\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{f7} & \multicolumn{2}{@{}c@{}}{\textit{1.6e+3}:35 \quad} & \multicolumn{2}{@{}c@{}}{\textit{1.0e+3}:106 \quad} & \multicolumn{2}{@{}c@{}}{\textit{6.3e+2}:165 \quad} & \multicolumn{2}{@{}c@{}}{\textit{2.5e+2}:489 \quad} & \multicolumn{2}{@{}c@{}|}{\textit{2.5e+1}:2987 } & 15 & /15\\
\algatables\hspace*{\fill} & \textbf{19} & \textbf{}\mbox{\tiny (13)}$^{\star4}$ & \textbf{10} & \textbf{}\mbox{\tiny (6)}$^{\star4}$ & \textbf{11} & \textbf{}\mbox{\tiny (5)}$^{\star4}$ & \textbf{16} & \textbf{}\mbox{\tiny (15)}$^{\star4}$ & \multicolumn{2}{@{\,}X@{\,}|}{$\infty$\,\textit{4e5}} & 0 & /15\\
\algbtables\hspace*{\fill} & 238 & \mbox{\tiny (139)} & 124 & \mbox{\tiny (59)} & 123 & \mbox{\tiny (59)} & 191 & \mbox{\tiny (78)} & \multicolumn{2}{@{\,}X@{\,}|}{$\infty$\,\textit{4e5}} & 0 & /15
\end{tabularx}