From a Galaxy.

Reverse Cut The Galaxy:

Centers Trade & Spread as the Outsides Galaxy Circulate.

Reverse Flip The Galaxy:

Centers Phantom Run (flip away from each other) as the Outsides Galaxy Circulate.

Ends in Parallel Lines.

before Reverse Cut The Galaxy   after Centers Trade & Spread as Outsides Galaxy Circulate (done)

before Reverse Flip The Galaxy   after Centers Flip Away as Outsides Galaxy Circulate (done)

Reverse Cut The Diamond [C2]: From a Diamond. Centers Trade & Spread as Points Diamond Circulate. Ends in a Line.

Reverse Flip The Diamond [C2]: From a Diamond. Centers Phantom Run (Flip away from each other) as Points Diamond Circulate. Ends in a Line.

Reverse Cut The formation [C4]: From the given formation. Those with handholds Trade and Spread as others formation Circulate. Formation can be "O", Butterfly, (Wave-Based) Triangle, 3 By 1 Triangle, Short Six, Tall Six, "Z", etc...

Reverse Flip The formation [C4]: From the given formation. Those with handholds Phantom Run as others formation Circulate. Formation can be "O", Butterfly, (Wave-Based) Triangle, 3 By 1 Triangle, Short Six, Tall Six, "Z", etc...

See also Cut | Flip The Galaxy [C1].