Page 181: Cellular Automata
Stages of cellular automaton evolution
Stages of cellular automaton evolution 2
Stages of cellular automaton evolution 3
Stages of cellular automaton evolution 4
Stages of cellular automaton evolution 5
Stages in the evolution of the cellular automaton from the facing page, starting with an initial condition consisting of a row of 11 black cells.

From Stephen Wolfram: A New Kind of Science [citation]