Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{1b}}&{}\approx{}&0.909005808310&{}:{}&-0.107334967498&{}:{}&0.198329159188&,\\B^\prime_{\mathbf{1b}}&{}\approx{}&0.437792331916&{}:{}&-0.246727081811&{}:{}&0.808934749895&,\\C^\prime_{\mathbf{1b}}&{}\approx{}&0.823192531266&{}:{}&-0.823192531266&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.571596675585&{}:{}&-0.446866005564&{}:{}&0.875269329979&,\\B^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.899107374019&{}:{}&-0.189908076237&{}:{}&0.290800702217&,\\C^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.816224391515&{}:{}&-0.134781121956&{}:{}&0.318556730441&,
\\
A^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.605615900531&{}:{}&-0.341307585682&{}:{}&0.735691685151&,\\B^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.975265862056&{}:{}&-0.115158922691&{}:{}&0.139893060636&,\\C^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.868329695847&{}:{}&-0.057784039153&{}:{}&0.189454343306&,
\\
A^*_{\mathbf{1b}}&{}\approx{}&0.000000000000&{}:{}&-0.980785280403&{}:{}&1.980785280403&,\\B^*_{\mathbf{1b}}&{}\approx{}&1.195090322016&{}:{}&0.000000000000&{}:{}&-0.195090322016&,\\C^*_{\mathbf{1b}}&{}\approx{}&0.925215047384&{}:{}&0.074784952616&{}:{}&0.000000000000&.
\end{alignedat}
\]