld{4}{5}{3}
  \feld{4}{6}{6}
  \feld{4}{7}{0}
  \feld{4}{8}{3}
  \feld{4}{9}{6}
  \feld{5}{1}{0}
  \feld{5}{2}{4}
  \feld{5}{3}{8}
  \feld{5}{4}{3}
  \feld{5}{5}{7}
  \feld{5}{6}{2}
  \feld{5}{7}{6}
  \feld{5}{8}{1}
  \feld{5}{9}{5}
  \feld{6}{1}{0}
  \feld{6}{2}{5}
  \feld{6}{3}{1}
  \feld{6}{4}{6}
  \feld{6}{5}{2}
  \feld{6}{6}{7}
  \feld{6}{7}{3}
  \feld{6}{8}{8}
  \feld{6}{9}{4}
  \feld{7}{1}{0}
  \feld{7}{2}{6}
  \feld{7}{3}{3}
  \feld{7}{4}{0}
  \feld{7}{5}{6}
  \feld{7}{6}{3}
  \feld{7}{7}{0}
  \feld{7}{8}{6}
  \feld{7}{9}{3}
  \feld{8}{1}{0}
  \feld{8}{2}{7}
  \feld{8}{3}{5}
  \feld{8}{4}{3}
  \feld{8}{5}{1}
  \feld{8}{6}{8}
  \feld{8}{7}{6}
  \feld{8}{8}{4}
  \feld{8}{9}{2}
  \feld{9}{1}{0}
  \feld{9}{2}{8}
  \feld{9}{3}{7}
  \feld{9}{4}{6}
  \feld{9}{5}{5}
  \feld{9}{6}{4}
  \feld{9}{7}{3}
  \feld{9}{8}{2}
  \feld{9}{9}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{9}$}
  \rand{1}{1}
  \rand{2}{2}
  \rand{3}{4}
  \rand{4}{5}
  \rand{5}{7}
  \rand{6}{8}
  \feld{1}{1}{1}
  \feld{1}{2}{2}
  \feld{1}{3}{4}
  \feld{1}{4}{5}
  \feld{1}{5}{7}
  \feld{1}{6}{8}
  \feld{2}{1}{2}
  \feld{2}{2}{4}
  \feld{2}{3}{8}
  \feld{2}{4}{1}
  \feld{2}{5}{5}
  \feld{2}{6}{7}
  \feld{3}{1}{4}
  \feld{3}{2}{8}
  \feld{3}{3}{7}
  \feld{3}{4}{2}
  \feld{3}{5}{1}
  \feld{3}{6}{5}
  \feld{4}{1}{5}
  \feld{4}{2}{1}
  \feld{4}{3}{2}
  \feld{4}{4}{7}
  \feld{4}{5}{8}
  \feld{4}{6}{4}
  \feld{5}{1}{7}
  \feld{5}{2}{5}
  \feld{5}{3}{1}
  \feld{5}{4}{8}
  \feld{5}{5}{4}
  \feld{5}{6}{2}
  \feld{6}{1}{8}
  \feld{6}{2}{7}
  \feld{6}{3}{5}
  \feld{6}{4}{4}
  \feld{6}{5}{2}
  \feld{6}{6}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{10}$}
  \rand{1}{0}
  \rand{2}{1}
  \rand{3}{2}
  \rand{4}{3}
  \rand{5}{4}
  \rand{6}{5}
  \rand{7}{6}
  \rand{8}{7}
  \rand{9}{8}
  \rand{10}{9}
  \feld{1}{1}{0}
  \feld{1}{2}{0}
  \feld{1}{3}{0}
  \feld{1}{4}{0}
  \feld{1}{5}{0}
  \feld{1}{6}{0}
  \feld{1}{7}{0}
  \feld{1}{8}{0}
  \feld{1}{9}{0}
  \feld{1}{10}{0}
  \feld{2}{1}{0}
  \feld{2}{2}{1}
  \feld{2}{3}{2}
  \feld{2}{4}{3}
  \feld{2}{5}{4}
  \feld{2}{6}{5}
  \feld{2}{7}{6}
  \feld{2}{8}{7}
  \feld{2}{9}{8}
  \feld{2}{10}{9}
  \feld{3}{1}{0}
  \feld{3}{2}{2}
  \feld{3}{3}{4}
  \feld{3}{4}{6}
  \feld{3}{5}{8}
  \feld{3}{6}{0}
  \feld{3}{7}{2}
  \feld{3}{8}{4}
  \feld{3}{9}{6}
  \feld{3}{10}{8}
  \feld{4}{1}{0}
  \feld{4}{2}{3}
  \feld{4}{3}{6}
  \feld{4}{4}{9}
  \feld{4}{5}{2}
  \feld{4}{6}{5}
  \feld{4}{7}{8}
  \feld{4}{8}{1}
  \feld{4}{9}{4}
  \feld{4}{10}{7}
  \feld{5}{1}{0}
  \feld{5}{2}{4}
  \feld{5}{3}{8}
  \feld{5}{4}{2}
  \feld{5}{5}{6}
  \feld{5}{6}{0}
  \feld{5}{7}{4}
  \feld{5}{8}{8}
  \feld{5}{9}{2}
  \feld{5}{10}{6}
  \feld{6}{1}{0}
  \feld{6}{2}{5}
  \feld{6}{3}{0}
  \feld{6}{4}{5}
  \feld{6}{5}{0}
  \feld{6}{6}{5}
  \feld{6}{7}{0}
  \feld{6}{8}{5}
  \feld{6}{9}{0}
  \feld{6}{10}{5}
  \feld{7}{1}{0}
  \feld{7}{2}{6}
  \feld{7}{3}{2}
  \feld{7}{4}{8}
  \feld{7}{5}{4}
  \feld{7}{6}{0}
  \feld{7}{7}{6}
  \feld{7}{8}{2}
  \feld{7}{9}{8}
  \feld{7}{10}{4}
  \feld{8}{1}{0}
  \feld{8}{2}{7}
  \feld{8}{3}{4}
  \feld{8}{4}{1}
  \feld{8}{5}{8}
  \feld{8}{6}{5}
  \feld{8}{7}{2}
  \feld{8}{8}{9}
  \feld{8}{9}{6}
  \feld{8}{10}{3}
  \feld{9}{1}{0}
  \feld{9}{2}{8}
  \feld{9}{3}{6}
  \feld{9}{4}{4}
  \feld{9}{5}{2}
  \feld{9}{6}{0}
  \feld{9}{7}{8}
  \feld{9}{8}{6}
  \feld{9}{9}{4}
  \feld{9}{10}{2}
  \feld{10}{1}{0}
  \feld{10}{2}{9}
  \feld{10}{3}{8}
  \feld{10}{4}{7}
  \feld{10}{5}{6}
  \feld{10}{6}{5}
  \feld{10}{7}{4}
  \feld{10}{8}{3}
  \feld{10}{9}{2}
  \feld{10}{10}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{10}$}
  \rand{1}{1}
  \rand{2}{3}
  \rand{3}{7}
  \rand{4}{9}
  \feld{1}{1}{1}
  \feld{1}{2}{3}
  \feld{1}{3}{7}
  \feld{1}{4}{9}
  \feld{2}{1}{3}
  \feld{2}{2}{9}
  \feld{2}{3}{1}
  \feld{2}{4}{7}
  \feld{3}{1}{7}
  \feld{3}{2}{1}
  \feld{3}{3}{9}
  \feld{3}{4}{3}
  \feld{4}{1}{9}
  \feld{4}{2}{7}
  \feld{4}{3}{3}
  \feld{4}{4}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{11}$}
  \rand{1}{0}
  \rand{2}{1}
  \rand{3}{2}
  \rand{4}{3}
  \rand{5}{4}
  \rand{6}{5}
  \rand{7}{6}
  \rand{8}{7}
  \rand{9}{8}
  \rand{10}{9}
  \rand{11}{10}
  \feld{1}{1}{0}
  \feld{1}{2}{0}
  \feld{1}{3}{0}
  \feld{1}{4}{0}
  \feld{1}{5}{0}
  \feld{1}{6}{0}
  \feld{1}{7}{0}
  \feld{1}{8}{0}
  \feld{1}{9}{0}
  \feld{1}{10}{0}
  \feld{1}{11}{0}
  \feld{2}{1}{0}
  \feld{2}{2}{1}
  \feld{2}{3}{2}
  \feld{2}{4}{3}
  \feld{2}{5}{4}
  \feld{2}{6}{5}
  \feld{2}{7}{6}
  \feld{2}{8}{7}
  \feld{2}{9}{8}
  \feld{2}{10}{9}
  \feld{2}{11}{10}
  \feld{3}{1}{0}
  \feld{3}{2}{2}
  \feld{3}{3}{4}
  \feld{3}{4}{6}
  \feld{3}{5}{8}
  \feld{3}{6}{10}
  \feld{3}{7}{1}
  \feld{3}{8}{3}
  \feld{3}{9}{5}
  \feld{3}{10}{7}
  \feld{3}{11}{9}
  \feld{4}{1}{0}
  \feld{4}{2}{3}
  \feld{4}{3}{6}
  \feld{4}{4}{9}
  \feld{4}{5}{1}
  \feld{4}{6}{4}
  \feld{4}{7}{7}
  \feld{4}{8}{10}
  \feld{4}{9}{2}
  \feld{4}{10}{5}
  \feld{4}{11}{8}
  \feld{5}{1}{0}
  \feld{5}{2}{4}
  \feld{5}{3}{8}
  \feld{5}{4}{1}
  \feld{5}{5}{5}
  \feld{5}{6}{9}
  \feld{5}{7}{2}
  \feld{5}{8}{6}
  \feld{5}{9}{10}
  \feld{5}{10}{3}
  \feld{5}{11}{7}
  \feld{6}{1}{0}
  \feld{6}{2}{5}
  \feld{6}{3}{10}
  \feld{6}{4}{4}
  \feld{6}{5}{9}
  \feld{6}{6}{3}
  \feld{6}{7}{8}
  \feld{6}{8}{2}
  \feld{6}{9}{7}
  \feld{6}{10}{1}
  \feld{6}{11}{6}
  \feld{7}{1}{0}
  \feld{7}{2}{6}
  \feld{7}{3}{1}
  \feld{7}{4}{7}
  \feld{7}{5}{2}
  \feld{7}{6}{8}
  \feld{7}{7}{3}
  \feld{7}{8}{9}
  \feld{7}{9}{4}
  \feld{7}{10}{10}
  \feld{7}{11}{5}
  \feld{8}{1}{0}
  \feld{8}{2}{7}
  \feld{8}{3}{3}
  \feld{8}{4}{10}
  \feld{8}{5}{6}
  \feld{8}{6}{2}
  \feld{8}{7}{9}
  \feld{8}{8}{5}
  \feld{8}{9}{1}
  \feld{8}{10}{8}
  \feld{8}{11}{4}
  \feld{9}{1}{0}
  \feld{9}{2}{8}
  \feld{9}{3}{5}
  \feld{9}{4}{2}
  \feld{9}{5}{10}
  \feld{9}{6}{7}
  \feld{9}{7}{4}
  \feld{9}{8}{1}
  \feld{9}{9}{9}
  \feld{9}{10}{6}
  \feld{9}{11}{3}
  \feld{10}{1}{0}
  \feld{10}{2}{9}
  \feld{10}{3}{7}
  \feld{10}{4}{5}
  \feld{10}{5}{3}
  \feld{10}{6}{1}
  \feld{10}{7}{10}
  \feld{10}{8}{8}
  \feld{10}{9}{6}
  \feld{10}{10}{4}
  \feld{10}{11}{2}
  \feld{11}{1}{0}
  \feld{11}{2}{10}
  \feld{11}{3}{9}
  \feld{11}{4}{8}
  \feld{11}{5}{7}
  \feld{11}{6}{6}
  \feld{11}{7}{5}
  \feld{11}{8}{4}
  \feld{11}{9}{3}
  \feld{11}{10}{2}
  \feld{11}{11}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{11}$}
  \rand{1}{1}
  \rand{2}{2}
  \rand{3}{3}
  \rand{4}{4}
  \rand{5}{5}
  \rand{6}{6}
  \rand{7}{7}
  \rand{8}{8}
  \rand{9}{9}
  \rand{10}{10}
  \feld{1}{1}{1}
  \feld{1}{2}{2}
  \feld{1}{3}{3}
  \feld{1}{4}{4}
  \feld{1}{5}{5}
  \feld{1}{6}{6}
  \feld{1}{7}{7}
  \feld{1}{8}{8}
  \feld{1}{9}{9}
  \feld{1}{10}{10}
  \feld{2}{1}{2}
  \feld{2}{2}{4}
  \feld{2}{3}{6}
  \feld{2}{4}{8}
  \feld{2}{5}{10}
  \feld{2}{6}{1}
  \feld{2}{7}{3}
  \feld{2}{8}{5}
  \feld{2}{9}{7}
  \feld{2}{10}{9}
  \feld{3}{1}{3}
  \feld{3}{2}{6}
  \feld{3}{3}{9}
  \feld{3}{4}{1}
  \feld{3}{5}{4}
  \feld{3}{6}{7}
  \feld{3}{7}{10}
  \feld{3}{8}{2}
  \feld{3}{9}{5}
  \feld{3}{10}{8}
  \feld{4}{1}{4}
  \feld{4}{2}{8}
  \feld{4}{3}{1}
  \feld{4}{4}{5}
  \feld{4}{5}{9}
  \feld{4}{6}{2}
  \feld{4}{7}{6}
  \feld{4}{8}{10}
  \feld{4}{9}{3}
  \feld{4}{10}{7}
  \feld{5}{1}{5}
  \feld{5}{2}{10}
  \feld{5}{3}{4}
  \feld{5}{4}{9}
  \feld{5}{5}{3}
  \feld{5}{6}{8}
  \feld{5}{7}{2}
  \feld{5}{8}{7}
  \feld{5}{9}{1}
  \feld{5}{10}{6}
  \feld{6}{1}{6}
  \feld{6}{2}{1}
  \feld{6}{3}{7}
  \feld{6}{4}{2}
  \feld{6}{5}{8}
  \feld{6}{6}{3}
  \feld{6}{7}{9}
  \feld{6}{8}{4}
  \feld{6}{9}{10}
  \feld{6}{10}{5}
  \feld{7}{1}{7}
  \feld{7}{2}{3}
  \feld{7}{3}{10}
  \feld{7}{4}{6}
  \feld{7}{5}{2}
  \feld{7}{6}{9}
  \feld{7}{7}{5}
  \feld{7}{8}{1}
  \feld{7}{9}{8}
  \feld{7}{10}{4}
  \feld{8}{1}{8}
  \feld{8}{2}{5}
  \feld{8}{3}{2}
  \feld{8}{4}{10}
  \feld{8}{5}{7}
  \feld{8}{6}{4}
  \feld{8}{7}{1}
  \feld{8}{8}{9}
  \feld{8}{9}{6}
  \feld{8}{10}{3}
  \feld{9}{1}{9}
  \feld{9}{2}{7}
  \feld{9}{3}{5}
  \feld{9}{4}{3}
  \feld{9}{5}{1}
  \feld{9}{6}{10}
  \feld{9}{7}{8}
  \feld{9}{8}{6}
  \feld{9}{9}{4}
  \feld{9}{10}{2}
  \feld{10}{1}{10}
  \feld{10}{2}{9}
  \feld{10}{3}{8}
  \feld{10}{4}{7}
  \feld{10}{5}{6}
  \feld{10}{6}{5}
  \feld{10}{7}{4}
  \feld{10}{8}{3}
  \feld{10}{9}{2}
  \feld{10}{10}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{12}$}
  \rand{1}{0}
  \rand{2}{1}
  \rand{3}{2}
  \rand{4}{3}
  \rand{5}{4}
  \rand{6}{5}
  \rand{7}{6}
  \rand{8}{7}
  \rand{9}{8}
  \rand{10}{9}
  \rand{11}{10}
  \rand{12}{11}
  \feld{1}{1}{0}
  \feld{1}{2}{0}
  \feld{1}{3}{0}
  \feld{1}{4}{0}
  \feld{1}{5}{0}
  \feld{1}{6}{0}
  \feld{1}{7}{0}
  \feld{1}{8}{0}
  \feld{1}{9}{0}
  \feld{1}{10}{0}
  \feld{1}{11}{0}
  \feld{1}{12}{0}
  \feld{2}{1}{0}
  \feld{2}{2}{1}
  \feld{2}{3}{2}
  \feld{2}{4}{3}
  \feld{2}{5}{4}
  \feld{2}{6}{5}
  \feld{2}{7}{6}
  \feld{2}{8}{7}
  \feld{2}{9}{8}
  \feld{2}{10}{9}
  \feld{2}{11}{10}
  \feld{2}{12}{11}
  \feld{3}{1}{0}
  \feld{3}{2}{2}
  \feld{3}{3}{4}
  \feld{3}{4}{6}
  \feld{3}{5}{8}
  \feld{3}{6}{10}
  \feld{3}{7}{0}
  \feld{3}{8}{2}
  \feld{3}{9}{4}
  \feld{3}{10}{6}
  \feld{3}{11}{8}
  \feld{3}{12}{10}
  \feld{4}{1}{0}
  \feld{4}{2}{3}
  \feld{4}{3}{6}
  \feld{4}{4}{9}
  \feld{4}{5}{0}
  \feld{4}{6}{3}
  \feld{4}{7}{6}
  \feld{4}{8}{9}
  \feld{4}{9}{0}
  \feld{4}{10}{3}
  \feld{4}{11}{6}
  \feld{4}{12}{9}
  \feld{5}{1}{0}
  \feld{5}{2}{4}
  \feld{5}{3}{8}
  \feld{5}{4}{0}
  \feld{5}{5}{4}
  \feld{5}{6}{8}
  \feld{5}{7}{0}
  \feld{5}{8}{4}
  \feld{5}{9}{8}
  \feld{5}{10}{0}
  \feld{5}{11}{4}
  \feld{5}{12}{8}
  \feld{6}{1}{0}
  \feld{6}{2}{5}
  \feld{6}{3}{10}
  \feld{6}{4}{3}
  \feld{6}{5}{8}
  \feld{6}{6}{1}
  \feld{6}{7}{6}
  \feld{6}{8}{11}
  \feld{6}{9}{4}
  \feld{6}{10}{9}
  \feld{6}{11}{2}
  \feld{6}{12}{7}
  \feld{7}{1}{0}
  \feld{7}{2}{6}
  \feld{7}{3}{0}
  \feld{7}{4}{6}
  \feld{7}{5}{0}
  \feld{7}{6}{6}
  \feld{7}{7}{0}
  \feld{7}{8}{6}
  \feld{7}{9}{0}
  \feld{7}{10}{6}
  \feld{7}{11}{0}
  \feld{7}{12}{6}
  \feld{8}{1}{0}
  \feld{8}{2}{7}
  \feld{8}{3}{2}
  \feld{8}{4}{9}
  \feld{8}{5}{4}
  \feld{8}{6}{11}
  \feld{8}{7}{6}
  \feld{8}{8}{1}
  \feld{8}{9}{8}
  \feld{8}{10}{3}
  \feld{8}{11}{10}
  \feld{8}{12}{5}
  \feld{9}{1}{0}
  \feld{9}{2}{8}
  \feld{9}{3}{4}
  \feld{9}{4}{0}
  \feld{9}{5}{8}
  \feld{9}{6}{4}
  \feld{9}{7}{0}
  \feld{9}{8}{8}
  \feld{9}{9}{4}
  \feld{9}{10}{0}
  \feld{9}{11}{8}
  \feld{9}{12}{4}
  \feld{10}{1}{0}
  \feld{10}{2}{9}
  \feld{10}{3}{6}
  \feld{10}{4}{3}
  \feld{10}{5}{0}
  \feld{10}{6}{9}
  \feld{10}{7}{6}
  \feld{10}{8}{3}
  \feld{10}{9}{0}
  \feld{10}{10}{9}
  \feld{10}{11}{6}
  \feld{10}{12}{3}
  \feld{11}{1}{0}
  \feld{11}{2}{10}
  \feld{11}{3}{8}
  \feld{11}{4}{6}
  \feld{11}{5}{4}
  \feld{11}{6}{2}
  \feld{11}{7}{0}
  \feld{11}{8}{10}
  \feld{11}{9}{8}
  \feld{11}{10}{6}
  \feld{11}{11}{4}
  \feld{11}{12}{2}
  \feld{12}{1}{0}
  \feld{12}{2}{11}
  \feld{12}{3}{10}
  \feld{12}{4}{9}
  \feld{12}{5}{8}
  \feld{12}{6}{7}
  \feld{12}{7}{6}
  \feld{12}{8}{5}
  \feld{12}{9}{4}
  \feld{12}{10}{3}
  \feld{12}{11}{2}
  \feld{12}{12}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{12}$}
  \rand{1}{1}
  \rand{2}{5}
  \rand{3}{7}
  \rand{4}{11}
  \feld{1}{1}{1}
  \feld{1}{2}{5}
  \feld{1}{3}{7}
  \feld{1}{4}{11}
  \feld{2}{1}{5}
  \feld{2}{2}{1}
  \feld{2}{3}{11}
  \feld{2}{4}{7}
  \feld{3}{1}{7}
  \feld{3}{2}{11}
  \feld{3}{3}{1}
  \feld{3}{4}{5}
  \feld{4}{1}{11}
  \feld{4}{2}{7}
  \feld{4}{3}{5}
  \feld{4}{4}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{13}$}
  \rand{1}{0}
  \rand{2}{1}
  \rand{3}{2}
  \rand{4}{3}
  \rand{5}{4}
  \rand{6}{5}
  \rand{7}{6}
  \rand{8}{7}
  \rand{9}{8}
  \rand{10}{9}
  \rand{11}{10}
  \rand{12}{11}
  \rand{13}{12}
  \feld{1}{1}{0}
  \feld{1}{2}{0}
  \feld{1}{3}{0}
  \feld{1}{4}{0}
  \feld{1}{5}{0}
  \feld{1}{6}{0}
  \feld{1}{7}{0}
  \feld{1}{8}{0}
  \feld{1}{9}{0}
  \feld{1}{10}{0}
  \feld{1}{11}{0}
  \feld{1}{12}{0}
  \feld{1}{13}{0}
  \feld{2}{1}{0}
  \feld{2}{2}{1}
  \feld{2}{3}{2}
  \feld{2}{4}{3}
  \feld{2}{5}{4}
  \feld{2}{6}{5}
  \feld{2}{7}{6}
  \feld{2}{8}{7}
  \feld{2}{9}{8}
  \feld{2}{10}{9}
  \feld{2}{11}{10}
  \feld{2}{12}{11}
  \feld{2}{13}{12}
  \feld{3}{1}{0}
  \feld{3}{2}{2}
  \feld{3}{3}{4}
  \feld{3}{4}{6}
  \feld{3}{5}{8}
  \feld{3}{6}{10}
  \feld{3}{7}{12}
  \feld{3}{8}{1}
  \feld{3}{9}{3}
  \feld{3}{10}{5}
  \feld{3}{11}{7}
  \feld{3}{12}{9}
  \feld{3}{13}{11}
  \feld{4}{1}{0}
  \feld{4}{2}{3}
  \feld{4}{3}{6}
  \feld{4}{4}{9}
  \feld{4}{5}{12}
  \feld{4}{6}{2}
  \feld{4}{7}{5}
  \feld{4}{8}{8}
  \feld{4}{9}{11}
  \feld{4}{10}{1}
  \feld{4}{11}{4}
  \feld{4}{12}{7}
  \feld{4}{13}{10}
  \feld{5}{1}{0}
  \feld{5}{2}{4}
  \feld{5}{3}{8}
  \feld{5}{4}{12}
  \feld{5}{5}{3}
  \feld{5}{6}{7}
  \feld{5}{7}{11}
  \feld{5}{8}{2}
  \feld{5}{9}{6}
  \feld{5}{10}{10}
  \feld{5}{11}{1}
  \feld{5}{12}{5}
  \feld{5}{13}{9}
  \feld{6}{1}{0}
  \feld{6}{2}{5}
  \feld{6}{3}{10}
  \feld{6}{4}{2}
  \feld{6}{5}{7}
  \feld{6}{6}{12}
  \feld{6}{7}{4}
  \feld{6}{8}{9}
  \feld{6}{9}{1}
  \feld{6}{10}{6}
  \feld{6}{11}{11}
  \feld{6}{12}{3}
  \feld{6}{13}{8}
  \feld{7}{1}{0}
  \feld{7}{2}{6}
  \feld{7}{3}{12}
  \feld{7}{4}{5}
  \feld{7}{5}{11}
  \feld{7}{6}{4}
  \feld{7}{7}{10}
  \feld{7}{8}{3}
  \feld{7}{9}{9}
  \feld{7}{10}{2}
  \feld{7}{11}{8}
  \feld{7}{12}{1}
  \feld{7}{13}{7}
  \feld{8}{1}{0}
  \feld{8}{2}{7}
  \feld{8}{3}{1}
  \feld{8}{4}{8}
  \feld{8}{5}{2}
  \feld{8}{6}{9}
  \feld{8}{7}{3}
  \feld{8}{8}{10}
  \feld{8}{9}{4}
  \feld{8}{10}{11}
  \feld{8}{11}{5}
  \feld{8}{12}{12}
  \feld{8}{13}{6}
  \feld{9}{1}{0}
  \feld{9}{2}{8}
  \feld{9}{3}{3}
  \feld{9}{4}{11}
  \feld{9}{5}{6}
  \feld{9}{6}{1}
  \feld{9}{7}{9}
  \feld{9}{8}{4}
  \feld{9}{9}{12}
  \feld{9}{10}{7}
  \feld{9}{11}{2}
  \feld{9}{12}{10}
  \feld{9}{13}{5}
  \feld{10}{1}{0}
  \feld{10}{2}{9}
  \feld{10}{3}{5}
  \feld{10}{4}{1}
  \feld{10}{5}{10}
  \feld{10}{6}{6}
  \feld{10}{7}{2}
  \feld{10}{8}{11}
  \feld{10}{9}{7}
  \feld{10}{10}{3}
  \feld{10}{11}{12}
  \feld{10}{12}{8}
  \feld{10}{13}{4}
  \feld{11}{1}{0}
  \feld{11}{2}{10}
  \feld{11}{3}{7}
  \feld{11}{4}{4}
  \feld{11}{5}{1}
  \feld{11}{6}{11}
  \feld{11}{7}{8}
  \feld{11}{8}{5}
  \feld{11}{9}{2}
  \feld{11}{10}{12}
  \feld{11}{11}{9}
  \feld{11}{12}{6}
  \feld{11}{13}{3}
  \feld{12}{1}{0}
  \feld{12}{2}{11}
  \feld{12}{3}{9}
  \feld{12}{4}{7}
  \feld{12}{5}{5}
  \feld{12}{6}{3}
  \feld{12}{7}{1}
  \feld{12}{8}{12}
  \feld{12}{9}{10}
  \feld{12}{10}{8}
  \feld{12}{11}{6}
  \feld{12}{12}{4}
  \feld{12}{13}{2}
  \feld{13}{1}{0}
  \feld{13}{2}{12}
  \feld{13}{3}{11}
  \feld{13}{4}{10}
  \feld{13}{5}{9}
  \feld{13}{6}{8}
  \feld{13}{7}{7}
  \feld{13}{8}{6}
  \feld{13}{9}{5}
  \feld{13}{10}{4}
  \feld{13}{11}{3}
  \feld{13}{12}{2}
  \feld{13}{13}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{13}$}
  \rand{1}{1}
  \rand{2}{2}
  \rand{3}{3}
  \rand{4}{4}
  \rand{5}{5}
  \rand{6}{6}
  \rand{7}{7}
  \rand{8}{8}
  \rand{9}{9}
  \rand{10}{10}
  \rand{11}{11}
  \rand{12}{12}
  \feld{1}{1}{1}
  \feld{1}{2}{2}
  \feld{1}{3}{3}
  \feld{1}{4}{4}
  \feld{1}{5}{5}
  \feld{1}{6}{6}
  \feld{1}{7}{7}
  \feld{1}{8}{8}
  \feld{1}{9}{9}
  \feld{1}{10}{10}
  \feld{1}{11}{11}
  \feld{1}{12}{12}
  \feld{2}{1}{2}
  \feld{2}{2}{4}
  \feld{2}{3}{6}
  \feld{2}{4}{8}
  \feld{2}{5}{10}
  \feld{2}{6}{12}
  \feld{2}{7}{1}
  \feld{2}{8}{3}
  \feld{2}{9}{5}
  \feld{2}{10}{7}
  \feld{2}{11}{9}
  \feld{2}{12}{11}
  \feld{3}{1}{3}
  \feld{3}{2}{6}
  \feld{3}{3}{9}
  \feld{3}{4}{12}
  \feld{3}{5}{2}
  \feld{3}{6}{5}
  \feld{3}{7}{8}
  \feld{3}{8}{11}
  \feld{3}{9}{1}
  \feld{3}{10}{4}
  \feld{3}{11}{7}
  \feld{3}{12}{10}
  \feld{4}{1}{4}
  \feld{4}{2}{8}
  \feld{4}{3}{12}
  \feld{4}{4}{3}
  \feld{4}{5}{7}
  \feld{4}{6}{11}
  \feld{4}{7}{2}
  \feld{4}{8}{6}
  \feld{4}{9}{10}
  \feld{4}{10}{1}
  \feld{4}{11}{5}
  \feld{4}{12}{9}
  \feld{5}{1}{5}
  \feld{5}{2}{10}
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  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{14}$}
  \rand{1}{0}
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  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{14}$}
  \rand{1}{1}
  \rand{2}{3}
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  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{15}$}
  \rand{1}{0}
  \rand{2}{1}
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  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{15}$}
  \rand{1}{1}
  \rand{2}{2}
  \rand{3}{4}
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  \feld{8}{7}{2}
  \feld{8}{8}{1}
  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{16}$}
  \rand{1}{0}
  \rand{2}{1}
  \rand{3}{2}
  \rand{4}{3}
  \rand{5}{4}
  \rand{6}{5}
  \rand{7}{6}
  \rand{8}{7}
  \rand{9}{8}
  \rand{10}{9}
  \rand{11}{10}
  \rand{12}{11}
  \rand{13}{12}
  \rand{14}{13}
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  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{16}$}
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  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{17}$}
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  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{17}$}
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\end{tikzpicture}

\begin{tikzpicture}
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\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{18}$}
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\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{19}$}
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\end{tikzpicture}
\quad
\begin{tikzpicture}
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\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{20}$}
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  \useasboundingbox (0,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
  \linksoben{$\otimes_{20}$}
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  \useasboundingbox (0,2);
\end{tikzpicture}

\begin{tikzpicture}
  \linksoben{$\otimes_{21}$}
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\quad
\begin{tikzpicture}
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\begin{tikzpicture}
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\quad
\begin{tikzpicture}
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\end{tikzpicture}
\end{document}

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