{{explanation}}
2s & 5s are dancing couples (representing "25")

1-8
: 2s dance 1/2 Fig of 8 round 1s **while** 5s cross RH & cast up 1
  place, 2s & 5s turn LH to face 2nd corners (4s step down 3-4)
9-16
: 2s & 5s dance reels of 4 with 2nd corners, pass RSh to face 1st corners
17-24
: 2s & 5s dance reels of 4 with 1st corners, pass RSh to face 4th corners
25-32
: 2s & 5s dance Pass+Turn with 4th Corners, 2s & 5s twirl to face 3rd
  corners & dance Pass+Turn with 3rd corners
33-34
: 2s & 5s turn ptnrs RH to end in middle facing up on opp sides
35-40
: 2s followed by 5s lead up crossing at top & cast 2s to 3rd place & 5s
  cast to 1st place & all set.  5 1 2 3 4