[−1213]\left[\begin{array}{cc}-1 & 2 \\1 & 3\end{array}\right][−1123]
[132−1]\left[\begin{array}{cc}1 & 3 \\2 & -1\end{array}\right][123−1]
[13−12]\left[\begin{array}{cc}1 & 3 \\-1 & 2\end{array}\right][1−132]
[123−1]\left[\begin{array}{cc}1 & 2 \\3 & -1\end{array}\right][132−1]
