Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{1b}}&{}\approx{}&0.965925826289&{}:{}&-0.220258921319&{}:{}&0.254333095030&,\\B^\prime_{\mathbf{1b}}&{}\approx{}&0.419606348368&{}:{}&-0.258819045103&{}:{}&0.839212696735&,\\C^\prime_{\mathbf{1b}}&{}\approx{}&1.965925826289&{}:{}&-3.405083415044&{}:{}&2.439157588755&,
\\
A^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.691598265489&{}:{}&-0.812235392740&{}:{}&1.120637127251&,\\B^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&1.026681170442&{}:{}&-0.413754029503&{}:{}&0.387072859061&,\\C^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.838864733154&{}:{}&-0.229227101436&{}:{}&0.390362368282&,
\\
A^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.615800306227&{}:{}&-0.379834213309&{}:{}&0.764033907082&,\\B^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&1.069158888269&{}:{}&-0.243799034087&{}:{}&0.174640145818&,\\C^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.845952191110&{}:{}&-0.068695628708&{}:{}&0.222743437598&,
\\
A^*_{\mathbf{1b}}&{}\approx{}&0.000000000000&{}:{}&-1.831951230074&{}:{}&2.831951230074&,\\B^*_{\mathbf{1b}}&{}\approx{}&1.465925826289&{}:{}&0.000000000000&{}:{}&-0.465925826289&,\\C^*_{\mathbf{1b}}&{}\approx{}&0.829459311299&{}:{}&0.170540688701&{}:{}&0.000000000000&.
\end{alignedat}
\]