{{explanation}}
On 2nd chord, 4c+5c+6c cross to opposite sides. The dance is centro-symmetrical ; we will use “centre” and “ends” rather than “top” and “bottom”, “off” means towards the centre.

1–
: 1c+6c cross RH, cast “off” one (2c+5c to ends) ; ½Fig8 round the nearest centre couple (to 2,1,3,4x,6x,5x)
9–
: Two Reels3{6} on each sideline, 1c+6c starting in and towards end, and 3c+4c casting into the reel | all three pairs on each sideline make a full turn (easy hand at the ends, BH in the middle)
17–
: 1c+6c ½ Fig8 round nearest end couple **while{4}** 3c+4c circle4 L ; all C turn RH ½  to face up/down in pairs, all set (2x,1,3x,4,6x,5)
25–
: Double 3c Allemande: the first step to the right separates the two threes, the leading couples do not pass each other, the others fall in behind (to 5,4,1,6x,3x,2x)

{{explanation}}
The progression returns dancers to places after 3 times through