77P6H1V1

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77P6H1V1
34bob$33bobo$31b2o2bo2$30bo5b$27b2o2b2o3b$27b2o7b$27bo8b$25bobo8b$25b 2o9b$23bo2bo9b$22bo4bo8b$21bo5bo8b$18bo3bo13b$17bobo3b2o11b$16b2ob2o 15b$15b2o4bobo12b$14b2o7bo12b$13bo9bo12b$14b2o20b$15bo20b$12bo3bo19b$ 11bobo22b$10bo3bob3o17b$14bo21b$8b2o26b$9b2o25b$5b4o2b2o23b$5b2o29b2$ 4bo31b$2bo2bo30b$2bo2bo30b$bo34b$o35b$b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ ZOOM 12 TRACKLOOP 6 -1/6 -1/6 THUMBSIZE 3 GPS 3 WIDTH 560 HEIGHT 560 ]]
Pattern type Spaceship
Number of cells 77
Bounding box 36 × 36
Direction Diagonal
Period 6
Mod 6
Speed c/6 | c/6
Heat 87.3
Discovered by Josh Ball
Year of discovery 2011

77P6H1V1 is a c/6 diagonal spaceship discovered by Josh Ball on March 25, 2011,[1] being the only known spaceship of this speed not based on seal at its time of discovery. In terms of its 77 cells it is the smallest known c/6 diagonal spaceship; however, seal has a smaller bounding box. On April 22, 2020, praosylen found a pushalong for this spaceship, shown below.[2]

x = 91, y = 45, rule = B3/S23 89bo$88bobo$86b2o2bo2$85bo$82b2o2b2o$82b2o$82bo$80bobo$80b2o$78bo2bo$ 77bo4bo$76bo5bo$73bo3bo$72bobo3b2o$71b2ob2o$70b2o4bobo$69b2o7bo$68bo9b o$69b2o$70bo$67bo3bo$66bobo$65bo3bob3o$69bo$63b2o$64b2o$60b4o2b2o$60b 2o2$59bo$57bo2bo$57bo2bo$56bo$25b3o9b2o11b4obo$13b2obo8bo11bobo3bo2bo 3b2o4b2o$3b2o8b2obo8b2o7b2o4bob2o2b2o2b2o$bo3bo3b3o3bob2o12b5o2bo2b2o 4bo4bo$bo3b2ob3o6b3o2b2obo4b2obo5b3o2bo4bobo2b2o$o7b2o9bo2b2ob2o3bo15b 2ob3o$4ob2o5bo4b7ob2o4b2o3b6o7bobo$2b2o8bo3bobo9bo2bo2bobobo2bo9b2o$7b o8b2o10bo3bobo2b2o5bo4bobo$8bo29bo11b2o$38bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 ZOOM 8 WIDTH 800 HEIGHT 450 ]]
77P6H1V1 and its pushalong
(click above to open LifeViewer)
RLE: here Plaintext: here

On January 26, 2024, Goldtiger997 posted the final step for a glider synthesis of this spaceship.[3] Two days later,[4] this post was edited to include a complete synthesis with 259 gliders.

References

  1. Josh Ball (March 25, 2011). New small c/6 diagonal ship. (discussion thread) at the ConwayLife.com forums
  2. praosylen (April 22, 2020). Re: Spaceship Discussion Thread (discussion thread) at the ConwayLife.com forums
  3. Goldtiger997 (January 26, 2024). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
  4. Goldtiger997 (January 28, 2024). Message in #cgol on the Conwaylife Lounge Discord server

External links