Difference between revisions of "Block on cover"
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{{Stilllife | {{Stilllife | ||
|name = Block | |name = Block on cover | ||
|pname = blockandtwotails | |pname = blockandtwotails | ||
|c = 12 | |c = 12 | ||
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|rulemax = B3678/S012345678 | |rulemax = B3678/S012345678 | ||
|rulespecial = [[Conway's Game of Life|Conway Life]], [[HighLife]] | |rulespecial = [[Conway's Game of Life|Conway Life]], [[HighLife]] | ||
|isorulemin = B/S2aek3ar | |||
|isorulemax = B2ikn34-ai5-kr678/S012345678 | |||
|synthesis = 4 | |synthesis = 4 | ||
|synthesisRLE = true | |synthesisRLE = true | ||
|plaintext = true | |plaintext = true | ||
|rle = true | |rle = true | ||
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|pentadecathlonid = 12.3 | |pentadecathlonid = 12.3 | ||
}} | }} | ||
'''Block | '''Block on cover''' is a 12-bit [[still life]]. It consists of a [[block]] stabilizing a [[cover]]. | ||
==[[List of common still lifes|Commonness]]== | ==[[List of common still lifes|Commonness]]== | ||
Revision as of 13:38, 26 April 2019
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 12 | ||||||||
| Bounding box | 5 × 5 | ||||||||
| Frequency class | 19.9 | ||||||||
| Discovered by | Unknown | ||||||||
| Year of discovery | Unknown | ||||||||
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Block on cover is a 12-bit still life. It consists of a block stabilizing a cover.
Commonness
Block and two tails is the fifty-sixth most common still life in Achim Flammenkamp's census, being less common than trans-hook and R-bee but more common than cis-boat on dock.[1] It is also the sixty-nineth most common object on Adam P. Goucher's Catagolue.[2]
Synthesis
On April 4, 2007 Dean Hickerson found a 4-glider synthesis of this still life.[3]
See also
References
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
- ↑ Adam P. Goucher. "Statistics". Catagolue. Retrieved on June 24, 2016.
- ↑ Dean Hickerson's 2, 3, and 4-glider syntheses pattern collection
External links
- The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page