[−8−563]\left[\begin{array}{rr}-8 & -5 \\6 & 3\end{array}\right][−86−53]
[−86−53]\left[\begin{array}{ll}-8 & 6 \\-5 & 3\end{array}\right][−8−563]
[−8−5−63]\left[\begin{array}{cc}-8 & -5 \\-6 & 3\end{array}\right][−8−6−53]
[−85−63]\left[\begin{array}{ll}-8 & 5 \\-6 & 3\end{array}\right][−8−653]