Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{6b}}&{}\approx{}&3.331951230074&{}:{}&15.073969712741&{}:{}&-17.405920942814&,\\B^\prime_{\mathbf{6b}}&{}\approx{}&-0.035735452894&{}:{}&1.107206358682&{}:{}&-0.071470905788&,\\C^\prime_{\mathbf{6b}}&{}\approx{}&-0.400099577495&{}:{}&0.692992796309&{}:{}&0.707106781187&,
\\
A^{\prime\prime}_{\mathbf{6b}}&{}\approx{}&-0.065610786686&{}:{}&1.073243716365&{}:{}&-0.007632929680&,\\B^{\prime\prime}_{\mathbf{6b}}&{}\approx{}&-0.236067708731&{}:{}&1.325068467273&{}:{}&-0.089000758542&,\\C^{\prime\prime}_{\mathbf{6b}}&{}\approx{}&-0.021963854722&{}:{}&1.164321129380&{}:{}&-0.142357274659&,
\\
A^{\prime\prime\prime}_{\mathbf{6b}}&{}\approx{}&-0.031495327193&{}:{}&0.975832785450&{}:{}&0.055662541743&,\\B^{\prime\prime\prime}_{\mathbf{6b}}&{}\approx{}&0.098616666258&{}:{}&0.446148379041&{}:{}&0.455234954701&,\\C^{\prime\prime\prime}_{\mathbf{6b}}&{}\approx{}&0.013037156421&{}:{}&1.055068196363&{}:{}&-0.068105352783&,
\\
A^*_{\mathbf{6b}}&{}\approx{}&0.000000000000&{}:{}&0.900099577495&{}:{}&0.099900422505&,\\B^*_{\mathbf{6b}}&{}\approx{}&1.465925826289&{}:{}&0.000000000000&{}:{}&-0.465925826289&,\\C^*_{\mathbf{6b}}&{}\approx{}&-0.536566092485&{}:{}&1.536566092485&{}:{}&0.000000000000&.
\end{alignedat}
\]