Crinkly heptomino with hooked tail

Crinkly heptomino with hooked tail
x = 5, y = 6, rule = B3/S23 b2o$o2bo$2obo$bob2o$bo$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 3 ZOOM 21 HEIGHT 400 SUPPRESS ]] [[ ZOOM 42 ]]
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Pattern type	Strict still life
Number of cells	13
Bounding box	6 × 5
Frequency class	22.8
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 – B2-ae34-an5-kqr678/S012345678
Glider synthesis Fewest gliders 4 Catagolue-generated RLE synthesis
Pattern files Plaintext crinklyheptominowithhookedtail.cells RLE crinklyheptominowithhookedtail.rle
Identifiers apgcode xs13_32qb96 Niemiec ID 13.218 Pentadecathlon ID 13.182

Crinkly heptomino with hooked tail is a 13-cell still life.

This still life is composed of a crinkly heptomino and a hooked tail.

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crinkly heptomino		hooked tail

Construction

This still life can be constructed with 4 gliders. A number of known alternate syntheses can be found in Mark Niemiec's database. A 5-glider synthesis was found in April 2015. A 4-glider synthesis was found in June 2015.

x = 34, y = 19, rule = B3/S23 27bo$25b2o$6bo19b2o$7bo$5b3o5$32b2o$32bo$20b2o7b2obo$20bobo7bob2o$20bo 9bo2bo$31b2o2$bo$b2o$obo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 51 PAUSE 2 LOOP 52 ]] A 4G synthesis (click above to open LifeViewer)

x = 37, y = 27, rule = B3/S23 28bo$28bobo$28b2o$8bo$6bobo$7b2o4$35b2o$35bo$32b2obo$33bob2o$33bo2bo$ 34b2o4$8bo$8b2o$7bobo3$3o$2bo19b2o$bo19b2o$23bo! #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 43 PAUSE 2 LOOP 44 ]] A 5G synthesis (click above to open LifeViewer)

x = 46, y = 43, rule = B3/S23 2bo$obo$b2o$8bo$6bobo$7b2o15$3b2o$3bo25bo13b2o$2obo25b2o12bobo$bob2o 23bobo12bo$bo2bo$2b2o8$7bo$7b2o$6bobo5$34b2o$33b2o$35bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 470 THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 115 PAUSE 2 LOOP 116 ]] A 6G synthesis (click above to open LifeViewer)

Occurrence

See also: List of common still lifes, List of still lifes with 13 cells

Crinkly heptomino with hooked tail is the 119th most common still life on Adam P. Goucher's Catagolue, being less common than paperclip with tail but more common than beehive bridge bun. Among all still lifes with 13 cells, it is the 8th most common, being less common than boat with hooked nine but more common than beehive bridge bun. The octo3obj database contains one collision with crinkly heptomino with hooked tail in the final pattern.

External links

• Crinkly heptomino with hooked tail at Adam P. Goucher's Catagolue
• The 240 thirteen-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 13/13-218.rle)
• 13.182 at Heinrich Koenig's Game of Life Object Catalogs