1–16
: 1c+4c cross RH **while** 2c+3c ½RHA | middle and end Cs change place LH on sides ; repeat 3 times, finish (1,2,3,4) 1c facing 2c 
17–
: 1c set to 2c | cross down to face 3c (2c dance up) ; 1c+3c repeat
25–
: 1c+4c repeat ; All A&R, 1c changing sides RH on [30] (2,3,4,1)

{{explanation}}
Note: on [30] the original says “RH”, but “BH” is widely used.