#R2,B4,16,21,S8,10-19,G0-1-1,NM

This is a reverse generations variant of the rule Pigs. It has a failed replicator as well as a 32c/96o linear replicator. In addition, there are many high period oscillators.

Known Speeds
c/4o
c/8o

Known Periods
4
22
And many more...