x = 540, y = 280
49bo3b3o5b3o3bo404bo3b3o5b3o3bo$46boob5oboo3boob5oboo398boob5oboo3boob
5oboo$44boboobo5bobobobo5boboobo394boboobo5bobobobo5boboobo$43bo3bobo
3b5ob5o3bobo3bo392bo3bobo3b5ob5o3bobo3bo$47b3o5boo3boo5b3o400b3o5boo3b
oo5b3o$44bobbob3o13b3obobbobbo391bobbob3o13b3obobbo$46bo23bo3boo393bo
23bo$74bobo7$419bo$419boo$418bobo7$165bo$164boo$164bobo7$329bo$45bo5b
oo5boo5bo263boo143bo5boo5boo5bo$43bobbooboobbo3bobbooboobbo260bobo141b
obbooboobbo3bobbooboobbo$41b3o4bobo3bobo3bobo4b3o400b3o4bobo3bobo3bobo
4b3o$41boobbobb3oboo3boob3obbobboo400boobbobb3oboo3boob3obbobboo$41b3o
bb3o4bo3bo4b3obb3o400b3obb3o4bo3bo4b3obb3o$42bobobbo15bobbobo402bobobb
o15bobbobo$43bo23bo404bo23bo$$255bo$106boo146boo$106bobo145bobo$106bo
3$42bo5boo5boo5bo414bo5boo5boo5bo$40bobbooboobbo3bobbooboobbo410bobboo
boobbo3bobbooboobbo$38b3o4bobo3bobo3bobo4b3o406b3o4bobo3bobo3bobo4b3o$
38boobbobb3oboo3boob3obbobboo172bo226bo6boobbobb3oboo3boob3obbobboo$
38b3obb3o4bo3bo4b3obb3o172boo146boo72b5obbo4b3obb3o4bo3bo4b3obb3o$39bo
bobbo15bobbobo172bobo145bobo67boo3b3obboobo4bobobbo15bobbobo$40bo23bo
323bo68b3o5bobobo5bo23bo$458booboo4b3o$459bo4bo$461b3o$462boo$$345bo$
196boo146boo$196bobo145bobo$196bo$$101bo3b3o5b3o3bo300bo3b3o5b3o3bo$
98boob5oboo3boob5oboo294boob5oboo3boob5oboo$96boboobo5bobobobo5boboobo
290boboobo5bobobobo5boboobo$95bo3bobo3b5ob5o3bobo3bo288bo3bobo3b5ob5o
3bobo3bo$99b3o5boo3boo5b3o27bo268b3o5boo3boo5b3o$96bobbob3o13b3obobbo
24boo146boo116bobbob3o13b3obobbo$98bo23bo25bobo145bobo118bo23bo$298bo
6$435bo$286boo146boo$286bobo145bobo$286bo5$11boo5boo5boo5boo472boo5boo
5boo5boo$9bo3bo3bobbo3bobbo3bo3bo23bo444bo3bo3bobbo3bobbo3bo3bo$9bo3bo
bob3o5b3obobo3bo23boo146boo295bo3bobob3o5b3obobo3bo$9bo5boobb3ob3obboo
5bo22bobo145bobo295bo5boobb3ob3obboo5bo$9boob3o15b3oboo172bo295boob3o
15b3oboo$9bo25bo468bo25bo$10bo3bo15bo3bo470bo3bo15bo3bo$11bobbo15bobbo
472bobbo15bobbo4$376boo$376bobo$376bo$30b3o$54bo5boo5boo5bo390bo5boo5b
oo5bo$4boo5boo5boo5boo25bobbooboobbo3bobbooboobbo386bobbooboobbo3bobb
ooboobbo25boo5boo5boo5boo$bbo3bo3bobbo3bobbo3bo3bo21b3o4bobo3bobo3bobo
4b3o382b3o4bobo3bobo3bobo4b3o21bo3bo3bobbo3bobbo3bo3bo$bbo3bobob3o5b3o
bobo3bo21boobbobb3oboo3boob3obbobboo382boobbobb3oboo3boob3obbobboo21bo
3bobob3o5b3obobo3bo$bbo5boobb3ob3obboo5bo21b3obb3o4bo3bo4b3obb3o382b3o
bb3o4bo3bo4b3obb3o21bo5boobb3ob3obboo5bo$bboob3o15b3oboo7boo13bobobbo
15bobbobo39boo343bobobbo15bobbobo22boob3o15b3oboo$bbo25bo8bo14bo23bo
39bobo344bo23bo23bo25bo$3bo3bo15bo3bo8bo81bo393bo3bo15bo3bo$4bobbo15bo
bbo486bobbo15bobbo$38bo$35bo$35bobbo$34b3o$34b3o380boo5boo$34bobbo371b
4obobobo5bobobob4o32boo$35bobo61bo308b3oboboboobo3boboobobob3o31bobo$
35b3o62boo306bo3bobo13bobo3bo31bo$99boo308bob3o5booboo5b3obo$409boo21b
oo$409b5o15b5o$412boo15boo3$9boo5boo504boo5boo$b4obobobo5bobobob4o488b
4obobobo5bobobob4o$3oboboboobo3boboobobob3o17bo5boo5boo5bo410bo5boo5b
oo5bo17b3oboboboobo3boboobobob3o$o3bobo13bobo3bo15bobbooboobbo3bobboob
oobbo406bobbooboobbo3bobbooboobbo15bo3bobo13bobo3bo$bob3o5booboo5b3obo
14b3o4bobo3bobo3bobo4b3o402b3o4bobo3bobo3bobo4b3o14bob3o5booboo5b3obo$
boo21boo14boobbobb3oboo3boob3obbobboo402boobbobb3oboo3boob3obbobboo14b
oo21boo$b5o15b5o14b3obb3o4bo3bo4b3obb3o402b3obb3o4bo3bo4b3obb3o14b5o
15b5o$4boo15boo18bobobbo15bobbobo404bobobbo15bobbobo18boo15boo$42bo23b
o406bo23bo146$189bo$190boo$189boo!

A period 360 c/5 backwards rake.
This works by populating the glider loop in the period 3960 backwards rake
with 11 pairs of gliders.
David I. Bell, March 1998
