p3 bumper

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p3 bumper
x = 59, y = 52, rule = B3/S23 58bo$56b2o$57b2o7$49bo$47b2o$48b2o14$3o29bo$o31bobo$bo30b2o7$9b3o11bo$ 9bo13bobo$10bo12b2o2$2bo$2b3o$5bo$4b2o2$6b2obo6b2o$6bo4bo3bo2bo$7b2o2b o4bobo$7bo3bo5bo$8bo$8bob2obo7b2o$12bo8bo$12bo9b3o$24bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ THUMBSIZE 2 X -12 Y 9 Z 12 GPS 12 HEIGHT 480 AUTOSTART LOOP 99 ]]
Pattern type Reflector
Oscillator
Number of cells 38
Bounding box 23×14
Angle 90°
Period 3
Heat Unknown
Discovered by Arie Paap
Tanner Jacobi
Year of discovery 2018

p3 bumper is a variant of Tanner Jacobi's bumper found by Arie Paap in April 2018.[1][2] This bumper allowed Entity Valkyrie to make the new smallest p57 in October 2018. An alternate form of the period 3 oscillator catalyst (based on the caterer) is shown below. It uses a loaf, eater 1 and an edge-repair sparker.

x = 59, y = 54, rule = B3/S23 58bo$56b2o$57b2o7$49bo$47b2o$48b2o14$3o29bo$o31bobo$bo30b2o7$9b3o11bo$ 9bo13bobo$10bo12b2o7$9bo6b2o$4b4o3bo3bo2bo$7bo3bo4bobo$11bo5bo$8bo$4b 2obo2b2obo7b2o$4bob2obob2obo6bo$8bobo2b2o7b3o$5b3o3bo12bo$5bo2b3o$8bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 X -12 Y 9 Z 12 GPS 12 HEIGHT 480 AUTOSTART LOOP 99 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here

For bounding box optimization purposes, it's also possible to replace the eater 1 with a 33P3.1, saving one row along the south edge at the cost of a higher population. This also works with a p6 bumper, p9 bumper, or p15 bumper.

x = 59, y = 51, rule = B3/S23 58bo$56b2o$57b2o7$49bo$47b2o$48b2o14$3o29bo$o31bobo$bo30b2o7$9b3o11bo$ 9bo13bobo$10bo12b2o2$2bo$2b3o20bo$5bo18bobo3bo$4b2o18bobo2bobo$25bo3bo bo$6b2obo6b2o12bo$6bo4bo3bo2bo7b4o$7b2o2bo4bobo$7bo3bo5bo7b3o$8bo19bo$ 8bob2obo7b2o3bobo$12bo8bo2bobobobo$12bo9b2o5b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 X -12 Y 9 Z 12 GPS 12 HEIGHT 480 AUTOSTART LOOP 99 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here

The repeat time for all these variants is 36 ticks, as shown.

See also

References

  1. Arie Paap (April 4, 2018). Re: Thread for your unsure discoveries (discussion thread) at the ConwayLife.com forums
  2. Arie Paap (April 6, 2018). Re: Execution of Old Guns by Variable-Speed Firing Squad (discussion thread) at the ConwayLife.com forums

External links