x = 1043, y = 44, rule = B3678/S34678
521bo$521boo$517boob4o$442bo74b6o81bo12boobb3o$357boobboo78bob3o71b10o
10bobo63bobbo10b7o$356bobooboo8boo68b6o4bo66b10obo72b3o8bob9o$275b3o
80b6o5booboo67b5obb7o62b12obo5bobo64b3obo3boob11o70bo$275boo4boboboo
64boobb6obo8boo67b17o60boob13obobb4o63b3o3bob11obo69b3obo$79bo67bo4bo
bboo38bo10b4o58bobobb10ob3o63bobb7o11bo5boo61b18obo59bob21o63boo4b14o
69boboobo$11bo4b3ob3ob3ob3ob3ob3ob3ob3ob3ob3ob3ob3ob3ob4o7bo7boo14bob
oob3ob3ob3ob3ob3ob3ob3obbobob7obb5obo37bo5b3ob4obo59b3ob16obo61b9obo4b
obboobob4o60b19o63b20o66bobb13o3bo67bob6o$4boo5boob57obboo3bo7bobboo
11bob40ob11obo31bob3oboobb10oboo54b3ob20oboboo55b10oboo6b4ob7o57bob21o
59b21o68b15o3boo65bob9o$bbobb4ob63obobbo4bob7o9b56o32bobb6obb9obboobo
54b26obo53b11obbo4b14obboo55b21o59b22o64bobb15o71b10o$b3obobb66oboboo
bbobobobbobbob3o4b56o32b23oboboo9boo39bob27o4booboboo43b15obb18o3boobb
o45b24o58b25o62b16obo70b11obo$4obb22ob53obbo4bobbobo4b56o34b29o4b5o40b
28obbobb5obo4bobo36b44o43b24obbobo52b24obo61b17obo71b13o$boobobob67obb
6o8bo7b56o33b33obb6o38b39obobooboboo34b44o43b28o3b3o49b23o62b17obboo
68bob13o$3bob26ob42obobboob3o8bobobb59o30boobb31ob6o38b41ob3obobo34b
44o42b29ob3o53b25o60b20o69b15o$boobobob12ob8obb45oboboo12b62o33b44obb
oo29b45obbo35b45o41b35obbo48b23obobo58b20o71b15o$4obb12o3b8o4b40ob5o
13bob61o26boob51obbo26b47o3bo33b44obo41bob31ob4o48b23oboo57bob20o69b
15o$b3obobb3o3b4o3bob7obobob38ob3o17b62o25b56oboo25b49o35b44o43b32o52b
24obo59b22o68b15o$bbobb4oboob3o6b7oboobbob37o22b61o25b58obo25b49o35b
44o41b37o48b24obbo59b19obo70b12o$4boo19b5oboobob34obb4o18b63o25b58obo
22b49o36b44o41b38obbo44b27obo58b19o72b13o$26boo3boobob33ob5obo3boo12b
14obb11obb33o25b11obb11obb35o20b14obb11obb21obo34bob10obb11obb18o41b
10obb11obb18o43b8obb20o55bob5obb10obo73b10obo78boo82boo82boo82boo$26b
oo3boobob33ob5obo3boo12b14obb11obb33o25b11obb11obb35o20b14obb11obb21ob
o34bob10obb11obb18o41b10obb11obb18o43b8obb20o55bob5obb10obo73b10obo78b
oo82boo82boo82boo$4boo19b5oboobob34obb4o18b63o25b58obo22b49o36b44o41b
38obbo44b27obo58b19o72b13o$bbobb4oboob3o6b7oboobbob37o22b61o25b58obo
25b49o35b44o41b37o48b24obbo59b19obo70b12o$b3obobb3o3b4o3bob7obobob38ob
3o17b62o25b56oboo25b49o35b44o43b32o52b24obo59b22o68b15o$4obb12o3b8o4b
40ob5o13bob61o26boob51obbo26b47o3bo33b44obo41bob31ob4o48b23oboo57bob
20o69b15o$boobobob12ob8obb45oboboo12b62o33b44obboo29b45obbo35b45o41b
35obbo48b23obobo58b20o71b15o$3bob26ob42obobboob3o8bobobb59o30boobb31ob
6o38b41ob3obobo34b44o42b29ob3o53b25o60b20o69b15o$boobobob67obb6o8bo7b
56o33b33obb6o38b39obobooboboo34b44o43b28o3b3o49b23o62b17obboo68bob13o$
4obb22ob53obbo4bobbobo4b56o34b29o4b5o40b28obbobb5obo4bobo36b44o43b24o
bbobo52b24obo61b17obo71b13o$b3obobb66oboboobbobobobbobbob3o4b56o32b23o
boboo9boo39bob27o4booboboo43b15obb18o3boobbo45b24o58b25o62b16obo70b11o
bo$bbobb4ob63obobbo4bob7o9b56o32bobb6obb9obboobo54b26obo53b11obbo4b14o
bboo55b21o59b22o64bobb15o71b10o$4boo5boob57obboo3bo7bobboo11bob40ob11o
bo31bob3oboobb10oboo54b3ob20oboboo55b10oboo6b4ob7o57bob21o59b21o68b15o
3boo65bob9o$11bo4b3ob3ob3ob3ob3ob3ob3ob3ob3ob3ob3ob3ob3ob4o7bo7boo14bo
boob3ob3ob3ob3ob3ob3ob3obbobob7obb5obo37bo5b3ob4obo59b3ob16obo61b9obo
4bobboobob4o60b19o63b20o66bobb13o3bo67bob6o$79bo67bo4bobboo38bo10b4o
58bobobb10ob3o63bobb7o11bo5boo61b18obo59bob21o63boo4b14o69boboobo$275b
oo4boboboo64boobb6obo8boo67b17o60boob13obobb4o63b3o3bob11obo69b3obo$
275b3o80b6o5booboo67b5obb7o62b12obo5bobo64b3obo3boob11o70bo$356boboob
oo8boo68b6o4bo66b10obo72b3o8bob9o$357boobboo78bob3o71b10o10bobo63bobbo
10b7o$442bo74b6o81bo12boobb3o$517boob4o$521boo$521bo!
A period 168 puffer.
This leaves a block each period.
David I. Bell, April 1997
