p15 bumper

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p15 bumper
x = 72, y = 64, rule = B3/S23 71bo$69b2o$70b2o9$59bo$58bo$58b3o17$b2o38bo$2o37b2o$2bo37b2o9$12b2o15b o$12bobo13bo$12bo15b3o9$6b2o4b2o6b2o$5bo2bo2bo2bo4bo2bo$5bo2bo2bo2bo5b obo$6bob4obo7bo$8bo2bo$25b2o$25bo$5b2o6b2o11b3o$3bo4bo2bo4bo11bo$3bo4b o2bo4bo$3bo4bo2bo4bo$5b2o6b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ THUMBSIZE 2 X -16 Y 16 Z 12 GPS 15 HEIGHT 480 AUTOSTART LOOP 120 ]]
Pattern type Reflector
Number of cells 42
Bounding box 27×14
Angle 90°
Period 15
Heat Unknown
Discovered by Tanner Jacobi
Year of discovery 2016

p15 bumper is a periodic colour-preserving glider reflector with Karel's p15 providing the necessary spark. The minimum repeat time is 45 ticks. For an equivalent colour-changing periodic glider reflector see p15 bouncer. A stable Snark reflector can be substituted for any bumper. This changes the timing of the output glider, which can be useful for rephasing periodic glider streams. A p3 bumper or p5 bumper can also be substituted for a p15 bumper if that allows for a better fit with nearby circuitry.

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