Barge with very long tail

Barge with very long tail
x = 5, y = 8, rule = B3/S23 bo$obo$bobo$2bobo$4bo$3bo$2bo$2b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 3 ZOOM 21 HEIGHT 400 SUPPRESS ]]
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Pattern type	Strict still life
Number of cells	12
Bounding box	8 × 5
Frequency class	33.2
Static symmetry	Unspecified
Discovered by	Robert Wainwright Everett Boyer
Year of discovery	1973
Rules Outer-totalistic rules B/S23 – B35678/S012345678 # of rules 212 = 4096 Isotropic rules B/S2-i3cn – B2in34-ejkr5678/S012345678
Glider synthesis Fewest gliders 6 Catagolue-generated RLE synthesis
Pattern files Plaintext bargewithverylongtail.cells RLE bargewithverylongtail.rle
Identifiers apgcode xs12_25akg84c Niemiec ID 12.57 Pentadecathlon ID 12.114

The barge with very long tail is a 12-cell still life.

Construction

This still life is known to be constructible with 5 gliders. A 6-glider synthesis was found in July 2022. A 5-glider synthesis was found in April 2023.

x = 41, y = 43, rule = B3/S23 obo$b2o$bo20$22bobo$22b2o$23bo2$26bo$25bo$25b3o6$37b2o$38bo$37bo$36bo$ 36bobo$37bobo$7b3o3b2o23bobo$9bo2bobo24bo$8bo5bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 550 THEME Book ZOOM 10 Y 7 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 49 PAUSE 1 T 125 PAUSE 2 LOOP 126 ]] A 5G synthesis (click above to open LifeViewer)

x = 53, y = 69, rule = B3/S23 29bo5bobo$27b2o6b2o$28b2o6bo9$44bo$43bo$43b3o6$49b2o$50bo$49bo$48bo$ 24b2o22bobo$24bobo22bobo$24bo25bobo$bo15bo33bo$b2o14b2o$obo13bobo2$36b o$36bobo$36b2o8$29bo5bobo$27b2o6b2o$28b2o6bo9$44bo$43bo$43b3o6$49b2o$ 50bo$49bo$48bo$24b2o22bobo$24bobo22bobo$24bo25bobo$17bo33bo$17b2o$16bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 640 THEME Book ZOOM 8 AUTOSTART GPS 12 T 0 PAUSE 3 T 47 PAUSE 1 T 108 PAUSE 2 LOOP 109 ]] Two variants of a 6G synthesis (click above to open LifeViewer)

x = 36, y = 28, rule = B3/S23 21bo$19b2o$20b2o3bo$25bobo$25b2o7$4bo$2bobo$3b2o$15bo$14bo18b2o$7b3o4b 3o16bo$9bo24bo$8bo26bo$33bobo$32bobo$7b2o22bobo$6bobo23bo$8bo2$3o$2bo$bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 3 T 23 PAUSE 1 T 45 PAUSE 2 LOOP 46 ]] A 7G synthesis (click above to open LifeViewer)

x = 59, y = 25, rule = B3/S23 6bobo37bobo$7b2o38b2o$7bo39bo2$3bo13b2o27bo10b2o$4b2o10b2o29bo8b2o$3b 2o13bo14b2o10b3o10bo$34bo$33bo$32bo$14bo17bobo8b2o9bo$13bobo17bobo6bob o8bobo$14bobo17bobo7bo9bobo$15bo19bo19bo4$b2o$obo$2bo13bo$15b2o25b2o$ 15bobo25b2o$42bo14bo$56b2o$56bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THEME Book ZOOM 8 AUTOSTART GPS 12 T 0 PAUSE 3 T 31 PAUSE 2 LOOP 32 ]] Two conversions from the barge (click above to open LifeViewer)

Occurrence

See also: List of common still lifes

On Catagolue, this is the 99th most common 12-cell still life, the 1835th most common still life and the 1909th most common pattern.

There are no collisions in octohash, octo3obj or octo3g databases with this still life occurring in the ash.

External links

• Barge with very long tail at Adam P. Goucher's Catagolue
• 12.114 at Heinrich Koenig's Game of Life Object Catalogs