\begin{longtable}[]{@{}ll@{}}
\hline
H1\par
 & H2\par
\tabularnewline
\hline
\endfirsthead
B1\par
 & B2\par
\tabularnewline
\hline
\hline
F1\par
 & FA\par
\tabularnewline
FB\par
\tabularnewline
\endlastfoot
\end{longtable}
