[1−2−36]\left[\begin{array}{cc}1 & -2 \\-3 & 6\end{array}\right][1−3−26]
[−234−6]\left[\begin{array}{cc}-2 & 3 \\4 & -6\end{array}\right][−243−6]
[−62−31]\left[\begin{array}{ll}-6 & 2 \\-3 & 1\end{array}\right][−6−321]
[−1−2−36]\left[\begin{array}{cc}-1 & -2 \\-3 & 6\end{array}\right][−1−3−26]
