Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{2}}&{}\approx{}&-0.558260083544&{}:{}&0.645452460308&{}:{}&0.912807623235&,\\B^\prime_{\mathbf{2}}&{}\approx{}&0.011401789184&{}:{}&0.972473645917&{}:{}&0.016124564899&,\\C^\prime_{\mathbf{2}}&{}\approx{}&1.207106781187&{}:{}&1.207106781187&{}:{}&-1.414213562373&,
\\
A^{\prime\prime}_{\mathbf{2}}&{}\approx{}&0.022590201458&{}:{}&0.974669147540&{}:{}&0.002740651002&,\\B^{\prime\prime}_{\mathbf{2}}&{}\approx{}&0.056813572761&{}:{}&0.841139138032&{}:{}&0.102047289207&,\\C^{\prime\prime}_{\mathbf{2}}&{}\approx{}&0.001513500292&{}:{}&0.966797155858&{}:{}&0.031689343850&,
\\
A^{\prime\prime\prime}_{\mathbf{2}}&{}\approx{}&0.011748155250&{}:{}&1.002015664775&{}:{}&-0.013763820025&,\\B^{\prime\prime\prime}_{\mathbf{2}}&{}\approx{}&0.834466715542&{}:{}&-0.964798685182&{}:{}&1.130331969639&,\\C^{\prime\prime\prime}_{\mathbf{2}}&{}\approx{}&-0.010075798361&{}:{}&0.993600922536&{}:{}&0.016474875825&,
\\
A^*_{\mathbf{2}}&{}\approx{}&0.000000000000&{}:{}&1.089790213552&{}:{}&-0.089790213552&,\\B^*_{\mathbf{2}}&{}\approx{}&0.324423348821&{}:{}&0.000000000000&{}:{}&0.675576651179&,\\C^*_{\mathbf{2}}&{}\approx{}&-0.041196100146&{}:{}&1.041196100146&{}:{}&0.000000000000&.
\end{alignedat}
\]