Eater head siamese snake

Eater head siamese snake
x = 7, y = 4, rule = B3/S23 2ob2o$ob2obo$5bo$5b2o! #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	11
Bounding box	7 × 4
Frequency class	26.5
Static symmetry	Unspecified
Discovered by	Unknown
Year of discovery	Unknown
Rules Outer-totalistic rules B/S23 – B3678/S012345678 # of rules 211 = 2048 Isotropic rules B/S2aek3jnr – B2ikn34-anr5-q678/S012345678
Glider synthesis Fewest gliders 5 Catagolue-generated RLE synthesis
Pattern files Plaintext eaterheadsiamesesnake.cells RLE eaterheadsiamesesnake.rle
Identifiers apgcode xs11_178c48c Niemiec ID 11.29 Pentadecathlon ID 11.2

Eater head siamese snake is a small still life consisting of an eater 1's head fused with a snake.

Construction

Eater head siamese snake is known to be constructible with 5 gliders. Several known syntheses of this still life can be found in Mark Niemiec's database. A 5-glider synthesis was found and submitted to Catagolue by Carson Cheng in April 2022.

x = 38, y = 26, rule = B3/S23 obo28b2o$b2o29bo$bo6bo23bob2obo$9bo23b2ob2o$7b3o11$16b2o$16bobo$16bo5$ 20b2o$20bobo5b2o$20bo6b2o$29bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 380 THEME Book ZOOM 10 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 1 T 16 PAUSE 3 T 23 PAUSE 1 T 73 PAUSE 1 T 82 PAUSE 1 T 83 PAUSE 2 LOOP 84 ]] A 5G synthesis (click above to open LifeViewer)

x = 39, y = 37, rule = B3/S23 2o$bo$bob2obo$2b2ob2o7$31bo$30bo$30b3o3$7b3o$9bo$8bo28b2o$36b2o$38bo5$ 13b2o$12bobo$14bo8$3b3o29b2o$5bo29bobo$4bo30bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 THEME Book ZOOM 10 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 33 PAUSE 1 T 64 PAUSE 1 T 75 PAUSE 1 T 107 PAUSE 1 T 108 PAUSE 2 LOOP 109 ]] A 6G synthesis (click above to open LifeViewer)

x = 40, y = 37, rule = B3/S23 7bo$8b2o$7b2o4$21bo$7bobo10bo$8b2o10b3o$8bo2$22bo$20b2o$21b2o$33b2o$ 34bo$34bob2obo$35b2ob2o8$8b3o26b3o$10bo26bo$9bo28bo7$3o$2bo$bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 380 THEME Book ZOOM 10 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 1 T 16 PAUSE 3 T 26 PAUSE 1 T 63 PAUSE 1 T 64 PAUSE 2 LOOP 65 ]] A 7G synthesis (click above to open LifeViewer)

Occurrence

Eater head siamese snake is the 30th most common 11-cell still life out of 46.

This still life does not occur in final patterns of collisions in octohash, octo3obj or octo3g databases.

External links

• Eater head siamese snake at Adam P. Goucher's Catagolue
• The 46 eleven-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 11/11-29.rle)
• 11.2 at Heinrich Koenig's Game of Life Object Catalogs