\left( \begin{array}{l}
0 \\
0 \\
0 \\
0 \\
0 \\
\end{array} \right)(\begin{array}{l}
0 \\
0 \\
0 \\
0 \\
0 \\
\end{array})\left( \begin{array}{l}
0 \\
0 \\
0 \\
0 \\
0 \\
\end{array} \right)
