Tub with two up trans tails

Tub with two up trans tails
x = 7, y = 7, rule = B3/S23 o$3o$3bo$2bobo$3bobo$5bo$5b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 3 ZOOM 21 HEIGHT 400 SUPPRESS ]] #C [[ HEIGHT 500 THUMBSIZE 3 ZOOM 48 ]]
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Pattern type	Strict still life
Number of cells	12
Bounding box	7 × 7
Frequency class	31.3
Static symmetry	/ (D2_x)
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-in3cr – B2-ae34-aejn5678/S012345678
Glider synthesis Fewest gliders 5 Catagolue-generated RLE synthesis
Pattern files Plaintext tubwithtwouptranstails.cells RLE tubwithtwouptranstails.rle
Identifiers apgcode xs12_0g8ka23z23 Niemiec ID 12.62 Pentadecathlon ID 12.102

The tub with two up trans tails is a 12-cell still life.

Construction

A 6-glider synthesis was found in March 2021, followed by a 5G one by Alex Greason on October 5, 2024.

x = 38, y = 17, rule = B3/S23 21bo$4bobo12b2o$5b2o13b2o$5bo19bo$23b2o$24b2o3$2bo$obo$b2o28b2o$5b2o25bo$4bobo25bobo$6bo26bobo$34bo$35b3o$37bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 14 X 0 Y 4 AUTOSTART GPS 12 T 0 PAUSE 1 T 11 PAUSE 1 T 18 PAUSE 1 T 42 PAUSE 1/2 T 43 PAUSE 3/2 LOOP 44 ]]

A 5G synthesis (click above to open LifeViewer)

x = 44, y = 41, rule = B3/S23 bo$2bo$3o11$27bobo$27b2o$28bo2$10bo$11bo$9b3o8$37b2o$17b3o18bo$19bo18bobo$18bo20bobo$40bo$41b3o$43bo3$10bo$10b2o$3o6bobo$2bo$bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 10 X 0 Y 4 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 27 PAUSE 1 T 77 PAUSE 1 T 116 PAUSE 2 LOOP 117 ]]

A 6G synthesis (click above to open LifeViewer)

x = 36, y = 27, rule = B3/S23 19bo$bobo14bo$2b2o14b3o$2bo2$20bo$18b2o$19b2o2$2bo$obo26b2o$b2o27bo$30bobo$31bobo$32bo$33b3o$35bo5$23b2o$23bobo$8b2o13bo$2b3o4b2o$4bo3bo$3bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 12 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 34 PAUSE 2 LOOP 35 ]]

A 7G synthesis (click above to open LifeViewer)

x = 27, y = 16, rule = B3/S23 2o18b2o$bo9bo9bo$bobo6bo10bobo$2bobo5b3o9bobo$3bo19bo$24b3o$15bo10bo$15bobo$15b2o3$7b2o$6b2o$8bo3b2o$11b2o$13bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 12 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 3 T 8 PAUSE 1 T 19 PAUSE 2 LOOP 20 ]]

4 gliders suffice to convert tub with tail into this still life (click above to open LifeViewer)

Occurrence

See also: List of common still lifes

Among the 121 still lifes with 12 cells, this is the 75th most common still life according to Catagolue.

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

See also

• Tub with tail
• Spiral

External links

• Tub with two up trans tails at Adam P. Goucher's Catagolue
• 12.102 at Heinrich Koenig's Game of Life Object Catalogs