Pre-block: Difference between revisions
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Revision as of 20:03, 27 January 2019
| Pre-block | |||||||
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| Pattern type | Miscellaneous | ||||||
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| Number of cells | 3 | ||||||
| Bounding box | 2 × 2 | ||||||
| Static symmetry | Unspecified | ||||||
| Discovered by | John Conway | ||||||
| Year of discovery | 1970 | ||||||
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Pre-block (or latent block), a triomino, is a common parent of the block. Given its compactness and distinctive form, it is a recognizable component of many other patterns, such as boat, ship, aircraft carrier, block and glider or snake; a mirrored pair comprise one phase of a beacon.
The pre-block is similar to the tub, boat, beehive and such in the sense that it can be augmented with items like tails, as in eater 1 and integral sign.
See also
External links
- Pre-block at the Life Lexicon