#C A period 600 p20 ship gun.
#C This works by colliding two pairs of rockets into a large eater.
#C The rockets and eater are produced by small period 600 guns.
#C David I. Bell, July 1999
x = 396, y = 319, rule = B3678/S34678
209boo$209b4o$210b3o$209b5o$209b5o$209b5o$209b5o$209b5o$209b5o$209b5o$
209b5o$209b5o$209b5o$209b5o$210b3o$209b4o$209boo33$215boo$215boo$214b
4o$214boboo$215bo$215bo$214boboo$214b4o$215boo$6b6o50b6o147boo111b6o
50b6o$$6b6o50b6o260b6o50b6o$3b3o6b3o44b3o6b3o254b3o6b3o44b3o6b3o$b16o
40b16o250b16o40b16o$b5o6b5o40b5o6b5o250b5o6b5o40b5o6b5o$18o38b18o248b
18o38b18o$oob3o6b3oboo38boob3o6b3oboo248boob3o6b3oboo38boob3o6b3oboo$
6b6o50b6o260b6o50b6o$$6b6o50b6o260b6o50b6o3$57boo278boo$57bo280bo$52b
oo3bo3bo272bo3bo3boo$oob3obboboboo5b4obbo15boo9b8oboo270boob8o9boo15bo
bb4o5boobobobb3oboo$14o4b4o4bo12b6oboo3bob11o268b11obo3boob6o12bo4b4o
4b14o$b13o3bob9o11b11obb13o131b4o131b13obb11o11b9obo3b13o$15o3bob9o11b
26o129boboobo129b26o11b9obo3b15o$b13o3bob9o11b11obb13o8bo121b6o121bo8b
13obb11o11b9obo3b13o$14o4b4o4bo12b6oboo3bob11o10boo119b6o119boo10b11ob
o3boob6o12bo4b4o4b14o$oob3obboboboo5b4obbo15boo9b8oboo11bo118b10o118bo
11boob8o9boo15bobb4o5boobobobb3oboo$52boo3bo3bo131b10o131bo3bo3boo$57b
o135b10o135bo$57boo135b8o135boo$193b10o$24boo168b8o168boo$6b6o181b10o
181b6o$24boo167b10o167boo$6b6o180b12o180b6o$oob3o6b3obboo5boo165b14o
165boo5boobb3o6b3oboo$24obb5o160b14o160b5obb24o$b5o6b21o159b12o159b21o
6b5o$b23obb7o159b12o159b7obb23o$3b3o6b22o156b16o156b22o6b3o$6b6o3boobb
5obb5oboo158bob8obo158boob5obb5obboo3b6o$24boo166bobo6bobo166boo$6b6o
182bobboobbo182b6o$24boo168b8o168boo$197boo$24boo171boo171boo$62boo
268boo$62boboo264boobo$58boob4o266b4oboo$16boob3obboboboo10boobo5bo8b
8obo260bob8o8bo5boboo10boobobobb3oboo$16b14o4boobbobb3o4boboboo3bob10o
258b10obo3boobobo4b3obbobboo4b14o$17b13o3bob10obb9obb12o256b12obb9obb
10obo3b13o$16b15o3b11obbob22o254b22obobb11o3b15o$17b13o3bob10obb9obb
12o256b12obb9obb10obo3b13o$16b14o4boobbobb3o4boboboo3bob10o258b10obo3b
oobobo4b3obbobboo4b14o$16boob3obboboboo10boobo5bo8b8obo260bob8o8bo5bob
oo10boobobobb3oboo$58boob4o266b4oboo$62boboo264boobo$62boo268boo$24boo
54boo232boo54boo$$24boo54boo232boo54boo$$24boo54boo232boo54boo$16boob
5obb5oboo38boob5obb5oboo216boob5obb5oboo38boob5obb5oboo$16b18o38b18o
216b18o38b18o$17b7obb7o40b7obb7o218b7obb7o40b7obb7o$17b16o40b16o218b
16o40b16o$19b5obb5o44b5obb5o222b5obb5o44b5obb5o$24boo54boo232boo54boo
$$24boo54boo232boo54boo$$24boo54boo232boo54boo7$315boo4boo48boo4boo$
318boo54boo$313b5obb5o44b5obb5o$311b4obb4obb4o40b4obb4obb4o$311b16o40b
16o$218boobboo86b5obb4obb5o38b5obb4obb5o$216b3oboob3o84boob5obb5oboo
38boob5obb5oboo$216b4obb4o92boo54boo$218boobboo91boo4boo48boo4boo4$
235boo98boo$236bo99bo$232bo3bo3boo90bo3bo3boo$231boob8o12bo76boob8o8b
oo5b3o10boobobobb3oboo$230b11obo3booboob3o4bo64bo5b11obo3boob3o6bobbo
bboo4b14o$229b13obb11obbobo63boo4b13obb8obboob8obo3b13o$228b26obobb4o
62boobb38o3b15o$229b13obb11obbobo50bo18b13obb8obboob8obo3b13o$203bo26b
11obo3booboob3o4bo48boo20b11obo3boob3o6bobbobboo4b14o$202b3o26boob8o
12bo54bo21boob8o8boo5b3o10boobobobb3oboo$201b5o26bo3bo3boo90bo3bo3boo$
200b7o29bo99bo$201b5o29boo98boo$198bob7obo$198b11o$197bob9obo$197b13o
161boo4boo$199b9o166boo$200b7o159boob5obb5oboo$199b9o158b5obb4obb5o$
199boob3oboo159b16o$201bobobo161b4obb4obb4o$203bo165b5obb5o$202b3o169b
oo$202b3o166boo4boo$201b5o$201b5o$202b3o$201b5o$200bob3obo$201booboo4$
202b3o$203bo$201bobobo$201bobobo3$203bo57$201bo$200boo$202bo12boo$215b
4o$216b3o$215b5o$214bob3obo$214bob3obo$214bob3obo$214bob3obo$214bob3ob
o$214bob3obo$214bob3obo$203bo10bob3obo$201boboboo7bob3obo$201b6o7bob3o
bo$203b3o9b5o$204b3o9b3o$201b6o8b4o$202b3o10boo$201booboo$200b5o$200bo
$199b6o$202bobo$202bo$201b3o$203bo$201b3obo$201b5o$202b3o$201b5o$201b
5o$200b7o$200bob3obo$201booboo$202bobo$203bo11$203bo$202b3o$201b5o$
200b7o$199b9o$201b5o$203bo$202b3o$201b5o$201bobobo$190boo10bobo10boo$
188b4o23b4o$188b3o25b3o$187b5o11bo11b5o$186bob3obo7b7o7bob3obo$186bob
3obo7b7o7bob3obo$186bob3obo8b5o8bob3obo$186bob3obo7b7o7bob3obo$186bob
3obo8b5o8bob3obo$186bob3obo7b7o7bob3obo$186bob3obo8b5o8bob3obo$186bob
3obo8b5o8bob3obo$186bob3obo7b7o7bob3obo$186bob3obo7b7o7bob3obo$187b5o
8b7o8b5o$188b3o10b5o10b3o$188b4o8b7o8b4o$190boo8booboboo8boo!
