 \\  0 \\  0 \\  0 \\  \end{array}\right) ,|\mathcal{D}_{0}^{(0)}\rangle \rangle =\left(  \begin{array}{c} 0 \\  0 \\  0 \\  0 \\  \end{array}\right) ,|\mathcal{D}_{0}^{(0)}\rangle \rangle =\left(  \begin{array}{c} 0 \\  0 \\  0 \\  0 \\  \end{array}\right) ,