They are all 2-fold (but 4-cyclic). They have all 3 cells, except the first p32 has 4 cells:

p32

`x = 16, y = 5, rule = B2ce3aejk4aqrtw5-acr6cen78/S12an3cjqy4-ey5akqry6ekn7e8`

2o7b2o$obo6bobo2$13bobo$14b2o!

`x = 18, y = 5, rule = B2cei3aj4aintwy5ikqy6-ai7e/S012i3-ajn4-eirwy5-ejkq6-a7c`

o10bo$obo8bobo2$15bobo$17bo!

`x = 18, y = 5, rule = B2e3aikr4kny5cejkn6-kn7c8/S012-n3-acjk4ciwy5aceir6ck7c8`

o10bo$obo8bobo2$15bobo$17bo!

p36

`x = 16, y = 5, rule = B2cek3aery4aejqrwy5ceqy6cen7c8/S012ikn3-air4centy5-jkry6-kn7c8`

2bo8bo$obo6bobo2$13bobo$13bo!

`x = 16, y = 5, rule = B2cek3aj4aiknty5-enqr6ek7c/S012ik3cny4akrtwy5cejky6-an78`

o8bo$obo6bobo2$13bobo$15bo!

p40

`x = 16, y = 5, rule = B2e3-cjnr4ak5-cinq67/S12ack3cjr4cjknz5acnqy6-i7e`

o8bo$b2o7b2o2$13b2o$15bo!

`x = 18, y = 6, rule = B2cen3acq4-aejnz5-nqy6-c78/S012ik3jnq4-jkntz5-cinq6aek7`

2bo9bo$obo7bobo3$15bobo$15bo!

p44

`x = 16, y = 5, rule = B2cek3ajkq4aeiqt5-jkr6ce7e/S012ikn3k4aeijrz5cinry6-ai78`

o8bo$obo6bobo2$13bobo$15bo!

`x = 16, y = 8, rule = B2ci3-iqry4-ajwz5-jnry6-ac78/S12-ck3ejkry4-kqrwz5ejknq6en7e8`

2o8b2o2$o9bo3$15bo2$14b2o!

p48

`x = 16, y = 5, rule = B2ce3aejqy4ijrt5aknr6-ei7e/S12-ek3jkq4ceinqwz5ejkry6-i8`

2bo8bo$2o7b2o2$14b2o$13bo!

`x = 18, y = 8, rule = B2cei3aeky4ceiknrw5ejk6-cn7e8/S012-ac3-aeik4-cewy5-aejy6-an7e`

2bo9bo$obo7bobo5$15bobo$15bo!

p52

`x = 20, y = 5, rule = B2cek3-ein4ikqrtwy5-enr6ack78/S012aci3nqy4ejknqwy5-ciqr6-ck7e8`

2bo10bo$obo8bobo2$17bobo$17bo!

p56

`x = 20, y = 5, rule = B2ce3jkqy4-cnrwz5aeny6-in78/S1e2-c3-ajn4iqry5aekqy6-ci`

3bo10bo$obo8bobo2$17bobo$16bo!

p60

`x = 20, y = 9, rule = B2k3acijn4aqty5cejnq6-ck7e/S01e2-a3acikr4ei5-aekr67c`

3bo10bo$o10bo$2bo10bo4$17bo$19bo$16bo!

p64

`x = 20, y = 9, rule = B2ci3aejqr4aeinqty5jkq6e8/S01e2-en3cjknr4-akwz5jkqr6-ac7`

o10bo$obo8bobo6$17bobo$19bo!

Edit1:

A 2-fold 3 cell p38 oscillator, not sure if it counts as a RRO:

`x = 16, y = 5, rule = B2ce3cej4nrty5ajkry6ae7c/S012ikn3-ik4acey5-aeny6ek7`

o8bo$obo6bobo2$13bobo$15bo!

`x = 18, y = 7, rule = B2cek3eijkq4eikqry5-cejk6e7c/S12cek3aik4eijy5ajr6cei8`

bo10bo$o10bo$b2o9b2o2$15b2o$17bo$16bo!

`x = 18, y = 5, rule = B2cek3ejkq4aenqrwy5aknry6ack7/S012k3-einq4cekry5knq6ei7e8`

o10bo$obo8bobo2$15bobo$17bo!

Edit2:

A 3 cell p32 naturally:

`x = 18, y = 5, rule = B2c3air4aijr5j6k/S01e2ack3jkr4aky5aijy`

o10bo$obo8bobo2$15bobo$17bo!

https://catagolue.appspot.com/object/xp ... r4aky5aijy

https://catagolue.appspot.com/object/xp ... r4aky5aijy