1-6
: 1s cross passing RSh, cast (2s step up), pass RSh, turn Right about &
  face own sides
7-8
: 1s cast to Right, to finish 1M between 2s facing down, 1L between 3s
  facing up **while** 1st corners (2M+3L) cross passing RSh
9-12
: 1s pass RSh, turn Right about to face ends & cast to Right to 2nd place
  own sides **while** 2nd corners (2L+3M) cross passing RSh
13-16
: 1s pass RSh, turn Right about to face opp sides, cast to Right to finish
  1L at top, 1M at bottom **while** 1st corner places (3L+2M) cross RSh
17-20
: 1s pass RSh, turn Right about to face ends & cast to Right to 2nd place
  opp sides **while** 2nd corner places (3M+2L) cross RSh
21-28
: 1s dance Diag R&L
29-32
: All set, pass partners RSh to own sides 3 1 2

{{explanation}}
Repeat from new positions 5 more times