x = 132, y = 288
19boboob3o5b3o49b3o5b3oboobo$18booboo4boobo3b4o6b3o25b3o6b4o3boboo4boo
boo$17bobbobobbo3boo7bo3boo3bo11bo11bo3boo3bo7boo3bobbobobbo$18bo5bo3b
o3bobboobo3bobbobo10b3o10bobobbo3boboobbo3bo3bo5bo$38boo3boobboo8bo3bo
8boobboo3boo$38b3obbobobboo8b3o8boobbobobb3o$36bobo4bo4boboo5b5o5boobo
4bo4bobo$35boo13bo5boo3boo5bo13boo$21boboob3o5bobbo9boo3boobo7boboo3b
oo9bobbo5b3oboobo$20booboo4boobo21b3obobob3o21boboo4booboo$19bobbobobb
o3boo22boo5boo22boo3bobbobobbo$20bo5bo3bo3bo17bobobbooboobbobo17bo3bo
3bo5bo$55boo5boo$53booboboboboboo$52bo3bobbobbo3bo$52boboboo3boobobo$
53bobobo3bobobo$56bobobobo$53bo11bo$51boobo3bobo3boboo$54bo4bo4bo$54bo
booboboobo$53boobo5boboo$52bobobo5bobobo$51boobobob3oboboboo$54bobo5bo
bo$51booboboo3booboboo$30boboo24b3o24boobo$26b3obooboboo18b9o18boobob
oob3o$25bo6boobb4o15boo5boo15b4obboo6bo$26boo3bo3bo4bo12boo9boo12bo4bo
3bo3boo$38b3o5boo9bobobo9boo5b3o$44boboo5bobboo3boobbo5boobo$41boboo3b
oo19boo3boobo$40booboobobobo4bob5obo4bobobobooboo$40boobo4bob3ob11ob3o
bo4boboo$44boobo3bob13obo3boboo$51bo15bo$52bo13bo$59bo$54bo9bo$55bo7bo
$53bo3bo3bo3bo$18b4o11bo19b3obb3obb3o$14boboobobo8bob3o4boo13bo3bobo3b
o$13b3o4bobb3o3boboobobooboo16bo3bo$12bo3bo6boobobo3bo4bo3bo14bo5bo$
12boo9boobb3obo4b3o4bo9bobbo5bobbo$12boo8bobobbo7booboo3boo8bobbobobob
obbo$10boobo5boobobo8bo3boboboobboo6bo3bo3bo3bo$8booboboo4boobobobobb
3o4bobboboob3o10bo3bo$7bo11bo4bob4obbobobbobobooboo12bobo$8boboobooboo
3bo5boo6bo23bo$17bo3b4o3bo13bo$15boo10bo12boo8bo$26bo23b3o$52boo13bobb
o$52boo11booboo$49boo5boo3boo5b3o$49bobo4boo3boo$$49b3o$49bo$49bo$$56b
oo3boo$56boo3boo$$56boo3boo$56boo3boo6$56boo3bo$55bo3boobo$54bo5bobo$
55bobbo$$57bo3bo$57bob3o$51bo5bo5bo$51bobobbobobbobo$51bobbobbobbobbo$
53boo5boo$55booboo$55bobobo$$56bo3bo$84bo12boo$59boo17bo3b3o10booboboo
$77b4o5b3o4bo4bobb4o$76bo3bo5b3o3boo6bo4bo$47boo25b3obo5bobboobboobbo
7b3o$72bobboobboboo7boo3bo$48boboo13bo6bo3bobo3boo7b3obobo8bo$48b3obob
oobbo5b3o5boo4bobobooboboobboboboboo4b4oboo$48bo4bo4bo4boobo5bobboobo
4bobobbo4boboobbo3bobboboo$50boobboobbo3boo12booboboo3bo3boobb3o4b3obo
bobo$49booboobbo4b3o10bobbo12b4o7boo$49booboo8b3o11boo12b3o4bobobbo$
51bo42bobo4$13boo12bo$10booboboo10b3o3bo$7b4obbo4bo4b3o5b4o$6bo4bo6boo
3b3o5bo3bo$6b3o7bobboobboobbo5bob3o$16bo3boo7boobobboobbo$5bo8bobob3o
7boo3bobo3bo$bboob4o4boobobobobbooboboobobo4boo5bo16bobboo$bboobobbo3b
obboobo4bobbobo4boboobbo4b3o15bo$bbobobob3o4b3obboo3bo3booboboo7boobb
oo7bo5bobbo$9boo7b4o12bobbo6booboobbob3obo6bo$9bobbobo4b3o12boo10b3obb
o$15bobo41bobboo$61bobbo$53boo9bo$47bo14b4o$48bo4bo5bo4bo$48bo3bobo4bo
3bo$51bo3bo$52bobbo$52boobo$53boo21$30boo$23boo5booboo7b3oboo$20b4obob
3o3boo5boo4boo$16bo3boo3bo3bobo3boobbo3bob3o$12b3ob3o4bo3bobo3bobbobbo
b3obo$11bo6bobobbo3bo6boboboobooboo5bo$12boo3bobbo9bob3obobobb3obbo4b
oo$27booboobboobbo5boboo3boboo$30bobbobb4o9bobbo$22boobooboboo5boo5boo
3bo$20boo3b3o3b3obbobboboo9boboboo$18boobo4boo3bo4boobobo14boo6boo$17b
o3booboo14b5o8b5o6boo$bboboob3o7b3o4boo4boo7bobbobbo6bobbo$booboo4boob
oobo22bo8boo$obbobobbo3boo30b4obb4o46boo$bo5bo3bo5bo26b10o32b3o10bob3o
$15boo25boo10boo24b3obboo3bo5boboo3booboo$79bobob4o3boo3boboobobbobboo
$42bo5boo5bo24boo3boboo5bo3bo6bobbo$46b6o11b3o10b3obbo3bo5bobbo3bo10bo
$63bo11b3obboo3bo7bobooboo6bo$48boo14bo9bo4bobobobo4bo5boboboo7b3o$47b
obbo30boboobb5obbobo5bo3booboboo$47bobbo23boboboobboboo3bo4bobboboboo
bbo3bo3bo$48boo20bo6b3o14b3obboob3o$69b3o7bo12bo4b3o3bobbo$69boobo6bo
13bo3boo5bo$72boo$71b3o$67bobobbo$66b4obo$67bobboo$68b3o$69bo7$64boo$
64boo7$88bo10b3o$84b3ob3o6boobobbo3boobo$83bo6boo6bobobooboobobbo$84bo
bobo3bobbooboobbobo3bobboobboobo$64bo25bobobbobo3bo3bobob3obobooboo$
65boo12boo4boo5boobobobo3bo9bobobobbo$64boo12boboobboo4boobobo3bob4o7b
o6bo$16boboo14boo10boo30boboobb3oboo11bo$15boobooboobo8bob5o3booboo30b
oobobobobo4bobb3obo3bobo$14bobbobobooboo6boo3b3o3boo3boo28bo12bo6bobb
oo3booboo$15bo6bo3bobb5obobbobobbobbobo25b3o12boobobbo7bo3bobb3o$24bob
4o3b3o3b3o4boboboo14boo5bo18b4o4bo3bobbo4boo$27bobo3bo4bobbobbobobobob
ooboo9boo6bobboo8boo3boo6boo5b4o3bo8bo$25b4o4b4ob6obbobobo4boo19bobo8b
obobbo13b3o4b3o5b3ob3oboo$25b4o3bobobobobo3boboboboboobobbo19bobb4obbo
25boobbooboobbo4boo$27bobbo12bobboboboboo5bo7boo9bo8bo29boobbo3boobobb
o$45bobbobboboo4bo7boo13boo31bo3bo$49bo4bobobboo16b12o26bo$47bo3boobob
ooboo15boo10boo$40b3o3boobboobobbo3bo$26boob3o7boob3o4bobob4obbo21bobb
o$26boo4boo4bo5b4o7bo$25bobbobo3bo3b3obbobo10boo24boo$32b3obboo4bobboo
33bobbo$34b3o3booboobobo32bobbo$35bobbobbobo4bo33boo$36bo3bo3bo10$73bo
$73bobo$73boo50$51bo$50bo$50b3o!
A period 90 c/3 backwards rake.
This works by using a period 90 c/3 forwards rake along with a period 15
spaceship which turns the forwards gliders into backwards gliders.
David I. Bell, April 1997
