[54−5−4]\left[\begin{array}{rr}5 & 4 \\-5 & -4\end{array}\right][5−54−4]
[−3−61,4]\left[\begin{array}{rr}-3 & -6 \\1, & 4\end{array}\right][−31,−64]
[−545−4]\left[\begin{array}{rr}-5 & 4 \\5 & -4\end{array}\right][−554−4]
[−3612]\left[\begin{array}{rr}-3 & 6 \\1 & 2\end{array}\right][−3162]
