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Cook's H-glider, velocity -18c/92 ($\approx $ -c/5)

Figure 2.32: The H glider moves left 18 cells in 92 generations, about -c/5.
\put(0,0){\epsfysize = 415pt \e...
...ler drawing
% epsffile\{nakedh.eps\} %larger drawing

This glider takes so many generations to develop that an analysis by de Bruijn diagram is manifestly beyond reach.

Jose Manuel Gomez Soto 2002-01-31