Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{2}}&{}\approx{}&-0.577350269190&{}:{}&0.788675134595&{}:{}&0.788675134595&,\\B^\prime_{\mathbf{2}}&{}\approx{}&0.018874775675&{}:{}&0.962250448649&{}:{}&0.018874775675&,\\C^\prime_{\mathbf{2}}&{}\approx{}&0.788675134595&{}:{}&0.788675134595&{}:{}&-0.577350269190&,
\\
A^{\prime\prime}_{\mathbf{2}}&{}\approx{}&0.036867235218&{}:{}&0.958193491830&{}:{}&0.004939272952&,\\B^{\prime\prime}_{\mathbf{2}}&{}\approx{}&0.105662432703&{}:{}&0.788675134595&{}:{}&0.105662432703&,\\C^{\prime\prime}_{\mathbf{2}}&{}\approx{}&0.004939272952&{}:{}&0.958193491830&{}:{}&0.036867235218&,
\\
A^{\prime\prime\prime}_{\mathbf{2}}&{}\approx{}&0.019512685773&{}:{}&0.994771591605&{}:{}&-0.014284277378&,\\B^{\prime\prime\prime}_{\mathbf{2}}&{}\approx{}&1.577350269190&{}:{}&-2.154700538379&{}:{}&1.577350269190&,\\C^{\prime\prime\prime}_{\mathbf{2}}&{}\approx{}&-0.014284277378&{}:{}&0.994771591605&{}:{}&0.019512685773&,
\\
A^*_{\mathbf{2}}&{}\approx{}&0.000000000000&{}:{}&1.077350269190&{}:{}&-0.077350269190&,\\B^*_{\mathbf{2}}&{}\approx{}&0.500000000000&{}:{}&0.000000000000&{}:{}&0.500000000000&,\\C^*_{\mathbf{2}}&{}\approx{}&-0.077350269190&{}:{}&1.077350269190&{}:{}&0.000000000000&.
\end{alignedat}
\]