\begin{center}
\begin{tabular}{|l|l|l|l|} \hline
\multirow{2}{*}{N} & \multirow{2}{*}{True Solution} & Crank-Nicolson & \multirow{2}{*}{Error}\\
 & & Douglas & \\ \hline
\multirow{2}{*}{ 1 } & \multirow{2}{*}{ 0.99449791563 } & 0.994509174613 & 1.12589828036e-05 \\
& & 0.994497915643 & 1.36470834633e-11 \\ \hline
\multirow{2}{*}{ 2 } & \multirow{2}{*}{ 0.989026104192 } & 0.989048498389 & 2.23941966252e-05 \\
& & 0.989026104219 & 2.71438427291e-11 \\ \hline
\multirow{2}{*}{ 4 } & \multirow{2}{*}{ 0.978172634773 } & 0.978216932165 & 4.42973915895e-05 \\
& & 0.978172634827 & 5.369227285e-11 \\ \hline
\multirow{2}{*}{ 8 } & \multirow{2}{*}{ 0.956821703419 } & 0.956908366374 & 8.6662954748e-05 \\
& & 0.956821703524 & 1.05040198761e-10 \\ \hline
\multirow{2}{*}{ 16 } & \multirow{2}{*}{ 0.915507772134 } & 0.915673621636 & 0.000165849502438 \\
& & 0.915507772335 & 2.01009653367e-10 \\ \hline
\multirow{2}{*}{ 80 } & \multirow{2}{*}{ 0.643146895793 } & 0.643729655705 & 0.000582759912498 \\
& & 0.643146896499 & 7.06048997046e-10 \\ \hline
\multirow{2}{*}{ 160 } & \multirow{2}{*}{ 0.413637929568 } & 0.414387869634 & 0.000749940066547 \\
& & 0.413637930476 & 9.0818685905e-10 \\ \hline
\multirow{2}{*}{ 320 } & \multirow{2}{*}{ 0.171096336777 } & 0.1717173065 & 0.000620969722957 \\
& & 0.171096337528 & 7.51321088677e-10 \\ \hline
\multirow{2}{*}{ 640 } & \multirow{2}{*}{ 0.0292739564585 } & 0.0294868333516 & 0.000212876893091 \\
& & 0.0292739567156 & 2.57096528095e-10 \\ \hline
\multirow{2}{*}{ 800 } & \multirow{2}{*}{ 0.0121088187398 } & 0.0122189860548 & 0.000110167315077 \\
& & 0.0121088188727 & 1.32931096686e-10 \\ \hline
\end{tabular}
\end{center}
