[2−4−3−5]\left[\begin{array}{rr}2 & -4 \\-3 & -5\end{array}\right][2−3−4−5]
[2−3−4−5]\left[\begin{array}{rr}2 & -3 \\-4 & -5\end{array}\right][2−4−3−5]
[−54−32]\left[\begin{array}{ll}-5 & 4 \\-3 & 2\end{array}\right][−5−342]
[2−43−5]\left[\begin{array}{ll}2 & -4 \\3 & -5\end{array}\right][23−4−5]