Pre-pulsar hasslers

Oscillators
Sparkers	p7 • p8 • p9 • p10 • With specific period • With specific spark type
Hasslers	Traffic light • Honey farm hasslers • Honey farm shuttles • R-pentomino • Pi-heptomino • Lumps of muck • Fleet • Century • B-heptomino • Wing • I-heptomino • Two-glider octomino • Long bun • Procrastinator • Blonk-tie • Teardrop • Butterfly • U-turner • Iwona active region • Octomino II • Pre-pulsar shuttles • Pre-pulsar hasslers • Z-hexomino
Related	With specific hassled object Dependent reflector loops Shuttles

A pre-pulsar hassler is an oscillator that hassles a pre-pulsar. Hasslers that are also pre-pulsar shuttles are not shown on this page.

Pre-pulsar hassler known periods:
10	13	20	22	25	26	28	29	30	32	35	36	40	42
44	47	48	55	58	59	60	64	65	88	90	100	120	147
Key:	known		known, shown on a separate page

p10

x = 17, y = 20, rule = B3/S23 5b2o3b2o$5b2o3b2o4$2o2b3o3b3o2b2o$2o13b2o$4bobo3bobo$5bo5bo3$5bo5bo$4bobo3bob o$2o13b2o$2o2b3o3b3o2b2o4$5b2o3b2o$5b2o3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 5 ]] p10 (extrovert) (click above to open LifeViewer) RLE: here Plaintext: here Catagolue: here

x = 67, y = 75, rule = B3/S23 33bo$32bobo$31bobobo$31bobobo$30b2obob2o$28bo2bobobo2bo$28b2o3bo3b2o$ 31bobobo$26b5o2bo2b5o$25bo5bobobo5bo$24bobo3b2obob2o3bobo$24bob3o3bobo 3b3obo$23b2o4b2obobob2o4b2o$24bobo4bobobo4bobo$24bobo2bobobobobo2bobo$ 25bo5bobobo5bo$26b2obobobobobob2o$28b2obobobob2o$30b2obob2o$25b2ob2obo bobob2ob2o$24bo3bo4bo4bo3bo$24bobo2bo2bobo2bo2bobo$22b2o2b2o4bobo4b2o 2b2o$23bobo4b2o3b2o4bobo$11b2o10bob3ob2o5b2ob3obo10b2o$11bo12bo17bo12b o$2o11bo12bobob7obobo12bo11b2o$obo9b2o2bo2bo5b2o4bo3bo4b2o5bo2bo2b2o9b obo$2bo3b2obo4b6o4bo3b11o3bo4b6o4bob2o3bo$2b2o7b3o11b3o3b5o3b3o11b3o7b 2o$4bobo7b8o5bob2ob3ob2obo5b8o7bobo$2b2obo3b3obo7bo6b3o5b3o6bo7bob3o3b ob2o$bobob4o2bo2b2o3bo9bo7bo9bo3b2o2bo2b4obobo$o7bo4b2obo2b2o25b2o2bob 2o4bo7bo$b7o5bobo4bo25bo4bobo5b7o$3bo2bo5b2ob2ob3o25b3ob2ob2o5bo2bo$8b o5b3o2b2o2bo5b3o3b3o5bo2b2o2b3o5bo$7b2o2bo4bo3bo3b2o3bobo3bobo3b2o3bo 3bo4bo2b2o$12b4o2bobo2b2o4b3o3b3o4b2o2bobo2b4o$16b2o2b2ob3o15b3ob2o2b 2o$12b4o2bobo2b3o15b3o2bobo2b4o$7b2o2bo4bo3bo3bo17bo3bo3bo4bo2b2o$8bo 5b3o2b2o2bo5bo7bo5bo2b2o2b3o5bo$3bo2bo5b2ob2ob3o7b3o5b3o7b3ob2ob2o5bo 2bo$b7o5bobo4bo6bob2ob3ob2obo6bo4bobo5b7o$o7bo4b2obo2b2o4b3o3b5o3b3o4b 2o2bob2o4bo7bo$bobob4o2bo2b2o3bo4bo3b11o3bo4bo3b2o2bo2b4obobo$2b2obo3b 3obo7bo3b2o4bo3bo4b2o3bo7bob3o3bob2o$4bobo7b8o4bobob7obobo4b8o7bobo$2b 2o7b3o10bo17bo10b3o7b2o$2bo3b2obo4b6o3bob3ob2o5b2ob3obo3b6o4bob2o3bo$o bo9b2o2bo2bo3bobo4b2o3b2o4bobo3bo2bo2b2o9bobo$2o11bo8b2o2b2o4bobo4b2o 2b2o8bo11b2o$11bo12bobo2bo2bobo2bo2bobo12bo$11b2o11bo3bo4bo4bo3bo11b2o $25b2ob2obobobob2ob2o$30b2obob2o$28b2obobobob2o$26b2obobobobobob2o$25b o5bobobo5bo$24bobo2bobobobobo2bobo$24bobo4bobobo4bobo$23b2o4b2obobob2o 4b2o$24bob3o3bobo3b3obo$24bobo3b2obob2o3bobo$25bo5bobobo5bo$26b5o2bo2b 5o$31bobobo$28b2o3bo3b2o$28bo2bobobo2bo$30b2obob2o$31bobobo$31bobobo$ 32bobo$33bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 5 ]] p10 (click above to open LifeViewer) Catagolue: here

p13

x = 32, y = 27, rule = B3/S23 7b2o14b2o$3b2obobo14bobob2o$4bobo18bobo$4bob2o16b2obo$3b2o22b2o$2bo3b 2o16b2o3bo$3bobo20bobo$2b2obo20bob2o$o2bob2o18b2obo2bo$2obo5b3o8b3o5bo b2o$3bo5bobo3b2o3bobo5bo$3b2o4b3o2bo2bo2b3o4b2o$15b2o2$15b2o$3b2o4b3o 2bo2bo2b3o4b2o$3bo5bobo3b2o3bobo5bo$2obo5b3o8b3o5bob2o$o2bob2o18b2obo 2bo$2b2obo20bob2o$3bobo20bobo$2bo3b2o16b2o3bo$3b2o22b2o$4bob2o16b2obo$ 4bobo18bobo$3b2obobo14bobob2o$7b2o14b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 7 ]] p13, found by Carson Cheng on October 2, 2023 (click above to open LifeViewer) Catagolue: here

p20

x = 47, y = 21, rule = B3/S23 6bo33bo$5bobo31bobo$5bobo31bobo$2b2obob2o29b2obob2o$o2bobo3bo27bo3bobo 2bo$2o3bob2o5b3o5b3o5b3o5b2obo3b2o$4bo3bo5bobo5bobo5bobo5bo3bo$4b4o6b 3o5b3o5b3o6b4o$7bo31bo$4b4o31b4o$3bo39bo$4b4o6b3o5b3o5b3o6b4o$7bo6bobo 5bobo5bobo6bo$4b4o6b3o5b3o5b3o6b4o$4bo3bo29bo3bo$2o3bob2o29b2obo3b2o$o 2bobo3bo27bo3bobo2bo$2b2obob2o29b2obob2o$5bobo31bobo$5bobo31bobo$6bo 33bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 10 ]] p20, infinitely extensible (click above to open LifeViewer) Catagolue: here

p25

x = 41, y = 35, rule = B3/S23 10b2o$11bo2b2o$11bobo2bo11b2o$10b2obobobob2o7bobo$11bobobob2obo4b2obo 2bo5bo$9bo3b3o9bobobobo4bobo$8bob3obob4o7bo4bo3bobo$8bo11bo6bob4o2b2ob 2o$9b3obobob3o8bo3bo2bo3bo$11b2obob2o11b3ob2ob3o$31bo4bo$3b2o2bo$3bo2b obo23bo2bo3b2o$4bobobo30bo$3b2obob2o27bobo$2bo3b2o3bo25b2o$bob2o2b2o6b o4b3o3b3o4bo$bobo2bobo3bo2bo4bobo3bobo4bo$2b3o2b2o6bo4b3o3b3o4bo$6b2o 3bo25b2o$5obob2o27bobo$o2bo2bobo30bo$5bo2bo23bo2bo3b2o$6b2o$31bo4bo$ 11b2obob2o11b3ob2ob3o$9b3obobob3o8bo3bo2bo3bo$8bo11bo6bob4o2b2ob2o$8bo b3obob4o7bo4bo3bobo$9bo3b3o9bobobobo4bobo$11bobobob2obo4b2obo2bo5bo$ 10b2obobobob2o7bobo$11bobo2bo11b2o$11bo2b2o$10b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 13 ]] p25, found by David Bell in October 1996 (left half) and Noam Elkies on December 13, 1997 (right half) (click above to open LifeViewer) Catagolue: here

p29

x = 43, y = 21, rule = B3/S23 4b2o31b2o$5bo31bo$5bob2o25b2obo$6bobo8bo7bo8bobo$8bob2o4bobo5bobo4b2ob o$7bobobo5bo7bo5bobobo$3b2o2bo27bo2b2o$3bobo31bobo$2obo11b2o9b2o11bob 2o$obob3o5bo4bo7bo4bo5b3obobo$2bo8bobo3bo7bo3bobo8bo$obob3o5bo4bo7bo4b o5b3obobo$2obo11b2o9b2o11bob2o$3bobo31bobo$3b2o2bo27bo2b2o$7bobobo5bo 7bo5bobobo$8bob2o4bobo5bobo4b2obo$6bobo8bo7bo8bobo$5bob2o25b2obo$5bo 31bo$4b2o31b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 15 STARTFROM 8 ]] p29 traffic-farm hassler (click above to open LifeViewer) RLE: here Plaintext: here Catagolue: here

p30

x = 49, y = 27, rule = B3/S23 25b2o4b2o$25bobo2bobo$27bo2bo$26bo4bo$26bo4bo$16bo9bo4bo6bo4b2o$16b3o 9b2o7bobo4bo$4bo5bo8bo16bo2bo2bo$3bobo3bobo6b2o16bob2obob4o$2bo2bo3bob o23b2obo2bobo3bo$2bobob2obob2o22bo2bob2ob2o2bo$3b2obob2o3bo22b3o2bo3bo b2o$11b2o7b3o3b3o7bo3bo4bo$3b2o2b3o3bo6bobo3bobo6bo3b3o2b2o$3bo4bo3bo 7b3o3b3o7b2o$2obo3bo2b3o22bo3b2obob2o$bo2b2ob2obo2bo22b2obob2obobo$bo 3bobo2bob2o23bobo3bo2bo$2b4obob2obo16b2o6bobo3bobo$6bo2bo2bo16bo8bo5bo $4bo4bobo7b2o9b3o$4b2o4bo6bo4bo9bo$17bo4bo$17bo4bo$18bo2bo$16bobo2bobo $16b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 15 ]] p30, found by JP21 on October 7, 2021 based on a partial by David Raucci the same day (click above to open LifeViewer) Catagolue: here

p36

x = 55, y = 37, rule = B3/S23 20bo13bo$11bo7bobo11bobo7bo$11b3o5bobo11bobo5b3o$14bo3b2o2b2o7b2o2b2o 3bo$13bo2bo3b2o2bo5bo2b2o3bo2bo$13bob5o2b3o5b3o2b5obo$14b2o3bobo11bobo 3b2o$17b2obobo9bobob2o$19bobo11bobo2$12b2o6bo13bo6b2o$4b2o5bobo6bo13bo 6bobo5b2o$4bo2b2o2bo31bo2b2o2bo$5bobobob2o29b2obobobo$4b2o3bo3bo7b3o7b 3o7bo3bo3b2o$7bo5b3o5bobo7bobo5b3o5bo$2b6o4bobo6b3o7b3o6bobo4b6o$bo5b 2o3b2o27b2o3b2o5bo$obo3bo41bo3bobo$bo5b2o3b2o27b2o3b2o5bo$2b6o4bobo6b 3o7b3o6bobo4b6o$7bo5b3o5bobo7bobo5b3o5bo$4b2o3bo3bo7b3o7b3o7bo3bo3b2o$ 5bobobob2o29b2obobobo$4bo2b2o2bo31bo2b2o2bo$4b2o5bobo6bo13bo6bobo5b2o$ 12b2o6bo13bo6b2o2$19bobo11bobo$17b2obobo9bobob2o$14b2o3bobo11bobo3b2o$ 13bob5o2b3o5b3o2b5obo$13bo2bo3b2o2bo5bo2b2o3bo2bo$14bo3b2o2b2o7b2o2b2o 3bo$11b3o5bobo11bobo5b3o$11bo7bobo11bobo7bo$20bo13bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 18 ]] p36 (click above to open LifeViewer) Catagolue: here

p42

x = 71, y = 20, rule = B3/S23 31b3o3b3o2$32bo5bo$28b3o9b3o$8b2o6bo15bo5bo15bo6b2o$8bo6bobo35bobo6bo$ 2o3b2obo7bo14b3o3b3o14bo7bob2o3b2o$o4bobo55bobo4bo$b3obo15b3o23b3o15bo b3o$3bob2o13bo3bo21bo3bo13b2obo$19bo5bo19bo5bo$8b3o9bo3bo21bo3bo9b3o$ 7bo3bo9b3o23b3o9bo3bo$6bo5bo45bo5bo$7bo3bo13b2obo13bob2o13bo3bo$8b3o 15bob3o9b3obo15b3o$24bobo4bo7bo4bobo$15bo7bob2o3b2o7b2o3b2obo7bo$14bob o6bo23bo6bobo$15bo6b2o23b2o6bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 21 ]] p42 pulsar hassler (click above to open LifeViewer) RLE: here Plaintext: here Catagolue: here

p44

x = 36, y = 29, rule = B3/S23 12b2o$5b2o6bo$6bo6bob2o$2o2bo7b2o2bo$o3b2o5bo3bo$b3o2bo3bob2o19b2o$3bo bobo2bobo2bo17b2o$5bo2bo4bob2o$11bo4bo$3bob5o3bo2bo5b3o$3bobo10bo4bo3b o9bo$5bo7bob2o4bo3bo9bo$2bo9bo2bo5bo3bo$2b2o5bo2b2o8b3o$8bobob2o$2b2o 5bo2b2o8b3o$2bo9bo2bo5bo3bo$5bo7bob2o4bo3bo9bo$3bobo10bo4bo3bo9bo$3bob 5o3bo2bo5b3o$11bo4bo$5bo2bo4bob2o$3bobobo2bobo2bo17b2o$b3o2bo3bob2o19b 2o$o3b2o5bo3bo$2o2bo7b2o2bo$6bo6bob2o$5b2o6bo$12b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 22 ]] p44. Multiple variations exist, as well as period-doubling reactions. (click above to open LifeViewer) Catagolue: here

p55

x = 37, y = 22, rule = B3/S23 10bo15bo$6bo3b3o11b3o3bo$5bobo5bo9bo5bobo$5bobo4b2o9b2o4bobo$3b3ob2o 19b2ob3o$2bo31bo$3b3ob2o19b2ob3o$5bob2o6bo5bo6b2obo$14b3o3b3o$2bo31bo$ bobo29bobo$2bo31bo$5b2o23b2o$6bo23bo$2b2o3bo21bo3b2o$2bo4bo21bo4bo$3bo 4bo19bo4bo$3b2ob2o21b2ob2o$2b2o7b2o11b2o7b2o$bo10bo11bo10bo$obo6b3o13b 3o6bobo$2o2b3o2bo17bo2b3o2b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 28 ]] p55 pre-pulsar hassler (click above to open LifeViewer) RLE: here Plaintext: here Catagolue: here

p59

x = 51, y = 47, rule = B3/S23 23b2o$23bo2b2o$24b2ob3o$19b2o4bo4bo$19b2o3bo2b3o$24bo2bo2$3bo16b2o$2bo bo14bo2bo$2bobo14bobo3bo$b2ob2o14bo3bobo$bo8bo14bo$2bob2o3bobo$obob2o 4bo$2o$8bo29bo$7bobo26b3o$3b2o2bo2bo24bo$3b2o3b2o25b2o$16b3o3b3o$16bob o3bobo$16b3o3b3o14bo$38bobo$11bo27bo$10bobo$11bo14b3o3b3o$26bobo3bobo$ 26b3o3b3o$14b2o25b2o3b2o$15bo24bo2bo2b2o$12b3o26bobo$12bo29bo$49b2o$ 40bo4b2obobo$39bobo3b2obo$25bo14bo8bo$24bobo3bo14b2ob2o$25bo3bobo14bob o$28bo2bo14bobo$29b2o16bo2$23bo2bo$21b3o2bo3b2o$20bo4bo4b2o$21b3ob2o$ 23b2o2bo$26b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 30 ]] p59 variant of twirling T-tetsons II (click above to open LifeViewer) RLE: here Plaintext: here Catagolue: here

p100

x = 55, y = 33, rule = B3/S23 20b2o4b2o$20bobo2bobo$22bo2bo$21bo4bo$21bo4bo$15bo5bo4bo$14bobo6b2o$ 15bo3$3bo$2bobo$2bobo16b3o$b2ob2o14bo3bo$19bo5bo5b3o19b2o$b2ob2o3b2o8b o5bo4bo3bo19bo$2bob2o5bo7bo5bo3bo5bo7bo5b2obo$o19bo3bo4bo5bo8b2o3b2ob 2o$2o19b3o5bo5bo$30bo3bo14b2ob2o$31b3o16bobo$50bobo$51bo3$39bo$30b2o6b obo$28bo4bo5bo$28bo4bo$28bo4bo$29bo2bo$27bobo2bobo$27b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 50 STARTFROM 22 ]] p100 honey farm hassler, found by Luke Kiernan on July 28, 2022 (click above to open LifeViewer) RLE: here Plaintext: here Catagolue: here

p120

x = 52, y = 43, rule = B3/S23 19b3o8b3o$19b2o10b2o$20b2o8b2o$20bo10bo$23b2o2b2o$7b2o11b2obo4bob2o11b 2o$8bo12bo8bo12bo$8bobo10bo8bo10bobo$9b2o30b2o$4b2o40b2o$2obo44bob2o$ 2o2bo2bo36bo2bo2b2o$5bobo36bobo$6bo9b3o14b3o9bo$15bo3bo12bo3bo$5b2o7bo 5bo10bo5bo7b2o$5b2o7bo5bo10bo5bo7b2o$14bo5bo10bo5bo$15bo3bo12bo3bo$16b 3o14b3o4$16b3o14b3o$15bo3bo12bo3bo$14bo5bo10bo5bo$5b2o7bo5bo10bo5bo7b 2o$5b2o7bo5bo10bo5bo7b2o$15bo3bo12bo3bo$6bo9b3o14b3o9bo$5bobo36bobo$2o 2bo2bo36bo2bo2b2o$2obo44bob2o$4b2o40b2o$9b2o30b2o$8bobo10bo8bo10bobo$ 8bo12bo8bo12bo$7b2o11b2obo4bob2o11b2o$23b2o2b2o$20bo10bo$20b2o8b2o$19b 2o10b2o$19b3o8b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 60 STARTFROM 22 ]]

p120, found by Luke Kiernan on August 23, 2022 (click above to open LifeViewer) RLE: here Plaintext: here Catagolue: here

p147

x = 42, y = 49, rule = B3/S23 13b2o12b2o$9b2o3bo12bo3b2o$10bo3bobo4bo3bobo3bo$10bob2obobob3o2bobob2o bo$11bobobob2o3b3obobobo$20b2o$14bob4o2b4obo$9b2o3bobo2bo2bo2bobo3b2o$ 9b2o2bo4bo4bo4bo2b2o$14bob2o6b2obo3$2b2o34b2o$2bobo32bobo$3bo34bo3$bo 12b3o8b3o12bo$obo10bo3bo6bo3bo10bobo$2o10bo5bo4bo5bo10b2o$12bo5bo4bo5b o$12bo5bo4bo5bo$13bo3bo6bo3bo$14b3o8b3o2$14b3o8b3o$13bo3bo6bo3bo$12bo 5bo4bo5bo$12bo5bo4bo5bo$2o10bo5bo4bo5bo10b2o$obo10bo3bo6bo3bo10bobo$bo 12b3o8b3o12bo3$3bo34bo$2bobo32bobo$2b2o34b2o3$14bob2o6b2obo$9b2o2bo4bo 4bo4bo2b2o$9b2o3bobo2bo2bo2bobo3b2o$14bob4o2b4obo$20b2o$11bobobob2o3b 3obobobo$10bob2obobob3o2bobob2obo$10bo3bobo4bo3bobo3bo$9b2o3bo12bo3b2o $13b2o12b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 GPS 60 STARTFROM 116 ]]

p147, found by David Raucci on July 16, 2021 and reduced by various people the same day. Could also be considered a honey farm or LoM hassler (click above to open LifeViewer) RLE: here Plaintext: here Catagolue: here