\providecommand{\ntables}{7}\providecommand{\algatables}{\StrLeft{ LSfminbnd posik noiseless}{\ntables}}\providecommand{\algbtables}{\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{f16} & \multicolumn{2}{@{}c@{}}{\textit{4.0e+1}:117 \quad} & \multicolumn{2}{@{}c@{}}{\textit{2.5e+1}:297 \quad} & \multicolumn{2}{@{}c@{}}{\textit{1.6e+1}:4010 \quad} & \multicolumn{2}{@{}c@{}}{\textit{1.6e+1}:4010 \quad} & \multicolumn{2}{@{}c@{}|}{\textit{1.0e+1}:5244 } & 15 & /15\\
\algatables\hspace*{\fill} & \textbf{4} & \textbf{.0}\mbox{\tiny (3)}$^{\star3}$ & 904 & \mbox{\tiny (769)} & 715 & \mbox{\tiny (813)} & 715 & \mbox{\tiny (972)} & \multicolumn{2}{@{\,}X@{\,}|}{$\infty$\,\textit{4e5}} & 0 & /15\\
\algbtables\hspace*{\fill} & 27 & \mbox{\tiny (40)} & \textbf{302} & \textbf{}\mbox{\tiny (517)} & \textbf{443} & \textbf{}\mbox{\tiny (298)} & \textbf{443} & \textbf{}\mbox{\tiny (580)} & \multicolumn{2}{@{\,}X@{\,}|}{$\infty$\,\textit{4e5}} & 0 & /15
\end{tabularx}