{{explanation}}
4s & 5s & 6s start on opp sides

1-8
: All set & cross RH, all set & 1/2 RH turn partner to end in middle in
  Allemande hold. Top 3 facing up, bottom 3 facing down
9-16
: 1s+2s+3s also 4s+5s+6s dance Allemande.  3 2 1(6)(5)(4)
17-24
: 1s & 6s cross RH & cast 1 place away from the centre, cross LH & cast to
  ends.  1 3 2(5)(4)(6)
25-28
: 1s+3s also 4s+6s dance 1/2 R&L & end 1s facing 2s & 6s facing 5s
  (3)(1)2(5)6 4
29-32
: 3s & 4s cross RH as 1s & 2s also 5s & 6s change place RH on sides, 3s
  & 2s also 1s & 6s also 5s & 4s change LH on sides.  2 3 6(1)(4)(5)