1-8
: 2s set, cross RH, cast round 1st corners, pass LSh to face 2nd corners
9-16
: 2s dance Pass+Turn with 2nd corners, pass RSh to face 3rd corners, 1s
  Pass+Turn with 3rd corners finish back-to-back in middle (2nd place)
  2M facing up/2L facing down
17-24
: Set as in Double Triangles (2), 2s set again, swivelling to face opp.
  sides **while** corners dance 1 place clk'wise (2 bars). Repeat to
  finish 2M facing down/2L facing up in middle
25-32
: 2s cast round 4th crnr pos. (to right) into 2nd place own
  sides **while** crnrs set & cross RH. 2s+1s dance up, cast to 3rd/2nd
  places 3 1 2