1-8
: 1s+2s also 3s+4s dance Diamond Poussette
9-16
: 1L+2M also 3L+4M pass RSh turn to face each other & turn about to dance
  into others place, 1M+2L also 3M+4L repeat
17-24
: 1s & 3s dance 1/2 Fig 8 round couple above them, 2s & 4s dance 1/2 Fig 8
  round couple below
25-32
: 1s+4s+3s (bottom 3 cpls) dance the Knot