Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{3a}}&{}\approx{}&0.267949192431&{}:{}&0.366025403784&{}:{}&0.366025403784&,\\B^\prime_{\mathbf{3a}}&{}\approx{}&-0.366025403784&{}:{}&1.000000000000&{}:{}&0.366025403784&,\\C^\prime_{\mathbf{3a}}&{}\approx{}&-0.366025403784&{}:{}&0.366025403784&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{3a}}&{}\approx{}&-0.366025403784&{}:{}&0.683012701892&{}:{}&0.683012701892&,\\B^{\prime\prime}_{\mathbf{3a}}&{}\approx{}&-0.049038105677&{}:{}&0.366025403784&{}:{}&0.683012701892&,\\C^{\prime\prime}_{\mathbf{3a}}&{}\approx{}&-0.049038105677&{}:{}&0.683012701892&{}:{}&0.366025403784&,
\\
A^{\prime\prime\prime}_{\mathbf{3a}}&{}\approx{}&-0.224009237740&{}:{}&0.612004618870&{}:{}&0.612004618870&,\\B^{\prime\prime\prime}_{\mathbf{3a}}&{}\approx{}&0.163986143390&{}:{}&0.224009237740&{}:{}&0.612004618870&,\\C^{\prime\prime\prime}_{\mathbf{3a}}&{}\approx{}&0.163986143390&{}:{}&0.612004618870&{}:{}&0.224009237740&,
\\
A^*_{\mathbf{3a}}&{}\approx{}&0.000000000000&{}:{}&0.500000000000&{}:{}&0.500000000000&,\\B^*_{\mathbf{3a}}&{}\approx{}&0.133974596216&{}:{}&0.000000000000&{}:{}&0.866025403784&,\\C^*_{\mathbf{3a}}&{}\approx{}&0.133974596216&{}:{}&0.866025403784&{}:{}&0.000000000000&.
\end{alignedat}
\]