Blockade

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.

Blockade
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View static image
Pattern type Constellation
Number of cells 16
Bounding box 23×10
Discovered by Unknown
Year of discovery Unknown

See also
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