I have a very silly question. How do I find cliques in graphs of arbitrary sizes using nauty ? Thanks in advance. Please some one do reply. I requires it urgently. Ganesh Ramakrishnan, Research Scholar, Comp. Science and Engg, IIT Bombay. email - hare at cse.iitb.ernet.in home - http://www.cse.iitb.ac.in/~hare