- H -

  • hheptomino

    https://conwaylife.com/wiki/H-heptomino https://www.conwaylife.com/patterns/hheptomino.rle

    Size:4x4 | Rule:23/3

  • hlx53b

    https://conwaylife.com/wiki/Lx73 https://www.conwaylife.com/patterns/hlx53b.rle

    Size:24x20 | Rule:23/3

  • hf132b

    https://conwaylife.com/wiki/HLx111R https://www.conwaylife.com/patterns/hf132b.rle

    Size:27x33 | Rule:23/3

  • halfmaxv3

    A half spacefiller found in 2005.

    Size:111x84 | Rule:23/3 | @lifewiki

  • hexagonalkey

    https://conwaylife.com/wiki/Hexagonal_key https://www.conwaylife.com/patterns/hexagonalkey.rle

    Size:6x6 | Rule:23/3

  • hl75p

    https://conwaylife.com/wiki/HL75P https://www.conwaylife.com/patterns/hl75p.rle

    Size:28x26 | Rule:23/3

  • honeyfarmrestoringloaf

    https://conwaylife.com/wiki/Loaf https://www.conwaylife.com/patterns/honeyfarmrestoringloaf.rle

    Size:23x8 | Rule:23/3

  • harbor

    A period 5 oscillator found in September 1978.

    Size:17x17 | Rule:23/3 | @lifewiki

  • hooks

    A period 5 oscillator.

    Size:11x10 | Rule:23/3 | @lifewiki

  • hooktesttubebaby

    https://conwaylife.com/wiki/Hook_test_tube_baby https://conwaylife.com/patterns/hooktesttubebaby.rle

    Size:10x5 | Rule:23/3

  • halfbakery

    https://conwaylife.com/wiki/Half-bakery https://conwaylife.com/patterns/halfbakery.rle

    Size:7x7 | Rule:23/3

  • hfx58b

    https://conwaylife.com/wiki/HFx58B https://www.conwaylife.com/patterns/hfx58b.rle

    Size:32x92 | Rule:23/3

  • heart

    A period 5 oscillator.

    Size:11x11 | Rule:23/3 | @lifewiki

  • htog0stamp

    https://conwaylife.com/wiki/H-to-G0 https://conwaylife.com/patterns/htog0stamp.rle

    Size:208x96 | Rule:23/3

  • hwss2mwssdownconverter

    https://conwaylife.com/wiki/Converter https://www.conwaylife.com/patterns/hwss2mwssdownconverter.rle

    Size:26x17 | Rule:23/3

  • house

    An induction coil. https://www.conwaylife.com/wiki/index.php?title=House

    Size:5x3 | Rule:23/3

  • hookwithtailp14oscillator

    https://conwaylife.com/wiki/Hook_with_tail https://www.conwaylife.com/patterns/hookwithtailp14oscillator.rle

    Size:21x21 | Rule:23/3

  • heavyweightvolcanosuhajda

    https://conwaylife.com/wiki/Heavyweight_volcano https://www.conwaylife.com/patterns/heavyweightvolcanosuhajda.rle

    Size:28x17 | Rule:23/3

  • heartmonomer

    https://conwaylife.com/wiki/Heart https://www.conwaylife.com/patterns/heartmonomer.rle

    Size:10x11 | Rule:23/3

  • herschel_synth

    https://conwaylife.com/wiki/Herschel https://www.conwaylife.com/patterns/herschel_synth.rle

    Size:12x14 | Rule:23/3

  • htomwssrep72

    https://conwaylife.com/wiki/H-to-MWSS https://conwaylife.com/patterns/htomwssrep72.rle

    Size:179x160 | Rule:23/3

  • hl166w

    https://conwaylife.com/wiki/HLx111R https://www.conwaylife.com/patterns/hl166w.rle

    Size:38x34 | Rule:23/3

  • hungryhat

    https://conwaylife.com/wiki/Hungry_hat https://conwaylife.com/patterns/hungryhat.rle

    Size:6x5 | Rule:23/3

  • herschelgrandparent

    A grandparent of the herschel. https://www.conwaylife.com/wiki/index.php?title=Herschel_grandparent

    Size:5x4 | Rule:23/3

  • herscheltransmitterstable

    A stable Herschel transmitter that was found in May 1997.

    Size:19x18 | Rule:23/3 | @lifewiki

  • hustler

    A period 3 oscillator found in June 1971.

    Size:11x12 | Rule:23/3 | @lifewiki

  • hacksaw

    An orthogonal sawtooth with expansion factor equal to 9 that was fo und on August 7, 1992.

    Size:199x102 | Rule:23/3 | @lifewiki

  • hexagonalkeylwss2

    https://conwaylife.com/wiki/Hexagonal_key https://www.conwaylife.com/patterns/hexagonalkeylwss2.rle

    Size:14x11 | Rule:23/3

  • heptapole

    The barberpole of length 7 and thus a period 2 oscillator.

    Size:10x10 | Rule:23/3 | @lifewiki

  • hwssglidercollisions

    https://conwaylife.com/wiki/Heavyweight_spaceship https://www.conwaylife.com/patterns/hwssglidercollisions.rle

    Size:90x38 | Rule:23/3

  • halfmaxv2

    A half spacefiller found in 2005.

    Size:117x112 | Rule:23/3 | @lifewiki

  • heisen2

    https://conwaylife.com/wiki/Heisenburp https://www.conwaylife.com/patterns/heisen2.rle

    Size:91x33 | Rule:23/3

  • halfmax2

    https://conwaylife.com/wiki/Halfmax https://www.conwaylife.com/patterns/halfmax2.rle

    Size:117x112 | Rule:23/3

  • hlx185b

    https://conwaylife.com/wiki/HLx111R https://www.conwaylife.com/patterns/hlx185b.rle

    Size:42x41 | Rule:23/3

  • housesiameseshillelagh

    https://conwaylife.com/wiki/House_siamese_shillelagh https://www.conwaylife.com/patterns/housesiameseshillelagh.rle

    Size:6x5 | Rule:23/3

  • hwssblinkerfuse

    A c/2 orthogonal period 8 blinker fuse.

    Size:28x9 | Rule:23/3 | @lifewiki

  • htomwss

    https://conwaylife.com/wiki/H-to-MWSS https://www.conwaylife.com/patterns/htomwss.rle

    Size:61x54 | Rule:23/3

  • herscheldescendant

    https://conwaylife.com/wiki/Herschel_descendant https://www.conwaylife.com/patterns/herscheldescendant.rle

    Size:4x5 | Rule:23/3

  • honeyfarmstopulsars

    https://conwaylife.com/wiki/Honey_farm https://www.conwaylife.com/patterns/honeyfarmstopulsars.rle

    Size:18x46 | Rule:23/3

  • hookwithtailwithcape

    https://conwaylife.com/wiki/Hook_with_tail_with_cape https://conwaylife.com/patterns/hookwithtailwithcape.rle

    Size:7x4 | Rule:23/3

  • highwayrobber

    https://conwaylife.com/wiki/Highway_robber https://conwaylife.com/patterns/highwayrobber.rle https://www.conwaylife.com/forums/viewtopic.php?p=97701#p97701

    Size:249x291 | Rule:23/3

  • hydra

    RLE Pos=2231,-1095

    Size:3999x3921 | Rule:23/3

  • halfblockadeeatinglwss

    https://conwaylife.com/wiki/Blockade https://www.conwaylife.com/patterns/halfblockadeeatinglwss.rle

    Size:12x7 | Rule:23/3

  • herschelstopper

    https://conwaylife.com/wiki/Herschel_stopper https://www.conwaylife.com/patterns/herschelstopper.rle

    Size:94x58 | Rule:23/3

  • hammerhead

    An orthogonal period 4 c/2 spaceship with many different possible rear ends.

    Size:18x16 | Rule:23/3 | @lifewiki

  • honeybit

    Size:34x14 | Rule:23/3 | @lifewiki

  • hooknudger1

    https://conwaylife.com/wiki/Hooknudger https://www.conwaylife.com/patterns/hooknudger1.rle

    Size:13x11 | Rule:23/3

  • harvester

    A diagonal period 4 lightspeed fuse that was the first published example of a fuse.

    Size:18x15 | Rule:23/3 | @lifewiki

  • hotcrystal0reflector

    https://conwaylife.com/wiki/Hotcrystal0_reaction https://www.conwaylife.com/patterns/hotcrystal0reflector.rle

    Size:183x41 | Rule:23/3

  • hf110b

    https://conwaylife.com/wiki/HLx111R https://www.conwaylife.com/patterns/hf110b.rle

    Size:33x30 | Rule:23/3

  • heavyweightvolcanoeppstein

    https://conwaylife.com/wiki/Heavyweight_volcano https://www.conwaylife.com/patterns/heavyweightvolcanoeppstein.rle

    Size:25x22 | Rule:23/3

  • hookwithnine

    https://conwaylife.com/wiki/Hook_with_nine https://conwaylife.com/patterns/hookwithnine.rle

    Size:6x7 | Rule:23/3

  • hlx111r

    https://conwaylife.com/wiki/HLx111R https://www.conwaylife.com/patterns/hlx111r.rle

    Size:27x32 | Rule:23/3

  • honeythieves

    The smallest known period 17 oscillator in terms of population as of December 2014.

    Size:15x15 | Rule:23/3 | @lifewiki

  • hungryeater1s

    https://conwaylife.com/wiki/Eater_1 https://www.conwaylife.com/patterns/hungryeater1s.rle

    Size:102x14 | Rule:23/3

  • hwssonhwss1

    https://conwaylife.com/wiki/HWSS_on_HWSS_1 https://www.conwaylife.com/patterns/hwssonhwss1.rle

    Size:7x9 | Rule:23/3

  • hookwithtailhooksiamesesnake

    https://conwaylife.com/wiki/Hook-with-tail_hook_siamese_snake https://conwaylife.com/patterns/hookwithtailhooksiamesesnake.rle

    Size:4x8 | Rule:23/3

  • house_synth

    Glider syntheses of house. https://www.conwaylife.com/ref/mniemiec/glider-2.htm

    Size:147x68 | Rule:23/3

  • hookedtail

    https://conwaylife.com/wiki/Hooked_tail https://www.conwaylife.com/patterns/hookedtail.rle

    Size:4x4 | Rule:23/3

  • hooks_synth

    15-glider synthesis of hooks https://www.conwaylife.com/wiki/Hooks https://conwaylife.com/forums/viewtopic.php?p=9191#p9191

    Size:165x72 | Rule:23/3

  • heavyweightemulator_synth

    Glider synthesis of heavyweight emulator. https://www.conwaylife.com/ref/mniemiec/objname.htm#H

    Size:128x64 | Rule:23/3

  • heptapole_synth

    Glider synthesis of heptapole. https://www.conwaylife.com/ref/mniemiec/p2osc.htm

    Size:119x53 | Rule:23/3

  • hf214b

    https://conwaylife.com/wiki/HLx111R https://www.conwaylife.com/patterns/hf214b.rle

    Size:43x40 | Rule:23/3

  • herschelparent

    A parent of the herschel. https://www.conwaylife.com/wiki/index.php?title=Herschel_parent

    Size:5x4 | Rule:23/3

  • helix

    https://conwaylife.com/wiki/Helix https://www.conwaylife.com/patterns/helix.rle

    Size:45x61 | Rule:23/3

  • hectic

    A period 30 oscillator found in September 1984.

    Size:39x39 | Rule:23/3 | @lifewiki

  • hexapole

    The barberpole of length 6 and thus a period 2 oscillator.

    Size:9x9 | Rule:23/3 | @lifewiki

  • hatsiamesevase_synth

    https://conwaylife.com/wiki/Hat_siamese_vase https://conwaylife.com/patterns/hatsiamesevase_synth.rle From Mark Niemiec's synthesis database: https://conwaylife.com/ref/mniemiec/lg/27vaseha.rle

    Size:111x32 | Rule:23/3

  • honeyfarm_synth

    Glider syntheses of honey farms. https://www.conwaylife.com/ref/mniemiec/glider-2.htm

    Size:152x73 | Rule:23/3

  • hivenudger_synth

    Glider synthesis of a hivenudger. https://www.conwaylife.com/ref/mniemiec/sship.htm

    Size:154x109 | Rule:23/3

  • hivenudger2

    An orthogonal period 8 c/2 line puffer based on the hivenudger. It leaves a trail of blinkers behind it.

    Size:30x27 | Rule:23/3 | @lifewiki

  • herschelgreatgrandparent

    A specific 3-tick Herschel predecessor occasionally useful for displaying dependent conduits. https://conwaylife.com/wiki/Herschel_great-grandparent

    Size:7x5 | Rule:23/3

  • hexapole_synth

    8-glider synthesis of hexapole https://conwaylife.com/wiki/Hexapole https://conwaylife.com/forums/viewtopic.php?p=35740#p35740

    Size:65x25 | Rule:23/3

  • honeythieveswithtesttubebaby

    A trivial period-34 oscillator All rotor cells oscillate at either period-2 or period-17

    Size:16x19 | Rule:23/3

  • hookwithtailtailsiamesesnake

    https://conwaylife.com/wiki/Hook-with-tail_tail_siamese_snake https://conwaylife.com/patterns/hookwithtailtailsiamesesnake.rle

    Size:7x5 | Rule:23/3

  • herschelwithblock

    https://conwaylife.com/wiki/List_of_common_evolutionary_sequences https://www.conwaylife.com/patterns/herschelwithblock.rle

    Size:14x4 | Rule:23/3

  • hooklinelonghook

    https://conwaylife.com/wiki/Hook_line_long_hook https://www.conwaylife.com/patterns/hooklinelonghook.rle

    Size:8x5 | Rule:23/3

  • halfmax3

    https://conwaylife.com/wiki/Halfmax https://www.conwaylife.com/patterns/halfmax3.rle

    Size:111x84 | Rule:23/3

  • herschelreceiver

    A pattern that converts to input gliders into a Herschel. Found in 1996.

    Size:50x33 | Rule:23/3 | @lifewiki

  • halfmax

    A half spacefiller found in 2005.

    Size:65x80 | Rule:23/3 | @lifewiki

  • hwss_synth

    Glider synthesis of heavyweight spaceships. https://www.conwaylife.com/ref/mniemiec/glider-3.htm

    Size:151x105 | Rule:23/3

  • hwsssynthesis

    https://conwaylife.com/wiki/3-glider_collision https://www.conwaylife.com/patterns/hwsssynthesis.rle

    Size:11x9 | Rule:23/3

  • hf95p

    https://conwaylife.com/wiki/HF95P https://www.conwaylife.com/patterns/hf95p.rle

    Size:22x26 | Rule:23/3

  • heavyweightvolcanohickerson

    https://conwaylife.com/wiki/Heavyweight_volcano https://www.conwaylife.com/patterns/heavyweightvolcanohickerson.rle

    Size:36x19 | Rule:23/3

  • harbor_synth

    23-glider synthesis of harbor https://conwaylife.com/wiki/Harbor https://conwaylife.com/forums/viewtopic.php?p=54037#p54037

    Size:124x67 | Rule:23/3

  • hustlerii_synth

    Glider synthesis of hustler II. https://www.conwaylife.com/ref/mniemiec/objname.htm#H

    Size:155x119 | Rule:23/3

  • hustler_synth

    Glider synthesis of hustler. https://www.conwaylife.com/ref/mniemiec/objname.htm#H

    Size:182x142 | Rule:23/3

  • honeyfarmrestoringloaf2

    https://conwaylife.com/wiki/Loaf https://www.conwaylife.com/patterns/honeyfarmrestoringloaf2.rle

    Size:14x13 | Rule:23/3

  • hookwithtail

    An 8-cell still life that went for a long time with no well-established name. https://www.conwaylife.com/wiki/index.php?title=Hook_with_tail

    Size:5x4 | Rule:23/3

  • hook

    https://conwaylife.com/wiki/Hook https://conwaylife.com/patterns/hook.rle

    Size:3x2 | Rule:23/3

  • honeybithwsseater

    https://conwaylife.com/wiki/Honeybit https://www.conwaylife.com/patterns/honeybithwsseater.rle

    Size:25x9 | Rule:23/3

  • hookwithtail_synth

    Glider syntheses of hook with tail https://www.conwaylife.com/wiki/index.php?title=Hook_with_tail

    Size:68x76 | Rule:23/3

  • hybridgreyship

    https://conwaylife.com/wiki/Greyship https://www.conwaylife.com/patterns/hybridgreyship.rle

    Size:189x120 | Rule:23/3

  • herschel

    A heptomino shaped like the lowercase letter h, which occurs at generation 20 of the B-heptomino.

    Size:3x4 | Rule:23/3 | @lifewiki

  • hat_synth

    Glider synthesis of hats. https://www.conwaylife.com/ref/mniemiec/glider-3.htm

    Size:109x18 | Rule:23/3

  • hebdarole

    A period 7 oscillator found in November 1997.

    Size:24x18 | Rule:23/3 | @lifewiki

  • hivenudger

    A period 4 c/2 orthogonal spaceship.

    Size:13x13 | Rule:23/3 | @lifewiki

  • honeyfarm

    A common 24-cell still life that is made up of four beehives. https://www.conwaylife.com/wiki/index.php?title=Honey_farm

    Size:13x13 | Rule:23/3

  • herschelprime

    https://conwaylife.com/wiki/List_of_common_evolutionary_sequences https://www.conwaylife.com/patterns/herschelprime.rle

    Size:5x4 | Rule:23/3

  • hooklinetub

    https://conwaylife.com/wiki/Hook_line_tub https://www.conwaylife.com/patterns/hooklinetub.rle

    Size:7x6 | Rule:23/3

  • hbkreaction

    https://conwaylife.com/wiki/Half-bakery https://conwaylife.com/patterns/hbkreaction.rle

    Size:59x53 | Rule:23/3

  • halfbakeryreaction

    https://conwaylife.com/wiki/Half-bakery_reaction https://www.conwaylife.com/patterns/halfbakeryreaction.rle

    Size:68x71 | Rule:23/3

  • honeybarge

    https://conwaylife.com/wiki/Honeybarge https://conwaylife.com/patterns/honeybarge.rle

    Size:6x5 | Rule:23/3

  • housebridgehouse

    https://conwaylife.com/wiki/House_bridge_house https://www.conwaylife.com/patterns/housebridgehouse.rle

    Size:6x8 | Rule:23/3

  • honeythieves_synth

    Glider synthesis of the Honey thieves.

    Size:135x84 | Rule:23/3 | @lifewiki

  • hexagonalkeylwss

    https://conwaylife.com/wiki/Hexagonal_key https://www.conwaylife.com/patterns/hexagonalkeylwss.rle

    Size:6x10 | Rule:23/3

  • hertzoscillator

    A period 8 oscillator found by John Conway's group in 1970. https://www.conwaylife.com/wiki/index.php?title=Hertz_oscillator

    Size:11x12 | Rule:23/3

  • hookstesttubebaby

    https://conwaylife.com/wiki/Test_tube_baby https://www.conwaylife.com/patterns/hookstesttubebaby.rle

    Size:10x5 | Rule:23/3

  • hexominoes

    The 35 distinct hexominoes. https://conwaylife.com/wiki/Polyomino#Hexominoes

    Size:82x43 | Rule:23/3

  • heavyweightvolcano

    A period 5 oscillator that emits a rather isolated domino spark. https://www.conwaylife.com/wiki/Heavyweight_volcano

    Size:24x17 | Rule:23/3

  • hatsiamesevase

    https://conwaylife.com/wiki/Hat_siamese_vase https://conwaylife.com/patterns/hatsiamesevase.rle

    Size:9x9 | Rule:23/3

  • halfbakery_synth

    Glider synthesis of half-bakery https://conwaylife.com/wiki/Half-bakery https://conwaylife.com/patterns/halfbakery_synth.rle https://conwaylife.com/ref/mniemiec/14/14-30.rle

    Size:149x91 | Rule:23/3

  • herschelreceivervariant

    https://conwaylife.com/wiki/Herschel_receiver https://www.conwaylife.com/patterns/herschelreceivervariant.rle

    Size:75x33 | Rule:23/3

  • highclearanceeater1variant

    https://conwaylife.com/wiki/Clearance https://www.conwaylife.com/patterns/highclearanceeater1variant.rle

    Size:16x13 | Rule:23/3

  • heavyweightemulator

    A period 4 oscillator that produces sparks similar to that of the heavyweight spaceship.

    Size:16x7 | Rule:23/3 | @lifewiki

  • hrx65r

    https://conwaylife.com/wiki/HRx65R https://www.conwaylife.com/patterns/hrx65r.rle

    Size:29x21 | Rule:23/3

  • halfmiddleweightvolcano

    https://conwaylife.com/wiki/Middleweight_volcano https://www.conwaylife.com/patterns/halfmiddleweightvolcano.rle

    Size:14x15 | Rule:23/3

  • hungryhat_synth

    Glider synthesis of hungry hat https://conwaylife.com/wiki/hungry_hat

    Size:34x12 | Rule:23/3

  • hookednine

    https://conwaylife.com/wiki/Hooked_nine https://www.conwaylife.com/patterns/hookednine.rle

    Size:5x5 | Rule:23/3

  • hwssglidercollisionsample

    first row: the five ways to delete a forward glider with an HWSS second row: the 3 HWSS Heisenburp reactions with a forward glider https://conwaylife.com/patterns/HWSSglidercollisionsample.rle

    Size:90x38 | Rule:23/3

  • hebdarole2

    https://conwaylife.com/wiki/Hebdarole https://www.conwaylife.com/patterns/hebdarole2.rle

    Size:24x19 | Rule:23/3

  • houndstooth

    https://conwaylife.com/wiki/Houndstooth_agar https://conwaylife.com/patterns/houndstooth.rle

    Size:32x32 | Rule:23/3

  • honeyfarm2tubtesttubebaby

    https://conwaylife.com/wiki/Tub_test_tube_baby https://www.conwaylife.com/patterns/honeyfarm2tubtesttubebaby.rle

    Size:53x15 | Rule:23/3

  • hustlerii

    A period 4 oscillator.

    Size:16x13 | Rule:23/3 | @lifewiki

  • hivetesttubebaby

    https://conwaylife.com/wiki/Hive_test_tube_baby https://conwaylife.com/patterns/hivetesttubebaby.rle

    Size:12x6 | Rule:23/3

  • hookwithtwotails

    https://conwaylife.com/wiki/Hook_with_two_tails https://conwaylife.com/patterns/hookwithtwotails.rle

    Size:6x6 | Rule:23/3

  • hertzoscillator_synth

    64-glider synthesis of Hertz oscillator (minimum stator) https://conwaylife.com/wiki/Hertz_oscillator https://conwaylife.com/forums/viewtopic.php?p=57091#p57091

    Size:571x243 | Rule:23/3

  • honeycomb

    A symmetric 12-cell still life. https://www.conwaylife.com/wiki/index.php?title=Honeycomb

    Size:6x5 | Rule:23/3

  • hivemaker

    A period 4 diagonal lightspeed fuse that creates beehives as its burns.

    Size:17x14 | Rule:23/3 | @lifewiki

  • hat

    A 9-cell still life. https://www.conwaylife.com/wiki/index.php?title=Hat

    Size:5x4 | Rule:23/3

  • houseonhousesiamesetableontableweldhatsiamesehat

    A 34-bit still life. https://conwaylife.com/wiki/House_on_house_siamese_table-on-table_weld_hat-siamese-hat

    Size:7x13 | Rule:23/3

  • hwss

    A very well-known period 4 c/2 orthogonal spaceship.

    Size:7x5 | Rule:23/3 | @lifewiki

  • hectic_synth

    26-glider synthesis of hectic https://www.conwaylife.com/wiki/Hectic https://conwaylife.com/forums/viewtopic.php?p=9371#p9371

    Size:169x73 | Rule:23/3