Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{1b}}&{}\approx{}&0.923990395078&{}:{}&-0.103831051254&{}:{}&0.179840656176&,\\B^\prime_{\mathbf{1b}}&{}\approx{}&0.430104464888&{}:{}&-0.175067250635&{}:{}&0.744962785747&,\\C^\prime_{\mathbf{1b}}&{}\approx{}&1.027821446333&{}:{}&-1.027821446333&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.606437665690&{}:{}&-0.426639284713&{}:{}&0.820201619023&,\\B^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.933517071534&{}:{}&-0.188608749598&{}:{}&0.255091678064&,\\C^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.827947532633&{}:{}&-0.117683902854&{}:{}&0.289736370221&,
\\
A^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.638611452597&{}:{}&-0.259936737135&{}:{}&0.621325284538&,\\B^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&1.003051018534&{}:{}&-0.112715286080&{}:{}&0.109664267546&,\\C^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.870401304223&{}:{}&-0.039811660134&{}:{}&0.169410355910&,
\\
A^*_{\mathbf{1b}}&{}\approx{}&0.000000000000&{}:{}&-0.965925826289&{}:{}&1.965925826289&,\\B^*_{\mathbf{1b}}&{}\approx{}&1.258819045103&{}:{}&0.000000000000&{}:{}&-0.258819045103&,\\C^*_{\mathbf{1b}}&{}\approx{}&0.908248290464&{}:{}&0.091751709536&{}:{}&0.000000000000&.
\end{alignedat}
\]