Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{7}}&{}\approx{}&0.076120467489&{}:{}&0.324423348821&{}:{}&0.599456183690&,\\B^\prime_{\mathbf{7}}&{}\approx{}&0.324423348821&{}:{}&0.076120467489&{}:{}&0.599456183690&,\\C^\prime_{\mathbf{7}}&{}\approx{}&6.474538827970&{}:{}&6.474538827970&{}:{}&-11.949077655939&,
\\
A^{\prime\prime}_{\mathbf{7}}&{}\approx{}&0.617885940244&{}:{}&0.381431227821&{}:{}&0.000682831935&,\\B^{\prime\prime}_{\mathbf{7}}&{}\approx{}&0.381431227821&{}:{}&0.617885940244&{}:{}&0.000682831935&,\\C^{\prime\prime}_{\mathbf{7}}&{}\approx{}&0.200271908155&{}:{}&0.200271908155&{}:{}&0.599456183690&,
\\
A^{\prime\prime\prime}_{\mathbf{7}}&{}\approx{}&-1.636887027219&{}:{}&-0.384067935279&{}:{}&3.020954962498&,\\B^{\prime\prime\prime}_{\mathbf{7}}&{}\approx{}&-0.384067935279&{}:{}&-1.636887027219&{}:{}&3.020954962498&,\\C^{\prime\prime\prime}_{\mathbf{7}}&{}\approx{}&0.101264812114&{}:{}&0.101264812114&{}:{}&0.797470375771&,
\\
A^*_{\mathbf{7}}&{}\approx{}&0.000000000000&{}:{}&0.871533517609&{}:{}&0.128466482391&,\\B^*_{\mathbf{7}}&{}\approx{}&0.871533517609&{}:{}&0.000000000000&{}:{}&0.128466482391&,\\C^*_{\mathbf{7}}&{}\approx{}&0.500000000000&{}:{}&0.500000000000&{}:{}&0.000000000000&.
\end{alignedat}
\]