Edna

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Edna
x = 20, y = 20, rule = B3/S23 2bo2bo2bo5bo4bo$2b2o4bo2bo2b2obo$b4ob2ob4obobobo$2obo5b2ob2o2b3o$8bo2b o2b3o$3ob2o3bo2bo2bo3bo$b4o5bo2b3o2b2o$obo2bo3bo5bobo$2obob2ob3obo$2bo 2b2o5bobo2bobo$2o2bobob2o3bo2b2o$4bobo3bobo4b2o$bo2bobo4bo2b2o$3o3bo3b o4b4o$2ob2o6bo4bo2bo$5bo3bobo6b2o$6bo2bo5bobo$8bo2bo2bobo$2b4obo2bob2o 5bo$ob2o2bo6b2ob3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
Pattern type Methuselah
Number of cells 149
Bounding box 20 × 20
Lifespan 31192 generations
L/I 209.3
Discovered by Erik de Neve
Year of discovery 2010

Edna is a methuselah with a lifespan of 31,192 generations, which was the first pattern found as part of Nathaniel Johnston's Online Life-Like CA Soup Search to exceed the benchmark of longevity set by the 2005 pattern Lidka. As of January 2010, it is the longest-lived known methuselah to fit within a 20 by 20 square.

Stable pattern

The stable pattern that results from Edna cycles between 3600 and 3602 cells.

Image gallery

See also

External links

  • Edna on Nathaniel Johnston's blog
  • Edna on Erik de Neve's blog