1-8
: 1s cross below 2s to opposite sides, set to 3s on sides, set to partner,
  set to 2s
9-16
: 2s+1s dance 1/2 double Fig of 8, 1s+3s dance 1/2 double Fig of 8
17-24
: 2s+1s+3s petronella into centre & set, 2L followed by 1L+3L dance up to
  top & dn own side as 3M followed by 1M+2M dance dn & up own side
25-32
: 3s+1s+2s dance the Knot