58P5H1V1

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58P5H1V1
20b2ob$20b2ob$19bo2bo$16b2obo2bo$22bo$14b2o3bo2bo$14b2o5bob$15bob5ob$ 16bo6b3$13b3o7b$13bo9b$11b2o10b$5b2o4bo11b$5b3o3bo11b$3bo4bo14b$3bo3bo 15b$7bo15b$2b2obobo15b$2o5bo15b$2o4b2o15b$2b4o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ TRACKLOOP 5 -1/5 -1/5 THUMBSIZE 2 GPS 5 HEIGHT 480 WIDTH 480 ]]
Pattern type Spaceship
Number of cells 58
Bounding box 24×24
Direction Diagonal
Period 5
Mod 5
Speed c/5
Speed (unsimplified) c/5
Heat 64
Discovered by Matthias Merzenich
Year of discovery 2010

58P5H1V1 is an unnamed c/5 diagonal spaceship discovered by Matthias Merzenich on September 5, 2010.[1] In terms of its minimum population of 58 cells it is the smallest known c/5 diagonal spaceship. It provides sparks at its trailing edge which can perturb gliders, and this property was used to create the first c/5 diagonal puffers. These sparks also allow the attachment of tagalongs which was used to create the first c/5 diagonal wickstretcher in January 2011.[2] A period-1540 glide-symmetric three-ship puffer was discovered by Peter Naszvadi in March 2020.[3]

The final step for a glider synthesis of this spaceship was found by Goldtiger997 and Tanner Jacobi on April 2, 2020.[4] Goldtiger997 posted a complete 220-glider synthesis, including the base still life, on the next day,[5] making 58P5H1V1 the first spaceship of its speed to be synthesized. Reductions to the synthesis have since been made.[6][7][8][9] A 58P5H1V1 gun with period 2760 was posted by Entity Valkyrie on May 22.[10]

Goldtiger997 constructed a 1G seed for 58P5H1V1 on July 7, 2020.[11] A version of this seed constellation was soon proven to be glider-constructible, opening up the possibility of self-constructing spaceships with diagonal speeds approaching c/5, where the previous limit had been c/12 with the use of constructible Corderships.

Gallery

x = 85, y = 71, rule = b3/s23 82bo2b$81b2o2b$80bo4b$78b3ob2ob$77b2obo3bo$76bob3o4b$75b2obobob2ob$76b ob2obo3b$76bo8b2$53bo21bo5bo3b$52b2o21bo4bo4b$51bo22bo2bo7b$49b3ob2o 18bo11b$48b2obo3bo11bo3b2o12b$47bob3o14b4o15b$46b2obobob2o10bo7bo11b$ 47bob2obo11b5o16b$47bo16bobobo16b$30b2o31b5o4bo12b$30b2o14bo5bo9bo5bo 2bo13b$29bo2bo13bo4bo9b2obo2bo17b$26b2obo2bo12bo2bo15bo2bo17b$32bo11bo 20bo19b$24b2o3bo2bo5bo3b2o41b$24b2o5bo5b4o44b$25bob5o4bo7bo40b$26bo8b 5o45b$35bobobo45b$34b5o4bo41b$23b3o7bo5bo2bo42b$23bo8b2obo2bo46b$21b2o 12bo2bo46b$15b2o4bo14bo48b$15b3o3bo63b$13bo4bo66b$13bo3bo67b$17bo67b$ 12b2obobo67b$10b2o5bo67b$10b2o4b2o67b$12b4o69b2$25b2o58b$24b2o59b$26bo 58b3$20b2o63b$20b2o63b$19bo2bo62b$16b2obo2bo62b$22bo62b$14b2o3bo2bo62b $14b2o5bo63b$15bob5o63b$16bo68b3$13b3o69b$13bo71b$11b2o72b$5b2o4bo73b$ 5b3o3bo73b$3bo4bo76b$3bo3bo77b$7bo77b$2b2obobo77b$2o5bo77b$2o4b2o77b$ 2b4o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 ZOOM 4 ]]
The first c/5 diagonal puffer to be discovered
(click above to open LifeViewer)
RLE: here Plaintext: here
x = 55, y = 55, rule = b3/s23 45b2o8b$45b2o8b$44bo2bo7b$41b2obo2bo7b$47bo7b$39b2o3bo2bo7b$39b2o5bo8b $40bob5o8b$41bo13b3$38b3o14b$38bo16b$36b2o17b$30b2o4bo18b$30b3o3bo18b$ 28bo4bo21b$28bo3bo22b$32bo22b$27b2obobo22b$25b2o5bo22b$25b2o4b2o22b$ 27b4o24b3$20b2o8bo24b$20b2o7b3o23b$19bo2bo5bo26b$16b2obo2bo4bobobo23b$ 22bo3bobo2bobo21b$14b2o3bo2bo2b2o5bo2bo19b$14b2o5bo4bob2o3b3o19b$15bob 5o8bo24b$16bo12bobo4b2o3b3o11b$31bo3bo2bo2b3o11b$30b2o2bob3ob2o13b$13b 3o17bobo4bo14b$13bo19bobo4b2ob3o9b$11b2o21b2o5b3obo9b$5b2o4bo29bobo2b 2o7b$5b3o3bo23b3o3bob2o2bo7b$3bo4bo24b3ob4ob5o3bo4b$3bo3bo25b2o3bo2bo 4bo2bobo3b$7bo25b2o2b5o8bobo2b$2b2obobo29bo2b2o9bobob$2o5bo29b2o2bo10b obo$2o4b2o31bob2o10bob$2b4o33b2o14b2$42bo12b$41bobo11b$42bobo10b$43bob o9b$44bobo8b$45bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 ZOOM 4 ]]
The first c/5 diagonal wickstretcher to be discovered
(click above to open LifeViewer)
RLE: here Plaintext: here

See also

References

  1. Jason Summers' jslife pattern collection. Retrieved on October 28, 2020.
  2. New c/5 diagonal technology at Game of Life News. Posted by Adam P. Goucher on January 26, 2011.
  3. Peter Naszvadi (March 27, 2020). Re: Thread For Your Useless Discoveries (discussion thread) at the ConwayLife.com forums
  4. Tanner Jacobi (April 2, 2020). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
  5. Goldtiger997 (April 3, 2020). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
  6. Goldtiger997 (April 4, 2020). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
  7. Tanner Jacobi (April 4, 2020). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
  8. Goldtiger997 (May 2, 2020). Message in #cgol on the Conwaylife Lounge Discord server
  9. Goldtiger997 (May 3, 2020). Message in #cgol on the Conwaylife Lounge Discord server
  10. Entity Valkyrie (May 22, 2020). Re: Construction practice (discussion thread) at the ConwayLife.com forums
  11. Goldtiger997 (July 7, 2020). One Glider Seeds (discussion thread) at the ConwayLife.com forums

External links