Digrafo de 8 nodos:

gr_nuevo([[0,1,0,0,0,0,0,0],[0,0,1,0,1,1,0,0],[0,0,0,1,0,0,1,0],[0,0,1,0,0,0,0,1],[1,0,0,0,0,1,0,0],[0,0,0,0,0,0,1,0],[0,0,0,0,0,1,0,0],[0,0,0,1,0,0,1,0]],['a','b','c','d','e','f','g','h'],verdadero)

Grafo en JMEScriptGUI con visor de grafos v0.1:

Sucesores del nodo 'b':

gr_sucesores(gr_nuevo([[0,1,0,0,0,0,0,0],[0,0,1,0,1,1,0,0],[0,0,0,1,0,0,1,0],[0,0,1,0,0,0,0,1],[1,0,0,0,0,1,0,0],[0,0,0,0,0,0,1,0],[0,0,0,0,0,1,0,0],[0,0,0,1,0,0,1,0]],['a','b','c','d','e','f','g','h'],verdadero),'b')

VectorEvaluado: [2,4,5]