Up snake on table

Up snake on table
x = 4, y = 7, rule = B3/S23 2o$bo$o$2o2$4o$o2bo! #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 × 4
Frequency class	31.8
Static symmetry	n
Discovered by	Robert Wainwright Everett Boyer
Year of discovery	1973
Rules Outer-totalistic rules B/S23 – B3678/S012345678 # of rules 211 = 2048 Isotropic rules B/S2ae3nr – B2-ac34-ainr5-r678/S012345678
Glider synthesis Fewest gliders 5 Catagolue-generated RLE synthesis
Pattern files Plaintext upsnakeontable.cells RLE upsnakeontable.rle
Identifiers apgcode xs12_32130f9 Niemiec ID 12.24 Pentadecathlon ID 12.1

The up snake on table 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 March 2023.

x = 42, y = 24, rule = B3/S23 19bo$18bo$18b3o3$2bobo$3b2o$3bo$17bo$16bo$16b3o$38bo2bo$38b4o2$38b2o$ 38bo$39bo$38b2o$25b2o$25bobo$25bo$2o$b2o$o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 380 THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 48 PAUSE 2 LOOP 49 ]] A 5G synthesis (click above to open LifeViewer)

x = 70, y = 50, rule = B3/S23 66bo2bo$37bobo26b4o$38b2o$38bo16bo10b2o$53b2o11bo$54b2o11bo$66b2o9$39b 2o$38bobo$40bo3$59b3o$59bo$60bo6$58b2o$58bobo$58bo17$b2o$obo$2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 THEME Book ZOOM 8 X 4 Y -4 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 174 PAUSE 2 LOOP 175 ]] A 6G synthesis (click above to open LifeViewer)

x = 33, y = 36, rule = B3/S23 4bo$2bobo$3b2o5$21bo$21bobo$21b2o4$19bo$19bobo$19b2o4$bo27bo2bo$2bo26b 4o$3o$29b2o$29bo$30bo$29b2o3$16b2o$16bobo$16bo10b2o$27bobo$27bo$4b2o$ 5b2o$4bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 360 THEME Book ZOOM 8 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 30 PAUSE 1 T 46 PAUSE 1 T 65 PAUSE 2 LOOP 66 ]] A 7G synthesis (click above to open LifeViewer)

x = 51, y = 49, rule = B3/S23 2bo$obo$b2o20bo24bo$24bo22bo$22b3o22b3o2$10bo25bo$11b2o22bo$10b2o23b3o 6$47bo2bo$47b4o2$47b2o$47bo$17bo30bo$17b2o28b2o$16bobo3$19b2o$20b2o$ 19bo20$6b3o$8bo$7bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 380 THEME Book ZOOM 8 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 40 PAUSE 1 T 100 PAUSE 2 LOOP 101 ]] A 8G synthesis (click above to open LifeViewer)

Occurrence

See also: List of common still lifes

Among the 121 still lifes with 12 cells, this is the 83rd 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

• Down snake on table

External links

• Up snake on table at Adam P. Goucher's Catagolue
• 12.1 at Heinrich Koenig's Game of Life Object Catalogs