{{explanation}}
2s & 4s start on opposite sides

1-8
: 2s & 4s dance down (2 bars), turn 2H & face up; lead up (2 bars) & 1/2
  turn 2H dancing out to sides as 1s & 3s turn to face down.  1 2 3 4
9-16
: Mirror reels of 4 on sides (Men's side RSh, Ladies' side LSh). All end
  in middle, NHJ with partner, 1s facing 2s, 3s facing 4s
17-24
: 1s+2s also 3s+s dance Rondel.  2 1 4 3
25-28
: Bottom 3 couples (1s+4s+3s) set, 1s & 3s dance path of "link", dancing
  RSh round standing 4s (1L & 3M cast) to end in middle 2nd/4th
  place, 3s facing down, 1s facing up.  2 3 4 1
29-32
: 3s & 1s Set+Link with partner to end 2 (3) 4 (1)