Very long boat

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Very long boat
x = 5, y = 5, rule = B3/S23 bo$obo$bobo$2bobo$3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C Still life
Pattern type Strict still life
Number of cells 9
Bounding box 5×5
Frequency class 15.7
Discovered by Unknown
Year of discovery 1971

Very long boat (or long2 boat) is the long long version of the boat. When combined with a block, it can be used as a one-time splitter that turns one glider into three. It was found in 1971.[1]

x = 8, y = 13, rule = B3/S23 o$b2o$2o$6b2o$6b2o4$3b2o$2bobo$bobo$obo$bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
A glider splitter consisting of a very long boat and a block
(click above to open LifeViewer)
RLE: here Plaintext: here

Commonness

Very long boat is the twenty-seventh most common still life in Achim Flammenkamp's census, being less common than boat tie ship but more common than tub with tail.[2] It is also the thirty-sixth most common object on Adam P. Goucher's Catagolue.[3] It is the rarest still life with a 3-glider synthesis, although the pentadecathlon is even rarer.

Glider synthesis

All strict still lifes with a population of 20 or fewer cells, as well as all oscillators and spaceships with 16 or fewer cells, are known to be glider-constructible. A glider synthesis of this object can be found in the infobox to the right.

References

  1. Robert Wainwright (September 1971). Lifeline, vol 3, page 2.
  2. Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
  3. Adam P. Goucher. "Statistics". Catagolue. Retrieved on June 24, 2016.

External links

Vessels
No corners (barges) (^-2) • (^-1) • ^0^1^2^3
One corner (boats) (^-2) • (^-1) • ^0^1^2^3
Two corners (ships) (^-1) • ^0^1^2^3