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

1–
: 1c+2c & 3c+4c S&Link ; 1c facing 2c & 3c facing 4c set | change places LH on sides and form a square set, still facing the same way
9–
: Interlocking Rsh Reels4 round the set, the last Rsh pass becoming a turn BH ½ into
17–
: All circle8 L | set in the circle ; dropping hands continue circle L {1} and then all cast L and chase to original places (1,2,3x,4x), 1M+4M stay facing out
25–
: 1M+4M followed by P cast L round adjacent M and across to 3plx / 2pl resp., (2W+3W step or dance to end on [25–26], 2M+3M step to end on [27–28] ; 2c+4c & 1c+3c RHA (2,4,1x,3x)