Petronella
Traditional
Proper longways

[No swings at all]

A1: ONES turn single three-quarters clockwise while they move 
    so the lady is above the twos facing down and her partner below them, 
    facing up; all join hands and balance

    ALL turn and move one place right round the ring; 
    all join hands and balance again 

A2: all turn and balance; all turn and balance 

B1: Ones lead down the centre
        [as the twos do a final turn to get out of the way]

    ones turn alone, lead back and cast round their twos 

B2: Right and left through, over and back.