2 2 2 4
0 0 2 1
\[
\begin{array}{|c|c|c|}
\hline
\INPUTBOX{1}{ltr}{2} & \INPUTBOX{2}{ltr}{2} & \INPUTBOX{3}{ltr}{2} & \INPUTBOX{4}{ltr}{4} \\
\hline
\INPUTBOX{5}{ltr}{0} & \INPUTBOX{6}{ltr}{0} & \INPUTBOX{7}{ltr}{2} & \INPUTBOX{8}{ltr}{1} \\
\hline
\end{array}
\]