A pre-pulsar shuttle is a shuttle that hassles a predecessor of the pulsar . Small pre-pulsar shuttles are currently known for periods 22, 25, 26, 28, 29, 30, 32, 36, 40, 42, 47, 58, 60, 64, 88, and 90.
Shuttles of various periods are shown below, along with the number of steps and displacement for each reaction.
x = 24, y = 19, rule = B3/S23
b2o18b2o$o2bo2b2o8b2o2bo2bo$b2o2bobo8bobo2b2o$3b2o14b2o$3bo16bo$2obo8b
3o5bob2o$o2bob2o5bobob3obo2bo$2b2ob2o5b3ob3ob2o4$2b2ob2o5b3ob3ob2o$o2b
ob2o5bobob3obo2bo$2obo8b3o5bob2o$3bo16bo$3b2o14b2o$b2o2bobo8bobo2b2o$o
2bo2b2o8b2o2bo2bo$b2o18b2o!
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p22, left: (11,3), right: (11,3)(click above to open LifeViewer ) RLE : here Plaintext : here
x = 21, y = 22, rule = B3/S23
18bo$b2o13b3o$o2bo2b2o7bo$b2o2bobo7b2o$3b2o$3bo$2obo8b3o$o2bob2o5bobo
3b2o$2b2ob2o5b3o3b2o4$2b2ob2o5b3o$o2bob2o5bobo$2obo8b3o$3bo13b2o$3b2o
12bobo$b2o2bobo11bo$o2bo2b2o2b2o7b2o$b2o8bo$5bob4o$5b2obo!
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p25, left: (14,3), right: (11,3)(click above to open LifeViewer ) RLE : here Plaintext : here
x = 39, y = 39, rule = B3/S23
12b2o11b2o$12b2o3bo3bo3b2o$17bo3bo$17bo3bo$11bo15bo$10bobo13bobo$11bo
3b3o3b3o3bo$15bobo3bobo$15b3o3b3o2$5bo27bo$4bobo25bobo$2o3bo27bo3b2o$
2o35b2o$16b2o3b2o$6b3o8bo3bo8b3o$6bobo5bo9bo5bobo$b3o2b3o5b2o7b2o5b3o
2b3o4$b3o2b3o5b2o7b2o5b3o2b3o$6bobo5bo9bo5bobo$6b3o8bo3bo8b3o$16b2o3b
2o$2o35b2o$2o3bo27bo3b2o$4bobo25bobo$5bo27bo2$15b3o3b3o$15bobo3bobo$
11bo3b3o3b3o3bo$10bobo13bobo$11bo15bo$17bo3bo$17bo3bo$12b2o3bo3bo3b2o$
12b2o11b2o!
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p26, edge: (14,3), centre: (12,3) (p26 pre-pulsar shuttle )(click above to open LifeViewer ) RLE : here Plaintext : here
x = 16, y = 22, rule = B3/S23
bo12bo$b3o8b3o$4bo6bo$3b2o6b2o3$8b3o$2o6bobo3b2o$2o6b3o3b2o4$8b3o$8bob
o$8b3o2$2bobo8bo$bo9b2obo$2bo2bo4bo$2bobobo2bobo2bo$3bo2bo2bo2bo$4b2o
4b2o!
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p28, left: (14,3), right: (14,3) (p28 pre-pulsar shuttle )(click above to open LifeViewer ) RLE : here Plaintext : here
x = 18, y = 27, rule = B3/S23
11b2o$11bo$13bo$9b5o$9bo$12b4o$12bo2bo2$bo$obo6b3o4bo$bo7bobo3bobo$9b
3o3bobo$16bo2$16bo$9b3o3bobo$bo7bobo3bobo$obo6b3o4bo$bo2$12bo2bo$12b4o
$9bo$9b5o$13bo$11bo$11b2o!
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p29, left: (15,3), right: (14,3) (p29 pre-pulsar shuttle )(click above to open LifeViewer ) RLE : here Plaintext : here
x = 18, y = 11, rule = B3/S23
bo14bo$obo6b3o3bobo$bo7bobo4bo$9b3o4$9b3o$bo7bobo4bo$obo6b3o3bobo$bo
14bo!
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p30, left: (15,3), right: (15,3) (Eureka )(click above to open LifeViewer ) RLE : here Plaintext : here
x = 26, y = 33, rule = B3/S23
5bo14bo$4b2o14b2o$3bob2o12b2obo$2b3o2bo10bo2b3o$4bobobo8bobobo$5bobobo
6bobobo$6bo2b3o2b3o2bo$7b2obo4bob2o$3b2o3b2o6b2o3b2o$2b3o3bo8bo3b3o$bo
b2o16b2obo$obo20bobo$o2bo10b3o5bo2bo$b2o11bobo6b2o$14b3o4$14b3o$b2o11b
obo6b2o$o2bo10b3o5bo2bo$obo20bobo$bob2o16b2obo$2b3o3bo8bo3b3o$3b2o3b2o
6b2o3b2o$7b2obo4bob2o$6bo2b3o2b3o2bo$5bobobo6bobobo$4bobobo8bobobo$2b
3o2bo10bo2b3o$3bob2o12b2obo$4b2o14b2o$5bo14bo!
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p32, left: (16,5), right: (16,5)(click above to open LifeViewer ) RLE : here Plaintext : here
x = 36, y = 75, rule = B3/S23
11b2o$12bo$10bo$10b2o4b2ob2o$13b2o2bobo$9bob2ob2o3bo$9b2obob3o2bob2o$
17bobo2bo$15b2obob2o$10b2o3b2o3bo$11bo3b3o2bo2b2o$10bo7bob2o2bo$10b2o
5b2o3b2o$13bobo4b2o$8b7ob4obo$8bo9bobo$9b3obo4bobobobo$11bobo2bobo2bob
2o$14b3ob2obo$13bo5bobo$13b3obobob2o$2o11bo6bo2bo$obo12b4o3b2o$2b3o9bo
b6o$bo3bo9bo6b2o$b3o2bo2bo4b2o5bo2bo$6bob2o10bobobo2b2obo$b3o2bo2bo4b
2o5bo2bobo2b2o2bo$bo3bo8bob4o4bob2o3b3o$2b3o10b4o6bo2b3o$obo13bob2obo
3bobo4b2o$2o23bobo2b2obo$21bo5b3o4b2o$13b3o5b2o2b2o2b2o4bo$b2o10bobo
11bo2bob3o$bo2bo8b3o13bo2bo$2b3o25b2o2$2b3o25b2o$bo2bo8b3o13bo2bo$b2o
10bobo11bo2bob3o$13b3o5b2o2b2o2b2o4bo$21bo5b3o4b2o$2o23bobo2b2obo$obo
13bob2obo3bobo4b2o$2b3o10b4o6bo2b3o$bo3bo8bob4o4bob2o3b3o$b3o2bo2bo4b
2o5bo2bobo2b2o2bo$6bob2o10bobobo2b2obo$b3o2bo2bo4b2o5bo2bo$bo3bo9bo6b
2o$2b3o9bob6o$obo12b4o3b2o$2o11bo6bo2bo$13b3obobob2o$13bo5bobo$14b3ob
2obo$11bobo2bobo2bob2o$9b3obo4bobobobo$8bo9bobo$8b7ob4obo$13bobo4b2o$
10b2o5b2o3b2o$10bo7bob2o2bo$11bo3b3o2bo2b2o$10b2o3b2o3bo$15b2obob2o$
17bobo2bo$9b2obob3o2bob2o$9bob2ob2o3bo$13b2o2bobo$10b2o4b2ob2o$10bo$
12bo$11b2o!
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p36, left: (20,5), right: (16,5)(click above to open LifeViewer ) RLE : here Plaintext : here
x = 22, y = 35, rule = B3/S23
2b3o$bo16b2o$bo3bo10bob2o$bo2bobo8bo$3bobo2bo9bo$4bo3bo5b2obo$8bo5b2o$
5b3o6$12b3o$2o10bobo5b2o$o2bo8b3o3bo2bo$b3o14b3o2$b3o14b3o$o2bo8b3o3bo
2bo$2o10bobo5b2o$12b3o6$5b3o$8bo5b2o$4bo3bo5b2obo$3bobo2bo9bo$bo2bobo
8bo$bo3bo10bob2o$bo16b2o$2b3o!
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p40, left: (20,5), right: (20,5)(click above to open LifeViewer ) RLE : here Plaintext : here
x = 36, y = 31, rule = B3/S23
3bob3o20b3obo$2bobo7b2o8b2o7bobo$3bo7bo12bo7bo$o4bo8bo6bo8bo4bo$5o5bo
3bo6bo3bo5b5o$5bob4o3bo6bo3b4obo$2bo9bo10bo9bo$2b2o13b2o13b2o$17b2o2$
14bo6bo$13bo8bo$2b2o9bo8bo9b2o$2bo2bo7bo8bo7bo2bo$3b3o8bo6bo8b3o2$3b3o
8bo6bo8b3o$2bo2bo7bo8bo7bo2bo$2b2o9bo8bo9b2o$13bo8bo$14bo6bo2$17b2o$2b
2o13b2o13b2o$2bo9bo10bo9bo$5bob4o3bo6bo3b4obo$5o5bo3bo6bo3bo5b5o$o4bo
8bo6bo8bo4bo$3bo7bo12bo7bo$2bobo7b2o8b2o7bobo$3bob3o20b3obo!
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p42, edge: (20,5), centre: (22,5)(click above to open LifeViewer ) RLE : here Plaintext : here
x = 30, y = 31, rule = B3/S23
12bo4bo$10b3o4b3o$9bo10bo$9b2o8b2o2$7bo14bo$7bo14bo$7bo6b2o6bo$14b2o2$
bo26bo$obo3b3o12b3o3bobo$bo4bobo12bobo4bo$6b3o12b3o4$6b3o12b3o$bo4bobo
12bobo4bo$obo3b3o12b3o3bobo$bo26bo2$14b2o$7bo6b2o6bo$7bo14bo$7bo14bo2$
9b2o8b2o$9bo10bo$10b3o4b3o$12bo4bo!
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p47, edge: (25,5), centre: (22,5) (p47 pre-pulsar shuttle )(click above to open LifeViewer ) RLE : here Plaintext : here
x = 27, y = 25, rule = B3/S23
10b2o3b2o$10bo5bo$2o2b2ob2obo5bob2ob2o2b2o$o2bobobobo7bobobobo2bo$bobo
3bo11bo3bobo$2ob2o2b2o9b2o2b2ob2o3$15b3o$15bobo$15b3o4$15b3o$15bobo$
15b3o3$2ob2o2b2o9b2o2b2ob2o$bobo3bo11bo3bobo$o2bobobobo7bobobobo2bo$2o
2b2ob2obo5bob2ob2o2b2o$10bo5bo$10b2o3b2o!
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p58, left: (29,6), right: (29,6) (p58 pre-pulsar shuttle )(click above to open LifeViewer ) RLE : here Plaintext : here
x = 21, y = 29, rule = B3/S23
4bo11bo$4bo11bo$4bo11bo$3b2o11b2o$bo17bo$o4bo9bo4bo$o19bo$2b3o11b3o3$
12b3o$12bobo$12b3o4$12b3o$12bobo$12b3o3$2b3o11b3o$o19bo$o4bo9bo4bo$bo
17bo$3b2o11b2o$4bo11bo$4bo11bo$4bo11bo!
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p60, left: (30,6), right: (30,6)(click above to open LifeViewer ) RLE : here Plaintext : here
x = 33, y = 51, rule = B3/S23
17b2o$17b2o2$26b3o$26b3o$24bo4b4o$23b6ob3o$23bo3b2o$23bob2o$24b2o2$19b
2o$9b2o7b2obo$10bo5b2o3bo$10bob3ob6o$2o2b2ob2obob4o4bo$o2bobobobo6b3o$
bobo3bo8b3o$2ob2o2b2o$26b2o$26b2o$15b3o$15bobo$15b3o4$15b3o$15bobo$15b
3o$26b2o$26b2o$2ob2o2b2o$bobo3bo8b3o$o2bobobobo6b3o$2o2b2ob2obob4o4bo$
10bob3ob6o$10bo5b2o3bo$9b2o7b2obo$19b2o2$24b2o$23bob2o$23bo3b2o$23b6ob
3o$24bo4b4o$26b3o$26b3o2$17b2o$17b2o!
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p64, left: (29,5), right: (35,5)(click above to open LifeViewer ) RLE : here Plaintext : here
x = 30, y = 63, rule = B3/S23
15bo3b2o$14bobo2bo$14bobo3bo$12b2obob3obo$13bo3bo3bo$13bob2ob3ob2o$12b
2ob2obo3bo$11bo2bob4o2bo$12bobo4b2ob2o$13bobo3bo2bo$14bo3bobo2bo$10b2o
9b2o$10bobo5b2o$12bo4b2ob3o$12b2o2b2o5bo$15b3o3b2obo$10b5ob2o4bobo2bo$
7bobo5bo2bob3o2b3o$7b2obo2bo5b2o2b2o$10bobob3o3bobo2b3o$10bo2b3o3bo3bo
4bo$2o2b2ob2obo3bo4bob2ob2o2bo$o2bobobobo10bobobobob2o$bobo3bo14bo3bo$
2ob2o2b2o12b2o2b2o2$12b2o$12b2o4b3o$11bobo4bobo$18b3o4$18b3o$11bobo4bo
bo$12b2o4b3o$12b2o2$2ob2o2b2o12b2o2b2o$bobo3bo14bo3bo$o2bobobobo10bobo
bobob2o$2o2b2ob2obo3bo4bob2ob2o2bo$10bo2b3o3bo3bo4bo$10bobob3o3bobo2b
3o$7b2obo2bo5b2o2b2o$7bobo5bo2bob3o2b3o$10b5ob2o4bobo2bo$15b3o3b2obo$
12b2o2b2o5bo$12bo4b2ob3o$10bobo5b2o$10b2o9b2o$14bo3bobo2bo$13bobo3bo2b
o$12bobo4b2ob2o$11bo2bob4o2bo$12b2ob2obo3bo$13bob2ob3ob2o$13bo3bo3bo$
12b2obob3obo$14bobo3bo$14bobo2bo$15bo3b2o!
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p88, left: (44,3), right: (44,3)(click above to open LifeViewer ) RLE : here Plaintext : here
x = 24, y = 31, rule = B3/S23
8b2o4b2o$4bo3bobo2bobo3bo$4bo5bo2bo5bo$4bo4bo4bo4bo$3b2o4b6o4b2o$bo8b
4o8bo$o4bo12bo4bo$o22bo$2b3o14b3o2$9b2o$9b2o4b3o$8bobo4bobo$15b3o4$15b
3o$8bobo4bobo$9b2o4b3o$9b2o2$2b3o14b3o$o22bo$o4bo12bo4bo$bo8b4o8bo$3b
2o4b6o4b2o$4bo4bo4bo4bo$4bo5bo2bo5bo$4bo3bobo2bobo3bo$8b2o4b2o!
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p90, left: (45,9), right: (45,9)(click above to open LifeViewer ) RLE : here Plaintext : here