Mirrored dock

Mirrored dock (or cis-dock on dock or cis-long house on long house or long dead spark coil) is a still life composed of two docks facing each other. It can eat gliders from four directions.

Mirrored dock
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Pattern type Strict still life
Number of cells 20
Bounding box 6×7
Frequency class 19.2
Discovered by Unknown
Year of discovery Unknown

Commonness

Mirrored dock is the fifty-third most common still life in Achim Flammenkamp's census, being less common than cis-shillelagh but more common than broken snake.[1] It is also the fifty-seventh most common object on Adam P. Goucher's Catagolue.[2]

gollark: Chess but it's a torus.
gollark: Chess but you may arbitrarily add extra boards onto any side as desired.
gollark: You said "queens", I said "royal".
gollark: Chess but ALL your pieces are royal at the same time.
gollark: Chess but there's a free market for pieces.

See also

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