Traffic circle

Traffic circle
x = 48, y = 48, rule = B3/S23 21b2o4b2o$21bobo2bobo$23bo2bo$22b2o2b2o$21b3o2b3o$23bo2bo$31bo$30bob2o $34bo$26bo3bo2bobo$26bo5bo2bo$26bo6b2o$9b2o$8bo2bo10b3o3b3o$7bobobo$6b 3obo15bo$6b3o17bo$26bo$12b3o$2o2bo16b3o$o2b2o5bo5bo$b5o4bo5bo2bo5bo17b o2b2o$10bo5bo2bo5bo17b2o2bo$19bo5bo7b3o6b5o$b5o6b3o$o2b2o16b3o7bo5bo$ 2o2bo26bo5bo4b5o$31bo5bo5b2o2bo$43bo2b2o$33b3o$39b2o$38b3o$37bob2o$36b obo$20b3o13bo2bo$37b2o$13b2o4bo2bo$12bo2bo$12bobobo$13bo2bo$17bo$14bob o$21bo2bo$19b3o2b3o$20b2o2b2o$21bo2bo$19bobo2bobo$19b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 10 ZOOM 6 LOOP 100 ]]
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Pattern type	Oscillator
Oscillator type	Shuttle
Number of cells	172
Bounding box	48×48
Period	100
Mod	25
Heat	154.5
Volatility	0.90
Strict volatility	0.67
Discovered by	Noam Elkies
Year of discovery	1994
Rules Outer-totalistic rules B3/S23 – B3/S238 Important rules Conway Life # of rules 21 = 2 Isotropic rules B3/S23-k – B36ae/S234c5k6ein7e8
Glider synthesis Fewest gliders 81† Catagolue-generated RLE trafficcircle_synth.rle †Can be constructed with 16 gliders using the reverse caber tosser universal constructor.
Pattern files Plaintext trafficcircle.cells RLE trafficcircle.rle
Identifiers apgcode xp100_yh3pmggmp3zyj111hx4q0i8gzy48k4oy688803088801221zggy17721yb7z1ii1vux7052y64a0ey2888y2os48a6z32011ym70ggg07y03742aczydggg070gggy6o48me6zy8cia408xeyb11zya1121woccccozyf643w346 Pentadecathlon ID 172P100.1

Traffic circle (or p100 traffic jam) is a period-100 oscillator found by Noam Elkies on October 15, 1994. It works by using four fumaroles and four molds to hassle a traffic jam so that it moves around in a circle.

GUYTU6J and iNoMed found a glider synthesis for this oscillator on June 1, 2021.

See also

• Traffic light
• Twirling T-tetsons 2

External links

• Traffic circle at the Life Lexicon

• Traffic circle at Adam P. Goucher's Catagolue

• 172P100.1 at Heinrich Koenig's Game of Life Object Catalogs