From Parallel Lines with the Ends in Tandem, or from other applicable formations.
Centers Hinge and the Very Centers Hinge as the Ends 1/2 Circulate; those as a Couple step forward to become Leaders in Parallel Two-Faced Lines as the others have the Centers U-Turn Back (by turning away from each other) and do your part of a Couples Hinge.
Ends in Parallel Two-Faced Lines.
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