\providecommand{\ntables}{7}\providecommand{\algatables}{\StrLeft{ HCMA}{\ntables}}\providecommand{\algbtables}{\StrLeft{ LSfminbnd posik noiseless}{\ntables}}\providecommand{\algctables}{\StrLeft{ LSstep posik noiseless}{\ntables}}
\begin{tabularx}{1.0\textwidth}{@{}c@{}|*{5}{@{}r@{}X@{}}|@{}r@{}@{}l@{}}
\#FEs/D & \multicolumn{2}{@{}c@{}}{0.5} & \multicolumn{2}{@{}c@{}}{1.2} & \multicolumn{2}{@{}c@{}}{3} & \multicolumn{2}{@{}c@{}}{10} & \multicolumn{2}{@{}c@{}}{50} & \multicolumn{2}{@{}l@{}}{\#succ}\\\hline
\textbf{f21} & \multicolumn{2}{@{}c@{}}{\textit{4.0e+1}:30 \quad} & \multicolumn{2}{@{}c@{}}{\textit{2.5e+1}:46 \quad} & \multicolumn{2}{@{}c@{}}{\textit{1.6e+1}:56 \quad} & \multicolumn{2}{@{}c@{}}{\textit{1.0e+1}:130 \quad} & \multicolumn{2}{@{}c@{}|}{\textit{6.3e+0}:639 } & 15 & /15\\
\algatables\hspace*{\fill} & \textbf{1} & \textbf{.1}\mbox{\tiny (0.2)} & \textbf{1} & \textbf{.3}\mbox{\tiny (0.4)}$^{\star2}$ & \textbf{3} & \textbf{.1}\mbox{\tiny (3)}$^{\star2}$ & \textbf{1} & \textbf{.8}\mbox{\tiny (1)}$^{\star}$ & \textbf{0} & \textbf{.55}\mbox{\tiny (0.3)}$^{\star2}$ & 15 & /15\\
\algbtables\hspace*{\fill} & 13 & \mbox{\tiny (24)} & 66 & \mbox{\tiny (52)} & 123 & \mbox{\tiny (245)} & 99 & \mbox{\tiny (182)} & 36 & \mbox{\tiny (80)} & 14 & /15\\
\algctables\hspace*{\fill} & 481 & \mbox{\tiny (1487)} & 1236 & \mbox{\tiny (2221)} & 1116 & \mbox{\tiny (263)} & 688 & \mbox{\tiny (983)} & 1029 & \mbox{\tiny (1448)} & 2 & /15
\end{tabularx}