User:0-engine Cordership/B-turner
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| B-turner | |||||||||
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| Pattern type | Methuselah | ||||||||
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| Number of cells | 7 | ||||||||
| Bounding box | 4 × 4 | ||||||||
| MCPS | 7 | ||||||||
| Lifespan | 384 generations | ||||||||
| Final population | 61 | ||||||||
| L/I | 54.9 | ||||||||
| F/I | 8.7 | ||||||||
| F/L | 0.159 | ||||||||
| L/MCPS | 54.9 | ||||||||
| Static symmetry | Unspecified | ||||||||
| Discovered by | B-engine | ||||||||
| Year of discovery | 2024 | ||||||||
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B-turner is an evolutionary sequence and a methuselah.
Evolution
B-turner initially grows upwards. From generation 7, it starts to grow downwards. This continues until generation 27, when a blinker is produced. The blinker survives until generation 60, where it's destroyed by the active region. A pi-heptomino emerges at generation 74, which evolves normally until generation 89, when it's turned into unnamed active region, then another pi, then a century. The century won't affect the rest of evolution. A glider, which is the only glider in the ash, emerges at generation 305. Afterwards, the rest of the active region hits a block then stabilize into 2 blocks at generation 384.
Final pattern
The final pattern that evolves from a lone B-turner consists of 12 blocks (3 from century), 5 blinkers (3 from 3/4 traffic light), 1 boat, 1 beehive and 1 tub.
| Final pattern of B-turner (click above to open LifeViewer) |
"B-turner without its first blinker"
The generation 33 of B-turner without blinker is called "B-turner without its first blinker". It's still a methuselah, which stabilizes at generation 123 into 3 blocks, 1 tub and 1 beehive.
Unlike R-turner without its first blinker, it cannot be found in census.rle.
| "B-turner without its first blinker" (click above to open LifeViewer) |
Use in conduits
Since the discovery of B-turner, it has been used as an input of some conduits. The first B-turner conduits turns B-turner into B-heptomino. Other conduits are known as well.
| The first B-turner conduits, each with different clearance (click above to open LifeViewer) |
Gallery
| The original form of B-turner which converges into the immediate child of current form.
It has same lifespan, population and smaller bounding box, but it has larger MCPS. (click above to open LifeViewer) |