#N Backrake 1
#O Jason Summers
#C An orthogonal period 8 c/2 backrake.
#C www.conwaylife.com/wiki/index.php?title=Backrake_1
x = 27, y = 18, rule = B3/S23
5b3o11b3o5b$4bo3bo9bo3bo4b$3b2o4bo7bo4b2o3b$2bobob2ob2o5b2ob2obobo2b$b
2obo4bob2ob2obo4bob2ob$o4bo3bo2bobo2bo3bo4bo$12bobo12b$2o7b2obobob2o7b
2o$12bobo12b$6b3o9b3o6b$6bo3bo9bo6b$6bobo4b3o11b$12bo2bo4b2o5b$15bo11b
$11bo3bo11b$11bo3bo11b$15bo11b$12bobo!