1-8
: All set, 1s+2s also 3s+4s circle 4H left, 1s+2s also 3s+4s set facing on
  sides
9-16
: All dance RSh 'interchanging' reels of 4 on sides (when passing LSh in
  centre of reel the inner 2 dancers cross passing LSh & turn to right
  to continue the reels on opposite sides) to end 4 3 2 1 on opposite
  sides
17-24
: 4s+3s also 2s+1s set facing on sides, turn 2H, all dance 1/2 Grand Chain
  to 1 2 3 4
25-32
: 1s lead down to 4th place & all turn RH