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

1–
: 1c+4c set | cast in (2c+3c step out) (2,1,4x,3x) ; 1c+4c RHA, at end pivot R to face cnr (2,1,4x,3x)
9–
: Half Schiehallion Reel (centre and cnr pass Rsh | in the centre move to next cnr to the R, passing Lsh, repeat.  Finish in diagonally opposite position (3,4,1x,2x)
17–
: 4c+1c LHA ; 3c+4c & 1c+2c ½ RHA to sidelines (4x,3x,2,1) | All turn P RH ½ , finishing 4c+1c in allemande hold facing out the end and 3c+2c in Poussette hold
25–
: Interlocking Allepousse: 3c & 2c Poussette “singly” (W starts backwards) to own end of the set **while**{8} 4c+1c Allemande “singly” (phrase as a 3c allemande, 1c starts down), passing each other before dancing in | on [31–32] cross LH to other side (to 3,1,4x,2x)