User:C28/U-turner gallery

for U-turner related things.

b3o$b3o$obo$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBNAIL OFF ]]

(click above to open LifeViewer)

What is a U-turner?

The U-turner (or U in conduit names) is a somewhat common methuselah in Conway's game of life. It was discovered in 1971, but it wasn't until May 2021 that it was recognized as a distinct object.

Conduits and converters

U to U

p5

31bo$31bo$2o4b2o23bo$obo2bobo22b2o$2bo2bo22bo$bo4bo20bo4bo$b6o20bo$2b 4o23b3o2$11b3o22b3o$11b3o22b3o$2b2o6bobo14b2o6bobo$2b2o6b2o15b2o6b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] left: p5 U conduit right: p3 version found by MathAndCode (click above to open LifeViewer)

14b2o4b2o$15bo4bobo4b2o3b2o$4b3o8bob2obo2bo3bobobobo$4b3o7b2obobob2o6b obo2b2o$3bobo7bo3bobo8b2ob2obo$3b2o8b2ob2obo7bo6bo$13bo5bo3bo2b2o2b2o 2b2o$13b2obo2bo2b2o2b3o3bobo2bo$13b2obo4bobo2b2o4bobob2o$13bo8bo2b2o2b o2b3o$13b2ob2o2bo5bo3bo3bo$13bo3bo3b5o5b3o$14b2obob2o8bobo$15bob2o3b4o 3b2o$15bo4b2o4bo$16b3obo2b3o$18b2o2b2o$4b8o$o2bobob2obobo$4o8b3o$5bob 2obo4bo$2b4o4b4obo$2bo10bob2o$3b5o4bo3bo$3o7bobob2o$o2bo4bo2bo2bo$bob o3bobobobo2bo$2bo3b3o2bobob2o$11bobobo$9bobobobo$6b5o3bo$b2o2b4o$bo2b o2bo$2b3o4bo2b2o$6bo3bo2bo$2b3obo4b2o$bo2bo2b3obo$b2o6bobo$3b8o$3bo2b o$8bo$7b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p5 U conduit (click above to open LifeViewer)

p6

8b2o$8b2o$15b3o$15b3o$14bobo$14b2o$5b2o$5bo2bo3$5bob2o$2o2bobo$o4bo$4b o$bo2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p6 U conduit (click above to open LifeViewer)

p7n

27b3o$14bo12b3o$10b2obobo10bobo$10b2obobo10b2o$3b2o8bob2o$4bo5b4o3bo$ 3bo5bo4bob2o$3b2o4b2ob2o3bo$b2o3bo2b2o4b2o$o2bob2o2b3obobo$bobo2bobo2b o3bo$2o2bobob4ob2o$2bob2obo4bo$2bo4bob2obo$b2o4b2ob2o17b4o$28b6o$28bo 4bo$29bo2bo$27bobo2bobo$27b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] pipsquirter has to be at p7, but the domino sparker can be of any period 5 and larger (click above to open LifeViewer)

p8

30b2obo12b2o$30bob2o$18bo8b2obo14bo3bo$17bobo2b2o3bo2bo5b2o6bo4bo$17b obo3bo5b2ob2obobo5bobobo$6b3o6b2o2b2o2bob4o2bobobo6bobobo$6b3o7bobo2b obobo3bobobob2o3bo4bo$5bobo8bobob2obo2b2obobo2bo2bo2bo3bo$5b2o8b2obo2b o2bobo2b2ob5obo$15bo2b2o2b3o2bo6bo2bo4b2o$16bobo4b2o3b9o$16bo$16bobo4b 2o3b9o$15bo2b2o2b3o2bo6bo2bo4b2o$15b2obo2bo2bobo2b2ob5obo$16bobob2obo 2b2obobo2bo2bo2bo3bo$9b2o5bobo2bobobo3bobobob2o3bo4bo$7bo4bo2b2o2b2o2b ob4o2bobobo6bobobo$17bobo3bo5b2ob2obobo5bobobo$7bo4bo4bobo2b2o3bo2bo5b 2o6bo4bo$7bo4bo5bo8b2obo14bo3bo$7bo4bo17bob2o$7bo4bo17b2obo12b2o$7bo4b o$8bo2bo$8bo2bo$3b2o4b2o4b2o$3bobo2bo2bo2bobo$bobo12bobo$b2obo4b2o4bo b2o$4bobo6bobo$b2obobobo2bobobob2o$obob2ob2o2b2ob2obobo$obobo2bo4bo2b obobo$bo2b2o8b2o2bo$2b2o2bo6bo2b2o$4b2o8b2o$4bo10bo$b2obo2b6o2bob2o$b 2obobo6bobob2o$4bobo6bobo$b2obo2bo4bo2bob2o$b2ob2o8b2ob2o$4bo10bo$4bo bo6bobo$2b2o2bo6bo2b2o$bo2b2o8b2o2bo$obobo10bobobo$obobob2o4b2obobobo $b2obob2o4b2obob2o$4bob2o4b2obo$b2obobo6bobob2o$bobobo3b2o3bobobo$3bo 5b2o5bo$3b2o10b2o$9b2o$8bo2bo$8bo2bo$7b6o2$6bo2b2o2bo$6b2ob2ob2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p8 U conduit. both sparkers can work with all periods 4 and greater (see User:C28/387P132#Variations). (click above to open LifeViewer)

Stable

U-Turner as input

found by C28

14$32b3o$32b3o$21b2o8bobo$21bobo7b2o$22bo12$35b2o$35b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] UR63P (click above to open LifeViewer)

2$8bo$7bobo$8bo2$6b5o$5bo4bo$4bo2bo$bo2bob2o$obobo5bo$bo2bo4bobo$4b2o 2bo2bo$9b2o5$11b3o$11b3o$10bobo$10b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] UFx107U (click above to open LifeViewer)

4$13b3o$13b3o$12bobo$12b2o7$14b2obo$14b2ob3o$6b2o12bo$7bo6b2ob3o$4b3o 8bobo$4bo10bobo$16bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] ULx44R (click above to open LifeViewer)

6$5b2o$6bo$5bo$5b2o$7bo6b3o$5b3o6b3o$4bo8bobo$4b2o7b2o5$8bo$7bobo$8bo 2$19b2o$19b2o2$10b2o12b2o$9bobo12b2o$9bo$8b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] URx71B (click above to open LifeViewer)

2o$bo$bobo8b3o$2b2o8b3o$11bobo$11b2o6$23b2ob2o$5b2o15bobobo$6bo15bobo bo$3b3o15b2o2bo$3bo14bo4b2o$18b5o$16b2o4bo$17bo2b2o$17bobo$12bo2bobob o$12b4ob2o$16bo$14bobo$14b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] UR40G (click above to open LifeViewer)

21b2o$17bobo2bo$15b3ob2o$14bo$6b2o7b3ob2o$6bobo8bob2o17b2o$4bobobo$3b obo2bob2o27bo2b2o$2bo2bobobo2bo27b3o$2b2obobo3bobo27bo$5bob2o3bo$2b2o bo42bo$o2bobo41bobo$2o2bo4b2o4b2o12b2o17bo$8bo2bo2bo2bo11b2o$2o2bo4b2o 4b2o$o2bobo$2b2obo$5bob2o3bo$2b2obobo3bobo31b2o$2bo2bobobo2bo28bo3b2o $3bobo2bob2o28bobo$4bobobo30bobo$6bobo30bo$6b2o30b2o21$22b2o$22b2o2$22b 4o12b2o$22bo2bo$39bo2b2o$16b2o22b3o$17bo23bo$17bobo$18b2o28bo$47bobo$ 29b2o17bo$29b2o5$45b2o$41bo3b2o$40bobo$39bobo$39bo$38b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] URx141R. top is origional form, bottom is reduced form from simeks (click above to open LifeViewer)

found by MathAndCode

3$3b2o$4bo$4bobo8b3o$5b2o8b3o$14bobo$14b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] UR36C (click above to open LifeViewer)

$3b2o$4bo$4bobo8b3o$5b2o8b3o$14bobo$14b2o7$8b2o$9bo$6b3o$6bo$14b2o$15b o$12b3o$12bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] UR38B (click above to open LifeViewer)

2$2o$bo$bobo8b3o$2b2o8b3o$11bobo$11b2o7$5b2o12b2o$6bo12b2o$3b3o$3bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] UF38G (click above to open LifeViewer)

$8b3o$8b3o$7bobo$7b2o4$4b2o$5bo$2b3o$2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] URx13B (click above to open LifeViewer)

$5b3o$5b3o$4bobo$4b2o6$10bo$9bobo$10b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] UBx31B (click above to open LifeViewer)

4$8b3o$8b3o2bo$7bobo2bobo$7b2o4bo3$11b2o$11bobo$13bo$7b2o4b2o$7bo$8b3o $10bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] UL73H (click above to open LifeViewer)

$b2o$2bo$bo$b2o$3bo6b3o$b3o6b3o$o8bobo$2o7b2o5$4bo$3bobo$4bo5$6b2o$5b obo$5bo$4b2o$26bo$25bobo$25bo2bo$18b2o6b2o$18bo$19b3o$21bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] URx330S (click above to open LifeViewer)

5$13b2o$14bo$14bobo$15b2o$9bo10bo$9b3o7bobo$12bo6bobo$9b2obo7bo$8bobo b2o$7bo6bo$7b7o2$9b3o$8bo2bo$8b2o12b2o$21bo2bo$22b2o6b2o$11b2o17b2o$10b obo$10bo$9b2o6$18b3o$18b3o$17bobo$17b2o13$11b2o$11bo3b2o$8b2obo2bobo$ 8bobob3obobob2o$11bo3b2ob2obo$12b2o3bo$14b2obo$14bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] UB147G (click above to open LifeViewer)

2o$bo$bobo$2b2o6$13b3o$13b3o2bo$12bobo2bobo$12b2o4bo6$15b2o$11bo3b2o$ 10bobo$9bobo$9bo$8b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] UF48C (click above to open LifeViewer)

found by EvinZL

2o$obo$2bo$2b2o$4bo6b3o$2b3o6b3o$bo8bobo$b2o7b2o8$12bo$11bobo$10bobo$ 8b3o2b3o3b2o$7bo3b2o3bo2b2o$8b3o2b2obo$10bobo2bo$11bobo$12bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] UB26G (click above to open LifeViewer)

found by ihatecorderships

o$3o5b2o$3bo4b2o$2b2o3$3b2o$3b2o9$7b3o$7b3o$6bobo$6b2o12$13b2o$13bo$14b 3o$16bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] UR120W (click above to open LifeViewer)

found by wwei47

4b2o28b2o$4bo2bo26bo$5b3o24bobo$2b3o27b2o$bo3bo30b2o$2b3o17b3o11bo$5b 3o14b3o9bobo$4bo2bo13bobo10b2o$4b2o15b2o2$8b2o$2ob2o2bo2bo$2obo4bobo$ 3bo5bo$2obob2o$2obo2bo$4bo4bo4b2o$5b5o3bobo$13bo$7bo4b2o4b2o10b2o$6bo bo9b2o6bo3b2o$7bo17bobo$24bobo$24bo$23b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] UB142P (click above to open LifeViewer)

U-Turner as output

Found by unknown person

x=36, y = 30, rule = LifeHistory D3.D.4D7.3D2.3D2.D3.D$D3.D.D3.D5.D8.D.D3.D$D3.D.D3.D5.D8.D.D3.D$5D.4D 6.4D2.3D2.D3.D$D3.D.D3.D.D.D.D3.D4.D.D3.D$D3.D.D3.D2.D2.D3.D4.D.D3.D$ D3.D.4D2.D.D2.3D2.3D3.3D4$25.2A$26.A$25.A5.2A$25.2A4.A.A$33.A$31.A.2A $31.2A2.A$34.2A6$30.3C$31.C$29.3C$20.3D$20.3D$21.D.D$22.2D!

2o$bo$o5b2o$2o4bobo$8bo$6bob2o$6b2o2bo$9b2o6$5b3o$6bo$4b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] HBx63U (click above to open LifeViewer)

Note: this H to U is simply a herschel transmitter with the eater 1 removed, as such the person who should be credited with discovering the H to U can't be determined with full certainty.

Periodic

U-Turner as input

U to Glider

Single period

p5

6b2o$5bo2bo$o2bo2bobo$5obob2o7b3o$6b2o2bo6b3o$2bob2o3b3o4bobo$bobob2o 2b3o4b2o$bo2b2o3b3o$2bo3b2o2bo$3b2obob2o$4bobobo$3bo2bobo$3b2o2bo$18b 2o$18bo$19b3o$21bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p5 U to G (click above to open LifeViewer)

6b3o$6b3o$5bobo$5b2o7$3b7o$b3ob3ob3o$o4b3o4bo$ob3obob4o$bo$3bobobob2o bo$2b2obobobob2o$3bobo2bo$3bo2b2o$2b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p5 U to G (click above to open LifeViewer)

6b2o$5bo2bo$o2bo2bobo$5obob2o$6b2o3bo$2b3o2b2o8b3o$bobo2bobo3bo4b3o$b ob2o2b2o7bobo$2bo3b2o3bo4b2o$3b2obob2o$4bobobo$3bo2bobo$3b2o2bo2$18b2o $18bo$19b3o$21bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p5 U to G (click above to open LifeViewer)

p6

8b3o$8b3o$7bobo$7b2o$16b2o$16b2o4$9b2o2$5bo8bo$4b2o8b2o$4b2o8b2o$7b6o $2bo14bo$b4o10b4o$o3bo10bo3bo$b3o12b3o3$b3o12b3o$o3bo10bo3bo$2ob2o10b 2ob2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p6 U to G (click above to open LifeViewer)

p7

4b3o$4b3o$3bobo$3b2o12$4b2ob4ob2o$3bob8obo$3bobobo2bobobo$b3obo2b2o2b ob3o$o4bo2b2o2bo4bo$b3obo6bob3o$3bob2o4b2obo$4b10o$7bo2bo$7bo2bo$3bo3b o2bo3bo$b3o3bo2bo3b3o$o5bo4bo5bo$b3o3bo2bo3b3o$3bo3bo2bo3bo$7bo2bo$7b o2bo$4b10o$3bob2o4b2obo$b3obo6bob3o$o4bo2b2o2bo4bo$b3obo2b2o2bob3o$3b obobo2bobobo$3bob8obo$4b2ob4ob2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p7 U to G (click above to open LifeViewer)

p8

5b3o$5b3o$4bobo$4b2o13$6b3o2b3o$6b3o2b3o$6b3o2b3o$7b2o2b2o$7b2o2b2o$8b o2bo$3b2o3b4o3b2o$3bo5b2o5bo$bobo5b2o5bobo$b2ob2o8b2ob2o$4bo2bob2obo2b o$b2obobobo2bobobob2o$obobo3bo2bo3bobobo$obo4b2o2b2o4bobo$bo2b3o6b3o2b o$2b2o2bo6bo2b2o$4b2o8b2o$4bo3b4o3bo$b2obo2b6o2bob2o$2bobobob4obobobo $2bobob2o4b2obobo$b2obobo6bobob2o$2bob2o8b2obo$2bobo10bobo$b2obo2bo4b o2bob2o$4bo3bo2bo3bo$4bobob4obobo$5bobo4bobo$8b4o$3b4obo2bob4o$3bo2b2o 4b2o2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p8 U to G (click above to open LifeViewer)

p15

6b2o9b3o$5bo2bo8b3o$o2bo2bobo7bobo$5obob2o6b2o$6b2o3bo$2b3o2b2o$bobo2bobo3bo$bob2o2b2o$2bo3b2o3bo$3b2obob2o$4bobobo$3bo2bobo9bo$3b2o2bo10bo 2$18bo$17bobo2$17b3o3$17b3o2$17bobo$18bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p15 U to 2 gliders (click above to open LifeViewer)

b3o$b3o$obo$2o2$10b2o6b2o$9bo2bo4bo2bo$8b6o2b6o$9bo2bo4bo2bo$10b2o6b2o 6$3bo$2b3o3$2b3o2$2bobo$2bobo2$2b3o3$2b3o$3bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p15 U to G (click above to open LifeViewer)

Multiple periods

6b2o$6bobo$8bo$3bo2bob2o$3b4o2bo$7b2o8b3o$3b4o2bo7b3o$obo3bob2o6bobo$ 2obo4bo7b2o$3bob2obo$3bo3bob2o$2ob2o2bobo$obo2bobobo$2bobo2bo2b2o$2bo 5bobo$b2ob5obo$2bo6bo$2bobo2b2o$3b4o$8b3o$b7o2bo$bo2bo2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 7+ (click above to open LifeViewer)

9b2o$9bobo$b3o6b3o$b3o7b2o$obo5b2o$2o6b3o3$9b2o$9b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 5,6,8+ (click above to open LifeViewer)

21b3o$21b3o$20bobo$20b2o3$2bo6bo$b2o6b2o$3o6b3o$b2o6b2o15bo$2bo6bo15b obo$26b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 6+ (click above to open LifeViewer)

7b3o$7b3o$6bobo$6b2o5$8o$ob4obo$8o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 4+ (click above to open LifeViewer)

2bo2bo4bo2bo$3o2b6o2b3o4b3o$2bo2bo4bo2bo6b3o$19bobo$19b2o3$16b2o$17bo$14b3o$14bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 8+ (click above to open LifeViewer)

4b2o$5bo$5bobo$6b2o7b3o$15b3o$14bobo$14b2o3$4b2o$3b4o$2b3ob2o$2bo3b3o $3o5bobo$2bob3ob2obo$4b2o3b2o2$4b2o3b2o$2bob3ob2obo$3o5bobo$2bo3b3o$2b 3ob2o$3b4o$4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 16+ (click above to open LifeViewer)

19b2o3bo$18bo2bobobo2bo$9b3o6bob2obob4o$9b3o5b2obo2bo$8bobo6bo4bobob3o $8b2o8bobobobo4bo$18bobobob2o2b2o$18bobob3o$18bobo4bo$17bo2bobob2o$17b 2obobo$18bobo2b3o$18bobo4bo$2b2o15bo$bobo$bo$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 4+ (click above to open LifeViewer)

16b2o3bo$15bo2bobobo2bo$6b3o6bob2obob4o$6b3o5b2obo2bo$5bobo6bo4bobob3o $5b2o8bobobobo4bo$15bobobob2o2b2o$15bobob3o$15bobo4bo$14bo2bobob2o$14b 2obobo$15bobo2b3o$15bobo4bo$16bo2$11b2obo$11b2ob3o$17bo$11b2ob3o$12bo bo$2b2o6bo$3bo6b2o$3o$o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 4+ (click above to open LifeViewer)

22b3o$22b3o$21bobo$21b2o6bo$28bobo$29bo$bo2bob2obo2bo$2o2bo4bo2b2o$bo 2bob2obo2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 3+ (click above to open LifeViewer)

17b2o$6bo2bo2bo3bo2bob2o$6b7o2bob3obo$2o13bo6b3o$bo2b11obob4o2bo$bobo 4bo5bobo4bo30bo$2o2bo4b3o3b2o2bo8b3o19b3o$o2bo2bo3bobo4bo2bo5b5o10b3o 5bo$b2ob2o5b3o3b3o4b7o10b3o5b2o$2bobo6b3o6bob3o15bobo$2bobo6b3o6bob3o 15b2o$b2ob2o5b3o3b3o4b7o$o2bo2bo3bobo4bo2bo5b5o$2o2bo4b3o3b2o2bo8b3o$ bobo4bo5bobo4bo$bo2b11obob4o2bo$2o13bo6b3o22b2o$6b7o2bob3obo24bo2bo2b 2o$6bo2bo2bo3bo2bob2o9b2o12bobo4bo2bo$17b2o12bobo13bo5bobobo$31bo18b2o bo2bo$30b2o4b2o5b2o5bo2bo$37bo5bo3bo4bo$34b3o7b8o$34bo$46b4o$46bo2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 7+ excluding 13 and 14 (click above to open LifeViewer)

40b4o$40bo3bo$39bo4bo$38b2obobo$37bobo$36bo2b2o$40bo2b2o$36b2o2bo$40b 2o2bo$41bobo$37bobob2o$36bo4bo$36bo3bo$37b4o$27b3o$14bo12b3o$10b2obob o10bobo$10b2obobo10b2o11b2o$3b2o8bob2o22b2o$4bo5b4o3bo$3bo5bo4bob2o$3b 2o4b2ob2o3bo$b2o3bo2b2o4b2o$o2bob2o2b3obobo$bobo2bobo2bo3bo$2o2bobob4o b2o$2bob2obo4bo$2bo4bob2obo$b2o4b2ob2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 7n, n≥4 (click above to open LifeViewer)

45b2ob2o4b2o$44bob2obo4bo$44bo4bob2obo$42b2ob4obobo2b2o$41bobo4bobo2b obo$41bo2b2o2bob4o2bo$40b2obo4bobo3b2o$39bo2b2obo2bo3b2o$27b3o8b3obo4b o5bo$14bo12b3o9bo3b4o5bo$10b2obobo10bobo11b2obo8b2o$10b2obobo10b2o13b obob2o$3b2o8bob2o24bobob2o$4bo5b4o3bo24bo$3bo5bo4bob2o$3b2o4b2ob2o3bo $b2o3bo2b2o4b2o$o2bob2o2b3obobo$bobo2bobo2bo3bo$2o2bobob4ob2o$2bob2ob o4bo$2bo4bob2obo$b2o4b2ob2o22b2o$34b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 7n, n≥4 (click above to open LifeViewer)

9b3o$9b3o$8bobo$8b2o$bobo$o$bo2bo5b2o$bobobo4bo$2bo2bo5b3o$3b2o8bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 3+ (click above to open LifeViewer)

18b3o$18b3o$17bobo$17b2o$2bo4bo$2ob4ob2o$2bo4bo6$16bo2bo$14bo2b2o2bo$ 14bo2b2o2bo$16b4o$14bobo2bobo$14b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 10+ (click above to open LifeViewer)

b2o6b2o$o2bo4bo2bo7b3o$o2bo4bo2bo7b3o$o2bo4bo2bo6bobo$b2o6b2o7b2o5$12b 2o$12b2o4$18b2o$16bo4bo$16bo4bo$16bo4bo$17bo2bo$15bobo2bobo$15b2o4b2o ! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 11+, excluding 17-21 (click above to open LifeViewer)

8b3o$8b3o$7bobo$7b2o3$14b2o6b2o$13bo2bo4bo2bo$12b6o2b6o$13bo2bo4bo2bo $14b2o6b2o6$bo2bob2obo2bo$2o2bo4bo2b2o$bo2bob2obo2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 9+ (click above to open LifeViewer)

b3o$b3o$obo$2o$9bo2bo4bo2bo$7b3o2b6o2b3o$9bo2bo4bo2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 15+ (click above to open LifeViewer)

3bo$2b2o$bob2o$3o2bo$2bobobo$3bobobo$4bo2b3o$5b2obo$6b2o$6bo$13b3o$13b 3o$12bobo$12b2o18$21b2o$21bo$22b3o$24bo$16bo$15b2o$14bob2o$13b3o2bo$15b obobo$16bobobo$17bo2b3o$18b2obo$19b2o$19bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 4+ (click above to open LifeViewer)

U to B-heptomino

single-period

p7

27b3o$14bo12b3o$10b2obobo10bobo$10b2obobo10b2o$3b2o8bob2o$4bo5b4o3bo$ 3bo5bo4bob2o$3b2o4b2ob2o3bo$b2o3bo2b2o4b2o$o2bob2o2b3obobo$bobo2bobo2b o3bo18b2o$2o2bobob4ob2o19bobo$2bob2obo4bo23bo$2bo4bob2obo23b2o$b2o4b2o b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p7 U to B (click above to open LifeViewer)

p8

15bob2o$2bo12b2obo$18bob2o8bo$ob3o6b2o5bo2bo3b2o2bobo$2b2obo5bobob2ob 2o5bo3bobo$2bob2o7bobobo2b4obo2b2o2b2o$3b3obo4b2obobobo3bobobo2bobo$9b obo5bobob2o2bob2obobo8b3o$5bo4bobo3b4o2bobo2bo2bob2o7b3o$11bo9bo4bo2b 2o2bo6bobo$12b9o3bobo2b2ob2o6b2o$32b2o$12b9o3bobo2b2ob2o$11bo9bo4bo2b 2o2bo$5bo4bobo3b4o2bobo2bo2bob2o$9bobo5bobob2o2bob2obobo$3b3obo4b2obo bobo3bobobo2bobo$2bob2o7bobobo2b4obo2b2o2b2o5b2o$2b2obo5bobob2ob2o5bo 3bobo7b2o$ob3o6b2o5bo2bo3b2o2bobo$18bob2o8bo$2bo12b2obo$15bob2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p8 U to B (click above to open LifeViewer)

p15

15b3o$15b3o$14bobo$14b2o7$2b2o$3bo$3o13bo$o14b3o3$15b3o2$15bobo$15bob o2$15b3o3$15b3o$16bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p15 U to B (click above to open LifeViewer)

p46

28b3o$28b3o$27bobo$27b2o9$15b2o7b2o$2o11b2o2bo6b2o$2o11b6o4bo2bo$13b4o 5bob2o$22bob2o2$22bob2o$13b4o5bob2o$2o11b6o4b3ob2o$2o11b2o2bo6bobobo$ 15b2o7b4o$25b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p46 U to B (click above to open LifeViewer)

multiple periods

3bo$2b2o$bob2o$3o2bo$2bobobo$3bobobo$4bo2b3o$5b2obo$6b2o$6bo$13b3o$13b 3o$12bobo$12b2o14$6bob2o$4b3ob2o$3bo$4b3ob2o$6bobo$6bobo$7bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 4+ (click above to open LifeViewer)

4b2o$3b4o$2bob2ob2obo$7b2o2bo$2b2o2b2o2b3o$2b4obo2b3o$bo2bo3bo2bo$3o2b ob4o$3o2b2o2b2o$bo2b2o$2bob2ob2obo$6b4o7b3o$7b2o8b3o$16bobo$16b2o6$9b 2o$8bobo17b2o$8bo19bobo$7b2o21bo$30b2o$24b2o$24bo$25b3o$27bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 6+ (click above to open LifeViewer)

11b3o$11b3o$10bobo$10b2o5$bo6bo$o7b2o3b2o$2o5bobo3b2o$4bob3o$4b3o2$4b 3o$4bob3o$2o5bobo3b2o$o7b2o3b2o$bo6bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 9+ (click above to open LifeViewer)

b3o$b3o$obo$2o12$4b3o2$3bo3bo$3bo3bo2$4b3o3$4b3o2$3bo3bo$3bo3bo2$4b3o ! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 7+ (click above to open LifeViewer)

11b2o3bo$10bo2bobobo2bo$b3o6bob2obob4o$b3o5b2obo2bo$obo6bo4bobob3o$2o 8bobobobo4bo$10bobobob2o2b2o$10bobob3o$10bobo4bo$9bo2bobob2o$9b2obobo $10bobo2b3o$10bobo4bo$11bo4$3b2o$3bo$4b3o$6bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 4+ (click above to open LifeViewer)

14b2o3bo$13bo2bobobo2bo$4b3o6bob2obob4o$4b3o5b2obo2bo$3bobo6bo4bobob3o $3b2o8bobobobo4bo$13bobobob2o2b2o$13bobob3o$13bobo4bo$12bo2bobob2o$12b 2obobo$13bobo2b3o$13bobo4bo$14bo6$7b2o$3bo3b2o$2bobo$bobo$bo$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works for periods 4+ (click above to open LifeViewer)

U to R-pentomino

single period

p3

12b3o$12b3o$11bobo7bo$11b2o6bo3b4o$19bo3bo$19bo$22bo$2o18b2o$o$b3o$3b o$b2o$bo$2bo$b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p3 U to R (click above to open LifeViewer)

p4

10b3o$10b3o$9bobo$9b2o9b2o$20b2o11$9b8o$7bob8obo$5b2o3b6o3b2o$2o2b3o12b 3o2b2o$obob3o2bobo2bobo2b3obobo$bo6b2obo2bob2o6bo$2b3o2bob2o4b2obo2b3o $5bob2o8b2obo$4o2b2o2bo4bo2b2o2b4o$o2bobo3bobo2bobo3bobo2bo$4bo4bo6bo 4bo2$8bob6obo$2o4b2ob8ob2o4b2o$obobo2b12o2bobobo$2bobob2o10b2obobo$bo 8b2o2b2o8bo$b3obo4bo4bo4bob3o$5bob2obo4bob2obo$ob2obobobo6bobobob2obo $2ob2o16b2ob2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p4 U to R (click above to open LifeViewer)

p8

34b2obo$34bob2o12bo$22bo8b2obo$21bobo2b2o3bo2bo5b2o6b3obo$8b3o10bobo3b o5b2ob2obobo5bob2o$8b3o8b2o2b2o2bob4o2bobobo7b2obo$7bobo10bobo2bobobo 3bobobob2o4bob3o$7b2o11bobob2obo2b2obobo5bobo$19b2obo2bo2bobo2b4o3bobo 4bo$19bo2b2o2bo4bo9bo$19b2ob2o2bobo3b9o$16bo2b2o$19b2ob2o2bobo3b9o$19b o2b2o2bo4bo9bo$19b2obo2bo2bobo2b4o3bobo4bo$20bobob2obo2b2obobo5bobo$8b 4o8bobo2bobobo3bobobob2o4bob3o$7b6o6b2o2b2o2bob4o2bobobo7b2obo$7b6o8bo bo3bo5b2ob2obobo5bob2o$21bobo2b2o3bo2bo5b2o6b3obo$8b4o10bo8b2obo$7b6o 21bob2o12bo$7bo4bo21b2obo$8b4o$9b2o$3b2o10b2o$3bobo2bo2bo2bobo$bobob4o 2b4obobo$b2obobob4obobob2o$4bob2o4b2obo$b2obo2b2o2b2o2bob2o$obobo3bo2b o3bobobo$obobo10bobobo$bo2bob2o4b2obo2bo$2b2o12b2o$4b2o8b2o$4bo10bo$b 2obo10bob2o$b2obob8obob2o$4bobob4obobo$b2obo2bob2obo2bob2o$b2obo10bob 2o$4bo10bo$4b3o6b3o$2b2o2bo6bo2b2o$bo2bo10bo2bo$obobo3bo2bo3bobobo$obo b3o6b3obobo$b2obobo6bobob2o$4bobo6bobo$b2ob3o6b3ob2o$bobo5b2o5bobo$3bo 5b2o5bo$3b2o10b2o$9b2o$9b2o$8bo2bo$8bo2bo$8bo2bo$6b8o$7bo4bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p8 U to R, from MathAndCode (click above to open LifeViewer)

p12

5b3o$5b3o$4bobo$4b2o10$6b2o$5bobo$5b3o$4bo$3bob4o$b2obo4bo$obobob2obo b3o$3obob2obobobo$4bo4bob2o$5b4obo$9bo$6b3o$6bobo$6b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p12 U to R (click above to open LifeViewer)

multiple periods

10b3o$10b3o$9bobo$9b2o10$2b2o8b2o$2bo2b6o2bo$3b2o6b2o$3o10b3o$o2bobo4bobo2bo$b2o4b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 4+ (click above to open LifeViewer)

12b3o$12b3o$11bobo$11b2o4$27b2o$2b2o23bobo$bobo25bo$bo27b2o$2o10b2o6b 2o$10bo4bo4bo$10bo4bo5b3o$10bo4bo7bo$11bo2bo$9bobo2bobo$9b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 5,6,9+ (click above to open LifeViewer)

b3o$b3o$obo$2o4$5b2o$b2o2b2o$b2o2bob2o$6b3o3$6b2o$6b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 5+ (click above to open LifeViewer)

11b3o$11b3o$10bobo$10b2o6$11b2o$9bo4bo2$9bo4bo$9bo4bo$9b2o2b2o$8bobo2b obo$5bo3b2o2b2o3bo$4bo2b2o2b2o2b2o2bo$4b3o4b2o4b3o$7bo8bo$2b4ob2o6b2o b4o$2bo2bobob2o2b2obobo2bo$3bo16bo$3o5bo6bo5b3o$o2b3o2bo2b2o2bo2b3o2b o$2bo2bo2bo6bo2bo2bo$3bo4bob4obo4bo$3o5bo6bo5b3o$o5bo2b6o2bo5bo$5b4ob o2bob4o2$4bob4ob2ob4obo$2b3obo2b2o2b2o2bob3o$bo5b2o6b2o5bo$2bob2obo8b ob2obo$3b2o2bob2o2b2obo2b2o$6bob3o2b3obo$3b2obo4b2o4bob2o$2bo2bobob6o bobo2bo$2b2obobo3b2o3bobob2o$5bo3b6o3bo$5b2o2b2o2b2o2b2o$3b2o14b2o$4b ob2ob2o2b2ob2obo$4bob2ob6ob2obo$b2obob2o3b2o3b2obob2o$2bobobo10bobobo $2bobob2obo4bob2obobo$3bobo4bo2bo4bobo$5bo2b8o2bo$5bobobo4bobobo$4b2o 2bo6bo2b2o$3bo2b2ob2o2b2ob2o2bo$3b3obobo4bobob3o$6bo10bo$3b2o2bobo4bo bo2b2o$3bo16bo$bobo3bo8bo3bobo$b2o4b3o4b3o4b2o$9b2o2b2o2$4b2obo2bo2bo 2bob2o$4bo14bo$5b4obo2bob4o$2b3o5b4o5b3o$bo2bob4o4b4obo2bo$b2obobo2bo b2obo2bobob2o$4bo3b2ob2ob2o3bo$4bo2b2o6b2o2bo$b2obob3ob4ob3obob2o$b2o bob2o3b2o3b2obob2o$4bo5b4o5bo$4b2o2bo6bo2b2o$5bo2bo6bo2bo$2b3o14b3o$2b o2b3o3b2o3b3o2bo$3b2o4bo4bo4b2o$5b2ob2o4b2ob2o$5bo3bo4bo3bo$6b4o4b4o$ 3b3o4b4o4b3o$3bo2bo2b6o2bo2bo$6bobo6bobo$7bobo4bobo$10bo2bo$5b5ob2ob5o $4bo4b2o2b2o4bo$4b2o2bo6bo2b2o2$8bo6bo$7bobo4bobo$10bo2bo$7bo2bo2bo2b o2$7bo8bo$6bo2b2o2b2o2bo$6bo3bo2bo3bo$4bobobo6bobobo$3bobobob6obobobo $4bo2bo3b2o3bo2bo$5b2ob2o4b2ob2o$6bo2bo4bo2bo$5bo2bob4obo2bo$5b2obobo 2bobob2o$8bobo2bobo$3b4obob4obob4o$3bo2bob2o4b2obo2bo2$7b2obo2bob2o$9b 6o2$9b6o$7b2obo2bob2o2$3bo2bob2o4b2obo2bo$3b4obob4obob4o$8bobo2bobo$5b 2obobo2bobob2o$5bo2bob4obo2bo$6bo2bo4bo2bo$5b2ob2o4b2ob2o$7bo3b2o3bo$ 7bob6obo$8bo6bo$10bo2bo$8bob4obo$7bobo4bobo$7bo2bo2bo2bo$8b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 5+ (click above to open LifeViewer)

b3o$b3o6bo$obo5b2o$2o8b2o$9bo3$8b2o$8bobo$10bo$10b2o2$5b2obo$5b2ob3o$ 11bo$5b2ob3o$6bobo$6bobo$7bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 2+ (click above to open LifeViewer)

3b2o$4bo$3bo$3b2o$5bo6b3o$3b3o6b3o$2bo8bobo$2b2o7b2o10$5bo2b2obob2o2b o$5b4ob3ob4o$3b2o5bobo5b2o$2bo3b4o3b4o3bo$3b3o11b3o$5bo2bo5bo2bo$6b2o 7b2o$3bo5bo3bo5bo$3b5obo3bob5o$8b2o3b2o$5b2o9b2o$5bo11bo$2b2obobo2bob o2bobob2o$2bo2bob2obobob2obo2bo$4bobo3bobo3bobo$5o5bobo5b5o$o4b4obobo b4o4bo$bo2bo2bob2ob2obo2bo2bo$2o2b4o2bobo2b4o2b2o$7bo2bobo2bo$4b3o3bo bo3b3o$3bo2bobobobobobo2bo$3b2o2bobo3bobo2b2o$8bo5bo3$5b3o7b3o$8bo5bo $4bo3bo5bo3bo$3bobo2bo5bo2bobo$bo2bobo9bobo2bo$bo3bo11bo3bo$bo19bo$2b 3o13b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 6+, excluding 9 and 10 (click above to open LifeViewer)

12b3o$12b3o$2o9bobo$o10b2o$b3o$3bo$b2o$bo$2bo$b2o3$12b3o$11bo2b2obo$12b o5bo$8bo4b2o3bo$7bobo4b4o$8bo3$12b3o$12b3o$12b3o$9b3o$9b3o$9b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 10+ (click above to open LifeViewer)

U to Pi-heptomino

single-period

p6

2b2o$b4o$obo2bo$2o2bobo$5bobo5b3o$7b2o4b3o$6b3o3bobo$5bobo4b2o$5b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p6 U to P (click above to open LifeViewer)

p7

100b2o2b2o$58b2o2b2o6b2o11bo11bo5bo3bo$53b2o3b2o2bobo5bo10b3o5b2o3bob o4bobobob2o$13b2o7b2o6bo16b2o3bobo9bo6b3ob2o3bo5bo2bobobo2bo5bobobobo $13bo9bo5bobo9b2o5bo3bobob9ob2o5bobobo3b6o4bob2ob2o6bo3bob2o$8bob2obo 9bob2obobo10bobo4bob2obobo9bobo7bob4o2bo3b4o3bo4b2o2b2o2b2obo$8b2obob 2o7b2obob2o2b3o9bo2b2obobobobob2o3b2obo8bo6bo3bobo3b2o3b2o12bo$b2o3b2o 7bo5bo7b2o2bo4bo3b2obobobo2bo4bobo3bob2o4bob3o3b3o2b2o3b2o2b3obobo4b2o b2o3b3o$o2bobo2b2ob7ob7ob2o2b2o4bobo2bo2bobobob2o5b2o3bo2b2o6bo2bob5o 4bo2bo5bo3bo4bo6b3o$obo3bobo19bobo2bo2bo2bo2b2obo2b2o9b2ob2o2bobob2o3b obo5b7o3b3obo3bo2bob4obo3bo$bob3o2bob3o3b2ob2o3b3obo2b3o3b2o2b2obobob 2o2bo3b2obobo4b3obo4bob2o15bo5b2obo3bo3b4o$3bo4bo8bobo8bo12bo7bobo4b2o 2b3obo4bo6bo2bo15bo4bob2o7b4o$3bo4bo8bobo8bo12bo7bobo4b2o2b3obo4bo6bo 2bo15bo4bob2o7b4o10b3o$bob3o2bob3o3b2ob2o3b3obo2b3o3b2o2b2obobob2o2bo 3b2obobo4b3obo4bob2o15bo5b2obo3bo3b4o10b3o$obo3bobo19bobo2bo2bo2bo2b2o bo2b2o9b2ob2o2bobob2o3bobo5b7o3b3obo3bo2bob4obo3bo8bobo$o2bobo2b2ob7o b7ob2o2b2o4bobo2bo2bobobob2o5b2o3bo2b2o6bo2bob5o4bo2bo5bo3bo4bo6b3o8b 2o$b2o3b2o7bo5bo7b2o2bo4bo3b2obobobo2bo4bobo3bob2o4bob3o3b3o2b2o3b2o2b 3obobo4b2ob2o3b3o$8b2obob2o7b2obob2o2b3o9bo2b2obobobobob2o3b2obo8bo6b o3bobo3b2o3b2o12bo$8bob2obo9bob2obobo10bobo4bob2obobo9bobo7bob4o2bo3b 4o3bo4b2o2b2o2b2obo$13bo9bo5bobo9b2o5bo3bobob9ob2o5bobobo3b6o4bob2ob2o 6bo3bob2o$13b2o7b2o6bo16b2o3bobo9bo6b3ob2o3bo5bo2bobobo2bo5bobobobo$53b 2o3b2o2bobo5bo10b3o5b2o3bobo4bobobob2o$58b2o2b2o6b2o11bo11bo5bo3bo$100b 2o2b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p7 U to P (click above to open LifeViewer)

multiple periods

2b2o$3bo$3bobo$4b2o4b3o$10b3o$9bobo$9b2o4$4bo4b6o4bo$2b3o3b2o4b2o3b3o $bo5bo8bo5bo$bob2o2b3o4b3o2b2obo$2obo2bo2b2o2b2o2bo2bob2o$bo2b5o6b5o2b o$bo7bo4bo7bo$2b3ob2obo4bob2ob3o$4bobo2bob2obo2bobo$4bo2bobob2obobo2b o$5bobo2bo2bo2bobo$4b2obo8bob2o$7bo8bo$7bobo4bobo$8b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 5+ (click above to open LifeViewer)

16b3o$16b3o$15bobo$15b2o3$5b2o$5b2o2$24b2o$5bob2o15bobo$2o2bobo19bo$2o 3bo20b2o$4bo$4bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 4+ (click above to open LifeViewer)

16b3o$16b3o$15bobo$15b2o3$5b2o$5b2o3$5bob2o$2o2bobo$2o3bo14b2o$4bo15b o$4bo16b3o$23bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 4+ (click above to open LifeViewer)

5$16b2o3bo$5b3o7bo2bobobo2bo$5b3o7bob2obob4o$4bobo7b2o4bo$4b2o8bo2bob ob5o$15bobobobobo2bo$16bo2bo2bo2b2o$15bobob2o$16b2obo2bo$14bo2bob4o$14b 2obobo$15bobo2b3o$15bobo4bo$11b2o3bo$7b2o2b2o$7b2o2bob2o$12b3o3$12b2o $12b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 4+ (click above to open LifeViewer)

9b3o$9b3o$8bobo$8b2o9$6b2ob2ob2o$6bo2b2o2bo2$7b6o$8bo2bo$8bo2bo$9b2o$ 3b2o10b2o$3bo5b2o5bo$bobobo3b2o3bobobo$b2obobo6bobob2o$4bob2o4b2obo$b 2obob2o4b2obob2o$obobob2o4b2obobobo$obobo10bobobo$bo2b2o8b2o2bo$2b2o2b o6bo2b2o$4bobo6bobo$4bo10bo$b2ob2o8b2ob2o$2bobo2bo4bo2bobo$2bobobo6bo bobo$b2obobo6bobob2o$2bobo2b6o2bobo$2bobo10bobo$b2ob2o8b2ob2o$4bob3o2b 3obo$4bobob4obobo$5b2o6b2o$8b4o$3b4obo2bob4o$3bo2b2o4b2o2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 7+ (click above to open LifeViewer)

9b3o$9b3o6bo$8bobo7bo$8b2o7b3o3$17b3o$18bo$18bo$18bo$18bo$17b3o2$2b2o $3bo13b3o$3o15bo$o17bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 13,15+ (click above to open LifeViewer)

36b3o$36b3o$10b2o9b2o3b2o7bobo$2o7bobo8bob2ob2obo6b2o$2o6b2obo8bo7bo$ 9b2o9bob2ob2obo$10bo10b2o3b2o2$10bo$9b2o$2o6b2obo15b2o$2o7bobo15b2o$10b 2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 9+ (click above to open LifeViewer)

b2o$2bo$bo$b2o$3bo6b3o$b3o6b3o$o8bobo$2o7b2o9$10bo2bo$8bo2b2o2bo$8bo2b 2o2bo$10b4o$8bobo2bobo$8b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 4+ (click above to open LifeViewer)

17b2o$6bo2bo2bo3bo2bob2o$6b7o2bob3obo$2o13bo6b3o$bo2b11ob6o2bo$bobo4b o5bobobo4bo$2obobo4b2o3bo3b2o$o5bo2bo2bo4b2o8b5obo$b2ob2o6bo5b2o3bob2o $2bobo7bo8bo2bo9bo5b3o$2bobo7bo8bo2bo9bo5b3o$b2ob2o6bo5b2o3bob2o12bob o$o5bo2bo2bo4b2o8b5obo5b2o$2obobo4b2o3bo3b2o$bobo4bo5bobobo4bo$bo2b11o b6o2bo$2o13bo6b3o$6b7o2bob3obo$6bo2bo2bo3bo2bob2o$17b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 7+ (click above to open LifeViewer)

b3o$b3o$obo$2o8$5b2o$4bobo$3bobo$4bo$11bo3bo$9b2obobob2o$8bo3bobo3bo$ 7bo3b2ob2o3bo$7bobo7bobo$8bo9bo2$11b2ob2o$10bobobobo$11bo3bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 5+ (click above to open LifeViewer)

U to Herschel

single period

p7

27b3o$14bo12b3o$10b2obobo10bobo$10b2obobo10b2o$3b2o8bob2o$4bo5b4o3bo$ 3bo5bo4bob2o$3b2o4b2ob2o3bo$b2o3bo2b2o4b2o$o2bob2o2b3obobo$bobo2bobo2b o3bo$2o2bobob4ob2o$2bob2obo4bo$2bo4bob2obo13bo$b2o4b2ob2o15bo2b2o$27b 2ob2o$26b2o$26bo$23b2o2b3o$24bobob2o$25b2obobo$25b3o2b2o$28bo$27b2o$23b 2ob2o$23b2o2bo$28bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p7 U to H (click above to open LifeViewer)

p15

9b2o$10bo$10bobo8b3o$11b2o8b3o$20bobo$20b2o3$2o3bo2bo3b2o$5o4b5o$2o3b o2bo3b2o7$17b2o$15b2o2b2o$15bo4bo$16bo2bo$14bobo2bobo$14b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p15 U to H (click above to open LifeViewer)

19b3o$19b3o$18bobo$18b2o2$8o$ob4obo$8o5$23b2obo$23b2ob3o$15bo13bo$14b obo6b2ob3o$24bobo$24bobo$14b3o8bo$14b3o$15bo3$15bo$14b3o$14b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p15 U to H (click above to open LifeViewer)

multiple periods

2o$obo$2bo$2b2o$4bo6b3o22b2o$2b3o6b3o21bobo$bo8bobo22bo$b2o7b2o21b2ob 4o$34bobo2bo$33bo2bo$32b4o$35bo$5bo$4bobo$5bo$o$3o$3bo$2bobo$3bo3$4b2o $4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 5+ (click above to open LifeViewer)

b3o$b3o$obo$2o5$5bo3b2o$3b2obo$3b3o$2bo6bo$bo2bobobobo$2b3obob2o2$2b3o bob2o$bo2bobobobo$2bo6bo$3b3o$3b2obo$5bo3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 5+ (click above to open LifeViewer)

b2o$2bo$bo$b2o$3bo6b3o$b3o6b3o$o8bobo$2o7b2o4$27b2o$4bo22b2obo$3bobo25b o$4bo23bo$29bob2o$31b2o3$6b2o$5bobo$5bo$4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 4+ excluding 6,9,18, and 19 (click above to open LifeViewer)

12b3o$12b3o$11bobo$11b2o12$5bo2b2obob2o2bo$5b4o5b4o$3b2o5bobo5b2o$2bo 3b4o3b4o3bo$3b3o3bo3bo3b3o$5bobo7bobo$6b3o5b3o$3bo15bo$3b5ob2ob2ob5o$ 8b2o3b2o$5b2o9b2o$5bo11bo$2b2obob3o3b3obob2o$2bo2bob2obobob2obo2bo$4b ob2o2bobo2b2obo$5o5bobo5b5o$o4b4obobob4o4bo$bo2bo5bobo5bo2bo$2o2b2obo 2bobo2bob2o2b2o$7bob2ob2obo$4b3o3bobo3b3o$3bo2bobobobobobo2bo$3b2o2bo bo3bobo2b2o$8bo5bo2$6bo9bo$6b2o7b2o$5b2obo5bob2o$4bo2b3o3b3o2bo$3bobo bo7bobobo$2bobobo9bobobo$3o2bo11bo2b3o$bob2o13b2obo$2b2o15b2o$3bo15bo ! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 8 and 16 (click above to open LifeViewer)

U to Century

single period

p8

14bob2o$14b2obo$2o15bob2o8bo$2obo6b2o5bo2bo3b2o2bobo$4bo5bobob2ob2o5b o3bobo$bo10bobobo2b4obo2b2o2b2o7b3o$2bob2o5b2o3bobo3bobobo2bobo8b3o$4b 2o3b2obo5bob2o2bob2obobo7bobo$9bobo3b2obo2b2obobo2bob2o6b2o$10bo2bo6b obo2b3o5bo$11b9o4bo3b2o3bo$33bo$11b9o4bo3b2o3bo$10bo2bo6bobo2b3o5bo$9b obo3b2obo2b2obobo2bob2o$4b2o3b2obo5bob2o2bob2obobo$2bob2o5b2o3bobo3bo bobo2bobo$bo10bobobo2b4obo2b2o2b2o5b2o$4bo5bobob2ob2o5bo3bobo7b2o$2ob o6b2o5bo2bo3b2o2bobo$2o15bob2o8bo$14b2obo$14bob2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p8 U to C (click above to open LifeViewer)

multiple periods

b4o$o4bo$o3bobo$bo3bobo$7bo$7bo$4bo2bo3b3o$5b2o4b3o$10bobo$10b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 3+ (click above to open LifeViewer)

12b3o$12b3o$11bobo$11b2o2$4b2o$3bobo$3bo$2b2o3$7b6o$6bo6bo3$7b6o$7bo4b o$9b2o$9b2o$3b2o10b2o$3bo5b2o5bo$bobob2ob4ob2obobo$b2obobo6bobob2o$4b o2bo4bo2bo$b2obo2bo4bo2bob2o$obobob2o4b2obobobo$obobob2o4b2obobobo$bo 2bobo6bobo2bo$2b2o12b2o$4b2o8b2o$4bo10bo$b2obo10bob2o$2bobob2o4b2obob o$2bobobob4obobobo$b2obobo6bobob2o$2bobo10bobo$2bobobo6bobobo$b2obobo 6bobob2o$4bobobo2bobobo$4bobob4obobo$5bobo4bobo$8b4o$3b4obo2bob4o$3bo 2b2o4b2o2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 7+ (click above to open LifeViewer)

b2o$2bo$bo$b2o$3bo6b3o$b3o6b3o$o8bobo$2o7b2o6$7b2o2$5bo4bo2$o2bobob2o bobo$4ob2o2b2ob3o$6b4o5bo$2b2obo4bob2obo$2bo2bo4bo2bob2o$3bo3b2o2b2o3b o$3o2b3o2bobob2o$o2b4o4bo2bo$bobo2b2obobobo2bo$2bo5b2obobob2o$6b2obob obobo$6b4obobobo$10bo3bo$b2o3b2o$bo4bo$2b4o6b2o$10bo2bo$2b3ob4ob2o$bo 2bob2o3bo$b2o8bo$3b8o$3bo2bo$8bo$7b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 5, 7+ (click above to open LifeViewer)

28b2o3bo$27bo2bobobo2bo$27bob2obob4o$17b3o6b2obo2bo$17b3o5bo2bob2ob5o $16bobo6bo2bo2bobobo2bo$16b2o7bo5bo2bo2b2o$25bo3bob2o$25bo3bobo2bo$25b o3bob4o$26b2obobo$27bobo2b3o$27bobo4bo$28bo10$2b2o$3bo$3o$o5b6o$5bo6b o$3b3o6b3o$2bo7b2o3bo$3b6o3b2obo$11bob2o$5b7o$4bobobo3b3o$4bobo3b2o3b o$3b2ob2obobob2o$10b2obo$11bobo$9bobob2o$9b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 6+ (click above to open LifeViewer)

U to Dove

single-period

p46

b3o$b3o$obo$2o14$13b2o$13b2o12$7bo5bo$6b3o3b3o$5bo3bobo3bo$5bo9bo$6b3o 3b3o5$8b2ob2o$9bobo$5b2ob2ob2ob2o$5bo2bo3bo2bo$5bo9bo$5bo2bo3bo2bo$6b 2o5b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p46 U to Dove (click above to open LifeViewer)

multiple periods

15b2o$14bo2bo$2o12bob2o$13b2o$bo2b2o6bo3b2o$2b3o8b4obo$3bo8bo6bo$13b7o $13bo2bo3b2o$13bo5bo2bo$13b3obo2bobo$13b3ob2obob2o$14bobo3bobo$17bo2bo bo2b2o$18bo3bobo2bo$22bob2obo$20bo3bo2b2o$20b4o2bo2bo6b2o$21bo5b2o2bo 3bo2bob2o$21bo2b3o2b3o2bob2o3b3o$22bo3bobo5bo3b2o4bo$23b2o5b4obobo2b4o $25bo3bo5bobobo2bo$29b4o2bo6bo5b2o$29bo5b2obo2b2o3bo2bo$35bo2bo4bo2b2o $33bobobob4obobo$32bob2obo5bo2bo$32bo5b3o2bobo$31b2o7bo3bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 7,15+ (click above to open LifeViewer)

U to Wing

single-period

p5

14b2o2b2o$12b3o2bob3o$11bo4b2o4bo$7b2o3b4o3b2obo$6bobo8b2obob2o$4b3o5b 5obo15b3o$3bo3bo3bo5bob2ob2obo8b3o$3bo2bo5b4o5b2o10bobo$2obo2bo5bobo3b o2bobo3bo5b2o$o2bob2o3bob2obob2o2bobo3bo$2b2ob2o2b2ob2ob3o3b2o$3bo4bo 7b2ob2ob2obo$3bob2obo7bo$2b2o2bobo6b2obobob2o$4bobobobo3bo2bob2obo$4b 2o3b2o4bobo4bo$16b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p5 U to Wing (click above to open LifeViewer)

p15

20b3o7b2o$20b3o7bo$19bobo6bobo$3b4o12b2o7b2o$2b6o$b8o$2o6b2o$b8o$2b6o $3b4o2$12b2o$13bo$10b3o$10bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p15 U to Wing (click above to open LifeViewer)

multiple periods

b3o$b3o$obo$2o8$3b2o$2b4o$bobo2bo$b2o2bobo$6bobo$8b2o$7b3o$6bobo$6b2o ! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 3+ (click above to open LifeViewer)

2o$bo21b2o3bo$bobo8b3o7bo2bobobo2bo$2b2o8b3o7bob2obob4o$11bobo7b2o4bo $11b2o8bo2bobob5o$22bobobobobo2bo$23bo2bo2bo2b2o$22bobob2o$23b2obo2bo $21bo2bob4o$21b2obobo$22bobo2b3o$22bobo4bo$23bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 6+ (click above to open LifeViewer)

2b3o$2b3o$bobo$b2o2$11b2o6b2o$10bo2bo4bo2bo$9b6o2b6o$10bo2bo4bo2bo$11b 2o6b2o8$3b3o$2bo3bo$bo5bo2$o7bo$o7bo2$bo5bo$2bo3bo$3b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] sparker on the right has to be p15, sparker on the bottom just deletes junk. (click above to open LifeViewer)

U to I-heptomino

single-period

p8

17b2o$6bo2bo2bo3bo2bob2o$6b7o2bob3obo$2o13bo6b3o$bo2b11ob2ob3o2bo$bob o2bo7bobobo2bo7bo12b3o$2ob2o4b3o3b3o2bo9bo11b3o$o2bo5bo3bo3bo2bo10bo9b obo$b2ob2o4bo6b5o2bo5bo10b2o$2bobo5bo3bo3bobobo3b4o$2bobo5bo3bo3bobob o3b4o$b2ob2o4bo6b5o2bo5bo$o2bo5bo3bo3bo2bo10bo$2ob2o4b3o3b3o2bo9bo$bo bo2bo7bobobo2bo7bo$bo2b11ob2ob3o2bo$2o13bo6b3o$6b7o2bob3obo$6bo2bo2bo 3bo2bob2o$17b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p8 U to I (click above to open LifeViewer)

multiple periods

10bo$8b3o$7bo$7b2o2$2bo$bobo$o4b2o$bo5bo$3b2o2bo$4bob2o6$4b2obo$4bo2b 2o$4bo5bo6b3o$5b2o4bo5b3o$8bobo5bobo$9bo6b2o2$3b2o$4bo$b3o$bo6$13b2o$ 14bo$11b3o$11bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 22+ (click above to open LifeViewer)

U to Octomino II

single-period

p7

10b3o$10b3o$9bobo$9b2o15$8b2o4b2o$8bobo2bobo$8bo2b2o2bo$7bo2bo2bo2bo$ 4bo2b3o4b3o2bo$4b3obo2b2o2bob3o$7b2o6b2o$2b4obobo4bobob4o$2bo2bobobo4b obobo2bo$3bo4b2o4b2o4bo$3o18b3o$o2b3ob3o4b3ob3o2bo$2bo2bob2obo2bob2ob o2bo$3bo3b2o2b2o2b2o3bo$3o4b2o6b2o4b3o$o4b2o3b4o3b2o4bo$5b4obo2bob4o$ 10b4o$4bob4ob2ob4obo$2b3obo3b4o3bob3o$bo5b3o4b3o5bo$2bob2obobo4bobob2o bo$3b2o2bo2bo2bo2bo2b2o$6bobo6bobo$3b2obo10bob2o$2bo2bob2o6b2obo2bo$2b 2obo12bob2o$5bo2b2o4b2o2bo$5b2o2bo4bo2b2o$3b2o2b2o6b2o2b2o$4bob2obo4b ob2obo$4bo4bo4bo4bo$b2obo3bo6bo3bob2o$2bobo3bo6bo3bobo$2bobob2o8b2obo bo$3bobobo8bobobo$5bo2bo2b2o2bo2bo$5bobo3b2o3bobo$4b2o4bo2bo4b2o$3bo3b ob2o2b2obo3bo$3b3obob2o2b2obob3o$6b2o8b2o$3b2o14b2o$3bo4bo6bo4bo$bobo 3bo8bo3bobo$b2o4bob2o2b2obo4b2o$9b2o2b2o$9b2o2b2o$4b2o12b2o$4bo3b2o4b 2o3bo$5b3ob2o2b2ob3o$2b3o5b4o5b3o$bo2bob4o4b4obo2bo$b2obobo4b2o4bobob 2o$4bo4bob2obo4bo$4bobo10bobo$b2obo4b2o2b2o4bob2o$b2obobob2o4b2obobob 2o$4bob2o2bo2bo2b2obo$4b2o3bob2obo3b2o$5bo12bo$2b3o2bo8bo2b3o$2bo2b2o 10b2o2bo$3b2o4b2o2b2o4b2o$5b2ob3o2b3ob2o$5bo4bo2bo4bo$6b4ob2ob4o$3b3o 12b3o$3bo2b2obo4bob2o2bo$6bobo2b2o2bobo$7b3o4b3o$10b4o$5b4o2b2o2b4o$4b o5b4o5bo$4b2o3bo4bo3b2o2$8bo6bo$8b2o4b2o$8b3o2b3o4$6b2ob2o2b2ob2o$6bo 3bo2bo3bo$4bobobo6bobobo$3bobobob2o2b2obobobo$4bo2bo8bo2bo$5b2ob3o2b3o b2o$6bo4b2o4bo$5bo2bob4obo2bo$5b2obobo2bobob2o$8bobo2bobo$3b4obob4obo b4o$3bo2bob8obo2bo2$8bobo2bobo$8b8o2$8b8o$8bobo2bobo2$3bo2bob8obo2bo$ 3b4obob4obob4o$8bobo2bobo$5b2obobo2bobob2o$5bo2bob4obo2bo$6bo4b2o4bo$ 5b2ob3o2b3ob2o$7bo8bo$7bob2o2b2obo$8bo6bo$10bo2bo$8bob4obo$7bobo4bobo $7bo2bo2bo2bo$8b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p7 U to Octomino II* (click above to open LifeViewer)

multiple periods

b3o$b3o$obo$2o10$8b2o$8bob2o$9bo2bo$4bo4bo2bo$3bobo3bo2bo$4b2o3b3o2$4b 2o3b3o$3bobo3bo2bo$4bo4bo2bo$9bo2bo$8bob2o$8b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] works with periods 5+ (click above to open LifeViewer)

U to Stairstep hexomino

multiple periods

14b2o$13bo$2o10bo2b2o10b2o$2o10bo2bo11b2o$12bobo$13b2o2$13b2o9b2o$12b obo7b2o3bo10b3o$2o10bo2bo6bo4bo10b3o$2o10bo2b2o5b2o3bo9bobo$13bo10b2o 11b2o$14b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

works with periods 12+ (click above to open LifeViewer)

U to two-glider octomino

multiple periods

23b3o$2b2o6b2o11b3o$bo2bo4bo2bo9bobo$6o2b6o8b2o$bo2bo4bo2bo$2b2o6b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

works with periods 13,26, and whatever can suppress a blinker (click above to open LifeViewer)

U to Blonk-tie

multiple periods

b3o$b3o$obo$2o4$9bo4bo$7b2ob4ob2o$9bo4bo2$3bo$3bo$2b3o3$2b3o$3bo$3bo$ 3bo$3bo$2b3o3$2b3o$3bo$3bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

works with periods 7+ (click above to open LifeViewer)

5b2obobo$5bob2ob3o$9bo3bobo$6b2ob5ob3o$5bobobo2bo5bo$5bo5bobo3bo$3b2o 2bob4ob2obo$2bobob2ob5o$2bobo10bo$b2ob5obo3b2o12b3o$o2b2o2b2o2bo2bobo 11b3o$2o9b3ob2o10bobo7bo$9bo3bo2bo10b2o6bo3b4o$9bo3bo2bo18bo3bo$2o9b3o b2o18bo$o2b2o2b2o2bo2bobo21bo$b2ob5obo3b2o20b2o$2bobo10bo$2bobob2ob5o $3b2o2bob4ob2obo$5bo5bobo3bo$5bobobo2bo5bo$6b2ob5ob3o$9bo3bobo$5bob2o b3o$5b2obobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

works with periods 3n+ (click above to open LifeViewer)

x = 33, y = 10, rule = B3/S23 2bo$bobo$o3bo13b3o$bo3bo12b3o$2bo3bo10bobo7bo$3bo3bo9b2o6bo3b4o$4bobo 18bo3bo$5bo19bo$28bo$26b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

p24 version (click above to open LifeViewer)

U to E-heptomino

single-period

17b2o$6bo2bo2bo3bo2bob2o$6b7o2bob3obo$2o13bo6b3o$bo2b11obob4o2bo$bobo 4bo5bobo4bo$2o2bo4b3o3b2o2bo8b3o$o2bo2bo3bobo4bo2bo5b5o$b2ob2o5b3o3b3o 4b7o$2bobo6b3o6bob3o16b3o$2bobo6b3o6bob3o16b3o$b2ob2o5b3o3b3o4b7o9bob o$o2bo2bo3bobo4bo2bo5b5o9b2o6bo$2o2bo4b3o3b2o2bo8b3o16bobo$bobo4bo5bo bo4bo26bo$bo2b11obob4o2bo$2o13bo6b3o$6b7o2bob3obo7bo$6bo2bo2bo3bo2bob 2o6b3o$17b2o13bo$31b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

p8 U to E (click above to open LifeViewer)

U-Turner as output

R to U

7b2o$8b2o$8bo2$6bo$4bo3bo2$3bo5bo$b3ob3ob3o$o3b2ob2o3bo$ob3obob4o$bo$ 3bobobob2obo$2b2ob3obob2o$3bobo2bo$3bo2b2o$2b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

p5 R to U (click above to open LifeViewer)

H to U

18b2o2bobo$17b3obo3bo12b2o$3o13b2o6bo13b2o$bo15bob5o$b3o14b3o2$18b3o$ 17bob5o$11b2o3b2o6bo13b2o$11b2o4b3obo3bo12b2o$18b2o2bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p46 H to U (click above to open LifeViewer)

2b2o6b2o$bo2bo4bo2bo$6o2b6o$bo2bo4bo2bo$2b2o6b2o$19b2o$16b2o2bo$15b2o b2o$9bo5b2o$8bo6b2o$10bo4b2ob2o$7bo3bo4b2o2bo$7b3o9b2o9$6bo$4bobo$4b3o $4bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p30 version (click above to open LifeViewer)

14b6o$13bo6bo$12bo8bo$13bo6bo$14b6o10$3o7b2o$bo8bobo$b3o8bo$12b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p15 H to U (click above to open LifeViewer)

15bo$14bobo$14bobo2bo$13b2obobobo$12bo2bobobobo$11b3obobo3bo$11bo5bob obobo$10b3obo4b2obobo$9b2o3bo7bobo$9b3o3bo2b3obob2o$9b2o3bo7bobo$10b3o bo4b2obobo$11bo5bobobobo$11b3obobo3bo$12bo2bobobobo$13b2obobobo$14bob o2bo$14bobo$15bo5$3o7b2o$bo8bobo$b3o8bo$12b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p6 version (click above to open LifeViewer)

13b2o2b2o$12bo2bo2bo$12bob2obo8bo$11b2o2bob4o3b3o$10bo2bobo5bobo$9b3o b5obobobo2b3o$9b2o6bo3bobobo3bo$9b3o3bo4bo3b2o3bo$10b2o3bob2o5bobobo$ 13b2obo2b6obo$13bo2b3o6bo2bo$14b2o3bo2b2obob2o$15bo2bo3bo2bo$15bobo6b 2o$16bo6$3o7b2o$bo8bobo$b3o8bo$12b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] p4 version (click above to open LifeViewer)

Miscellaneous conduits/converters

10b2o$10bo$8b3o3$b2o$2bo$bo$b2o$3bo$b3o13bo$o15b2o$2o8b2o3b2o$10b2o4b o$17bo3$4bo$3bobo$4bo6$8bo4bo$7bobo2bobo$6bo3b2o3bo$10b2o$10b2o$10b2o 2$4b2o3bo2bo3b2o$4bo12bo$2bobo5b2o5bobo$2b2ob2o2bo2bo2b2ob2o$5bob8obo $2b2obo3bo2bo3bob2o$bobo2bo2b4o2bo2bobo$bobobob3o2b3obobobo$2bo2b3o6b 3o2bo$3b2o2bo6bo2b2o$5b2o3b2o3b2o$5bo2bo4bo2bo$2b2obo10bob2o$3bobobo6b obobo$3bobobob4obobobo$2b2obob2o4b2obob2o$3bobo10bobo$3bobo10bobo$2b2o b2o8b2ob2o$5bo3bo2bo3bo$5bobob4obobo$6b3o4b3o$9b4o$4b4obo2bob4o$4bo2b 2o4b2o2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

p8 BL98H (click above to open LifeViewer)

27b3o$14bo12b3o$10b2obobo10bobo$10b2obobo10b2o$3b2o8bob2o$4bo5b4o3bo$ 3bo5bo4bob2o$3b2o4b2ob2o3bo$b2o3bo2b2o4b2o$o2bob2o2b3obobo$bobo2bobo2b o3bo$2o2bobob4ob2o$2bob2obo4bo$2bo4bob2obo$b2o4b2ob2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

p7 U-turner to R-turner (click above to open LifeViewer)

14bob2o$14b2obo$2o15bob2o8bo$2obo6b2o5bo2bo3b2o2bobo$4bo5bobob2ob2o5b o3bobo$bo10bobobo2b4obo2b2o2b2o7b3o$2bob2o5b2o3bobo3bobobo2bobo8b3o$4b 2o3b2obo5bob2o2bob2obobo7bobo$9bobo3b2obo2b2obobo2bob2o6b2o$10bo2bo6b obo2b3o5bo$11b9o4bo3b2o3bo$33bo$11b9o4bo3b2o3bo$10bo2bo6bobo2b3o5bo$9b obo3b2obo2b2obobo2bob2o$4b2o3b2obo5bob2o2bob2obobo$2bob2o5b2o3bobo3bo bobo2bobo$bo10bobobo2b4obo2b2o2b2o$4bo5bobob2ob2o5bo3bobo7bobo$2obo6b 2o5bo2bo3b2o2bobo6bob2o$2o15bob2o8bo7bo$14b2obo18b2o$14bob2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

p8 U to H' (click above to open LifeViewer)

Predecessors

Like all patterns in Conway's game of life (except for Garden of Edens), the U-turner has many predecessors. obviously, not all of them can be listed, so here are some of the more useful or noteable ones.

Still life+methuselah reactions that make U-turners

Reactions are grouped by the still life involved

Block

7bo$6b2o$2o3b2o$2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] B and block (click above to open LifeViewer)

5b2ob2o$2o3bo2bo$2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] traffic light predecessor and block (click above to open LifeViewer)

Beehive

2o2bo$b3o$2bo$6bo$5bobo$5bobo$6bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] B and beehive (click above to open LifeViewer)

Boat

2obo$b3o$2bo3$bo$obo$b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] B and boat (click above to open LifeViewer)

2bo$3o$obo$o2$3bo$2bobo$2b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] H and boat (click above to open LifeViewer)

Blinker and blinker constellations

4bo$4bo$4bo8$3o$2bo$3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] Pi and blinker (click above to open LifeViewer)

4b2o$3bo2bo$3bo2bo$4b3o5$3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] teardrop and blinker (click above to open LifeViewer)

b2o$o2bo$b3o2$5bo$5bo$5bo2$b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] R-bee and half of a traffic light (click above to open LifeViewer)

Other predecessors

The U-turner has one six-cell predecessor:

x = 3, y = 6, rule = B3/S23 2bo$2o2$o$o$o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 10 THUMBSIZE 2 ]]

(click above to open LifeViewer) RLE: here Plaintext: here

It has a 33-generation predecessor with 8 cells:

x = 5, y = 4, rule = B3/S23 2b2o$bo2bo$o2bo$o2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 10 THUMBSIZE 2 STOP 33 ]]

(click above to open LifeViewer) RLE: here Plaintext: here

Sometimes, a block will become a U-turner when it eats something but doesn't recover

4bobo$2obo2bo$2o2bo$6bo$6bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 4 THUMBSIZE 2 STOP 4 ]]

(click above to open LifeViewer)

The block can be restored with another block and a boat

6b2o$5bobo$6bo3$2o6bobo$2o2b2obo2bo$4b2o2bo$10bo$10bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 10 THUMBSIZE 2 ]]

(click above to open LifeViewer)

Interesting U-turner+still life interactions

9b3o$9b3o$2o6bobo$2o6b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 10 THUMBSIZE 2 ]]

block moves U-turner at speed of 4c/29 (click above to open LifeViewer)

b3o25b3o$b3o25b3o$obo25bobo$2o26b2o6$34bo$8b2o23bobo$7bo2bo22bo2bo$8b 2o24b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 30 THUMBSIZE 2 ]]

left: beehive moves U-turner. right: a U-turner can crawl on loafs (click above to open LifeViewer)

8b2o$7bobo11b2o$6bobo11bobo11b2o$7bo11bobo11bobo11b2o$20bo11bobo11bob o$2bo30bo11bobo$bobo42bo$o$o2bo$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 30 THUMBSIZE 2 ]]

a (13,1)c/101 reaction (click above to open LifeViewer)

Hasslers and Shuttles

Found by David Raucci:

x = 74, y = 74, rule = B3/S23 38b2obo2bob2o$31b2o4bo2bo4bo2bo4b2o$31b2o5bobo4bobo5b2o$39bo6bo6$39bo 6bo$31b2o5bobo4bobo5b2o$31b2o4bo2bo4bo2bo4b2o$38b2obo2bob2o7$b2o7b2o$b 2o7b2o4$27b2o$bo9bo14bo2bo$obo7bobo14bo2bo17bo$o2bo5bo2bo14bo2bo15b2ob o$b2o7b2o16b3o14bo3bo$o11bo32bo2bo$45b3o$62b2o7b2o$o11bo49b2o7b2o$b2o 7b2o$o2bo5bo2bo$obo7bobo$bo9bo$62bo9bo$61bobo7bobo$61bo2bo5bo2bo$62b2o 7b2o$b2o7b2o49bo11bo$b2o7b2o$26b3o$25bo2bo32bo11bo$24bo3bo14b3o16b2o7b 2o$24bob2o15bo2bo14bo2bo5bo2bo$25bo17bo2bo14bobo7bobo$44bo2bo14bo9bo$ 45b2o4$62b2o7b2o$62b2o7b2o7$26b2obo2bob2o$19b2o4bo2bo4bo2bo4b2o$19b2o 5bobo4bobo5b2o$27bo6bo6$27bo6bo$19b2o5bobo4bobo5b2o$19b2o4bo2bo4bo2bo 4b2o$26b2obo2bob2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

Raucci's p217 (click above to open LifeViewer) RLE: here Plaintext: here

Found by C28:

x = 50, y = 50, rule = B3/S23 15b2o$11b2obobo$12bobo19bo$12bo2bo16b3o$11b2obobob2ob2o8bo$10bo3b2o3b obo4b2o4bo$11b3o5bobo4b2o5bo$14b5obo8b3obo$11b2obo2bo9bobob2o$10bobob 2o2b5o4bob2o$10bo3bo3bo4bo15b2o3bo$11b3ob2obob3o6bo8bo2bobobo2bo$13bo 6bo7b3o7bob2obob4o$37b2obo2bo$14bo4bo17bo4bob2ob2o$2b2o12b2o19b2o3bob obo2bo$3bo2b2o22bo6b2obobo2bo2b2o$3bobo2bo20bobo5b2obobo$4bob2obo21bo 5b2obobo2bo$6bo2b4o12b2o2bo7bo2bo2b3o$7bob5o11b3o9b2obobo$6bo3b3o13b2o 10bobo2b3o$5b3o30bobo4bo$5b3o21b3o7bo$29b3o$28bobo12bo$10bo17b2o13bo$ 4bo4bobo29bobo$4b3o2bobo25bo2b2obo$7bobob2o22b3o2b2o$4b3o2bo2bo24bo$4b o2bobob2o28b2o2bo$7bobob2o28bo2bobo$2o2bo2bobob2o29b2o2bo$o2bobobo3b2o 19b2o12b2o$b2ob2obo4bo17bo4bo$6bo2bob2o6b3o$b4obob2obo17bo6bo$bo2bobo bo2bo6bo3bo4b3obob2ob3o$5bo3b2o15bo4bo3bo3bo$18bo2bo5b5o2b2obobo$17bo 2b2o10bo2bob2o$16bobobo2bo5bob5o$16bob3o3bo3bobo5b3o$17bobobobo4bobo3b 2o3bo$18bo8b2ob2obobob2o$15b3o16bo2bo$15bo19bobo$33bobob2o$33b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

387P132 (click above to open LifeViewer) RLE: here Plaintext: here

Found by w33z8kqrqk8zzzw33

14b4o$9b2o7bo$9b2o2b2o3bo$13b2o2bo3$8b3o7b4o$8b3o3b2obo4bo$7bobo3bo3bo 4bo$7b2o4bo4b2o$2b2o9bo2bo4b2o$bobo9bo2bo3bo2bo$bo12b2o4bo2bo$2o15b2o 4bo$14bo4bo3bo$14bo4bob2o$15b4o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

p16 U-turner hassler (click above to open LifeViewer)

Partials

b2o15b2o$b3o13b3o$4o3b2o3b2o3b4o$b3o2bo2bobo2bo2b3o$b2o2bo3bobo3bo2b2o $5bo3bobo3bo$6b3o3b3o3$6b3o3b3o$5bo3bobo3bo$b2o2bo3bobo3bo2b2o$b3o2bo 2bobo2bo2b3o$4o3b2o3b2o3b4o$b3o13b3o$b2o15b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 STOP 20 ]]

p20 (click above to open LifeViewer)

x = 100, y = 23, rule = B3/S23 42b2o2$44b2o$42bob2o$41b2o$43b2obo$44bo$43b3o49b2o2bo$13b3o22b2o4bo$13b 3o23b4ob2o51b2o$12bobo25b2o2bo8bo40b2obobo$2b2o8b2o26b4o8b4o29bo10bo$ bobo38bo8bo2b2o26bobob2o$3o47b2ob4o26b2o$3o48bo4b2o$50b3o29bo2b2o$51b o$49bob2o$53b2o$50b2obo$50b2o2$52b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

p39 (click above to open LifeViewer)

2o$o2bo$3b2o$2o3bo$bo2b2o$2b3o2bo$3bo3bo2$6b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 STOP 48 ]]

p48 (click above to open LifeViewer)

3b2o$3b2o$2bo2bo3bo3bo$2bo2bo2bo2bobo$obo2bo2bo2bo$o3bo3bo2bo$9b2o$9b 2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 STOP 49 ]]

p49. the domino spark can't be delivered at p7. (click above to open LifeViewer)

17b2o4b2o$17bobo2bobo$19b4o$17bo2b2o2bo$17bo2b2o2bo$19bo2bo3$21b2o$20b o2bo$19bo2bo$19bo2bo$19b3o12bo2bob2obo2bo$34b4ob2ob4o$o2bob2obo2bo22b o2bob2obo2bo$4ob2ob4o$o2bob2obo2bo7$23bo2bo$21bo2b2o2bo$21bo2b2o2bo$23b 4o$21bobo2bobo$21b2o4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

p60. junk needs to be deleted. (click above to open LifeViewer)

b2o4b2ob2o$2bo4bob2obo$2bob2obo4bo$2o2bobob4ob2o$bobo2bobo4bobo$o2b4ob o2b2o2bo$b2o3bobo4bob2o$3b2o3bo2bob2o2bo6bo$3bo5bo4bob3o$4bo5b4o3bo4b 2o$3b2o8bob2o4bo2bo$10b2obobo5bo2bo21b2ob2o4b2o$10b2obobo4bo3bo20bob2o bo4bo$14bo5bo2bo2b2o2b2o3b2o8bo4bob2obo$21b2o3b2o2b2o2bo2bo5b2ob4obobo 2b2o$33bo3bo4bobo4bobo2bobo$33bo2bo5bo2b2o2bob4o2bo$33bo2bo4b2obo4bobo 3b2o$34b2o4bo2b2obo2bo3b2o$39b3obo4bo5bo$33bo6bo3b4o5bo$41b2obo8b2o$ 42bobob2o$42bobob2o$43bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 STOP 77 ]]

p77 (click above to open LifeViewer)

bo2bo$ob2obo$bo2bo$bo2bo$ob2obo13b2o$bo2bo14b2o6$3bo$2bobo$2b2o3$13b3o $13b3o$2b2o8bobo$2bobo7b2o$3bo6$bo2bo14b2o$ob2obo13b2o$bo2bo$bo2bo$ob 2obo$bo2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 STOP 95 ]]

p190. junk needs to be deleted before it can destroy the block. (click above to open LifeViewer)

Transparent reactions

for U-turner+still life interactions where the still life in question shows a transparent debris effect.

Transparent blocks

6b3o$6b3o$5bobo$5b2o7$6b2o$6b2o$2b2o$3bo$3o$o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 STOP 26 ]] Transparent block 1 (click above to open LifeViewer)

9b2o2$10bo2b2o$11b3o$12bo2$19bo$18bobo$2o17bo$2o5$16b2o$12bo3b2o$11bo bo$10bobo$10bo$9b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 STOP 154 ]] Transparent block 2 (click above to open LifeViewer)

Transparent beehives

9bo$8bobo$8bobo$9bo8$b3o$b3o$obo$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 STOP 122 ]] Transparent beehive 1 (click above to open LifeViewer)

15bo$14bobo$14bobo$13b2ob3o$19bo$13b2ob3o$5b2o6b2obo$4bo2bo$5b2o10$b3o $b3o$obo$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 STOP 118 ]] Transparent beehive 2 (click above to open LifeViewer)

Behavior in other rules

in B2n34ez5ek/S23-ceky6en, the U-turner is a p236 oscillator

x = 4, y = 4, rule = B2n34ez5ek/S23-ceky6en b3o$b3o$obo$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

(click above to open LifeViewer)

from B/S2e3an4an5ij6c through to B1e2-ae3-aij456-n78/S012345678, the U-turner is a still-life

x = 4, y = 4, rule = B3-aij/S234an5ij6c b3o$b3o$obo$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

(click above to open LifeViewer)

in B36ack7e8/S23, the U-turner is a (31,4)c/389 puffer

x = 4, y = 4, rule = B36ack7e8/S23 b3o$b3o$obo$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

(click above to open LifeViewer)

Images

U-turner at generation 163

If the tub made at generation 79 is removed, this will be the ash left over

Miscellaneous

herschel+glider to U-turner+glider

bo$2bo$3o3$13b3o$15bo$14b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 15 THUMBSIZE 2 STOP 47 ]]

the reaction in question (click above to open LifeViewer)

the ash of a U-turner+glider collision has an xs15_6t1egoz11

bo$2bo$3o26$35b3o$35b3o$34bobo$34b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

(click above to open LifeViewer)

almost r-turner to U-turner

20bo$19bobo$20bo2$18b5o$18bo4bo$21bo2bo$21b2obo2bo$18bo5bobobo$17bobo 4bo2bo$17bo2bo2b2o$5b2o11b2o$4bo$5bo2bo$6b3o5$2b2o$bobo$bo$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

is there a replacement for the eater 1? (click above to open LifeViewer)

growing spaceship that uses the block-moving-U-turner reaction

14b3o$14b3o$5b2o6bobo$5b2o6b2o3$25b2o$25b2o3$5b2o$5b2o3$25b2o$25b2o2$ 9b2o$5b2o4bo$6bo2b2o3bobo$4bo8bo$13bo3bo11b2o$13bo11b2o4bo$13bo2bo9bo 2b2o3bobo$13b3o8bo8bo$33bo3bo$6b3o24bo$33bo2bo$8bo24b3o$obo4b2o$3bo2b 3o17b3o$3bo2b3o$o2bo2b2obo18bo$b3o3b3o10bobo4b2o$8bo14bo2b3o$23bo2b3o $20bo2bo2b2obo$21b3o3b3o$28bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

growing and growing... (click above to open LifeViewer)

a way to delete the tub left at generation 79

10b3o$10b3o$9bobo$9b2o13$3b2o$3bo3b2o$2obo2bobo$obob3obobob2o$3bo3b2o b2obo$4b2o3bo$6b2obo$6bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

weird catalyst (click above to open LifeViewer)

glider+U-turner makes 2 gliders

29b3o$29b3o$28bobo$28b2o32$2o$b2o$o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

(click above to open LifeViewer)

2 U-turners "push" each other

b3o$b3o$obo$2o8$3b2o$2bobo$b3o$b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] (click above to open LifeViewer)

b3o$b3o$obo$2o15$2b2o$bobo$3o$3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]] different reaction (click above to open LifeViewer)

almost B to H with U intermediate

10b2o$10bo$8b3o3$b2o$2bo$bo$b2o$3bo$b3o13bo$o15b2o$2o8b2o3b2o$10b2o4b 2o11$15b2o$14bo2bo$15bobo$16bo2$26b3o$26bo$27bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

an eater 1 works just fine in place of the glider except for the fact that it gets in the way of the B (click above to open LifeViewer)

tempoary R-bee on shillelagh is formed at generation 72

8b3o$8b3o$7bobo$7b2o10$b2o3bo$bo3bobo$2bo3b2o5b2o$3bo9bo$bob5o6b3o$ob o4bo8bo$obo2bo$bo3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 30 THUMBSIZE 2 STOP 72 ]]

(click above to open LifeViewer)

something

x = 14, y = 16, rule = B3/S23 b3o$b3o$obo$2o6$7b2obo$7b2ob3o$13bo$7b2ob3o$8bobo$8bobo$9bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

(click above to open LifeViewer)

odd placement of an aircraft carrier

12b3o$12b3o$11bobo$11b2o6$8b3o$5bobo3bobo$3bobo7bobo$b3ob2o5b2ob3o$o3b obobobobobo3bo$b3o5bo5b3o$4b4o3b4o$3bo3b5o3bo$2bobobo2bo2bobobo$3bo3b 2ob2o3bo$4b3o2bo2b3o$7b5o$6bo5bo$7b5o$9bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 60 THUMBSIZE 2 ]]

(click above to open LifeViewer)