1 $\begin{array}{l}\left\{\begin{array}{cc}0& \begin{array}{cc}8& \begin{array}{cc}19& \begin{array}{cc}18& 6\end{array}\end{array}\end{array}\end{array}\right\}\oplus \left\{\begin{array}{cc}\begin{array}{cc}\begin{array}{cc}0& 0\end{array}& \begin{array}{c}1\\ 1\end{array}\end{array}& \begin{array}{cc}\begin{array}{c}1\\ 1\end{array}& \begin{array}{cc}\begin{array}{c}1\\ 1\end{array}& 1\end{array}\end{array}\end{array}\right\}\\ =\left\{\begin{array}{cc}\begin{array}{cc}0& 0\end{array}& \begin{array}{cc}24& \begin{array}{cc}37& \begin{array}{cc}24& 6\end{array}\end{array}\end{array}\end{array}\right\}\end{array}$ 2 $\left\{\begin{array}{cc}1& \begin{array}{cc}7& \begin{array}{cc}12& 6\end{array}\end{array}\end{array}\right\}\oplus \left\{\begin{array}{cc}\begin{array}{cc}0& \begin{array}{c}1\\ 1\end{array}\end{array}& \begin{array}{cc}\begin{array}{c}1\\ 1\end{array}& \begin{array}{cc}\begin{array}{c}1\\ 1\end{array}& 1\end{array}\end{array}\end{array}\right\}=\left\{\begin{array}{cc}\begin{array}{cc}0& 8\end{array}& \begin{array}{cc}19& \begin{array}{cc}18& 6\end{array}\end{array}\end{array}\right\}$ 3 $\left\{\begin{array}{cc}1& \begin{array}{cc}6& \begin{array}{cc}6& 0\end{array}\end{array}\end{array}\right\}\oplus \left\{\begin{array}{cc}1& \begin{array}{cc}\begin{array}{c}1\\ 1\end{array}& \begin{array}{cc}\begin{array}{c}1\\ 1\end{array}& \begin{array}{c}1\\ 1\end{array}\end{array}\end{array}\end{array}\right\}=\left\{\begin{array}{cc}1& \begin{array}{cc}7& \begin{array}{cc}12& 6\end{array}\end{array}\end{array}\right\}$ 4 $\left\{\begin{array}{cc}1& \begin{array}{cc}4& 1\end{array}\end{array}\right\}\oplus \left\{\begin{array}{cc}1& \begin{array}{cc}\begin{array}{c}1\\ 1\end{array}& 1\end{array}\end{array}\right\}=\left\{\begin{array}{cc}1& \begin{array}{cc}5& 1\end{array}\end{array}\right\}$ 5 $〈\begin{array}{cc}1& \begin{array}{cc}4& 1\end{array}\end{array}〉\oplus \left\{\begin{array}{cc}1& \begin{array}{cc}1& 1\end{array}\end{array}\right\}=\left\{\begin{array}{cc}1& \begin{array}{cc}4& 1\end{array}\end{array}\right\}$ 6 $\left\{\begin{array}{cc}1& \begin{array}{cc}3& \begin{array}{cc}-3& -1\end{array}\end{array}\end{array}\right\}\oplus \left\{\begin{array}{cc}1& \begin{array}{cc}\begin{array}{c}1\\ 1\end{array}& \begin{array}{cc}\begin{array}{c}1\\ \begin{array}{c}1\\ 1\end{array}\end{array}& \begin{array}{c}1\\ \begin{array}{c}1\\ \begin{array}{c}1\\ 1\end{array}\end{array}\end{array}\end{array}\end{array}\end{array}\right\}=\left\{\begin{array}{cc}1& \begin{array}{cc}4& \begin{array}{cc}1& 0\end{array}\end{array}\end{array}\right\}$