From Back-to-Back Lines.

The n dancers on the right-hand side of each Line do a 'Shakedown' movement (1/4 Right, Counter Rotate 1/4, and Roll) and adjust to end in Concentric Facing Lines of n as the others 1/4 Right and Step Ahead to join hands creating a compact symmetric formation.

这是下列各图的起始队形:           Take 0 之后   Take 1 之后   Take 2 之后   Take 3 之后   Take 4 之后

From Back-to-Back Lines of 3.

• Only those doing the 'Shakedown' movement can Roll.
• From Back-to-Back Lines, Take 4 is the same as Concentric Shakedown.