Slow puffer 2

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Slow puffer 2
x = 22, y = 21, rule = B3/S23 3bo9b2o$bo3bo6b2ob3o$o12b5o$o4bo8b3o$5o3$20bo$b2o10b2obo2bobo$2ob3o6bo bob4obo$b4o3b3obo$2b2o8bobob4obo$13b2obo2bobo$5b2o13bo$3bo4bo$2bo$2bo 5bo$2b6o6b3o$13b5o$12b2ob3o$13b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ ZOOM 10 AUTOSTART OFF ]]
Pattern type Puffer
Number of cells 97
Bounding box 22×21
Direction Orthogonal
Period 240
Speed c/2
Discovered by David Bell
Year of discovery 1993

Slow puffer 2 is a puffer that was found by David Bell on August 21, 1993. It consists of a blinker puffer 1 with a p18 "house" blinker fuse attached to the back of it to suppress the blinkers and two MWSS's to give rebirth to said fuse (and leave the bi-blocks in the process). Its name comes from the fact that it creates debris very slowly, only creating a single bi-block every 240 generations.


A flotilla of 6 assorted spaceships can turn the bi-blocks produced by this puffer into gliders, completing a period 240 forward rake.

3bo9b2o$bo3bo6b2ob3o83b2o15b2o$o12b5o55b5o22b4o13b2ob4o$o4bo8b3o56bo4bo20b2ob2o14b6o$5o68bo26b2o17b4o$74bo3bo$76bo$20bo$b2o10b2obo2bobo98b2o$2ob3o6bobob4obo97bo2bo$b4o3b3obo106bobo$2b2o8bobob4obo97b2o$13b2obo2bobo97bo$5b2o13bo96bobo$3bo4bo107b2ob2o$2bo76b4o34bobo$2bo5bo69b6o34bo$2b6o6b3o60b2ob4o$13b5o60b2o$12b2ob3o$13b2o3$87b2o$86b2ob4o$87b6o$88b4o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ WIDTH 1200 HEIGHT 480 ZOOM 8 ]]
Slow puffer 2 rake
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RLE: here Plaintext: here

Glider synthesis

A 23-glider synthesis of a period-240 spaceship involving this puffer being capped with a middleweight spaceship was completed on 7 March 2022.[1] The middleweight spaceship can be removed to yield a 20-glider synthesis of the puffer. The synthesis was reduced by two gliders the next day.[2]

See also


  1. Connor Steppie (March 7, 2022). Re: Small Spaceship Syntheses (discussion thread) at the forums
  2. Connor Steppie (March 8, 2022). Re: Small Spaceship Syntheses (discussion thread) at the forums

External links