Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{1b}}&{}\approx{}&0.958803899854&{}:{}&-0.099456183690&{}:{}&0.140652283836&,\\B^\prime_{\mathbf{1b}}&{}\approx{}&0.431277545771&{}:{}&-0.041196100146&{}:{}&0.609918554376&,\\C^\prime_{\mathbf{1b}}&{}\approx{}&1.806562964876&{}:{}&-1.806562964876&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.696323118707&{}:{}&-0.381418330097&{}:{}&0.685095211389&,\\B^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&1.003040014354&{}:{}&-0.188533109142&{}:{}&0.185493094788&,\\C^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.859948758263&{}:{}&-0.088538608173&{}:{}&0.228589849910&,
\\
A^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.685863425930&{}:{}&-0.065514420258&{}:{}&0.379650994327&,\\B^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&1.048560208790&{}:{}&-0.108766554612&{}:{}&0.060206345821&,\\C^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.879672098223&{}:{}&-0.008716097378&{}:{}&0.129043999154&,
\\
A^*_{\mathbf{1b}}&{}\approx{}&0.000000000000&{}:{}&-0.923879532511&{}:{}&1.923879532511&,\\B^*_{\mathbf{1b}}&{}\approx{}&1.382683432365&{}:{}&0.000000000000&{}:{}&-0.382683432365&,\\C^*_{\mathbf{1b}}&{}\approx{}&0.882683432365&{}:{}&0.117316567635&{}:{}&0.000000000000&.
\end{alignedat}
\]