Cyclone
Improper contra
A1
- Circle left
 - swing on the sides
 
A2
 
- Long lines forward and back
 - half ladies chain
 
B1
 
- circle left once and a quarter, roll away with partner
 
B2
 
- dip and dive: ones arch over twos, turn and 2s arch back over ones; repeat
 
I am dubious about the attribution
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