[3−15−2]\left[\begin{array}{ll}3 & -1 \\5 & -2\end{array}\right][35−1−2]
[−31−52]\left[\begin{array}{cc}-3 & 1 \\-5 & 2\end{array}\right][−3−512]
[−35−12]\left[\begin{array}{cc}-3 & 5 \\-1 & 2\end{array}\right][−3−152]
[31−5−2]\left[\begin{array}{cc}3 & 1 \\-5 & -2\end{array}\right][3−51−2]