Man

Back Replace

Raise right hand as lead to invite lady under

1-2-3

triple forward

drop left hand

4-5-6

triple back

Lady turns (rev.) 1/2 turn,
man changes hands behind back and turn 1/2 turn (rev).

Back Replace

pick up free R hands under joined L hands.
Raise left hand to invite the lady under.

1-2-3

triple forward

Man raise both arms for lady to pass under (on your right side).

4-5-6

triple back

Like above, Lady turns,  Man Changes hand behind back.
(Drop the LH for the pass from RH)

Back Replace

Facing each other with single hand hold.
(changed places twice)