On 2017-12-28 at 13:43:08 UTC, Someone wrote:

It's called RLE.

On 2016-11-21 at 21:41:21 UTC, Someone wrote:

@Paul 12 generations, not 20

On 2016-11-16 at 12:13:03 UTC, Someone wrote:

!(https://upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Expl0372_-_Flickr_-_NOAA_Photo_Library.jpg/320px-Expl0372_-_Flickr_-_NOAA_Photo_Library.jpg)

On 2016-11-12 at 20:14:52 UTC, paulrw63@live.com wrote:

The previous comments are gibberish. I am frustrated by data given entirely in golly. A graph of the pattern would be appreciated. As it is, I have Pufferfish in my books. It deposits 2 blocks each 20 gen.,and moves like a classic spaceship in regard to the front.

On 2016-07-01 at 16:09:26 UTC, Someone wrote:

2nd attempt:

x = 12, y = 15, rule = B3/S23
7b2o$2bo5bo$b2o3bo$2obo6bo$bobobo5bo$2b2o2bo3bo$7b3o2$7b3o$2b2o2bo3bo$
bobobo5bo$2obo6bo$b2o3bo$2bo5bo$7b2o!

On 2016-07-01 at 16:08:38 UTC, Someone wrote:

Previous comment, properly embedded:

x = 12, y = 15, rule = B3/S23 7b2o$2bo5bo$b2o3bo$2obo6bo$bobobo5bo$2b2o2bo3bo$7b3o2$7b3o$2b2o2bo3bo$ bobobo5bo$2obo6bo$b2o3bo$2bo5bo$7b2o!

On 2015-12-25 at 16:46:24 UTC, Someone wrote:

x = 12, y = 15, rule = B3/S23 7b2o$2bo5bo$b2o3bo$2obo6bo$bobobo5bo$2b2o2bo3bo$7b3o2$7b3o$2b2o2bo3bo$ bobobo5bo$2obo6bo$b2o3bo$2bo5bo$7b2o!