Boat with hooked nine

Boat with hooked nine
x = 7, y = 5, rule = B3/S23 2b2o$bo2bo$obobo$b2obobo$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	13
Bounding box	7 × 5
Frequency class	22.7
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/S2-cn3n – B2ikn34-ijn5-ckqr678/S012345678
Glider synthesis Fewest gliders 4 Catagolue-generated RLE synthesis
Pattern files Plaintext boatwithhookednine.cells RLE boatwithhookednine.rle
Identifiers apgcode xs13_31egma4 Niemiec ID 13.185 Pentadecathlon ID 13.61

Boat with hooked nine is a 13-cell still life.

This still life is named in analogy to boat with hooked tail; an alternate name, 13-boat wrap eater, is also used, but discouraged.

Construction

This still life can be constructed with 4 gliders. Several known alternate syntheses can be found in Mark Niemiec's database.

x = 37, y = 27, rule = B3/S23 29bo$28bo$28b3o4$2bobo$3b2o$3bo4$32b2o$31bo2bo$30bobobo$31b2obobo$35b 2o6$16b2o$16bobo$bo14bo$b2o$obo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 66 PAUSE 2 LOOP 67 ]] A 4G synthesis (click above to open LifeViewer)

x = 35, y = 20, rule = B3/S23 16bo7bo$obo12bo8bobo$b2o12b3o6b2o$bo4$30b2o$29bo2bo$28bobobo$29b2obobo $33b2o6$15b2o4b2o$15bobo3bobo$15bo5bo! #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 32 PAUSE 2 LOOP 33 ]] A 5G synthesis (click above to open LifeViewer)

Occurrence

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

This is the 113rd most common still life on Adam P. Goucher's Catagolue, and the seventh most common still life with 13 cells.

There is a three-glider collision with this still life in the ash.

See also

• Boat with nine
• Twelve loop

External links

• Boat with hooked nine at Adam P. Goucher's Catagolue
• The 240 thirteen-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 13/13-185.rle)
• 13.61 at Heinrich Koenig's Game of Life Object Catalogs