1-8
: 1L casts followed by 1M, dances across to 2nd place opp side (2s step up
  3-4); 1M casts followed by 1L, dances across to 3rd place own side (3s
  step up 7-8)
9-16
: 1s dance up to top, cast, meet, dance down & cast up round 3s to face
  1st corners (3s step down 15-16)
17-24
: 1s turn 1st corner LH, dance LSh round 2nd corner into lines across (1M
  between 2s facing down, 1L between 3s facing up); all turn opposite
  dancer RH (1s 3/4 RH turn to 2nd place own side)
25-32
: 2s+1s+3s circle 6H round & back