{{explanation}}
Square set  -  All face partner for bow/curtsey & remain facing

1-8
: Men pass prtnrs LSh, chase round outside of set back to place
9-16
: Ladies repeat bars 1-8 passing prtnrs RSh
17-24
: Men dance RH across, LH across back to place
25-32
: Ladies repeat bars 17-24
33-40
: 1s lead across between 3s, cast away from each other round outside of
  set, back to place. All couples face partners ready for repeat

{{explanation}}
Bars 33-40 2nd time 2s lead thro' 4s, 3rd time 3s lead thro' 1s, 4th time 4s lead thro' 2s