1-8
: 1s cross down & dance out between 2s+3s turning 3s by near hand, cross
  up & dance out between 2s+3s turning 2s with nearer hand into double
  triangle positions facing own sides
9-16
: All set & 1s turn 3rd corners RH to double triangle position facing opp
  sides, all set & turn 1st corners RH to end between 2s/3s in lines
  across
17-24
: 1s dance reels of 3 across (LSh to 4th corner) 1s pass LSh ending in 2nd
  place own sides, 1M facing up, 1L facing down
25-32
: 1s dance reels of 3 on sides (RSh to 3rd corner to start) then 1s cross
  to 2nd place opp side, dance 1M to 3rd place, 1L to 1st place opp
  sides & cross to 2nd place own side (2s+3s dance normal reels of 3)

{{explanation}}
Second repeat 1s end crossing to 4th place