Blockade

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Blockade
x = 23, y = 10, rule = B3/S23 2o$2o3$b2o17b2o$b2o17b2o3$21b2o$21b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C Still life
Pattern type Constellation
Number of cells 16
Bounding box 23 × 10
Discovered by Unknown
Year of discovery 1970

The blockade is a common formation of four blocks and is one of the familiar fours. A common evolutionary sequence that leads to its formation is known as lumps of muck, which can be seen by letting the stairstep hexomino evolve.

A half-blockade is an 8-bit constellation consisting of two blocks with two empty rows separating them, offset by one cell. It most commonly forms as part of a blockade, but there are ways it can form by itself, such as the heptomino that is the orthogonally connected part of the MWSS in its less dense phase.

x = 12, y = 7, rule = B3/S23 b2o$b2o2$8bo$2o5bo$2o5bo3bo$7b4o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 8 THUMBSIZE 2 ]]
A half-blockade can eat an LWSS (click above to open LifeViewer)
RLE: here Plaintext: here

See also

External links