P49 bouncer loop: Difference between revisions

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|h            = 70.9
|h            = 70.9
|v            = 0.59
|v            = 0.59
|v            = 0.43
|discoverer  = Noam Elkies
|discoverer  = Noam Elkies
|discoveryear = 1999
|discoveryear = 1999

Revision as of 22:14, 30 September 2017

p49 glider shuttle
x = 65, y = 65, rule = B3/S23 21b2o$20bo2bo$17bo3bobo$15b6obo$14bo5bo$14bob2obo2bo$15bo3bob2o$17bobo $16b2o3b2o$15bo2b2obo$13bo2bo3bo2bo9bo$13b2obo3bob2o7b3o$14bobob2obo8b o$14bob3o2bo8b2o$15bo3bob2o$16b4o2bo5bo$20bo6bobo$16b4o2bo5b2o2b2o$16b o2bob2o9b2o$21bo$19bobo31b2o$19b2o6bo23b3o5b2o$25b2o23bo4bo2bo2bo$26b 2o18b2obob4obo2bobo$10b2o5b2o28bobobo4b2obob2o$11bo5b2o28bobob2o2bo5bo $11bobo29b2ob2ob2obo2bob3obo$12b2o29bo4bo4b2o5b2obo$16b2o26b3o3b3o2b2o bo3bobo$15bobo20b2o6b2ob2o2bo2bob2obo2bo$16bo20b2o14b2o7b2o$39bo2$25bo $b2o7b2o14b2o20bo$o2bob2obo2bo2b2ob2o6b2o20bobo$obo3bob2o2b3o3b3o26b2o $bob2o5b2o4bo4bo29b2o$3bob3obo2bob2ob2ob2o29bobo$3bo5bo2b2obobo28b2o5b o$2b2obob2o4bobobo28b2o5b2o$3bobo2bob4obob2o18b2o$3bo2bo2bo4bo23b2o$4b 2o5b3o23bo6b2o$10b2o31bobo$43bo$31b2o9b2obo2bo$31b2o2b2o5bo2b4o$35bobo 6bo$36bo5bo2b4o$42b2obo3bo$33b2o8bo2b3obo$34bo8bob2obobo$31b3o7b2obo3b ob2o$31bo9bo2bo3bo2bo$43bob2o2bo$42b2o3b2o$45bobo$42b2obo3bo$42bo2bob 2obo$44bo5bo$42bob6o$41bobo3bo$41bo2bo$42b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]]
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Pattern type Oscillator
Number of cells 400
Bounding box 65 × 65
Period 49 (mod: Unknown)
Heat 70.9
Volatility 0.43 | Unknown
Kinetic symmetry Unspecified
Discovered by Noam Elkies
Year of discovery 1999

The p49 glider shuttle is a period 49 oscillator discovered in its original form by Noam Elkies on August 1, 1999,[1] and was the first period 49 oscillator to be found.[2] It consists of four 90-degree glider reflectors shuttling four gliders around a period 49 track. The glider reflectors are based on pipsquirter 2 but use a slightly smaller version of the oscillator found by Karel Suhajda on January 24, 2003. Shuttling gliders in this manner is the only known way to construct period 49 oscillators. In terms of its 400 cells, it had been the smallest known period 49 oscillator before discovery of the snark in 2013 made a smaller glider loop possible.

File:440p49.1.png
The original form of the p49 glider shuttle
RLE: here

References

  1. ↑ "Game of Life Status page". Retrieved on April 9, 2009.
  2. ↑ x-oscs-new-p036-060.lif oscillator collection, retrieved on April 9, 2009


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