The smallest P32 backrake can be made out of two Backrake 1's, and so it's the basis of the smallest infinite glider graveyard.
Code: Select all
x = 80, y = 80, rule = B3/S23
17b3o11b3o12b3o11b3o$16bo3bo9bo3bo10bo3bo9bo3bo$15b2o4bo7bo4b2o8b2o4bo
7bo4b2o$14bobob2ob2o5b2ob2obobo6bobob2ob2o5b2ob2obobo$13b2obo4bob2ob2o
bo4bob2o4b2obo4bob2ob2obo4bob2o$12bo4bo3bo2bobo2bo3bo4bo2bo4bo3bo2bobo
2bo3bo4bo$24bobo26bobo$12b2o7b2obobob2o7b2o2b2o7b2obobob2o7b2o$24bobo
26bobo$18b3o9b3o14b3o9b3o$18bo9bo3bo14bo3bo9bo$23b3o4bobo14bobo4b3o$5b
obo9b2o4bo2bo26bo2bo4b2o9bobo$4bo2bo15bo32bo15bo2bo$3b2o18bo3bo24bo3bo
18b2o$2bo20bo3bo24bo3bo20bo$b4o18bo8bo14bo8bo18b4o$o4bo6bo11bobo3bobo
14bobo3bobo11bo6bo4bo$o2bo5b2obo18b2o14b2o18bob2o5bo2bo$o2bo5bo60bo5bo
2bo$bo7bo60bo7bo$2b4obo64bob4o$3bo3bo26bo10bo26bo3bo$4bo6b6o15bobo10bo
bo15b6o6bo$4b5o2bo5bo15b2o10b2o15bo5bo2b5o$11bo56bo$4b5o3bo4bo44bo4bo
3b5o$4bo9b2o48b2o9bo$3bo3bo2bo25bo6bo25bo2bo3bo$2b4obo26bobo6bobo26bob
4o$bo7bobo5bo17b2o6b2o17bo5bobo7bo$o2bo5bo8bo42bo8bo5bo2bo$o2bo5b3o4b
3o4bo32bo4b3o4b3o5bo2bo$o4bo18bo30bo18bo4bo$b4o17b3o4bo8bo2bo8bo4b3o
17b4o$2bo27bo5bobo2bobo5bo27bo$3b2o23b3o4bob2o2b2obo4b3o23b2o$4bo2bo
28bo6bo28bo2bo$5bobo26b3o6b3o26bobo3$5bobo26b3o6b3o26bobo$4bo2bo28bo6b
o28bo2bo$3b2o23b3o4bob2o2b2obo4b3o23b2o$2bo27bo5bobo2bobo5bo27bo$b4o
17b3o4bo8bo2bo8bo4b3o17b4o$o4bo18bo30bo18bo4bo$o2bo5b3o4b3o4bo32bo4b3o
4b3o5bo2bo$o2bo5bo8bo42bo8bo5bo2bo$bo7bobo5bo17b2o6b2o17bo5bobo7bo$2b
4obo26bobo6bobo26bob4o$3bo3bo2bo25bo6bo25bo2bo3bo$4bo9b2o48b2o9bo$4b5o
3bo4bo44bo4bo3b5o$11bo56bo$4b5o2bo5bo15b2o10b2o15bo5bo2b5o$4bo6b6o15bo
bo10bobo15b6o6bo$3bo3bo26bo10bo26bo3bo$2b4obo64bob4o$bo7bo60bo7bo$o2bo
5bo60bo5bo2bo$o2bo5b2obo18b2o14b2o18bob2o5bo2bo$o4bo6bo11bobo3bobo14bo
bo3bobo11bo6bo4bo$b4o18bo8bo14bo8bo18b4o$2bo20bo3bo24bo3bo20bo$3b2o18b
o3bo24bo3bo18b2o$4bo2bo15bo32bo15bo2bo$5bobo9b2o4bo2bo26bo2bo4b2o9bobo
$23b3o4bobo14bobo4b3o$18bo9bo3bo14bo3bo9bo$18b3o9b3o14b3o9b3o$24bobo
26bobo$12b2o7b2obobob2o7b2o2b2o7b2obobob2o7b2o$24bobo26bobo$12bo4bo3bo
2bobo2bo3bo4bo2bo4bo3bo2bobo2bo3bo4bo$13b2obo4bob2ob2obo4bob2o4b2obo4b
ob2ob2obo4bob2o$14bobob2ob2o5b2ob2obobo6bobob2ob2o5b2ob2obobo$15b2o4bo
7bo4b2o8b2o4bo7bo4b2o$16bo3bo9bo3bo10bo3bo9bo3bo$17b3o11b3o12b3o11b3o!