Fuse with tail and very long tail

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Fuse with tail and very long tail
x = 5, y = 8, rule = B3/S23 b2o$2bo$bo$o$obo$bobo$3bo$3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 3 ZOOM 21 HEIGHT 400 SUPPRESS ]]
Pattern type Strict still life
Number of cells 12
Bounding box 8 × 5
Frequency class 31.4
Static symmetry Unspecified
Discovered by Robert Wainwright
Everett Boyer
Year of discovery 1973

The fuse with tail and very long tail is a 12-cell still life.

Construction

This still life is known to be constructible with 6 gliders.[1] A 6-glider synthesis was found in July 2020.[2] Several known alternate syntheses can be found in Mark Niemiec's database.[3]

x = 57, y = 37, rule = B3/S23 bo$2bo$3o19$52b2o$30bobo20bo$31b2o20bobo$31bo22bobo$56bo$55bo$20b2o32b o$19bobo10b3o19b2o$21bo10bo$33bo2$43b2o$43bobo$36bo6bo$35b2o$35bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 THEME Book ZOOM 10 X 8 Y 8 AUTOSTART GPS 12 T 0 PAUSE 3 T 10 PAUSE 1 T 84 PAUSE 1 T 99 PAUSE 2 LOOP 100 ]]
A 6G synthesis[2]
(click above to open LifeViewer)
x = 43, y = 45, rule = B3/S23 29bo$29bobo$29b2o$39bo$38bo$38b3o9$39bo$39bobo$39b2o$24bo$24bobo$24b2o $7bo$8b2o$7b2o29b2o$39bo$39bobo$40bobo$42bo$12b3o26bo$14bo25bo$13bo26b 2o5$bo$b2o$obo2$36b3o$36bo$37bo2$36bo$35b2o$35bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 THEME Book ZOOM 10 X 4 Y 0 AUTOSTART GPS 12 T 0 PAUSE 3 T 16 PAUSE 1 T 24 PAUSE 1 T 72 PAUSE 2 LOOP 73 ]]
A 9G synthesis[3]
(click above to open LifeViewer)

Occurrence

Among the 121 still lifes with 12 cells, this is the 80th 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.

References

  1. xs12_32akg84c at Adam P. Goucher's Catagolue
  2. 2.0 2.1 Ian07 (July 18, 2020). Re: Randomly enumerating glider syntheses (discussion thread) at the ConwayLife.com forums
  3. 3.0 3.1 The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 12/12-46.rle)

External links