For additional graphs, here are the clique graphs used in the DIMACS Challenge.

• For brock graphs below, there is an "off-by-one" error in the comments: if it claims node 26, for example, is in the clique, it is really node 27.
• brock200_2.clq
• brock200_4.clq
• brock400_2.clq
• brock400_4.clq
• brock800_2.clq
• brock800_4.clq
• C1000.9.clq
• C125.9.clq
• C2000.5.clq
• C2000.9.clq
• C250.9.clq
• C4000.5.clq
• C500.9.clq
• DSJC1000.5.clq
• DSJC500.5.clq
• gen200_p0.9_44.clq
• gen200_p0.9_55.clq
• gen400_p0.9_55.clq
• gen400_p0.9_65.clq
• gen400_p0.9_75.clq
• hamming10-4.clq
• hamming8-4.clq
• keller4.clq
• keller5.clq
• keller6.clq
• MANN_a27.clq
• MANN_a45.clq
• MANN_a81.clq
• p_hat1500-1.clq
• p_hat1500-2.clq
• p_hat1500-3.clq
• p_hat300-1.clq
• p_hat300-2.clq
• p_hat300-3.clq
• p_hat700-1.clq
• p_hat700-2.clq
• p_hat700-3.clq