Eater tail tie ship

Eater tail tie ship
x = 5, y = 7, rule = B3/S23 b2o$bobo$3bo$3b2o$b2o$obo$2o! #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	5 × 7
Frequency class	25.3
Static symmetry	Unspecified
Discovered by	Unknown
Year of discovery	Unknown
Rules Outer-totalistic rules B/S23 – B378/S012345678 # of rules 210 = 1024 Isotropic rules B/S2aek3knr – B2-ae34-anw5-q6-n78/S012345678
Glider synthesis Fewest gliders 4 Catagolue-generated RLE synthesis
Pattern files Plaintext eatertailtieship.cells RLE eatertailtieship.rle
Identifiers apgcode xs13_356o8a6 Niemiec ID 13.11 Pentadecathlon ID 13.71

Eater tail tie ship is a 13-cell still life.

Construction

This still life can be constructed with 4 gliders. A 4-glider synthesis was found by Dean Hickerson on March 28, 2007.

x = 38, y = 29, rule = B3/S23 16bo$16bobo$16b2o$2bo$3bo$b3o2$36b2o$35bobo$35b2o$33b2o$34bo$34bobo$ 35b2o5$19b2o$19bobo$19bo6$2o$b2o$o! #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 28 PAUSE 1 T 53 PAUSE 2 LOOP 54 ]] A 4G synthesis (click above to open LifeViewer)

x = 25, y = 16, rule = B3/S23 2bo$obo10bo$b2o9bo$12b3o6$3bo19b2o$2bobo17bobo$2b2o18b2o$2o18b2o$bo19b o$bobo17bobo$2b2o18b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 1 T 14 PAUSE 3 T 28 PAUSE 2 LOOP 29 ]] A conversion from boat tie eater tail (click above to open LifeViewer)

Conversions

9 gliders suffice for a conversion from an eater 1; 5 gliders suffice for a conversion from boat tie ship.

x = 38, y = 29, rule = B3/S23 13b2o$13b3o$12bob2o$12b3o$13bo2$24bo$24bobo$24b2o2$2bo$obo3bo$b2o4b2o 13bo$6b2o14bobo$22b2o5$36b2o$35bobo$35b2o$13b2o18b2o$14bo19bo$14bobo 17bobo$15b2o18b2o$2b3o20b2o$4bo20bobo$3bo21bo! #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 47 PAUSE 2 LOOP 48 ]] A conversion from eater 1 (click above to open LifeViewer)

x = 38, y = 22, rule = B3/S23 27bobo$2bo24b2o$obo25bo$b2o13b2o18b2o$5bo9bobo17bobo$6bo8b2o18b2o$4b3o 6b2o18b2o$12bobo19bo$13bo20bobo$35b2o6$23b3o$23bo$24bo2$3b2o$2bobo$4bo! #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 34 PAUSE 2 LOOP 35 ]] A conversion from boat tie ship (click above to open LifeViewer)

Occurrence

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

Eater tail tie ship is the 27th most common 13-cell still life out of 240.

There are no occurrences of this still life in final patterns of collisions catalogued in octohash, octo3obj or octo3g databases.

Isomers

This still life is comprised of the normally stable ship having been tied to the normally stable eater 1. This is one of two possible ties, in which the ship is attached to the "tail" segment of the eater; the other possible version, eater head tie ship, has the ship attached to the "head" segment of the eater instead.

External links

• Eater tail tie ship at Adam P. Goucher's Catagolue
• 13.71 at Heinrich Koenig's Game of Life Object Catalogs
• The 240 thirteen-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 13/13-11.rle)