Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{1b}}&{}\approx{}&0.937152698242&{}:{}&-0.101689070346&{}:{}&0.164536372104&,\\B^\prime_{\mathbf{1b}}&{}\approx{}&0.427958173665&{}:{}&-0.120409044417&{}:{}&0.692450870753&,\\C^\prime_{\mathbf{1b}}&{}\approx{}&1.260073510670&{}:{}&-1.260073510670&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.638920185343&{}:{}&-0.409342438319&{}:{}&0.770422252976&,\\B^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.961266679393&{}:{}&-0.188190960236&{}:{}&0.226924280842&,\\C^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.839390426438&{}:{}&-0.105283192248&{}:{}&0.265892765810&,
\\
A^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.661267438022&{}:{}&-0.186052248131&{}:{}&0.524784810110&,\\B^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&1.022908731440&{}:{}&-0.110994332240&{}:{}&0.088085600801&,\\C^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.873331277549&{}:{}&-0.026662490618&{}:{}&0.153331213069&,
\\
A^*_{\mathbf{1b}}&{}\approx{}&0.000000000000&{}:{}&-0.951056516295&{}:{}&1.951056516295&,\\B^*_{\mathbf{1b}}&{}\approx{}&1.309016994375&{}:{}&0.000000000000&{}:{}&-0.309016994375&,\\C^*_{\mathbf{1b}}&{}\approx{}&0.896802246667&{}:{}&0.103197753333&{}:{}&0.000000000000&.
\end{alignedat}
\]