{{explanation}}
3c+4c cross on 2nd chord(1,2,3x,4x). This dance has top/bottom symmetry

1–
: All C set | 1c+2c & 3c+4c RHA | 1c & 4c cast in to 2pl/3pl **while**{2} 2c+3c lead out to end places
9–
: 1c+4c cross RH, cast to ends, meet in promhold and dance in between end couples, curve round the other couple Rsh to finish 1c / 4c on M/W side facing out and right
17–
: 1c & 4c (in promhold) Rsh Reels3 with the “corners” on M/W sides, at end meet in the centre
25–
: 4c+1c RHA, at end M swivels right so couples face ends of set (1c down, 4c up, W on P's left, RHJ) ; 4c&1c cross between end couples and cast in to (2,4,1x,3x)