Sidewalk

Sidewalk
x = 6, y = 5, rule = B3/S23 b2ob2o$2bobo$bo2bo$bobo$2ob2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C Still life
View static image
Pattern type	Strict still life
Number of cells	14
Bounding box	6×5
Frequency class	23.6
Discovered by	Unknown
Year of discovery	Unknown
Rules Outer-totalistic rules B/S23 – B3678/S012345678 Important rules Conway Life, HighLife # of rules 211 = 2048 Isotropic rules B/S2aek3nr – B2-ac34-aikr5-r678/S012345678
Glider synthesis Fewest gliders 4 Catagolue-generated RLE sidewalk_synth.rle Uploaded synthesis RLE sidewalk_synth.rle
Pattern files Plaintext sidewalk.cells RLE sidewalk.rle
Identifiers apgcode xs14_1no3tg Niemiec ID 14.507 Pentadecathlon ID 14.43

Sidewalk (also called pavement) is a 14-cell still life made up of two islands that are by themselves referred to as sides. An individual side can occasionally be useful as an induction coil.

It can occur when 2 pi-heptominoes collide:

x = 7, y = 4, rule = B3/S23 5b2o$2o2b2o$b2o2b2o$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART THUMBSIZE 2 HEIGHT 480 ZOOM 24 GPS 1 PAUSE 4 T 2 PAUSE 4 LOOP 3 ]]

A sidewalk predecessor. (click above to open LifeViewer) RLE: here Plaintext: here

Image gallery

A side

See also

• Eleven loop
• Mango

External links

• Sidewalk at the Life Lexicon

• Sidewalk at Adam P. Goucher's Catagolue
• The 619 fourteen-bit still-lifes at Mark D. Niemiec's Life Page