1-8
: 1s followed by 2s (dance up to start) cast below 3s, dance up to top,
  cast to 2nd place & pass LSh to BtoB facing opp sides (2s end in 1st
  place)
9-16
: Inverting Double Triangles:

: **9-12** 2s+1s+3s set (as in Double Triangles) 1s PdB out & turn right
  about to face in **while** 2s & 3s PdB in & turn right about to face
  out

: **13-16** 2s+1s+3s set (Inverted Double Triangle formation), 1s PdB
  in **while** 2s & 3s PdB out all turning R
17-24
: 1s dance out between corners, cast (Man down, Lady up) round 1st corner,
  pass RSh to dance LH across (2M+1M+3M also 2L+1L+3L)
25-32
: 1s dance out of ends (1M at top, 1L at bottom), cast (Man down, Lady up)
  round 2nd corners. All turn RH (1s turn 1.1/2 to end 2nd place own
  side)