52513M

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52513M
x = 16, y = 16, rule = B3/S23 3o2b2obob2ob3o$2obob3o4bobo$bo2bo2bobob3obo$2bo2b2o3bo2bo$2bo5bobo3b2o $o4b2o3b3obo$3b2o2bo2bobo2bo$2b4obo2bob2o$2ob2o2b2o5b2o$ob4obo4b3o$o3b 4o2b3o$b10o2b3o$2o3bob3obob3o$b2ob6o3bobo$obo5b4obo$3obobob2o5bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 16 THUMBSIZE 2 WIDTH 480 HEIGHT 480 ]]
Pattern type Methuselah
Number of cells 131
Bounding box 16×16
MCPS 135
Lifespan 52513 generations
Final population 5054
L/I 400.9
F/I 38.6
F/L 0.096
L/MCPS 389
Discovered by Dylan Chen
Year of discovery 2021

52513M is a methuselah with a lifespan of 52513 generations, discovered by Dylan Chen on January 16, 2021, using apgsearch.[1] A one-generation predecessor to it was found by Rocknlol in October of that year.[2] Each of these were formerly the longest-lasting known non-infinitely-growing[note 1] methuselahs within a 16×16 square, until the discovery of 71093M. 52513M remains the longest-lasting methuselah found via soup search, and was found just a week after the previous record-holder, 50093M. On January 17, Adam P. Goucher found a 27-cell variant lasting 52444 generations.[3] Other variants have been found by MathAndCode and Tanner Jacobi,[4][5][6] including one with only 25 cells, which is shown below.

x = 16, y = 16, rule = B3/S23 bob2o2b5ob2o$2o3b3o2bo3b2o$2bobo7bo2bo$5bo2bob3o2bo$3o3bo2b2o3b2o$4b3o bo3b3o$4bo2b3o5bo$3bob2obo5bo$o2b3o4b2ob3o$obobo2bo2bo$o6bo2b2o$b2obo 2bo4bobo$bo2b2obo3bo2b2o$2bo3bo2b2o4bo$ob2obo2bobo$2o6bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
52514M (click above to open LifeViewer)
RLE: here Plaintext: here
x = 11, y = 35, rule = B3/S23 4b2o$2b2o2$bo$bo$bo8$3bobo$4bo$4bo9$7bo$7b2o$6bo3$o8b2o$b2o6bo2$bo$b2o $o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
52448M (click above to open LifeViewer)
RLE: here Plaintext: here

Stable pattern

The stable pattern that results from 52513M (excluding 92 escaping gliders) has 4594 cells and consists of 380 blinkers (including 40 traffic lights), 342 blocks, 193 beehives (including eight honey farms), 50 loaves, 46 boats, 19 tubs, 18 ships, nine ponds, five toads, two barges, two separate half-bakeries, two long boats, and one beacon.

The methuselah is very directional; the ash is elongated and centered well northwest of the starting location.

See also

Notes

  1. See Methuselah#Infinite_growth for more details on infinitely growing soups.

References

  1. goldenratio (January 17, 2021). Message in #cgol on the Conwaylife Lounge Discord server
  2. Rocknlol (October 23, 2021). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  3. Adam P. Goucher (January 17, 2021). Message in #cgol on the Conwaylife Lounge Discord server
  4. MathAndCode (January 17, 2021). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  5. MathAndCode (January 17, 2021). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  6. MathAndCode (October 23, 2021). Re: Soup search results (discussion thread) at the ConwayLife.com forums

External links