\begin{tabular}{|ccc|c|c|} \hline
\multicolumn{3}{|c||}{Dim \& Density, \& $\kappa(A)$} & \multicolumn{1}{|c|}{\% Reduction in $\kappa$} & \multicolumn{1}{|c|}{CPU Time}\cr\cline{1-3}\cline{3-5}
  $n$ & density & $\kappa(A)$ & Alg. 3.1 & Alg 3.1 \cr\hline
14822 & 3.3e-03 & 2.0e+06 & 2.0e+01 & 8.717 \cr\hline
15439 & 1.1e-03 & 4.4e+12 & 7.2e+01 & 1.650 \cr\hline
15439 & 6.5e-05 & 6.1e+09 & 8.7e+01 & 10.341 \cr\hline
17361 & 1.1e-03 & 2.5e+06 & 1.8e+01 & 11.188 \cr\hline
17361 & 3.4e-03 & 1.1e+09 & 3.3e+01 & 323.662 \cr\hline
23052 & 2.2e-03 & 7.4e+11 & 7.2e+01 & 6.577 \cr\hline
30401 & 5.1e-04 & 5.8e+03 & 9.4e+01 & 31.728 \cr\hline
36441 & 4.3e-04 & 2.6e+03 & 9.2e+01 & 71.779 \cr\hline
40806 & 1.2e-04 & 8.1e+01 & 1.1e-01 & 15.132 \cr\hline
48962 & 2.1e-04 & 1.6e+05 & 9.6e-01 & 1558.997 \cr\hline
81920 & 4.9e-05 & 3.5e+00 & 1.5e+00 & 278.142 \cr\hline
150102 & 3.2e-05 & 1.3e+07 & 7.5e-01 & 724.965 \cr\hline
\end{tabular}
