1-8
: 1s+2s Adv+Ret 1 step, 1s cast 1 pl as 2s dance up, 1s turn LH to face
  2nd corners & turn corners RH into prom hold (corners on 1s right)
9-12
: 1s+2nd corners dance 1/2 reel of 4 with 3rd corners (RSh to 3rd
  crnr) **while** 3rd crnrs dance in & turn LH in centre to dance out to
  2nd crnrs (opp sides)
13-16
: 1s turn LH to face 2nd corner (pstns) & turn RH into prom hold **while**
  original 2nd corner persons dance out to other corner on own sides
17-24
: 1s repeat with bars 9-16 with 'new' corners but 1s end turning LH to 2nd
  place own sides
25-32
: 1s dance Diag R&L

{{explanation}}
Note - 3rd time through bars 1- 4 with original 1s in 3rd place all 4 couples Adv+Ret, then new 1s & original 1st couples both cast 1 place  
The Bindweed (Optional) - 2nd time through read right for left & 1st corner for 2nd corner & vice versa