b
\(\,\begin{matrix}
^{H} \\
_{H} \\
\end{matrix}\begin{matrix}
\text{ }\!\!\backslash\!\!\text{ } \\
/ \\
\end{matrix}\overset{s{{p}^{2}}}{\mathop{C}}\,=\overset{s{{p}^{2}}}{\mathop{C}}\,=\overset{s{{p}^{2}}}{\mathop{C}}\,\begin{matrix}
/ \\
\text{ }\!\!\backslash\!\!\text{ } \\
\end{matrix}_{H}^{H}\)