Boat tie long boat
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| Boat tie long boat | |||||||||
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 12 | ||||||||
| Bounding box | 7 × 7 | ||||||||
| Frequency class | 22.6 | ||||||||
| Static symmetry | Unspecified | ||||||||
| Discovered by | Robert Wainwright Everett Boyer | ||||||||
| Year of discovery | 1973 | ||||||||
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Boat tie long boat is a 12-cell still life. As its name implies, it involves a boat having been tied to a long boat.
Construction
| A 4G synthesis (click above to open LifeViewer) |
It is possible to construct a boat tie long boat with 4 gliders.[1] A number of known syntheses can be found in Mark Niemiec's database.[2]
Commonness
It is the 108th most common still life on Adam P. Goucher's Catagolue, being less common than rotated house but more common than cis-mirrored long bookend. It is the 14th most common still life with 12 cells, being less common than beehive with nine but more common than trans-mango with tail.
There are two collisions in the octo3obj database[3] and one collision in the octohash database[4] with this still life occurring in the ash.
References
- ↑ xs12_0g8o652z121 at Adam P. Goucher's Catagolue
- ↑ The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 12/12-6.rle)
- ↑ Headerless RLEs are 3bo$2bobo$2bobo2b3o2bo$3bo7b2o$11bobo4$2ob2o$2ob2o! and 2bo$bobo$bobo$2bo4b3o5$o$o$o$2b3o$2bo$3bo!
- ↑ Headerless RLE: 7b2o$bo5bobo$obo5b2o$bobo$2b2o6bo$9b2o$9bobo!
External links
- Boat tie long boat at Adam P. Goucher's Catagolue
- 12.116 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Patterns with Catagolue frequency class 22
- Natural periodic objects
- Periodic objects with minimum population 12
- Patterns with 12 cells
- Patterns found by Robert Wainwright
- Patterns found by Everett Boyer
- Patterns found in 1973
- Patterns that can be constructed with 4 gliders
- Still lifes
- Strict still lifes
- Strict still lifes with 12 cells
- Patterns with bilateral diagonal symmetry