Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{1b}}&{}\approx{}&0.971350761400&{}:{}&-0.343790863202&{}:{}&0.372440101802&,\\B^\prime_{\mathbf{1b}}&{}\approx{}&0.415884804830&{}:{}&-0.497185297387&{}:{}&1.081300492557&,\\C^\prime_{\mathbf{1b}}&{}\approx{}&2.056997126177&{}:{}&-4.936793102824&{}:{}&3.879795976647&,
\\
A^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.691884103021&{}:{}&-1.243830498087&{}:{}&1.551946395066&,\\B^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&1.042031448097&{}:{}&-0.642816920700&{}:{}&0.600785472603&,\\C^{\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.829043531200&{}:{}&-0.383089647940&{}:{}&0.554046116741&,
\\
A^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.591485842436&{}:{}&-0.707114232250&{}:{}&1.115628389814&,\\B^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&1.081991937685&{}:{}&-0.382950173116&{}:{}&0.300958235430&,\\C^{\prime\prime\prime}_{\mathbf{1b}}&{}\approx{}&0.828414643244&{}:{}&-0.146049473343&{}:{}&0.317634830099&,
\\
A^*_{\mathbf{1b}}&{}\approx{}&0.000000000000&{}:{}&-2.716989200105&{}:{}&3.716989200105&,\\B^*_{\mathbf{1b}}&{}\approx{}&1.514173943788&{}:{}&0.000000000000&{}:{}&-0.514173943788&,\\C^*_{\mathbf{1b}}&{}\approx{}&0.801142975005&{}:{}&0.198857024995&{}:{}&0.000000000000&.
\end{alignedat}
\]