Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{6b}}&{}\approx{}&5.916949268008&{}:{}&7.955791036595&{}:{}&-12.872740304603&,\\B^\prime_{\mathbf{6b}}&{}\approx{}&-0.021069802915&{}:{}&1.055161460168&{}:{}&-0.034091657253&,\\C^\prime_{\mathbf{6b}}&{}\approx{}&-0.642039521920&{}:{}&0.642039521920&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{6b}}&{}\approx{}&-0.040800651367&{}:{}&1.042034819518&{}:{}&-0.001234168150&,\\B^{\prime\prime}_{\mathbf{6b}}&{}\approx{}&-0.152249685018&{}:{}&1.188190960236&{}:{}&-0.035941275217&,\\C^{\prime\prime}_{\mathbf{6b}}&{}\approx{}&-0.005385325770&{}:{}&1.073388543238&{}:{}&-0.068003217469&,
\\
A^{\prime\prime\prime}_{\mathbf{6b}}&{}\approx{}&-0.019748460208&{}:{}&0.988989512303&{}:{}&0.030758947905&,\\B^{\prime\prime\prime}_{\mathbf{6b}}&{}\approx{}&0.225285933699&{}:{}&0.302914176007&{}:{}&0.471799890295&,\\C^{\prime\prime\prime}_{\mathbf{6b}}&{}\approx{}&0.015114893409&{}:{}&1.017768622871&{}:{}&-0.032883516280&,
\\
A^*_{\mathbf{6b}}&{}\approx{}&0.000000000000&{}:{}&0.951056516295&{}:{}&0.048943483705&,\\B^*_{\mathbf{6b}}&{}\approx{}&1.309016994375&{}:{}&0.000000000000&{}:{}&-0.309016994375&,\\C^*_{\mathbf{6b}}&{}\approx{}&-0.278768257918&{}:{}&1.278768257918&{}:{}&0.000000000000&.
\end{alignedat}
\]