The above reaction found by Rich Schroeppel and Dave Buckingham in which a honey farm predecessor, catalyzed by an eater and a block, reappears at another location 47 generations later, after having produced a glider and a traffic light. This is the basis of a very small (but pseudo) p94 glider gun found by Paul Callahan in July 1994, and was in 1990 the basis for Dean Hickerson's construction of the first true period 94 gun (Silver).

References

Silver, S. A. "Life Lexicon." Release 17, 2000 August 24. http://www.argentum.freeserve.co.uk/lex.htm.