L122

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L122
x = 21, y = 51, rule = B3/S23 13b2o$13bo$11b3o15$2b2o$2bobo6b2o$4bo6b2o$4b2o2$4b2o$2bo2bo$2b2o5$9bo$ 9bobo$9b3o5b2o$11bo5b2o5$8bo7b2o$7bobo7bo$7bobo7bob2o$8bo7b2o2bo$2b2o 9bo4b2o$bobo9b5o$bo9b2o4bo$2o10bo2b2o$12bobo$7bo2bobobo$7b4ob2o$11bo$ 9bobo$9b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ ZOOM 10 X 0 Y 0 GPS 20 LOOP 157 PAUSE 2 T 122 PAUSE 2 WIDTH 480 HEIGHT 540 THUMBSIZE 2 ]]
Pattern type Conduit
Conduit type Elementary
Input Herschel
Number of cells 74
Output orientation Turned left
Output offset (3, -30)
Step 122 ticks
Recovery time
(ignoring FNG if any)
100 ticks
Minimum overclock period
(ignoring FNG if any)
Unknown
Spartan? No
Dependent? Yes
Discovered by Aidan F. Pierce
Tanner Jacobi
Year of discovery 2020

L122 is an elementary stable Herschel conduit completed by Aidan F. Pierce in July 2020.[1] After 122 ticks, it produces a Herschel turned 90 degrees counterclockwise at (3, -30) relative to the input. Its recovery time is 100 ticks. It is considered a dependent conduit because the input Herschel's first natural glider is not produced. In the pattern shown in the infobox, a ghost Herschel marks the output location.

The supported beehive catalyst works just as well in mirror image, but then the eater 4 leaves less space for the preceding Herschel conduit to fit. The beehive can be replaced by a tub for a smaller recovery time.[2] An Fx77 conduit can precede the L122 if the aircraft carrier in the northwest catalyst is replaced by an eater 1.

The original form of this conduit was a periodic version using a heavyweight emulator, found by Tanner Jacobi in January 2016.[3] This was followed in July 2020 by a compact p2 conduit using killer toads by Entity Valkyrie,[4] with recovery time 90 instead of 100. This reduced the size of several guns in the reference glider gun collection.[5]

x = 23, y = 44, rule = B3/S23 12b2o$12bo$10b3o15$b2o$bobo6b2o$3bo6b2o$3b2o2$3b2o$bo2bo$b2o2$19b2o$ 19bobo$21bo$8bo12b2o$8bobo$8b3o5b2o$10bo5b2o6$2b2o8b2o$2bo10bo$3b10o$ 3o2b6o2b3o$o2bo2b4o2bo2bo$b2o10b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ZOOM 10 X 0 Y 0 GPS 20 LOOP 157 PAUSE 2 T 122 PAUSE 2 WIDTH 480 HEIGHT 540 THUMBSIZE 2 ]]
p4 version using a heavyweight emulator
(click above to open LifeViewer)
RLE: here Plaintext: here
x = 17, y = 41, rule = B3/S23 11b2o$11bo$9b3o15$2o$obo6b2o$2bo6b2o$2b2o2$4o$o2bo6$7bo$7bobo$7b3o5b2o $9bo5b2o5$3b2o3b2o$5bobo$2bo7bo$3b2o3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ZOOM 10 X 0 Y 0 GPS 20 LOOP 157 PAUSE 2 T 122 PAUSE 2 WIDTH 480 HEIGHT 540 THUMBSIZE 2 ]]
p2 version using toads
(click above to open LifeViewer)
RLE: here Plaintext: here

References

  1. Aidan F. Pierce (July 20, 2020). Re: Thread for your Useless Discoveries (discussion thread) at the ConwayLife.com forums
  2. JP21 (August 6, 2020). Re: The Hunting of the Elementary Conduits (discussion thread) at the ConwayLife.com forums
  3. Tanner Jacobi (January 19, 2016). Re: The Hunting of the Elementary Conduits (discussion thread) at the ConwayLife.com forums
  4. Entity Valkyrie 2 (July 20, 2020). Re: Thread for your Useless Discoveries (discussion thread) at the ConwayLife.com forums
  5. Chris Cain (July 20, 2020). "Attempt at organising small glider guns in Conway's Game of Life".