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

1–
: 1c+4c cross RH | cast to middle (2c+3c step to end) ; ½ R&L, W face out (2,4x,1,3x)
9–
: 2c+4c & 1c+3c M-Chain
17–
: Reels4 on the sides, 4c+1c finish in the centre facing their corner
25–
: 4c+1c turn cnr RH | ½ LHA ; Turn new cnr RH | 1M+4W & 1W+4M turn LH ½ (to 2,4,1x,3x)