1–
: 1c+2c A&R ; all cross NHJ, the M making the arch | keeping hands joined change places on the sides, 2c passing outside as 1c twirls under the joined hands (2x,1x)
9–
: 2c+1c A&R ; all cross NHJ, the W making the arch | change places on the sides as before, 2c again passing outside (1,2)
17–
: 1c lead down the middle and up
25–
: 1c+2c Poussette (2,1)

{{explanation}}
Option: on [8] and [16] the turns under joined hands may be omitted.