\begin{tabular}{|c|c|c|}
\hline
H1 & H2 & H3 \\
\hline
R1C1 & R1C2 & R1C3 \\
\hline
R2C1 & R2C2 & R2C3 \\
\hline
\end{tabular}126 chars
\begin{tabular}{|c|c|c|}
\hline
H1 & H2 & H3 \\
\hline
R1C1 & R1C2 & R1C3 \\
\hline
R2C1 & R2C2 & R2C3 \\
\hline
\end{tabular}