R3,C2,S6-9,20-24,B6-8,20,NB

An extremely active but not explosive rule.

The most common oscilator is a P2 phoenix. There is also a odd-looking P16.

There are also a number of photons and 2 c/2d spaceships.

Catagolue census

Known Periods
2
4
6
8
16

Known Speeds
c/1o
c/2d