P226: Enumeration of all maximal cliques in a graph

P226: Enumeration of all maximal cliques in a graph
Input:
A graph $G = (V, E)$.
Output:
All maximal cliques in $G$ in lexicographical order.
Complexity:
$O(|V||E|)$ delay with exponential space.
Comment:
Reference:
[Gely2009] (Bibtex)