Bunnies is a 9-cell methuselah found by Robert Wainwright . In 1986 , Andrew Trevorrow independently discovered rabbits , the generation 1 of bunnies, that also has 9 cells and a smaller bounding box .
Stable pattern Generation 17332 of bunnies, excluding escaped gliders
The stable pattern that results from bunnies has 1744 cells and consists of 136 blinkers (including 14 traffic lights ), 109 blocks , 65 beehives (including three honey farms ), 40 gliders , 18 boats , 18 loaves , seven ships , four tubs , three ponds and two toads .[1]
Variants
The common stage of other bunnies variants
Several methuselahs have been discovered later that converge to the bunnies sequence. The bottleneck stage at generation 13 of bunnies appears at generation 91 of bunnies 9 , 104 of bunnies 10 (excluding an escaped glider), 106 of bunnies 10a , 112 of bunnies 10b and 146 of bunnies 11 (excluding an escaped glider), together with a hexaplet spark that dies off after another six generations. These methuselahs are tabulated below:
Lifespan (L)
Pattern andBounding box
MCPS
Initial population (I)
Final population (F)
L/I
F/I
F/L
L/MCPS
17465
x = 4, y = 6, rule = B3/S23
2bo$2obo$3bo$bobo$o$b3o!
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Bunnies 11Tomas Rokicki , ?[1] LifeViewer )RLE :here Plaintext :here
4×6
12
11
1749
1587.7
159
0.1
1455.4
17431
x = 9, y = 6, rule = B3/S23
3o$3bob2o$5bo$6bo$7bo$8bo!
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Bunnies 10bNick Gotts , November 8, 2019 [2] LifeViewer )RLE :here Plaintext :here
9×6
12
11
1744
1584.6
158.5
0.1
1452.6
17425
x = 7, y = 5, rule = B3/S23
bo$3obo$5bo$o3b2o$6bo!
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Bunnies 10aNick Gotts , June 4, 2019 [3] Aidan F. Pierce [4] LifeViewer )RLE :here Plaintext :here
7×5
12
10
1744
1742.5
174.4
0.1
1452.1
17423
x = 6, y = 6, rule = B3/S23
3obo$4b2o2$2bobo$3bo$3bo!
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Bunnies 10Tomas Rokicki , ?[1] LifeViewer )RLE :here Plaintext :here
6×6
12
10
1749
1742.3
174.9
0.1
1451.9
17410
x = 8, y = 7, rule = B3/S23
bo$2o5bo$6bo$6bo$5bo$4bo$4bo!
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Bunnies 9Paul Callahan , ?[1] LifeViewer )RLE :here Plaintext :here
8×7
12
9
1744
1934.4
193.8
0.1
1450.8
17332
x = 8, y = 4, rule = B3/S23
o5bo$2bo3bo$2bo2bobo$bobo!
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BunniesRobert Wainwright , ?LifeViewer )RLE :here Plaintext :here
8×4
11
9
1744
1925.8
193.8
0.101
1575.6
17331
x = 7, y = 3, rule = B3/S23
o3b3o$3o2bo$bo!
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RabbitsAndrew Trevorrow , 1986 [1] LifeViewer )RLE :here Plaintext :here
7×3
10
9
1744
1925.7
193.8
0.101
1733.1
Currently, bunnies 10b is the longest-lived known 10-cell methuselah while bunnies 9 is the longest-lived known with 9 or fewer cells. The original form of bunnies 10a has a slightly larger bounding box.
x = 8, y = 5, rule = B3/S23
2bo$ob2obo$6bo$o4b2o$7bo!
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Original form of bunnies 10a (click above to open LifeViewer )RLE :here Plaintext :here
See also References External links
