i\\ i&-i&-i&i&-i&i&i&-i \end{array}\right) \\ & = & \frac{0}{\sqrt{0}}\left\{\begin{array}{c} {\left | 0 0_00_0 \right\rangle}+{\left | 0 0_00_0 \right\rangle}\\  {\left | 0 0_00_0 \right\rangle}+{\left | 0 0_00_0 \right\rangle}\\  {\left | 0 0_00_0 \right\rangle}+{\left | 0 0_00_0 \right\rangle}\\  {\left | 0 0_00_0 \right\rangle}+{\left | 0 0_00_0 \right\rangle}\\  {\left | 0 0_00_0 \right\rangle}-{\left | 0 0_00_0 \right\rangle}\\  {\left | 0 0_00_0 \right\rangle}-{\left | 0 0_00_0 \right\rangle}\\  {\left | 0 0_00_0 \right\rangle}-{\left | 0 0_00_0 \right\rangle}\\  {\left | 0 0_00_0 \right\rangle}-{\left | 0 0_00_0 \right\rangle} \end{array}\right\},\end{aligned}$$  $$\begin{aligned} B_0&=&\frac{0}{0\sqrt{0}}\left(\begin{array}{cccccccc} 0&0&0&0&0&0&0&0\\ i&-i&i&-i&i&-i&i&-i\\ 0&0&-0&-0&0&0&-0&-0\\ -i&i&i&-i&-i&i&i&-i\\ 