x = 498, y = 238, rule = B3678/S34678
462boo25boo$462boo25boo$461b4o23b4o$461b4o23b4o$460b5o23b5o$460b4obo
21bob4o$459b5obo21bob5o$459b6o23b6o$458b7o23b7o$458b7o23b7o$457b8o23b
8o$457b5obobobo17bobobob5o$456b6obobobo17bobobob6o$456b6obobobo17bobob
ob6o$457b8o23b8o$457b8o23b8o$458b7o23b7o$458b7o23b7o$456b8obo21bob8o$
456b8obo21bob8o$16boo25boo410b10o23b10o$16boo25boo410b10o23b9o$15b4o
23b4o410b8obo21bob8o$15b4o23b4o410b8obo21bob7o$14b5o23b5o407b10obo21bo
b7o$14b4obo21bob4o405b12obo21bob5o$13b5obo21bob5o404b12obo21bob5o$13b
6o23b6o63bobo336b14obo21bob3o$12b7o23b7o60b7o334b15o23b4o$12b6obo21bob
6o58b11o330b16o25boo$11b7obo21bob7o57b11o330b4obb3obb6o24boo$11b8o23b
8o55b15o330b5ob5obboo$10b8obo21bob8o54b15o335bo$10b8obo21bob8o52b19o
330boo3boo17bo$11b8o23b8o53b19o354bo$11b8o23b8o51b23o$12b6obo21bob6o
52b23o$12b6obo21bob6o50b27o254b4oboo38bo19boo29bo$10b9o23b9o48b27o252b
3ob4obo5bobo5bo20bobobo3boo10b5o27b5o$10b9o23b9o46b31o249bob8o4b3obo4b
oo20b12o7bob5o25bob3obo$9b9obo21bob9o45b31o11bo236bob9obb8o3b3obbo14b
14o6bob5o27b5o$10b8obo21bob9o43b35o8b3o235b19obob6ob3o13b12o7b7o26b7o$
10b8obo21bob8o44b35o9bo236bob9obb8o3b3obbo14b14o6bob5o27b5o$11b7obo21b
ob8o42b5o8b26o245bob8o4b3obo4boo20b12o7bob5o25bob3obo$11b7obo4boo9boo
4bob10o40b39o246b3ob4obo5bobo5bo20bobobo3boo10b5o27b5o$13b5obo5b4o3b4o
5bob12o40b3o8boo4boobboo11bo250b4oboo38bo19boo29bo$13b6o5bobobooboobob
o5b13o43b8obb4obboobb11o$15b4o7b3o3b3o7b15o$15b4o6bobb5obbo6b15o41b8o
370bo$16boo9b7o9b6o5b5o393boo3boo17bo$16boo9b7o8b17o396bo$27bob3obo8b
oobb3o5b3o393b5ob5obboo$30bo18b5o394b4obb3obb6o24boo$28bobobo415b16o
25boo$29b3o17b5o396b15o23b4o$450b14obo21bob3o$173bo278b12obo21bob5o$
160bo9boo4bobobo254bo16b12obo21bob5o$bbo27bo17bo8bo3bo3bo83boo9bo8bob
5ob3o254bobo17b10obo21bob7o$bbo25b5o14bo6bob8obbo80b5o4bobbobobboo4b9o
boboo249bobobo18b8obo21bob7o$5o23b5o13bob3o5b10obo12bo66b6obbobobb8obb
13obo222bo26bobo19b8obo21bob8o$oo25b7o14b4obobb12o11b3o66b37o221b3o26b
o19b10o23b9o$5o23b5o13bob3o5b10obo12bo66b6obbobobb8obb13obo222bo47b10o
23b10o$bbo25b5o14bo6bob8obbo80b5o4bobbobobboo4b9oboboo272b8obo21bob8o$
bbo27bo17bo8bo3bo3bo83boo9bo8bob5ob3o276b8obo21bob8o$160bo9boo4bobobo
277b7o23b7o$173bo284b7o23b7o$457b8o23b8o$29b3o17b5o403b8o23b8o$28bobob
o423b6obobobo17bobobob6o$30bo18b5o402b6obobobo17bobobob6o$27bob3obo8b
oobb3o5b3o400b5obobobo17bobobob5o$16boo9b7o8b17o69boo287boo38b8o23b8o$
16boo9b7o9b6o5b5o69b4o4boo271boo4b4o39b7o23b7o$15b4o6bobb5obbo6b15o69b
6obb6o267b6obb6o37b7o23b7o$15b4o7b3o3b3o7b15o69b16o263b16o38b6o23b6o$
13b6o5bobobooboobobo5b13o69b20o259b20o36b5obo21bob5o$13b5obo5b4o3b4o5b
ob12o69b22o255b22o37b4obo21bob4o$11b7obo4boo9boo4bob10o69b26o251b26o
35b5o23b5o$11b7obo21bob8o69b30o247b30o34b4o23b4o$10b8obo21bob8o69b30o
247b30o34b4o23b4o$10b8obo21bob9o70b12obbooboobboobbo251bobboobbooboobb
12o37boo25boo$9b9obo21bob9o82boobbobboobboo253boobboobbobboo49boo25boo
$10b9o23b9o$10b9o23b9o$12b6obo21bob6o48boo349boo$12b6obo21bob6o48boo
349boo$11b8o23b8o46b4o347b4o$11b8o23b8o46b3obo345bob3o$10b8obo21bob8o
43b5obo345bob5o$10b8obo21bob8o43b6o88bo169bo88b6o$11b8o23b8o42b8o88b3o
165b3o88b8o$11b7obo21bob7o42b8o85bob3obo163bob3obo85b8o$12b6obo21bob6o
41b10o10b3o71boob5o163b5oboo71b3o10b10o$12b7o23b7o41b10o9bobobo71bob3o
bo163bob3obo71bobobo9b10o$13b6o23b6o43b9o8bob3obo73b3o165b3o73bob3obo
8b9o$13b5obo21bob5o43b9o7bob5obo72bo169bo72bob5obo7b9o$14b4obo21bob4o
46b7o9b5o319b5o9b7o$14b5o23b5o46b7o7b9o315b9o7b7o$15b4o23b4o46b5obobob
o5b7o317b7o5bobobob5o$15b4o23b4o46b5obobobo5b7o317b7o5bobobob5o$16boo
25boo46b9o6b11o313b11o6b9o$16boo25boo46b9o6bob7obo313bob7obo6b9o$92b8o
7bob5obo315bob5obo7b8o$92b8o8b7o19boobbobboobboo253boobboobbobboo19b7o
8b8o$93b6obo6b9o6b12obbooboobboobbo251bobboobbooboobb12o6b9o6bob6o$93b
7o7bob5obo4b30o247b30o4bob5obo7b7o$94b6o8bobbobbo5b30o247b30o5bobbobbo
8b6o$94b6o11bo10b26o251b26o10bo11b6o$95b5o10b3o11b22o255b22o11b3o10b5o
$95b5o10b3o11b20o259b20o11b3o10b5o$96b4o9b5o12b16o263b16o12b5o9b4o$96b
4o9b5o12b6obb6o267b6obb6o12b5o9b4o$97boo11b3o15b4o4boo271boo4b4o15b3o
11boo$97boo10b5o14boo287boo14b5o10boo$109b5o319b5o$109booboo319booboo
42$124boo295boo$124boo295boo$123b5o291b5o$123b5o291b5o$121bobob5o287b
5obobo$121bobob5o287b5obobo$121bobob6o285b6obobo$121bobob5o287b5obobo$
121bobob5o287b5obobo$105b3o13bobob6o285b6obobo13b3o$105boboo12bobob5o
287b5obobo12boobo$105boobo12bobob5o287b5obobo12boboo$104b8o11b5o291b5o
11b8o$104booboboob3o8b5o291b5o8b3obooboboo$104boob4obobo9boo295boo9bob
ob4oboo$107b10o7boo295boo7b10o$105boobo5bobbo311bobbo5boboo$106b4obbob
o317bobobb4o$107boobo3boo315boo3boboo$111booboo315booboo$109b7o315b7o$
110booboo317booboo$109bobo323bobo$109bo327bo$108b4obo319bob4o$108boboo
323boobo$109boob3o317b3oboo$108boboo323boobo$109b3o323b3o$110boo323boo
$99boo21boo299boo21boo$99boo21boo299boo21boo$97b5o19b5o295b5o19b5o$97b
5o19b5o295b5o19b5o$95b7o19b7o291b7o19b7o$95b7o19b7o291b7o19b7o$94b8o
19b8o289b8o19b8o$90boobb3obobobobobo9bobobobobob3obboo281boobb3obobobo
bobo9bobobobobob3obboo$82boo4b14o19b14o4boo265boo4b14o19b14o4boo$80b6o
bb14o19b14obb6o261b6obb14o19b14obb6o$78b24o19b24o257b24o19b24o$76b26o
19b26o253b26o19b26o$74b28o19b28o249b28o19b28o$72b29o21b29o245b29o21b
29o$70b22obb7o21b7obb22o241b22obb7o21b7obb22o$70b32o19b32o241b32o19b
32o$72b3obboobbobboobb4obb5oboo19boob5obb4obboobbobboobb3o245b3obboobb
obboobb4obb5oboo19boob5obb4obboobbobboobb3o$75boobbooboobboo4boo35boo
4boobbooboobboo251boobbooboobboo4boo35boo4boobbooboobboo$$92boo35boo
285boo35boo3$110b3o321b3o$109bobobo319bobobo$109b5o319b5o$108b7o317b7o
$106b11o313b11o$105bob9obo311bob9obo$105b13o311b13o$105bob9obo311bob9o
bo$106b11o313b11o$108b7o317b7o$109b5o319b5o$109bobobo319bobobo$110b3o
321b3o3$92boo35boo285boo35boo$$75boobbooboobboo4boo35boo4boobbooboobb
oo251boobbooboobboo4boo35boo4boobbooboobboo$72b3obboobbobboobb4obb5o
25b5obb4obboobbobboobb3o245b3obboobbobboobb4obb5o25b5obb4obboobbobboo
bb3o$70b31o21b31o241b31o21b31o$70b22obb7o21b7obb22o241b22obb7o21b7obb
22o$72b27o25b27o245b27o25b27o$74b23o29b23o249b23o29b23o$76b21o29b21o
253b21o29b21o$78b17o33b17o257b17o33b17o$80b6obb7o33b7obb6o261b6obb7o
33b7obb6o$82boo4b5o37b5o4boo265boo4b5o37b5o4boo$90bo41bo281bo41bo!
A snail injector mechanism, demonstrated as a snail gun.
This produces snails on a column with no other live cells. 
David I. Bell, May 1997
