{{explanation}}
On 2nd chord 3c+4c cross (to 1,2,3x,4x)

1–
: 1c+4c set and cast (2c+3c up/dn) ; 1c+4c RHA, at end swivel R to face “corners”
9–
: All SetH&G , finish facing opposite cnrs (2,4,1x,3x)
17–
: All turn corner (W with RH, M with LH) to sidelines ; pairs 1M+4W & 4M+1W in promhold ½ Rsh Reels3 across with end couple on their L
25–
: Same pairs in promhold ½ Lsh Reel3 on sidelines ; 1c+4c RHA (3,1,4x,2x)

{{explanation}}
The first two turns are in Strathspey time, the second two are in Reel time.