Tubeater

A tubeater is a pattern that consumes the output of a tubstretcher. The smallest known tubeater was found by Nicolay Beluchenko (September 2005), and is shown below in conjunction with the smallest known tubstretcher.

x = 29, y = 23, rule = B3/S23 8bo$7b2o$7bobo2$10b2o$10b2o$23b3o$bo6b2o3bo9bo$2o5bo2bobobo9bo$obo3b2o bo3bobo10b3o$4bo9bobo$3bo11bobo5b2o$3bo2bo9bobo4bobobo$17bobo3bo3b2o$ 18bo5bo$19bo2b2o2bo$21bob4o$22b3o3bo$26b2o$27bo$27b2o$26bo$27b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ WIDTH 800 HEIGHT 600 THUMBSIZE 2 ZOOM 12 X -10 Y -10 GPS 10 AUTOSTART T 0 PAUSE 2 T 92 PAUSE 1 LOOP 93 ]]

A tubeater, eating tubs stretched by Crab (click above to open LifeViewer) RLE: here Plaintext: here

c/5 tubeaters

x = 55, y = 60, rule = B3/S23 12b2o$11b2o$13bo$15b2o$14bo2$13bo2bo$5b2o5b2o$4b2o5bo$6bo4bobo$8b2o2bo$8b2o$12bo$11bobo$8bo3bobo$7b2o4bobo$7bobo4bobo$15bobo$10b2o4bobo$10b2o5b2o$25bo$bo6b2o3bo6b2o2b3o$2o5bo2bobobo2b2o2bo$obo3b2obo3b2o2bo4bo3bo$4bo15bo3bob2o$3bo12bo2bo7b3o$3bo2bo9b2o9b2o$18bo9bo2bo2b2o$28bo2bo2b2o$16bo2bo8b2o4b2o$15b2o11b2o$16bob2o8bobo3bo4b2o$19b3o6bob2obob2o2b3o$20b8o2bob2ob3o3bo$20bo3b2o8b2o6bo$26b3o6bo5bo$22b2o3bo6b2obo3b2o$28bo6bo2b2obo$27b2o6bo7b2o2b2o$22b3obo2bobo3b3o8bo2bo$22b3o2b8ob2o5bo2b2obo$27b2o5b2obo3bob2o2bo$28bo2bo2b3o5bobo2bo$32bo$26b2o4bo8bob2o2b3ob4o$26b2o13b2o3bobo$27b2ob3o3bo2b2o3b2o2bo4b2o$29bobo5bo2bob4o3bo3bo$33bob2o2bo2bo7bobo$33bo2b2obob2o6b2obo$41b2o7bo$34b2o4bo10bo$33bob3obo$33bo5b3o$34b2o3bo2bobo$43b3o$39bo6bo$39bo3b2o$39bob2o$39bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ WIDTH 800 HEIGHT 800 THUMBSIZE 2 ZOOM 12 X -10 Y -10 GPS 10 AUTOSTART T 0 PAUSE 2 T 92 PAUSE 1 LOOP 93 ]]

A c/5 diagonal twin-lane tubeater found by Nicolay Beluchenko on August 12, 2006, attached to two c/4 crabs to form a growing spaceship (click above to open LifeViewer)

x = 94, y = 75, rule = B3/S23 45b2o$45b2o$44bo2bo$41b2obo2bo$47bo$39b2o3bo2bo$39b2o5bo$40bob5o$41bo3$38b3o$38bo$36b2o$30b2o4bo$30b3o3bo$28bo4bo$28bo3bo$32bo$27b2obobo$25b2o5bo$25b2o4b2o$27b4o3$20b2o8bo$20b2o7b3o$19bo2bo5bo$16b2obo2bo4bobobo$22bo3bobo2bobo$14b2o3bo2bo2b2o5bo2bo$14b2o5bo4bob2o3b3o$15bob5o8bo$16bo12bobo4b2o3b3o$31bo3bo2bo2b3o$30b2o2bob3ob2o$13b3o17bobo4bo$13bo19bobo4b2ob3o$11b2o21b2o5b3obo$5b2o4bo29bobo2b2o$5b3o3bo23b3o3bob2o2bo9bo$3bo4bo24b3ob4ob5o3bo5b2o16b2o$3bo3bo25b2o3bo2bo4bo2bobo3b2o3b5ob2ob3obo3b3o3b2o$7bo25b2o2b5o8b2o2bo3b2o2bobob3o2bo2bo5bo2b2o2bobo$2b2obobo29bo2b2o12bo2b6o6bo5bo3b2o2bob3o2bo$2o5bo29b2o2bo11bo3bo8bobo7bo7b3o2bo2b2o$2o4b2o31bob2o10bo2bo6bo28b2o$2b4o33b2o12bobo8bo$54bo32bo$42bo12b2o29b3o$41bobo$42bo$86bo2bo$88bo$85b2o$85b3o$86b3o$86b2o$89bo$86bo2bo2$85bo2bo$85bo$84bo2bo$83bo$77bo3b2o$76b4o$75bo7bo$74b5o$74bobobo$73b5o4bo$72bo5bo2bo$71b2obo2bo$74bo2bo$75bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ WIDTH 1200 HEIGHT 1200 THUMBSIZE 3 ZOOM 12 X -10 Y -10 GPS 10 AUTOSTART T 0 PAUSE 2 T 92 PAUSE 1 LOOP 93 ]]

A single-lane tubeater supported by a 58P5H1V1 half, found by Matthias Merzenich and Nicolay Beluchenko on January 27, 2011, consuming the output of a c/5 tubstretcher found by Merzenich on the same day (click above to open LifeViewer)

External links

• Tubeater at the Life Lexicon
• Antstretchers and tubeaters at Game of Life News. Posted by Dave Greene on March 01, 2006.
• c/5 Diagonal Twin Tubeater at Game of Life News. Posted by Heinrich Koenig on August 12, 2006.