Crown is a period -12 oscillator that was found by Noam Elkies on January 3, 1995 .[1] cell piece at the top of the oscillator in generation 10 (shown below in green) that is hassled by two caterers and a heavyweight emulator .
It is used in the pi orbital and p156 Hans Leo hassler .
52 -glider syntheses are known for two variants of this oscillator, one in which the caterers are oriented differently and another in which they are replaced with two jams .
By replacing the caterers with extensible p3 oscillator, an extensible crown can be made:
x = 52, y = 39, rule = B3/S23
10bo3b2o$9bobo2bo6b2o$10b2o3bo5bo6b2o$12b3obo5bo5bo6b2o$10b2o2bobo2b3o
bo5bo5bo6b2o$b2o6bo2b3obobo2bobo2b3obo5bo5bo$obo5bobo3bobo2b3obobo2bob
o2b3obo5bo5b2o$obob2o3bo3b2ob2o3bobo2b3obobo2bobo2b3obo3bobo$bobobo4b
2obo6b2ob2o3bobo2b3obobo2bobo2bo$3bo7bo5b2obo6b2ob2o3bobo2b3obobob2o$
2bo2bo5bo6bo5b2obo6b2ob2o3bobobobobo$2bo15bo6bo5b2obo6b2obo2bo3bo$2bo
3bo5bo12bo6bo5b2obo3bo3b3o$2bo3bo3b2o20bo6bo5b4o$2bo7b2ob2ob2o21bo6bo
2bo$2bo2bo4b2o4b3o3b4o4bobo15b2o$3bo8bo3b2o4b2obo7bo6bo$bobobo17b3o3bo
3bo4b2o$obob2o4bo22bo4b2ob2o$obo7bo6bo12bobo5b2o$b2o5bob2o5bo6bo15bo$
7b2o6bob2o5bo6bo$6bo4b2ob2o6bob2o5bo6bo$8b2o2bobo3b2ob2o6bob2o5bo$4bob
o3bobob3o2bobo3b2ob2o6bob2o$4bo5bobobo2bobob3o2bobo3b2ob2o3bo$5b4obobo
b3o2bobo2bobob3o2bobo3bobo$6bob2o3bo5bob3o2bobo2bobob3o2bo$6bo7bo5bo5b
ob3o2bobo2b2o$5bob3o3b2o6bo5bo5bob3o$7bo2bo9b2o6bo5bo3b2o$4bobo2b2o16b
2o6bo2bobo$3b2o29b2o3bo$3b2o$4bobo2$4bo2bo$4bobo$5bo!
#C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
#C [[ AUTOSTART THUMBSIZE 2 ZOOM 10 WIDTH 600 HEIGHT 480 GPS 6 LOOP 13 ]]
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Generation 10 reveals a piece that by itself is sometimes referred to as the crown
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