[−1−50−5−11−1−1−2]\left[\begin{array}{rrr}-1 & -5 & 0 \\-5 & -1 & 1 \\-1 & -1 & -2\end{array}\right]−1−5−1−5−1−101−2
[−150−5−111−1−2]\left[\begin{array}{rrr}-1 & 5 & 0 \\-5 & -1 & 1 \\1 & -1 & -2\end{array}\right]−1−515−1−101−2
[−150−51−11−1−2]\left[\begin{array}{rrr}-1 & 5 & 0 \\-5 & 1 & -1 \\1 & -1 & -2\end{array}\right]−1−5151−10−1−2
[−1−50−51−11−12]\left[\begin{array}{rrr}-1 & -5 & 0 \\-5 & 1 & -1 \\1 & -1 & 2\end{array}\right]−1−51−51−10−12