Penny lane

Penny lane
x = 15, y = 10, rule = B3/S23 3b2o5b2o$3bo7bo$2obo2bobo2bob2o$2obobo3bobob2o$4bo2bo2bo$5b5o2$7bo$6bo bo$7bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 2 ZOOM 20 LOOP 4 ]]
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Pattern type	Oscillator
Number of cells	34
Bounding box	15 × 10
Period	4 (mod: 4)
Heat	6
Volatility	0.24 | 0.20
Kinetic symmetry	-c
Discovered by	David Buckingham
Year of discovery	1972
Rules Outer-totalistic rules B3/S23 – B38/S2378 # of rules 23 = 8 Isotropic rules B3aikqy/S23-jkny – B34ckqrwyz5-jry6-i7c8/S234-ar5-i6-i78
Glider synthesis Fewest gliders 23† Catagolue-generated RLE synthesis Uploaded synthesis RLE pennylane_synth.rle †Can be constructed with 15 gliders using the reverse caber tosser universal constructor.
Pattern files Plaintext pennylane.cells RLE pennylane.rle
Identifiers apgcode xp4_o8bbgzxv4v04a4z32qq1 Pentadecathlon ID 34P4.11

Penny lane is a period-4 oscillator that was found by David Buckingham in 1972. It uses two blocks and a tub as induction coils.

x = 69, y = 15, rule = B3/S23 13bo11bo11bo11bo11bo$12bobo9bobo9bobo9bobo9bobo$13bo11bo11bo11bo11bo2$ 11b5o7b5o7b5o7b5o7b5o$3b2o5bo2bo2bo5bo2bo2bo5bo2bo2bo5bo2bo2bo5bo2bo2b o$3bo7bo3bo7bo3bo7bo3bo7bo3bo7bo3bobob2o$2obo2bobo3bobo3bobo3bobo3bob o3bobo3bobo3bobo3bobo3bobo2bob2o$2obobo3bo7bo3bo7bo3bo7bo3bo7bo3bo7bo $4bo2bo2bo5bo2bo2bo5bo2bo2bo5bo2bo2bo5bo2bo2bo5b2o$5b5o7b5o7b5o7b5o7b 5o2$7bo11bo11bo11bo11bo$6bobo9bobo9bobo9bobo9bobo$7bo11bo11bo11bo11bo ! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 2 AUTOSTART ZOOM 8 ]]

An extended version of penny lane (click above to open LifeViewer) RLE: here Plaintext: here

External links

• Penny lane at the Life Lexicon

• Penny lane at Adam P. Goucher's Catagolue

• 34P4.11 at Heinrich Koenig's Game of Life Object Catalogs