Join LHs high and RHs low to corners (same sex) to make Double Helix.
English balance and set twice : B2B partner (R shoulders)
Double Helix - English balance and set twice : B2B partner (L shoulders).
Tops join both hands in front and double cast and weave down set to bottom, between 2nds and 3rds, then between 3rds and 4ths etc. Other couples tag on behind as they are passed.
Tops make an arch at the bottom and rest pass through through, double casting back into lines. This gives progression. (order now 2, 3, 4, 5, 1) Swing if time.
New tops single cast, followed by their lines, each collecting new partners in order.
New sets find floor space : Swing to use up music.