Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{1b}}&{}\approx{}&0.922629435690&{}:{}&-0.193426410776&{}:{}&0.270796975086&,\\B^\prime_{\mathbf{1b}}&{}\approx{}&0.415583153339&{}:{}&-0.385277177798&{}:{}&0.969694024458&,\\C^\prime_{\mathbf{1b}}&{}\approx{}&1.058482258555&{}:{}&-1.764137097591&{}:{}&1.705654839036&,
\\
A^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.596835650867&{}:{}&-0.774019053740&{}:{}&1.177183402873&,\\B^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.936053022617&{}:{}&-0.348627981105&{}:{}&0.412574958488&,\\C^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.811942135629&{}:{}&-0.235307091407&{}:{}&0.423364955778&,
\\
A^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.593704503647&{}:{}&-0.550409211184&{}:{}&0.956704707537&,\\B^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&1.006998566976&{}:{}&-0.211114138496&{}:{}&0.204115571520&,\\C^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.849696721928&{}:{}&-0.099087531648&{}:{}&0.249390809721&,
\\
A^*_{\mathbf{1b}}&{}\approx{}&0.000000000000&{}:{}&-1.688901059317&{}:{}&2.688901059317&,\\B^*_{\mathbf{1b}}&{}\approx{}&1.284190373377&{}:{}&0.000000000000&{}:{}&-0.284190373377&,\\C^*_{\mathbf{1b}}&{}\approx{}&0.877964473009&{}:{}&0.122035526991&{}:{}&0.000000000000&.
\end{alignedat}
\]