Penny lane

	Penny lane
	<a href="/wiki/File:Pennylane.png" class="image" title="Penny lane image"><img alt="Penny lane image" src="/w/images/b/b8/Pennylane.png" decoding="async" width="137" height="97" /></a>
	<a href="/wiki/File:Pennylane.png" class="image" title="Penny lane image"><img alt="Penny lane image" src="/w/images/b/b8/Pennylane.png" decoding="async" width="137" height="97" /></a>
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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	Unspecified
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	27†
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. It is named after the song "Penny Lane" by the Beatles.

External links