{{explanation}}
1c with 2c on their L, facing 3c with 4c on their R, each M has W on the R

1–
: 1c+4c RHA ; LHA
9–
: 2c+3c RHA ; LHA
17–
: All set twice to P ; turn P BH
25–
: All C BHJ slip across (M pass BtoB) ; and back (W pass BtoB)
33–
: 2c+4c & 1c+3c circle4 to L ; LHA
41–
: All A{2}&R{1}, (All 3 claps) ; 2c+1c progress under arches made by 4c+3c to meet next 2 couples

{{explanation}}
Reaching the end of the room, couples face about, M on left of W