Period-40 traffic light hasslers

Main article: Traffic light hasslers

All known period-40 traffic light hasslers.

x = 55, y = 27, rule = B3/S23 42b2o$41bo2bo$41bobobo$42bob3o$18b2o24b3o$14b2o2b2o2b2o$14b2o2bo2bobo$ 20b3o$20b2o19b3o$26b3o12bobo5bo$2bo23bobo12b3obo$26b3o18bob3o$ob3o44b 2obo$2b2obo43bob2o$2bob2o44b3obo$3b3obo18b3o$9bob3o12bobo23bo$5bo5bobo 12b3o$11b3o19b2o$32b3o$31bobo2bo2b2o$31b2o2b2o2b2o$8b3o24b2o$8b3obo$9b obobo$10bo2bo$11b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 THUMBZOOM 8 STARTFROM 40 ]]

p40 traffic jam by Noam Elkies, October 15, 1994 (click above to open LifeViewer) Catagolue: here

x = 94, y = 50, rule = B3/S23 21b2o8b2o$23bo7b2o$20bo$21bob2o$23b2o3$68bo6bo$67bobobob3o$24b2o40bo2b ob2o$24b2obo38bobobo3b4o$28bo38b2obob2o3bo$16b2o7bo44b2o2b2o$16b2o8b2o 45bo$3b2o59b8ob3o4b2o$3b2o59bobo5bobo5b2o$66bo6bo$21bo45bo$2b2o59b2o4b 2o10bo2bo$2o14b2o3b3o5b2o33bo16bo2bo5b2o$o5bo6b2o6bobo5b2o30b3o7b2o7bo 5b3o2bo$6b2o4b2obo5b3o37bo8bo9b2ob10o$o2bob3o4b3obo2bo50bo10bo10bo$4bo b2o4b2o14b2o45bo5b10ob2o$5b2o6bo5bo6b2o14b2o29bob2o5bo2b3o5bo$2b2o14b 2o6bo5bo6b2o30b2o9b2o5bo2bo$16b2o14b2o4b2obo47bo2bo$26bo2bob3o4b3obo2b o$22b3o5bob2o4b2o$15b2o5bobo6b2o6bo5bo46b2o$15b2o5b3o3b2o14b2o27b2o17b 2o$42b2o29bobo3b2o$24bo47b2ob2o2b2o$75bo$41b2o30b2o$41b2o30b2o$18b2o8b 2o44bo$20bo7b2o43bo$17bo53bo$18bob2o48bo$20b2o48b2o$70b2o$69bo$64b2o2b 2ob2o$64b2o3bobo$21b2o47b2o$21b2obo$25bo$13b2o7bo$13b2o8b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 STARTFROM 40 ]]

found by David Raucci and praosylen. Momomer found by Daniel Vargas (click above to open LifeViewer)

x = 84, y = 48, rule = B3/S23 41b2o4b2o$40bobo4bobo$40bo8bo$37b2obo8bob2o$38bobo2bo2bo2bobo$37bo2bob ob2obobo2bo$37bobo2bob2obo2bobo$35b3ob2obo4bob2ob3o$34bo7bo4bo7bo$34bo 2b5o6b5o2bo$33b2obo2bo2b2o2b2o2bo2bob2o$34bob2o2b3o4b3o2b2obo$34bo5bo 8bo5bo$35b3o3b2o4b2o3b3o$16b2o19bo4b6o4bo13b2o$4bobobo2bo3bo2bob2o40b 2obo2bo3bo2bobobo$3bob2ob4o2bob3obo42bob3obo2b4ob2obo$b3o10bo6b3o36b3o 6bo10b3o$o4b9ob6o2bo36bo2b6ob9o4bo$b3obo7bo7bo40bo7bo7bob3o$3b2o3b3o4b 3o2b2o8bo22bo8b2o2b3o4b3o3b2o$6bo3bo5b4o6b2o3bo20bo3b2o6b4o5bo3bo$9bo 11bo5bo3bo11b3o6bo3bo5bo11bo$5bo3bo11b2ob2obo3bo6b3o2bobo6bo3bob2ob2o 11bo3bo$5bo3bo11b2ob2obo3bo6bobo2b3o6bo3bob2ob2o11bo3bo$9bo11bo5bo3bo 6b3o11bo3bo5bo11bo$6bo3bo5b4o6b2o3bo20bo3b2o6b4o5bo3bo$3b2o3b3o4b3o2b 2o8bo22bo8b2o2b3o4b3o3b2o$b3obo7bo7bo40bo7bo7bob3o$o4b9ob6o2bo36bo2b6o b9o4bo$b3o10bo6b3o36b3o6bo10b3o$3bob2ob4o2bob3obo42bob3obo2b4ob2obo$4b obobo2bo3bo2bob2o40b2obo2bo3bo2bobobo$16b2o13bo4b6o4bo19b2o$29b3o3b2o 4b2o3b3o$28bo5bo8bo5bo$28bob2o2b3o4b3o2b2obo$27b2obo2bo2b2o2b2o2bo2bob 2o$28bo2b5o6b5o2bo$28bo7bo4bo7bo$29b3ob2obo4bob2ob3o$31bobo2bob2obo2bo bo$31bo2bobob2obobo2bo$32bobo2bo2bo2bobo$31b2obo8bob2o$34bo8bo$34bobo 4bobo$35b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 STARTFROM 40 ]]

found by David Raucci (click above to open LifeViewer) Catagolue: here

x = 28, y = 23, rule = B3/S23 8bo$9b2o$7b2o$9bo3$11bo$10bobo$10bobo$11bo2$b2o7bo$b2o7bo15b2o$9bobo 10b2o2bo$10bo10bo2bobo$10bo10b2o2bo$17bo$b2o12b3o2b2o$o2bo13bo2b2obo$o bobo16bobo$bo2bo18bo$5bo17bo$2bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 STARTFROM 40 ]]

found by David Raucci and reduced by iNoMed (click above to open LifeViewer) Catagolue: here

x = 30, y = 24, rule = B3/S23 7bo14bo$2o4bobo12bobo4b2o$obo4bo14bo4bobo$2bo24bo$2b3o20b3o$5bo18bo$2b 3o20b3o$2bo24bo$obo6b3o6b3o6bobo$2o6bo3bo4bo3bo6b2o5$2o6bo3bo4bo3bo6b 2o$obo6b3o6b3o6bobo$2bo24bo$2b3o20b3o$5bo18bo$2b3o20b3o$2bo24bo$obo4bo 14bo4bobo$2o4bobo12bobo4b2o$7bo14bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 STARTFROM 40 ]]

found by Mitchell Riley. Also an interchange hassler. (click above to open LifeViewer) Catagolue: here

x = 52, y = 33, rule = B3/S23 23bo$17b2o3bobo3b2o$16bobo4bo4bobo$16bo13bo$13b2ob2o2b2o3b2o2b2ob2o$ 13b2obo13bob2o$4b2o10bob4o3b4obo$3bo3bo8bobo3b3o3bobo15b2o$3bobobo9bo 11bo14bo3bo$2obob2o2b2o33bobobo$o2bobo2b4o29b2o2b2obob2o$2b2obob2o3bo 27b4o2bobo2bo$4b2o6bobo24bo3b2obob2o$4bo10bo21bobo6b2o$3b2ob2o7bo20bo 10bo$4bobo4bo3bo4b3o6b3o4bo7b2ob2o$4bobo4bo3bo4bobo6bobo4bo3bo4bobo$3b 2ob2o7bo4b3o6b3o4bo3bo4bobo$4bo10bo20bo7b2ob2o$4b2o6bobo21bo10bo$2b2ob ob2o3bo24bobo6b2o$o2bobo2b4o27bo3b2obob2o$2obob2o2b2o29b4o2bobo2bo$3bo bobo33b2o2b2obob2o$3bo3bo14bo11bo9bobobo$4b2o15bobo3b3o3bobo8bo3bo$21b ob4o3b4obo10b2o$18b2obo13bob2o$18b2ob2o2b2o3b2o2b2ob2o$21bo13bo$21bobo 4bo4bobo$22b2o3bobo3b2o$28bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 STARTFROM 40 ]]

found by Carson Cheng on August 4, 2023 (click above to open LifeViewer) Catagolue: here

x = 42, y = 32, rule = B3/S23 9b2o$9bo5b2o$10b3obobo$12bobo$13bobo$14bo2$3bo19b2o$2bobo9bo8b2o5bo$2b obo8bobo13bobo$b2ob2o7bobo14bo$bo12bo$2bob2o$obob2o26b2o3b2o$2o22b3o4b o2bo2b2o$8bo6b3o6bobo5bobo$7bobo5bobo6b3o6bo$3b2o2bo2bo4b3o22b2o$3b2o 3b2o26b2obobo$36b2obo$27bo12bo$11bo14bobo7b2ob2o$10bobo13bobo8bobo$11b o5b2o8bo9bobo$17b2o19bo2$27bo$26bobo$27bobo$25bobob3o$25b2o5bo$31b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 STARTFROM 40 ]]

found by iNoMed on September 25, 2023 based on a partial by Mitchell Riley. The TL+beehive is part of the "seven blinkers" sequence. (click above to open LifeViewer) Catagolue: here

x = 41, y = 41, rule = B3/S23 5b2o11b2o$6bo11bo$5bo13bo14bo$5b2o5bo5b2o13bobo$8b2obobob2o16bobo$3b5obobobobob5o10b2obob2obo$2bo8bobo8bo9bo2bobob2o$3b3ob2ob2ob2ob2ob3o11bobo$5b2o11b2o13bo2bo$35b2o$33bo$33b4o$37bo$33b4o$22bobo8bo$21bo2bo10b2o$14b3o4bo2bo8bo2bo$21b2o10bobo$6bo7bo2bo14bo2bobob2o$5bobo7b3o14b2obob2obo$5bobo25bobo$ob2obob2o14b3o7bobo$2obobo2bo14bo2bo7bo$5bobo10b2o$4bo2bo8bo2bo4b3o$4b2o10bo2bo$7bo8bobo$4b4o$3bo$4b4o$7bo$4b2o$4bo2bo13b2o11b2o$5bobo11b3ob2ob2ob2ob2ob3o$2obobo2bo9bo8bobo8bo$ob2obob2o10b5obobobobob5o$5bobo16b2obobob2o$5bobo13b2o5bo5b2o$6bo14bo13bo$22bo11bo$21b2o11b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 STARTFROM 40 ]]

most likely first found either by Carson Cheng or Mitchell Riley in their CatForce censuses, at an indeterminate time. Also noted by Carson Cheng on May 11, 2022, who appears to have discovered it independently. Uses 55P10. (click above to open LifeViewer) Catagolue: here

x = 39, y = 22, rule = B3/S23 21b2o$17b2obo2bo3bo2bobobo$18bob3obo2b4ob2obo$15b3o6bo10b3o$15bo2b6ob 9o4bo$17bo5bo3bo5bob3o$8b2o8bo2b2obo3b3o3b2o$8b4o6bo2bo7bobo$8b2obobo 6bo9b3o$8b2obo2bob2o12b3o$8b2obo2bob2o12b3o$8b2obobo6bo9b3o$3o5b4o6bo 2bo7bobo$obo5b2o8bo2b2obo3b3o3b2o$3o14bo5bo3bo5bob3o$15bo2b6ob9o4bo$ 15b3o6bo10b3o$18bob3obo2b4ob2obo$3b2o12b2obo2bo3bo2bobobo$3bo17b2o$4b 3o$6bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 THUMBZOOM 12 STARTFROM 40 ]]

p40 traffic stop hassler by cvojan, December 15, 2021; 180P8 later reduced to 164P8 (click above to open LifeViewer) Catagolue: here

x = 52, y = 34, rule = B3/S23 20b2o$20bo26b2o$7b2o12bo25bo$8bo5bo5b2o12b2o12bo$7bo5bobob2o16bo5bo5b 2o$7b2o4bobobob5o10bo5bobob2o$10b2obobobo6bo9b2o4bobobob5o$5b5obobob2o 2bob3o13b2obobobobo4bo$4bo6bobo5b3o10b5obobobobobob3o$5b3obo2b2o17bo4b obobo2b4obo$7b3o22b3obobobo5b2o$34bob4o$35b2o3$17bobo$17bo2bo11bobo$17b obo11bo2bo$32bobo3$15b2o$12b4obo$4b2o5bobobob3o22b3o$3bob4o2bobobo4bo 17b2o2bob3o$b3obobobobobob5o10b3o5bobo6bo$o4bobobobob2o13b3obo2b2obob ob5o$b5obobobo4b2o9bo6bobobob2o$6b2obobo5bo10b5obobobo4b2o$3b2o5bo5bo 16b2obobo5bo$3bo12b2o12b2o5bo5bo$4bo25bo12b2o$3b2o26bo$30b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 HEIGHT 500 THUMBZOOM 8 STARTFROM 40 ]]

p40 traffic jam hassler by Caleb R. Hilton on October 27, 2022 (click above to open LifeViewer) Catagolue: here