Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{6b}}&{}\approx{}&15.038620480927&{}:{}&16.559681942832&{}:{}&-30.598302423759&,\\B^\prime_{\mathbf{6b}}&{}\approx{}&-0.006355829153&{}:{}&1.018099870087&{}:{}&-0.011744040934&,\\C^\prime_{\mathbf{6b}}&{}\approx{}&-0.550039664287&{}:{}&0.550039664287&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{6b}}&{}\approx{}&-0.012566450214&{}:{}&1.012753114521&{}:{}&-0.000186664307&,\\B^{\prime\prime}_{\mathbf{6b}}&{}\approx{}&-0.048898757974&{}:{}&1.064714214022&{}:{}&-0.015815456048&,\\C^{\prime\prime}_{\mathbf{6b}}&{}\approx{}&-0.000583579907&{}:{}&1.024062650191&{}:{}&-0.023479070284&,
\\
A^{\prime\prime\prime}_{\mathbf{6b}}&{}\approx{}&-0.006211114771&{}:{}&0.994918993176&{}:{}&0.011292121596&,\\B^{\prime\prime\prime}_{\mathbf{6b}}&{}\approx{}&0.243719427540&{}:{}&0.268370108047&{}:{}&0.487910464413&,\\C^{\prime\prime\prime}_{\mathbf{6b}}&{}\approx{}&0.005702861783&{}:{}&1.005900455804&{}:{}&-0.011603317587&,
\\
A^*_{\mathbf{6b}}&{}\approx{}&0.000000000000&{}:{}&0.980785280403&{}:{}&0.019214719597&,\\B^*_{\mathbf{6b}}&{}\approx{}&1.195090322016&{}:{}&0.000000000000&{}:{}&-0.195090322016&,\\C^*_{\mathbf{6b}}&{}\approx{}&-0.136379290286&{}:{}&1.136379290286&{}:{}&0.000000000000&.
\end{alignedat}
\]