\newcounter{lastnumi} \begin{enumrate} \item \setcounter{lastenumi}{\value{enumi}} \end{enumrate} \begin{enumrate} \setcounter{\value{enumi}} \item \end{enumrate}
\newcounter{lastnumi} \begin{enumrate} \item \setcounter{lastenumi}{\value{enumi}} \end{enumrate} \begin{enumrate} \setcounter{\value{enumi}} \item \end{enumrate}