\begin{table}%t4
\caption{\label{t4}Median Petrosian $r$ magnitude (${M}_r$), median of the logarithm-mass [log($M_{\rm star}$/$M_{\odot}$)], and the logarithm-mass range that include 66$\%$ of the total mass distribution around the median  logarithm-mass value for l-samples $a$, $b$, and $c$.}
%\centering
\par
\small\begin{tabular}{cccccccccc}   
\hline
\hline
{}&\multicolumn{3}{c} {l-sample $a$}&\multicolumn{3}{c} { l-sample $b$}&\multicolumn{3}{c}{ l-sample $c$}\\\cline{5-7}
\hline
Redshift&${M}_r$&log($M_{\rm star}$/$M_{\odot}$)&66$\%$-range&${M}_r$&log($M_{\rm star}$/$M_{\odot}$)&66$\%$-range&${M}_r$&log($M_{\rm star}$/$M_{\odot}$)&66$\%$-range\\\hline
$z_0$&--21.99&11.06&10.89--11.20&&&\\\
$z_1$&--22.09&10.97&10.74--11.20&--22.99&11.44&11.28--11.58&--23.22&11.50&11.20--11.74\\\
$z_2$&&&&--23.06&11.50&11.27--11.68&--23.23&11.60&11.37--11.77\\\
$z_3$&&&&&&&--23.50&11.70&11.35--12.09\\
\hline
\end{tabular} 
\end{table}