Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{2b}}&{}\approx{}&3.863703305156&{}:{}&3.911891463745&{}:{}&-6.775594768901&,\\B^\prime_{\mathbf{2b}}&{}\approx{}&-0.477013593316&{}:{}&2.303225372841&{}:{}&-0.826211779525&,\\C^\prime_{\mathbf{2b}}&{}\approx{}&-0.926746322053&{}:{}&0.926746322053&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{2b}}&{}\approx{}&-0.629837892271&{}:{}&1.835482127752&{}:{}&-0.205644235481&,\\B^{\prime\prime}_{\mathbf{2b}}&{}\approx{}&-0.009229498201&{}:{}&1.498492421539&{}:{}&-0.489262923338&,\\C^{\prime\prime}_{\mathbf{2b}}&{}\approx{}&-0.005237389824&{}:{}&2.478065243490&{}:{}&-1.472827853667&,
\\
A^{\prime\prime\prime}_{\mathbf{2b}}&{}\approx{}&-0.203770941776&{}:{}&0.983893142504&{}:{}&0.219877799271&,\\B^{\prime\prime\prime}_{\mathbf{2b}}&{}\approx{}&0.322063909155&{}:{}&0.326080694478&{}:{}&0.351855396368&,\\C^{\prime\prime\prime}_{\mathbf{2b}}&{}\approx{}&0.241838298219&{}:{}&1.182262151250&{}:{}&-0.424100449468&,
\\
A^*_{\mathbf{2b}}&{}\approx{}&0.000000000000&{}:{}&1.965925826289&{}:{}&-0.965925826289&,\\B^*_{\mathbf{2b}}&{}\approx{}&0.258819045103&{}:{}&0.000000000000&{}:{}&0.741180954897&,\\C^*_{\mathbf{2b}}&{}\approx{}&-0.207106781187&{}:{}&1.207106781187&{}:{}&0.000000000000&.
\end{alignedat}
\]