Jormungant's G-to-H

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Jormungant's G-to-H
x = 27, y = 57, rule = B3/S23 15bo$16bo$14b3o8$18bo$o11b2o2b2o$3o9b2o3b2o$2bo$2bo2$19b2obo$20bob3o$ 18bobo4bo$17bob2o3b2o$17bo$16b2o11$16bo$15bobo$15bobo$13b3ob2o$12bo$ 13b3ob2o$15bob2o7$18bo6bo$o11b2o2b2o6b2o$3o9b2o3b2o5bobo$2bo$2bo2$19b 2obo$20bob3o$18bobo4bo$17bob2o3b2o$17bo$16b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ THUMBNAIL THUMBSIZE 3 WIDTH 600 HEIGHT 1000 GPS 20 LOOP 58 ZOOM 16 PAUSE 2 T 57 PAUSE 2 AUTOSTART ]]
Pattern type Conduit
Conduit type Stable
Input Glider
Output Herschel
Number of cells 38, 57
Bounding box 27×57
Discovered by Louis-François Handfield
Year of discovery 2018

Jormungant's G-to-H is one of the two stable 2G-to-H converters discovered by Louis-François Handfield (pseudonym: Jormungant) in 2018.[1] The initial stage converts two gliders into a Herschel. In the infobox pattern, a ghost Herschel marks the output location.

It is the basis of various low period guns. The eater1 on table-siamese-hookwithtail can be replaced with a BTS, but that would be one cell larger.

Without this, it would take 3 gliders to create a Herschel by using the glider synthesis of a B-heptomino, plus one extra glider to delete the B-heptomino's block. This would take 4 gliders if it is done at period 52, because the 53P13 would not fit in.

See also


  1. Louis-François Handfield (April 4, 2018). Re: Thread For Your Accidental Discoveries (discussion thread) at the forums

External links