$0$ | $-1$ | $-4$ | $-9$ | $-16$ | $-25$ |
$\left[\begin{array}{r} 1 \\ 0 \\ 0 \\ 0 \\ 0 \\ 0 \end{array}\right]$ | $ \left[\begin{array}{r} 0 \\ 1 \\ 0 \\ 0 \\ 0 \\ 0 \end{array}\right]$ | $ \left[\begin{array}{r} -1 \\ 0 \\ 2 \\ 0 \\ 0 \\ 0 \end{array}\right]$ | $\left[\begin{array}{r} 0 \\ 0 \\ -3 \\ 0 \\ 4 \\ 0 \end{array}\right]$ | $\left[\begin{array}{r} 1 \\ 0 \\ -8 \\ 0 \\ 8 \\ 0 \end{array}\right]$ | $\left[\begin{array}{r} 0 \\ 5 \\ 0 \\ \!\!-20 \\ 0 \\ 16 \end{array}\right]$ |