Heavyweight volcano

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Heavyweight volcano
x = 24, y = 15, rule = B3/S23 4bo14bo$2b3o2b2o6b2o2b3o$bo7b6o7bo$bob2o3b2o4b2o3b2obo$2obo16bob2o$bo2b5o6b5o 2bo$bo8bo2bo8bo$2b3ob2obo4bob2ob3o$4bobo2b2o2b2o2bobo$4bo2bobob2obobo2bo$5bob obo4bobobo$4b2obobo4bobob2o$7bo8bo$7bobo4bobo$8b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 2 THUMBSIZE 2 ]]
Pattern type Oscillator
Family Volcano
Number of cells 104
Bounding box 17×24
Period 5
Mod 5
Heat 33.6
Volatility 0.51
Strict volatility 0.51
Discovered by Dean Hickerson
Year of discovery 1995

Heavyweight volcano is a period 5 oscillator that was found by Dean Hickerson in February 1995 that produces a domino spark much like a heavyweight spaceship. Scot Ellison reduced it to 17 columns in 2007 using WinLifeSearch.

Gallery

#O Dean Hickerson, 1995 x = 36, y = 19, rule = B3/S23 9bo$8bobo$6b3obo$5bo4b2obo$5bob2o3b2o6b2o$4b2obob2o9bobo$9bob5o6bo2bob 2o$2bob2ob2obo5bo4b2obob2obo$5b2o5b4o8bo4bo$o3bobo2bo3bobo4b2obob4ob2o $o3bobo2b2obob2ob2o4bobo4bobo$5b2o3b3ob2obob3obo2b3o3bo$2bob2ob2ob2o 13bobo2bobob2o$11bo6bobobobo2b2obobobo$4b2obobob2o6b2obobobo3bobobo$5b ob2obo2bo7bob2o2b4ob2o$5bo4bobo8bo3b2o$4b2o4b2o8b2o3bo2bo$27b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 2 LOOP 5 THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 12 HEIGHT 480 ]]
Original form by Dean Hickerson from 1995
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RLE: here Plaintext: here
#O David Eppstein, 2003 x = 25, y = 22, rule = B3/S23 8bo10b2o$7bobo9bo$7bobo4b2o4bo$3b2ob2obobo2bo2b3obob2o$3bo4bob2o3b2o4b obo$5b2obo3b3o2bo2b2obo$4b2obobobo3b3o2bobo$9bo2b2obo4b2o$2bob2ob4o5b 4o$5b2o6b2obo2bo$o3bobo7bo$o3bobo7bo$5b2o6b2obo2bo$2bob2ob4o5b4o$9bo2b 2obo4b2o$4b2obobobo3b3o2bobo$5b2obo3b3o2bo2b2obo$3bo4bob2o3b2o4bobo$3b 2ob2obobo2bo2b3obob2o$7bobo4b2o4bo$7bobo9bo$8bo10b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 2 LOOP 5 THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 12 HEIGHT 480 ]]
Form by David Eppstein from October 2003
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RLE: here Plaintext: here
#O Karel Suhajda, February 2004 x = 28, y = 17, rule = B3/S23 8b2o2b2o$6b3obo2b3o$5bo4b2o4bo$5bob2o3b4o3b2o$4b2obob2o8bobo$9bob5o5b 3o$2bob2ob2obo5bo3bo3bo$5b2o5b4o5bo2bo$o3bobo2bo3bobo5bo2bob2o$o3bobo 2b2obob2obo3b2obo2bo$5b2o3b3ob2ob2o2b2ob2o$2bob2ob2ob2o7bo4bo$11bo7bob 2obo$4b2obobob2o6bobo2b2o$5bob2obo2bo3bobobobo$5bo4bobo4b2o3b2o$4b2o4b 2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 2 LOOP 5 THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 12 HEIGHT 480 ]]
Form by Karel Suhajda from February 2004
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RLE: here Plaintext: here
x = 112, y = 68, rule = B3/S23 82b3o$75b3o3bo3bo$75b3o2bo5bo2$75bobobo7bo$75bobobo7bo2$52b2o21b3o2bo 5bo7bo$27b2o24bo21b3o3bo3bo6b3o$28bo13b2o6b3o29b3o6bo9bo$28bobo11b2o6b o40b2o6b5o$14b2o13b2o67bo5bo$14b2o82bob2o2bo$97b2obobob3obo$102bo4b2o$ 8b2o69bo21b2ob2o$8b2o67b3o19b2obobob5o$12b2o46b2o15bobo18bobobo8bo$12b 2o14bob4o26b2o15bo19b2ob2ob4o3b2o$28b2o4bo62bo3bo5bo$28bo3bob2o61bo7b 2o$29b3obo63bo7b2o$7b2o88bo3bo5bo$7b2o88b2ob2ob4o3b2o$57b2o39bobobo8bo $27bo3b2o24bo41b2obobob5o$26bobo3bo5b2o3b2o13bo42b2ob2o$26b2o3bo7bo3bo 13b2o43bo4b2o$30bo6bobobobobo51b2obobob3obo$26b5obo4b2obobob2o52bob2o 2bo$26bo4bobo6bobo55bo5bo$28bo2bobo6bobo56b5o$27b2o3bo8bo59bo3$10bo59b o8bo3b2o$8b5o56bobo6bobo2bo$7bo5bo55bobo6bobo4bo$7bo2b2obo52b2obobob2o 4bob5o$3bob3obobob2o51bobobobobo6bo$3b2o4bo43b2o13bo3bo7bo3b2o$6b2ob2o 42bo13b2o3b2o5bo3bobo$b5obobob2o41bo24b2o3bo$o8bobobo39b2o$2o3b4ob2ob 2o88b2o$4bo5bo3bo88b2o$5b2o7bo63bob3o$5b2o7bo61b2obo3bo$4bo5bo3bo62bo 4b2o$2o3b4ob2ob2o19bo15b2o26b4obo14b2o$o8bobobo18bobo15b2o46b2o$b5obob ob2o19b3o67b2o$6b2ob2o21bo69b2o$3b2o4bo$3bob3obobob2o$7bo2b2obo82b2o$ 7bo5bo67b2o13b2o$8b5o6b2o40bo6b2o11bobo$10bo9bo6b3o29b3o6b2o13bo$17b3o 6bo3bo3b3o21bo24b2o$17bo7bo5bo2b3o21b2o2$24bo7bobobo$24bo7bobobo2$25bo 5bo2b3o$26bo3bo3b3o$27b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 4 HEIGHT 480 ]]
Period-435 glider gun which shows how this
pattern can be used in a Herschel track
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RLE: here Plaintext: here
x = 22, y = 15, rule = B3/S23 10b2o$8bo4bo$7bo6bo$6bo8bo$3b5ob4ob5o$3b3o10b3o$9b4o$8b6o$6bo3b2o3bo$ 5bo2bo4bo2bo2$4bobo8bobo$2obobo10bobob2o$ob2obobo6bobob2obo$6b2o6b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 2 LOOP 5 THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 12 HEIGHT 480 ]]
Another heavyweight volcano variant
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RLE: here Plaintext: here

See also

External links