Cool rules are all over the place. Here's a new cool rule, B2cek3q4-i/S13ck4k:

It has 2 p33 oscillators:

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```
x = 18, y = 16, rule = B2cek3q4-i/S13ck4k
6bo7bo2$5bo9bo2$6bo7bo11$ob2obo2b2o2bob2obo!
```

It also has lots of guns (because the larger p33 has glider sparks):

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```
x = 196, y = 74, rule = B2cek3q4-i/S13ck4k
25bob2obo13$43bo2$43bo$43bo2$43bo7$o2$o$o2$o11$128bo2bo5bo2bo18bob2obo
3bob2obo8bo$113bo13bo4bo3bo4bo$13bob2obo95bo13bo2bo5bo2bo$114bo5$172bo
20bo$106bob2obo2b2o2bob2obo47bo5b3o6b3o5bo$170bo24bo$171bo5b3o6b3o5bo$
172bo20bo20$159bobo6bob2obo!
```

The p33 is easily pushable:

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```
x = 23, y = 25, rule = B2cek3q4-i/S13ck4k
13b2o2bob2obo17$5bob2obo2b2o2bob2obo6$2o$2bo!
```

There are probably spaceships of speeds 6kc/(50k+33(n+C)) based on reactions like the ones above, but I've only found a 6c/116 (p232):

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```
x = 71, y = 70, rule = B2cek3q4-i/S13ck4k
5bobo6$5bobo6$5bobo6$5bobo6$5bobo6$5bobo15bo$23bo5$5bobo15bo$23bo5$5bo
bo15bo$23bo4$40bo$41bo3bo8b2o$41bo2bobo6bo2$44bobo2$o$obo41bobo2$6bo$
6bo2$obo7bobo$o11bo11bobo41bobo$25bo$6bo18bo$5bobo16bobo17bobo21bobo$
4bo3bo2$44bobo2$44bobo$45bo!
```

12c/199 rake and trivial spaceship:

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```
x = 56, y = 30, rule = B2cek3q4-i/S13ck4k
49bobo3$10bo$4b2o4bo$49bobo$50bo3$45b2o7b2o$45bo2bo3bo2bo$3bo5bo35bo2b
o3bo2bo$3b2o3b2o$4bo3bo$2bobo3bobo39bo$18b2o6bo6b2o15bo$26bo$6bo11bo
15bo$6bo38bo2bo3bo2bo$25bobo17bo2bo3bo2bo$obo7bobo12bobo17b2o7b2o$o11b
o13bo$26bo$6bo18bobo22bo$5bobo17bobo21bobo$4bo3bo4$49bobo!
```

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```
x = 104, y = 56, rule = B2cek3q4-i/S13ck4k
45b2o10b2o6$35b2o30b2o$37bo28bo5$45b2o10b2o12$45b2o10b2o9$14bobo70bobo
$16bo10b2o46b2o10bo$40bo2bo16bo2bo$27bo12bo2bo16bo2bo12bo4$23bobo52bob
o3$23bobo52bobo$o102bo$17bo13bo12bo14bo12bo13bo$o42bobo12bobo42bo$o23b
o54bo23bo$24bo18bobo12bobo18bo$o102bo$17bo13bo40bo13bo$43bobo12bobo$
23bobo52bobo$43bobo12bobo$44bo14bo$23bobo52bobo!
```

Is there a way to creat a smaller 12c/199 (3-5 engines)?

(possibly) adjustable-speed rake, shown at 6c/545 (EDIT: evolves into 12c/628):

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```
x = 91, y = 57, rule = B2cek3q4-i/S13ck4k
39bob2obo2b2o2bob2obo39$9bo$10b2o8$71bobo6bobo$69b3obo6bob3o$69b2o12b
2o$63bo2bo20bo2bo$33bo18bo11bo2bo8b2o8bo2bo$31b3o4bo8bo4b3o8bo2bo20bo
2bo$33bo2bo2bo6bo2bo2bo16b2o12b2o$31b3o4bo8bo4b3o14b3obo6bob3o$ob2obo
2b2o2bob2obo15bo18bo18bobo6bobo!
```

"Build a man a fire and he'll be warm for a day. Set a man on fire and he'll be warm for the rest of his life."

-Terry Pratchett