\begin{tabular}{|ccc|cc|cc|} \hline
\multicolumn{3}{|c||}{Dim \& Density, \& $\kappa(A)$} & \multicolumn{2}{|c|}{\% Reduction in $\kappa$} & \multicolumn{2}{|c|}{CPU Time}\cr\cline{1-3}\cline{3-7}
  $n$ & density & $\kappa(A)$ & Alg 2.2 & Alg. C.1 & Alg. 2.2 & Alg C.1 \cr\hline
14822 & 3.3e-03 & 2.0e+06 & 3.9e+01 & 3.0e+01 & 7.850 & 283.641 \cr\hline
15439 & 1.1e-03 & 4.4e+12 & 8.0e+01 & 7.2e+01 & 8.734 & 2.185 \cr\hline
15439 & 6.5e-05 & 6.1e+09 & 4.2e+01 & 5.4e+01 & 2.283 & 2.725 \cr\hline
17361 & 1.1e-03 & 2.5e+06 & 1.3e+01 & 1.2e+01 & 1.097 & 9.086 \cr\hline
17361 & 3.4e-03 & 1.1e+09 & 5.6e+01 & 3.0e+01 & 19.675 & 9.306 \cr\hline
23052 & 2.2e-03 & 7.4e+11 & 9.0e+01 & 7.2e+01 & 503.668 & 6.933 \cr\hline
30401 & 5.1e-04 & 5.8e+03 & 9.1e+01 & 9.3e+01 & 204.718 & 14.951 \cr\hline
36441 & 4.3e-04 & 2.6e+03 & 8.5e+01 & 9.2e+01 & 459.869 & 59.632 \cr\hline
40806 & 1.2e-04 & 8.1e+01 & 4.5e-02 & 1.1e-01 & 29.901 & 16.301 \cr\hline
48962 & 2.1e-04 & 1.6e+05 & 6.2e+00 & 4.1e+00 & 22.109 & 43.123 \cr\hline
150102 & 3.2e-05 & 1.3e+07 & 4.6e-03 & 1.5e+00 & 53.450 & 864.384 \cr\hline
\end{tabular}
