1-8
: 1s dance down, cast up round 3s, meet & dance up to the top & cast to
  face 1st corners (2s step up bars 7-8)
9-12
: 1s dance 4 bars 'Hello-Goodbye' setting (set to 1st corners, set to
  partner) to finish BtoB in 2nd place centre facing opposite sides.
13-16
: 1s dance 1/2 reels of 3 on sides, giving RSh to 1st corners. 1s pass LSh
  to face 2nd corners
17-20
: 1s dance 4 bars 'Hello-Goodbye' setting (set to 2nd corners, set to
  partner) to finish BtoB in the middle, 1M facing up, 1L facing down
21-24
: 1s dance 1/2 reels of 3 across giving RSh to 2nd corner position. (3)
  (1) (2)
25-32
: All chase 1/2 way clockwise, all turn partner RH.  2 1 3