Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{2b}}&{}\approx{}&1.806562964876&{}:{}&1.947215248712&{}:{}&-2.753778213589&,\\B^\prime_{\mathbf{2b}}&{}\approx{}&-0.748302881333&{}:{}&2.806562964876&{}:{}&-1.058260083544&,\\C^\prime_{\mathbf{2b}}&{}\approx{}&-1.041196100146&{}:{}&1.041196100146&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{2b}}&{}\approx{}&-0.870780089663&{}:{}&2.068351250224&{}:{}&-0.197571160561&,\\B^{\prime\prime}_{\mathbf{2b}}&{}\approx{}&-0.049004836454&{}:{}&1.356863354089&{}:{}&-0.307858517635&,\\C^{\prime\prime}_{\mathbf{2b}}&{}\approx{}&-0.039046485382&{}:{}&2.567999415663&{}:{}&-1.528952930282&,
\\
A^{\prime\prime\prime}_{\mathbf{2b}}&{}\approx{}&-0.269468803895&{}:{}&1.010661837698&{}:{}&0.258806966197&,\\B^{\prime\prime\prime}_{\mathbf{2b}}&{}\approx{}&0.321226729290&{}:{}&0.346236249568&{}:{}&0.332537021143&,\\C^{\prime\prime\prime}_{\mathbf{2b}}&{}\approx{}&0.284231621722&{}:{}&1.149028033617&{}:{}&-0.433259655339&,
\\
A^*_{\mathbf{2b}}&{}\approx{}&0.000000000000&{}:{}&1.923879532511&{}:{}&-0.923879532511&,\\B^*_{\mathbf{2b}}&{}\approx{}&0.382683432365&{}:{}&0.000000000000&{}:{}&0.617316567635&,\\C^*_{\mathbf{2b}}&{}\approx{}&-0.423879532511&{}:{}&1.423879532511&{}:{}&0.000000000000&.
\end{alignedat}
\]