{{explanation}}
Longwise set

1-8
: 1s+2s dance RH across & 1s cast 1 place as 2s lead up
9-16
: 1s+3s dance RH across & 1s cast 1 place as 3s lead up
17-24
: 1s lead up to top, cast to 2nd place, lead down & cast round 3s to 2nd
  place own sides
25-32
: 1s pass RSh, dance out on opposite sides, cast round 1st corner, turn
  RH, dance out ends & cast round 4th corner to 2nd places