Approximately,
\[
\begin{alignedat}{4}
A^\prime&{}\approx{}&0.422649730810&{}:{}&0.211324865405&{}:{}&0.366025403784&,\\B^\prime&{}\approx{}&0.211324865405&{}:{}&0.422649730810&{}:{}&0.366025403784&,\\C^\prime&{}\approx{}&0.108772844311&{}:{}&0.108772844311&{}:{}&0.782454311379&,
\\
A^{\prime\prime}&{}\approx{}&0.143621188068&{}:{}&0.215431782103&{}:{}&0.640947029829&,\\B^{\prime\prime}&{}\approx{}&0.215431782103&{}:{}&0.143621188068&{}:{}&0.640947029829&,\\C^{\prime\prime}&{}\approx{}&0.316987298108&{}:{}&0.316987298108&{}:{}&0.366025403784&,
\\
A^{\prime\prime\prime}&{}\approx{}&0.098102009685&{}:{}&0.196204019369&{}:{}&0.705693970946&,\\B^{\prime\prime\prime}&{}\approx{}&0.196204019369&{}:{}&0.098102009685&{}:{}&0.705693970946&,\\C^{\prime\prime\prime}&{}\approx{}&0.348915260374&{}:{}&0.348915260374&{}:{}&0.302169479252&,
\\
A^*&{}\approx{}&0.000000000000&{}:{}&0.185686860132&{}:{}&0.814313139868&,\\B^*&{}\approx{}&0.185686860132&{}:{}&0.000000000000&{}:{}&0.814313139868&,\\C^*&{}\approx{}&0.500000000000&{}:{}&0.500000000000&{}:{}&0.000000000000&.
\end{alignedat}
\]