\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{6.3e+1}:36 \quad} & \multicolumn{2}{@{}c@{}}{\textit{4.0e+1}:77 \quad} & \multicolumn{2}{@{}c@{}}{\textit{4.0e+1}:77 \quad} & \multicolumn{2}{@{}c@{}}{\textit{1.6e+1}:456 \quad} & \multicolumn{2}{@{}c@{}|}{\textit{4.0e+0}:1094 } & 15 & /15\\
\algatables\hspace*{\fill} & \textbf{1} & \textbf{.7}\mbox{\tiny (0.3)}$^{\star4}$ & \textbf{0} & \textbf{.94}\mbox{\tiny (0.1)}$^{\star4}$ & \textbf{0} & \textbf{.94}\mbox{\tiny (0.1)}$^{\star4}$ & \textbf{0} & \textbf{.59}\mbox{\tiny (0.0)}$^{\star2}$ & \textbf{0} & \textbf{.96}\mbox{\tiny (2)}$^{\star2}$ & 15 & /15\\
\algbtables\hspace*{\fill} & 8 & .4\mbox{\tiny (5)} & 11 & \mbox{\tiny (37)} & 11 & \mbox{\tiny (37)} & 6 & .8\mbox{\tiny (18)} & 21 & \mbox{\tiny (31)} & 15 & /15\\
\algctables\hspace*{\fill} & 544 & \mbox{\tiny (1483)} & 361 & \mbox{\tiny (707)} & 361 & \mbox{\tiny (891)} & 126 & \mbox{\tiny (38)} & 140 & \mbox{\tiny (154)} & 9 & /15
\end{tabularx}