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  • Adam Goucher
  • Dave Greene

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2007 December 09

Records
Update: smaller Garden of Eden previously known

72-bit 12x11 Garden of Eden
Achim Flammenkamp's 12x11 Garden of Eden --
black cells ON, blue-gray cells must be OFF
Achim Flammenkamp, 23 June 2004
Paul Kwiatkowski has pointed out that Nicolay Beluchenko's 12x12 pattern, based on a 12x13 Garden of Eden pattern from June 14, 2004, is not the smallest known "orphan". Achim Flammenkamp discovered a 12x11 GoE a week later, on June 23, 2004:

It is still an open question whether 11x11 or smaller Garden of Eden patterns exist.