Duple Improper Contra

A1 Balance ring; Men cross by R
   Balance ring; Women cross by R

A2 Balance ring; Petronella turn into...
   Partner Swing

B1 Broken Hey (Men pass L, R on side, Women Al'd L to Neighbor)
   Neighbor Swing

B2 Balance ring; Men rollaway partner from L to R (across set)
   Circle L x 1/2; California Twirl to next neighbors

This dance has a lot of parts, but they flow together pretty well.