p11 bouncer

p11 bouncer
x = 41, y = 39, rule = B3/S23 38bobo$38b2o$39bo3$34bo$32b2o$33b2o5$2o$obo$o2$23bo$21b2o$5b3o14b2o$5b o$6bo2$16bobo$16b2o$17bo$4b2o$5bo$2obo$ob3o12b2o$6bo6b2o2b2o$4b2o6bobo $3bo2bo6bo$3bo2b2obo$2obo3bob2o4b2o$2obobo5bo3bo$4b2ob4o5b3o$6bo11bo$ 6bobo$7b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ THUMBSIZE 3 ZOOM 15 WIDTH 800 HEIGHT 600 X -8 Y 8 GPS 11 AUTOSTART LOOP 66 ]]
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Pattern type	Reflector Oscillator
Number of cells	57
Bounding box	19 × 14
Angle	90°
Period	11
Heat	Unknown
Colour	Colour-changing
Discovered by	David Raucci Noam Elkies Martin Grant
Year of discovery	2021
Rules Outer-totalistic rules B3/S23 – B3/S2378 # of rules 22 = 4 Isotropic rules B3/S23-c – B34ce7c/S234cet5ek6ae78
Pattern files Plaintext p11bouncer.cells RLE p11bouncer.rle

p11 bouncer is a colour-changing glider reflector constructed by David Raucci in December 2021, with a minimum repeat time of 22 ticks that is the smallest possible for bouncers. It is Noam Elkies' standard bouncer constellation consisting of a boat, eater 1, and block, with a domino spark provided by an oscillator found by Martin Grant in June. For colour-preserving glider reflectors see p11 bumper and the stable Snark reflector.