\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{f10} & \multicolumn{2}{@{}c@{}}{\textit{1.0e+7}:44 \quad} & \multicolumn{2}{@{}c@{}}{\textit{6.3e+6}:80 \quad} & \multicolumn{2}{@{}c@{}}{\textit{2.5e+6}:126 \quad} & \multicolumn{2}{@{}c@{}}{\textit{2.5e+5}:408 \quad} & \multicolumn{2}{@{}c@{}|}{\textit{6.3e+3}:2376 } & 15 & /15\\
\algatables\hspace*{\fill} & \textbf{6} & \textbf{.4}\mbox{\tiny (3)}$^{\star2}$ & \textbf{5} & \textbf{.0}\mbox{\tiny (3)}$^{\star3}$ & \textbf{6} & \textbf{.6}\mbox{\tiny (3)}$^{\star4}$ & \textbf{15} & \textbf{}\mbox{\tiny (9)}$^{\star4}$ & \textbf{95} & \textbf{}\mbox{\tiny (47)}$^{\star4}$ & 15 & /15\\
\algbtables\hspace*{\fill} & 41 & \mbox{\tiny (28)} & 36 & \mbox{\tiny (19)} & 66 & \mbox{\tiny (39)} & 186 & \mbox{\tiny (75)} & \multicolumn{2}{@{\,}X@{\,}|}{$\infty$\,\textit{4e5}} & 0 & /15
\end{tabularx}