Tub with two down cis tails

Tub with two down cis tails
x = 7, y = 5, rule = B3/S23 3bo$2bobo$bobobo$bo3bo$2o3b2o! #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	7 × 5
Frequency class	31.9
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-in3cr – B2-ae34-aejn5678/S012345678
Glider synthesis Fewest gliders 5 Catagolue-generated RLE synthesis
Pattern files Plaintext tubwithtwodowncistails.cells RLE tubwithtwodowncistails.rle
Identifiers apgcode xs12_178k871 Niemiec ID 12.59 Pentadecathlon ID 12.25

The tub with two down cis tails is a 12-cell still life.

Construction

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

x = 43, y = 37, rule = B3/S23 26bo$25bo$25b3o5$obo$b2o$bo21bo$21b2o$22b2o5$36b2o3b2o$37bo3bo$37bobob o$38bobo$39bo8$7b3o$9bo$8bo4$36b3o$36bo$37bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 10 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 3 T 35 PAUSE 1 T 59 PAUSE 2 LOOP 60 ]] A 5G synthesis (click above to open LifeViewer)

x = 30, y = 51, rule = B3/S23 28bo$27bo$27b3o11$9bo$9bobo$9b2o9$13bo$13bobo$13b2o$obo$b2o$bo2$23b2o 3b2o$24bo3bo$24bobobo$25bobo$obo23bo$b2o$bo4$12b3o$12bo$13bo5$10b2o$ 10bobo$10bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 10 X -8 Y 8 AUTOSTART GPS 12 T 0 PAUSE 3 T 43 PAUSE 1 T 102 PAUSE 2 LOOP 103 ]] A two-stage 7G synthesis (click above to open LifeViewer)

x = 27, y = 16, rule = B3/S23 7bo$8bo$6b3o2$13bobo$3bo9b2o$bobo10bo$2b2o2$11bobo$11b2o$2o10bo7b2o3b 2o$bo19bo3bo$bobo17bobobo$2bobo17bobo$3bo19bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THEME Book ZOOM 10 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 3 T 19 PAUSE 2 LOOP 20 ]] A different conversion from tub with tail with 4 gliders (click above to open LifeViewer)

Occurrence

Among the 121 still lifes with 12 cells, this is the 86th 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
• Hat

External links

• Tub with two down cis tails at Adam P. Goucher's Catagolue
• 12.25 at Heinrich Koenig's Game of Life Object Catalogs