Frothing puffer

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Frothing puffer
x = 33, y = 23, rule = B3/S23 7bo17bo$6b3o15b3o$5b2o4b3o5b3o4b2o$3b2obo2b3o2bo3bo2b3o2bob2o$4bobo2bo bo3bobo3bobo2bobo$b2obobobobo4bobo4bobobobob2o$b2o3bobo4bo5bo4bobo3b2o $b3obo3bo4bobobo4bo3bob3o$2o9b2obobobob2o9b2o$12bo7bo$9b2obo7bob2o$10b o11bo$7b2obo11bob2o$7b2o15b2o$7bobobob3ob3obobobo$6b2o3bo3bobo3bo3b2o$ 6bo2bo3bobobobo3bo2bo$9b2o4bobo4b2o$5b2o4bo3bobo3bo4b2o$9bob2obo3bob2o bo$10bobobobobobobo$12bo2bobo2bo$11bobo5bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ ZOOM 8 AUTOSTART OFF ]]
Pattern type Puffer
Number of cells 175
Bounding box 33 × 23
Direction Orthogonal
Period 78
Speed c/2
Discovered by Paul Tooke
Year of discovery 2001

A frothing puffer (or frothing spaceship) is a puffer with an apparently unstable (but in fact stable) back end. It can also refer to a specific period 78 puffer discovered by Paul Tooke in April 2001[1] which lays ten blinkers and two blocks each period.

Below is a period 270 frothing puffer rake constructed by David Bell October 20, 2002. It uses period tripling of p90 input streams. The base c/3 ship (found in January 2002 by Paul Tooke) cycles between all three possible frothing periods: 21, 12, and 6.[2]

#C p270-frothing-puffer-rake.rle #C Period 270 forward rake using period tripling of p90 input streams. #C In this rake, the base c/3 ship (found in Jan. 2002 by Paul Tooke) #C cycles between all three possible frothing periods: 21, 12, and 6. #C David Bell, 20 October 2002. x = 249, y = 371, rule = B3/S23 72bo85bo$71b3o83b3o$52boboo14bo3bo14boobo45boboo14bo3bo14boobo$51boob ooboobo10b3o10boboobooboo43boobooboobo10b3o10boboobooboo$50bobboboboob oo8b5o8booboobobobbo41bobbobobooboo8b5o8booboobobobbo$51bo6bo5bo4boo3b oo4bo5bo6bo43bo6bo5bo4boo3boo4bo5bo6bo$59bo3b4obo7bob4o3bo59bo3b4obo7b ob4o3bo$63bo3b3obobob3o3bo67bo3b3obobob3o3bo$58boobobbo3boo5boo3bobbob oo57boobobbo3boo5boo3bobboboo$57bo4bobbobobbooboobbobobbo4bo55bo4bobbo bobbooboobbobobbo4bo$56boobobo6boo5boo6boboboo53boobobo6boo5boo6bobob oo$54boobobo6booboboboboboo6boboboo49boobobo6booboboboboboo6boboboo$ 52boobo9bo3bobbobbo3bo9boboo45boobo9bo3bobbobbo3bo9boboo$51bo3bo9bobob 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20boobobboobo56bobbobobbo5b4o13boo$36booboo21bobb3oboboobb3o4bo50bo5b oo4bobbobobboo$36boo3bo21bobo9b3o3boboo8bo48boobobbobobboo$36boo29bobb obobbo3boboboo6b3ob3o44boo4bobo4bo$66bo10bo3boobbo4boo6bo45bobobobobob o9boo$67bo12bo8bobbo3boo65boo$76boobbobobb3o77bo$75bob4ob4obo$76bobobo bobobobbo62b3o$66b3o83bo$68bo84bo$67bo74bo$78bo62boo$78boo61bobo$77bob o$130boo$89boo39bobo$88bobo39bo$90bo$119boo$100boo16boo$101boo17bo$ 100bo$$111b3o$113bo$112bo20$179boo$178bobo$180bo21$246b3o$248bo$247bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 ZOOM 2 HEIGHT 800 ]]
Frothing puffer rake
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RLE: here Plaintext: here

References

  1. Jason Summers' jslife pattern collection. Retrieved on October 28, 2020.
  2. Adam P. Goucher (March 20, 2022). Re: Create your own terminology (discussion thread) at the ConwayLife.com forums

External links