Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{1b}}&{}\approx{}&0.962089301849&{}:{}&-0.151642792606&{}:{}&0.189553490757&,\\B^\prime_{\mathbf{1b}}&{}\approx{}&0.424285434966&{}:{}&-0.131427826575&{}:{}&0.707142391609&,\\C^\prime_{\mathbf{1b}}&{}\approx{}&1.889140284973&{}:{}&-2.518853713298&{}:{}&1.629713428324&,
\\
A^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.692941814049&{}:{}&-0.569284993142&{}:{}&0.876343179093&,\\B^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&1.014731422764&{}:{}&-0.286063666742&{}:{}&0.271332243978&,\\C^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.848402373744&{}:{}&-0.147369529561&{}:{}&0.298967155817&,
\\
A^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.643951538543&{}:{}&-0.199472204690&{}:{}&0.555520666147&,\\B^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&1.058916285427&{}:{}&-0.166904488335&{}:{}&0.107988202908&,\\C^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.861768406823&{}:{}&-0.031556397838&{}:{}&0.169787991015&,
\\
A^*_{\mathbf{1b}}&{}\approx{}&0.000000000000&{}:{}&-1.325140769936&{}:{}&2.325140769936&,\\B^*_{\mathbf{1b}}&{}\approx{}&1.425614793411&{}:{}&0.000000000000&{}:{}&-0.425614793411&,\\C^*_{\mathbf{1b}}&{}\approx{}&0.854592627233&{}:{}&0.145407372767&{}:{}&0.000000000000&.
\end{alignedat}
\]