{{explanation}}
Two chords, on 2nd chord 1c change places and face 2c

1–
: 1W+2M & 1M+2W set and change places Rsh ; 2c+1c set to P and cross Rsh to face other C
9–
: Repeat 1–8
17–
: 1c+2c circle4 L twice, ending for
25–
: 1c+2c Poussette (1c begin and end on the opposite side)

{{explanation}}
1c cross to own side and the new first couple cross to opposite side on [31–32] of their “idle” time (recommended by TACnotes and in the Strathspey List FAQ).  This dance is frequently done round-the-room, in which case DI = 100%