Block

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Block
x = 2, y = 2, rule = B3/S23 2o$2o! #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 4
Bounding box 2 × 2
Static symmetry Unspecified
Discovered by John Conway
Year of discovery 1970

Block is an extremely well-known and common still life that was found by John Conway in 1970. In terms of its 4 cells it is tied with tub as the smallest still life, and in terms of its 2×2 bounding box it is the outright the smallest. It is also the most common still life, occurring almost twice as often as beehive, the next most common still life.[1]

The block was one of the patterns described in the original 1970 article by Martin Gardner that introduced the Game of Life to the world.

Simple collapsible table
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See also

References

  1. ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.