#C P6 lightspeed signal oscillator: sink (right) by Dean Hickerson,
#C January 1995; source (left) by Josh Ball, July 2006.
x = 78, y = 16
20bob2o41b2o$3bobo2b2o10b2o2bob2ob2o19b2o3b2o7bo2bo$2bob2o2bobo3b2o7bo
3bobo21bo2bo2bo7b2obo$2bo3b2o2bo2bobo2b5ob2o5bo2bo2bo2bo2bo2bo2bo2b3ob
o2b2ob3o3bo8bo$2ob3o2b3obo2bobo4bobob26o3bob2obobo2bobob2o4b3o$bobo2b
2o4b3obobo3b2o28bo2bobo2bo4bobobobo2bo$o3b2o2bob2o2bo13b4o2b4o2b4o2b4o
2b2ob2o2b2o4b2obo2bo3bo$b2o4b2o3bo9bo2bo5b2o4b2o4b2o4b2ob2o2b2o6b3obo
2b2o2bo$3b2o3bob2o2bo3bo2b2o2b2ob4o2b4o2b4o2b4o2bo3bob2ob2ob3obo2b2o$
3bo3bo4b2o7bobobo26b3obobob2o4bobobo3bo$bobo4b3obo4bobo3bob27o3bobo4b
5obo2b4o$b2o7bobo2b3obobob2o6bo2bo2bo2bo2bo2bo2bo3bo3bob3o5bobobo$12bo
bo3bob2o4b3o22b2ob3obobo2bo2bo2bo2bo$11b2ob2o2bo3bob2o3bo22bobo2bo4b2o
2b2o2b2o$17b2o3b2obo2b2o22bo2bo$53b2o!